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diff --git a/doc/_static/custom.css b/doc/_static/custom.css new file mode 100644 index 0000000..60aa759 --- /dev/null +++ b/doc/_static/custom.css @@ -0,0 +1,95 @@ +div.document { + margin: 0; +} + +div.body { + margin-top: 2em; +} + +div.sphinxsidebarwrapper { + background: #EEE; +} + +div.sphinxsidebarwrapper p.blurb { + text-align: center; +} + +div.sphinxsidebarwrapper span.logo { + display: block; + text-align: center; + font-family: Georgia, serif; + padding: 0; + font-size: 180%; +} + +div.sphinxsidebar a { + border-width: 0; +} + +div.sphinxsidebar li { + color: #444; +} + +div.section { + margin-top: 2.5em; +} + +a.reference { + border-bottom: none; +} + +code.xref { + font-weight: normal; + background-color: #F8F8F8; + padding: 0.1em 0 0.1em 0; +} + +div.section > dl.c > dt:first-child, +div.section > dl.cpp > dt:first-child { + background-color: #F8F8F8; + font-family: 'Consolas', 'Menlo', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', monospace; + font-size: 0.9em; + font-weight: normal; + margin-bottom: 0.5em; + padding: 0.1em 0 0.1em 0; +} + +tt.descname, tt.descclassname, code.descname, code.descclassname { + font-size: 0.9em; +} + +dl.member { + margin-top: 0.5em; +} + +dl.enumerator { + margin-top: 0.5em; +} + +dl.field-list > dt { + padding-left: 0; +} + +pre, tt, code { + background-color: #F8F8F8; +} + +.toctree-l1 { + margin-top: 1.0em; +} + +img.logo { + width: 6em; +} + +.class { + padding-top: 1.5em; +} + +.exception { + padding-top: 1.5em; +} + +.class > dd > dl.function { + padding-top: 1.0em; +} diff --git a/doc/_templates/about.html b/doc/_templates/about.html new file mode 100644 index 0000000..5bbadbe --- /dev/null +++ b/doc/_templates/about.html @@ -0,0 +1,57 @@ +{% if theme_logo %} +<p class="logo"> + <a href="{{ pathto(master_doc) }}"> + <img class="logo" src="{{ pathto('_static/' ~ theme_logo, 1) }}" alt="Logo"/> + {% if theme_logo_name|lower == 'true' %} + <span class="logo logo-name">{{ project }}</span> + {% endif %} + </a> +</p> +{% else %} +<h1 class="logo"><a href="{{ pathto(master_doc) }}">{{ project }}</a></h1> +{% endif %} + +{% if theme_description %} +<p class="blurb">{{ theme_description }}</p> +{% endif %} + +{% if theme_github_user and theme_github_repo %} +{% if theme_github_button|lower == 'true' %} +<p> +<iframe src="https://ghbtns.com/github-btn.html?user={{ theme_github_user }}&repo={{ theme_github_repo }}&type={{ theme_github_type }}&count={{ theme_github_count }}&size=large&v=2" + allowtransparency="true" frameborder="0" scrolling="0" width="200px" height="35px"></iframe> +</p> +{% endif %} +{% endif %} + +{% if theme_travis_button|lower != 'false' %} +{% if theme_travis_button|lower == 'true' %} + {% set path = theme_github_user + '/' + theme_github_repo %} +{% else %} + {% set path = theme_travis_button %} +{% endif %} +<p> +<a class="badge" href="https://travis-ci.org/{{ path }}"> + <img + alt="https://secure.travis-ci.org/{{ path }}.svg?branch={{ theme_badge_branch }}" + src="https://secure.travis-ci.org/{{ path }}.svg?branch={{ theme_badge_branch }}" + /> +</a> +</p> +{% endif %} + +{% if theme_codecov_button|lower != 'false' %} +{% if theme_codecov_button|lower == 'true' %} + {% set path = theme_github_user + '/' + theme_github_repo %} +{% else %} + {% set path = theme_codecov_button %} +{% endif %} +<p> +<a class="badge" href="https://codecov.io/github/{{ path }}"> + <img + alt="https://codecov.io/github/{{ path }}/coverage.svg?branch={{ theme_badge_branch }}" + src="https://codecov.io/github/{{ path }}/coverage.svg?branch={{ theme_badge_branch }}" + /> +</a> +</p> +{% endif %} diff --git a/doc/c/Doxyfile b/doc/c/Doxyfile new file mode 100644 index 0000000..fe56f0b --- /dev/null +++ b/doc/c/Doxyfile @@ -0,0 +1,30 @@ +PROJECT_NAME = Pugl +PROJECT_BRIEF = "A minimal portable API for embeddable GUIs" + +QUIET = YES +WARN_AS_ERROR = NO +WARN_IF_UNDOCUMENTED = NO +WARN_NO_PARAMDOC = NO + +JAVADOC_AUTOBRIEF = YES + +CASE_SENSE_NAMES = YES +HIDE_IN_BODY_DOCS = YES +REFERENCES_LINK_SOURCE = NO + +GENERATE_HTML = NO +GENERATE_LATEX = NO +GENERATE_XML = YES +XML_PROGRAMLISTING = NO +SHOW_FILES = NO + +MACRO_EXPANSION = YES +PREDEFINED = PUGL_API PUGL_DISABLE_DEPRECATED PUGL_CONST_FUNC= + +INPUT = ../../include/pugl/cairo.h \ + ../../include/pugl/gl.h \ + ../../include/pugl/pugl.h \ + ../../include/pugl/stub.h \ + ../../include/pugl/vulkan.h + +OUTPUT_DIRECTORY = . diff --git a/doc/c/index.rst b/doc/c/index.rst new file mode 100644 index 0000000..6f046de --- /dev/null +++ b/doc/c/index.rst @@ -0,0 +1,6 @@ +.. toctree:: + + pugl + deployment + overview + reference diff --git a/doc/c/overview.rst b/doc/c/overview.rst new file mode 100644 index 0000000..3ebe21e --- /dev/null +++ b/doc/c/overview.rst @@ -0,0 +1,579 @@ +.. default-domain:: c +.. highlight:: c + +The core API (excluding backend-specific components) is declared in ``pugl.h``: + +.. code-block:: c + + #include <pugl/pugl.h> + +The API revolves around two main objects: the `world` and the `view`. +An application creates a world to manage top-level state, +then creates one or more views to display. + +**************** +Creating a World +**************** + +The world is the top-level object which represents an instance of Pugl. +It handles the connection to the window system, +and manages views and the event loop. + +An application typically has a single world, +which is constructed once on startup and used to drive the main event loop. + +Construction +============ + +A world must be created before any views, and it must outlive all of its views. +A world is created with :func:`puglNewWorld`, for example: + +.. code-block:: c + + PuglWorld* world = puglNewWorld(PUGL_PROGRAM, 0); + +For a plugin, specify :enumerator:`PUGL_MODULE <PuglWorldType.PUGL_MODULE>` instead. +In some cases, it is necessary to pass additional flags. +For example, Vulkan requires thread support: + +.. code-block:: c + + PuglWorld* world = puglNewWorld(PUGL_MODULE, PUGL_WORLD_THREADS) + +It is a good idea to set a class name for your project with :func:`puglSetClassName`. +This allows the window system to distinguish different applications and, +for example, users to set up rules to manage their windows nicely: + +.. code-block:: c + + puglSetClassName(world, "MyAwesomeProject") + +Setting Application Data +======================== + +Pugl will call an event handler in the application with only a view pointer and an event, +so there needs to be some way to access the data you use in your application. +This is done by setting an opaque handle on the world with :func:`puglSetWorldHandle`, +for example: + +.. code-block:: c + + puglSetWorldHandle(world, myApp); + +The handle can be later retrieved with :func:`puglGetWorldHandle`: + +.. code-block:: c + + MyApp* app = (MyApp*)puglGetWorldHandle(world); + +All non-constant data should be accessed via this handle, +to avoid problems associated with static mutable data. + +*************** +Creating a View +*************** + +A view is a drawable region that receives events. +You may think of it as a window, +though it may be embedded and not represent a top-level system window. [#f1]_ + +Creating a visible view is a multi-step process. +When a new view is created with :func:`puglNewView`, +it does not yet represent a "real" system view: + +.. code-block:: c + + PuglView* view = puglNewView(world); + +Configuring the Frame +===================== + +Before display, +the necessary :doc:`frame <api/frame>` and :doc:`window <api/window>` attributes should be set. +These allow the window system (or plugin host) to arrange the view properly. +For example: + +.. code-block:: c + + const double defaultWidth = 1920.0; + const double defaultHeight = 1080.0; + + puglSetWindowTitle(view, "My Window"); + puglSetDefaultSize(view, defaultWidth, defaultHeight); + puglSetMinSize(view, defaultWidth / 4.0, defaultHeight / 4.0); + puglSetAspectRatio(view, 1, 1, 16, 9); + +There are also several :enum:`hints <PuglViewHint>` for basic attributes that can be set: + +.. code-block:: c + + puglSetViewHint(view, PUGL_RESIZABLE, PUGL_TRUE); + puglSetViewHint(view, PUGL_IGNORE_KEY_REPEAT, PUGL_TRUE); + +Embedding +========= + +To embed the view in another window, +you will need to somehow get the :type:`native view handle <PuglNativeView>` for the parent, +then set it with :func:`puglSetParentWindow`. +If the parent is a Pugl view, +the native handle can be accessed with :func:`puglGetNativeWindow`. +For example: + +.. code-block:: c + + puglSetParentWindow(view, puglGetNativeWindow(parent)); + +Setting an Event Handler +======================== + +In order to actually do anything, a view must process events from the system. +Pugl dispatches all events to a single :type:`event handling function <PuglEventFunc>`, +which is set with :func:`puglSetEventFunc`: + +.. code-block:: c + + puglSetEventFunc(view, onEvent); + +See `Handling Events`_ below for details on writing the event handler itself. + +Setting View Data +================= + +Since the event handler is called with only a view pointer and an event, +there needs to be some way to access application data associated with the view. +Similar to `Setting Application Data`_ above, +this is done by setting an opaque handle on the view with :func:`puglSetHandle`, +for example: + +.. code-block:: c + + puglSetHandle(view, myViewData); + +The handle can be later retrieved, +likely in the event handler, +with :func:`puglGetHandle`: + +.. code-block:: c + + MyViewData* data = (MyViewData*)puglGetHandle(view); + +All non-constant data should be accessed via this handle, +to avoid problems associated with static mutable data. + +If data is also associated with the world, +it can be retrieved via the view using :func:`puglGetWorld`: + +.. code-block:: c + + PuglWorld* world = puglGetWorld(view); + MyApp* app = (MyApp*)puglGetWorldHandle(world); + +Setting a Backend +================= + +Before being realized, the view must have a backend set with :func:`puglSetBackend`. + +The backend manages the graphics API that will be used for drawing. +Pugl includes backends and supporting API for +:doc:`Cairo <api/cairo>`, :doc:`OpenGL <api/gl>`, and :doc:`Vulkan <api/vulkan>`. + +Using Cairo +----------- + +Cairo-specific API is declared in the ``cairo.h`` header: + +.. code-block:: c + + #include <pugl/cairo.h> + +The Cairo backend is provided by :func:`puglCairoBackend()`: + +.. code-block:: c + + puglSetBackend(view, puglCairoBackend()); + +No additional configuration is required for Cairo. +To draw when handling an expose event, +the `Cairo context <https://www.cairographics.org/manual/cairo-cairo-t.html>`_ can be accessed with :func:`puglGetContext`: + +.. code-block:: c + + cairo_t* cr = (cairo_t*)puglGetContext(view); + +Using OpenGL +------------ + +OpenGL-specific API is declared in the ``gl.h`` header: + +.. code-block:: c + + #include <pugl/gl.h> + +The OpenGL backend is provided by :func:`puglGlBackend()`: + +.. code-block:: c + + puglSetBackend(view, puglGlBackend()); + +Some hints must also be set so that the context can be set up correctly. +For example, to use OpenGL 3.3 Core Profile: + +.. code-block:: c + + puglSetViewHint(view, PUGL_USE_COMPAT_PROFILE, PUGL_FALSE); + puglSetViewHint(view, PUGL_CONTEXT_VERSION_MAJOR, 3); + puglSetViewHint(view, PUGL_CONTEXT_VERSION_MINOR, 3); + +If you need to perform some setup using the OpenGL API, +there are two ways to do so. + +The OpenGL context is active when +:enumerator:`PUGL_CREATE <PuglEventType.PUGL_CREATE>` and +:enumerator:`PUGL_DESTROY <PuglEventType.PUGL_DESTROY>` +events are dispatched, +so things like creating and destroying shaders and textures can be done then. + +Alternatively, if it is cumbersome to set up and tear down OpenGL in the event handler, +:func:`puglEnterContext` and :func:`puglLeaveContext` can be used to manually activate the OpenGL context during application setup. +Note, however, that unlike many other APIs, these functions must not be used for drawing. +It is only valid to use the OpenGL API for configuration in a manually entered context, +rendering will not work. +For example: + +.. code-block:: c + + puglEnterContext(view); + setupOpenGL(myApp); + puglLeaveContext(view); + + while (!myApp->quit) { + puglUpdate(world, 0.0); + } + + puglEnterContext(view); + teardownOpenGL(myApp); + puglLeaveContext(view); + +Using Vulkan +------------ + +Vulkan-specific API is declared in the ``vulkan.h`` header. +This header includes Vulkan headers, +so if you are dynamically loading Vulkan at runtime, +you should define ``VK_NO_PROTOTYPES`` before including it. + +.. code-block:: c + + #define VK_NO_PROTOTYPES + + #include <pugl/vulkan.h> + +The Vulkan backend is provided by :func:`puglVulkanBackend()`: + +.. code-block:: c + + puglSetBackend(view, puglVulkanBackend()); + +Unlike OpenGL, almost all Vulkan configuration is done using the Vulkan API directly. +Pugl only provides a portable mechanism to load the Vulkan library and get the functions used to load the rest of the Vulkan API. + +Loading Vulkan +^^^^^^^^^^^^^^ + +For maximum compatibility, +it is best to not link to Vulkan at compile-time, +but instead load the Vulkan API at run-time. +To do so, first create a :struct:`PuglVulkanLoader`: + +.. code-block:: c + + PuglVulkanLoader* loader = puglNewVulkanLoader(world); + +The loader manages the dynamically loaded Vulkan library, +so it must be kept alive for as long as the application is using Vulkan. +You can get the function used to load Vulkan functions with :func:`puglGetInstanceProcAddrFunc`: + +.. code-block:: c + + PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = + puglGetInstanceProcAddrFunc(loader); + +This vkGetInstanceProcAddr_ function can be used to load the rest of the Vulkan API. +For example, you can use it to get the vkCreateInstance_ function, +then use that to create your Vulkan instance. +In practice, you will want to use some loader or wrapper API since there are many Vulkan functions. + +For advanced situations, +there is also :func:`puglGetDeviceProcAddrFunc` which retrieves the vkGetDeviceProcAddr_ function instead. + +The Vulkan loader is provided for convenience, +so that applications to not need to write platform-specific code to load Vulkan. +Its use it not mandatory and Pugl can be used with Vulkan loaded by some other method. + +Linking with Vulkan +^^^^^^^^^^^^^^^^^^^ + +If you do want to link to the Vulkan library at compile time, +note that the Pugl Vulkan backend does not depend on it, +so you will have to do so explicitly. + +Creating a Surface +^^^^^^^^^^^^^^^^^^ + +The details of using Vulkan are far beyond the scope of this documentation, +but Pugl provides a portable function, :func:`puglCreateSurface`, +to get the Vulkan surface for a view. +Assuming you have somehow created your ``VkInstance``, +you can get the surface for a view using :func:`puglCreateSurface`: + +.. code-block:: c + + VkSurfaceKHR* surface = NULL; + puglCreateSurface(puglGetDeviceProcAddrFunc(loader), + view, + vulkanInstance, + NULL, + &surface); + +Showing the View +================ + +Once the view is configured, it can be "realized" with :func:`puglRealize`. +This creates a "real" system view, for example: + +.. code-block:: c + + PuglStatus status = puglRealize(view); + if (status) { + fprintf(stderr, "Error realizing view (%s)\n", puglStrerror(status)); + } + +Note that realizing a view can fail for many reasons, +so the return code should always be checked. +This is generally the case for any function that interacts with the window system. +Most functions also return a :enum:`PuglStatus`, +but these checks are omitted for brevity in the rest of this documentation. + +A realized view is not initially visible, +but can be shown with :func:`puglShow`: + +.. code-block:: c + + puglShow(view); + +To create an initially visible view, +it is also possible to simply call :func:`puglShow` right away. +The view will be automatically realized if necessary. + +*************** +Handling Events +*************** + +Events are sent to a view when it has received user input, +must be drawn, or in other situations that may need to be handled such as resizing. + +Events are sent to the event handler as a :union:`PuglEvent` union. +The ``type`` field defines the type of the event and which field of the union is active. +The application must handle at least :enumerator:`PUGL_CONFIGURE <PuglEventType.PUGL_CONFIGURE>` +and :enumerator:`PUGL_EXPOSE <PuglEventType.PUGL_EXPOSE>` to draw anything, +but there are many other :enum:`event types <PuglEventType>`. + +For example, a basic event handler might look something like this: + +.. code-block:: c + + static PuglStatus + onEvent(PuglView* view, const PuglEvent* event) + { + MyApp* app = (MyApp*)puglGetHandle(view); + + switch (event->type) { + case PUGL_CREATE: + return setupGraphics(app); + case PUGL_DESTROY: + return teardownGraphics(app); + case PUGL_CONFIGURE: + return resize(app, event->configure.width, event->configure.height); + case PUGL_EXPOSE: + return draw(app, view); + case PUGL_CLOSE: + return quit(app); + case PUGL_BUTTON_PRESS: + return onButtonPress(app, view, event->button); + default: + break; + } + + return PUGL_SUCCESS; + } + +Using the Graphics Context +========================== + +Drawing +------- + +Note that Pugl uses a different drawing model than many libraries, +particularly those designed for game-style main loops like `SDL <https://libsdl.org/>`_ and `GLFW <https://www.glfw.org/>`_. + +In that style of code, drawing is performed imperatively in the main loop, +but with Pugl, the application must draw only while handling an expose event. +This is because Pugl supports event-driven applications that only draw the damaged region when necessary, +and handles exposure internally to provide optimized and consistent behavior across platforms. + +Cairo Context +------------- + +A Cairo context is created for each :struct:`PuglEventExpose`, +and only exists during the handling of that event. +Null is returned by :func:`puglGetContext` at any other time. + +OpenGL Context +-------------- + +The OpenGL context is only active during the handling of these events: + +- :struct:`PuglEventCreate` +- :struct:`PuglEventDestroy` +- :struct:`PuglEventConfigure` +- :struct:`PuglEventExpose` + +As always, drawing is only possible during an expose. + +Vulkan Context +-------------- + +With Vulkan, the graphics context is managed by the application rather than Pugl. +However, drawing must still only be performed during an expose. + +********************** +Driving the Event Loop +********************** + +Pugl does not contain any threads or other event loop "magic". +For flexibility, the event loop is driven explicitly by repeatedly calling :func:`puglUpdate`, +which processes events from the window system and dispatches them to views when necessary. + +The exact use of :func:`puglUpdate` depends on the application. +Plugins should call it with a ``timeout`` of 0 in a callback driven by the host. +This avoids blocking the main loop, +since other plugins and the host itself need to run as well. + +A program can use whatever timeout is appropriate: +event-driven applications may wait forever by using a ``timeout`` of -1, +while those that draw continuously may use a significant fraction of the frame period +(with enough time left over to render). + +Redrawing +========= + +Occasional redrawing can be requested by calling :func:`puglPostRedisplay` or :func:`puglPostRedisplayRect`. +After these are called, +a :struct:`PuglEventExpose` will be dispatched on the next call to :func:`puglUpdate`. + +For continuous redrawing, +call :func:`puglPostRedisplay` while handling a :struct:`PuglEventUpdate` event. +This event is sent just before views are redrawn, +so it can be used as a hook to expand the update region right before the view is exposed. +Anything else that needs to be done every frame can be handled similarly. + +Event Dispatching +================= + +Ideally, pending events are dispatched during a call to :func:`puglUpdate`, +directly within the scope of that call. + +Unfortunately, this is not universally true due to differences between platforms. + +MacOS +----- + +On MacOS, drawing is handled specially and not by the normal event queue mechanism. +This means that configure and expose events, +and possibly others, +may be dispatched to a view outside the scope of a :func:`puglUpdate` call. +In general, you can not rely on coherent event dispatching semantics on MacOS: +the operating system can call into application code at "random" times, +and these calls may result in Pugl events being dispatched. + +An application that follows the Pugl guidelines should work fine, +but there is one significant inconsistency you may encounter on MacOS: +posting a redisplay will not wake up a blocked :func:`puglUpdate` call. + +Windows +------- + +On Windows, the application has relatively tight control over the event loop, +so events are typically dispatched explicitly by :func:`puglUpdate`. +Drawing is handled by events, +so posting a redisplay will wake up a blocked :func:`puglUpdate` call. + +However, it is possible for the system to dispatch events at other times. +So, +it is possible for events to be dispatched outside the scope of a :func:`puglUpdate` call, +but this does not happen in normal circumstances and can largely be ignored. + +X11 +--- + +On X11, the application strictly controls event dispatching, +and there is no way for the system to call into application code at surprising times. +So, all events are dispatched in the scope of a :func:`puglUpdate` call. + +Recursive Event Loops +--------------------- + +On Windows and MacOS, +the event loop is stalled while the user is resizing the window or, +on Windows, +has displayed the window menu. +This means that :func:`puglUpdate` will block until the resize is finished, +or the menu is closed. + +Pugl dispatches :struct:`PuglEventLoopEnter` and :struct:`PuglEventLoopLeave` events to notify the application of this situation. +If you want to continuously redraw during resizing on these platforms, +you can schedule a timer with :func:`puglStartTimer` when the recursive loop is entered, +and post redisplays when handling the :struct:`PuglEventTimer`. +Be sure to remove the timer with :func:`puglStopTimer` when the recursive loop is finished. + +On X11, there are no recursive event loops, +and everything works as usual while the user is resizing the window. +There is nothing special about a "live resize" on X11, +and the above loop events will never be dispatched. + +************* +Shutting Down +************* + +When a view is closed, +it will receive a :struct:`PuglEventClose`. +An application may also set a flag based on user input or other conditions, +which can be used to break out of the main loop and stop calling :func:`puglUpdate`. + +When the main event loop has finished running, +any views and the world need to be destroyed, in that order. +For example: + +.. code-block:: c + + puglFreeView(view); + puglFreeWorld(world); + +.. _pkg-config: https://www.freedesktop.org/wiki/Software/pkg-config/ + +.. _vkCreateInstance: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkCreateInstance.html + +.. _vkGetDeviceProcAddr: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetDeviceProcAddr.html + +.. _vkGetInstanceProcAddr: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetInstanceProcAddr.html + +.. rubric:: Footnotes + +.. [#f1] MacOS has a strong distinction between + `views <https://developer.apple.com/documentation/appkit/nsview>`_, + which may be nested, and + `windows <https://developer.apple.com/documentation/appkit/nswindow>`_, + which may not. + On Windows and X11, everything is a nestable window, + but top-level windows are configured differently. diff --git a/doc/c/reference.rst b/doc/c/reference.rst new file mode 100644 index 0000000..21a187f --- /dev/null +++ b/doc/c/reference.rst @@ -0,0 +1,18 @@ +############# +API Reference +############# + +This section contains the generated documentation for all symbols in the public +API. + +.. toctree:: + + api/status + api/world + api/view + api/events + + api/cairo + api/gl + api/stub + api/vulkan diff --git a/doc/c/wscript b/doc/c/wscript new file mode 100644 index 0000000..4e0fbc9 --- /dev/null +++ b/doc/c/wscript @@ -0,0 +1,43 @@ +#!/usr/bin/env python + +def build(bld): + dox_to_sphinx = bld.path.find_node("../../scripts/dox_to_sphinx.py") + index_xml = bld.path.get_bld().make_node("xml/index.xml") + + files = [ + ("../../resources/pugl.svg", "sphinx/_static/pugl.svg"), + ("../_static/custom.css", "sphinx/_static/custom.css"), + ("../_templates/about.html", "sphinx/_templates/about.html"), + ("../deployment.rst", "sphinx/deployment.rst"), + ("../pugl.rst", "sphinx/pugl.rst"), + ("index.rst", "sphinx/index.rst"), + ("overview.rst", "sphinx/overview.rst"), + ("reference.rst", "sphinx/reference.rst"), + ] + + # Run Doxygen to generate XML documentation + bld(features="doxygen", doxyfile="Doxyfile") + + # Substitute variables to make Sphinx configuration file + bld(features="subst", + source="../conf.py.in", + target="sphinx/conf.py", + PUGL_VERSION=bld.env.PUGL_VERSION) + + # Copy static documentation files to Sphinx build directory + for f in files: + bld(features="subst", is_copy=True, source=f[0], target=f[1]) + + # Generate Sphinx markup from Doxygen XML + bld.add_group() + bld(rule="${PYTHON} " + dox_to_sphinx.abspath() + " -f ${SRC} ${TGT}", + source=index_xml, + target="sphinx/api/") + + # Run Sphinx to generate HTML documentation + doc_dir = bld.env.DOCDIR + "/pugl-%s/" % bld.env.PUGL_MAJOR_VERSION + bld(features="sphinx", + sphinx_source=bld.path.get_bld().make_node("sphinx"), + sphinx_output_format="singlehtml", + sphinx_options=["-E", "-q"], + install_path=doc_dir + "c/singlehtml/") diff --git a/doc/conf.py.in b/doc/conf.py.in new file mode 100644 index 0000000..9ca7bfa --- /dev/null +++ b/doc/conf.py.in @@ -0,0 +1,88 @@ +# Project information + +project = "Pugl" +copyright = "2020, David Robillard" +author = "David Robillard" +release = "@PUGL_VERSION@" + +# General configuration + +language = "en" + +extensions = [ + # 'breathe', + # 'sphinx_rtd_theme', + # 'sphinx.ext.autodoc', + # 'sphinx.ext.doctest', + # 'sphinx.ext.napoleon', + # 'sphinx.ext.viewcode', +] + +# Enable nitpicky mode to get warnings about broken links +# Unfortunately this means we need to explicitly ignore everything external +nitpicky = True +_opaque = [ + "PFN_vkGetDeviceProcAddr", + "PFN_vkGetInstanceProcAddr", + "PuglBackendImpl", + "PuglViewImpl", + "PuglVulkanLoaderImpl", + "PuglWorldImpl", + "VkAllocationCallbacks", + "VkInstance", + "VkResult", + "VkSurfaceKHR", + "size_t", + "uint32_t", + "uintptr_t", +] +_c_nitpick_ignore = map(lambda x: ("c:identifier", x), _opaque) +_cpp_nitpick_ignore = map(lambda x: ("cpp:identifier", x), _opaque) +nitpick_ignore = list(_c_nitpick_ignore) + list(_cpp_nitpick_ignore) + +templates_path = ["_templates"] + +pygments_style = "friendly" + +# C++ + +cpp_index_common_prefix = ["pugl::"] + +# HTML output + +exclude_patterns = ["xml"] +html_static_path = ["_static"] + +html_theme = "alabaster" +# html_theme = "sphinx_rtd_theme" + +if html_theme == "alabaster": + + html_theme_options = { + "description": "A minimal portable API for embeddable GUIs.", + "donate_url": "http://drobilla.net/pages/donate.html", + # "github_repo": "pugl", + # "github_user": "lv2", + "logo": "pugl.svg", + "logo_name": True, + "logo_text_align": "center", + "page_width": "80em - 20em", + "sidebar_width": "20em", + } + + html_sidebars = { + "**": [ + "about.html", + "localtoc.html", + "donate.html", + ] + } + +elif html_theme == "sphinx_rtd_theme": + + html_theme_options = { + "sticky_navigation": False, + "collapse_navigation": False, + "navigation_depth": 4, + "display_version": True, + } diff --git a/doc/cpp/Doxyfile b/doc/cpp/Doxyfile new file mode 100644 index 0000000..2bb0f9f --- /dev/null +++ b/doc/cpp/Doxyfile @@ -0,0 +1,40 @@ +PROJECT_NAME = Pugl +PROJECT_BRIEF = "A minimal portable API for embeddable GUIs" + +QUIET = YES +WARN_AS_ERROR = NO +WARN_IF_UNDOCUMENTED = NO +WARN_NO_PARAMDOC = NO + +JAVADOC_AUTOBRIEF = YES + +CASE_SENSE_NAMES = YES +EXCLUDE_SYMBOLS = pugl::detail +EXTRACT_LOCAL_CLASSES = NO +EXTRACT_PRIVATE = NO +HIDE_IN_BODY_DOCS = YES +HIDE_UNDOC_CLASSES = YES +HIDE_UNDOC_MEMBERS = YES +REFERENCES_LINK_SOURCE = NO + +GENERATE_HTML = NO +GENERATE_LATEX = NO +GENERATE_XML = YES +XML_PROGRAMLISTING = NO +SHOW_FILES = NO + +MACRO_EXPANSION = YES +PREDEFINED = PUGL_API PUGL_DISABLE_DEPRECATED PUGL_CONST_FUNC= + +INPUT = ../../include/pugl/cairo.h \ + ../../include/pugl/gl.h \ + ../../include/pugl/pugl.h \ + ../../include/pugl/stub.h \ + ../../include/pugl/vulkan.h \ + ../../bindings/cxx/include/pugl/cairo.hpp \ + ../../bindings/cxx/include/pugl/gl.hpp \ + ../../bindings/cxx/include/pugl/pugl.hpp \ + ../../bindings/cxx/include/pugl/stub.hpp \ + ../../bindings/cxx/include/pugl/vulkan.hpp + +OUTPUT_DIRECTORY = . diff --git a/doc/cpp/c-reference.rst b/doc/cpp/c-reference.rst new file mode 100644 index 0000000..546e4d3 --- /dev/null +++ b/doc/cpp/c-reference.rst @@ -0,0 +1,20 @@ +############### +C API Reference +############### + +This section contains the generated documentation for all symbols in the public +C API. +It is included here because some C++ wrapper definitions refer to the underlying C symbols, +but direct use of the C API should not be necessary in C++ applications. + +.. toctree:: + + api/status + api/world + api/view + api/events + + api/cairo + api/gl + api/stub + api/vulkan diff --git a/doc/cpp/cpp-reference.rst b/doc/cpp/cpp-reference.rst new file mode 100644 index 0000000..96c523c --- /dev/null +++ b/doc/cpp/cpp-reference.rst @@ -0,0 +1,18 @@ +################# +C++ API Reference +################# + +This section contains the generated documentation for all symbols in the public +C++ API. + +.. toctree:: + + api/statusxx + api/worldxx + api/viewxx + api/eventsxx + + api/cairoxx + api/glxx + api/stubxx + api/vulkanxx diff --git a/doc/cpp/index.rst b/doc/cpp/index.rst new file mode 100644 index 0000000..c3d330e --- /dev/null +++ b/doc/cpp/index.rst @@ -0,0 +1,7 @@ +.. toctree:: + + pugl + deployment + overview + cpp-reference + c-reference diff --git a/doc/cpp/overview.rst b/doc/cpp/overview.rst new file mode 100644 index 0000000..5fffe37 --- /dev/null +++ b/doc/cpp/overview.rst @@ -0,0 +1,423 @@ +.. default-domain:: cpp +.. highlight:: cpp +.. namespace:: pugl + +Pugl is a C library, +but the bindings documented here provide a more idiomatic and type-safe API for C++. +If you would rather use C, +refer instead to the `C API documentation <../../c/singlehtml/index.html>`_. + +The C++ bindings are very lightweight and do not require virtual functions, +RTTI, +exceptions, +or linking to the C++ standard library. +They are provided by the package ``puglxx-0`` which must be used in addition to the desired platform+backend package above. + +The core API (excluding backend-specific components) is declared in ``pugl.hpp``: + +.. code-block:: cpp + + #include <pugl/pugl.hpp> + +The API revolves around two main objects: the `world` and the `view`. +An application creates a world to manage top-level state, +then creates one or more views to display. + +Creating a World +================ + +The world is the top-level object which represents an instance of Pugl. +It handles the connection to the window system, +and manages views and the event loop. + +An application typically has a single world, +which is constructed once on startup and used to drive the main event loop. + +Construction +------------ + +A world must be created before any views, and it must outlive all of its views. +The world constructor requires an argument to specify the application type: + +.. code-block:: cpp + + pugl::World world{pugl::WorldType::program}; + +For a plugin, specify :enumerator:`WorldType::module` instead. +In some cases, it is necessary to pass additional flags. +For example, Vulkan requires thread support: + +.. code-block:: cpp + + pugl::World world{pugl::WorldType::program, pugl::WorldFlag::threads}; + +It is a good idea to set a class name for your project with :func:`World::setClassName`. +This allows the window system to distinguish different applications and, +for example, users to set up rules to manage their windows nicely: + +.. code-block:: cpp + + world.setClassName("MyAwesomeProject"); + +Creating a View +=============== + +A `view` is a drawable region that receives events. +You may think of it as a window, +though it may be embedded and not represent a top-level system window. [#f1]_ + +Pugl communicates with views by dispatching events. +For flexibility, the event handler can be a different object than the view. +This allows using :class:`View` along with a separate event handler class. +Alternatively, a view class can inherit from :class:`View` and set itself as its event handler, +for a more object-oriented style. + +This documentation will use the latter approach, +so we will define a class for our view that contains everything needed: + +.. code-block:: cpp + + class MyView : public pugl::View + { + public: + explicit MyView(pugl::World& world) + : pugl::View{world} + { + setEventHandler(*this); + } + + pugl::Status onEvent(const pugl::ConfigureEvent& event) noexcept; + pugl::Status onEvent(const pugl::ExposeEvent& event) noexcept; + + // With other handlers here as needed... + + // Fallback handler for all other events + template<PuglEventType t, class Base> + pugl::Status onEvent(const pugl::Event<t, Base>&) noexcept + { + return pugl::Status::success; + } + + private: + // Some data... + }; + +Pugl will call an ``onEvent`` method of the event handler (the view in this case) for every event. + +Note that Pugl uses a static dispatching mechanism rather than virtual functions to minimize overhead. +It is therefore necessary for the final class to define a handler for every event type. +A terse way to do this without writing every implementation is to define a fallback handler as a template, +as in the example above. +Alternatively, you can define an explicit handler for each event that simply returns :enumerator:`Status::success`. +This way, it will be a compile error if any event is not explicitly handled. + +Configuring the Frame +--------------------- + +Before display, +the necessary :doc:`frame <api/frame>` and :doc:`window <api/window>` attributes should be set. +These allow the window system (or plugin host) to arrange the view properly. + +Derived classes can configure themselves during construction, +but we assume here that configuration is being done outside the view. +For example: + +.. code-block:: cpp + + const double defaultWidth = 1920.0; + const double defaultHeight = 1080.0; + + view.setWindowTitle("My Window"); + view.setDefaultSize(defaultWidth, defaultHeight); + view.setMinSize(defaultWidth / 4.0, defaultHeight / 4.0); + view.setAspectRatio(1, 1, 16, 9); + +There are also several :type:`hints <PuglViewHint>` for basic attributes that can be set: + +.. code-block:: cpp + + view.setHint(pugl::ViewHint::resizable, true); + view.setHint(pugl::ViewHint::ignoreKeyRepeat, true); + +Embedding +--------- + +To embed the view in another window, +you will need to somehow get the :type:`native view handle <pugl::NativeView>` for the parent, +then set it with :func:`View::setParentWindow`. +If the parent is a Pugl view, +the native handle can be accessed with :func:`View::nativeWindow`. +For example: + +.. code-block:: cpp + + view.setParentWindow(view, parent.getNativeWindow()); + +Setting a Backend +----------------- + +Before being realized, the view must have a backend set with :func:`View::setBackend`. + +The backend manages the graphics API that will be used for drawing. +Pugl includes backends and supporting API for +:doc:`Cairo <api/cairo>`, :doc:`OpenGL <api/gl>`, and :doc:`Vulkan <api/vulkan>`. + +Using Cairo +^^^^^^^^^^^ + +Cairo-specific API is declared in the ``cairo.hpp`` header: + +.. code-block:: cpp + + #include <pugl/cairo.hpp> + +The Cairo backend is provided by :func:`cairoBackend()`: + +.. code-block:: cpp + + view.setBackend(pugl::cairoBackend()); + +No additional configuration is required for Cairo. +To draw when handling an expose event, +the `Cairo context <https://www.cairographics.org/manual/cairo-cairo-t.html>`_ can be accessed with :func:`View::context`: + +.. code-block:: cpp + + cairo_t* cr = static_cast<cairo_t*>(view.context()); + +Using OpenGL +^^^^^^^^^^^^ + +OpenGL-specific API is declared in the ``gl.hpp`` header: + +.. code-block:: cpp + + #include <pugl/gl.hpp> + +The OpenGL backend is provided by :func:`glBackend()`: + +.. code-block:: cpp + + view.setBackend(pugl::glBackend()); + +Some hints must also be set so that the context can be set up correctly. +For example, to use OpenGL 3.3 Core Profile: + +.. code-block:: cpp + + view.setHint(pugl::ViewHint::useCompatProfile, false); + view.setHint(pugl::ViewHint::contextVersionMajor, 3); + view.setHint(pugl::ViewHint::contextVersionMinor, 3); + +If you need to perform some setup using the OpenGL API, +there are two ways to do so. + +The OpenGL context is active when +:type:`CreateEvent` and +:type:`DestroyEvent` +events are dispatched, +so things like creating and destroying shaders and textures can be done then. + +Alternatively, if it is cumbersome to set up and tear down OpenGL in the event handler, +:func:`enterContext` and :func:`leaveContext` can be used to manually activate the OpenGL context during application setup. +Note, however, that unlike many other APIs, these functions must not be used for drawing. +It is only valid to use the OpenGL API for configuration in a manually entered context, +rendering will not work. +For example: + +.. code-block:: cpp + + pugl::enterContext(view); + myApp.setupOpenGL(); + pugl::leaveContext(view); + + while (!myApp.quit()) { + world.update(0.0); + } + + pugl::enterContext(view); + myApp.teardownOpenGL(); + pugl::leaveContext(view); + +Using Vulkan +^^^^^^^^^^^^ + +Vulkan-specific API is declared in the ``vulkan.hpp`` header. +This header includes Vulkan headers, +so if you are dynamically loading Vulkan at runtime, +you should define ``VK_NO_PROTOTYPES`` before including it. + +.. code-block:: cpp + + #define VK_NO_PROTOTYPES + + #include <pugl/vulkan.hpp> + +The Vulkan backend is provided by :func:`vulkanBackend()`: + +.. code-block:: cpp + + view.setBackend(pugl::vulkanBackend()); + +Unlike OpenGL, almost all Vulkan configuration is done using the Vulkan API directly. +Pugl only provides a portable mechanism to load the Vulkan library and get the functions used to load the rest of the Vulkan API. + +Loading Vulkan +^^^^^^^^^^^^^^ + +For maximum compatibility, +it is best to not link to Vulkan at compile-time, +but instead load the Vulkan API at run-time. +To do so, first create a :class:`VulkanLoader`: + +.. code-block:: cpp + + pugl::VulkanLoader loader{world}; + +The loader manages the dynamically loaded Vulkan library, +so it must be kept alive for as long as the application is using Vulkan. +You can get the function used to load Vulkan functions with :func:`VulkanLoader::getInstanceProcAddrFunc`: + +.. code-block:: cpp + + auto vkGetInstanceProcAddr = loader.getInstanceProcAddrFunc(); + +It is best to use this function to load everything at run time, +rather than link to the Vulkan library at run time. +You can, for example, pass this to get the ``vkCreateInstance`` function using this, +then use that to create your Vulkan instance. +In practice, you will want to use some loader or wrapper API since there are many Vulkan functions. + +It is not necessary to use :class:`VulkanLoader`, +you can, for example, use the ``DynamicLoader`` from ``vulkan.hpp`` in the Vulkan SDK instead. + +The details of using Vulkan are far beyond the scope of this documentation, +but Pugl provides a portable function, :func:`createSurface`, +to get the Vulkan surface for a view. +Assuming you have somehow created your ``VkInstance``, +you can get the surface for a view using :func:`createSurface`: + +.. code-block:: cpp + + VkSurfaceKHR* surface = nullptr; + puglCreateSurface(loader.getDeviceProcAddrFunc(), + view, + vulkanInstance, + nullptr, + &surface); + +Pugl does not provide API that uses ``vulkan.hpp`` to avoid the onerous dependency, +but if you are using it with exceptions and unique handles, +it is straightforward to wrap the surface handle yourself. + +Showing the View +---------------- + +Once the view is configured, it can be "realized" with :func:`View::realize`. +This creates a "real" system view, for example: + +.. code-block:: cpp + + pugl::Status status = view.realize(); + if (status != pugl::Status::success) { + std::cerr << "Error realizing view: " << pugl::strerror(status) << "\n"; + } + +Note that realizing a view can fail for many reasons, +so the return code should always be checked. +This is generally the case for any function that interacts with the window system. +Most functions also return a :enum:`Status`, +but these checks are omitted for brevity in the rest of this documentation. + +A realized view is not initially visible, +but can be shown with :func:`View::show`: + +.. code-block:: cpp + + view.show(); + +To create an initially visible view, +it is also possible to simply call :func:`View::show()` right away. +The view will be automatically realized if necessary. + +Handling Events +=============== + +Events are sent to a view when it has received user input, +must be drawn, or in other situations that may need to be handled such as resizing. + +Events are sent to the ``onEvent`` method that takes the matching event type. +The application must handle at least :type:`ConfigureEvent` +and :type:`ExposeEvent` to draw anything, +but there are many other :type:`event types <pugl::EventType>`. + +For example, basic event handling for our above class might look something like: + +.. code-block:: cpp + + pugl::Status + MyView::onEvent(const pugl::ConfigureEvent& event) noexcept + { + return resize(event.width, event.height); + } + + pugl::Status + MyView::onEvent(const pugl::ExposeEvent& event) noexcept + { + return drawMyAwesomeInterface(event.x, event.y, event.width, event.height); + } + +Drawing +------- + +Note that Pugl uses a different drawing model than many libraries, +particularly those designed for game-style main loops like `SDL <https://libsdl.org/>`_ and `GLFW <https://www.glfw.org/>`_. + +In that style of code, drawing is performed imperatively in the main loop, +but with Pugl, the application must draw only while handling an expose event. +This is because Pugl supports event-driven applications that only draw the damaged region when necessary, +and handles exposure internally to provide optimized and consistent behavior across platforms. + +Driving the Event Loop +====================== + +Pugl does not contain any threads or other event loop "magic". +For flexibility, the event loop is driven manually by repeatedly calling :func:`World::update`, +which processes events from the window system and dispatches them to views when necessary. + +The exact use of :func:`World::update` depends on the application. +Plugins typically call it with a ``timeout`` of 0 in a callback driven by the host. +This avoids blocking the main loop, +since other plugins and the host itself need to run as well. + +A program can use whatever timeout is appropriate: +event-driven applications may wait forever by using a ``timeout`` of -1, +while those that draw continuously may use a significant fraction of the frame period +(with enough time left over to render). + +Redrawing +--------- + +Occasional redrawing can be requested by calling :func:`View::postRedisplay` or :func:`View::postRedisplayRect`. +After these are called, +a :type:`ExposeEvent` will be dispatched on the next call to :func:`World::update`. +Note, however, that this will not wake up a blocked :func:`World::update` call on MacOS +(which does not handle drawing via events). + +For continuous redrawing, +call :func:`View::postRedisplay` while handling a :type:`UpdateEvent`. +This event is sent just before views are redrawn, +so it can be used as a hook to expand the update region right before the view is exposed. +Anything else that needs to be done every frame can be handled similarly. + +.. _pkg-config: https://www.freedesktop.org/wiki/Software/pkg-config/ + +.. rubric:: Footnotes + +.. [#f1] MacOS has a strong distinction between + `views <https://developer.apple.com/documentation/appkit/nsview>`_, + which may be nested, and + `windows <https://developer.apple.com/documentation/appkit/nswindow>`_, + which may not. + On Windows and X11, everything is a nestable window, + but top-level windows are configured differently. diff --git a/doc/cpp/wscript b/doc/cpp/wscript new file mode 100644 index 0000000..a7aefc1 --- /dev/null +++ b/doc/cpp/wscript @@ -0,0 +1,44 @@ +#!/usr/bin/env python + +def build(bld): + dox_to_sphinx = bld.path.find_node("../../scripts/dox_to_sphinx.py") + index_xml = bld.path.get_bld().make_node("xml/index.xml") + + files = [ + ("../../resources/pugl.svg", "sphinx/_static/pugl.svg"), + ("../_static/custom.css", "sphinx/_static/custom.css"), + ("../_templates/about.html", "sphinx/_templates/about.html"), + ("../deployment.rst", "sphinx/deployment.rst"), + ("../pugl.rst", "sphinx/pugl.rst"), + ("c-reference.rst", "sphinx/c-reference.rst"), + ("cpp-reference.rst", "sphinx/cpp-reference.rst"), + ("index.rst", "sphinx/index.rst"), + ("overview.rst", "sphinx/overview.rst"), + ] + + # Run Doxygen to generate XML documentation + bld(features="doxygen", doxyfile="Doxyfile") + + # Substitute variables to make Sphinx configuration file + bld(features="subst", + source="../conf.py.in", + target="sphinx/conf.py", + PUGL_VERSION=bld.env.PUGL_VERSION) + + # Copy static documentation files to Sphinx build directory + for f in files: + bld(features="subst", is_copy=True, source=f[0], target=f[1]) + + # Generate Sphinx markup from Doxygen XML + bld.add_group() + bld(rule="${PYTHON} " + dox_to_sphinx.abspath() + " -l cpp -f ${SRC} ${TGT}", + source=index_xml, + target="sphinx/api/") + + # Run Sphinx to generate HTML documentation + doc_dir = bld.env.DOCDIR + "/pugl-%s/" % bld.env.PUGL_MAJOR_VERSION + bld(features="sphinx", + sphinx_source=bld.path.get_bld().make_node("sphinx"), + sphinx_output_format="singlehtml", + sphinx_options=["-E", "-q"], + install_path=doc_dir + "cpp/singlehtml/") diff --git a/doc/deployment.rst b/doc/deployment.rst new file mode 100644 index 0000000..ffbeae9 --- /dev/null +++ b/doc/deployment.rst @@ -0,0 +1,23 @@ +########## +Using Pugl +########## + +Pugl is designed for flexible deployment, +so the exact method of building against it depends on your approach. + +When targeting systems with pkg-config_, +packages are provided that link against the core platform library and the desired backend, +along with any backend dependencies: + +- ``pugl-cairo-0`` +- ``pugl-gl-0`` +- ``pugl-vulkan-0`` + +Depending on one of these packages should be all that is necessary to use Pugl, +but details on the individual libraries that are installed are available in the README. + +If you are instead including the source directly in your project, +the structure is quite simple and hopefully obvious. +It is only necessary to copy the platform and backend implementations that you need. + +.. _pkg-config: https://www.freedesktop.org/wiki/Software/pkg-config/ diff --git a/doc/footer.html b/doc/footer.html deleted file mode 100644 index 0dc6919..0000000 --- a/doc/footer.html +++ /dev/null @@ -1,20 +0,0 @@ -<!-- HTML footer for doxygen 1.8.15--> -<!-- start footer part --> -<!--BEGIN GENERATE_TREEVIEW--> -<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> - 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Setting this option to YES will make -# doxygen to replace the get and set methods by a property in the documentation. -# This will only work if the methods are indeed getting or setting a simple -# type. If this is not the case, or you want to show the methods anyway, you -# should set this option to NO. -# The default value is: YES. - -IDL_PROPERTY_SUPPORT = YES - -# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC -# tag is set to YES then doxygen will reuse the documentation of the first -# member in the group (if any) for the other members of the group. By default -# all members of a group must be documented explicitly. -# The default value is: NO. - -DISTRIBUTE_GROUP_DOC = NO - -# If one adds a struct or class to a group and this option is enabled, then also -# any nested class or struct is added to the same group. By default this option -# is disabled and one has to add nested compounds explicitly via \ingroup. -# The default value is: NO. - -GROUP_NESTED_COMPOUNDS = NO - -# Set the SUBGROUPING tag to YES to allow class member groups of the same type -# (for instance a group of public functions) to be put as a subgroup of that -# type (e.g. under the Public Functions section). Set it to NO to prevent -# subgrouping. Alternatively, this can be done per class using the -# \nosubgrouping command. -# The default value is: YES. - -SUBGROUPING = YES - -# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions -# are shown inside the group in which they are included (e.g. using \ingroup) -# instead of on a separate page (for HTML and Man pages) or section (for LaTeX -# and RTF). -# -# Note that this feature does not work in combination with -# SEPARATE_MEMBER_PAGES. -# The default value is: NO. - -INLINE_GROUPED_CLASSES = YES - -# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and unions -# with only public data fields or simple typedef fields will be shown inline in -# the documentation of the scope in which they are defined (i.e. file, -# namespace, or group documentation), provided this scope is documented. If set -# to NO, structs, classes, and unions are shown on a separate page (for HTML and -# Man pages) or section (for LaTeX and RTF). -# The default value is: NO. - -INLINE_SIMPLE_STRUCTS = YES - -# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or -# enum is documented as struct, union, or enum with the name of the typedef. So -# typedef struct TypeS {} TypeT, will appear in the documentation as a struct -# with name TypeT. When disabled the typedef will appear as a member of a file, -# namespace, or class. And the struct will be named TypeS. This can typically be -# useful for C code in case the coding convention dictates that all compound -# types are typedef'ed and only the typedef is referenced, never the tag name. -# The default value is: NO. - -TYPEDEF_HIDES_STRUCT = YES - -# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This -# cache is used to resolve symbols given their name and scope. Since this can be -# an expensive process and often the same symbol appears multiple times in the -# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small -# doxygen will become slower. If the cache is too large, memory is wasted. The -# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range -# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536 -# symbols. At the end of a run doxygen will report the cache usage and suggest -# the optimal cache size from a speed point of view. -# Minimum value: 0, maximum value: 9, default value: 0. - -LOOKUP_CACHE_SIZE = 0 - -#--------------------------------------------------------------------------- -# Build related configuration options -#--------------------------------------------------------------------------- - -# If the EXTRACT_ALL tag is set to YES, doxygen will assume all entities in -# documentation are documented, even if no documentation was available. Private -# class members and static file members will be hidden unless the -# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES. -# Note: This will also disable the warnings about undocumented members that are -# normally produced when WARNINGS is set to YES. -# The default value is: NO. - -EXTRACT_ALL = NO - -# If the EXTRACT_PRIVATE tag is set to YES, all private members of a class will -# be included in the documentation. -# The default value is: NO. - -EXTRACT_PRIVATE = NO - -# If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal -# scope will be included in the documentation. -# The default value is: NO. - -EXTRACT_PACKAGE = NO - -# If the EXTRACT_STATIC tag is set to YES, all static members of a file will be -# included in the documentation. -# The default value is: NO. - -EXTRACT_STATIC = YES - -# If the EXTRACT_LOCAL_CLASSES tag is set to YES, classes (and structs) defined -# locally in source files will be included in the documentation. If set to NO, -# only classes defined in header files are included. Does not have any effect -# for Java sources. -# The default value is: YES. - -EXTRACT_LOCAL_CLASSES = NO - -# This flag is only useful for Objective-C code. If set to YES, local methods, -# which are defined in the implementation section but not in the interface are -# included in the documentation. If set to NO, only methods in the interface are -# included. -# The default value is: NO. - -EXTRACT_LOCAL_METHODS = NO - -# If this flag is set to YES, the members of anonymous namespaces will be -# extracted and appear in the documentation as a namespace called -# 'anonymous_namespace{file}', where file will be replaced with the base name of -# the file that contains the anonymous namespace. By default anonymous namespace -# are hidden. -# The default value is: NO. - -EXTRACT_ANON_NSPACES = NO - -# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all -# undocumented members inside documented classes or files. If set to NO these -# members will be included in the various overviews, but no documentation -# section is generated. This option has no effect if EXTRACT_ALL is enabled. -# The default value is: NO. - -HIDE_UNDOC_MEMBERS = NO - -# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all -# undocumented classes that are normally visible in the class hierarchy. If set -# to NO, these classes will be included in the various overviews. This option -# has no effect if EXTRACT_ALL is enabled. -# The default value is: NO. - -HIDE_UNDOC_CLASSES = NO - -# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend -# (class|struct|union) declarations. If set to NO, these declarations will be -# included in the documentation. -# The default value is: NO. - -HIDE_FRIEND_COMPOUNDS = NO - -# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any -# documentation blocks found inside the body of a function. If set to NO, these -# blocks will be appended to the function's detailed documentation block. -# The default value is: NO. - -HIDE_IN_BODY_DOCS = YES - -# The INTERNAL_DOCS tag determines if documentation that is typed after a -# \internal command is included. If the tag is set to NO then the documentation -# will be excluded. Set it to YES to include the internal documentation. -# The default value is: NO. - -INTERNAL_DOCS = NO - -# If the CASE_SENSE_NAMES tag is set to NO then doxygen will only generate file -# names in lower-case letters. If set to YES, upper-case letters are also -# allowed. This is useful if you have classes or files whose names only differ -# in case and if your file system supports case sensitive file names. Windows -# and Mac users are advised to set this option to NO. -# The default value is: system dependent. - -CASE_SENSE_NAMES = YES - -# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with -# their full class and namespace scopes in the documentation. If set to YES, the -# scope will be hidden. -# The default value is: NO. - -HIDE_SCOPE_NAMES = YES - -# If the HIDE_COMPOUND_REFERENCE tag is set to NO (default) then doxygen will -# append additional text to a page's title, such as Class Reference. If set to -# YES the compound reference will be hidden. -# The default value is: NO. - -HIDE_COMPOUND_REFERENCE= NO - -# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of -# the files that are included by a file in the documentation of that file. -# The default value is: YES. - -SHOW_INCLUDE_FILES = YES - -# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each -# grouped member an include statement to the documentation, telling the reader -# which file to include in order to use the member. -# The default value is: NO. - -SHOW_GROUPED_MEMB_INC = NO - -# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include -# files with double quotes in the documentation rather than with sharp brackets. -# The default value is: NO. - -FORCE_LOCAL_INCLUDES = NO - -# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the -# documentation for inline members. -# The default value is: YES. - -INLINE_INFO = YES - -# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the -# (detailed) documentation of file and class members alphabetically by member -# name. If set to NO, the members will appear in declaration order. -# The default value is: YES. - -SORT_MEMBER_DOCS = NO - -# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief -# descriptions of file, namespace and class members alphabetically by member -# name. If set to NO, the members will appear in declaration order. Note that -# this will also influence the order of the classes in the class list. -# The default value is: NO. - -SORT_BRIEF_DOCS = NO - -# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the -# (brief and detailed) documentation of class members so that constructors and -# destructors are listed first. If set to NO the constructors will appear in the -# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS. -# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief -# member documentation. -# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting -# detailed member documentation. -# The default value is: NO. - -SORT_MEMBERS_CTORS_1ST = NO - -# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy -# of group names into alphabetical order. If set to NO the group names will -# appear in their defined order. -# The default value is: NO. - -SORT_GROUP_NAMES = NO - -# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by -# fully-qualified names, including namespaces. If set to NO, the class list will -# be sorted only by class name, not including the namespace part. -# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. -# Note: This option applies only to the class list, not to the alphabetical -# list. -# The default value is: NO. - -SORT_BY_SCOPE_NAME = YES - -# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper -# type resolution of all parameters of a function it will reject a match between -# the prototype and the implementation of a member function even if there is -# only one candidate or it is obvious which candidate to choose by doing a -# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still -# accept a match between prototype and implementation in such cases. -# The default value is: NO. - -STRICT_PROTO_MATCHING = NO - -# The GENERATE_TODOLIST tag can be used to enable (YES) or disable (NO) the todo -# list. This list is created by putting \todo commands in the documentation. -# The default value is: YES. - -GENERATE_TODOLIST = NO - -# The GENERATE_TESTLIST tag can be used to enable (YES) or disable (NO) the test -# list. This list is created by putting \test commands in the documentation. -# The default value is: YES. - -GENERATE_TESTLIST = NO - -# The GENERATE_BUGLIST tag can be used to enable (YES) or disable (NO) the bug -# list. This list is created by putting \bug commands in the documentation. -# The default value is: YES. - -GENERATE_BUGLIST = NO - -# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or disable (NO) -# the deprecated list. This list is created by putting \deprecated commands in -# the documentation. -# The default value is: YES. - -GENERATE_DEPRECATEDLIST= YES - -# The ENABLED_SECTIONS tag can be used to enable conditional documentation -# sections, marked by \if <section_label> ... \endif and \cond <section_label> -# ... \endcond blocks. - -ENABLED_SECTIONS = - -# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the -# initial value of a variable or macro / define can have for it to appear in the -# documentation. If the initializer consists of more lines than specified here -# it will be hidden. Use a value of 0 to hide initializers completely. The -# appearance of the value of individual variables and macros / defines can be -# controlled using \showinitializer or \hideinitializer command in the -# documentation regardless of this setting. -# Minimum value: 0, maximum value: 10000, default value: 30. - -MAX_INITIALIZER_LINES = 30 - -# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at -# the bottom of the documentation of classes and structs. If set to YES, the -# list will mention the files that were used to generate the documentation. -# The default value is: YES. - -SHOW_USED_FILES = YES - -# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This -# will remove the Files entry from the Quick Index and from the Folder Tree View -# (if specified). -# The default value is: YES. - -SHOW_FILES = YES - -# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces -# page. This will remove the Namespaces entry from the Quick Index and from the -# Folder Tree View (if specified). -# The default value is: YES. - -SHOW_NAMESPACES = NO - -# The FILE_VERSION_FILTER tag can be used to specify a program or script that -# doxygen should invoke to get the current version for each file (typically from -# the version control system). Doxygen will invoke the program by executing (via -# popen()) the command command input-file, where command is the value of the -# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided -# by doxygen. Whatever the program writes to standard output is used as the file -# version. For an example see the documentation. - -FILE_VERSION_FILTER = - -# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed -# by doxygen. The layout file controls the global structure of the generated -# output files in an output format independent way. To create the layout file -# that represents doxygen's defaults, run doxygen with the -l option. You can -# optionally specify a file name after the option, if omitted DoxygenLayout.xml -# will be used as the name of the layout file. -# -# Note that if you run doxygen from a directory containing a file called -# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE -# tag is left empty. - -LAYOUT_FILE = @PUGL_SRCDIR@/doc/layout.xml - -# The CITE_BIB_FILES tag can be used to specify one or more bib files containing -# the reference definitions. This must be a list of .bib files. The .bib -# extension is automatically appended if omitted. This requires the bibtex tool -# to be installed. See also https://en.wikipedia.org/wiki/BibTeX for more info. -# For LaTeX the style of the bibliography can be controlled using -# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the -# search path. See also \cite for info how to create references. - -CITE_BIB_FILES = - -#--------------------------------------------------------------------------- -# Configuration options related to warning and progress messages -#--------------------------------------------------------------------------- - -# The QUIET tag can be used to turn on/off the messages that are generated to -# standard output by doxygen. If QUIET is set to YES this implies that the -# messages are off. -# The default value is: NO. - -QUIET = YES - -# The WARNINGS tag can be used to turn on/off the warning messages that are -# generated to standard error (stderr) by doxygen. If WARNINGS is set to YES -# this implies that the warnings are on. -# -# Tip: Turn warnings on while writing the documentation. -# The default value is: YES. - -WARNINGS = YES - -# If the WARN_IF_UNDOCUMENTED tag is set to YES then doxygen will generate -# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag -# will automatically be disabled. -# The default value is: YES. - -WARN_IF_UNDOCUMENTED = NO - -# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for -# potential errors in the documentation, such as not documenting some parameters -# in a documented function, or documenting parameters that don't exist or using -# markup commands wrongly. -# The default value is: YES. - -WARN_IF_DOC_ERROR = YES - -# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that -# are documented, but have no documentation for their parameters or return -# value. If set to NO, doxygen will only warn about wrong or incomplete -# parameter documentation, but not about the absence of documentation. If -# EXTRACT_ALL is set to YES then this flag will automatically be disabled. -# The default value is: NO. - -WARN_NO_PARAMDOC = NO - -# If the WARN_AS_ERROR tag is set to YES then doxygen will immediately stop when -# a warning is encountered. -# The default value is: NO. - -WARN_AS_ERROR = NO - -# The WARN_FORMAT tag determines the format of the warning messages that doxygen -# can produce. The string should contain the $file, $line, and $text tags, which -# will be replaced by the file and line number from which the warning originated -# and the warning text. Optionally the format may contain $version, which will -# be replaced by the version of the file (if it could be obtained via -# FILE_VERSION_FILTER) -# The default value is: $file:$line: $text. - -WARN_FORMAT = "$file:$line: $text" - -# The WARN_LOGFILE tag can be used to specify a file to which warning and error -# messages should be written. If left blank the output is written to standard -# error (stderr). - -WARN_LOGFILE = - -#--------------------------------------------------------------------------- -# Configuration options related to the input files -#--------------------------------------------------------------------------- - -# The INPUT tag is used to specify the files and/or directories that contain -# documented source files. You may enter file names like myfile.cpp or -# directories like /usr/src/myproject. Separate the files or directories with -# spaces. See also FILE_PATTERNS and EXTENSION_MAPPING -# Note: If this tag is empty the current directory is searched. - -INPUT = @PUGL_SRCDIR@/include/pugl/ \ - @PUGL_SRCDIR@/bindings/cxx/include/pugl/ \ - @PUGL_SRCDIR@/doc/mainpage.md - -# This tag can be used to specify the character encoding of the source files -# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses -# libiconv (or the iconv built into libc) for the transcoding. See the libiconv -# documentation (see: https://www.gnu.org/software/libiconv/) for the list of -# possible encodings. -# The default value is: UTF-8. - -INPUT_ENCODING = UTF-8 - -# If the value of the INPUT tag contains directories, you can use the -# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and -# *.h) to filter out the source-files in the directories. -# -# Note that for custom extensions or not directly supported extensions you also -# need to set EXTENSION_MAPPING for the extension otherwise the files are not -# read by doxygen. -# -# If left blank the following patterns are tested:*.c, *.cc, *.cxx, *.cpp, -# *.c++, *.java, *.ii, *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h, -# *.hh, *.hxx, *.hpp, *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc, -# *.m, *.markdown, *.md, *.mm, *.dox, *.py, *.pyw, *.f90, *.f95, *.f03, *.f08, -# *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf, *.qsf and *.ice. - -FILE_PATTERNS = *.h *.hpp - -# The RECURSIVE tag can be used to specify whether or not subdirectories should -# be searched for input files as well. -# The default value is: NO. - -RECURSIVE = NO - -# The EXCLUDE tag can be used to specify files and/or directories that should be -# excluded from the INPUT source files. This way you can easily exclude a -# subdirectory from a directory tree whose root is specified with the INPUT tag. -# -# Note that relative paths are relative to the directory from which doxygen is -# run. - -EXCLUDE = - -# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or -# directories that are symbolic links (a Unix file system feature) are excluded -# from the input. -# The default value is: NO. - -EXCLUDE_SYMLINKS = NO - -# If the value of the INPUT tag contains directories, you can use the -# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude -# certain files from those directories. -# -# Note that the wildcards are matched against the file with absolute path, so to -# exclude all test directories for example use the pattern */test/* - -EXCLUDE_PATTERNS = - -# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names -# (namespaces, classes, functions, etc.) that should be excluded from the -# output. The symbol name can be a fully qualified name, a word, or if the -# wildcard * is used, a substring. Examples: ANamespace, AClass, -# AClass::ANamespace, ANamespace::*Test -# -# Note that the wildcards are matched against the file with absolute path, so to -# exclude all test directories use the pattern */test/* - -EXCLUDE_SYMBOLS = - -# The EXAMPLE_PATH tag can be used to specify one or more files or directories -# that contain example code fragments that are included (see the \include -# command). - -EXAMPLE_PATH = - -# If the value of the EXAMPLE_PATH tag contains directories, you can use the -# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and -# *.h) to filter out the source-files in the directories. If left blank all -# files are included. - -EXAMPLE_PATTERNS = *.c - -# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be -# searched for input files to be used with the \include or \dontinclude commands -# irrespective of the value of the RECURSIVE tag. -# The default value is: NO. - -EXAMPLE_RECURSIVE = NO - -# The IMAGE_PATH tag can be used to specify one or more files or directories -# that contain images that are to be included in the documentation (see the -# \image command). - -IMAGE_PATH = - -# The INPUT_FILTER tag can be used to specify a program that doxygen should -# invoke to filter for each input file. Doxygen will invoke the filter program -# by executing (via popen()) the command: -# -# <filter> <input-file> -# -# where <filter> is the value of the INPUT_FILTER tag, and <input-file> is the -# name of an input file. Doxygen will then use the output that the filter -# program writes to standard output. If FILTER_PATTERNS is specified, this tag -# will be ignored. -# -# Note that the filter must not add or remove lines; it is applied before the -# code is scanned, but not when the output code is generated. If lines are added -# or removed, the anchors will not be placed correctly. -# -# Note that for custom extensions or not directly supported extensions you also -# need to set EXTENSION_MAPPING for the extension otherwise the files are not -# properly processed by doxygen. - -INPUT_FILTER = - -# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern -# basis. Doxygen will compare the file name with each pattern and apply the -# filter if there is a match. The filters are a list of the form: pattern=filter -# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how -# filters are used. If the FILTER_PATTERNS tag is empty or if none of the -# patterns match the file name, INPUT_FILTER is applied. -# -# Note that for custom extensions or not directly supported extensions you also -# need to set EXTENSION_MAPPING for the extension otherwise the files are not -# properly processed by doxygen. - -FILTER_PATTERNS = - -# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using -# INPUT_FILTER) will also be used to filter the input files that are used for -# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES). -# The default value is: NO. - -FILTER_SOURCE_FILES = NO - -# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file -# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and -# it is also possible to disable source filtering for a specific pattern using -# *.ext= (so without naming a filter). -# This tag requires that the tag FILTER_SOURCE_FILES is set to YES. - -FILTER_SOURCE_PATTERNS = - -# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that -# is part of the input, its contents will be placed on the main page -# (index.html). This can be useful if you have a project on for instance GitHub -# and want to reuse the introduction page also for the doxygen output. - -USE_MDFILE_AS_MAINPAGE = @PUGL_SRCDIR@/doc/mainpage.md - -#--------------------------------------------------------------------------- -# Configuration options related to source browsing -#--------------------------------------------------------------------------- - -# If the SOURCE_BROWSER tag is set to YES then a list of source files will be -# generated. Documented entities will be cross-referenced with these sources. -# -# Note: To get rid of all source code in the generated output, make sure that -# also VERBATIM_HEADERS is set to NO. -# The default value is: NO. - -SOURCE_BROWSER = NO - -# Setting the INLINE_SOURCES tag to YES will include the body of functions, -# classes and enums directly into the documentation. -# The default value is: NO. - -INLINE_SOURCES = NO - -# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any -# special comment blocks from generated source code fragments. Normal C, C++ and -# Fortran comments will always remain visible. -# The default value is: YES. - -STRIP_CODE_COMMENTS = YES - -# If the REFERENCED_BY_RELATION tag is set to YES then for each documented -# entity all documented functions referencing it will be listed. -# The default value is: NO. - -REFERENCED_BY_RELATION = NO - -# If the REFERENCES_RELATION tag is set to YES then for each documented function -# all documented entities called/used by that function will be listed. -# The default value is: NO. - -REFERENCES_RELATION = YES - -# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set -# to YES then the hyperlinks from functions in REFERENCES_RELATION and -# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will -# link to the documentation. -# The default value is: YES. - -REFERENCES_LINK_SOURCE = YES - -# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the -# source code will show a tooltip with additional information such as prototype, -# brief description and links to the definition and documentation. Since this -# will make the HTML file larger and loading of large files a bit slower, you -# can opt to disable this feature. -# The default value is: YES. -# This tag requires that the tag SOURCE_BROWSER is set to YES. - -SOURCE_TOOLTIPS = NO - -# If the USE_HTAGS tag is set to YES then the references to source code will -# point to the HTML generated by the htags(1) tool instead of doxygen built-in -# source browser. The htags tool is part of GNU's global source tagging system -# (see https://www.gnu.org/software/global/global.html). You will need version -# 4.8.6 or higher. -# -# To use it do the following: -# - Install the latest version of global -# - Enable SOURCE_BROWSER and USE_HTAGS in the configuration file -# - Make sure the INPUT points to the root of the source tree -# - Run doxygen as normal -# -# Doxygen will invoke htags (and that will in turn invoke gtags), so these -# tools must be available from the command line (i.e. in the search path). -# -# The result: instead of the source browser generated by doxygen, the links to -# source code will now point to the output of htags. -# The default value is: NO. -# This tag requires that the tag SOURCE_BROWSER is set to YES. - -USE_HTAGS = NO - -# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a -# verbatim copy of the header file for each class for which an include is -# specified. Set to NO to disable this. -# See also: Section \class. -# The default value is: YES. - -VERBATIM_HEADERS = NO - -#--------------------------------------------------------------------------- -# Configuration options related to the alphabetical class index -#--------------------------------------------------------------------------- - -# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all -# compounds will be generated. Enable this if the project contains a lot of -# classes, structs, unions or interfaces. -# The default value is: YES. - -ALPHABETICAL_INDEX = NO - -# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in -# which the alphabetical index list will be split. -# Minimum value: 1, maximum value: 20, default value: 5. -# This tag requires that the tag ALPHABETICAL_INDEX is set to YES. - -COLS_IN_ALPHA_INDEX = 5 - -# In case all classes in a project start with a common prefix, all classes will -# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag -# can be used to specify a prefix (or a list of prefixes) that should be ignored -# while generating the index headers. -# This tag requires that the tag ALPHABETICAL_INDEX is set to YES. - -IGNORE_PREFIX = - -#--------------------------------------------------------------------------- -# Configuration options related to the HTML output -#--------------------------------------------------------------------------- - -# If the GENERATE_HTML tag is set to YES, doxygen will generate HTML output -# The default value is: YES. - -GENERATE_HTML = YES - -# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a -# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of -# it. -# The default directory is: html. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_OUTPUT = html - -# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each -# generated HTML page (for example: .htm, .php, .asp). -# The default value is: .html. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_FILE_EXTENSION = .html - -# The HTML_HEADER tag can be used to specify a user-defined HTML header file for -# each generated HTML page. If the tag is left blank doxygen will generate a -# standard header. -# -# To get valid HTML the header file that includes any scripts and style sheets -# that doxygen needs, which is dependent on the configuration options used (e.g. -# the setting GENERATE_TREEVIEW). It is highly recommended to start with a -# default header using -# doxygen -w html new_header.html new_footer.html new_stylesheet.css -# YourConfigFile -# and then modify the file new_header.html. See also section "Doxygen usage" -# for information on how to generate the default header that doxygen normally -# uses. -# Note: The header is subject to change so you typically have to regenerate the -# default header when upgrading to a newer version of doxygen. For a description -# of the possible markers and block names see the documentation. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_HEADER = @PUGL_SRCDIR@/doc/header.html - -# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each -# generated HTML page. If the tag is left blank doxygen will generate a standard -# footer. See HTML_HEADER for more information on how to generate a default -# footer and what special commands can be used inside the footer. See also -# section "Doxygen usage" for information on how to generate the default footer -# that doxygen normally uses. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_FOOTER = @PUGL_SRCDIR@/doc/footer.html - -# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style -# sheet that is used by each HTML page. It can be used to fine-tune the look of -# the HTML output. If left blank doxygen will generate a default style sheet. -# See also section "Doxygen usage" for information on how to generate the style -# sheet that doxygen normally uses. -# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as -# it is more robust and this tag (HTML_STYLESHEET) will in the future become -# obsolete. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_STYLESHEET = @PUGL_SRCDIR@/doc/style.css - -# The HTML_EXTRA_STYLESHEET tag can be used to specify additional user-defined -# cascading style sheets that are included after the standard style sheets -# created by doxygen. Using this option one can overrule certain style aspects. -# This is preferred over using HTML_STYLESHEET since it does not replace the -# standard style sheet and is therefore more robust against future updates. -# Doxygen will copy the style sheet files to the output directory. -# Note: The order of the extra style sheet files is of importance (e.g. the last -# style sheet in the list overrules the setting of the previous ones in the -# list). For an example see the documentation. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_EXTRA_STYLESHEET = - -# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or -# other source files which should be copied to the HTML output directory. Note -# that these files will be copied to the base HTML output directory. Use the -# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these -# files. In the HTML_STYLESHEET file, use the file name only. Also note that the -# files will be copied as-is; there are no commands or markers available. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_EXTRA_FILES = - -# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen -# will adjust the colors in the style sheet and background images according to -# this color. Hue is specified as an angle on a colorwheel, see -# https://en.wikipedia.org/wiki/Hue for more information. For instance the value -# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300 -# purple, and 360 is red again. -# Minimum value: 0, maximum value: 359, default value: 220. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_COLORSTYLE_HUE = 120 - -# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors -# in the HTML output. For a value of 0 the output will use grayscales only. A -# value of 255 will produce the most vivid colors. -# Minimum value: 0, maximum value: 255, default value: 100. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_COLORSTYLE_SAT = 32 - -# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the -# luminance component of the colors in the HTML output. Values below 100 -# gradually make the output lighter, whereas values above 100 make the output -# darker. The value divided by 100 is the actual gamma applied, so 80 represents -# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not -# change the gamma. -# Minimum value: 40, maximum value: 240, default value: 80. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_COLORSTYLE_GAMMA = 80 - -# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML -# page will contain the date and time when the page was generated. Setting this -# to YES can help to show when doxygen was last run and thus if the -# documentation is up to date. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_TIMESTAMP = NO - -# If the HTML_DYNAMIC_MENUS tag is set to YES then the generated HTML -# documentation will contain a main index with vertical navigation menus that -# are dynamically created via Javascript. If disabled, the navigation index will -# consists of multiple levels of tabs that are statically embedded in every HTML -# page. Disable this option to support browsers that do not have Javascript, -# like the Qt help browser. -# The default value is: YES. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_DYNAMIC_MENUS = NO - -# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML -# documentation will contain sections that can be hidden and shown after the -# page has loaded. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_DYNAMIC_SECTIONS = NO - -# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries -# shown in the various tree structured indices initially; the user can expand -# and collapse entries dynamically later on. Doxygen will expand the tree to -# such a level that at most the specified number of entries are visible (unless -# a fully collapsed tree already exceeds this amount). So setting the number of -# entries 1 will produce a full collapsed tree by default. 0 is a special value -# representing an infinite number of entries and will result in a full expanded -# tree by default. -# Minimum value: 0, maximum value: 9999, default value: 100. -# This tag requires that the tag GENERATE_HTML is set to YES. - -HTML_INDEX_NUM_ENTRIES = 100 - -# If the GENERATE_DOCSET tag is set to YES, additional index files will be -# generated that can be used as input for Apple's Xcode 3 integrated development -# environment (see: https://developer.apple.com/xcode/), introduced with OSX -# 10.5 (Leopard). To create a documentation set, doxygen will generate a -# Makefile in the HTML output directory. Running make will produce the docset in -# that directory and running make install will install the docset in -# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at -# startup. See https://developer.apple.com/library/archive/featuredarticles/Doxy -# genXcode/_index.html for more information. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -GENERATE_DOCSET = NO - -# This tag determines the name of the docset feed. A documentation feed provides -# an umbrella under which multiple documentation sets from a single provider -# (such as a company or product suite) can be grouped. -# The default value is: Doxygen generated docs. -# This tag requires that the tag GENERATE_DOCSET is set to YES. - -DOCSET_FEEDNAME = "Doxygen generated docs" - -# This tag specifies a string that should uniquely identify the documentation -# set bundle. This should be a reverse domain-name style string, e.g. -# com.mycompany.MyDocSet. Doxygen will append .docset to the name. -# The default value is: org.doxygen.Project. -# This tag requires that the tag GENERATE_DOCSET is set to YES. - -DOCSET_BUNDLE_ID = org.doxygen.Project - -# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify -# the documentation publisher. This should be a reverse domain-name style -# string, e.g. com.mycompany.MyDocSet.documentation. -# The default value is: org.doxygen.Publisher. -# This tag requires that the tag GENERATE_DOCSET is set to YES. - -DOCSET_PUBLISHER_ID = org.doxygen.Publisher - -# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher. -# The default value is: Publisher. -# This tag requires that the tag GENERATE_DOCSET is set to YES. - -DOCSET_PUBLISHER_NAME = Publisher - -# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three -# additional HTML index files: index.hhp, index.hhc, and index.hhk. The -# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop -# (see: https://www.microsoft.com/en-us/download/details.aspx?id=21138) on -# Windows. -# -# The HTML Help Workshop contains a compiler that can convert all HTML output -# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML -# files are now used as the Windows 98 help format, and will replace the old -# Windows help format (.hlp) on all Windows platforms in the future. Compressed -# HTML files also contain an index, a table of contents, and you can search for -# words in the documentation. The HTML workshop also contains a viewer for -# compressed HTML files. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -GENERATE_HTMLHELP = NO - -# The CHM_FILE tag can be used to specify the file name of the resulting .chm -# file. You can add a path in front of the file if the result should not be -# written to the html output directory. -# This tag requires that the tag GENERATE_HTMLHELP is set to YES. - -CHM_FILE = - -# The HHC_LOCATION tag can be used to specify the location (absolute path -# including file name) of the HTML help compiler (hhc.exe). If non-empty, -# doxygen will try to run the HTML help compiler on the generated index.hhp. -# The file has to be specified with full path. -# This tag requires that the tag GENERATE_HTMLHELP is set to YES. - -HHC_LOCATION = - -# The GENERATE_CHI flag controls if a separate .chi index file is generated -# (YES) or that it should be included in the master .chm file (NO). -# The default value is: NO. -# This tag requires that the tag GENERATE_HTMLHELP is set to YES. - -GENERATE_CHI = NO - -# The CHM_INDEX_ENCODING is used to encode HtmlHelp index (hhk), content (hhc) -# and project file content. -# This tag requires that the tag GENERATE_HTMLHELP is set to YES. - -CHM_INDEX_ENCODING = - -# The BINARY_TOC flag controls whether a binary table of contents is generated -# (YES) or a normal table of contents (NO) in the .chm file. Furthermore it -# enables the Previous and Next buttons. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTMLHELP is set to YES. - -BINARY_TOC = NO - -# The TOC_EXPAND flag can be set to YES to add extra items for group members to -# the table of contents of the HTML help documentation and to the tree view. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTMLHELP is set to YES. - -TOC_EXPAND = NO - -# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and -# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that -# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help -# (.qch) of the generated HTML documentation. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -GENERATE_QHP = NO - -# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify -# the file name of the resulting .qch file. The path specified is relative to -# the HTML output folder. -# This tag requires that the tag GENERATE_QHP is set to YES. - -QCH_FILE = - -# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help -# Project output. For more information please see Qt Help Project / Namespace -# (see: http://doc.qt.io/archives/qt-4.8/qthelpproject.html#namespace). -# The default value is: org.doxygen.Project. -# This tag requires that the tag GENERATE_QHP is set to YES. - -QHP_NAMESPACE = - -# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt -# Help Project output. For more information please see Qt Help Project / Virtual -# Folders (see: http://doc.qt.io/archives/qt-4.8/qthelpproject.html#virtual- -# folders). -# The default value is: doc. -# This tag requires that the tag GENERATE_QHP is set to YES. - -QHP_VIRTUAL_FOLDER = doc - -# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom -# filter to add. For more information please see Qt Help Project / Custom -# Filters (see: http://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom- -# filters). -# This tag requires that the tag GENERATE_QHP is set to YES. - -QHP_CUST_FILTER_NAME = - -# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the -# custom filter to add. For more information please see Qt Help Project / Custom -# Filters (see: http://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom- -# filters). -# This tag requires that the tag GENERATE_QHP is set to YES. - -QHP_CUST_FILTER_ATTRS = - -# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this -# project's filter section matches. Qt Help Project / Filter Attributes (see: -# http://doc.qt.io/archives/qt-4.8/qthelpproject.html#filter-attributes). -# This tag requires that the tag GENERATE_QHP is set to YES. - -QHP_SECT_FILTER_ATTRS = - -# The QHG_LOCATION tag can be used to specify the location of Qt's -# qhelpgenerator. If non-empty doxygen will try to run qhelpgenerator on the -# generated .qhp file. -# This tag requires that the tag GENERATE_QHP is set to YES. - -QHG_LOCATION = - -# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be -# generated, together with the HTML files, they form an Eclipse help plugin. To -# install this plugin and make it available under the help contents menu in -# Eclipse, the contents of the directory containing the HTML and XML files needs -# to be copied into the plugins directory of eclipse. The name of the directory -# within the plugins directory should be the same as the ECLIPSE_DOC_ID value. -# After copying Eclipse needs to be restarted before the help appears. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -GENERATE_ECLIPSEHELP = NO - -# A unique identifier for the Eclipse help plugin. When installing the plugin -# the directory name containing the HTML and XML files should also have this -# name. Each documentation set should have its own identifier. -# The default value is: org.doxygen.Project. -# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES. - -ECLIPSE_DOC_ID = org.doxygen.Project - -# If you want full control over the layout of the generated HTML pages it might -# be necessary to disable the index and replace it with your own. The -# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top -# of each HTML page. A value of NO enables the index and the value YES disables -# it. Since the tabs in the index contain the same information as the navigation -# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -DISABLE_INDEX = NO - -# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index -# structure should be generated to display hierarchical information. If the tag -# value is set to YES, a side panel will be generated containing a tree-like -# index structure (just like the one that is generated for HTML Help). For this -# to work a browser that supports JavaScript, DHTML, CSS and frames is required -# (i.e. any modern browser). Windows users are probably better off using the -# HTML help feature. Via custom style sheets (see HTML_EXTRA_STYLESHEET) one can -# further fine-tune the look of the index. As an example, the default style -# sheet generated by doxygen has an example that shows how to put an image at -# the root of the tree instead of the PROJECT_NAME. Since the tree basically has -# the same information as the tab index, you could consider setting -# DISABLE_INDEX to YES when enabling this option. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -GENERATE_TREEVIEW = NO - -# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that -# doxygen will group on one line in the generated HTML documentation. -# -# Note that a value of 0 will completely suppress the enum values from appearing -# in the overview section. -# Minimum value: 0, maximum value: 20, default value: 4. -# This tag requires that the tag GENERATE_HTML is set to YES. - -ENUM_VALUES_PER_LINE = 0 - -# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used -# to set the initial width (in pixels) of the frame in which the tree is shown. -# Minimum value: 0, maximum value: 1500, default value: 250. -# This tag requires that the tag GENERATE_HTML is set to YES. - -TREEVIEW_WIDTH = 250 - -# If the EXT_LINKS_IN_WINDOW option is set to YES, doxygen will open links to -# external symbols imported via tag files in a separate window. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -EXT_LINKS_IN_WINDOW = NO - -# Use this tag to change the font size of LaTeX formulas included as images in -# the HTML documentation. When you change the font size after a successful -# doxygen run you need to manually remove any form_*.png images from the HTML -# output directory to force them to be regenerated. -# Minimum value: 8, maximum value: 50, default value: 10. -# This tag requires that the tag GENERATE_HTML is set to YES. - -FORMULA_FONTSIZE = 10 - -# Use the FORMULA_TRANSPARENT tag to determine whether or not the images -# generated for formulas are transparent PNGs. Transparent PNGs are not -# supported properly for IE 6.0, but are supported on all modern browsers. -# -# Note that when changing this option you need to delete any form_*.png files in -# the HTML output directory before the changes have effect. -# The default value is: YES. -# This tag requires that the tag GENERATE_HTML is set to YES. - -FORMULA_TRANSPARENT = YES - -# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see -# https://www.mathjax.org) which uses client side Javascript for the rendering -# instead of using pre-rendered bitmaps. Use this if you do not have LaTeX -# installed or if you want to formulas look prettier in the HTML output. When -# enabled you may also need to install MathJax separately and configure the path -# to it using the MATHJAX_RELPATH option. -# The default value is: NO. -# This tag requires that the tag GENERATE_HTML is set to YES. - -USE_MATHJAX = NO - -# When MathJax is enabled you can set the default output format to be used for -# the MathJax output. See the MathJax site (see: -# http://docs.mathjax.org/en/latest/output.html) for more details. -# Possible values are: HTML-CSS (which is slower, but has the best -# compatibility), NativeMML (i.e. MathML) and SVG. -# The default value is: HTML-CSS. -# This tag requires that the tag USE_MATHJAX is set to YES. - -MATHJAX_FORMAT = HTML-CSS - -# When MathJax is enabled you need to specify the location relative to the HTML -# output directory using the MATHJAX_RELPATH option. The destination directory -# should contain the MathJax.js script. For instance, if the mathjax directory -# is located at the same level as the HTML output directory, then -# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax -# Content Delivery Network so you can quickly see the result without installing -# MathJax. However, it is strongly recommended to install a local copy of -# MathJax from https://www.mathjax.org before deployment. -# The default value is: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/. -# This tag requires that the tag USE_MATHJAX is set to YES. - -MATHJAX_RELPATH = http://cdn.mathjax.org/mathjax/latest - -# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax -# extension names that should be enabled during MathJax rendering. For example -# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols -# This tag requires that the tag USE_MATHJAX is set to YES. - -MATHJAX_EXTENSIONS = - -# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces -# of code that will be used on startup of the MathJax code. See the MathJax site -# (see: http://docs.mathjax.org/en/latest/output.html) for more details. For an -# example see the documentation. -# This tag requires that the tag USE_MATHJAX is set to YES. - -MATHJAX_CODEFILE = - -# When the SEARCHENGINE tag is enabled doxygen will generate a search box for -# the HTML output. The underlying search engine uses javascript and DHTML and -# should work on any modern browser. Note that when using HTML help -# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET) -# there is already a search function so this one should typically be disabled. -# For large projects the javascript based search engine can be slow, then -# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to -# search using the keyboard; to jump to the search box use <access key> + S -# (what the <access key> is depends on the OS and browser, but it is typically -# <CTRL>, <ALT>/<option>, or both). Inside the search box use the <cursor down -# key> to jump into the search results window, the results can be navigated -# using the <cursor keys>. Press <Enter> to select an item or <escape> to cancel -# the search. The filter options can be selected when the cursor is inside the -# search box by pressing <Shift>+<cursor down>. Also here use the <cursor keys> -# to select a filter and <Enter> or <escape> to activate or cancel the filter -# option. -# The default value is: YES. -# This tag requires that the tag GENERATE_HTML is set to YES. - -SEARCHENGINE = NO - -# When the SERVER_BASED_SEARCH tag is enabled the search engine will be -# implemented using a web server instead of a web client using Javascript. There -# are two flavors of web server based searching depending on the EXTERNAL_SEARCH -# setting. When disabled, doxygen will generate a PHP script for searching and -# an index file used by the script. When EXTERNAL_SEARCH is enabled the indexing -# and searching needs to be provided by external tools. See the section -# "External Indexing and Searching" for details. -# The default value is: NO. -# This tag requires that the tag SEARCHENGINE is set to YES. - -SERVER_BASED_SEARCH = NO - -# When EXTERNAL_SEARCH tag is enabled doxygen will no longer generate the PHP -# script for searching. Instead the search results are written to an XML file -# which needs to be processed by an external indexer. Doxygen will invoke an -# external search engine pointed to by the SEARCHENGINE_URL option to obtain the -# search results. -# -# Doxygen ships with an example indexer (doxyindexer) and search engine -# (doxysearch.cgi) which are based on the open source search engine library -# Xapian (see: https://xapian.org/). -# -# See the section "External Indexing and Searching" for details. -# The default value is: NO. -# This tag requires that the tag SEARCHENGINE is set to YES. - -EXTERNAL_SEARCH = NO - -# The SEARCHENGINE_URL should point to a search engine hosted by a web server -# which will return the search results when EXTERNAL_SEARCH is enabled. -# -# Doxygen ships with an example indexer (doxyindexer) and search engine -# (doxysearch.cgi) which are based on the open source search engine library -# Xapian (see: https://xapian.org/). See the section "External Indexing and -# Searching" for details. -# This tag requires that the tag SEARCHENGINE is set to YES. - -SEARCHENGINE_URL = - -# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed -# search data is written to a file for indexing by an external tool. With the -# SEARCHDATA_FILE tag the name of this file can be specified. -# The default file is: searchdata.xml. -# This tag requires that the tag SEARCHENGINE is set to YES. - -SEARCHDATA_FILE = searchdata.xml - -# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the -# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is -# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple -# projects and redirect the results back to the right project. -# This tag requires that the tag SEARCHENGINE is set to YES. - -EXTERNAL_SEARCH_ID = - -# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen -# projects other than the one defined by this configuration file, but that are -# all added to the same external search index. Each project needs to have a -# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id of -# to a relative location where the documentation can be found. The format is: -# EXTRA_SEARCH_MAPPINGS = tagname1=loc1 tagname2=loc2 ... -# This tag requires that the tag SEARCHENGINE is set to YES. - -EXTRA_SEARCH_MAPPINGS = - -#--------------------------------------------------------------------------- -# Configuration options related to the LaTeX output -#--------------------------------------------------------------------------- - -# If the GENERATE_LATEX tag is set to YES, doxygen will generate LaTeX output. -# The default value is: YES. - -GENERATE_LATEX = NO - -# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. If a -# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of -# it. -# The default directory is: latex. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_OUTPUT = latex - -# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be -# invoked. -# -# Note that when not enabling USE_PDFLATEX the default is latex when enabling -# USE_PDFLATEX the default is pdflatex and when in the later case latex is -# chosen this is overwritten by pdflatex. For specific output languages the -# default can have been set differently, this depends on the implementation of -# the output language. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_CMD_NAME = latex - -# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to generate -# index for LaTeX. -# Note: This tag is used in the Makefile / make.bat. -# See also: LATEX_MAKEINDEX_CMD for the part in the generated output file -# (.tex). -# The default file is: makeindex. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -MAKEINDEX_CMD_NAME = makeindex - -# If the COMPACT_LATEX tag is set to YES, doxygen generates more compact LaTeX -# documents. This may be useful for small projects and may help to save some -# trees in general. -# The default value is: NO. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -COMPACT_LATEX = NO - -# The PAPER_TYPE tag can be used to set the paper type that is used by the -# printer. -# Possible values are: a4 (210 x 297 mm), letter (8.5 x 11 inches), legal (8.5 x -# 14 inches) and executive (7.25 x 10.5 inches). -# The default value is: a4. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -PAPER_TYPE = a4 - -# The EXTRA_PACKAGES tag can be used to specify one or more LaTeX package names -# that should be included in the LaTeX output. The package can be specified just -# by its name or with the correct syntax as to be used with the LaTeX -# \usepackage command. To get the times font for instance you can specify : -# EXTRA_PACKAGES=times or EXTRA_PACKAGES={times} -# To use the option intlimits with the amsmath package you can specify: -# EXTRA_PACKAGES=[intlimits]{amsmath} -# If left blank no extra packages will be included. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -EXTRA_PACKAGES = - -# The LATEX_HEADER tag can be used to specify a personal LaTeX header for the -# generated LaTeX document. The header should contain everything until the first -# chapter. If it is left blank doxygen will generate a standard header. See -# section "Doxygen usage" for information on how to let doxygen write the -# default header to a separate file. -# -# Note: Only use a user-defined header if you know what you are doing! The -# following commands have a special meaning inside the header: $title, -# $datetime, $date, $doxygenversion, $projectname, $projectnumber, -# $projectbrief, $projectlogo. Doxygen will replace $title with the empty -# string, for the replacement values of the other commands the user is referred -# to HTML_HEADER. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_HEADER = - -# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for the -# generated LaTeX document. The footer should contain everything after the last -# chapter. If it is left blank doxygen will generate a standard footer. See -# LATEX_HEADER for more information on how to generate a default footer and what -# special commands can be used inside the footer. -# -# Note: Only use a user-defined footer if you know what you are doing! -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_FOOTER = - -# The LATEX_EXTRA_STYLESHEET tag can be used to specify additional user-defined -# LaTeX style sheets that are included after the standard style sheets created -# by doxygen. Using this option one can overrule certain style aspects. Doxygen -# will copy the style sheet files to the output directory. -# Note: The order of the extra style sheet files is of importance (e.g. the last -# style sheet in the list overrules the setting of the previous ones in the -# list). -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_EXTRA_STYLESHEET = - -# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or -# other source files which should be copied to the LATEX_OUTPUT output -# directory. Note that the files will be copied as-is; there are no commands or -# markers available. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_EXTRA_FILES = - -# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated is -# prepared for conversion to PDF (using ps2pdf or pdflatex). The PDF file will -# contain links (just like the HTML output) instead of page references. This -# makes the output suitable for online browsing using a PDF viewer. -# The default value is: YES. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -PDF_HYPERLINKS = YES - -# If the USE_PDFLATEX tag is set to YES, doxygen will use pdflatex to generate -# the PDF file directly from the LaTeX files. Set this option to YES, to get a -# higher quality PDF documentation. -# The default value is: YES. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -USE_PDFLATEX = YES - -# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \batchmode -# command to the generated LaTeX files. This will instruct LaTeX to keep running -# if errors occur, instead of asking the user for help. This option is also used -# when generating formulas in HTML. -# The default value is: NO. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_BATCHMODE = NO - -# If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the -# index chapters (such as File Index, Compound Index, etc.) in the output. -# The default value is: NO. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_HIDE_INDICES = NO - -# If the LATEX_SOURCE_CODE tag is set to YES then doxygen will include source -# code with syntax highlighting in the LaTeX output. -# -# Note that which sources are shown also depends on other settings such as -# SOURCE_BROWSER. -# The default value is: NO. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_SOURCE_CODE = NO - -# The LATEX_BIB_STYLE tag can be used to specify the style to use for the -# bibliography, e.g. plainnat, or ieeetr. See -# https://en.wikipedia.org/wiki/BibTeX and \cite for more info. -# The default value is: plain. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_BIB_STYLE = plain - -# If the LATEX_TIMESTAMP tag is set to YES then the footer of each generated -# page will contain the date and time when the page was generated. Setting this -# to NO can help when comparing the output of multiple runs. -# The default value is: NO. -# This tag requires that the tag GENERATE_LATEX is set to YES. - -LATEX_TIMESTAMP = NO - -#--------------------------------------------------------------------------- -# Configuration options related to the RTF output -#--------------------------------------------------------------------------- - -# If the GENERATE_RTF tag is set to YES, doxygen will generate RTF output. The -# RTF output is optimized for Word 97 and may not look too pretty with other RTF -# readers/editors. -# The default value is: NO. - -GENERATE_RTF = NO - -# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. If a -# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of -# it. -# The default directory is: rtf. -# This tag requires that the tag GENERATE_RTF is set to YES. - -RTF_OUTPUT = rtf - -# If the COMPACT_RTF tag is set to YES, doxygen generates more compact RTF -# documents. This may be useful for small projects and may help to save some -# trees in general. -# The default value is: NO. -# This tag requires that the tag GENERATE_RTF is set to YES. - -COMPACT_RTF = NO - -# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated will -# contain hyperlink fields. The RTF file will contain links (just like the HTML -# output) instead of page references. This makes the output suitable for online -# browsing using Word or some other Word compatible readers that support those -# fields. -# -# Note: WordPad (write) and others do not support links. -# The default value is: NO. -# This tag requires that the tag GENERATE_RTF is set to YES. - -RTF_HYPERLINKS = NO - -# Load stylesheet definitions from file. Syntax is similar to doxygen's -# configuration file, i.e. a series of assignments. You only have to provide -# replacements, missing definitions are set to their default value. -# -# See also section "Doxygen usage" for information on how to generate the -# default style sheet that doxygen normally uses. -# This tag requires that the tag GENERATE_RTF is set to YES. - -RTF_STYLESHEET_FILE = - -# Set optional variables used in the generation of an RTF document. Syntax is -# similar to doxygen's configuration file. A template extensions file can be -# generated using doxygen -e rtf extensionFile. -# This tag requires that the tag GENERATE_RTF is set to YES. - -RTF_EXTENSIONS_FILE = - -# If the RTF_SOURCE_CODE tag is set to YES then doxygen will include source code -# with syntax highlighting in the RTF output. -# -# Note that which sources are shown also depends on other settings such as -# SOURCE_BROWSER. -# The default value is: NO. -# This tag requires that the tag GENERATE_RTF is set to YES. - -RTF_SOURCE_CODE = NO - -#--------------------------------------------------------------------------- -# Configuration options related to the man page output -#--------------------------------------------------------------------------- - -# If the GENERATE_MAN tag is set to YES, doxygen will generate man pages for -# classes and files. -# The default value is: NO. - -GENERATE_MAN = YES - -# The MAN_OUTPUT tag is used to specify where the man pages will be put. If a -# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of -# it. A directory man3 will be created inside the directory specified by -# MAN_OUTPUT. -# The default directory is: man. -# This tag requires that the tag GENERATE_MAN is set to YES. - -MAN_OUTPUT = man - -# The MAN_EXTENSION tag determines the extension that is added to the generated -# man pages. In case the manual section does not start with a number, the number -# 3 is prepended. The dot (.) at the beginning of the MAN_EXTENSION tag is -# optional. -# The default value is: .3. -# This tag requires that the tag GENERATE_MAN is set to YES. - -MAN_EXTENSION = .3 - -# The MAN_SUBDIR tag determines the name of the directory created within -# MAN_OUTPUT in which the man pages are placed. If defaults to man followed by -# MAN_EXTENSION with the initial . removed. -# This tag requires that the tag GENERATE_MAN is set to YES. - -MAN_SUBDIR = - -# If the MAN_LINKS tag is set to YES and doxygen generates man output, then it -# will generate one additional man file for each entity documented in the real -# man page(s). These additional files only source the real man page, but without -# them the man command would be unable to find the correct page. -# The default value is: NO. -# This tag requires that the tag GENERATE_MAN is set to YES. - -MAN_LINKS = NO - -#--------------------------------------------------------------------------- -# Configuration options related to the XML output -#--------------------------------------------------------------------------- - -# If the GENERATE_XML tag is set to YES, doxygen will generate an XML file that -# captures the structure of the code including all documentation. -# The default value is: NO. - -GENERATE_XML = YES - -# The XML_OUTPUT tag is used to specify where the XML pages will be put. If a -# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of -# it. -# The default directory is: xml. -# This tag requires that the tag GENERATE_XML is set to YES. - -XML_OUTPUT = xml - -# If the XML_PROGRAMLISTING tag is set to YES, doxygen will dump the program -# listings (including syntax highlighting and cross-referencing information) to -# the XML output. Note that enabling this will significantly increase the size -# of the XML output. -# The default value is: YES. -# This tag requires that the tag GENERATE_XML is set to YES. - -XML_PROGRAMLISTING = YES - -#--------------------------------------------------------------------------- -# Configuration options related to the DOCBOOK output -#--------------------------------------------------------------------------- - -# If the GENERATE_DOCBOOK tag is set to YES, doxygen will generate Docbook files -# that can be used to generate PDF. -# The default value is: NO. - -GENERATE_DOCBOOK = NO - -# The DOCBOOK_OUTPUT tag is used to specify where the Docbook pages will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be put in -# front of it. -# The default directory is: docbook. -# This tag requires that the tag GENERATE_DOCBOOK is set to YES. - -DOCBOOK_OUTPUT = docbook - -# If the DOCBOOK_PROGRAMLISTING tag is set to YES, doxygen will include the -# program listings (including syntax highlighting and cross-referencing -# information) to the DOCBOOK output. Note that enabling this will significantly -# increase the size of the DOCBOOK output. -# The default value is: NO. -# This tag requires that the tag GENERATE_DOCBOOK is set to YES. - -DOCBOOK_PROGRAMLISTING = NO - -#--------------------------------------------------------------------------- -# Configuration options for the AutoGen Definitions output -#--------------------------------------------------------------------------- - -# If the GENERATE_AUTOGEN_DEF tag is set to YES, doxygen will generate an -# AutoGen Definitions (see http://autogen.sourceforge.net/) file that captures -# the structure of the code including all documentation. Note that this feature -# is still experimental and incomplete at the moment. -# The default value is: NO. - -GENERATE_AUTOGEN_DEF = NO - -#--------------------------------------------------------------------------- -# Configuration options related to the Perl module output -#--------------------------------------------------------------------------- - -# If the GENERATE_PERLMOD tag is set to YES, doxygen will generate a Perl module -# file that captures the structure of the code including all documentation. -# -# Note that this feature is still experimental and incomplete at the moment. -# The default value is: NO. - -GENERATE_PERLMOD = NO - -# If the PERLMOD_LATEX tag is set to YES, doxygen will generate the necessary -# Makefile rules, Perl scripts and LaTeX code to be able to generate PDF and DVI -# output from the Perl module output. -# The default value is: NO. -# This tag requires that the tag GENERATE_PERLMOD is set to YES. - -PERLMOD_LATEX = NO - -# If the PERLMOD_PRETTY tag is set to YES, the Perl module output will be nicely -# formatted so it can be parsed by a human reader. This is useful if you want to -# understand what is going on. On the other hand, if this tag is set to NO, the -# size of the Perl module output will be much smaller and Perl will parse it -# just the same. -# The default value is: YES. -# This tag requires that the tag GENERATE_PERLMOD is set to YES. - -PERLMOD_PRETTY = YES - -# The names of the make variables in the generated doxyrules.make file are -# prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. This is useful -# so different doxyrules.make files included by the same Makefile don't -# overwrite each other's variables. -# This tag requires that the tag GENERATE_PERLMOD is set to YES. - -PERLMOD_MAKEVAR_PREFIX = - -#--------------------------------------------------------------------------- -# Configuration options related to the preprocessor -#--------------------------------------------------------------------------- - -# If the ENABLE_PREPROCESSING tag is set to YES, doxygen will evaluate all -# C-preprocessor directives found in the sources and include files. -# The default value is: YES. - -ENABLE_PREPROCESSING = YES - -# If the MACRO_EXPANSION tag is set to YES, doxygen will expand all macro names -# in the source code. If set to NO, only conditional compilation will be -# performed. Macro expansion can be done in a controlled way by setting -# EXPAND_ONLY_PREDEF to YES. -# The default value is: NO. -# This tag requires that the tag ENABLE_PREPROCESSING is set to YES. - -MACRO_EXPANSION = YES - -# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES then -# the macro expansion is limited to the macros specified with the PREDEFINED and -# EXPAND_AS_DEFINED tags. -# The default value is: NO. -# This tag requires that the tag ENABLE_PREPROCESSING is set to YES. - -EXPAND_ONLY_PREDEF = YES - -# If the SEARCH_INCLUDES tag is set to YES, the include files in the -# INCLUDE_PATH will be searched if a #include is found. -# The default value is: YES. -# This tag requires that the tag ENABLE_PREPROCESSING is set to YES. - -SEARCH_INCLUDES = YES - -# The INCLUDE_PATH tag can be used to specify one or more directories that -# contain include files that are not input files but should be processed by the -# preprocessor. -# This tag requires that the tag SEARCH_INCLUDES is set to YES. - -INCLUDE_PATH = - -# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard -# patterns (like *.h and *.hpp) to filter out the header-files in the -# directories. If left blank, the patterns specified with FILE_PATTERNS will be -# used. -# This tag requires that the tag ENABLE_PREPROCESSING is set to YES. - -INCLUDE_FILE_PATTERNS = - -# The PREDEFINED tag can be used to specify one or more macro names that are -# defined before the preprocessor is started (similar to the -D option of e.g. -# gcc). The argument of the tag is a list of macros of the form: name or -# name=definition (no spaces). If the definition and the "=" are omitted, "=1" -# is assumed. To prevent a macro definition from being undefined via #undef or -# recursively expanded use the := operator instead of the = operator. -# This tag requires that the tag ENABLE_PREPROCESSING is set to YES. - -PREDEFINED = PUGL_API PUGL_DISABLE_DEPRECATED PUGL_CONST_FUNC= - -# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this -# tag can be used to specify a list of macro names that should be expanded. The -# macro definition that is found in the sources will be used. Use the PREDEFINED -# tag if you want to use a different macro definition that overrules the -# definition found in the source code. -# This tag requires that the tag ENABLE_PREPROCESSING is set to YES. - -EXPAND_AS_DEFINED = - -# If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will -# remove all references to function-like macros that are alone on a line, have -# an all uppercase name, and do not end with a semicolon. Such function macros -# are typically used for boiler-plate code, and will confuse the parser if not -# removed. -# The default value is: YES. -# This tag requires that the tag ENABLE_PREPROCESSING is set to YES. - -SKIP_FUNCTION_MACROS = YES - -#--------------------------------------------------------------------------- -# Configuration options related to external references -#--------------------------------------------------------------------------- - -# The TAGFILES tag can be used to specify one or more tag files. For each tag -# file the location of the external documentation should be added. The format of -# a tag file without this location is as follows: -# TAGFILES = file1 file2 ... -# Adding location for the tag files is done as follows: -# TAGFILES = file1=loc1 "file2 = loc2" ... -# where loc1 and loc2 can be relative or absolute paths or URLs. See the -# section "Linking to external documentation" for more information about the use -# of tag files. -# Note: Each tag file must have a unique name (where the name does NOT include -# the path). If a tag file is not located in the directory in which doxygen is -# run, you must also specify the path to the tagfile here. - -TAGFILES = - -# When a file name is specified after GENERATE_TAGFILE, doxygen will create a -# tag file that is based on the input files it reads. See section "Linking to -# external documentation" for more information about the usage of tag files. - -GENERATE_TAGFILE = - -# If the ALLEXTERNALS tag is set to YES, all external class will be listed in -# the class index. If set to NO, only the inherited external classes will be -# listed. -# The default value is: NO. - -ALLEXTERNALS = NO - -# If the EXTERNAL_GROUPS tag is set to YES, all external groups will be listed -# in the modules index. If set to NO, only the current project's groups will be -# listed. -# The default value is: YES. - -EXTERNAL_GROUPS = YES - -# If the EXTERNAL_PAGES tag is set to YES, all external pages will be listed in -# the related pages index. If set to NO, only the current project's pages will -# be listed. -# The default value is: YES. - -EXTERNAL_PAGES = YES - -#--------------------------------------------------------------------------- -# Configuration options related to the dot tool -#--------------------------------------------------------------------------- - -# If the CLASS_DIAGRAMS tag is set to YES, doxygen will generate a class diagram -# (in HTML and LaTeX) for classes with base or super classes. Setting the tag to -# NO turns the diagrams off. Note that this option also works with HAVE_DOT -# disabled, but it is recommended to install and use dot, since it yields more -# powerful graphs. -# The default value is: YES. - -CLASS_DIAGRAMS = NO - -# You can include diagrams made with dia in doxygen documentation. Doxygen will -# then run dia to produce the diagram and insert it in the documentation. The -# DIA_PATH tag allows you to specify the directory where the dia binary resides. -# If left empty dia is assumed to be found in the default search path. - -DIA_PATH = - -# If set to YES the inheritance and collaboration graphs will hide inheritance -# and usage relations if the target is undocumented or is not a class. -# The default value is: YES. - -HIDE_UNDOC_RELATIONS = YES - -# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is -# available from the path. This tool is part of Graphviz (see: -# http://www.graphviz.org/), a graph visualization toolkit from AT&T and Lucent -# Bell Labs. The other options in this section have no effect if this option is -# set to NO -# The default value is: NO. - -HAVE_DOT = NO - -# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed -# to run in parallel. When set to 0 doxygen will base this on the number of -# processors available in the system. You can set it explicitly to a value -# larger than 0 to get control over the balance between CPU load and processing -# speed. -# Minimum value: 0, maximum value: 32, default value: 0. -# This tag requires that the tag HAVE_DOT is set to YES. - -DOT_NUM_THREADS = 0 - -# When you want a differently looking font in the dot files that doxygen -# generates you can specify the font name using DOT_FONTNAME. You need to make -# sure dot is able to find the font, which can be done by putting it in a -# standard location or by setting the DOTFONTPATH environment variable or by -# setting DOT_FONTPATH to the directory containing the font. -# The default value is: Helvetica. -# This tag requires that the tag HAVE_DOT is set to YES. - -DOT_FONTNAME = - -# The DOT_FONTSIZE tag can be used to set the size (in points) of the font of -# dot graphs. -# Minimum value: 4, maximum value: 24, default value: 10. -# This tag requires that the tag HAVE_DOT is set to YES. - -DOT_FONTSIZE = 10 - -# By default doxygen will tell dot to use the default font as specified with -# DOT_FONTNAME. If you specify a different font using DOT_FONTNAME you can set -# the path where dot can find it using this tag. -# This tag requires that the tag HAVE_DOT is set to YES. - -DOT_FONTPATH = - -# If the CLASS_GRAPH tag is set to YES then doxygen will generate a graph for -# each documented class showing the direct and indirect inheritance relations. -# Setting this tag to YES will force the CLASS_DIAGRAMS tag to NO. -# The default value is: YES. -# This tag requires that the tag HAVE_DOT is set to YES. - -CLASS_GRAPH = NO - -# If the COLLABORATION_GRAPH tag is set to YES then doxygen will generate a -# graph for each documented class showing the direct and indirect implementation -# dependencies (inheritance, containment, and class references variables) of the -# class with other documented classes. -# The default value is: YES. -# This tag requires that the tag HAVE_DOT is set to YES. - -COLLABORATION_GRAPH = NO - -# If the GROUP_GRAPHS tag is set to YES then doxygen will generate a graph for -# groups, showing the direct groups dependencies. -# The default value is: YES. -# This tag requires that the tag HAVE_DOT is set to YES. - -GROUP_GRAPHS = YES - -# If the UML_LOOK tag is set to YES, doxygen will generate inheritance and -# collaboration diagrams in a style similar to the OMG's Unified Modeling -# Language. -# The default value is: NO. -# This tag requires that the tag HAVE_DOT is set to YES. - -UML_LOOK = NO - -# If the UML_LOOK tag is enabled, the fields and methods are shown inside the -# class node. If there are many fields or methods and many nodes the graph may -# become too big to be useful. The UML_LIMIT_NUM_FIELDS threshold limits the -# number of items for each type to make the size more manageable. Set this to 0 -# for no limit. Note that the threshold may be exceeded by 50% before the limit -# is enforced. So when you set the threshold to 10, up to 15 fields may appear, -# but if the number exceeds 15, the total amount of fields shown is limited to -# 10. -# Minimum value: 0, maximum value: 100, default value: 10. -# This tag requires that the tag HAVE_DOT is set to YES. - -UML_LIMIT_NUM_FIELDS = 10 - -# If the TEMPLATE_RELATIONS tag is set to YES then the inheritance and -# collaboration graphs will show the relations between templates and their -# instances. -# The default value is: NO. -# This tag requires that the tag HAVE_DOT is set to YES. - -TEMPLATE_RELATIONS = NO - -# If the INCLUDE_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are set to -# YES then doxygen will generate a graph for each documented file showing the -# direct and indirect include dependencies of the file with other documented -# files. -# The default value is: YES. -# This tag requires that the tag HAVE_DOT is set to YES. - -INCLUDE_GRAPH = NO - -# If the INCLUDED_BY_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are -# set to YES then doxygen will generate a graph for each documented file showing -# the direct and indirect include dependencies of the file with other documented -# files. -# The default value is: YES. -# This tag requires that the tag HAVE_DOT is set to YES. - -INCLUDED_BY_GRAPH = NO - -# If the CALL_GRAPH tag is set to YES then doxygen will generate a call -# dependency graph for every global function or class method. -# -# Note that enabling this option will significantly increase the time of a run. -# So in most cases it will be better to enable call graphs for selected -# functions only using the \callgraph command. Disabling a call graph can be -# accomplished by means of the command \hidecallgraph. -# The default value is: NO. -# This tag requires that the tag HAVE_DOT is set to YES. - -CALL_GRAPH = NO - -# If the CALLER_GRAPH tag is set to YES then doxygen will generate a caller -# dependency graph for every global function or class method. -# -# Note that enabling this option will significantly increase the time of a run. -# So in most cases it will be better to enable caller graphs for selected -# functions only using the \callergraph command. 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For an explanation of the image formats see the section -# output formats in the documentation of the dot tool (Graphviz (see: -# http://www.graphviz.org/)). -# Note: If you choose svg you need to set HTML_FILE_EXTENSION to xhtml in order -# to make the SVG files visible in IE 9+ (other browsers do not have this -# requirement). -# Possible values are: png, jpg, gif, svg, png:gd, png:gd:gd, png:cairo, -# png:cairo:gd, png:cairo:cairo, png:cairo:gdiplus, png:gdiplus and -# png:gdiplus:gdiplus. -# The default value is: png. -# This tag requires that the tag HAVE_DOT is set to YES. - -DOT_IMAGE_FORMAT = png - -# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to -# enable generation of interactive SVG images that allow zooming and panning. -# -# Note that this requires a modern browser other than Internet Explorer. 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- white-space: pre-wrap; -} - -.glow { - background-color: #2AA198; - box-shadow: 0 0 10px #2AA198; -} - -span.lineno { - padding-right: 4px; - text-align: right; - border-right: 2px solid #546E00; - background-color: #E8E8E8; - white-space: pre; -} - -span.lineno a { - background-color: #D8D8D8; -} - -span.lineno a:hover { - background-color: #C8C8C8; -} - -.tabs, .tabs2, .navpath { - padding: 0.25em 0; - font-size: small; - font-family: Helvetica, Arial, "DejaVu Sans Condensed", Verdana, sans-serif; - margin: 0; -} - -th { - text-align: left; - font-size: 110%; - font-weight: 500; -} - -.mlabel { - padding: 0.125em; -} - -#navrow1, #navrow2 { - /* Disable menu from Doxygen 1.8.15, it is faked in the template */ - display: none; -} - -.tablist { - margin: 0; - padding: 0; - display: table; -} - -.tablist li { - display: table-cell; - line-height: 2em; - list-style: none; - border-bottom: 0; -} - -.tablist a { - display: block; - padding: 0 1em 0 0; - text-decoration: none; - outline: none; -} - -.tabs3 .tablist a { - padding: 0 10px; -} - -.tablist li.current a { - color: #222; -} - -span.icon { - display: none; -} diff --git a/scripts/dox_to_sphinx.py b/scripts/dox_to_sphinx.py new file mode 100755 index 0000000..d472308 --- /dev/null +++ b/scripts/dox_to_sphinx.py @@ -0,0 +1,666 @@ +#!/usr/bin/env python + +# Copyright 2020 David Robillard <d@drobilla.net> +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +""" +Write Sphinx markup from Doxygen XML. + +Takes a path to a directory of XML generated by Doxygen, and emits a directory +with a reStructuredText file for every documented symbol. +""" + +import argparse +import os +import sys +import textwrap +import xml.etree.ElementTree + +__author__ = "David Robillard" +__date__ = "2020-11-18" +__email__ = "d@drobilla.net" +__license__ = "ISC" +__version__ = __date__.replace("-", ".") + + +def load_index(index_path): + """ + Load the index from XML. + + :returns: A dictionary from ID to skeleton records with basic information + for every documented entity. Some records have an ``xml_filename`` key + with the filename of a definition file. These files will be loaded later + to flesh out the records in the index. + """ + + root = xml.etree.ElementTree.parse(index_path).getroot() + index = {} + + for compound in root: + compound_id = compound.get("refid") + compound_kind = compound.get("kind") + compound_name = compound.find("name").text + if compound_kind in ["dir", "file", "page"]: + continue + + # Add record for compound (compounds appear only once in the index) + assert compound_id not in index + index[compound_id] = { + "kind": compound_kind, + "name": compound_name, + "xml_filename": compound_id + ".xml", + "children": [], + } + + name_prefix = ( + ("%s::" % compound_name) if compound_kind == "namespace" else "" + ) + + for child in compound.findall("member"): + if child.get("refid") in index: + assert compound_kind == "group" + continue + + # Everything has a kind and a name + child_record = { + "kind": child.get("kind"), + "name": name_prefix + child.find("name").text, + } + + if child.get("kind") == "enum": + # Enums are not compounds, but we want to resolve the parent of + # their values so they are not written as top level documents + child_record["children"] = [] + + if child.get("kind") == "enumvalue": + # Remove namespace prefix + child_record["name"] = child.find("name").text + + index[child.get("refid")] = child_record + + return index + + +def resolve_index(index, root): + """ + Walk a definition document and extend the index for linking. + + This does two things: sets the "parent" and "children" fields of all + applicable records, and sets the "strong" field of enums so that the + correct Sphinx role can be used when referring to them. + """ + + def add_child(index, parent_id, child_id): + parent = index[parent_id] + child = index[child_id] + + if child["kind"] == "enumvalue": + assert parent["kind"] == "enum" + assert "parent" not in child or child["parent"] == parent_id + child["parent"] = parent_id + + else: + if parent["kind"] in ["class", "struct", "union"]: + assert "parent" not in child or child["parent"] == parent_id + child["parent"] = parent_id + + if child_id not in parent["children"]: + parent["children"] += [child_id] + + compound = root.find("compounddef") + compound_kind = compound.get("kind") + + if compound_kind == "group": + for subgroup in compound.findall("innergroup"): + add_child(index, compound.get("id"), subgroup.get("refid")) + + for klass in compound.findall("innerclass"): + add_child(index, compound.get("id"), klass.get("refid")) + + for section in compound.findall("sectiondef"): + if section.get("kind").startswith("private"): + for member in section.findall("memberdef"): + if member.get("id") in index: + del index[member.get("id")] + else: + for member in section.findall("memberdef"): + member_id = member.get("id") + add_child(index, compound.get("id"), member_id) + + if member.get("kind") == "enum": + index[member_id]["strong"] = member.get("strong") == "yes" + for value in member.findall("enumvalue"): + add_child(index, member_id, value.get("id")) + + +def sphinx_role(record, lang): + """ + Return the Sphinx role used for a record. + + This is used for the description directive like ".. c:function::", and + links like ":c:func:`foo`. + """ + + kind = record["kind"] + + if kind in ["class", "function", "namespace", "struct", "union"]: + return lang + ":" + kind + + if kind == "define": + return "c:macro" + + if kind == "enum": + return lang + (":enum-class" if record["strong"] else ":enum") + + if kind == "typedef": + return lang + ":type" + + if kind == "enumvalue": + return lang + ":enumerator" + + if kind == "variable": + return lang + (":member" if "parent" in record else ":var") + + raise RuntimeError("No known role for kind '%s'" % kind) + + +def child_identifier(lang, parent_name, child_name): + """ + Return the identifier for an enum value or struct member. + + Sphinx, for some reason, uses a different syntax for this in C and C++. + """ + + separator = "::" if lang == "cpp" else "." + + return "%s%s%s" % (parent_name, separator, child_name) + + +def link_markup(index, lang, refid): + """Return a Sphinx link for a Doxygen reference.""" + + record = index[refid] + kind, name = record["kind"], record["name"] + role = sphinx_role(record, lang) + + if kind in ["class", "enum", "struct", "typedef", "union"]: + return ":%s:`%s`" % (role, name) + + if kind == "function": + return ":%s:func:`%s`" % (lang, name) + + if kind == "enumvalue": + parent_name = index[record["parent"]]["name"] + return ":%s:`%s`" % (role, child_identifier(lang, parent_name, name)) + + if kind == "variable": + if "parent" not in record: + return ":%s:var:`%s`" % (lang, name) + + parent_name = index[record["parent"]]["name"] + return ":%s:`%s`" % (role, child_identifier(lang, parent_name, name)) + + raise RuntimeError("Unknown link target kind: %s" % kind) + + +def indent(markup, depth): + """ + Indent markup to a depth level. + + Like textwrap.indent() but takes an integer and works in reST indentation + levels for clarity." + """ + + return textwrap.indent(markup, " " * depth) + + +def heading(text, level): + """ + Return a ReST heading at a given level. + + Follows the style in the Python documentation guide, see + <https://devguide.python.org/documenting/#sections>. + """ + + assert 1 <= level <= 6 + + chars = ("#", "*", "=", "-", "^", '"') + line = chars[level] * len(text) + + return "%s\n%s\n%s\n\n" % (line if level < 3 else "", text, line) + + +def dox_to_rst(index, lang, node): + """ + Convert documentation commands (docCmdGroup) to Sphinx markup. + + This is used to convert the content of descriptions in the documentation. + It recursively parses all children tags and raises a RuntimeError if any + unknown tag is encountered. + """ + + def field_value(markup): + """Return a value for a field as a single line or indented block.""" + if "\n" in markup.strip(): + return "\n" + indent(markup, 1) + + return " " + markup.strip() + + if node.tag == "computeroutput": + assert len(node) == 0 + return "``%s``" % node.text + + if node.tag == "itemizedlist": + markup = "" + for item in node.findall("listitem"): + assert len(item) == 1 + markup += "\n- %s" % dox_to_rst(index, lang, item[0]) + + return markup + + if node.tag == "para": + markup = node.text if node.text is not None else "" + for child in node: + markup += dox_to_rst(index, lang, child) + markup += child.tail if child.tail is not None else "" + + return markup.strip() + "\n\n" + + if node.tag == "parameterlist": + markup = "" + for item in node.findall("parameteritem"): + name = item.find("parameternamelist/parametername") + description = item.find("parameterdescription") + assert len(description) == 1 + markup += "\n\n:param %s:%s" % ( + name.text, + field_value(dox_to_rst(index, lang, description[0])), + ) + + return markup + "\n" + + if node.tag == "programlisting": + return "\n.. code-block:: %s\n\n%s" % ( + lang, + indent(plain_text(node), 1), + ) + + if node.tag == "ref": + refid = node.get("refid") + if refid not in index: + sys.stderr.write("warning: Unresolved link: %s\n" % refid) + return node.text + + assert len(node) == 0 + assert len(link_markup(index, lang, refid)) > 0 + return link_markup(index, lang, refid) + + if node.tag == "simplesect": + assert len(node) == 1 + + if node.get("kind") == "return": + return "\n:returns:" + field_value( + dox_to_rst(index, lang, node[0]) + ) + + if node.get("kind") == "see": + return dox_to_rst(index, lang, node[0]) + + raise RuntimeError("Unknown simplesect kind: %s" % node.get("kind")) + + if node.tag == "ulink": + return "`%s <%s>`_" % (node.text, node.get("url")) + + raise RuntimeError("Unknown documentation command: %s" % node.tag) + + +def description_markup(index, lang, node): + """Return the markup for a brief or detailed description.""" + + assert node.tag == "briefdescription" or node.tag == "detaileddescription" + assert not (node.tag == "briefdescription" and len(node) > 1) + assert len(node.text.strip()) == 0 + + return "".join([dox_to_rst(index, lang, child) for child in node]) + + +def set_descriptions(index, lang, definition, record): + """Set a record's brief/detailed descriptions from the XML definition.""" + + for tag in ["briefdescription", "detaileddescription"]: + node = definition.find(tag) + if node is not None: + record[tag] = description_markup(index, lang, node) + + +def set_template_params(node, record): + """Set a record's template_params from the XML definition.""" + + template_param_list = node.find("templateparamlist") + if template_param_list is not None: + params = [] + for param in template_param_list.findall("param"): + if param.find("declname") is not None: + # Value parameter + type_text = plain_text(param.find("type")) + name_text = plain_text(param.find("declname")) + + params += ["%s %s" % (type_text, name_text)] + else: + # Type parameter + params += ["%s" % (plain_text(param.find("type")))] + + record["template_params"] = "%s" % ", ".join(params) + + +def plain_text(node): + """ + Return the plain text of a node with all tags ignored. + + This is needed where Doxygen may include refs but Sphinx needs plain text + because it parses things itself to generate links. + """ + + if node.tag == "sp": + markup = " " + elif node.text is not None: + markup = node.text + else: + markup = "" + + for child in node: + markup += plain_text(child) + markup += child.tail if child.tail is not None else "" + + return markup + + +def local_name(name): + """Return a name with all namespace prefixes stripped.""" + + return name[name.rindex("::") + 2 :] if "::" in name else name + + +def read_definition_doc(index, lang, root): + """Walk a definition document and update described records in the index.""" + + # Set descriptions for the compound itself + compound = root.find("compounddef") + compound_record = index[compound.get("id")] + set_descriptions(index, lang, compound, compound_record) + set_template_params(compound, compound_record) + + if compound.find("title") is not None: + compound_record["title"] = compound.find("title").text.strip() + + # Set documentation for all children + for section in compound.findall("sectiondef"): + if section.get("kind").startswith("private"): + continue + + for member in section.findall("memberdef"): + kind = member.get("kind") + record = index[member.get("id")] + set_descriptions(index, lang, member, record) + set_template_params(member, record) + + if compound.get("kind") in ["class", "struct", "union"]: + assert kind in ["function", "typedef", "variable"] + record["type"] = plain_text(member.find("type")) + + if kind == "enum": + for value in member.findall("enumvalue"): + set_descriptions( + index, lang, value, index[value.get("id")] + ) + + elif kind == "function": + record["prototype"] = "%s %s%s" % ( + plain_text(member.find("type")), + member.find("name").text, + member.find("argsstring").text, + ) + + elif kind == "typedef": + name = local_name(record["name"]) + args_text = member.find("argsstring").text + target_text = plain_text(member.find("type")) + if args_text is not None: # Function pointer + assert target_text[-2:] == "(*" and args_text[0] == ")" + record["type"] = target_text + args_text + record["definition"] = target_text + name + args_text + else: # Normal named typedef + assert target_text is not None + record["type"] = target_text + if member.find("definition").text.startswith("using"): + record["definition"] = "%s = %s" % ( + name, + target_text, + ) + else: + record["definition"] = "%s %s" % ( + target_text, + name, + ) + + +def declaration_string(record): + """ + Return the string that describes a declaration. + + This is what follows the directive, and is in C/C++ syntax, except without + keywords like "typedef" and "using" as expected by Sphinx. For example, + "struct ThingImpl Thing" or "void run(int value)". + """ + + kind = record["kind"] + result = "" + + if "template_params" in record: + result = "template <%s> " % record["template_params"] + + if kind == "function": + result += record["prototype"] + elif kind == "typedef": + result += record["definition"] + elif "type" in record: + result += "%s %s" % (record["type"], local_name(record["name"])) + else: + result += local_name(record["name"]) + + return result + + +def document_markup(index, lang, record): + """Return the complete document that describes some documented entity.""" + + kind = record["kind"] + role = sphinx_role(record, lang) + name = record["name"] + markup = "" + + if name != local_name(name): + markup += ".. cpp:namespace:: %s\n\n" % name[0 : name.rindex("::")] + + # Write top-level directive + markup += ".. %s:: %s\n" % (role, declaration_string(record)) + + # Write main description blurb + markup += "\n" + markup += indent(record["briefdescription"], 1) + markup += indent(record["detaileddescription"], 1) + + assert ( + kind in ["class", "enum", "namespace", "struct", "union"] + or "children" not in record + ) + + # Sphinx C++ namespaces work by setting a scope, they have no content + child_indent = 0 if kind == "namespace" else 1 + + # Write inline children if applicable + markup += "\n" + for child_id in record.get("children", []): + child_record = index[child_id] + child_role = sphinx_role(child_record, lang) + + child_header = ".. %s:: %s\n\n" % ( + child_role, + declaration_string(child_record), + ) + + markup += "\n" + markup += indent(child_header, child_indent) + markup += indent(child_record["briefdescription"], child_indent + 1) + markup += indent(child_record["detaileddescription"], child_indent + 1) + markup += "\n" + + return markup + + +def symbol_filename(name): + """Adapt the name of a symbol to be suitable for use as a filename.""" + + return name.replace("::", "__") + + +def emit_symbols(index, lang, symbol_dir, force): + """Write a description file for every symbol documented in the index.""" + + for record in index.values(): + if ( + record["kind"] in ["group", "namespace"] + or "parent" in record + and index[record["parent"]]["kind"] != "group" + ): + continue + + name = record["name"] + filename = os.path.join(symbol_dir, symbol_filename("%s.rst" % name)) + if not force and os.path.exists(filename): + raise FileExistsError("File already exists: '%s'" % filename) + + with open(filename, "w") as rst: + rst.write(heading(local_name(name), 3)) + rst.write(document_markup(index, lang, record)) + + +def emit_groups(index, output_dir, symbol_dir_name, force): + """Write a description file for every group documented in the index.""" + + for record in index.values(): + if record["kind"] != "group": + continue + + name = record["name"] + filename = os.path.join(output_dir, "%s.rst" % name) + if not force and os.path.exists(filename): + raise FileExistsError("File already exists: '%s'" % filename) + + with open(filename, "w") as rst: + rst.write(heading(record["title"], 2)) + + # Get all child group and symbol names + group_names = [] + symbol_names = [] + for child_id in record["children"]: + child = index[child_id] + if child["kind"] == "group": + group_names += [child["name"]] + else: + symbol_names += [child["name"]] + + # Emit description (document body) + rst.write(record["briefdescription"] + "\n\n") + rst.write(record["detaileddescription"] + "\n\n") + + # Emit TOC + rst.write(".. toctree::\n") + + # Emit groups at the top of the TOC + for group_name in group_names: + rst.write("\n" + indent(group_name, 1)) + + # Emit symbols in sorted order + for symbol_name in sorted(symbol_names): + path = "/".join( + [symbol_dir_name, symbol_filename(symbol_name)] + ) + rst.write("\n" + indent(path, 1)) + + rst.write("\n") + + +def run(index_xml_path, output_dir, symbol_dir_name, language, force): + """Write a directory of Sphinx files from a Doxygen XML directory.""" + + # Build skeleton index from index.xml + xml_dir = os.path.dirname(index_xml_path) + index = load_index(index_xml_path) + + # Load all definition documents + definition_docs = [] + for record in index.values(): + if "xml_filename" in record: + xml_path = os.path.join(xml_dir, record["xml_filename"]) + definition_docs += [xml.etree.ElementTree.parse(xml_path)] + + # Do an initial pass of the definition documents to resolve the index + for root in definition_docs: + resolve_index(index, root) + + # Finally read the documentation from definition documents + for root in definition_docs: + read_definition_doc(index, language, root) + + # Emit output files + symbol_dir = os.path.join(output_dir, symbol_dir_name) + os.makedirs(symbol_dir, exist_ok=True) + emit_symbols(index, language, symbol_dir, force) + emit_groups(index, output_dir, symbol_dir_name, force) + + +if __name__ == "__main__": + ap = argparse.ArgumentParser( + usage="%(prog)s [OPTION]... XML_DIR OUTPUT_DIR", + description=__doc__, + formatter_class=argparse.RawDescriptionHelpFormatter, + ) + + ap.add_argument( + "-f", + "--force", + action="store_true", + help="overwrite files", + ) + + ap.add_argument( + "-l", + "--language", + default="c", + choices=["c", "cpp"], + help="language domain for output", + ) + + ap.add_argument( + "-s", + "--symbol-dir-name", + default="symbols", + help="name for subdirectory of symbol documentation files", + ) + + ap.add_argument("index_xml_path", help="path index.xml from Doxygen") + ap.add_argument("output_dir", help="output directory") + + run(**vars(ap.parse_args(sys.argv[1:]))) @@ -159,6 +159,14 @@ def configure(conf): '-Wno-direct-ivar-access'], }) + if conf.env.DOCS: + conf.load('python') + conf.load('sphinx') + conf.find_program('doxygen', var='DOXYGEN') + + if not (conf.env.DOXYGEN and conf.env.SPHINX_BUILD): + conf.env.DOCS = False + sys_header = 'windows.h' if platform == 'win32' else '' if not Options.options.no_vulkan: @@ -270,7 +278,9 @@ def configure(conf): conf.env.update({ 'BUILD_SHARED': not Options.options.no_shared, 'BUILD_STATIC': conf.env.BUILD_TESTS or not Options.options.no_static, - 'BUILD_STRICT_HEADER_TEST': Options.options.strict}) + 'BUILD_STRICT_HEADER_TEST': Options.options.strict, + 'PUGL_MAJOR_VERSION': PUGL_MAJOR_VERSION, + }) if conf.env.TARGET_PLATFORM == 'win32': conf.env.PUGL_PLATFORM = 'win' @@ -672,10 +682,8 @@ def build(bld): uselib=['GL', 'M']) if bld.env.DOCS: - autowaf.build_dox( - bld, 'PUGL', PUGL_VERSION, top, out, install_man=False) - bld.install_files('${MANDIR}/man3', 'doc/man/man3/pugl.3') - bld.install_files('${MANDIR}/man3', 'doc/man/man3/puglxx.3') + bld.recurse('doc/c') + bld.recurse('doc/cpp') def test(tst): |