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-rw-r--r--doc/_static/custom.css95
-rw-r--r--doc/_templates/about.html57
-rw-r--r--doc/c/Doxyfile30
-rw-r--r--doc/c/index.rst6
-rw-r--r--doc/c/overview.rst579
-rw-r--r--doc/c/reference.rst18
-rw-r--r--doc/c/wscript43
-rw-r--r--doc/conf.py.in88
-rw-r--r--doc/cpp/Doxyfile40
-rw-r--r--doc/cpp/c-reference.rst20
-rw-r--r--doc/cpp/cpp-reference.rst18
-rw-r--r--doc/cpp/index.rst7
-rw-r--r--doc/cpp/overview.rst423
-rw-r--r--doc/cpp/wscript44
-rw-r--r--doc/deployment.rst23
-rw-r--r--doc/footer.html20
-rw-r--r--doc/header.html49
-rw-r--r--doc/layout.xml194
-rw-r--r--doc/pugl.rst26
-rw-r--r--doc/reference.doxygen.in2423
-rw-r--r--doc/style.css856
21 files changed, 1517 insertions, 3542 deletions
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-->
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-<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
- <ul>
- $navpath
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- <a href="http://www.doxygen.org/index.html">Doxygen $doxygenversion</li>
- </ul>
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- <address class="footer">$generatedby
- <a href="http://www.doxygen.org/">Doxygen</a> $doxygenversion
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diff --git a/doc/header.html b/doc/header.html
deleted file mode 100644
index 54c25b0..0000000
--- a/doc/header.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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- <!--BEGIN PROJECT_NAME--><title>$projectname: $title</title><!--END PROJECT_NAME-->
- <!--BEGIN !PROJECT_NAME--><title>$title</title><!--END !PROJECT_NAME-->
- <link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
- $extrastylesheet
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- <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
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- <!--BEGIN TITLEAREA-->
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- <!--END PROJECT_LOGO-->
- <!--BEGIN PROJECT_NAME-->
- <h1 id="title">$projectname</h1>
- <!--END PROJECT_NAME-->
- <!--BEGIN PROJECT_BRIEF-->
- <div id="shortdesc">$projectbrief</div>
- <!--END PROJECT_BRIEF-->
- </div>
- <div id="metabox">
- <table id="meta">
- <!--BEGIN PROJECT_NUMBER-->
- <tr><th>Version</th><td>$projectnumber</td></tr>
- <!--END PROJECT_NUMBER-->
- </table>
- </div>
- </div>
- </div>
- <!--END TITLEAREA-->
- <!-- end header part -->
-
- <!-- Fake static menu from Doxygen 1.8.15 -->
- <div id="staticnavrow" class="tabs">
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- <li><a href="index.html"><span>Main&#160;Page</span></a></li>
- <li><a href="modules.html"><span>Modules</span></a></li>
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- <li><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
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- <li><a href="files.html"><span>Files</span></a></li>
- </ul>
- </div>
diff --git a/doc/layout.xml b/doc/layout.xml
deleted file mode 100644
index 2995c0e..0000000
--- a/doc/layout.xml
+++ /dev/null
@@ -1,194 +0,0 @@
-<doxygenlayout version="1.0">
- <!-- Generated by doxygen 1.8.13 -->
- <!-- Navigation index tabs for HTML output -->
- <navindex>
- <tab type="mainpage" visible="yes" title=""/>
- <tab type="pages" visible="yes" title="" intro=""/>
- <tab type="modules" visible="yes" title="" intro=""/>
- <tab type="namespaces" visible="yes" title="">
- <tab type="namespacelist" visible="yes" title="" intro=""/>
- <tab type="namespacemembers" visible="yes" title="" intro=""/>
- </tab>
- <tab type="classes" visible="yes" title="">
- <tab type="classlist" visible="yes" title="" intro=""/>
- <tab type="classindex" visible="$ALPHABETICAL_INDEX" title=""/>
- <tab type="hierarchy" visible="yes" title="" intro=""/>
- <tab type="classmembers" visible="yes" title="" intro=""/>
- </tab>
- <tab type="files" visible="yes" title="">
- <tab type="filelist" visible="yes" title="" intro=""/>
- <tab type="globals" visible="yes" title="" intro=""/>
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-
- <!-- Layout definition for a class page -->
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- <packagestaticmethods title=""/>
- <packageattributes title=""/>
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- <properties title=""/>
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- <privatetypes title=""/>
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- <privatemethods title=""/>
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- <friends title=""/>
- <related title="" subtitle=""/>
- <membergroups visible="yes"/>
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- <memberdef>
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- <allmemberslink visible="yes"/>
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-
- <!-- Layout definition for a namespace page -->
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- <briefdescription visible="yes"/>
- <detaileddescription title=""/>
- <memberdecl>
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- <classes visible="yes" title=""/>
- <typedefs title=""/>
- <enums title=""/>
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- <membergroups visible="yes"/>
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- <memberdef>
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-
- <!-- Layout definition for a file page -->
- <file>
- <briefdescription visible="yes"/>
- <detaileddescription title=""/>
- <includes visible="$SHOW_INCLUDE_FILES"/>
- <includegraph visible="$INCLUDE_GRAPH"/>
- <includedbygraph visible="$INCLUDED_BY_GRAPH"/>
- <sourcelink visible="yes"/>
- <memberdecl>
- <classes visible="yes" title=""/>
- <namespaces visible="yes" title=""/>
- <constantgroups visible="yes" title=""/>
- <defines title=""/>
- <typedefs title=""/>
- <enums title=""/>
- <functions title=""/>
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- <membergroups visible="yes"/>
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- <memberdef>
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-
- <!-- Layout definition for a group page -->
- <group>
- <briefdescription visible="yes"/>
- <detaileddescription title=""/>
- <groupgraph visible="$GROUP_GRAPHS"/>
- <memberdecl>
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- <dirs visible="yes" title=""/>
- <files visible="yes" title=""/>
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- <friends title=""/>
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- <memberdef>
- <pagedocs/>
- <inlineclasses title=""/>
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- <typedefs title=""/>
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- <enumvalues title=""/>
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- <!-- Layout definition for a directory page -->
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diff --git a/doc/pugl.rst b/doc/pugl.rst
new file mode 100644
index 0000000..c48021b
--- /dev/null
+++ b/doc/pugl.rst
@@ -0,0 +1,26 @@
+####
+Pugl
+####
+
+Pugl is an API for writing portable and embeddable GUIs.
+Pugl is not a toolkit or framework,
+but a minimal portability layer that sets up a drawing context and delivers events.
+
+Compared to other libraries,
+Pugl is particularly suitable for use in plugins or other loadable modules.
+There is no implicit context or static data in the library,
+so it may be statically linked and used multiple times in the same process.
+
+Pugl has a modular design that separates the core library from graphics backends.
+The core library is graphics agnostic,
+it implements platform support and depends only on standard system libraries.
+MacOS, Windows, and X11 are currently supported as platforms.
+
+Graphics backends are separate so that applications only depend on the API that they use.
+Pugl includes graphics backends for Cairo_, OpenGL_, and Vulkan_.
+It is also possible to use some other graphics API by implementing a custom backend,
+or simply accessing the native platform handle for a window.
+
+.. _Cairo: https://www.cairographics.org/
+.. _OpenGL: https://www.opengl.org/
+.. _Vulkan: https://www.khronos.org/vulkan/
diff --git a/doc/reference.doxygen.in b/doc/reference.doxygen.in
deleted file mode 100644
index b3d5acd..0000000
--- a/doc/reference.doxygen.in
+++ /dev/null
@@ -1,2423 +0,0 @@
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-
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-# documentation, which will result in a user-defined paragraph with heading
-# "Side Effects:". You can put \n's in the value part of an alias to insert
-# newlines (in the resulting output). You can put ^^ in the value part of an
-# alias to insert a newline as if a physical newline was in the original file.
-# When you need a literal { or } or , in the value part of an alias you have to
-# escape them by means of a backslash (\), this can lead to conflicts with the
-# commands \{ and \} for these it is advised to use the version @{ and @} or use
-# a double escape (\\{ and \\})
-
-ALIASES =
-
-# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources
-# only. Doxygen will then generate output that is more tailored for C. For
-# instance, some of the names that are used will be different. The list of all
-# members will be omitted, etc.
-# The default value is: NO.
-
-OPTIMIZE_OUTPUT_FOR_C = YES
-
-# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
-# Python sources only. Doxygen will then generate output that is more tailored
-# for that language. For instance, namespaces will be presented as packages,
-# qualified scopes will look different, etc.
-# The default value is: NO.
-
-OPTIMIZE_OUTPUT_JAVA = NO
-
-# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran
-# sources. Doxygen will then generate output that is tailored for Fortran.
-# The default value is: NO.
-
-OPTIMIZE_FOR_FORTRAN = NO
-
-# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
-# sources. Doxygen will then generate output that is tailored for VHDL.
-# The default value is: NO.
-
-OPTIMIZE_OUTPUT_VHDL = NO
-
-# Doxygen selects the parser to use depending on the extension of the files it
-# parses. With this tag you can assign which parser to use for a given
-# extension. Doxygen has a built-in mapping, but you can override or extend it
-# using this tag. The format is ext=language, where ext is a file extension, and
-# language is one of the parsers supported by doxygen: IDL, Java, Javascript,
-# Csharp (C#), C, C++, D, PHP, md (Markdown), Objective-C, Python, Slice,
-# Fortran (fixed format Fortran: FortranFixed, free formatted Fortran:
-# FortranFree, unknown formatted Fortran: Fortran. In the later case the parser
-# tries to guess whether the code is fixed or free formatted code, this is the
-# default for Fortran type files), VHDL, tcl. For instance to make doxygen treat
-# .inc files as Fortran files (default is PHP), and .f files as C (default is
-# Fortran), use: inc=Fortran f=C.
-#
-# Note: For files without extension you can use no_extension as a placeholder.
-#
-# Note that for custom extensions you also need to set FILE_PATTERNS otherwise
-# the files are not read by doxygen.
-
-EXTENSION_MAPPING =
-
-# If the MARKDOWN_SUPPORT tag is enabled then doxygen pre-processes all comments
-# according to the Markdown format, which allows for more readable
-# documentation. See https://daringfireball.net/projects/markdown/ for details.
-# The output of markdown processing is further processed by doxygen, so you can
-# mix doxygen, HTML, and XML commands with Markdown formatting. Disable only in
-# case of backward compatibilities issues.
-# The default value is: YES.
-
-MARKDOWN_SUPPORT = YES
-
-# When the TOC_INCLUDE_HEADINGS tag is set to a non-zero value, all headings up
-# to that level are automatically included in the table of contents, even if
-# they do not have an id attribute.
-# Note: This feature currently applies only to Markdown headings.
-# Minimum value: 0, maximum value: 99, default value: 0.
-# This tag requires that the tag MARKDOWN_SUPPORT is set to YES.
-
-TOC_INCLUDE_HEADINGS = 0
-
-# When enabled doxygen tries to link words that correspond to documented
-# classes, or namespaces to their corresponding documentation. Such a link can
-# be prevented in individual cases by putting a % sign in front of the word or
-# globally by setting AUTOLINK_SUPPORT to NO.
-# The default value is: YES.
-
-AUTOLINK_SUPPORT = YES
-
-# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
-# to include (a tag file for) the STL sources as input, then you should set this
-# tag to YES in order to let doxygen match functions declarations and
-# definitions whose arguments contain STL classes (e.g. func(std::string);
-# versus func(std::string) {}). This also make the inheritance and collaboration
-# diagrams that involve STL classes more complete and accurate.
-# The default value is: NO.
-
-BUILTIN_STL_SUPPORT = NO
-
-# If you use Microsoft's C++/CLI language, you should set this option to YES to
-# enable parsing support.
-# The default value is: NO.
-
-CPP_CLI_SUPPORT = NO
-
-# Set the SIP_SUPPORT tag to YES if your project consists of sip (see:
-# https://www.riverbankcomputing.com/software/sip/intro) sources only. Doxygen
-# will parse them like normal C++ but will assume all classes use public instead
-# of private inheritance when no explicit protection keyword is present.
-# The default value is: NO.
-
-SIP_SUPPORT = NO
-
-# For Microsoft's IDL there are propget and propput attributes to indicate
-# getter and setter methods for a property. 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
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