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Diffstat (limited to 'include/pugl/detail/win_cairo.c')
| -rw-r--r-- | include/pugl/detail/win_cairo.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/include/pugl/detail/win_cairo.c b/include/pugl/detail/win_cairo.c deleted file mode 100644 index 866569c..0000000 --- a/include/pugl/detail/win_cairo.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - Copyright 2012-2020 David Robillard <d@drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -/** - @file win_cairo.c - @brief Cairo graphics backend for Windows. -*/ - -#include "pugl/detail/stub.h" -#include "pugl/detail/types.h" -#include "pugl/detail/win.h" -#include "pugl/pugl_cairo.h" - -#include <cairo-win32.h> -#include <cairo.h> - -#include <stdlib.h> - -typedef struct { - cairo_surface_t* surface; - cairo_t* cr; - HDC drawDc; - HBITMAP drawBitmap; -} PuglWinCairoSurface; - -static PuglStatus -puglWinCairoCreateDrawContext(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - surface->drawDc = CreateCompatibleDC(impl->hdc); - surface->drawBitmap = CreateCompatibleBitmap( - impl->hdc, (int)view->frame.width, (int)view->frame.height); - - DeleteObject(SelectObject(surface->drawDc, surface->drawBitmap)); - - return PUGL_SUCCESS; -} - -static PuglStatus -puglWinCairoDestroyDrawContext(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - DeleteDC(surface->drawDc); - DeleteObject(surface->drawBitmap); - - surface->drawDc = NULL; - surface->drawBitmap = NULL; - - return PUGL_SUCCESS; -} - -static PuglStatus -puglWinCairoConfigure(PuglView* view) -{ - const PuglStatus st = puglWinStubConfigure(view); - - if (!st) { - view->impl->surface = (PuglWinCairoSurface*)calloc( - 1, sizeof(PuglWinCairoSurface)); - } - - return st; -} - -static void -puglWinCairoClose(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - cairo_surface_destroy(surface->surface); - - surface->surface = NULL; -} - -static PuglStatus -puglWinCairoOpen(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - if (!(surface->surface = cairo_win32_surface_create(surface->drawDc)) || - cairo_surface_status(surface->surface) || - !(surface->cr = cairo_create(surface->surface)) || - cairo_status(surface->cr)) { - return PUGL_CREATE_CONTEXT_FAILED; - } - - return PUGL_SUCCESS; -} - -static PuglStatus -puglWinCairoDestroy(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - puglWinCairoClose(view); - puglWinCairoDestroyDrawContext(view); - free(surface); - impl->surface = NULL; - - return PUGL_SUCCESS; -} - -static PuglStatus -puglWinCairoEnter(PuglView* view, const PuglEventExpose* expose) -{ - PuglStatus st = PUGL_SUCCESS; - - if (expose && - !(st = puglWinCairoCreateDrawContext(view)) && - !(st = puglWinCairoOpen(view))) { - PAINTSTRUCT ps; - BeginPaint(view->impl->hwnd, &ps); - } - - return st; -} - -static PuglStatus -puglWinCairoLeave(PuglView* view, const PuglEventExpose* expose) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - if (expose) { - cairo_surface_flush(surface->surface); - BitBlt(impl->hdc, - 0, 0, (int)view->frame.width, (int)view->frame.height, - surface->drawDc, 0, 0, SRCCOPY); - - puglWinCairoClose(view); - puglWinCairoDestroyDrawContext(view); - - PAINTSTRUCT ps; - EndPaint(view->impl->hwnd, &ps); - } - - return PUGL_SUCCESS; -} - -static void* -puglWinCairoGetContext(PuglView* view) -{ - return ((PuglWinCairoSurface*)view->impl->surface)->cr; -} - -const PuglBackend* -puglCairoBackend() -{ - static const PuglBackend backend = {puglWinCairoConfigure, - puglStubCreate, - puglWinCairoDestroy, - puglWinCairoEnter, - puglWinCairoLeave, - puglWinCairoGetContext}; - - return &backend; -} |