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Diffstat (limited to 'pugl/pugl_win_cairo.c')
| -rw-r--r-- | pugl/pugl_win_cairo.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/pugl/pugl_win_cairo.c b/pugl/pugl_win_cairo.c deleted file mode 100644 index 0d2fb5f..0000000 --- a/pugl/pugl_win_cairo.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - Copyright 2012-2019 David Robillard <http://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 pugl_win_cairo.c Cairo graphics backend for Windows. -*/ - -#include "pugl/pugl_cairo_backend.h" -#include "pugl/pugl_internal_types.h" -#include "pugl/pugl_win.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 int -puglWinCairoCreateDrawContext(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - surface->drawDc = CreateCompatibleDC(impl->hdc); - surface->drawBitmap = CreateCompatibleBitmap( - impl->hdc, view->width, view->height); - - DeleteObject(SelectObject(surface->drawDc, surface->drawBitmap)); - - cairo_status_t st = CAIRO_STATUS_SUCCESS; - if (!(surface->surface = cairo_win32_surface_create(surface->drawDc)) || - (st = cairo_surface_status(surface->surface)) || - !(surface->cr = cairo_create(surface->surface)) || - (st = cairo_status(surface->cr))) { - return PUGL_ERR_CREATE_CONTEXT; - } - - cairo_save(surface->cr); - return 0; -} - -static int -puglWinCairoDestroyDrawContext(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - DeleteDC(surface->drawDc); - DeleteObject(surface->drawBitmap); - cairo_destroy(surface->cr); - cairo_surface_destroy(surface->surface); - - surface->surface = NULL; - surface->cr = NULL; - surface->drawDc = NULL; - surface->drawBitmap = NULL; - - return 0; -} - -static int -puglWinCairoConfigure(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglStatus st = PUGL_SUCCESS; - - if ((st = puglWinCreateWindow(view, "Pugl", &impl->hwnd, &impl->hdc))) { - return st; - } - - impl->pfd = puglWinGetPixelFormatDescriptor(&view->hints); - impl->pfId = ChoosePixelFormat(impl->hdc, &impl->pfd); - - if (!SetPixelFormat(impl->hdc, impl->pfId, &impl->pfd)) { - ReleaseDC(impl->hwnd, impl->hdc); - DestroyWindow(impl->hwnd); - impl->hwnd = NULL; - impl->hdc = NULL; - return PUGL_ERR_SET_FORMAT; - } - - impl->surface = (PuglWinCairoSurface*)calloc( - 1, sizeof(PuglWinCairoSurface)); - - return 0; -} - -static int -puglWinCairoCreate(PuglView* view) -{ - return puglWinCairoCreateDrawContext(view); -} - -static int -puglWinCairoDestroy(PuglView* view) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - - puglWinCairoDestroyDrawContext(view); - free(surface); - impl->surface = NULL; - - return 0; -} - -static int -puglWinCairoEnter(PuglView* view, bool drawing) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - if (!drawing) { - return 0; - } - - PAINTSTRUCT ps; - BeginPaint(view->impl->hwnd, &ps); - cairo_save(surface->cr); - - return 0; -} - -static int -puglWinCairoLeave(PuglView* view, bool drawing) -{ - PuglInternals* const impl = view->impl; - PuglWinCairoSurface* const surface = (PuglWinCairoSurface*)impl->surface; - if (!drawing) { - return 0; - } - - cairo_restore(surface->cr); - cairo_surface_flush(surface->surface); - BitBlt(impl->hdc, 0, 0, view->width, view->height, - surface->drawDc, 0, 0, SRCCOPY); - - PAINTSTRUCT ps; - EndPaint(view->impl->hwnd, &ps); - SwapBuffers(view->impl->hdc); - - return 0; -} - -static int -puglWinCairoResize(PuglView* view, - int width, - int height) -{ - view->width = width; - view->height = height; - int st = 0; - if ((st = puglWinCairoDestroyDrawContext(view)) || - (st = puglWinCairoCreateDrawContext(view))) { - fprintf(stderr, "ERR\n"); - return st; - } - - return 0; -} - -static void* -puglWinCairoGetContext(PuglView* view) -{ - return ((PuglWinCairoSurface*)view->impl->surface)->cr; -} - -const PuglBackend* -puglCairoBackend() -{ - static const PuglBackend backend = { - puglWinCairoConfigure, - puglWinCairoCreate, - puglWinCairoDestroy, - puglWinCairoEnter, - puglWinCairoLeave, - puglWinCairoResize, - puglWinCairoGetContext - }; - - return &backend; -} |