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Diffstat (limited to 'libs/cairo-1.16.0/boilerplate/cairo-boilerplate-wgl.c')
-rw-r--r--libs/cairo-1.16.0/boilerplate/cairo-boilerplate-wgl.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-wgl.c b/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-wgl.c
new file mode 100644
index 0000000..9088177
--- /dev/null
+++ b/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-wgl.c
@@ -0,0 +1,239 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2009 Chris Wilson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Chris Wilson.
+ *
+ * Contributor(s):
+ * Zoxc <zoxc32@gmail.com>
+ */
+
+#include "cairo-boilerplate-private.h"
+
+#include <cairo-gl.h>
+
+static const cairo_user_data_key_t gl_closure_key;
+
+typedef struct _wgl_target_closure {
+ HWND wnd;
+ HDC dc;
+ HGLRC rc;
+ cairo_device_t *device;
+ cairo_surface_t *surface;
+} wgl_target_closure_t;
+
+static void
+_cairo_boilerplate_wgl_cleanup (void *closure)
+{
+ wgl_target_closure_t *wgltc = closure;
+
+ cairo_device_finish (wgltc->device);
+ cairo_device_destroy (wgltc->device);
+
+ wglDeleteContext(wgltc->rc);
+
+ ReleaseDC(wgltc->wnd, wgltc->dc);
+ DestroyWindow (wgltc->wnd);
+
+ free (wgltc);
+}
+
+static void
+_cairo_boilerplate_wgl_create_window (int width,
+ int height,
+ wgl_target_closure_t *wgltc)
+{
+ WNDCLASSEXA wincl;
+ PIXELFORMATDESCRIPTOR pfd;
+ int format;
+ cairo_surface_t *surface;
+
+ ZeroMemory (&wincl, sizeof (WNDCLASSEXA));
+ wincl.cbSize = sizeof (WNDCLASSEXA);
+ wincl.hInstance = GetModuleHandle (0);
+ wincl.lpszClassName = "cairo_boilerplate_wgl_dummy";
+ wincl.lpfnWndProc = DefWindowProcA;
+ wincl.style = CS_OWNDC;
+
+ RegisterClassExA (&wincl);
+
+ wgltc->wnd = CreateWindow ("cairo_boilerplate_wgl_dummy", 0, WS_POPUP, 0, 0, width, height, 0, 0, 0, 0);
+ wgltc->dc = GetDC (wgltc->wnd);
+
+ ZeroMemory (&pfd, sizeof (PIXELFORMATDESCRIPTOR));
+ pfd.nSize = sizeof (PIXELFORMATDESCRIPTOR);
+ pfd.nVersion = 1;
+ pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+ pfd.iPixelType = PFD_TYPE_RGBA;
+ pfd.cColorBits = 24;
+ pfd.cDepthBits = 16;
+ pfd.iLayerType = PFD_MAIN_PLANE;
+
+ format = ChoosePixelFormat (wgltc->dc, &pfd);
+ SetPixelFormat (wgltc->dc, format, &pfd);
+
+ wgltc->rc = wglCreateContext (wgltc->dc);
+ wgltc->device = cairo_wgl_device_create (wgltc->rc);
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_wgl_create_surface (const char *name,
+ cairo_content_t content,
+ double width,
+ double height,
+ double max_width,
+ double max_height,
+ cairo_boilerplate_mode_t mode,
+ void **closure)
+{
+ wgl_target_closure_t *wgltc;
+ cairo_surface_t *surface;
+
+ wgltc = calloc (1, sizeof (wgl_target_closure_t));
+
+ *closure = wgltc;
+
+ _cairo_boilerplate_wgl_create_window(0, 0, wgltc);
+
+ if (width == 0)
+ width = 1;
+ if (height == 0)
+ height = 1;
+
+ wgltc->surface = surface = cairo_gl_surface_create (wgltc->device,
+ content,
+ ceil (width),
+ ceil (height));
+ if (cairo_surface_status (surface)) {
+ _cairo_boilerplate_wgl_cleanup (wgltc);
+ return NULL;
+ }
+
+ return surface;
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_wgl_for_create_window (const char *name,
+ cairo_content_t content,
+ double width,
+ double height,
+ double max_width,
+ double max_height,
+ cairo_boilerplate_mode_t mode,
+ void **closure)
+{
+ wgl_target_closure_t *wgltc;
+ cairo_surface_t *surface;
+
+ wgltc = calloc (1, sizeof (wgl_target_closure_t));
+
+ *closure = wgltc;
+
+ _cairo_boilerplate_wgl_create_window(width, height, wgltc);
+
+ wgltc->surface = surface = cairo_gl_surface_create_for_dc (wgltc->device,
+ wgltc->dc,
+ ceil (width),
+ ceil (height));
+
+ if (cairo_surface_status (surface)) {
+ _cairo_boilerplate_wgl_cleanup (wgltc);
+ return NULL;
+ }
+
+ return surface;
+}
+
+static cairo_status_t
+_cairo_boilerplate_wgl_finish_window (cairo_surface_t *surface)
+{
+ wgl_target_closure_t *wgltc = cairo_surface_get_user_data (surface,
+ &gl_closure_key);
+
+ if (wgltc != NULL && wgltc->surface != NULL) {
+ cairo_t *cr;
+
+ cr = cairo_create (wgltc->surface);
+ cairo_surface_set_device_offset (surface, 0, 0);
+ cairo_set_source_surface (cr, surface, 0, 0);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ surface = wgltc->surface;
+ }
+
+ cairo_gl_surface_swapbuffers (surface);
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static void
+_cairo_boilerplate_wgl_synchronize (void *closure)
+{
+ wgl_target_closure_t *wgltc = closure;
+
+ if (cairo_device_acquire (wgltc->device))
+ return;
+
+ glFinish ();
+
+ cairo_device_release (wgltc->device);
+}
+
+static const cairo_boilerplate_target_t targets[] = {
+ {
+ "gl", "gl", NULL, NULL,
+ CAIRO_SURFACE_TYPE_GL, CAIRO_CONTENT_COLOR_ALPHA, 1,
+ "cairo_gl_surface_create",
+ _cairo_boilerplate_wgl_create_surface,
+ cairo_surface_create_similar,
+ NULL, NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_wgl_cleanup,
+ _cairo_boilerplate_wgl_synchronize,
+ NULL,
+ TRUE, FALSE, FALSE
+ },
+ {
+ "gl-dc", "gl", NULL, NULL,
+ CAIRO_SURFACE_TYPE_GL, CAIRO_CONTENT_COLOR_ALPHA, 1,
+ "cairo_gl_surface_create_for_dc",
+ _cairo_boilerplate_wgl_for_create_window,
+ NULL,
+ _cairo_boilerplate_wgl_finish_window,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_wgl_cleanup,
+ _cairo_boilerplate_wgl_synchronize,
+ NULL,
+ FALSE, FALSE, FALSE
+ },
+};
+
+CAIRO_BOILERPLATE (wgl, targets)
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