* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-/* $Id: glue.c,v 1.6 2007/06/01 09:23:41 espen Exp $ */
+/* $Id: glue.c,v 1.9 2008/11/06 17:27:39 espen Exp $ */
#include <gdk/gdk.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
+#elif defined (G_OS_WIN32)
+#include <gdk/gdkwin32.h>
#endif
gint clg_gdk_connection_number (GdkDisplay *display)
portable way to find the GdkWindow of a Cairo surface. */
#ifdef GDK_WINDOWING_X11
+ g_return_if_fail (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_XLIB);
+
Display* display = cairo_xlib_surface_get_display (surface);
- Drawable window = cairo_xlib_surface_get_drawable (surface);
- if (display && window)
- return gdk_window_lookup_for_display (window, display);
- else
- return NULL;
+ if (display) {
+ Drawable window = cairo_xlib_surface_get_drawable (surface);
+ if (window)
+ return gdk_window_lookup_for_display (window, display);
+ }
+
+ return NULL;
#elif defined (G_OS_WIN32)
- HDC hdc = cairo_win32_surface_get_dc (surface);
+ HDC hdc = (HDC)cairo_win32_surface_get_dc (surface);
if (hdc)
- return gdk_window_lookup (hdc);
+ return gdk_window_lookup ((GdkNativeWindow)hdc);
else
return NULL;
#else
return NULL;
#endif
}
+
+void clg_gdk_pixbuf_swap_rgb (GdkPixbuf *pixbuf)
+{
+
+ int n_channels = gdk_pixbuf_get_n_channels (pixbuf);
+ guchar *p, *pixels = gdk_pixbuf_get_pixels (pixbuf);
+ int width = gdk_pixbuf_get_width (pixbuf);
+ int height = gdk_pixbuf_get_height (pixbuf);
+ int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
+ int x, y;
+
+ g_assert (gdk_pixbuf_get_bits_per_sample (pixbuf) == 8);
+ g_assert (gdk_pixbuf_get_has_alpha (pixbuf));
+ g_assert (n_channels == 4);
+
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x++) {
+ p = pixels + y * rowstride + x * n_channels;
+ guint tmp = p[0];
+ p[0] = p[2];
+ p[2] = tmp;
+ }
+ }
+}
+