+wxBitmap wxMask::GetBitmap() const
+{
+ wxBitmap bitmap;
+ if (m_bitmap)
+ {
+#ifdef __WXGTK3__
+ cairo_surface_t* mask = m_bitmap;
+ const int w = cairo_image_surface_get_width(mask);
+ const int h = cairo_image_surface_get_height(mask);
+ GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, w, h);
+ const guchar* src = cairo_image_surface_get_data(mask);
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+ const int stride_src = cairo_image_surface_get_stride(mask);
+ const int stride_dst = gdk_pixbuf_get_rowstride(pixbuf);
+ for (int j = 0; j < h; j++, src += stride_src, dst += stride_dst)
+ {
+ guchar* d = dst;
+ for (int i = 0; i < w; i++, d += 3)
+ {
+ d[0] = src[i];
+ d[1] = src[i];
+ d[2] = src[i];
+ }
+ }
+ bitmap = wxBitmap(pixbuf, 1);
+#else
+ GdkPixmap* mask = m_bitmap;
+ int w, h;
+ gdk_drawable_get_size(mask, &w, &h);
+ GdkPixmap* pixmap = gdk_pixmap_new(mask, w, h, -1);
+ GdkGC* gc = gdk_gc_new(pixmap);
+ gdk_gc_set_function(gc, GDK_COPY_INVERT);
+ gdk_draw_drawable(pixmap, gc, mask, 0, 0, 0, 0, w, h);
+ g_object_unref(gc);
+ bitmap = wxBitmap(pixmap);
+#endif
+ }
+ return bitmap;
+}
+