diff options
Diffstat (limited to 'gdk/gdktexture.c')
| -rw-r--r-- | gdk/gdktexture.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/gdk/gdktexture.c b/gdk/gdktexture.c index 9ae9f80944..4afd6ebfdd 100644 --- a/gdk/gdktexture.c +++ b/gdk/gdktexture.c @@ -115,12 +115,23 @@ G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GdkTexture, gdk_texture, G_TYPE_OBJECT, #define GDK_TEXTURE_WARN_NOT_IMPLEMENTED_METHOD(obj,method) \ g_critical ("Texture of type '%s' does not implement GdkTexture::" # method, G_OBJECT_TYPE_NAME (obj)) +static GdkTexture * +gdk_texture_real_download_texture (GdkTexture *self) +{ + GDK_TEXTURE_WARN_NOT_IMPLEMENTED_METHOD (self, download_texture); + return NULL; +} + static void -gdk_texture_real_download (GdkTexture *self, - guchar *data, - gsize stride) +gdk_texture_real_download (GdkTexture *texture, + guchar *data, + gsize stride) { - GDK_TEXTURE_WARN_NOT_IMPLEMENTED_METHOD (self, download); + GdkTexture *memory_texture; + + memory_texture = gdk_texture_download_texture (texture); + gdk_texture_download (memory_texture, data, stride); + g_object_unref (memory_texture); } static void @@ -186,6 +197,7 @@ gdk_texture_class_init (GdkTextureClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + klass->download_texture = gdk_texture_real_download_texture; klass->download = gdk_texture_real_download; gobject_class->set_property = gdk_texture_set_property; @@ -473,6 +485,22 @@ gdk_texture_download (GdkTexture *texture, GDK_TEXTURE_GET_CLASS (texture)->download (texture, data, stride); } +GdkTexture * +gdk_texture_download_texture (GdkTexture *texture) +{ + g_return_val_if_fail (GDK_IS_TEXTURE (texture), NULL); + + g_object_ref (texture); + while (!GDK_IS_MEMORY_TEXTURE (texture)) + { + GdkTexture *downloaded = GDK_TEXTURE_GET_CLASS (texture)->download_texture (texture); + g_object_unref (texture); + texture = downloaded; + } + + return texture; +} + gboolean gdk_texture_set_render_data (GdkTexture *self, gpointer key, |