diff options
Diffstat (limited to 'gdk-pixbuf/io-png.c')
| -rw-r--r-- | gdk-pixbuf/io-png.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gdk-pixbuf/io-png.c b/gdk-pixbuf/io-png.c index 5ddca7510..fa35734a7 100644 --- a/gdk-pixbuf/io-png.c +++ b/gdk-pixbuf/io-png.c @@ -358,6 +358,7 @@ struct _LoadContext { png_structp png_read_ptr; png_infop png_info_ptr; + GdkPixbufModuleSizeFunc size_func; GdkPixbufModulePreparedFunc prepare_func; GdkPixbufModuleUpdatedFunc update_func; gpointer notify_user_data; @@ -398,6 +399,7 @@ gdk_pixbuf__png_image_begin_load (GdkPixbufModuleSizeFunc size_func, lc->fatal_error_occurred = FALSE; + lc->size_func = size_func; lc->prepare_func = prepare_func; lc->update_func = update_func; lc->notify_user_data = user_data; @@ -593,7 +595,18 @@ png_info_callback (png_structp png_read_ptr, if (color_type & PNG_COLOR_MASK_ALPHA) have_alpha = TRUE; - lc->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, have_alpha, 8, width, height); + if (lc->size_func) { + gint w = width; + gint h = height; + (* lc->size_func) (&w, &h, lc->notify_user_data); + + if (w == 0 || h == 0) { + lc->fatal_error_occurred = TRUE; + return; + } + } + + lc->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, have_alpha, 8, width, height); if (lc->pixbuf == NULL) { /* Failed to allocate memory */ |