mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
106 lines
3.0 KiB
Diff
106 lines
3.0 KiB
Diff
Author: Jeff Muizelaar <jmuizelaar@mozilla.com>
|
|
diff --git a/src/cairo-surface.c b/src/cairo-surface.c
|
|
index 8278694..12f6242 100644
|
|
--- a/src/cairo-surface.c
|
|
+++ b/src/cairo-surface.c
|
|
@@ -1530,6 +1530,70 @@ _cairo_recording_surface_clone_similar (cairo_surface_t *surface,
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
+struct acquire_source_image_data
|
|
+{
|
|
+ cairo_surface_t *src;
|
|
+ cairo_image_surface_t *image;
|
|
+ void *image_extra;
|
|
+};
|
|
+
|
|
+static void
|
|
+_wrap_release_source_image (void *data)
|
|
+{
|
|
+ struct acquire_source_image_data *acquire_data = data;
|
|
+ _cairo_surface_release_source_image (acquire_data->src,
|
|
+ acquire_data->image,
|
|
+ acquire_data->image_extra);
|
|
+ free(data);
|
|
+}
|
|
+
|
|
+static cairo_status_t
|
|
+_wrap_image (cairo_surface_t *src,
|
|
+ cairo_image_surface_t *image,
|
|
+ void *image_extra,
|
|
+ cairo_image_surface_t **out)
|
|
+{
|
|
+ static cairo_user_data_key_t wrap_image_key;
|
|
+ cairo_image_surface_t *surface;
|
|
+ cairo_status_t status;
|
|
+
|
|
+ struct acquire_source_image_data *data = malloc (sizeof (*data));
|
|
+ if (unlikely (data == NULL))
|
|
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
|
+ data->src = src;
|
|
+ data->image = image;
|
|
+ data->image_extra = image_extra;
|
|
+
|
|
+ surface = (cairo_image_surface_t *)
|
|
+ _cairo_image_surface_create_with_pixman_format (image->data,
|
|
+ image->pixman_format,
|
|
+ image->width,
|
|
+ image->height,
|
|
+ image->stride);
|
|
+ status = surface->base.status;
|
|
+ if (status) {
|
|
+ free (data);
|
|
+ return status;
|
|
+ }
|
|
+
|
|
+ status = _cairo_user_data_array_set_data (&surface->base.user_data,
|
|
+ &wrap_image_key,
|
|
+ data,
|
|
+ _wrap_release_source_image);
|
|
+ if (status) {
|
|
+ cairo_surface_destroy (&surface->base);
|
|
+ free (data);
|
|
+ return status;
|
|
+ }
|
|
+
|
|
+ pixman_image_set_component_alpha (
|
|
+ surface->pixman_image,
|
|
+ pixman_image_get_component_alpha (surface->pixman_image));
|
|
+
|
|
+ *out = surface;
|
|
+ return CAIRO_STATUS_SUCCESS;
|
|
+}
|
|
+
|
|
/**
|
|
* _cairo_surface_clone_similar:
|
|
* @surface: a #cairo_surface_t
|
|
@@ -1606,15 +1670,19 @@ _cairo_surface_clone_similar (cairo_surface_t *surface,
|
|
/* If we failed, try again with an image surface */
|
|
status = _cairo_surface_acquire_source_image (src, &image, &image_extra);
|
|
if (status == CAIRO_STATUS_SUCCESS) {
|
|
- status =
|
|
- surface->backend->clone_similar (surface, &image->base,
|
|
- src_x, src_y,
|
|
- width, height,
|
|
- clone_offset_x,
|
|
- clone_offset_y,
|
|
- clone_out);
|
|
-
|
|
- _cairo_surface_release_source_image (src, image, image_extra);
|
|
+ status = _wrap_image(src, image, image_extra, &image);
|
|
+ if (status != CAIRO_STATUS_SUCCESS) {
|
|
+ _cairo_surface_release_source_image (src, image, image_extra);
|
|
+ } else {
|
|
+ status =
|
|
+ surface->backend->clone_similar (surface, &image->base,
|
|
+ src_x, src_y,
|
|
+ width, height,
|
|
+ clone_offset_x,
|
|
+ clone_offset_y,
|
|
+ clone_out);
|
|
+ cairo_surface_destroy(&image->base);
|
|
+ }
|
|
}
|
|
}
|
|
}
|