diff options
Diffstat (limited to 'src/cairo-surface.c')
| -rw-r--r-- | src/cairo-surface.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/src/cairo-surface.c b/src/cairo-surface.c index f07a0f6ca..9caacbb13 100644 --- a/src/cairo-surface.c +++ b/src/cairo-surface.c @@ -518,6 +518,8 @@ cairo_surface_create_similar (cairo_surface_t *other, int height) { cairo_surface_t *surface; + cairo_status_t status; + cairo_solid_pattern_t pattern; if (unlikely (other->status)) return _cairo_surface_create_in_error (other->status); @@ -529,9 +531,34 @@ cairo_surface_create_similar (cairo_surface_t *other, if (unlikely (! CAIRO_CONTENT_VALID (content))) return _cairo_surface_create_in_error (CAIRO_STATUS_INVALID_CONTENT); - surface = _cairo_surface_create_similar_solid (other, - content, width, height, - CAIRO_COLOR_TRANSPARENT); + if (unlikely (other->status)) + return _cairo_surface_create_in_error (other->status); + + surface = NULL; + if (other->backend->create_similar) + surface = other->backend->create_similar (other, content, width, height); + if (surface == NULL) + surface = cairo_surface_create_similar_image (other, + _cairo_format_from_content (content), + width, height); + + if (unlikely (surface->status)) + return surface; + + _cairo_surface_copy_similar_properties (surface, other); + + if (unlikely (surface->status)) + return surface; + + _cairo_pattern_init_solid (&pattern, CAIRO_COLOR_TRANSPARENT); + status = _cairo_surface_paint (surface, + CAIRO_OPERATOR_CLEAR, + &pattern.base, NULL); + if (unlikely (status)) { + cairo_surface_destroy (surface); + surface = _cairo_surface_create_in_error (status); + } + assert (surface->is_clear); return surface; |