diff options
| -rw-r--r-- | src/cairo-ps-surface.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/cairo-ps-surface.c b/src/cairo-ps-surface.c index ce98eb14..7306f4c4 100644 --- a/src/cairo-ps-surface.c +++ b/src/cairo-ps-surface.c @@ -1337,9 +1337,31 @@ color_is_gray (cairo_color_t *color) static cairo_bool_t surface_pattern_supported (const cairo_surface_pattern_t *pattern) { - if (pattern->surface->backend->acquire_source_image != NULL) + cairo_extend_t extend; + + if (pattern->surface->backend->acquire_source_image == NULL) + return FALSE; + + /* Does an ALPHA-only source surface even make sense? Maybe, but I + * don't think it's worth the extra code to support it. */ + +/* XXX: Need to write this function here... + content = cairo_surface_get_content (pattern->surface); + if (content == CAIRO_CONTENT_ALPHA) + return FALSE; +*/ + + extend = cairo_pattern_get_extend (&pattern->base); + switch (extend) { + case CAIRO_EXTEND_NONE: + case CAIRO_EXTEND_REPEAT: return TRUE; + case CAIRO_EXTEND_REFLECT: + case CAIRO_EXTEND_PAD: + return FALSE; + } + ASSERT_NOT_REACHED; return FALSE; } |