static gboolean gtk_css_image_url_parse (GtkCssImage *image, GtkCssParser *parser) { GtkCssImageUrl *url = GTK_CSS_IMAGE_URL (image); GdkPixbuf *pixbuf; GFile *file; cairo_t *cr; GError *error = NULL; GFileInputStream *input; file = _gtk_css_parser_read_url (parser); if (file == NULL) return FALSE; /* We special case resources here so we can use gdk_pixbuf_new_from_resource, which in turn has some special casing for GdkPixdata files to avoid duplicating the memory for the pixbufs */ if (g_file_has_uri_scheme (file, "resource")) { char *uri = g_file_get_uri (file); char *resource_path = g_uri_unescape_string (uri + strlen ("resource://"), NULL); pixbuf = gdk_pixbuf_new_from_resource (resource_path, &error); g_free (resource_path); g_free (uri); } else { input = g_file_read (file, NULL, &error); if (input == NULL) { _gtk_css_parser_take_error (parser, error); return FALSE; } pixbuf = gdk_pixbuf_new_from_stream (G_INPUT_STREAM (input), NULL, &error); g_object_unref (input); } g_object_unref (file); if (pixbuf == NULL) { _gtk_css_parser_take_error (parser, error); return FALSE; } url->surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf)); cr = cairo_create (url->surface); gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0); cairo_paint (cr); cairo_destroy (cr); g_object_unref (pixbuf); return TRUE; }
static gboolean gtk_css_image_url_parse (GtkCssImage *image, GtkCssParser *parser) { GtkCssImageUrl *url = GTK_CSS_IMAGE_URL (image); url->file = _gtk_css_parser_read_url (parser); if (url->file == NULL) return FALSE; return TRUE; }
static gboolean pattern_value_parse (GtkCssParser *parser, GValue *value) { if (_gtk_css_parser_try (parser, "none", TRUE)) { /* nothing to do here */ } else { GError *error = NULL; gchar *path; GdkPixbuf *pixbuf; GFile *file; cairo_surface_t *surface; cairo_pattern_t *pattern; cairo_matrix_t matrix; file = _gtk_css_parser_read_url (parser); if (file == NULL) return FALSE; path = g_file_get_path (file); g_object_unref (file); pixbuf = gdk_pixbuf_new_from_file (path, &error); g_free (path); if (pixbuf == NULL) { _gtk_css_parser_take_error (parser, error); return FALSE; } surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL); pattern = cairo_pattern_create_for_surface (surface); cairo_surface_destroy (surface); cairo_matrix_init_scale (&matrix, gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf)); cairo_pattern_set_matrix (pattern, &matrix); g_object_unref (pixbuf); g_value_take_boxed (value, pattern); } return TRUE; }