void
rsvg_defs_resolve_all (RsvgDefs * defs)
{
while (defs->toresolve) {
RsvgResolutionPending *data;
data = defs->toresolve->data;
*(data->tochange) = rsvg_defs_lookup (defs, data->name);
g_free (data->name);
g_free (data);
defs->toresolve = g_slist_delete_link (defs->toresolve, defs->toresolve);
}
}
RsvgNode *
rsvg_clip_path_parse (const RsvgDefs * defs, const char *str)
{
char *name;
name = rsvg_get_url_string (str);
if (name) {
RsvgNode *val;
val = rsvg_defs_lookup (defs, name);
g_free (name);
if (val && (!strcmp (val->type->str, "clipPath")))
return val;
}
return NULL;
}
RsvgNode *
rsvg_marker_parse (const RsvgDefs * defs, const char *str)
{
char *name;
name = rsvg_get_url_string (str);
if (name) {
RsvgNode *val;
val = rsvg_defs_lookup (defs, name);
g_free (name);
if (val && RSVG_NODE_TYPE (val) == RSVG_NODE_TYPE_MARKER)
return val;
}
return NULL;
}
/**
* rsvg_handle_render_cairo_sub:
* @handle: A RsvgHandle
* @cr: A Cairo renderer
* @id: An element's id within the SVG, or %NULL to render the whole SVG. For
* example, if you have a layer called "layer1" that you wish to render, pass
* "##layer1" as the id.
*
* Draws a subset of a SVG to a Cairo surface
*
* Returns: %TRUE if drawing succeeded.
*
* Since: 2.14
*/
gboolean
rsvg_handle_render_cairo_sub (RsvgHandle * handle, cairo_t * cr, const char *id)
{
RsvgDrawingCtx *draw;
RsvgNode *drawsub = NULL;
g_return_val_if_fail (handle != NULL, FALSE);
if (!handle->priv->finished)
return FALSE;
if (id && *id)
drawsub = rsvg_defs_lookup (handle->priv->defs, id);
if (drawsub == NULL && id != NULL) {
/* todo: there's no way to signal that @id doesn't exist */
return FALSE;
}
draw = rsvg_cairo_new_drawing_ctx (cr, handle);
if (!draw)
return FALSE;
while (drawsub != NULL) {
draw->drawsub_stack = g_slist_prepend (draw->drawsub_stack, drawsub);
drawsub = drawsub->parent;
}
rsvg_state_push (draw);
cairo_save (cr);
rsvg_node_draw ((RsvgNode *) handle->priv->treebase, draw, 0);
cairo_restore (cr);
rsvg_state_pop (draw);
rsvg_drawing_ctx_free (draw);
return TRUE;
}
