GdkDrawingContext *drawing_context;
GskRenderNode *root_node;
GdkDisplay *display;
- cairo_t *cairo_context;
GskProfiler *profiler;
gsk_renderer_unrealize (self);
- g_clear_pointer (&priv->cairo_context, cairo_destroy);
-
g_clear_object (&priv->profiler);
g_clear_object (&priv->display);
g_return_if_fail (priv->is_realized);
g_return_if_fail (GSK_IS_RENDER_NODE (root));
g_return_if_fail (priv->root_node == NULL);
+ g_return_if_fail (GDK_IS_DRAWING_CONTEXT (context));
g_return_if_fail (context == priv->drawing_context);
- if (priv->drawing_context == NULL)
- {
- if (priv->cairo_context == NULL)
- {
- g_critical ("The given GskRenderer instance was not created using "
- "gsk_renderer_create_fallback(), but you forgot to call "
- "gsk_renderer_begin_draw_frame().");
- return;
- }
- }
-
priv->root_node = gsk_render_node_ref (root);
gsk_render_node_make_immutable (priv->root_node);
return GSK_RENDERER_GET_CLASS (renderer)->create_cairo_surface (renderer, format, width, height);
}
-static void
-gsk_renderer_set_cairo_context (GskRenderer *renderer,
- cairo_t *cr)
-{
- GskRendererPrivate *priv = gsk_renderer_get_instance_private (renderer);
-
- g_clear_pointer (&priv->cairo_context, cairo_destroy);
-
- if (cr != NULL)
- priv->cairo_context = cairo_reference (cr);
-}
-
-cairo_t *
-gsk_renderer_get_cairo_context (GskRenderer *renderer)
-{
- GskRendererPrivate *priv = gsk_renderer_get_instance_private (renderer);
-
- return priv->cairo_context;
-}
-
GdkDrawingContext *
gsk_renderer_begin_draw_frame (GskRenderer *renderer,
const cairo_region_t *region)
GSK_RENDERER_GET_CLASS (renderer)->end_draw_frame (renderer, context);
}
-/**
- * gsk_renderer_create_fallback:
- * @renderer: a #GskRenderer
- * @viewport: the viewport for the fallback renderer
- * @cr: a Cairo context
- *
- * Creates a fallback #GskRenderer using the same display and window of
- * the given @renderer, and instructs it to render to a given Cairo
- * context.
- *
- * Typically, you'll use this function to implement fallback rendering
- * of #GskRenderNodes on an intermediate Cairo context, instead of using
- * the drawing context associated to a #GdkWindow's rendering buffer.
- *
- * Returns: (transfer full): a newly created fallback #GskRenderer instance
- *
- * Since: 3.90
- */
-GskRenderer *
-gsk_renderer_create_fallback (GskRenderer *renderer,
- const graphene_rect_t *viewport,
- cairo_t *cr)
-{
- GskRendererPrivate *priv = gsk_renderer_get_instance_private (renderer);
- GskRenderer *res;
-
- g_return_val_if_fail (GSK_IS_RENDERER (renderer), NULL);
- g_return_val_if_fail (cr != NULL, NULL);
-
- res = g_object_new (GSK_TYPE_CAIRO_RENDERER,
- "display", priv->display,
- "scale-factor", priv->scale_factor,
- "viewport", viewport,
- NULL);
-
- gsk_renderer_set_cairo_context (res, cr);
- gsk_renderer_realize (res, priv->window, NULL);
-
- return res;
-}
{
GskRenderer *renderer = gtk_widget_get_renderer (widget);
GtkSnapshot snapshot;
- GskRenderer *fallback;
- graphene_rect_t viewport;
cairo_region_t *clip;
GskRenderNode *node;
- graphene_rect_init (&viewport,
- widget->priv->clip.x - widget->priv->allocation.x,
- widget->priv->clip.y - widget->priv->allocation.y,
- widget->priv->clip.width,
- widget->priv->clip.height);
clip = cairo_region_create_rectangle (&(cairo_rectangle_int_t) {
widget->priv->clip.x - widget->priv->allocation.x,
widget->priv->clip.y - widget->priv->allocation.y,
widget->priv->clip.width,
widget->priv->clip.height});
- fallback = gsk_renderer_create_fallback (renderer, &viewport, cr);
gtk_snapshot_init (&snapshot, renderer, clip, "Fallback<%s>", G_OBJECT_TYPE_NAME (widget));
gtk_widget_snapshot (widget, &snapshot);
node = gtk_snapshot_finish (&snapshot);
if (node != NULL)
{
- gsk_renderer_render (fallback, node, NULL);
+ gsk_render_node_draw (node, cr);
gsk_render_node_unref (node);
}
cairo_region_destroy (clip);
- g_object_unref (fallback);
}
else
{