Method

Gsk.Renderer.render

Declaration [src]

void
gsk_renderer_render (
  GskRenderer* renderer,
  GskRenderNode* root,
  const cairo_region_t* region
)

Description [src]

Renders the scene graph, described by a tree of GskRenderNode instances, ensuring that the given region gets redrawn.

Renderers must ensure that changes of the contents given by the root node as well as the area given by region are redrawn. They are however free to not redraw any pixel outside of region if they can guarantee that it didn’t change.

The renderer will acquire a reference on the GskRenderNode tree while the rendering is in progress.

Parameters

root GskRenderNode
 

a GskRenderNode

 Ownership is not transferred to the callee
region const cairo_region_t*
 

the cairo_region_t that must be redrawn or NULL for the whole window

 Can be NULL
 Ownership is not transferred to the callee