RenderNode

open class RenderNode(pointer: <Error class: unknown class><<Error class: unknown class>>)

GskRenderNode is the basic block in a scene graph to be rendered using class@Gsk.Renderer.

Each node has a parent, except the top-level node; each node may have children nodes.

Each node has an associated drawing surface, which has the size of the rectangle set when creating it.

Render nodes are meant to be transient; once they have been associated to a class@Gsk.Renderer it's safe to release any reference you have on them. All class@Gsk.RenderNodes are immutable, you can only specify their properties during construction.

Skipped during bindings generation

  • parameter cr: cairo.Context

Inheritors

Constructors

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constructor(pointer: <Error class: unknown class><<Error class: unknown class>>)

Types

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object Companion

Properties

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val gPointer: <Error class: unknown class><<Error class: unknown class>>

Functions

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open fun getBounds(bounds: <Error class: unknown class>)

Retrieves the boundaries of the @node.

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Returns the type of the @node.

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open fun getOpaqueRect(outOpaque: <Error class: unknown class>): Boolean

Gets an opaque rectangle inside the node that GTK can determine to be fully opaque.

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open fun ref(): RenderNode

Acquires a reference on the given GskRenderNode.

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open fun serialize(): <Error class: unknown class>

Serializes the @node for later deserialization via gsk_render_node_deserialize(). No guarantees are made about the format used other than that the same version of GTK will be able to deserialize the result of a call to gsk_render_node_serialize() and gsk_render_node_deserialize() will correctly reject files it cannot open that were created with previous versions of GTK.

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open fun unref()

Releases a reference on the given GskRenderNode.

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open fun writeToFile(filename: String): <Error class: unknown class><Boolean>

This function is equivalent to calling method@Gsk.RenderNode.serialize followed by func@GLib.file_set_contents.