Class: Gsk::BlendNode

Inherits:

RenderNode

• Object
• RenderNode
• Gsk::BlendNode

Defined in:

(unknown)

Overview

A render node applying a blending function between its two child nodes.

Instance Method Summary

• #blend_mode ⇒ Gsk::BlendMode

  Retrieves the blend mode used by node.

• #bottom_child ⇒ Gsk::RenderNode

  Retrieves the bottom GskRenderNode child of the node.

• #initialize(bottom, top, blend_mode) ⇒ Gsk::BlendNode constructor

  Creates a GskRenderNode that will use blend_mode to blend the top node onto the bottom node.

• #top_child ⇒ Gsk::RenderNode

  Retrieves the top GskRenderNode child of the node.

Methods inherited from RenderNode

deserialize, #draw, #get_bounds, #node_type, #ref, #serialize, #unref, #write_to_file

Constructor Details

#initialize(bottom, top, blend_mode) ⇒ Gsk::BlendNode

Creates a GskRenderNode that will use blend_mode to blend the top node onto the bottom node.

Parameters:

• bottom (Gsk::RenderNode) —

  The bottom node to be drawn

• top (Gsk::RenderNode) —

  The node to be blended onto the bottom node

• blend_mode (Gsk::BlendMode) —

  The blend mode to use

Instance Method Details

#blend_mode ⇒ Gsk::BlendMode

Retrieves the blend mode used by node.

Returns:

• (Gsk::BlendMode) —

  the blend mode

#bottom_child ⇒ Gsk::RenderNode

Retrieves the bottom GskRenderNode child of the node.

Returns:

• (Gsk::RenderNode) —

  the bottom child node

#top_child ⇒ Gsk::RenderNode

Retrieves the top GskRenderNode child of the node.

Returns:

• (Gsk::RenderNode) —

  the top child node