### Namespace

# Gsk – 4.0

The GTK toolkit

#### Dependencies

Gdk—4.0 |
The GTK windowing system abstraction |

Browse documentation | |

Graphene—1.0 |
A thin layer of mathematical types for 3D libraries |

Browse documentation |

#### Classes

BlendNode |
A render node applying a blending function between its two child nodes. since: 4.0 |

BlurNode |
A render node applying a blur effect to its single child. since: 4.0 |

BorderNode |
A render node for a border. since: 4.0 |

CairoNode |
A render node for a Cairo surface. since: 4.0 |

CairoRenderer |
A GSK renderer that is using cairo. since: 4.0 |

ClipNode |
A render node applying a rectangular clip to its single child node. since: 4.0 |

ColorMatrixNode |
A render node controlling the color matrix of its single child node. since: 4.0 |

ColorNode |
A render node for a solid color. since: 4.0 |

ConicGradientNode |
A render node for a conic gradient. since: 4.0 |

ContainerNode |
A render node that can contain other render nodes. since: 4.0 |

CrossFadeNode |
A render node cross fading between two child nodes. since: 4.0 |

DebugNode |
A render node that emits a debugging message when drawing its child node. since: 4.0 |

FillNode |
A render node filling the area given by unstable since: 4.14 |

GLRenderer |
since: 4.0 |

GLShader |
A since: 4.0 |

GLShaderNode |
A render node using a GL shader when drawing its children nodes. since: 4.0 |

InsetShadowNode |
A render node for an inset shadow. since: 4.0 |

LinearGradientNode |
A render node for a linear gradient. since: 4.0 |

MaskNode |
A render node masking one child node with another. since: 4.10 |

NglRenderer |
since: 4.0 |

OpacityNode |
A render node controlling the opacity of its single child node. since: 4.0 |

OutsetShadowNode |
A render node for an outset shadow. since: 4.0 |

RadialGradientNode |
A render node for a radial gradient. since: 4.0 |

Renderer |
since: 4.0 |

RenderNode |
since: 4.0 |

RepeatingLinearGradientNode |
A render node for a repeating linear gradient. since: 4.0 |

RepeatingRadialGradientNode |
A render node for a repeating radial gradient. since: 4.0 |

RepeatNode |
A render node repeating its single child node. since: 4.0 |

RoundedClipNode |
A render node applying a rounded rectangle clip to its single child. since: 4.0 |

ShadowNode |
A render node drawing one or more shadows behind its single child node. since: 4.0 |

StrokeNode |
A render node that will fill the area determined by stroking the the given
unstable since: 4.14 |

SubsurfaceNode |
A render node that potentially diverts a part of the scene graph to a subsurface. since: 4.0 |

TextNode |
A render node drawing a set of glyphs. since: 4.0 |

TextureNode |
A render node for a since: 4.0 |

TextureScaleNode |
A render node for a since: 4.10 |

TransformNode |
A render node applying a since: 4.0 |

#### Structs

ColorStop |
A color stop in a gradient node. since: 4.0 |

ParseLocation |
A location in a parse buffer. since: 4.0 |

Path |
A unstable since: 4.14 |

PathBuilder |
unstable since: 4.14 |

PathMeasure |
unstable since: 4.14 |

PathPoint |
unstable since: 4.14 |

RoundedRect |
A rectangular region with rounded corners. since: 4.0 |

ShaderArgsBuilder |
An object to build the uniforms data for a since: 4.0 |

Shadow |
The shadow parameters in a shadow node. since: 4.0 |

Stroke |
A unstable since: 4.14 |

Transform |
since: 4.0 |

#### Enumerations

BlendMode |
The blend modes available for render nodes. since: 4.0 |

Corner |
The corner indices used by since: 4.0 |

FillRule |
unstable since: 4.14 |

GLUniformType |
This defines the types of the uniforms that since: 4.0 |

LineCap |
Specifies how to render the start and end points of contours or dashes when stroking. unstable since: 4.14 |

LineJoin |
Specifies how to render the junction of two lines when stroking. unstable since: 4.14 |

MaskMode |
The mask modes available for mask nodes. since: 4.10 |

PathDirection |
The values of the unstable since: 4.14 |

PathOperation |
Path operations are used to describe the segments of a unstable since: 4.14 |

RenderNodeType |
The type of a node determines what the node is rendering. since: 4.0 |

ScalingFilter |
The filters used when scaling texture data. since: 4.0 |

TransformCategory |
The categories of matrices relevant for GSK and GTK. since: 4.0 |

#### Bitfields

PathForeachFlags |
Flags that can be passed to unstable since: 4.14 |

#### Error Domains

SerializationError |
Errors that can happen during (de)serialization. since: 4.0 |

#### Callbacks

ParseErrorFunc |
Type of callback that is called when an error occurs during node deserialization. since: 4.0 |

PathForeachFunc |
Prototype of the callback to iterate through the operations of a path. since: 4.0 |

#### Functions

value_dup_render_node |
Retrieves the since: 4.6 |

value_get_render_node |
Retrieves the since: 4.6 |

value_set_render_node |
Stores the given since: 4.6 |

value_take_render_node |
Stores the given since: 4.6 |

#### Function Macros

ROUNDED_RECT_INIT |
Initializes a since: 4.0 |

VALUE_HOLDS_RENDER_NODE |
Evaluates to since: 4.0 |