Namespace

Gsk – 4.0

The GTK toolkit

Version	4.13.4
Authors	GTK Development Team
License	LGPL-2.1-or-later
Website	https://www.gtk.org
Source	https://gitlab.gnome.org/GNOME/gtk/

Build

C headers	`gsk/gsk.h`
pkg-config files	`gtk4`

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

Additional 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 `GskPath` and `GskFillRule` with the child node. unstable since: 4.14
GLRenderer	since: 4.0
GLShader	A `GskGLShader` is a snippet of GLSL that is meant to run in the fragment shader of the rendering pipeline. 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	`GskRenderer` is a class that renders a scene graph defined via a tree of `GskRenderNode` instances. since: 4.0
RenderNode	`GskRenderNode` is the basic block in a scene graph to be rendered using `GskRenderer`. 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 `GskPath` using the `GskStroke` attributes. 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 `GdkTexture`. since: 4.0
TextureScaleNode	A render node for a `GdkTexture`. since: 4.10
TransformNode	A render node applying a `GskTransform` to its single child node. 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 `GskPath` describes lines and curves that are more complex than simple rectangles. unstable since: 4.14
PathBuilder	`GskPathBuilder` is an auxiliary object for constructing `GskPath` objects. unstable since: 4.14
PathMeasure	`GskPathMeasure` is an object that allows measurements on `GskPath`s such as determining the length of the path. unstable since: 4.14
PathPoint	`GskPathPoint` is an opaque type representing a point on a path. unstable since: 4.14
RoundedRect	A rectangular region with rounded corners. since: 4.0
ShaderArgsBuilder	An object to build the uniforms data for a `GskGLShader`. since: 4.0
Shadow	The shadow parameters in a shadow node. since: 4.0
Stroke	A `GskStroke` struct collects the parameters that influence the operation of stroking a path. unstable since: 4.14
Transform	`GskTransform` is an object to describe transform matrices. since: 4.0

Enumerations

BlendMode	The blend modes available for render nodes. since: 4.0
Corner	The corner indices used by `GskRoundedRect`. since: 4.0
FillRule	`GskFillRule` is used to select how paths are filled. unstable since: 4.14
GLUniformType	This defines the types of the uniforms that `GskGLShaders` declare. 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 `GskPathDirection` enum are used to pick one of the four tangents at a given point on the path. unstable since: 4.14
PathOperation	Path operations are used to describe the segments of a `GskPath`. 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 gsk_path_foreach() to influence what kinds of operations the path is decomposed into.

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 `GskRenderNode` stored inside the given `value`, and acquires a reference to it. since: 4.6
value_get_render_node	Retrieves the `GskRenderNode` stored inside the given `value`. since: 4.6
value_set_render_node	Stores the given `GskRenderNode` inside `value`. since: 4.6
value_take_render_node	Stores the given `GskRenderNode` inside `value`. since: 4.6

Function Macros

ROUNDED_RECT_INIT

Initializes a GskRoundedRect when declaring it. All corner sizes will be initialized to 0.

since: 4.0

VALUE_HOLDS_RENDER_NODE

Evaluates to TRUE if value was initialized with GSK_TYPE_RENDER_NODE.

since: 4.0