pango/org.gtkkn.bindings.pango/Renderer

Renderer

abstract class Renderer(val pangoRendererPointer: <Error class: unknown class><<Error class: unknown class>>)(source)

PangoRenderer is a base class for objects that can render text provided as PangoGlyphString or PangoLayout.

By subclassing PangoRenderer and overriding operations such as

Since

1.8

Inheritors

RendererImpl

Constructors

Renderer

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

Types

Companion

object Companion

RendererImpl

class RendererImpl(pointer: <Error class: unknown class><<Error class: unknown class>>) : Renderer

The RendererImpl type represents a native instance of the abstract Renderer class.

Properties

pangoRendererPointer

val pangoRendererPointer: <Error class: unknown class><<Error class: unknown class>>

Functions

activate

open fun activate()

Does initial setup before rendering operations on @renderer.

deactivate

open fun deactivate()

Cleans up after rendering operations on @renderer.

drawErrorUnderline

open fun drawErrorUnderline(x: <Error class: unknown class>, y: <Error class: unknown class>, width: <Error class: unknown class>, height: <Error class: unknown class>)

Draw a squiggly line that approximately covers the given rectangle in the style of an underline used to indicate a spelling error.

drawGlyph

open fun drawGlyph(font: Font, glyph: <Error class: unknown class>, x: <Error class: unknown class>, y: <Error class: unknown class>)

Draws a single glyph with coordinates in device space.

drawGlyphItem

open fun drawGlyphItem(text: String? = null, glyphItem: GlyphItem, x: <Error class: unknown class>, y: <Error class: unknown class>)

Draws the glyphs in @glyph_item with the specified PangoRenderer, embedding the text associated with the glyphs in the output if the output format supports it.

drawGlyphs

open fun drawGlyphs(font: Font, glyphs: GlyphString, x: <Error class: unknown class>, y: <Error class: unknown class>)

Draws the glyphs in @glyphs with the specified PangoRenderer.

drawLayout

open fun drawLayout(layout: Layout, x: <Error class: unknown class>, y: <Error class: unknown class>)

Draws @layout with the specified PangoRenderer.

drawLayoutLine

open fun drawLayoutLine(line: LayoutLine, x: <Error class: unknown class>, y: <Error class: unknown class>)

Draws @line with the specified PangoRenderer.

drawRectangle

open fun drawRectangle(part: RenderPart, x: <Error class: unknown class>, y: <Error class: unknown class>, width: <Error class: unknown class>, height: <Error class: unknown class>)

Draws an axis-aligned rectangle in user space coordinates with the specified PangoRenderer.

drawTrapezoid

open fun drawTrapezoid(part: RenderPart, y1: <Error class: unknown class>, x11: <Error class: unknown class>, x21: <Error class: unknown class>, y2: <Error class: unknown class>, x12: <Error class: unknown class>, x22: <Error class: unknown class>)

Draws a trapezoid with the parallel sides aligned with the X axis using the given PangoRenderer; coordinates are in device space.

getAlpha