PangoRenderer: PangoRenderer
In RGtk2: R Bindings for Gtk 2.8.0 and Above

Description Methods and Functions Hierarchy Detailed Description Structures Enums and Flags Author(s) References

Rendering driver base class

pangoRendererDrawLayout(object, layout, x, y)
pangoRendererDrawLayoutLine(object, line, x, y)
pangoRendererDrawGlyphs(object, font, glyphs, x, y)
pangoRendererDrawGlyphItem(object, text, glyph.item, x, y)
pangoRendererDrawRectangle(object, part, x, y, width, height)
pangoRendererDrawErrorUnderline(object, x, y, width, height)
pangoRendererDrawTrapezoid(object, part, y1., x11, x21, y2, x12, x22)
pangoRendererDrawGlyph(object, font, glyph, x, y)
pangoRendererActivate(object)
pangoRendererDeactivate(object)
pangoRendererPartChanged(object, part)
pangoRendererSetColor(object, part, color)
pangoRendererGetColor(object, part)
pangoRendererSetMatrix(object, matrix)
pangoRendererGetMatrix(object)
pangoRendererGetLayout(renderer)
pangoRendererGetLayoutLine(renderer)

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GObject
   +----PangoRenderer
         +----PangoXftRenderer

PangoRenderer is a base class that contains the necessary logic for rendering a PangoLayout or PangoLayoutLine. By subclassing PangoRenderer and overriding operations such as draw.glyphs and draw.rectangle, renderers for particular font backends and destinations can be created.

PangoRenderer

PangoRenderer is a base class for objects that are used to render Pango objects such as PangoGlyphString and PangoLayout. Since 1.8

matrix: [PangoMatrix] the current transformation matrix for the Renderer; may be NULL, which should be treated the same as the identity matrix.

PangoRenderPart

PangoRenderPart defines different items to render for such purposes as setting colors. Since 1.8