cairoPatternAddColorStopRgb {RGtk2}R Documentation

cairoPatternAddColorStopRgb

Description

Adds an opaque color stop to a gradient pattern. The offset specifies the location along the gradient's control vector. For example, a linear gradient's control vector is from (x0,y0) to (x1,y1) while a radial gradient's control vector is from any point on the start circle to the corresponding point on the end circle.

Usage

cairoPatternAddColorStopRgb(pattern, offset, red, green, blue)

Arguments

pattern [CairoPattern] a CairoPattern
offset [numeric] an offset in the range [0.0 .. 1.0]
red [numeric] red component of color
green [numeric] green component of color
blue [numeric] blue component of color

Details

The color is specified in the same way as in cairoSetSourceRgb.

Note: If the pattern is not a gradient pattern, (eg. a linear or radial pattern), then the pattern will be put into an error status with a status of CAIRO_STATUS_PATTERN_TYPE_MISMATCH.

Author(s)

Derived by RGtkGen from GTK+ documentation


[Package RGtk2 version 2.12.5-3 Index]