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RGtk2 (version 2.12.17)

cairoPatternGetColorStopRgba: cairoPatternGetColorStopRgba

Description

Gets the color and offset information at the given index for a gradient pattern. Values of index are 0 to 1 less than the number returned by cairoPatternGetColorStopCount.

Usage

cairoPatternGetColorStopRgba(pattern, index)

Arguments

index
[integer] index of the stop to return data for

Value

  • A list containing the following elements:
  • retval[CairoStatus] CAIRO_STATUS_SUCCESS, or CAIRO_STATUS_INVALID_INDEX if index is not valid for the given pattern. If the pattern is not a gradient pattern, CAIRO_STATUS_PATTERN_TYPE_MISMATCH is returned.
  • offset[numeric] return value for the offset of the stop, or NULL
  • red[numeric] return value for red component of color, or NULL
  • green[numeric] return value for green component of color, or NULL
  • blue[numeric] return value for blue component of color, or NULL
  • alpha[numeric] return value for alpha component of color, or NULL

Details

Since 1.4