RGtk2 (version 2.8.7)

gdkPixbufRenderThresholdAlpha: gdkPixbufRenderThresholdAlpha

Description

Takes the opacity values in a rectangular portion of a pixbuf and thresholds them to produce a bi-level alpha mask that can be used as a clipping mask for a drawable.

Usage

gdkPixbufRenderThresholdAlpha(object, bitmap, src.x, src.y, dest.x, dest.y, width = -1, height = -1, alpha.threshold)