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# ImageColorTransparent

ImageColorTransparent -- define a color as transparent

## Description

`int imagecolortransparent`(int im, int [col]);

ImageColorTransparent sets the transparent color in the im image to col. im is the image identifier returned by imagecreate() and col is a color identifier returned by imagecolorallocate().

The identifier of the new (or current, if none is specified) transparent color is returned.

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