PHP Handbuch
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# imagecopymergegray

(PHP 4 >= 4.0.6)

imagecopymergegray -- Copy and merge part of an image with gray scale

## Description

int imagecopymergegray ( resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct)

imagecopymergegray() copy a part of `src_im` onto `dst_im` starting at the x,y coordinates `src_x`, `src_y` with a width of `src_w` and a height of `src_h`. The portion defined will be copied onto the x,y coordinates, `dst_x` and `dst_y`. The two images will be merged according to `pct` which can range from 0 to 100. When `pct` = 0, no action is taken, when 100 this function behaves identically to imagecopy().

This function is identical to imagecopymerge() except that when merging it preservese the hue of the source by converting the destination pixels to gray scale before the copy operation.

> Anmerkung: This function was added in PHP 4.0.6

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