note 6849 modified in ImageColorsForIndex by ronabop
| From: | ronabop@php.net | Date: | Wed, 04 Oct 2000 14:53:26 +0000 |
| Subject: | note 6849 modified in ImageColorsForIndex by ronabop | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-6034@lists.php.net to get a copy of this message | ||
For example:
<?
$im = ImageCreateFromJpeg(./test.jpeg);
$start_x = 40; $start_y = 50;
$color_index = imagecolorat($im, $start_x, $start_y);
$color_tran = imagecolorsforindex($im, $color_index);
$color_set =
ImageColorAllocate($im,$color_tran["red"],$color_tran["green"],$color_tran["blue"]);
?\>
$color_tran is a RGB array of the point (40,50)
Note: $color_tran[0] 's value is NULL
http://www.php.net/manual/function.imagecolorsforindex.php