PHP. Руководство по PHP. 2005
imagecolorsforindex
Пред.
След.
imagecolorsforindex
(PHP 3, PHP 4, PHP 5)imagecolorsforindex -- Get the colors for an index
Description
array imagecolorsforindex (resource image, int index)
This returns an associative array with red, green, blue and alpha keys that contain the appropriate values for the specified color index.
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Пример 1. imagecolorsforindex() example
<?php
// open an image
$im = imagecreatefrompng('nexen.png');
// get a color
$start_x = 40;
$start_y = 50;
$color_index = imagecolorat($im, $start_x, $start_y);
// make it human readable
$color_tran = imagecolorsforindex($im, $color_index);
// what is it ?
echo '<pre>';
print_r($color_tran);
echo '</pre>';
?>
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This example will output :
Array
([red] => 226 [green] => 222 [blue] => 252 [alpha] => 0
)
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See also imagecolorat() and imagecolorexact().
Пред.
Начало
След.
imagecolorset
Уровень выше
imagecolorstotal
