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ImagickPixel::getColorValueQuantum — Description
Gets the quantum value of a color in the ImagickPixel. Return value is a float if ImageMagick was compiled with HDRI, otherwise an integer.
此函数没有参数。
The quantum value of the color element. Float if ImageMagick was compiled with HDRI, otherwise an int.
Example #1 ImagickPixel::getColorValueQuantum()
<?php
$color = new \ ImagickPixel ( 'rgb(128, 5, 255)' );
$colorRed = $color -> getColorValueQuantum (\ Imagick :: COLOR_RED );
$colorGreen = $color -> getColorValueQuantum (\ Imagick :: COLOR_GREEN );
$colorBlue = $color -> getColorValueQuantum (\ Imagick :: COLOR_BLUE );
$colorAlpha = $color -> getColorValueQuantum (\ Imagick :: COLOR_ALPHA );
printf (
"Red: %s Green: %s Blue %s Alpha: %s" ,
$colorRed ,
$colorGreen ,
$colorBlue ,
$colorAlpha
);
?>