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ImagickPixel::getColorValueQuantum

(PECL imagick 2 >= 2.3.0, PECL imagick 3)

ImagickPixel::getColorValueQuantum — Description

說(shuō)明

public ImagickPixel::getColorValueQuantum(int $color): int|float

Gets the quantum value of a color in the ImagickPixel. Return value is a float if ImageMagick was compiled with HDRI, otherwise an integer.

參數

此函數沒(méi)有參數。

返回值

The quantum value of the color element. Float if ImageMagick was compiled with HDRI, otherwise an int.

范例

示例 #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
        );

?>

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