Imagick::tintImage
(PECL imagick 2.0.0)
Imagick::tintImage — Applies a color vector to each pixel in the image
Description
bool Imagick::tintImage ( mixed $tint , mixed $opacity )Applies a color vector to each pixel in the image. The length of the vector is 0 for black and white and at its maximum for the midtones. The vector weighing function is f(x)=(1-(4.0*((x-0.5)*(x-0.5)))).
Parameters
tint opacity
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
Changelog
Version | Description |
|---|---|
2.1.0 | Now allows a string representing the color as the first parameter and a float representing the opacity value as the second parameter. Previous versions allow only an ImagickPixel objects. |
Examples
Example #1 Imagick::tintImage()
<?php
function?tintImage($r,?$g,?$b,?$a)?{
????$a?=?$a?/?100;
????$imagick?=?new?\Imagick();
????$imagick->newPseudoImage(400,?400,?'gradient:black-white');
????$tint?=?new?\ImagickPixel("rgb($r,?$g,?$b)");
????$opacity?=?new?\ImagickPixel("rgb(128,?128,?128,?$a)");
????$imagick->tintImage($tint,?$opacity);
????$imagick->setImageFormat('png');
????header("Content-Type:?image/png");
????echo?$imagick->getImageBlob();
}
?>← Imagick::thumbnailImage
Imagick::__toString →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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