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Imagick::shearImage

(PECL imagick 2, PECL imagick 3)

Imagick::shearImageCreating a parallelogram

Descrizione

public Imagick::shearImage(mixed $background, float $x_shear, float $y_shear): bool

Slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, x_shear is measured relative to the Y axis, and similarly, for Y direction shears y_shear is measured relative to the X axis. Empty triangles left over from shearing the image are filled with the background color.

Elenco dei parametri

background

The background color

x_shear

The number of degrees to shear on the x axis

y_shear

The number of degrees to shear on the y axis

Valori restituiti

Restituisce true in caso di successo.

Log delle modifiche

Versione Descrizione
PECL imagick 2.1.0 Now allows a string representing the color as the first parameter. Previous versions allow only an ImagickPixel object.

Esempi

Example #1 Imagick::shearImage()

<?php
function shearImage($imagePath, $color, $shearX, $shearY) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->shearimage($color, $shearX, $shearY);
header("Content-Type: image/jpg");
echo
$imagick->getImageBlob();
}

?>

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User Contributed Notes 1 note

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0
raja at tweetchennai dot com
14 years ago
Eg:

<?php
$image
= new Imagick('pic.png');
$image ->shearImage('grey', 10 , 5);
$image ->writeImage('final.png');
?>
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