ImageMagick ImagickDraw::affine
(PECL imagick 2, PECL imagick 3)
ImagickDraw::affine — 현재 affine 변환 행렬을 조정합니다.
설명
public ImagickDraw::affine(array $affine): bool
경고 이 함수는 현재 문서화되어 있지 않습니다. 해당 인수 목록만 사용할 수 있습니다.
지정된 아핀 변환 행렬로 현재 아핀 변환 행렬을 조정합니다.
매개변수
affine- Affine matrix parameters
반환 값
값이 반환되지 않습니다.
Examples
예제 #1 ImagickDraw::affine() 예제:
<?php
function affine($strokeColor, $fillColor, $backgroundColor) {
$draw = new \ImagickDraw();
$draw->setStrokeWidth(1);
$draw->setStrokeOpacity(1);
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->setStrokeWidth(2);
$PI = 3.141592653589794;
$angle = 60 * $PI / 360;
//Scale the drawing co-ordinates.
$affineScale = array("sx" => 1.75, "sy" => 1.75, "rx" => 0, "ry" => 0, "tx" => 0, "ty" => 0);
//Shear the drawing co-ordinates.
$affineShear = array("sx" => 1, "sy" => 1, "rx" => sin($angle), "ry" => -sin($angle), "tx" => 0, "ty" => 0);
//Rotate the drawing co-ordinates. The shear affine matrix
//produces incorrectly scaled drawings.
$affineRotate = array("sx" => cos($angle), "sy" => cos($angle), "rx" => sin($angle), "ry" => -sin($angle), "tx" => 0, "ty" => 0,);
//Translate (offset) the drawing
$affineTranslate = array("sx" => 1, "sy" => 1, "rx" => 0, "ry" => 0, "tx" => 30, "ty" => 30);
//The identiy affine matrix
$affineIdentity = array("sx" => 1, "sy" => 1, "rx" => 0, "ry" => 0, "tx" => 0, "ty" => 0);
$examples = [$affineScale, $affineShear, $affineRotate, $affineTranslate, $affineIdentity,];
$count = 0;
foreach ($examples as $example) {
$draw->push();
$draw->translate(($count % 2) * 250, intval($count / 2) * 250);
$draw->translate(100, 100);
$draw->affine($example);
$draw->rectangle(-50, -50, 50, 50);
$draw->pop();
$count++;
}
//Create an image object which the draw commands can be rendered into
$image = new \Imagick();
$image->newImage(500, 750, $backgroundColor);
$image->setImageFormat("png");
//Render the draw commands in the ImagickDraw object
//into the image.
$image->drawImage($draw);
//Send the image to the browser
header("Content-Type: image/png");
echo $image->getImageBlob();
}
?>