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|
--TEST--
Test Tutorial, imagickCompositeGen
--SKIPIF--
<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
--FILE--
<?php
$contrast = 10;
$blendMidpoint = 0.5;
function generateBlendImage($height, $overlap, $contrast = 10, $midpoint = 0.5) {
$imagick = new \Imagick();
$imagick->newPseudoImage($height, $overlap, 'gradient:black-white');
$quantum = $imagick->getQuantum();
$imagick->sigmoidalContrastImage(true, $contrast, $midpoint * $quantum);
return $imagick;
}
function mergeImages($outputSize, $overlap, $contrast = 10, $blendMidpoint = 0.5, $horizontal = true) {
$images = array();
$newImageWidth = 0;
$newImageHeight = 0;
if ($horizontal == true) {
$resizeWidth = 0;
$resizeHeight = $outputSize;
}
else {
$resizeWidth = $outputSize;
$resizeHeight = 0;
}
$blendWidth = 0;
$srcImages = array(1, 2, 3);
foreach ($srcImages as $srcImage) {
$nextImage = new \Imagick();
$nextImage->newPseudoImage(640, 480, "magick:logo");
$nextImage->resizeImage($resizeWidth, $resizeHeight, \Imagick::FILTER_LANCZOS, 0.5);
if ($horizontal == true) {
$newImageWidth += $nextImage->getImageWidth();
$blendWidth = $nextImage->getImageHeight();
}
else {
//$newImageWidth = $nextImage->getImageWidth();
$blendWidth = $nextImage->getImageWidth();
$newImageHeight += $nextImage->getImageHeight();
}
$images[] = $nextImage;
}
if ($horizontal == true) {
$newImageWidth -= $overlap * (count($srcImages) - 1);
$newImageHeight = $outputSize;
}
else {
$newImageWidth = $outputSize;
$newImageHeight -= $overlap * (count($srcImages) - 1);
}
if ($blendWidth == 0) {
throw new \Exception("Failed to read source images");
}
$fadeLeftSide = generateBlendImage($blendWidth, $overlap, $contrast, $blendMidpoint);
if ($horizontal == true) {
//We are placing the images horizontally.
$fadeLeftSide->rotateImage('black', -90);
}
//Fade out the left part - need to negate the mask to
//make math correct
$fadeRightSide = clone $fadeLeftSide;
$fadeRightSide->negateimage(false);
//Create a new canvas to render everything in to.
$canvas = new \Imagick();
$canvas->newImage($newImageWidth, $newImageHeight, new \ImagickPixel('black'));
$count = 0;
$imagePositionX = 0;
$imagePositionY = 0;
/** @var $image \Imagick */
foreach ($images as $image) {
$finalBlending = new \Imagick();
$finalBlending->newImage($image->getImageWidth(), $image->getImageHeight(), 'white');
if ($count != 0) {
$finalBlending->compositeImage($fadeLeftSide, \Imagick::COMPOSITE_ATOP, 0, 0);
}
$offsetX = 0;
$offsetY = 0;
if ($horizontal == true) {
$offsetX = $image->getImageWidth() - $overlap;
}
else {
$offsetY = $image->getImageHeight() - $overlap;
}
if ($count != count($images) - 1) {
$finalBlending->compositeImage($fadeRightSide, \Imagick::COMPOSITE_ATOP, $offsetX, $offsetY);
}
$image->compositeImage($finalBlending, \Imagick::COMPOSITE_COPYOPACITY, 0, 0);
$canvas->compositeimage($image, \Imagick::COMPOSITE_BLEND, $imagePositionX, $imagePositionY);
if ($horizontal == true) {
$imagePositionX = $imagePositionX + $image->getImageWidth() - $overlap;
}
else {
$imagePositionY = $imagePositionY + $image->getImageHeight() - $overlap;
}
$count++;
}
return $canvas;
}
function imagickCompositeGen($contrast = 10, $blendMidpoint = 0.5) {
$size = 160;
//Load the images
$output = mergeImages(
$size,
0.2 * $size, //overlap
$contrast,
$blendMidpoint,
true);
//$output = generateBlendImage(200, 200, 5, 0.5);
$output->setImageFormat('png');
$bytes = $output->getImageBlob();
if (strlen($bytes) <= 0) { echo "Failed to generate image.";}
}
imagickCompositeGen($contrast = 10, $blendMidpoint = 0.5) ;
echo "Ok";
?>
--EXPECTF--
Ok
|
