protected function getTransformation(AbstractFileEntity $entity, $file, $width, $height, $mode, $optimize)
{
$transformation = new \Imagine\Filter\Transformation();
if ($optimize) {
// Optimize for web and rotate the images (after thumbnail creation).
$transformation->add(new \Imagine\Filter\Basic\Autorotate(), 101)->add(new \Imagine\Filter\Basic\WebOptimization(), 2);
}
$watermark = $entity->getCollection()->getWatermark();
if ($watermark === null) {
// The image shall not be watermarked.
return $transformation;
}
$imagine = $this->imagineManager->getImagine();
// Check whether the image is big enough to be watermarked.
if ($watermark->getMinSizeX() !== null && $width < $watermark->getMinSizeX()) {
return $transformation;
}
if ($watermark->getMinSizeY() !== null && $height < $watermark->getMinSizeY()) {
return $transformation;
}
// Generate the watermark image. It will already be correctly sized
// for the thumbnail.
if ($mode == 'outbound') {
$wWidth = $width;
$wHeight = $height;
} elseif ($mode == 'inset') {
$imageSize = getimagesize($file);
$ratios = [$width / $imageSize[0], $height / $imageSize[1]];
$wWidth = min($ratios) * $imageSize[0];
$wHeight = min($ratios) * $imageSize[1];
} else {
throw new \LogicException();
}
$watermarkImage = $watermark->getImagineImage($imagine, $this->fontCollection, $wWidth, $wHeight);
$watermarkSize = $watermarkImage->getSize();
// Calculate watermark position. If the position is negative, handle
// it as an offset from the bottom / the right side of the image.
$x = $watermark->getPositionX();
$y = $watermark->getPositionY();
if ($x < 0) {
$x += $wWidth - $watermarkSize->getWidth();
}
if ($y < 0) {
$y += $wHeight - $watermarkSize->getHeight();
}
// If the watermark still exceeds the image's width or height, do
// not watermark the image.
// @todo Probably resize watermark instead?
if ($x < 0 || $y < 0 || $x + $watermarkSize->getWidth() > $wWidth || $y + $watermarkSize->getHeight() > $wHeight) {
return $transformation;
}
$point = new \Imagine\Image\Point($x, $y);
$transformation->add(new \Imagine\Filter\Basic\Paste($watermarkImage, $point), 100);
return $transformation;
}
public function processImage($input, $output, $options = array())
{
if ($this->debug) {
$startTime = microtime(true);
}
if (!is_readable($input)) {
$this->debugmessages[] = 'File not ' . (file_exists($input) ? 'readable' : 'found') . ": {$input} *** Skipping ***";
return false;
}
$this->width = $this->height = null;
if (is_string($options)) {
$options = parse_str($options);
}
// convert an options string to an array if needed
$inputParams = array('options' => $options);
$outputType = pathinfo($output, PATHINFO_EXTENSION);
$outputIsJpg = strncasecmp('jp', $outputType, 2) === 0;
try {
/* initial dimensions */
$image = $this->imagine->open($input);
$size = $image->getSize();
$origWidth = $inputParams['width'] = $size->getWidth();
$origHeight = $inputParams['height'] = $size->getHeight();
if (self::$maxsize && $origWidth * $origHeight > self::$maxsize) {
// if we're using GD we need to check the image will fit in memory
$this->debugmessages[] = "GD: {$input} may exceed available memory ** Skipping **";
return false;
}
/* source crop (start) */
if (isset($options['sw']) || isset($options['sh'])) {
if (empty($options['sw']) || $options['sw'] > $origWidth) {
$newWidth = $origWidth;
} else {
$newWidth = $options['sw'] < 1 ? round($origWidth * $options['sw']) : $options['sw'];
// sw < 1 is a %, >= 1 in px
}
if (empty($options['sh']) || $options['sh'] > $origHeight) {
$newHeight = $origHeight;
} else {
$newHeight = $options['sh'] < 1 ? round($origHeight * $options['sh']) : $options['sh'];
}
if ($newWidth !== $origWidth || $newHeight !== $origHeight) {
// only if something will actually be cropped
if (empty($options['sx'])) {
$cropStartX = isset($options['sx']) ? $options['sx'] : (int) (($origWidth - $newWidth) / 2);
// 0 or center
} else {
$cropStartX = $options['sx'] < 1 ? round($origWidth * $options['sx']) : $options['sx'];
if ($cropStartX + $newWidth > $origWidth) {
$cropStartX = $origWidth - $newWidth;
}
// crop box can't go past the right edge
}
if (empty($options['sy'])) {
$cropStartY = isset($options['sy']) ? $options['sy'] : (int) (($origHeight - $newHeight) / 2);
} else {
$cropStartY = $options['sy'] < 1 ? round($origHeight * $options['sy']) : $options['sy'];
if ($cropStartY + $newHeight > $origHeight) {
$cropStartY = $origHeight - $newHeight;
}
}
$scBox = new Box($newWidth, $newHeight);
$origWidth = $newWidth;
// update input dimensions to the new cropped size
$origHeight = $newHeight;
}
}
$origAR = $origWidth / $origHeight;
// original image aspect ratio
$origAspect = round($origAR, 2);
/* input dimensions */
// use width/height if specified
if (isset($options['w'])) {
$width = $options['w'];
}
if (isset($options['h'])) {
$height = $options['h'];
}
// override with any orientation-specific dimensions
if ($origAspect > 1) {
// landscape
if (isset($options['wl'])) {
$width = $options['wl'];
}
if (isset($options['hl'])) {
$height = $options['hl'];
}
} elseif ($origAspect < 1) {
// portrait
if (isset($options['wp'])) {
$width = $options['wp'];
}
if (isset($options['hp'])) {
$height = $options['hp'];
}
} else {
// square
if (isset($options['ws'])) {
$width = $options['ws'];
}
if (isset($options['hs'])) {
$height = $options['hs'];
}
}
// fill in a missing dimension
$bothDims = true;
if (empty($width)) {
if (empty($height)) {
$height = $origHeight;
$width = $origWidth;
} else {
$width = $height * $origAR;
}
$bothDims = false;
}
if (empty($height)) {
$height = $width / $origAR;
$bothDims = false;
}
$newAR = $width / $height;
/* scale */
if (empty($options['scale'])) {
$requestedMP = $width * $height;
// we'll need this for quality scaling
} else {
$requestedMP = $width * $options['scale'] * $height * $options['scale'];
if (empty($options['aoe'])) {
// if aoe is off, cap scale so image isn't enlarged
$hScale = $origHeight / $height;
$wScale = $origWidth / $width;
$wRequested = $width * $options['scale'];
$hRequested = $height * $options['scale'];
$options['scale'] = $hScale > 1 && $wScale > 1 ? min($hScale, $wScale, $options['scale']) : 1;
}
$options['w'] = $width *= $options['scale'];
$options['h'] = $height *= $options['scale'];
}
if (empty($options['zc']) || !$bothDims) {
/* non-zc sizing */
$newAspect = round($newAR, 2);
// ignore small differences
if ($newAspect < $origAspect) {
// Make sure AR doesn't change. Smaller dimension...
if ($origWidth < $options['w'] && empty($options['aoe'])) {
$options['w'] = $width = $origWidth;
$options['h'] = $width / $newAR;
}
$height = $width / $origAR;
} elseif ($newAspect > $origAspect) {
// ...limits larger
if ($origHeight < $options['h'] && empty($options['aoe'])) {
$options['h'] = $height = $origHeight;
$options['w'] = $height * $newAR;
}
$width = $height * $origAR;
}
$width = round($width);
// clean up
$height = round($height);
/* far */
if (!empty($options['far']) && $bothDims) {
$options['w'] = round($options['w']);
$options['h'] = round($options['h']);
if ($options['w'] > $width || $options['h'] > $height) {
$farPoint = Reductionist::startPoint($options['far'], array($options['w'], $options['h']), array($width, $height));
$farBox = new Box($options['w'], $options['h']);
$this->width = $options['w'];
$this->height = $options['h'];
}
}
} else {
/* zc */
if (empty($options['aoe'])) {
// if the crop box is bigger than the original image, scale it down
if ($width > $origWidth) {
$height = $origWidth / $newAR;
$width = $origWidth;
}
if ($height > $origHeight) {
$width = $origHeight * $newAR;
$height = $origHeight;
}
}
// make sure final image will cover the crop box
$width = round($width);
$height = round($height);
$newWidth = round($height * $origAR);
$newHeight = round($width / $origAR);
if ($newWidth > $width) {
// needs horizontal cropping
$newHeight = $height;
} elseif ($newHeight > $height) {
// needs vertical cropping
$newWidth = $width;
} else {
// no cropping needed, same AR
$newWidth = $width;
$newHeight = $height;
}
$cropStart = Reductionist::startPoint($options['zc'], array($newWidth, $newHeight), array($width, $height));
$cropBox = new Box($width, $height);
$this->width = $width;
$this->height = $height;
$width = $newWidth;
$height = $newHeight;
}
/* source crop (finish) */
if (isset($scBox)) {
$scale = max($width / $origWidth, $height / $origHeight);
if ($scale <= 0.5 && $this->gLib && $image->getFormat() === IMG_JPG) {
$image->resize(new Box(round($inputParams['width'] * $scale), round($inputParams['height'] * $scale)));
$scStart = new \Imagine\Image\Point(round($cropStartX * $scale), round($cropStartY * $scale));
$scBox = new Box(round($scBox->getWidth() * $scale), round($scBox->getHeight() * $scale));
} else {
$scStart = new \Imagine\Image\Point($cropStartX, $cropStartY);
}
$image->crop($scStart, $scBox);
if (abs($scBox->getWidth() - $width) == 1) {
// snap a 1px rounding error to the source crop box
$this->width = $width = $scBox->getWidth();
}
if (abs($scBox->getHeight() - $height) == 1) {
$this->height = $height = $scBox->getHeight();
}
}
/* resize, aoe */
if ($didScale = $width < $origWidth && $height < $origHeight || !empty($options['aoe'])) {
$imgBox = new Box($width, $height);
$image->resize($imgBox);
} elseif (isset($options['qmax']) && empty($options['aoe']) && isset($options['q']) && $outputIsJpg) {
// undersized input image. We'll increase q towards qmax depending on how much it's undersized
$sizeRatio = $requestedMP / (isset($cropBox) ? $this->width * $this->height : $width * $height);
if ($sizeRatio >= 2) {
$options['q'] = $options['qmax'];
} elseif ($sizeRatio > 1) {
$options['q'] += round(($options['qmax'] - $options['q']) * ($sizeRatio - 1));
}
}
/* crop */
if (isset($cropBox)) {
$image->crop($cropStart, $cropBox);
}
/* filters (start) */
if (!empty($options['fltr'])) {
if (!is_array($options['fltr'])) {
$options['fltr'] = array($options['fltr']);
// in case somebody did fltr= instead of fltr[]=
}
$transformation = new \Imagine\Filter\Transformation($this->imagine);
$filterlog = array($this->debug);
foreach ($options['fltr'] as $fltr) {
$filter = explode('|', $fltr);
if ($filter[0] === 'usm') {
// right now only unsharp mask is implemented, sort of
$image->effects()->sharpen();
// radius, amount and threshold are ignored!
} elseif ($filter[0] === 'wmt' || $filter[0] === 'wmi') {
$doApply = true;
$transformation->add(new Filter\Watermark($filter, $filterlog));
}
}
}
/* bg */
if ($hasBG = isset($options['bg']) && !$outputIsJpg || isset($farBox)) {
if (self::$palette === null) {
self::$palette = new \Imagine\Image\Palette\RGB();
}
if (isset($options['bg'])) {
$bgColor = explode('/', $options['bg']);
$bgColor[1] = isset($bgColor[1]) ? $bgColor[1] : 100;
} else {
$bgColor = array(array(255, 255, 255), 100);
}
$backgroundColor = self::$palette->color($bgColor[0], 100 - $bgColor[1]);
if (isset($cropBox)) {
$bgBox = $cropBox;
} elseif (isset($farBox)) {
$bgBox = $farBox;
} elseif (isset($imgBox)) {
$bgBox = $imgBox;
} else {
$bgBox = new Box($width, $height);
}
$image = $this->imagine->create($bgBox, self::$palette->color($bgColor[0], 100 - $bgColor[1]))->paste($this->gLib ? $image->getImage() : $image, isset($farPoint) ? $farPoint : new \Imagine\Image\Point(0, 0));
}
/* filters (finish) */
if (isset($transformation) && !empty($doApply)) {
// apply any filters
try {
$transformation->apply($image);
} catch (\Exception $e) {
$this->debugmessages[] = $e->getMessage();
}
}
/* debug info */
if ($this->debug) {
$debugTime = microtime(true);
$this->debugmessages[] = 'Input options:' . self::formatDebugArray($inputParams['options']);
// print all options, stripping off array()
$changed = array();
// note any options which may have been changed during processing
foreach (array('w', 'h', 'scale', 'q') as $opt) {
if (isset($inputParams['options'][$opt]) && $inputParams['options'][$opt] != $options[$opt]) {
$changed[$opt] = $options[$opt];
}
}
if ($changed) {
$this->debugmessages[] = 'Modified options:' . self::formatDebugArray($changed, true);
}
$this->debugmessages[] = "Original - w: {$inputParams['width']} | h: {$inputParams['height']} " . sprintf("(%2.2f MP)", $inputParams['width'] * $inputParams['height'] / 1000000.0);
if (isset($image->prescalesize)) {
$this->debugmessages[] = "JPEG prescale - w: {$image->prescalesize[0]} | h: {$image->prescalesize[1]} " . sprintf("(%2.2f MP)", $image->prescalesize[0] * $image->prescalesize[1] / 1000000.0);
}
if (isset($scBox)) {
$this->debugmessages[] = "Source area - start: {$scStart} | box: {$scBox}";
}
if (isset($wRequested)) {
$this->debugmessages[] = "Requested - w: " . round($wRequested) . ' | h: ' . round($hRequested);
}
if (!isset($wRequested) || !$didScale) {
$this->debugmessages[] = "New - w: {$width} | h: {$height}" . ($didScale ? '' : ' [Not scaled: same size or insufficient input resolution]');
}
if (isset($farPoint)) {
$this->debugmessages[] = "FAR - start: {$farPoint} | box: {$options['w']}x{$options['h']} px";
}
if (isset($cropBox)) {
$this->debugmessages[] = "ZC - start: {$cropStart} | box: {$cropBox}";
}
if ($hasBG) {
$this->debugmessages[] = "Background color: {$bgColor[0]} | opacity: {$bgColor[1]}";
}
$debugTime = microtime(true) - $debugTime;
}
if (isset($filterlog[1])) {
// add any filter debug output
unset($filterlog[0]);
$this->debugmessages = array_merge($this->debugmessages, $filterlog);
}
/* save */
$outputOpts = array('jpeg_quality' => empty($options['q']) ? $this->defaultQuality : (int) $options['q'], 'format' => empty($options['f']) ? $outputType : $options['f']);
$image->save($output, $outputOpts);
if (!$this->width) {
$this->width = $width;
}
if (!$this->height) {
$this->height = $height;
}
} catch (\Imagine\Exception\Exception $e) {
$this->debugmessages[] = "Input file: {$input}";
$this->debugmessages[] = 'Input options: ' . self::formatDebugArray($inputParams['options']);
$this->debugmessages[] = "*** Error *** {$e->getMessage()}";
return false;
}
/* debug info (timing) */
if ($this->debug) {
$this->debugmessages[] = "Wrote {$output}";
$this->debugmessages[] = "Dimensions: {$this->width}x{$this->height} px";
$this->debugmessages[] = 'Execution time: ' . round((microtime(true) - $startTime - $debugTime) * 1000.0) . ' ms';
}
return true;
}