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Add new common Image::scale() method

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- Fix undefined variable $type
This commit is contained in:
Hypolite Petovan 2017-12-17 15:35:07 -05:00
parent 910d3f7b5f
commit a6a2c578f9
1 changed files with 53 additions and 72 deletions
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125
src/Object/Image.php
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@ -142,7 +142,7 @@ class Image
* Setup the image to the format it will be saved to
*/
$map = self::getFormatsMap();
$format = $map[$type];
$format = $map[$this->type];
$this->image->setFormat($format);
// Always coalesce, if it is not a multi-frame image it won't hurt anyway
@ -338,42 +338,7 @@ class Image
}
}
if ($this->isImagick()) {
/*
* If it is not animated, there will be only one iteration here,
* so don't bother checking
*/
// Don't forget to go back to the first frame
$this->image->setFirstIterator();
do {
// FIXME - implement horizantal bias for scaling as in followin GD functions
// to allow very tall images to be constrained only horizontally.
$this->image->scaleImage($dest_width, $dest_height);
} while ($this->image->nextImage());
// These may not be necessary any more
$this->width = $this->image->getImageWidth();
$this->height = $this->image->getImageHeight();
return;
}
$dest = imagecreatetruecolor($dest_width, $dest_height);
imagealphablending($dest, false);
imagesavealpha($dest, true);
if ($this->type=='image/png') {
imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
}
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
if ($this->image) {
imagedestroy($this->image);
}
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
return $this->scale($dest_width, $dest_height);
}
/**
@ -562,23 +527,7 @@ class Image
}
}
if ($this->isImagick()) {
return $this->scaleDown($dest_width, $dest_height);
}
$dest = imagecreatetruecolor($dest_width, $dest_height);
imagealphablending($dest, false);
imagesavealpha($dest, true);
if ($this->type=='image/png') {
imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
}
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
if ($this->image) {
imagedestroy($this->image);
}
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
return $this->scale($dest_width, $dest_height);
}
/**
@ -591,27 +540,59 @@ class Image
return false;
}
if ($this->isImagick()) {
$this->image->setFirstIterator();
do {
$this->image->scaleImage($dim, $dim);
} while ($this->image->nextImage());
return;
return $this->scale($dim, $dim);
}
/**
* @brief Scale image to target dimensions
*
* @param int $dest_width
* @param int $dest_height
* @return boolean
*/
private function scale($dest_width, $dest_height)
{
if (!$this->isValid()) {
return false;
}
$dest = imagecreatetruecolor($dim, $dim);
imagealphablending($dest, false);
imagesavealpha($dest, true);
if ($this->type=='image/png') {
imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
if ($this->isImagick()) {
/*
* If it is not animated, there will be only one iteration here,
* so don't bother checking
*/
// Don't forget to go back to the first frame
$this->image->setFirstIterator();
do {
// FIXME - implement horizontal bias for scaling as in following GD functions
// to allow very tall images to be constrained only horizontally.
$this->image->scaleImage($dest_width, $dest_height);
} while ($this->image->nextImage());
// These may not be necessary anymore
$this->width = $this->image->getImageWidth();
$this->height = $this->image->getImageHeight();
} else {
$dest = imagecreatetruecolor($dest_width, $dest_height);
imagealphablending($dest, false);
imagesavealpha($dest, true);
if ($this->type=='image/png') {
imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
}
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $this->width, $this->height);
if ($this->image) {
imagedestroy($this->image);
}
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
}
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
if ($this->image) {
imagedestroy($this->image);
}
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
return true;
}
/**