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webp

pull/114/head
Lorenzo Yario 3 months ago
committed by Zankaria
parent
cb5b465c57
commit
46e61a71cf
1 changed files with 49 additions and 44 deletions
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  1. 93
      inc/image.php

93
inc/image.php
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@ -11,7 +11,7 @@ class Image {
public $src, $format, $image, $size;
public function __construct($src, $format = false, $size = false) {
global $config;
$this->src = $src;
$this->format = $format;
@ -25,21 +25,21 @@ class Image {
error(_('Unsupported file format: ') . $this->format);
}
}
$this->image = new $classname($this, $size);
if (!$this->image->valid()) {
$this->delete();
error($config['error']['invalidimg']);
}
$this->size = (object)array('width' => $this->image->_width(), 'height' => $this->image->_height());
if ($this->size->width < 1 || $this->size->height < 1) {
$this->delete();
error($config['error']['invalidimg']);
}
}
public function resize($extension, $max_width, $max_height) {
global $config;
@ -63,16 +63,16 @@ class Image {
error(_('Unsupported file format: ') . $extension);
}
}
$thumb = new $classname(false);
$thumb->src = $this->src;
$thumb->format = $this->format;
$thumb->original_width = $this->size->width;
$thumb->original_height = $this->size->height;
$x_ratio = $max_width / $this->size->width;
$y_ratio = $max_height / $this->size->height;
if (($this->size->width <= $max_width) && ($this->size->height <= $max_height)) {
$width = $this->size->width;
$height = $this->size->height;
@ -83,16 +83,16 @@ class Image {
$width = ceil($y_ratio * $this->size->width);
$height = $max_height;
}
$thumb->_resize($this->image->image, $width, $height);
return $thumb;
}
public function to($dst) {
$this->image->to($dst);
}
public function delete() {
file_unlink($this->src);
}
@ -115,26 +115,26 @@ class ImageGD {
}
class ImageBase extends ImageGD {
public $image, $src, $original, $original_width, $original_height, $width, $height;
public $image, $src, $original, $original_width, $original_height, $width, $height;
public function valid() {
return (bool)$this->image;
}
public function __construct($img, $size = false) {
if (method_exists($this, 'init'))
$this->init();
if ($size && $size[0] > 0 && $size[1] > 0) {
$this->width = $size[0];
$this->height = $size[1];
}
if ($img !== false) {
$this->src = $img->src;
$this->from();
}
}
public function _width() {
if (method_exists($this, 'width'))
return $this->width();
@ -157,7 +157,7 @@ class ImageBase extends ImageGD {
$this->original = &$original;
$this->width = $width;
$this->height = $height;
if (method_exists($this, 'resize'))
$this->resize();
else
@ -200,31 +200,31 @@ class ImageImagick extends ImageBase {
}
public function resize() {
global $config;
if ($this->format == 'gif' && ($config['thumb_ext'] == 'gif' || $config['thumb_ext'] == '')) {
$this->image = new Imagick();
$this->image->setFormat('gif');
$keep_frames = array();
for ($i = 0; $i < $this->original->getNumberImages(); $i += floor($this->original->getNumberImages() / $config['thumb_keep_animation_frames']))
$keep_frames[] = $i;
$i = 0;
$delay = 0;
foreach ($this->original as $frame) {
$delay += $frame->getImageDelay();
if (in_array($i, $keep_frames)) {
// $frame->scaleImage($this->width, $this->height, false);
$frame->sampleImage($this->width, $this->height);
$frame->setImagePage($this->width, $this->height, 0, 0);
$frame->setImageDelay($delay);
$delay = 0;
$this->image->addImage($frame->getImage());
}
$i++;
}
}
} else {
$this->image = clone $this->original;
$this->image->scaleImage($this->width, $this->height, false);
@ -235,15 +235,15 @@ class ImageImagick extends ImageBase {
class ImageConvert extends ImageBase {
public $width, $height, $temp, $gm = false, $gifsicle = false;
public function init() {
global $config;
if ($config['thumb_method'] == 'gm' || $config['thumb_method'] == 'gm+gifsicle')
$this->gm = true;
if ($config['thumb_method'] == 'convert+gifsicle' || $config['thumb_method'] == 'gm+gifsicle')
$this->gifsicle = true;
$this->temp = false;
}
public function get_size($src, $try_gd_first = true) {
@ -265,7 +265,7 @@ class ImageConvert extends ImageBase {
if ($size) {
$this->width = $size[0];
$this->height = $size[1];
$this->image = true;
} else {
// mark as invalid
@ -274,7 +274,7 @@ class ImageConvert extends ImageBase {
}
public function to($src) {
global $config;
if (!$this->temp) {
if ($config['strip_exif']) {
if($error = shell_exec_error(($this->gm ? 'gm ' : '') . 'convert ' .
@ -306,16 +306,16 @@ class ImageConvert extends ImageBase {
}
public function resize() {
global $config;
if ($this->temp) {
// remove old
$this->destroy();
}
$this->temp = tempnam($config['tmp'], 'convert') . ($config['thumb_ext'] == '' ? '' : '.' . $config['thumb_ext']);
$config['thumb_keep_animation_frames'] = (int)$config['thumb_keep_animation_frames'];
if ($this->format == 'gif' && ($config['thumb_ext'] == 'gif' || $config['thumb_ext'] == '') && $config['thumb_keep_animation_frames'] > 1) {
if ($this->gifsicle) {
if (($error = shell_exec("gifsicle -w --unoptimize -O2 --resize {$this->width}x{$this->height} < " .
@ -380,7 +380,7 @@ class ImageConvert extends ImageBase {
}
}
}
// For when -auto-orient doesn't exist (older versions)
static public function jpeg_exif_orientation($src, $exif = false) {
if (!$exif) {
@ -398,16 +398,16 @@ class ImageConvert extends ImageBase {
// 8888
// 88
// 88
return '-flop';
case 3:
// 88
// 88
// 8888
// 88
// 888888
return '-flip -flop';
case 4:
// 88
@ -415,31 +415,31 @@ class ImageConvert extends ImageBase {
// 8888
// 88
// 888888
return '-flip';
case 5:
// 8888888888
// 88 88
// 88
return '-rotate 90 -flop';
case 6:
// 88
// 88 88
// 8888888888
return '-rotate 90';
case 7:
// 88
// 88 88
// 8888888888
return '-rotate "-90" -flop';
case 8:
// 8888888888
// 88 88
// 88
return '-rotate "-90"';
}
}
@ -497,6 +497,11 @@ class ImageBMP extends ImageBase {
}
}
class ImageWEBP extends ImageBase {
public function from() {
$this->image = @imagecreatefromwebp($this->src);
}
public function to($src) {
imagewebp($this->image, $src);
}
}

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