diff options
Diffstat (limited to 'program/lib/Roundcube/rcube_image.php')
| -rw-r--r-- | program/lib/Roundcube/rcube_image.php | 89 |
1 files changed, 57 insertions, 32 deletions
diff --git a/program/lib/Roundcube/rcube_image.php b/program/lib/Roundcube/rcube_image.php index c9a555300..4e4caae93 100644 --- a/program/lib/Roundcube/rcube_image.php +++ b/program/lib/Roundcube/rcube_image.php @@ -105,7 +105,6 @@ class rcube_image if ($convert) { $p['out'] = $filename; $p['in'] = $this->image_file; - $p['size'] = $size.'x'.$size; $type = $props['type']; if (!$type && ($data = $this->identify())) { @@ -120,11 +119,37 @@ class rcube_image $type = 'jpg'; } - $p += array('type' => $type, 'types' => "bmp,eps,gif,jp2,jpg,png,svg,tif", 'quality' => 75); - $p['-opts'] = array('-resize' => $p['size'].'>'); + // If only one dimension is greater than the limit convert doesn't + // work as expected, we need to calculate new dimensions + $scale = $size / max($props['width'], $props['height']); - if (in_array($type, explode(',', $p['types']))) { // Valid type? - $result = rcube::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace sRGB -strip -quality {quality} {-opts} {intype}:{in} {type}:{out}', $p); + // if file is smaller than the limit, we do nothing + // but copy original file to destination file + if ($scale >= 1 && $p['intype'] == $type) { + $result = ($this->image_file == $filename || copy($this->image_file, $filename)) ? '' : false; + } + else { + if ($scale >= 1) { + $width = $props['width']; + $height = $props['height']; + } + else { + $width = intval($props['width'] * $scale); + $height = intval($props['height'] * $scale); + } + + $valid_types = "bmp,eps,gif,jp2,jpg,png,svg,tif"; + + $p += array( + 'type' => $type, + 'quality' => 75, + 'size' => $width . 'x' . $height, + ); + + if (in_array($type, explode(',', $valid_types))) { // Valid type? + $result = rcube::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace sRGB -strip' + . ' -quality {quality} -resize {size} {intype}:{in} {type}:{out}', $p); + } } if ($result === '') { @@ -161,34 +186,34 @@ class rcube_image // Imagemagick resize is implemented in shrinking mode (see -resize argument above) // we do the same here, if an image is smaller than specified size // we do nothing but copy original file to destination file - if ($scale > 1) { - return $this->image_file == $filename || copy($this->image_file, $filename) ? $type : false; - } - - $width = $props['width'] * $scale; - $height = $props['height'] * $scale; - - $new_image = imagecreatetruecolor($width, $height); - - // Fix transparency of gif/png image - if ($props['gd_type'] != IMAGETYPE_JPEG) { - imagealphablending($new_image, false); - imagesavealpha($new_image, true); - $transparent = imagecolorallocatealpha($new_image, 255, 255, 255, 127); - imagefilledrectangle($new_image, 0, 0, $width, $height, $transparent); + if ($scale >= 1) { + $result = $this->image_file == $filename || copy($this->image_file, $filename); } - - imagecopyresampled($new_image, $image, 0, 0, 0, 0, $width, $height, $props['width'], $props['height']); - $image = $new_image; - - if ($props['gd_type'] == IMAGETYPE_JPEG) { - $result = imagejpeg($image, $filename, 75); - } - elseif($props['gd_type'] == IMAGETYPE_GIF) { - $result = imagegif($image, $filename); - } - elseif($props['gd_type'] == IMAGETYPE_PNG) { - $result = imagepng($image, $filename, 6, PNG_ALL_FILTERS); + else { + $width = intval($props['width'] * $scale); + $height = intval($props['height'] * $scale); + $new_image = imagecreatetruecolor($width, $height); + + // Fix transparency of gif/png image + if ($props['gd_type'] != IMAGETYPE_JPEG) { + imagealphablending($new_image, false); + imagesavealpha($new_image, true); + $transparent = imagecolorallocatealpha($new_image, 255, 255, 255, 127); + imagefilledrectangle($new_image, 0, 0, $width, $height, $transparent); + } + + imagecopyresampled($new_image, $image, 0, 0, 0, 0, $width, $height, $props['width'], $props['height']); + $image = $new_image; + + if ($props['gd_type'] == IMAGETYPE_JPEG) { + $result = imagejpeg($image, $filename, 75); + } + elseif($props['gd_type'] == IMAGETYPE_GIF) { + $result = imagegif($image, $filename); + } + elseif($props['gd_type'] == IMAGETYPE_PNG) { + $result = imagepng($image, $filename, 6, PNG_ALL_FILTERS); + } } if ($result) { |