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-rw-r--r--program/lib/Roundcube/rcube_image.php89
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) {