From dedf13879560006118864abd807e6165d7b62b3a Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 05 Mar 2013 04:26:29 -0500
Subject: [PATCH] Fix thumbnail size when GD extension is used for image resize (#1488985)
---
CHANGELOG | 1 +
program/steps/mail/get.inc | 10 +++++-----
program/lib/Roundcube/rcube_image.php | 23 ++++++++++++++++++-----
3 files changed, 24 insertions(+), 10 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
index 74c0b25..acaa661 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
CHANGELOG Roundcube Webmail
===========================
+- Fix thumbnail size when GD extension is used for image resize (#1488985)
- Display notice that message is encrypted also for application/pkcs7-mime messages (#1488526)
RELEASE 0.9-rc
diff --git a/program/lib/Roundcube/rcube_image.php b/program/lib/Roundcube/rcube_image.php
index 9695022..a55ba16 100644
--- a/program/lib/Roundcube/rcube_image.php
+++ b/program/lib/Roundcube/rcube_image.php
@@ -77,7 +77,8 @@
}
/**
- * Resize image to a given size
+ * Resize image to a given size. Use only to shrink an image.
+ * If an image is smaller than specified size it will be not resized.
*
* @param int $size Max width/height size
* @param string $filename Output filename
@@ -131,19 +132,30 @@
if ($props['gd_type']) {
if ($props['gd_type'] == IMAGETYPE_JPEG && function_exists('imagecreatefromjpeg')) {
$image = imagecreatefromjpeg($this->image_file);
+ $type = 'jpg';
}
else if($props['gd_type'] == IMAGETYPE_GIF && function_exists('imagecreatefromgif')) {
$image = imagecreatefromgif($this->image_file);
+ $type = 'gid';
}
else if($props['gd_type'] == IMAGETYPE_PNG && function_exists('imagecreatefrompng')) {
$image = imagecreatefrompng($this->image_file);
+ $type = 'png';
}
else {
// @TODO: print error to the log?
return false;
}
- $scale = $size / max($props['width'], $props['height']);
+ $scale = $size / max($props['width'], $props['height']);
+
+ // Imagemagick resize is implemented in shrinking mode (see -resize argument above)
+ // we do the same here, if an image is smaller than specified size
+ // we do nothing but copy original file to destination file
+ if ($scale > 1) {
+ return $this->image_file == $filename || copy($this->image_file, $filename) ? $type : false;
+ }
+
$width = $props['width'] * $scale;
$height = $props['height'] * $scale;
@@ -162,15 +174,12 @@
if ($props['gd_type'] == IMAGETYPE_JPEG) {
$result = imagejpeg($image, $filename, 75);
- $type = 'jpg';
}
elseif($props['gd_type'] == IMAGETYPE_GIF) {
$result = imagegif($image, $filename);
- $type = 'gid';
}
elseif($props['gd_type'] == IMAGETYPE_PNG) {
$result = imagepng($image, $filename, 6, PNG_ALL_FILTERS);
- $type = 'png';
}
if ($result) {
@@ -245,6 +254,10 @@
else if ($type == self::TYPE_PNG) {
$result = imagepng($image, $filename, 6, PNG_ALL_FILTERS);
}
+
+ if ($result) {
+ return true;
+ }
}
// @TODO: print error to the log?
diff --git a/program/steps/mail/get.inc b/program/steps/mail/get.inc
index 54d1a4e..23dc22b 100644
--- a/program/steps/mail/get.inc
+++ b/program/steps/mail/get.inc
@@ -60,11 +60,11 @@
$pid = get_input_value('_part', RCUBE_INPUT_GET);
if ($part = $MESSAGE->mime_parts[$pid]) {
$thumbnail_size = $RCMAIL->config->get('image_thumbnail_size', 240);
- $temp_dir = $RCMAIL->config->get('temp_dir');
- list(,$ext) = explode('/', $part->mimetype);
+ $temp_dir = $RCMAIL->config->get('temp_dir');
+ list(,$ext) = explode('/', $part->mimetype);
$cache_basename = $temp_dir . '/' . md5($MESSAGE->headers->messageID . $part->mime_id . ':' . $RCMAIL->user->ID . ':' . $thumbnail_size);
- $cache_file = $cache_basename . '.' . $ext;
- $mimetype = $part->mimetype;
+ $cache_file = $cache_basename . '.' . $ext;
+ $mimetype = $part->mimetype;
// render thumbnail image if not done yet
if (!is_file($cache_file)) {
@@ -73,7 +73,7 @@
fclose($fp);
$image = new rcube_image($orig_name);
- if ($imgtype = $image->resize($RCMAIL->config->get('image_thumbnail_size', 240), $cache_file, true)) {
+ if ($imgtype = $image->resize($thumbnail_size, $cache_file, true)) {
$mimetype = 'image/' . $imgtype;
unlink($orig_name);
}
--
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