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-rw-r--r--program/lib/Roundcube/rcube_image.php28
1 files changed, 17 insertions, 11 deletions
diff --git a/program/lib/Roundcube/rcube_image.php b/program/lib/Roundcube/rcube_image.php
index ad96842d2..9695022da 100644
--- a/program/lib/Roundcube/rcube_image.php
+++ b/program/lib/Roundcube/rcube_image.php
@@ -128,17 +128,20 @@ class rcube_image
}
// use GD extension
- $gd_types = array(IMAGETYPE_JPEG, IMAGETYPE_GIF, IMAGETYPE_PNG);
- if ($props['gd_type'] && in_array($props['gd_type'], $gd_types)) {
- if ($props['gd_type'] == IMAGETYPE_JPEG) {
+ if ($props['gd_type']) {
+ if ($props['gd_type'] == IMAGETYPE_JPEG && function_exists('imagecreatefromjpeg')) {
$image = imagecreatefromjpeg($this->image_file);
}
- elseif($props['gd_type'] == IMAGETYPE_GIF) {
+ else if($props['gd_type'] == IMAGETYPE_GIF && function_exists('imagecreatefromgif')) {
$image = imagecreatefromgif($this->image_file);
}
- elseif($props['gd_type'] == IMAGETYPE_PNG) {
+ else if($props['gd_type'] == IMAGETYPE_PNG && function_exists('imagecreatefrompng')) {
$image = imagecreatefrompng($this->image_file);
}
+ else {
+ // @TODO: print error to the log?
+ return false;
+ }
$scale = $size / max($props['width'], $props['height']);
$width = $props['width'] * $scale;
@@ -216,19 +219,22 @@ class rcube_image
}
// use GD extension (TIFF isn't supported)
- $props = $this->props();
- $gd_types = array(IMAGETYPE_JPEG, IMAGETYPE_GIF, IMAGETYPE_PNG);
+ $props = $this->props();
- if ($props['gd_type'] && in_array($props['gd_type'], $gd_types)) {
- if ($props['gd_type'] == IMAGETYPE_JPEG) {
+ if ($props['gd_type']) {
+ if ($props['gd_type'] == IMAGETYPE_JPEG && function_exists('imagecreatefromjpeg')) {
$image = imagecreatefromjpeg($this->image_file);
}
- else if ($props['gd_type'] == IMAGETYPE_GIF) {
+ else if ($props['gd_type'] == IMAGETYPE_GIF && function_exists('imagecreatefromgif')) {
$image = imagecreatefromgif($this->image_file);
}
- else if ($props['gd_type'] == IMAGETYPE_PNG) {
+ else if ($props['gd_type'] == IMAGETYPE_PNG && function_exists('imagecreatefrompng')) {
$image = imagecreatefrompng($this->image_file);
}
+ else {
+ // @TODO: print error to the log?
+ return false;
+ }
if ($type == self::TYPE_JPG) {
$result = imagejpeg($image, $filename, 75);