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Imagick Scale Image failure after upgrade, showing icon instead of picture

Status
Open
Subject
Imagick Scale Image failure after upgrade, showing icon instead of picture
Version
6.x
Category
  • Error
Feature
Image Gallery
File Gallery (elFinder or standard UI)
Submitted by
Nelson Ko
Lastmod by
Nelson Ko
Rating
(0)
Description
After upgrading from 3 to 6, resizing of images fail. I tracked it down to Imagick's scaleImage function resulting in broken image, hence all that is shown is the GIF icon. This is the case when using the {img tag with size set.
Solution

Need proper fix, by making option to not use Imagick but GD instead. Workaround to force GD instead of Imagick is as follows:

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Index: lib/images/images.php =================================================================== --- lib/images/images.php (revision 35491) +++ lib/images/images.php (working copy) @@ -14,13 +14,13 @@ // This assumes imagick is better than gd (which does not handle transparency in gray PNG), so try to find it first // $detected_lib = ''; -if ( class_exists('Imagick') ) { - $detected_lib = 'imagick_new'; // Imagick 2.x -} elseif ( function_exists('imagick_rotate') ) { - $detected_lib = 'imagick_old'; // Imagick 1.x -} elseif ( function_exists('gd_info') ) { +//if ( class_exists('Imagick') ) { +// $detected_lib = 'imagick_new'; // Imagick 2.x +//} elseif ( function_exists('imagick_rotate') ) { +// $detected_lib = 'imagick_old'; // Imagick 1.x +//} elseif ( function_exists('gd_info') ) { $detected_lib = 'gd'; // GD -} +//} if ($detected_lib != '') { // Load the detected lib
Importance
7
Priority
35
Demonstrate Bug (Tiki 19+)
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Demonstrate Bug (older Tiki versions)
Please demonstrate your bug on show.tikiwiki.org
 About show.tikiwiki.org

To help developers solve the bug, we kindly request that you demonstrate your bug on a show.tikiwiki.org instance. To start, simply select a version and click on "Create show.tikiwiki.org instance". Once the instance is ready (in a minute or two), as indicated in the status window below, you can then access that instance, login (the initial admin username/password is "admin") and configure the Tiki to demonstrate your bug. Priority will be given to bugs that have been demonstrated on show.tikiwiki.org.

Version: Create show.tikiwiki.org instance
Created
Tuesday 19 July, 2011 23:32:00 GMT-0000
by Nelson Ko
LastModif
Tuesday 19 July, 2011 23:33:24 GMT-0000

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