diff options
| author | Derek Jones <derek.jones@ellislab.com> | 2010-08-20 17:28:22 +0200 |
|---|---|---|
| committer | Derek Jones <derek.jones@ellislab.com> | 2010-08-20 17:28:22 +0200 |
| commit | 595bfd1484ecc8212d6c3c028210b4d1ae78baba (patch) | |
| tree | 2c757435893023372d6c501e55d96023d5d5a6da | |
| parent | 5eb964f7bcda04c13cc484cfdef7138e887a75f3 (diff) | |
Added ability in the Image Library to handle PNG transparency for resize operations when using the GD lib.
| -rw-r--r-- | system/libraries/Image_lib.php | 7 | ||||
| -rw-r--r-- | user_guide/changelog.html | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php index 21e0a709b..806d942ba 100644 --- a/system/libraries/Image_lib.php +++ b/system/libraries/Image_lib.php @@ -513,6 +513,13 @@ class CI_Image_lib { } $dst_img = $create($this->width, $this->height); + + if ($this->image_type == 3) // png we can actually preserve transparency + { + imagealphablending($dst_img, FALSE); + imagesavealpha($dst_img, TRUE); + } + $copy($dst_img, $src_img, 0, 0, $this->x_axis, $this->y_axis, $this->width, $this->height, $this->orig_width, $this->orig_height); // Show the image diff --git a/user_guide/changelog.html b/user_guide/changelog.html index 171392f46..48d4309a5 100644 --- a/user_guide/changelog.html +++ b/user_guide/changelog.html @@ -98,6 +98,7 @@ Hg Tag: </p> <li>Changed <kbd>do_xss_clean()</kbd> to return FALSE if the uploaded file fails XSS checks.</li> <li>Added stripslashes() and trim()ing of double quotes from $_FILES type value to standardize input in Upload library.</li> <li>Added a second parameter (boolean) to <kbd>$this->zip->read_dir('/path/to/directory', FALSE)</kbd> to remove the preceding trail of empty folders when creating a Zip archive. This example would contain a zip with "directory" and all of its contents.</li> + <li>Added ability in the Image Library to handle PNG transparency for resize operations when using the GD lib.</p> </ul> </li> <li>Database |