#44429 [Opn->Fbk]: problem with alpha in imagerotate, only for gifs

ID: 44429 Updated by: pajoye@php.net Reported By: deepmindster at gmail dot com -Status: Open +Status: Feedback Bug Type: GD related Operating System: linux PHP Version: 5.2.5 -Assigned To: +Assigned To: pajoye New Comment: It is certainly due to the transparent color not being set in your new rotated image. You can use the 3rd argument to define which color you like to have for the borders. However, if your problem persists, I need the original PNG image to reproduce it. Previous Comments: ------------------------------------------------------------------------ [2008-03-13 13:00:57] deepmindster at gmail dot com Description: ------------ Hello. Looks like imagerotate do not save alpha for gifs.. There is example of code: Reproduce code: --------------- <?php $im = imagecreatefrompng( dirname( $_SERVER['SCRIPT_FILENAME'] ) . '/gifs/0.png' ); $tr = imagecolortransparent( $im ); $r = imagerotate( $im, 45., $tr ); imagesavealpha( $r, true ); //Png works perfect //header( 'Content-type: image/png' ); //imagepng( $r ); //Gifs does not works.. black or while or gray background.. :( header( 'Content-type: image/gif' ); imagegif( $r ); ?> Expected result: ---------------- it should be rotated transparent image Actual result: -------------- background color instead transparent background ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=44429&edit=1