Bug #79622 [Nab]: Imagewbmp outputs an white image with something incomprehensible.

Edit report at https://bugs.php.net/bug.php?id=79622&edit=1 ID: 79622 Updated by: requinix@php.net Reported by: cretu dot andrei at zoho dot com Summary: Imagewbmp outputs an white image with something incomprehensible. Status: Not a bug Type: Bug Package: *Graphics related Operating System: Windows 7, X64 PHP Version: Irrelevant Block user comment: N Private report: N New Comment: WBMPs. Are. Only. Black. And. White. Most of your source image is light colored. It will be translated into white. The small portions that are dark will be translated into black. Previous Comments: ------------------------------------------------------------------------ [2020-05-23 06:12:33] cretu dot andrei at zoho dot com Have you tested the code ? Here is the original image: https://ibb.co/WyRngKD Here is the result: https://easyupload.io/9r4ka6 Is that ok ? ------------------------------------------------------------------------ [2020-05-23 05:49:45] requinix@php.net WBMPs only do black and white. ------------------------------------------------------------------------ [2020-05-23 03:43:03] cretu dot andrei at zoho dot com Description: ------------ I'm using imagecreatefromjpeg to create an image from a source. Then I'm using imagewbmp to save it as .wbmp. The image saved is 98% white with a small portion black. Test script: --------------- $image_object = imagecreatefromjpeg('http://i.pinimg.com/originals/5b/97/49/5b9749c4db7066138b085b28a229801f.jpg'); imagewbmp($image_object, 'new_image.wbmp'); Expected result: ---------------- A black and white image. Actual result: -------------- I see an image allmost white... ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=79622&edit=1