[IMAGING-162] BMP files with negative bitmap height are not supported

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.0-alpha1
• Fix Version/s: Review Patch
• Component/s: Format: BMP
• Labels: github
• Assignee: Unassigned
• Reporter: Myroslav Golub
• Created: 02/Feb/15 16:35
• Updated: 23/Feb/15 19:42

Description

The BMP format allows for negative values of the height field in the header. This means that the image lines are stored top-down, not bottom-up as usual (i. e. the first pixel in the pixel array would be in the top left corner of the image, not in the bottom left as usual). However, when a negative-height bitmap is passed, the BmpImageParser attempts to create an array of negative length, and a NegativeArraySizeException ensues.