Edit Background Color for .png files

c627627 wrote:What would it take for XnView to handle 32-Bit and is it likely it will have this feature added at any point?
In other words, is what is involved so complex, that XnView is unlikely to really ever be able to handle it?

• If you select part of a 32-bit image and hit delete (= Edit» Clear), the area turns transparent and the viewer's background color (Tools» Options...» View» View» Background colour) becomes visible in that spot.
• If you select part of a 24-bit image and hit delete, the area is filled with the color specified in Edit» Background colour....