Christophe de Dinechin 4fe509691c blitter: Base horizontal adjust on scanline, not width ...

When we draw a BMP that has a width that is not a multiple of 8, some
black pixels show up on the right, and the left part is truncated.

The root cause is that the horizontal adjustment uses the width and
not the scanline, so we don't get the correct range of pixels.

Code inspection also showed that there was an error in the size of the
datalen being returned from `grob::pixels`, because it returnes the
size of the object, not the size of the data bitmap.

Fixes: #1043

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>

2024-07-24 14:33:54 +02:00

2.3 KiB

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