- Fixed alignment for unpacked monochrome source data in case the calculated
required amount of data for one row is more than the given source pitch.
In even rows the leftmost pixel comes from the LSB bit #7 as expected.
In odd rows the whole row is aligned to the next dword boundary (the rightmost
pixel comes from the MSB bit #0). This alternating alignment is not documented,
but fixes some bitmaps (e.g. Win95 login / logout dialogs).
- Fixed calculation of host-to-screen data size for the pixel alignment > 0 and
color depth > 8.
- Added minimal support for pixel format conversion (32/24 to 16).
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