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sane.ds: Set monochrome DIB color table.

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Ilia Docin 2023-08-06 14:04:46 +03:00 • committed by Alexandre Julliard
parent 76f622a663
commit b830a46dfb
1 changed files with 11 additions and 6 deletions
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13
dlls/sane.ds/ds_image.c
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@ -335,10 +335,8 @@ TW_UINT16 SANE_ImageNativeXferGet (pTW_IDENTITY pOrigin,
switch (activeDS.frame_params.format)
{
case FMT_GRAY:
if (activeDS.frame_params.depth == 8)
color_size = (1 << 8) * sizeof(*colors);
else if (activeDS.frame_params.depth == 1)
;
if (activeDS.frame_params.depth == 8 || activeDS.frame_params.depth == 1)
color_size = (1 << activeDS.frame_params.depth) * sizeof(*colors);
else
{
FIXME("For NATIVE, we support only 1 bit monochrome and 8 bit Grayscale, not %d\n", activeDS.frame_params.depth);
@ -405,6 +403,13 @@ TW_UINT16 SANE_ImageNativeXferGet (pTW_IDENTITY pOrigin,
{
colors = (RGBQUAD *) p;
p += color_size;
if (activeDS.frame_params.depth == 1)
{
/* Sane uses 1 to represent minimum intensity (black) and 0 for maximum (white) */
colors[0].rgbBlue = colors[0].rgbRed = colors[0].rgbGreen = 255;
colors[1].rgbBlue = colors[1].rgbRed = colors[1].rgbGreen = 0;
}
else
for (i = 0; i < (color_size / sizeof(*colors)); i++)
colors[i].rgbBlue = colors[i].rgbRed = colors[i].rgbGreen = i;
}