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A couple of typos in spandsp

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Improvements to image flattening in spandsp's image translate code
This commit is contained in:
Steve Underwood committed 2012-08-09 21:58:22 +08:00
1 parent a4115a099b
commit d1b45ae65b
3 files changed
+9 -11
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libs/spandsp/src/image_translate.c
+7 -9
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@@ -163,10 +163,9 @@ static int image_gray16_to_colour16_row(uint16_t colour16[], uint16_t gray16[],
for (i = pixels - 1; i >= 0; i--)
{
/* TODO: need to balance the colours */
colour16[3*i] = gray16[i];
colour16[3*i + 1] = gray16[i];
colour16[3*i + 2] = gray16[i];
colour16[3*i] = saturateu16((gray16[i]*36532) >> 15);
colour16[3*i + 1] = saturateu16((gray16[i]*37216) >> 16);
colour16[3*i + 2] = saturateu16((gray16[i]*47900) >> 14);
}
return pixels;
}
@@ -178,10 +177,9 @@ static int image_gray16_to_colour8_row(uint8_t colour8[], uint16_t gray16[], int
for (i = pixels - 1; i >= 0; i--)
{
/* TODO: need to balance the colours */
colour8[3*i] = gray16[i] >> 8;
colour8[3*i + 1] = gray16[i] >> 8;
colour8[3*i + 2] = gray16[i] >> 8;
colour8[3*i] = saturateu8((gray16[i]*36532) >> 23);
colour8[3*i + 1] = saturateu8((gray16[i]*37216) >> 24);
colour8[3*i + 2] = saturateu8((gray16[i]*47900) >> 22);
}
return pixels;
}
@@ -530,7 +528,7 @@ SPAN_DECLARE(int) image_translate_row(image_translate_state_t *s, uint8_t buf[],
else
{
i = s->output_width*s->output_bytes_per_pixel;
memcpy(buf, s->pixel_row[1], i);
memcpy(buf, s->pixel_row[0], i);
}
return i;
}