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wine-cw
Commit 785f84a6 authored by Vincent Povirk's avatar Vincent Povirk Committed by Alexandre Julliard
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windowscodecs: Treat unspecified extra channels as alpha data.

parent 8153674c
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Showing with 2 additions and 7 deletions
dlls/windowscodecs/tiffformat.c
View file @ 785f84a6
......@@ -347,12 +347,10 @@ static HRESULT tiff_get_decode_info(TIFF *tiff, tiff_decode_info *decode_info)
else
switch(extra_samples[0])
{
case 0: /* Unspecified data */
decode_info->format = &GUID_WICPixelFormat32bppBGR;
break;
case 1: /* Associated (pre-multiplied) alpha data */
decode_info->format = &GUID_WICPixelFormat32bppPBGRA;
break;
case 0: /* Unspecified data */
case 2: /* Unassociated alpha data */
decode_info->format = &GUID_WICPixelFormat32bppBGRA;
break;
......@@ -367,13 +365,10 @@ static HRESULT tiff_get_decode_info(TIFF *tiff, tiff_decode_info *decode_info)
else
switch(extra_samples[0])
{
case 0: /* Unspecified data */
/* decode_info->format = &GUID_WICPixelFormat64bppRGB; */
FIXME("64-bit RGB is unsupported\n");
return E_FAIL;
case 1: /* Associated (pre-multiplied) alpha data */
decode_info->format = &GUID_WICPixelFormat64bppPRGBA;
break;
case 0: /* Unspecified data */
case 2: /* Unassociated alpha data */
decode_info->format = &GUID_WICPixelFormat64bppRGBA;
break;
......
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