diff options
Diffstat (limited to 'svtools/source/filter.vcl/jpeg/jpegc.c')
| -rw-r--r-- | svtools/source/filter.vcl/jpeg/jpegc.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/svtools/source/filter.vcl/jpeg/jpegc.c b/svtools/source/filter.vcl/jpeg/jpegc.c index 84394d945f79..0525877f2614 100644 --- a/svtools/source/filter.vcl/jpeg/jpegc.c +++ b/svtools/source/filter.vcl/jpeg/jpegc.c @@ -182,7 +182,7 @@ Exit: } long WriteJPEG( void* pJPEGWriter, void* pOStm, - long nWidth, long nHeight, + long nWidth, long nHeight, long bGreys, long nQualityPercent, void* pCallbackData ) { struct jpeg_compress_struct cinfo; @@ -208,8 +208,16 @@ long WriteJPEG( void* pJPEGWriter, void* pOStm, cinfo.image_width = (JDIMENSION) nWidth; cinfo.image_height = (JDIMENSION) nHeight; - cinfo.input_components = 3; - cinfo.in_color_space = JCS_RGB; + if ( bGreys ) + { + cinfo.input_components = 1; + cinfo.in_color_space = JCS_GRAYSCALE; + } + else + { + cinfo.input_components = 3; + cinfo.in_color_space = JCS_RGB; + } jpeg_set_defaults( &cinfo ); jpeg_set_quality( &cinfo, (int) nQualityPercent, FALSE ); |