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#i107137# fix wrong colorspace calculations

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* applied patch from i107137
This commit is contained in:
thb 2010-01-18 21:01:43 +01:00
parent 80e02df062
commit 9fb80cbeee
1 changed files with 11 additions and 11 deletions
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22
canvas/source/cairo/cairo_canvashelper.cxx
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@ -1794,12 +1794,12 @@ namespace cairocanvas
rendering::RGBColor* pOut( aRes.getArray() );
for( sal_Size i=0; i<nLen; i+=4 )
{
const sal_Int8 nAlpha(pIn[3]);
if( nAlpha )
const double fAlpha((sal_uInt8)pIn[3]);
if( fAlpha )
*pOut++ = rendering::RGBColor(
vcl::unotools::toDoubleColor(pIn[2]/nAlpha),
vcl::unotools::toDoubleColor(pIn[1]/nAlpha),
vcl::unotools::toDoubleColor(pIn[0]/nAlpha));
pIn[2]/fAlpha,
pIn[1]/fAlpha,
pIn[0]/fAlpha);
else
*pOut++ = rendering::RGBColor(0,0,0);
pIn += 4;
@ -1819,13 +1819,13 @@ namespace cairocanvas
rendering::ARGBColor* pOut( aRes.getArray() );
for( sal_Size i=0; i<nLen; i+=4 )
{
const sal_Int8 nAlpha(pIn[3]);
if( nAlpha )
const double fAlpha((sal_uInt8)pIn[3]);
if( fAlpha )
*pOut++ = rendering::ARGBColor(
vcl::unotools::toDoubleColor(nAlpha),
vcl::unotools::toDoubleColor(pIn[2]/nAlpha),
vcl::unotools::toDoubleColor(pIn[1]/nAlpha),
vcl::unotools::toDoubleColor(pIn[0]/nAlpha));
fAlpha/255.0,
pIn[2]/fAlpha,
pIn[1]/fAlpha,
pIn[0]/fAlpha);
else
*pOut++ = rendering::ARGBColor(0,0,0,0);
pIn += 4;