applied_patches/0539-canvas-colorspace-fix.diff

   1 diff --git a/canvas/source/cairo/cairo_canvashelper.cxx b/canvas/source/cairo/cairo_canvashelper.cxx
   2 index 3b3571a..15245f4 100644
   3 --- canvas/source/cairo/cairo_canvashelper.cxx
   4 +++ canvas/source/cairo/cairo_canvashelper.cxx
   5 @@ -1640,12 +1640,12 @@ namespace cairocanvas
   6                  rendering::RGBColor* pOut( aRes.getArray() );
   7                  for( sal_Size i=0; i<nLen; i+=4 )
   8                  {
   9 -                    const sal_Int8 nAlpha(pIn[3]);
  10 -                    if( nAlpha )
  11 +                    const double fAlpha((sal_uInt8)pIn[3]);
  12 +                    if( fAlpha )
  13                          *pOut++ = rendering::RGBColor(
  14 -                            vcl::unotools::toDoubleColor(pIn[2]/nAlpha),
  15 -                            vcl::unotools::toDoubleColor(pIn[1]/nAlpha),
  16 -                            vcl::unotools::toDoubleColor(pIn[0]/nAlpha));
  17 +                            pIn[2]/fAlpha,
  18 +                            pIn[1]/fAlpha,
  19 +                            pIn[0]/fAlpha);
  20                      else
  21                          *pOut++ = rendering::RGBColor(0,0,0);
  22                      pIn += 4;
  23 @@ -1665,13 +1665,13 @@ namespace cairocanvas
  24                  rendering::ARGBColor* pOut( aRes.getArray() );
  25                  for( sal_Size i=0; i<nLen; i+=4 )
  26                  {
  27 -                    const sal_Int8 nAlpha(pIn[3]);
  28 -                    if( nAlpha )
  29 +                    const double fAlpha((sal_uInt8)pIn[3]);
  30 +                    if( fAlpha )
  31                          *pOut++ = rendering::ARGBColor(
  32 -                            vcl::unotools::toDoubleColor(nAlpha),
  33 -                            vcl::unotools::toDoubleColor(pIn[2]/nAlpha),
  34 -                            vcl::unotools::toDoubleColor(pIn[1]/nAlpha),
  35 -                            vcl::unotools::toDoubleColor(pIn[0]/nAlpha));
  36 +                            fAlpha/255.0,
  37 +                            pIn[2]/fAlpha,
  38 +                            pIn[1]/fAlpha,
  39 +                            pIn[0]/fAlpha);
  40                      else
  41                          *pOut++ = rendering::ARGBColor(0,0,0,0);
  42                      pIn += 4;