diff options
| -rw-r--r-- | vcl/headless/svpgdi.cxx | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/vcl/headless/svpgdi.cxx b/vcl/headless/svpgdi.cxx index e928961055c3..42799ae12785 100644 --- a/vcl/headless/svpgdi.cxx +++ b/vcl/headless/svpgdi.cxx @@ -226,12 +226,16 @@ namespace class SourceHelper { public: - explicit SourceHelper(const SalBitmap& rSourceBitmap) + explicit SourceHelper(const SalBitmap& rSourceBitmap, const bool bForceARGB32 = false) +#ifdef HAVE_CAIRO_FORMAT_RGB24_888 + : m_bForceARGB32(bForceARGB32) +#endif { const SvpSalBitmap& rSrcBmp = static_cast<const SvpSalBitmap&>(rSourceBitmap); #ifdef HAVE_CAIRO_FORMAT_RGB24_888 - if (rSrcBmp.GetBitCount() != 32 && rSrcBmp.GetBitCount() != 24) + if ((rSrcBmp.GetBitCount() != 32 && rSrcBmp.GetBitCount() != 24) || bForceARGB32) #else + (void)bForceARGB32; if (rSrcBmp.GetBitCount() != 32) #endif { @@ -272,13 +276,22 @@ namespace unsigned char *mask_data = cairo_image_surface_get_data(source); - cairo_format_t nFormat = cairo_image_surface_get_format(source); + const cairo_format_t nFormat = cairo_image_surface_get_format(source); +#ifdef HAVE_CAIRO_FORMAT_RGB24_888 + if (!m_bForceARGB32) + assert(nFormat == CAIRO_FORMAT_RGB24_888 && "Expected RGB24_888 image"); + else +#endif assert(nFormat == CAIRO_FORMAT_ARGB32 && "need to implement CAIRO_FORMAT_A1 after all here"); + rStride = cairo_format_stride_for_width(nFormat, cairo_image_surface_get_width(source)); return mask_data; } private: +#ifdef HAVE_CAIRO_FORMAT_RGB24_888 + const bool m_bForceARGB32; +#endif SvpSalBitmap aTmpBmp; cairo_surface_t* source; @@ -1230,7 +1243,7 @@ void SvpSalGraphics::drawMask( const SalTwoRect& rTR, { /** creates an image from the given rectangle, replacing all black pixels * with nMaskColor and make all other full transparent */ - SourceHelper aSurface(rSalBitmap); + SourceHelper aSurface(rSalBitmap, true); // The mask is argb32 sal_Int32 nStride; unsigned char *mask_data = aSurface.getBits(nStride); for (sal_Int32 y = rTR.mnSrcY ; y < rTR.mnSrcY + rTR.mnSrcHeight; ++y) |