diff options
| author | Michael Meeks <michael.meeks@collabora.com> | 2014-10-14 11:59:04 -0300 |
|---|---|---|
| committer | Michael Meeks <michael.meeks@collabora.com> | 2014-10-14 12:04:13 -0300 |
| commit | 578fd01ee9d1a3b550e115d5db64523c7f57efde (patch) | |
| tree | c3a5bd18e3bee11aba9baf33c384c5be5a05d820 /basebmp | |
| parent | 9f8605b04dfecefabe73035aae50443ad93da878 (diff) | |
basebmp: accelerated method to create a clipping device.
This was some staggering proportion of tiled rendering documents
with complex clipping; it seems 'clear' is not what memset is for
1bit clip masks.
Change-Id: I9142ffb7d7016603feb7782d6f03b9992b9494e3
Diffstat (limited to 'basebmp')
| -rw-r--r-- | basebmp/source/bitmapdevice.cxx | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/basebmp/source/bitmapdevice.cxx b/basebmp/source/bitmapdevice.cxx index 4104c186cdf5..d79afd5166b2 100644 --- a/basebmp/source/bitmapdevice.cxx +++ b/basebmp/source/bitmapdevice.cxx @@ -1944,7 +1944,8 @@ BitmapDeviceSharedPtr createBitmapDeviceImplInner( const basegfx::B2IVector& boost::shared_array< sal_uInt8 > pMem, PaletteMemorySharedVector pPal, const basegfx::B2IBox* pSubset, - const IBitmapDeviceDamageTrackerSharedPtr& rDamage ) + const IBitmapDeviceDamageTrackerSharedPtr& rDamage, + bool bBlack = true) { OSL_ASSERT(rSize.getX() > 0 && rSize.getY() > 0); @@ -1990,7 +1991,10 @@ BitmapDeviceSharedPtr createBitmapDeviceImplInner( const basegfx::B2IVector& &rtl_freeMemory ); if (pMem.get() == 0 && nMemSize != 0) return BitmapDeviceSharedPtr(); - memset(pMem.get(), 0, nMemSize); + if (bBlack) + memset(pMem.get(), 0, nMemSize); + else + memset(pMem.get(), 0xFF, nMemSize); } sal_uInt8* pFirstScanline = nScanlineStride < 0 ? @@ -2129,9 +2133,10 @@ BitmapDeviceSharedPtr createBitmapDeviceImpl( const basegfx::B2IVector& boost::shared_array< sal_uInt8 > pMem, PaletteMemorySharedVector pPal, const basegfx::B2IBox* pSubset, - const IBitmapDeviceDamageTrackerSharedPtr& rDamage ) + const IBitmapDeviceDamageTrackerSharedPtr& rDamage, + bool bBlack = true) { - BitmapDeviceSharedPtr result( createBitmapDeviceImplInner( rSize, bTopDown, nScanlineFormat, pMem, pPal, pSubset, rDamage ) ); + BitmapDeviceSharedPtr result( createBitmapDeviceImplInner( rSize, bTopDown, nScanlineFormat, pMem, pPal, pSubset, rDamage, bBlack ) ); #ifdef SAL_LOG_INFO std::ostringstream subset; @@ -2194,6 +2199,20 @@ BitmapDeviceSharedPtr createBitmapDevice( const basegfx::B2IVector& rSize IBitmapDeviceDamageTrackerSharedPtr() ); } +BitmapDeviceSharedPtr createClipDevice( const basegfx::B2IVector& rSize ) +{ + BitmapDeviceSharedPtr xClip( + createBitmapDeviceImpl( rSize, + false, /* bTopDown */ + basebmp::FORMAT_ONE_BIT_MSB_GREY, + boost::shared_array< sal_uInt8 >(), + PaletteMemorySharedVector(), + NULL, + IBitmapDeviceDamageTrackerSharedPtr(), + false /* white */) ); + return xClip; +} + BitmapDeviceSharedPtr subsetBitmapDevice( const BitmapDeviceSharedPtr& rProto, const basegfx::B2IBox& rSubset ) { |