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support CGGraphics Masks, switch xbm interpretation to be in line with msw

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41966 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2006-10-12 06:43:47 +00:00
parent f98bd6d6cf
commit b083987dba
1 changed files with 29 additions and 7 deletions
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36
src/mac/carbon/bitmap.cpp
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@@ -552,15 +552,37 @@ CGImageRef wxBitmapRefData::CGImageCreate() const
membuf = new wxMemoryBuffer( m_memBuf ) ;
}
CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace();
CGDataProviderRef dataProvider =
CGDataProviderCreateWithData(
membuf , (const void *)membuf->GetData() , imageSize,
wxMacMemoryBufferReleaseProc );
image =
CGDataProviderRef dataProvider = NULL ;
if ( m_depth == 1 )
{
wxMemoryBuffer* maskBuf = new wxMemoryBuffer( m_width * m_height );
unsigned char * maskBufData = (unsigned char *) maskBuf->GetData();
unsigned char * bufData = (unsigned char *) membuf->GetData() ;
// copy one color component
for( int i = 0 ; i < m_width * m_height ; ++i )
maskBufData[i] = bufData[i*4+3];
dataProvider =
CGDataProviderCreateWithData(
maskBuf , (const void *) maskBufData , m_width * m_height,
wxMacMemoryBufferReleaseProc );
// as we are now passing the mask buffer to the data provider, we have
// to release the membuf ourselves
delete membuf ;
image = ::CGImageMaskCreate( w, h, 8, 8, m_width , dataProvider, NULL, false );
}
else
{
CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace();
dataProvider =
CGDataProviderCreateWithData(
membuf , (const void *)membuf->GetData() , imageSize,
wxMacMemoryBufferReleaseProc );
image =
::CGImageCreate(
w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo ,
dataProvider, NULL , false , kCGRenderingIntentDefault );
}
CGDataProviderRelease( dataProvider);
}
else
@@ -811,7 +833,7 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits
bit = x % 8 ;
mask = 1 << bit ;
if ( !(linestart[index] & mask ) )
if ( linestart[index] & mask )
{
*destination++ = 0xFF ;
*destination++ = 0 ;