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do coordinate conversion in the context creation already

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@46293 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2007-06-03 10:59:44 +00:00
parent 7eab1fe3cc
commit 1c9461245f
1 changed files with 4 additions and 0 deletions
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4
src/mac/carbon/bitmap.cpp
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@@ -227,6 +227,8 @@ bool wxBitmapRefData::Create( int w , int h , int d )
#else
m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
CGContextTranslateCTM( m_hBitmap, 0, m_height );
CGContextScaleCTM( m_hBitmap, 1, -1 );
#endif
m_ok = ( m_hBitmap != NULL ) ;
@@ -243,6 +245,8 @@ void wxBitmapRefData::UseAlpha( bool use )
CGContextRelease( m_hBitmap );
m_hBitmap = CGBitmapContextCreate((char*) m_memBuf.GetData(), m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), m_hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst );
wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
CGContextTranslateCTM( m_hBitmap, 0, m_height );
CGContextScaleCTM( m_hBitmap, 1, -1 );
#else
if ( m_hasAlpha )
{