void wxBitmapDataObject::SetBitmap( const wxBitmap& rBitmap )
{
Clear();
wxBitmapDataObjectBase::SetBitmap( rBitmap );
if (m_bitmap.Ok())
{
#if wxMAC_USE_CORE_GRAPHICS
CGImageRef cgImageRef = (CGImageRef) m_bitmap.CGImageCreate();
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
if ( UMAGetSystemVersion() >= 0x1040 )
{
CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
CGImageDestinationRef destination = CGImageDestinationCreateWithData( data , kUTTypeTIFF , 1 , NULL );
if ( destination )
{
CGImageDestinationAddImage( destination, cgImageRef, NULL );
CGImageDestinationFinalize( destination );
CFRelease( destination );
}
m_pictHandle = NewHandle(CFDataGetLength(data));
if ( m_pictHandle )
{
memcpy( *(Handle)m_pictHandle, (const char *)CFDataGetBytePtr(data), CFDataGetLength(data) );
}
CFRelease( data );
}
else
#endif
#ifndef __LP64__
{
// export as TIFF
GraphicsExportComponent exporter = 0;
OSStatus err = OpenADefaultComponent(GraphicsExporterComponentType, kQTFileTypeTIFF, &exporter);
if (noErr == err)
{
m_pictHandle = NewHandle(0);
if ( m_pictHandle )
{
err = GraphicsExportSetInputCGImage( exporter, cgImageRef);
err = GraphicsExportSetOutputHandle(exporter, (Handle)m_pictHandle);
err = GraphicsExportDoExport(exporter, NULL);
}
CloseComponent( exporter );
}
}
#endif
CGImageRelease(cgImageRef);
#else
m_pictHandle = m_bitmap.GetBitmapData()->GetPictHandle();
m_pictCreated = false;
#endif
}
}
static void exportCGImageToFileWithQT(CGImageRef image, CFURLRef url,
CFStringRef outputFormat,
float dpi)
{
Handle dataRef = NULL;
OSType dataRefType;
GraphicsExportComponent graphicsExporter;
unsigned long sizeWritten;
ComponentResult result;
OSType imageExportType;
if(CFStringCompare(outputFormat, kUTTypeTIFF, kCFCompareCaseInsensitive) == kCFCompareEqualTo){
imageExportType = kQTFileTypeTIFF;
}else if(CFStringCompare(outputFormat, kUTTypePNG, kCFCompareCaseInsensitive) == kCFCompareEqualTo){
imageExportType = kQTFileTypePNG;
}else if(CFStringCompare(outputFormat, kUTTypeJPEG, kCFCompareCaseInsensitive) == kCFCompareEqualTo){
imageExportType = kQTFileTypeJPEG;
}else{
fprintf(stderr, "Requested image export format %@s unsupported\n", outputFormat);
return;
}
result = QTNewDataReferenceFromCFURL(url, 0, &dataRef, &dataRefType);
if(!result){
result = OpenADefaultComponent(GraphicsExporterComponentType,
imageExportType, &graphicsExporter);
if(!result){
result = GraphicsExportSetInputCGImage(graphicsExporter,
image);
if(!result)
result = GraphicsExportSetResolution(graphicsExporter,
FloatToFixed(dpi), FloatToFixed(dpi));
if(!result)
result = GraphicsExportSetOutputDataReference(
graphicsExporter, dataRef, dataRefType);
if(!result)
result = GraphicsExportDoExport(
graphicsExporter, &sizeWritten);
CloseComponent(graphicsExporter);
}
}
if(dataRef)
DisposeHandle(dataRef);
if(result)
fprintf(stderr, "QT export got bad result = %d!\n", (int)result);
return;
}
