symbian BMP 旋转90”
2013年10月09日
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- CFbsBitmap* CameraManager::rotateBitmap90 (CFbsBitmap& src)
- {
- CFbsBitmap* pDstBmp = new (ELeave) CFbsBitmap ();
- TSize srcSize = src.SizeInPixels();
- TDisplayMode mode = src.DisplayMode();
- User::LeaveIfError(pDstBmp->Create(TSize(srcSize.iHeight,srcSize.iWidth), src.DisplayMode()));
-
- TBitmapUtil srcUtil ( &src );
- TBitmapUtil dstUtil ( pDstBmp );
-
- srcUtil.Begin(TPoint(0,0));
- dstUtil.Begin(TPoint(0,0));
- if ( mode == EColor16MU )
- {
- TUint32* pDataSrc = src.DataAddress();
- TUint32* pDataDst = pDstBmp->DataAddress();
- for (TInt32 j = 0 ; j < srcSize.iWidth ; j++)
- {
- for ( TInt32 i = 0; i < srcSize.iHeight; i++ )
- {
- pDataDst [ j* srcSize.iHeight + i ] = pDataSrc [ ( srcSize.iHeight - i - 1 ) * srcSize.iWidth + j ];
- }
- }
- }
- srcUtil.End();
- dstUtil.End();
- return pDstBmp;
- }