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Fast Bitmap Rotation and Scaling


July 2001/Fast Bitmap Rotation and Scaling/Listing 3

Listing 3: rotate.h — Interface to rotation functions

///////////////////////////////////////////////////////////////////
void Rotate(
    WORD *pDstBase, int dstW, int dstH, int dstDelta,
    WORD *pSrcBase, int srcW, int srcH, int srcDelta,
    float fDstRotCenterX, float fDstRotCenterY,
    float fSrcRotCenterX, float fSrcRotCenterY, 
    float fAngle, float fScale);

///////////////////////////////////////////////////////////////////
void FastRotate(
    WORD *pDstBase, int dstW, int dstH, int dstDelta,
    WORD *pSrcBase, int srcW, int srcH, int srcDelta,
    float fDstRotCenterX, float fDstRotCenterY,
    float fSrcRotCenterX, float fSrcRotCenterY, 
    float fAngle, float fScale);

///////////////////////////////////////////////////////////////////
void RotateWithClip(
    WORD *pDstBase, int dstW, int dstH, int dstDelta,
    WORD *pSrcBase, int srcW, int srcH, int srcDelta,
    float fDstRotCenterX, float fDstRotCenterY,
    float fSrcRotCenterX, float fSrcRotCenterY, 
    float fAngle, float fScale);
/* End of File */

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