expand.h

linux嵌入式开发程序

/****************************************************************************
	2D Graphics Library
	ALL RIGHTS RESERVED, COPYRIGHT (C) FUJITSU LIMITED 2001 - 2002
	LICENSED MATERIAL - PROGRAM PROPERTY OF FUJITSU LIMITED
 ****************************************************************************/

typedef struct GL_EXPAND_t {
    int     a, b, c, d ;
    int     x1, y1, x2, y2 ;
    int     dw, dh ;
    int     ox, oy ;
    unsigned char    *pDst ;

    unsigned char    *pSrcData ;
    int     nSrcWidth ;
    int     nSrcHeight ;
    int     nSrcBpl ;

    unsigned char    *pDstData ;
    int     nDstWidth ;
    int     nDstHeight ;
    int     nDstBpl ;
    int     dx, dy ;
    int     vx1, vy1, vx2, vy2 ;
    int     nBpp ;

    int     nRotate ;
    int     nSlope ;
    int     nAxis ;
    void    *pTable ;

    int     nhx, nhy ;
    int     nvx, nvy ;
    int     hg, vg ;

} GL_EXPAND ;


#define GL_EXPAND_AXIS_CENTER       4
#define GL_EXPAND_AXIS_TOPLEFT      0
#define GL_EXPAND_AXIS_TOPRIGHT     2
#define GL_EXPAND_AXIS_BOTTOMLEFT   6
#define GL_EXPAND_AXIS_BOTTOMRIGHT  8
#define GL_EXPAND_AXIS_CENTER2      10


#ifdef __cplusplus
extern "C" {
#endif

void    ExpandReadyRGB24( GL_EXPAND *info ) ;
void    ExpandNearestNeighborRGB24(GL_EXPAND  *info);
void    ExpandBilinearRGB24(GL_EXPAND  *info);
void    ExpandBicubicRGB24(GL_EXPAND  *info);
void    ExpandCubicRGB24(GL_EXPAND  *info);

void    ExpandReadyYUV422( GL_EXPAND *info ) ;
void    ExpandNearestNeighborYUV422(GL_EXPAND  *info);
void    ExpandBilinearYUV422(GL_EXPAND  *info);
void    ExpandBicubicYUV422(GL_EXPAND  *info);
void    ExpandCubicYUV422(GL_EXPAND  *info);

extern  short  ExpandBicubicTableAlpha_0_5[] ;
extern  short  ExpandBicubicTableAlpha_1_0[] ;
extern  short  ExpandBicubicTableAlpha_1_5[] ;
extern  short  ExpandBicubicTableAlpha_2_0[] ;

#ifdef _WINDOWS
void    ExpandStartPos( int a,int b,int c, int d, int &fx, int &fy, int ex, int ey, unsigned char *&pDst, int nBytesPerPixel, int &w) ;
void    ExpandStartPosColumnScan( int a,int b,int c, int d, int &fx, int &fy, int ex, int ey, unsigned char *&pDst, int nBytesPerPixel, int &h) ;
#endif

#ifdef __cplusplus
}
#endif