render_rend.h.svn-base

A Flash Player with ActionScript support. Write in C and C++. It have two part, one is Player and an

#ifndef _RENDER_H_
#define _RENDER_H_
#define ALPHA_OPAQUE 255
#include "xwin_pub.h"
#include "shape_def.h"
#include "base_types.h"

struct tb {
    unsigned long p1;
    unsigned long p2;
};

typedef enum FillType {
    f_Solid          = 0x00,
    f_LinearGradient = 0x10,
    f_RadialGradient = 0x12,
    f_TiledBitmap    = 0x40,
    f_clippedBitmap  = 0x41,
    f_None	 = 0x80
}FillType;

typedef struct Gradient Gradient;
typedef struct FillStyle     FillStyleDef;
typedef struct Segment {
    long 		x1,x2;
    long		ymax;
    FillStyleDef	*fs[2];	// 0 is left 1 is right
    int		 	aa;
    long		dX;
    long		X;

    struct Segment 	*next;
    struct Segment 	*nextValid;
}
Segment;


#define FRAC_BITS    5
#define FRAC         (1 << FRAC_BITS)
#define NB_SEGMENT_MAX (2048*4)


#define SEGFRAC	     8

struct grend {
    int                     num;
    int                      g_has_alpha;
    struct Matrix                   g_imat;
    struct RGBA                  *g_ramp;
    struct grend *           next;
};

struct brend {
    int                     num;
    struct Matrix                   BitmapMatrix;
    struct RGBA               *cmap;
    unsigned char *alpha_table;
    struct brend * next;
};


typedef struct GraphicDevice {
    //first part
    int			 targetWidth;
    int 		 targetHeight;
    struct RECT		 viewPort;
    int			 movieWidth;
    int			 movieHeight;
    int			 zoom;
    unsigned long	 redMask;
    unsigned long	 greenMask;
    unsigned long	 blueMask;
    int			 clipping;
    //
    //second part
    FlashDisplay	*flashDisplay;
    int			 bgInitialized;
    struct RGBA		 backgroundColor;
    struct RGBA		 foregroundColor;


    //third part
    void 		*scan_line_func_id;
    ScanLineFunc 	scan_line_func;
    struct RECT		clip_rect;


    //forth part
    Segment 		**thissegs;
    Segment 		**thissegs1;
    int 		thisymin,thisymax;
    int 		thisheight;
    Segment 		*seg_pool;
    Segment 		*seg_pool_cur;

    //fifth part
    struct Matrix		*adjust;	// Matrix to fit window (shrink or expand)
    long		showMore;	// Used for debugging

    // For Direct Graphics
    unsigned char 	*canvasBuffer;	// A pointer to canvas'memory
    long		bpl;	// Bytes per line
    long		bpp;	// Bytes per pixel
    long		pad;
}
GraphicDevice;


/*FillStyleDefPrepare() {
        style_size += sizeof(FillStyleDef);
        style_nb++;
    }*/
long allocColor16(GraphicDevice *gd,struct RGBA color);
void clearCanvas16(GraphicDevice *gd,int first_frame);
void fillLineAA16(GraphicDevice *gd,FillStyleDef *f, long y, long start, long end);
void fillLine16(GraphicDevice *gd,FillStyleDef *f, long y, long start, long end);
void fillLineBitmap(GraphicDevice *gd,FillStyleDef *f, long y, long start, long end);
void fillLineLG16(GraphicDevice *gd,struct Gradient *grad, long y, long start, long end);
void fillLineRG16(GraphicDevice *gd,struct Gradient *grad, long y, long start, long end);
void drawLine16(GraphicDevice *gd,long x1, long y1, long x2, long y2, long width);




Segment * allocSeg(GraphicDevice *gd);
Segment * progressSegments(GraphicDevice *gd,Segment * curSegs, long y);
Segment * newSegments(GraphicDevice *gd,Segment *curSegs, Segment *newSegs);
void      renderScanLine(GraphicDevice *gd,long y, Segment *curSegs);
long	 clip(GraphicDevice *gd,long *y, long *start, long *end);
int	 setBackgroundColor(GraphicDevice *gd,struct RGBA Color);
void	 setForegroundColor(GraphicDevice *gd,struct RGBA Color);
struct RGBA getBackgroundColor(GraphicDevice *gd);
struct RGBA getForegroundColor(GraphicDevice *gd);
void	 setMovieDimension(GraphicDevice *gd,long width, long height);
void	 setMovieZoom(GraphicDevice *gd,int zoom);
void	 setMovieOffset(GraphicDevice *gd,long x, long y);
long	 getWidth(GraphicDevice *gd);
long	 getHeight(GraphicDevice *gd);
struct RGBA *getColormap(GraphicDevice *gd,struct RGBA *old, long n, struct CxFormWithAlpha *cxform);

void 	 drawBox(GraphicDevice *gd,long x1, long y1, long x2, long y2);

void     addSegment(GraphicDevice *gd,long x1, long y1, long x2, long y2,
                    FillStyleDef *f0,
                    FillStyleDef *f1,
                    int aa);

void     drawPolygon(GraphicDevice *gd);

void	 updateClippingRegion(GraphicDevice *gd,struct RECT *);
void	 setClipping(GraphicDevice *gd,int x);

#endif