t3dlib.h

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/*
*   Direct Draw Function lIBRARY
*   
*   
*   T3DLIB V1.0
*
*
*   Made by quanshengjie
*
*
*   On Febrary 5th 2009
*
*/
#if !defined (_T3DLIB_H_)
#define _T3DLIB_H_
// basic unsigned types
typedef unsigned short USHORT;
typedef unsigned short WORD;
typedef unsigned char  UCHAR;
typedef unsigned char  BYTE;

// container structure for bitmaps .BMP file
typedef struct BITMAP_FILE_TAG
        {
        BITMAPFILEHEADER bitmapfileheader;  // this contains the bitmapfile header
        BITMAPINFOHEADER bitmapinfoheader;  // this is all the info including the palette
        PALETTEENTRY     palette[256];      // we will store the palette here
        UCHAR            *buffer;           // this is a pointer to the data

        } BITMAP_FILE, *BITMAP_FILE_PTR;
// PROTOTYPES  //////////////////////////////////////////////

int Flip_Bitmap(UCHAR *image, int bytes_per_line, int height);

int Load_Bitmap_File(BITMAP_FILE_PTR bitmap, char *filename);

int Unload_Bitmap_File(BITMAP_FILE_PTR bitmap);

bool Show_Bitmap(BITMAP_FILE bitmap, DDSURFACEDESC2 ddsd, int x, int y, int cx, int cy);

LPDIRECTDRAWCLIPPER DDraw_Attach_Clipper(LPDIRECTDRAWSURFACE7 lpdds,
                                         int num_rects,
                                         LPRECT clip_list);

int Draw_Text_GDI(char *text, int x,int y,COLORREF color, LPDIRECTDRAWSURFACE7 lpdds);

int DDraw_Fill_Surface(LPDIRECTDRAWSURFACE7 lpdds,int color);

int Scan_Image_Bitmap(BITMAP_FILE_PTR bitmap, LPDIRECTDRAWSURFACE7 lpdds, int cx,int cy);

LPDIRECTDRAWSURFACE7 DDraw_Create_Surface(int width, int height, int mem_flags, int color_key);

int DDraw_Draw_Surface(LPDIRECTDRAWSURFACE7 source, int x, int y, 
                      int width, int height, LPDIRECTDRAWSURFACE7 dest, 
                      int transparent);    

int DDraw_Draw_Surface_Scaled(LPDIRECTDRAWSURFACE7 source, int x, int y, 
                      int width_src, int height_src, int width_dest, int height_dest, 
                      LPDIRECTDRAWSURFACE7 dest,  int transparent);   

// MACROS /////////////////////////////////////////////////

// tests if a key is up or down
#define KEYDOWN(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0)
#define KEYUP(vk_code)   ((GetAsyncKeyState(vk_code) & 0x8000) ? 0 : 1)

// initializes a direct draw struct
#define DDRAW_INIT_STRUCT(ddstruct) { memset(&ddstruct,0,sizeof(ddstruct)); ddstruct.dwSize=sizeof(ddstruct); }

// this builds a 16 bit color value in 5.5.5 format (1-bit alpha mode)
#define _RGB16BIT555(r,g,b) ((b & 31) + ((g & 31) << 5) + ((r & 31) << 10))

// this builds a 16 bit color value in 5.6.5 format (green dominate mode)
#define _RGB16BIT565(r,g,b) ((b & 31) + ((g & 63) << 5) + ((r & 31) << 11))

// this builds a 32 bit color value in A.8.8.8 format (8-bit alpha mode)
#define _RGB32BIT(a,r,g,b) ((b) + ((g) << 8) + ((r) << 16) + ((a) << 24))

#endif