diff options
Diffstat (limited to 'src/gfx.c')
| -rw-r--r-- | src/gfx.c | 84 |
1 files changed, 84 insertions, 0 deletions
@@ -74,6 +74,26 @@ static int scale; static void (*putpixel)(int x, int y, Uint32 col); +#define NO_BMPIX 10 + +static struct +{ + Uint32 col; + int r,g,b; +} bmpix[NO_BMPIX]= +{ + {0, 0x00,0x00,0x00}, /* BLACK */ + {0, 0x00,0x00,0xff}, /* BLUE */ + {0, 0xff,0x00,0x00}, /* RED */ + {0, 0xff,0x00,0xff}, /* MAGENTA */ + {0, 0x00,0xff,0x00}, /* GREEN */ + {0, 0x00,0xff,0xff}, /* CYAN */ + {0, 0xff,0xff,0x00}, /* YELLOW */ + {0, 0xff,0xff,0xff}, /* WHITE */ + {0, 0x90,0x90,0x90}, /* GREY */ +}; + + /* ---------------------------------------- PRIVATE FUNCTIONS */ @@ -146,10 +166,29 @@ static void DoVLine(int x, int y1, int y2, Uint32 col) } +static void BMPlot(int bx, int by, int *x, int *y, int w, int h, int col) +{ + if (*y<h) + { + putpixel(bx+*x,by+*y,bmpix[col].col); + + (*x)++; + + if (*x==w) + { + *x=0; + (*y)++; + } + } +} + + /* ---------------------------------------- EXPORTED INTERFACES */ void GFXInit(void) { + int f; + if (IConfig(CONF_FULLSCREEN)) scale=1; else @@ -188,6 +227,9 @@ void GFXInit(void) SDL_ShowCursor(SDL_DISABLE); SDL_WM_SetCaption("eSPEC","eSPEC"); + for(f=0;f<NO_BMPIX;f++) + bmpix[f].col=GFXRGB(bmpix[f].r,bmpix[f].g,bmpix[f].b); + atexit(SDL_Quit); } @@ -417,4 +459,46 @@ void GFXPrintPaper(int x, int y, Uint32 col, Uint32 paper, } +void GFXBitmap(int x, int y, int w, int h, const unsigned char *data) +{ + int pix; + int px,py; + + LOCK; + + pix=0; + px=0; + py=0; + + while(TRUE) + { + int i; + + i=*data++; + + if (i<0x80) + { + pix=i; + + BMPlot(x,y,&px,&py,w,h,pix); + + if (py>=h) + break; + } + else + { + int f; + + for (f=0;f<i-0x80;f++) + BMPlot(x,y,&px,&py,w,h,pix); + + if (py>=h) + break; + } + } + + UNLOCK; +} + + /* END OF FILE */ |