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Rev 8202 Rev 8218
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/*
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Makefile in this folder
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-- maxcodehack
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*/
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/* Simple program:  Test bitmap blits */
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#include
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#include
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#include
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// We can use Newlib functions with Menuetlibc library SDL!
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#include
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#include "SDL.h"
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#include "SDL.h"
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#include "picture.xbm"
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#include
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SDL_Surface *LoadXBM(SDL_Surface *screen, int w, int h, Uint8 *bits)
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{
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	SDL_Surface *bitmap;
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	Uint8 *line;
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	/* Allocate the bitmap */
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	bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 1, 0, 0, 0, 0);
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	if ( bitmap == NULL ) {
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		fprintf(stderr, "Couldn't allocate bitmap: %s\n",
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						SDL_GetError());
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		return(NULL);
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	}
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	/* Copy the pixels */
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	line = (Uint8 *)bitmap->pixels;
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	w = (w+7)/8;
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	while ( h-- ) {
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		memcpy(line, bits, w);
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		/* X11 Bitmap images have the bits reversed */
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		{ int i, j; Uint8 *buf, byte;
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			for ( buf=line, i=0; i
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				byte = *buf;
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				*buf = 0;
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				for ( j=7; j>=0; --j ) {
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					*buf |= (byte&0x01)<
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SDL_Surface* screen;
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					byte >>= 1;
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				}
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			}
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		}
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		line += bitmap->pitch;
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		bits += w;
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	}
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	return(bitmap);
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}
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static int done = 0;
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int main(int argc, char *argv[])
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{
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	SDL_Surface *screen;
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	SDL_Surface *bitmap;
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	Uint8  video_bpp;
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	Uint32 videoflags;
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	Uint8 *buffer;
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int main()
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	int i, done;
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	SDL_Event event;
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{
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	/* Initialize SDL */
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	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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		fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
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		exit(1);
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	SDL_Event event;
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	}
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	atexit(SDL_Quit);
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	video_bpp = 0;
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	videoflags = SDL_SWSURFACE;
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	if(SDL_Init(SDL_INIT_VIDEO) < 0) exit(0);
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	/* Set 640x480 video mode */
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	if ( (screen=SDL_SetVideoMode(640,480,video_bpp,videoflags)) == NULL ) {
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		fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
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	atexit(SDL_Quit);
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						video_bpp, SDL_GetError());
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	screen = SDL_SetVideoMode(320, 200, 8, SDL_SWSURFACE);
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		exit(2);
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	}
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	/* Set the surface pixels and refresh! */
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	if ( SDL_LockSurface(screen) < 0 ) {
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	while (!done)
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		fprintf(stderr, "Couldn't lock the display surface: %s\n",
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							SDL_GetError());
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		exit(2);
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	}
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	buffer=(Uint8 *)screen->pixels;
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	for ( i=0; ih; ++i ) {
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		memset(buffer,(i*255)/screen->h, screen->pitch);
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		buffer += screen->pitch;
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	}
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	SDL_UnlockSurface(screen);
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	SDL_UpdateRect(screen, 0, 0, 0, 0);
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	/* Load the bitmap */
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	bitmap = LoadXBM(screen, picture_width, picture_height,
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					(Uint8 *)picture_bits);
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	if ( bitmap == NULL ) {
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	{
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		exit(1);
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	}
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	/* Wait for a keystroke */
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	done = 0;
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	while ( !done ) {
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		/* Check for events */
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		while (SDL_PollEvent(&event))
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		while ( SDL_PollEvent(&event) ) {
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			switch (event.type) {
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				case SDL_MOUSEBUTTONDOWN: {
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					SDL_Rect dst;
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					dst.x = event.button.x - bitmap->w/2;
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					dst.y = event.button.y - bitmap->h/2;
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					dst.w = bitmap->w;
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					dst.h = bitmap->h;
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					SDL_BlitSurface(bitmap, NULL,
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								screen, &dst);
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		{
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					SDL_UpdateRects(screen,1,&dst);
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					}
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			switch (event.type)
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					break;
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				case SDL_KEYDOWN:
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					/* Any key press quits the app... */
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					done = 1;
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			{
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					break;
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				case SDL_KEYDOWN:
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				case SDL_QUIT:
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				case SDL_QUIT:
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					done = 1;
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					done = 1;
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					break;
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					break;
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				default:
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				default:
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					break;
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			}
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			// We can use Newlib functions with Menuetlibc library SDL!
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			// For example:
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					break;
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			draw_bar(10, 10, 50, 50, 0xFFFFFF);
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			}
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		}
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	}
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	SDL_FreeSurface(bitmap);
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	SDL_Quit();
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		}