/programs/demos/SDL/SDLTest.c |
---|
1,22 → 1,125 |
#include "SDL.h" |
/* |
Makefile in this folder |
-- maxcodehack |
*/ |
/* Simple program: Test bitmap blits */ |
#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
SDL_Surface* screen; |
static int done = 0; |
// We can use Newlib functions with Menuetlibc library SDL! |
#include <kos32sys.h> |
int main() |
#include "SDL.h" |
#include "picture.xbm" |
SDL_Surface *LoadXBM(SDL_Surface *screen, int w, int h, Uint8 *bits) |
{ |
SDL_Surface *bitmap; |
Uint8 *line; |
/* Allocate the bitmap */ |
bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 1, 0, 0, 0, 0); |
if ( bitmap == NULL ) { |
fprintf(stderr, "Couldn't allocate bitmap: %s\n", |
SDL_GetError()); |
return(NULL); |
} |
/* Copy the pixels */ |
line = (Uint8 *)bitmap->pixels; |
w = (w+7)/8; |
while ( h-- ) { |
memcpy(line, bits, w); |
/* X11 Bitmap images have the bits reversed */ |
{ int i, j; Uint8 *buf, byte; |
for ( buf=line, i=0; i<w; ++i, ++buf ) { |
byte = *buf; |
*buf = 0; |
for ( j=7; j>=0; --j ) { |
*buf |= (byte&0x01)<<j; |
byte >>= 1; |
} |
} |
} |
line += bitmap->pitch; |
bits += w; |
} |
return(bitmap); |
} |
int main(int argc, char *argv[]) |
{ |
SDL_Surface *screen; |
SDL_Surface *bitmap; |
Uint8 video_bpp; |
Uint32 videoflags; |
Uint8 *buffer; |
int i, done; |
SDL_Event event; |
if(SDL_Init(SDL_INIT_VIDEO) < 0) exit(0); |
/* Initialize SDL */ |
if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { |
fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
exit(1); |
} |
atexit(SDL_Quit); |
screen = SDL_SetVideoMode(320, 200, 8, SDL_SWSURFACE); |
while (!done) |
{ |
while (SDL_PollEvent(&event)) |
{ |
switch (event.type) |
{ |
video_bpp = 0; |
videoflags = SDL_SWSURFACE; |
/* Set 640x480 video mode */ |
if ( (screen=SDL_SetVideoMode(640,480,video_bpp,videoflags)) == NULL ) { |
fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n", |
video_bpp, SDL_GetError()); |
exit(2); |
} |
/* Set the surface pixels and refresh! */ |
if ( SDL_LockSurface(screen) < 0 ) { |
fprintf(stderr, "Couldn't lock the display surface: %s\n", |
SDL_GetError()); |
exit(2); |
} |
buffer=(Uint8 *)screen->pixels; |
for ( i=0; i<screen->h; ++i ) { |
memset(buffer,(i*255)/screen->h, screen->pitch); |
buffer += screen->pitch; |
} |
SDL_UnlockSurface(screen); |
SDL_UpdateRect(screen, 0, 0, 0, 0); |
/* Load the bitmap */ |
bitmap = LoadXBM(screen, picture_width, picture_height, |
(Uint8 *)picture_bits); |
if ( bitmap == NULL ) { |
exit(1); |
} |
/* Wait for a keystroke */ |
done = 0; |
while ( !done ) { |
/* Check for events */ |
while ( SDL_PollEvent(&event) ) { |
switch (event.type) { |
case SDL_MOUSEBUTTONDOWN: { |
SDL_Rect dst; |
dst.x = event.button.x - bitmap->w/2; |
dst.y = event.button.y - bitmap->h/2; |
dst.w = bitmap->w; |
dst.h = bitmap->h; |
SDL_BlitSurface(bitmap, NULL, |
screen, &dst); |
SDL_UpdateRects(screen,1,&dst); |
} |
break; |
case SDL_KEYDOWN: |
/* Any key press quits the app... */ |
done = 1; |
break; |
case SDL_QUIT: |
done = 1; |
break; |
23,6 → 126,13 |
default: |
break; |
} |
// We can use Newlib functions with Menuetlibc library SDL! |
// For example: |
draw_bar(10, 10, 50, 50, 0xFFFFFF); |
} |
} |
SDL_FreeSurface(bitmap); |
SDL_Quit(); |
return 0; |
} |
/programs/demos/SDL/picture.xbm |
---|
0,0 → 1,14 |
#define picture_width 32 |
#define picture_height 32 |
static char picture_bits[] = { |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x80, 0x01, 0x18, |
0x64, 0x6f, 0xf6, 0x26, 0x0a, 0x00, 0x00, 0x50, 0xf2, 0xff, 0xff, 0x4f, |
0x14, 0x04, 0x00, 0x28, 0x14, 0x0e, 0x00, 0x28, 0x10, 0x32, 0x00, 0x08, |
0x94, 0x03, 0x00, 0x08, 0xf4, 0x04, 0x00, 0x08, 0xb0, 0x08, 0x00, 0x08, |
0x34, 0x01, 0x00, 0x28, 0x34, 0x01, 0x00, 0x28, 0x12, 0x00, 0x40, 0x48, |
0x12, 0x20, 0xa6, 0x48, 0x14, 0x50, 0x11, 0x29, 0x14, 0x50, 0x48, 0x2a, |
0x10, 0x27, 0xac, 0x0e, 0xd4, 0x71, 0xe8, 0x0a, 0x74, 0x20, 0xa8, 0x0a, |
0x14, 0x20, 0x00, 0x08, 0x10, 0x50, 0x00, 0x08, 0x14, 0x00, 0x00, 0x28, |
0x14, 0x00, 0x00, 0x28, 0xf2, 0xff, 0xff, 0x4f, 0x0a, 0x00, 0x00, 0x50, |
0x64, 0x6f, 0xf6, 0x26, 0x18, 0x80, 0x01, 0x18, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |