Rev 9204 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 9204 | Rev 9766 | ||
|---|---|---|---|
| Line 15... | Line 15... | ||
| 15 | 15 | ||
| 16 | pixmem32 = (Uint32*) screen->pixels + y + x; |
16 | pixmem32 = (Uint32*)screen->pixels + y + x; |
| 17 | *pixmem32 = colour; |
17 | *pixmem32 = colour; |
| Line 18... | Line -... | ||
| 18 | } |
- | |
| 19 | 18 | } |
|
| 20 | 19 | ||
| 21 | void DrawScreen(SDL_Surface* screen, int h) |
20 | void DrawScreen(SDL_Surface* screen, int h) |
| Line 22... | Line 21... | ||
| 22 | { |
21 | { |
| 23 | int x, y, ytimesw; |
- | |
| 24 | 22 | int x, y, ytimesw; |
|
| - | 23 | ||
| 25 | if(SDL_MUSTLOCK(screen)) |
24 | if (SDL_MUSTLOCK(screen)) { |
| Line 26... | Line 25... | ||
| 26 | { |
25 | if (SDL_LockSurface(screen) < 0) |
| 27 | if(SDL_LockSurface(screen) < 0) return; |
- | |
| 28 | } |
26 | return; |
| 29 | 27 | } |
|
| 30 | for(y = 0; y < screen->h; y++ ) |
- | |
| 31 | { |
28 | |
| 32 | ytimesw = y*screen->pitch/BPP; |
29 | for (y = 0; y < screen->h; y++) { |
| 33 | for( x = 0; x < screen->w; x++ ) |
30 | ytimesw = y * screen->pitch / BPP; |
| - | 31 | for (x = 0; x < screen->w; x++) { |
|
| 34 | { |
32 | setpixel(screen, x, ytimesw, (x * x) / 256 + 3 * y + h, (y * y) / 256 + x + h, h); |
| Line 35... | Line 33... | ||
| 35 | setpixel(screen, x, ytimesw, (x*x)/256+3*y+h, (y*y)/256+x+h, h); |
33 | } |
| 36 | } |
34 | } |
| Line 37... | Line -... | ||
| 37 | } |
- | |
| 38 | if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen); |
35 | if (SDL_MUSTLOCK(screen)) |
| 39 | 36 | SDL_UnlockSurface(screen); |
|
| 40 | SDL_Flip(screen); |
37 | |
| 41 | } |
38 | SDL_Flip(screen); |
| Line 42... | Line 39... | ||
| 42 | 39 | } |
|
| 43 | 40 | ||
| Line 44... | Line 41... | ||
| 44 | int main(int argc, char* argv[]) |
41 | int main(int argc, char* argv[]) |
| - | 42 | { |
|
| Line 45... | Line 43... | ||
| 45 | { |
43 | SDL_Surface* screen; |
| 46 | SDL_Surface *screen; |
- | |
| 47 | SDL_Event event; |
44 | SDL_Event event; |
| 48 | 45 | ||
| 49 | int keypress = 0; |
46 | int keypress = 0; |
| Line 50... | Line 47... | ||
| 50 | int h=0; |
47 | int h = 0; |
| 51 | - | ||
| 52 | if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1; |
48 | |
| 53 | 49 | if (SDL_Init(SDL_INIT_VIDEO) < 0) |
|
| 54 | if (!(screen = SDL_SetVideoMode(WIDTH, HEIGHT, DEPTH, SDL_FULLSCREEN|SDL_HWSURFACE))) |
- | |
| 55 | { |
50 | return 1; |
| 56 | SDL_Quit(); |
- | |
| 57 | return 1; |
51 | |
| 58 | } |
52 | if (!(screen = SDL_SetVideoMode(WIDTH, HEIGHT, DEPTH, SDL_FULLSCREEN | SDL_HWSURFACE))) { |
| 59 | 53 | SDL_Quit(); |
|
| 60 | while(!keypress) |
54 | return 1; |
| 61 | { |
55 | } |