test/testcursor.c
changeset 1858 d3ac464fb3c1
child 1859 2fce7697adca
equal deleted inserted replaced
1857:417f2af2bd52 1858:d3ac464fb3c1
       
     1 #include <stdio.h>
       
     2 #include <stdlib.h>
       
     3 
       
     4 #include "SDL.h"
       
     5 
       
     6 /* This is an example 16x16 cursor
       
     7 	top left :	black
       
     8 	top right : inverted color or black
       
     9 	bottom left: white
       
    10 	bottom right: transparent
       
    11 	(swap left and right for different endianness)
       
    12 */
       
    13 
       
    14 Uint16 cursor_data[16]={
       
    15 	0xffff,
       
    16 	0xffff,
       
    17 	0xffff,
       
    18 	0xffff,	
       
    19 
       
    20 	0xffff,
       
    21 	0xffff,
       
    22 	0xffff,
       
    23 	0xffff,	
       
    24 
       
    25 	0x0000,
       
    26 	0x0000,
       
    27 	0x0000,
       
    28 	0x0000,
       
    29 
       
    30 	0x0000,
       
    31 	0x0000,
       
    32 	0x0000,
       
    33 	0x0000
       
    34 };
       
    35 
       
    36 Uint16 cursor_mask[16]={
       
    37 	0xff00,
       
    38 	0xff00,
       
    39 	0xff00,
       
    40 	0xff00,
       
    41 
       
    42 	0xff00,
       
    43 	0xff00,
       
    44 	0xff00,
       
    45 	0xff00,
       
    46 
       
    47 	0xff00,
       
    48 	0xff00,
       
    49 	0xff00,
       
    50 	0xff00,
       
    51 
       
    52 	0xff00,
       
    53 	0xff00,
       
    54 	0xff00,
       
    55 	0xff00
       
    56 };
       
    57 
       
    58 int main(int argc, char *argv[])
       
    59 {
       
    60 	SDL_Surface *screen;
       
    61 	SDL_bool quit = SDL_FALSE, first_time = SDL_TRUE;
       
    62 	SDL_Cursor *cursor;
       
    63 	SDL_Rect update_area;
       
    64 
       
    65 	/* Load the SDL library */
       
    66 	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
       
    67 		fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
       
    68 		return(1);
       
    69 	}
       
    70 
       
    71 	screen = SDL_SetVideoMode(320,200,8,SDL_ANYFORMAT);
       
    72 	if (screen==NULL) {
       
    73 		fprintf(stderr, "Couldn't initialize video mode: %s\n",SDL_GetError());
       
    74 		return(1);
       
    75 	}
       
    76 
       
    77 	update_area.x = update_area.y = 0;
       
    78 	update_area.w = screen->w;
       
    79 	update_area.h = screen->h;
       
    80 
       
    81 	SDL_FillRect(screen, NULL, 0x664422);
       
    82 
       
    83 	cursor = SDL_CreateCursor((Uint8 *)cursor_data, (Uint8 *)cursor_mask,
       
    84 		16, 16, 8, 8);
       
    85 	if (cursor==NULL) {
       
    86 		fprintf(stderr, "Couldn't initialize cursor: %s\n",SDL_GetError());
       
    87 		return(1);
       
    88 	}
       
    89 
       
    90 	SDL_SetCursor(cursor);
       
    91 
       
    92 	while (!quit) {
       
    93 		SDL_Event	event;
       
    94 		while (SDL_PollEvent(&event)) {
       
    95 			switch(event.type) {
       
    96 				case SDL_KEYDOWN:
       
    97 					if (event.key.keysym.sym == SDLK_ESCAPE) {
       
    98 						quit = SDL_TRUE;
       
    99 					}
       
   100 					break;
       
   101 				case SDL_QUIT:
       
   102 					quit = SDL_TRUE;
       
   103 					break;
       
   104 			}
       
   105 		}	
       
   106 		if (screen->flags & SDL_DOUBLEBUF) {
       
   107 			if (first_time) {
       
   108 				SDL_UpdateRects(screen, 1, &update_area);
       
   109 				first_time = SDL_FALSE;
       
   110 			}
       
   111 		} else {
       
   112 			SDL_Flip(screen);
       
   113 		}	
       
   114 		SDL_Delay(1);
       
   115 	}
       
   116 
       
   117 	SDL_FreeCursor(cursor);
       
   118 
       
   119 	SDL_Quit();
       
   120 	return(0);
       
   121 }