test/testcursor.c
author Patrice Mandin <patmandin@gmail.com>
Wed, 14 Jun 2006 19:03:01 +0000
changeset 1859 2fce7697adca
parent 1858 d3ac464fb3c1
child 1862 fe99535ac064
permissions -rw-r--r--
Oops, reverted single/double buffer update
     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 			SDL_Flip(screen);
   108 		} else {
   109 			if (first_time) {
   110 				SDL_UpdateRects(screen, 1, &update_area);
   111 				first_time = SDL_FALSE;
   112 			}
   113 		}	
   114 		SDL_Delay(1);
   115 	}
   116 
   117 	SDL_FreeCursor(cursor);
   118 
   119 	SDL_Quit();
   120 	return(0);
   121 }