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comparison test/testcursor.c @ 1858:d3ac464fb3c1

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Add program to test mouse cursor change
author Patrice Mandin <patmandin@gmail.com>
date Wed, 14 Jun 2006 18:59:30 +0000
parents
children 2fce7697adca
comparison
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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 }