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comparison test/testcursor.c @ 1708:cd14138a8703 SDL-1.3

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Merged fix for bug #240 from SDL 1.2
author Sam Lantinga <slouken@libsdl.org>
date Sat, 24 Jun 2006 17:31:46 +0000
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1707:57ce47f033a5 1708:cd14138a8703
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 /* another test cursor: smaller than 16x16, and with an odd height */
59
60 Uint8 small_cursor_data[11] =
61 { 0x00, 0x18, 0x08, 0x38, 0x44, 0x54, 0x44, 0x38, 0x20, 0x20, 0x00 };
62 Uint8 small_cursor_mask[11] =
63 { 0x3C, 0x3C, 0x3C, 0x7C, 0xC6, 0xC6, 0xC6, 0x7C, 0x78, 0x70, 0x70 };
64
65 /* XPM */
66 static const char *arrow[] = {
67 /* width height num_colors chars_per_pixel */
68 " 32 32 3 1",
69 /* colors */
70 "X c #000000",
71 ". c #ffffff",
72 " c None",
73 /* pixels */
74 "X ",
75 "XX ",
76 "X.X ",
77 "X..X ",
78 "X...X ",
79 "X....X ",
80 "X.....X ",
81 "X......X ",
82 "X.......X ",
83 "X........X ",
84 "X.....XXXXX ",
85 "X..X..X ",
86 "X.X X..X ",
87 "XX X..X ",
88 "X X..X ",
89 " X..X ",
90 " X..X ",
91 " X..X ",
92 " XX ",
93 " ",
94 " ",
95 " ",
96 " ",
97 " ",
98 " ",
99 " ",
100 " ",
101 " ",
102 " ",
103 " ",
104 " ",
105 " ",
106 "0,0"
107 };
108
109 static SDL_Cursor *
110 create_arrow_cursor()
111 {
112 int i, row, col;
113 Uint8 data[4 * 32];
114 Uint8 mask[4 * 32];
115 int hot_x, hot_y;
116
117 i = -1;
118 for (row = 0; row < 32; ++row) {
119 for (col = 0; col < 32; ++col) {
120 if (col % 8) {
121 data[i] <<= 1;
122 mask[i] <<= 1;
123 } else {
124 ++i;
125 data[i] = mask[i] = 0;
126 }
127 switch (arrow[4 + row][col]) {
128 case 'X':
129 data[i] |= 0x01;
130 mask[i] |= 0x01;
131 break;
132 case '.':
133 mask[i] |= 0x01;
134 break;
135 case ' ':
136 break;
137 }
138 }
139 }
140 sscanf(arrow[4 + row], "%d,%d", &hot_x, &hot_y);
141 return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y);
142 }
143
144
145 int
146 main(int argc, char *argv[])
147 {
148 SDL_Surface *screen;
149 SDL_bool quit = SDL_FALSE, first_time = SDL_TRUE;
150 SDL_Cursor *cursor[3];
151 int current;
152
153 /* Load the SDL library */
154 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
155 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
156 return (1);
157 }
158
159 screen = SDL_SetVideoMode(320, 200, 8, SDL_ANYFORMAT);
160 if (screen == NULL) {
161 fprintf(stderr, "Couldn't initialize video mode: %s\n",
162 SDL_GetError());
163 return (1);
164 }
165
166 SDL_FillRect(screen, NULL, 0x664422);
167
168 cursor[0] = SDL_CreateCursor((Uint8 *) cursor_data, (Uint8 *) cursor_mask,
169 16, 16, 8, 8);
170 if (cursor[0] == NULL) {
171 fprintf(stderr, "Couldn't initialize test cursor: %s\n",
172 SDL_GetError());
173 SDL_Quit();
174 return (1);
175 }
176 cursor[1] = create_arrow_cursor();
177 if (cursor[1] == NULL) {
178 fprintf(stderr, "Couldn't initialize arrow cursor: %s\n",
179 SDL_GetError());
180 SDL_FreeCursor(cursor[0]);
181 SDL_Quit();
182 return (1);
183 }
184 cursor[2] = SDL_CreateCursor(small_cursor_data, small_cursor_mask,
185 8, 11, 3, 5);
186 if (cursor[2] == NULL) {
187 fprintf(stderr, "Couldn't initialize test cursor: %s\n",
188 SDL_GetError());
189 SDL_Quit();
190 return (1);
191 }
192
193 current = 0;
194 SDL_SetCursor(cursor[current]);
195
196 while (!quit) {
197 SDL_Event event;
198 while (SDL_PollEvent(&event)) {
199 switch (event.type) {
200 case SDL_MOUSEBUTTONDOWN:
201 current = (current + 1) % 3;
202 SDL_SetCursor(cursor[current]);
203 break;
204 case SDL_KEYDOWN:
205 if (event.key.keysym.sym == SDLK_ESCAPE) {
206 quit = SDL_TRUE;
207 }
208 break;
209 case SDL_QUIT:
210 quit = SDL_TRUE;
211 break;
212 }
213 }
214 SDL_Flip(screen);
215 SDL_Delay(1);
216 }
217
218 SDL_FreeCursor(cursor[0]);
219 SDL_FreeCursor(cursor[1]);
220
221 SDL_Quit();
222 return (0);
223 }