Mercurial > sdl-ios-xcode
annotate test/testcursor.c @ 5107:99acf3d856cb SDL-1.2
Colin Leroy 2011-01-26 04:24:20 PST
the pthread implementation of SDL_SemWaitTimeout() uses busy waiting, while
pthread's sem_timedwait() does work. Attached are patches that make use of it
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 27 Jan 2011 00:33:26 -0800 |
| parents | e7d2858670c1 |
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| rev | line source |
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1 #include <stdio.h> |
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2 #include <stdlib.h> |
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3 |
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4 #include "SDL.h" |
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5 |
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6 /* This is an example 16x16 cursor |
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7 top left : black |
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8 top right : inverted color or black |
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9 bottom left: white |
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10 bottom right: transparent |
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11 (swap left and right for different endianness) |
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12 */ |
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13 |
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14 Uint16 cursor_data[16]={ |
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15 0xffff, |
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16 0xffff, |
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17 0xffff, |
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18 0xffff, |
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19 |
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20 0xffff, |
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21 0xffff, |
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22 0xffff, |
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23 0xffff, |
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24 |
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25 0x0000, |
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26 0x0000, |
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27 0x0000, |
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28 0x0000, |
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29 |
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30 0x0000, |
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31 0x0000, |
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32 0x0000, |
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33 0x0000 |
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34 }; |
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35 |
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36 Uint16 cursor_mask[16]={ |
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37 0xff00, |
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38 0xff00, |
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39 0xff00, |
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40 0xff00, |
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41 |
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42 0xff00, |
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43 0xff00, |
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44 0xff00, |
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45 0xff00, |
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46 |
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47 0xff00, |
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48 0xff00, |
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49 0xff00, |
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50 0xff00, |
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51 |
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52 0xff00, |
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53 0xff00, |
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54 0xff00, |
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55 0xff00 |
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56 }; |
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57 |
| 1883 | 58 /* another test cursor: smaller than 16x16, and with an odd height */ |
| 59 | |
| 60 Uint8 small_cursor_data[11] = { 0x00, 0x18, 0x08, 0x38, 0x44, 0x54, 0x44, 0x38, 0x20, 0x20, 0x00 }; | |
| 61 Uint8 small_cursor_mask[11] = { 0x3C, 0x3C, 0x3C, 0x7C, 0xC6, 0xC6, 0xC6, 0x7C, 0x78, 0x70, 0x70 }; | |
| 1862 | 62 |
| 63 /* XPM */ | |
| 64 static const char *arrow[] = { | |
| 65 /* width height num_colors chars_per_pixel */ | |
| 66 " 32 32 3 1", | |
| 67 /* colors */ | |
| 68 "X c #000000", | |
| 69 ". c #ffffff", | |
| 70 " c None", | |
| 71 /* pixels */ | |
| 72 "X ", | |
| 73 "XX ", | |
| 74 "X.X ", | |
| 75 "X..X ", | |
| 76 "X...X ", | |
| 77 "X....X ", | |
| 78 "X.....X ", | |
| 79 "X......X ", | |
| 80 "X.......X ", | |
| 81 "X........X ", | |
| 82 "X.....XXXXX ", | |
| 83 "X..X..X ", | |
| 84 "X.X X..X ", | |
| 85 "XX X..X ", | |
| 86 "X X..X ", | |
| 87 " X..X ", | |
| 88 " X..X ", | |
| 89 " X..X ", | |
| 90 " XX ", | |
| 91 " ", | |
| 92 " ", | |
| 93 " ", | |
| 94 " ", | |
| 95 " ", | |
| 96 " ", | |
| 97 " ", | |
| 98 " ", | |
| 99 " ", | |
| 100 " ", | |
| 101 " ", | |
| 102 " ", | |
| 103 " ", | |
| 104 "0,0" | |
| 105 }; | |
| 106 | |
| 107 static SDL_Cursor *create_arrow_cursor() | |
| 108 { | |
| 109 int i, row, col; | |
| 110 Uint8 data[4*32]; | |
| 111 Uint8 mask[4*32]; | |
| 112 int hot_x, hot_y; | |
| 113 | |
| 114 i = -1; | |
| 115 for ( row=0; row<32; ++row ) { | |
| 116 for ( col=0; col<32; ++col ) { | |
| 117 if ( col % 8 ) { | |
| 118 data[i] <<= 1; | |
| 119 mask[i] <<= 1; | |
| 120 } else { | |
| 121 ++i; | |
| 122 data[i] = mask[i] = 0; | |
| 123 } | |
| 124 switch (arrow[4+row][col]) { | |
| 125 case 'X': | |
| 126 data[i] |= 0x01; | |
| 127 mask[i] |= 0x01; | |
| 128 break; | |
| 129 case '.': | |
| 130 mask[i] |= 0x01; | |
| 131 break; | |
| 132 case ' ': | |
| 133 break; | |
| 134 } | |
| 135 } | |
| 136 } | |
| 137 sscanf(arrow[4+row], "%d,%d", &hot_x, &hot_y); | |
| 138 return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y); | |
| 139 } | |
| 140 | |
| 141 | |
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142 int main(int argc, char *argv[]) |
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143 { |
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144 SDL_Surface *screen; |
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145 SDL_bool quit = SDL_FALSE, first_time = SDL_TRUE; |
| 1883 | 146 SDL_Cursor *cursor[3]; |
| 1862 | 147 int current; |
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148 |
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149 /* Load the SDL library */ |
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150 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { |
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151 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
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152 return(1); |
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153 } |
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154 |
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155 screen = SDL_SetVideoMode(320,200,8,SDL_ANYFORMAT); |
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156 if (screen==NULL) { |
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157 fprintf(stderr, "Couldn't initialize video mode: %s\n",SDL_GetError()); |
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158 return(1); |
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159 } |
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160 |
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161 SDL_FillRect(screen, NULL, 0x664422); |
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162 |
| 1862 | 163 cursor[0] = SDL_CreateCursor((Uint8 *)cursor_data, (Uint8 *)cursor_mask, |
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164 16, 16, 8, 8); |
| 1862 | 165 if (cursor[0]==NULL) { |
| 166 fprintf(stderr, "Couldn't initialize test cursor: %s\n",SDL_GetError()); | |
| 167 SDL_Quit(); | |
| 168 return(1); | |
| 169 } | |
| 170 cursor[1] = create_arrow_cursor(); | |
| 171 if (cursor[1]==NULL) { | |
| 172 fprintf(stderr, "Couldn't initialize arrow cursor: %s\n",SDL_GetError()); | |
| 173 SDL_FreeCursor(cursor[0]); | |
| 174 SDL_Quit(); | |
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175 return(1); |
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176 } |
| 1883 | 177 cursor[2] = SDL_CreateCursor(small_cursor_data, small_cursor_mask, |
| 178 8, 11, 3, 5); | |
| 179 if (cursor[2]==NULL) { | |
| 180 fprintf(stderr, "Couldn't initialize test cursor: %s\n",SDL_GetError()); | |
| 181 SDL_Quit(); | |
| 182 return(1); | |
| 183 } | |
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184 |
| 1862 | 185 current = 0; |
| 186 SDL_SetCursor(cursor[current]); | |
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187 |
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188 while (!quit) { |
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189 SDL_Event event; |
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190 while (SDL_PollEvent(&event)) { |
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191 switch(event.type) { |
| 1862 | 192 case SDL_MOUSEBUTTONDOWN: |
| 1883 | 193 current = (current + 1)%3; |
| 1862 | 194 SDL_SetCursor(cursor[current]); |
| 195 break; | |
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196 case SDL_KEYDOWN: |
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197 if (event.key.keysym.sym == SDLK_ESCAPE) { |
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198 quit = SDL_TRUE; |
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199 } |
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200 break; |
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201 case SDL_QUIT: |
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202 quit = SDL_TRUE; |
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203 break; |
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204 } |
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205 } |
| 1862 | 206 SDL_Flip(screen); |
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207 SDL_Delay(1); |
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208 } |
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209 |
| 1862 | 210 SDL_FreeCursor(cursor[0]); |
| 211 SDL_FreeCursor(cursor[1]); | |
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212 SDL_FreeCursor(cursor[2]); |
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213 |
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214 SDL_Quit(); |
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215 return(0); |
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216 } |