Mercurial > sdl-ios-xcode

annotate test/testcursor.c @ 4378:dae8891fae2d SDL-1.2

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Damn. Need to be more careful with stack stuff.
author Patrice Mandin <patmandin@gmail.com>
date Fri, 06 Nov 2009 22:43:51 +0000
parents e7d2858670c1
children
rev   line source
1858
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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,
d3ac464fb3c1 Add program to test mouse cursor change
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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
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58 /* another test cursor: smaller than 16x16, and with an odd height */
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59
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60 Uint8 small_cursor_data[11] = { 0x00, 0x18, 0x08, 0x38, 0x44, 0x54, 0x44, 0x38, 0x20, 0x20, 0x00 };
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61 Uint8 small_cursor_mask[11] = { 0x3C, 0x3C, 0x3C, 0x7C, 0xC6, 0xC6, 0xC6, 0x7C, 0x78, 0x70, 0x70 };
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62
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63 /* XPM */
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64 static const char *arrow[] = {
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65 /* width height num_colors chars_per_pixel */
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66 " 32 32 3 1",
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67 /* colors */
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68 "X c #000000",
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69 ". c #ffffff",
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70 " c None",
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71 /* pixels */
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72 "X ",
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73 "XX ",
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74 "X.X ",
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75 "X..X ",
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76 "X...X ",
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77 "X....X ",
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78 "X.....X ",
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79 "X......X ",
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80 "X.......X ",
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81 "X........X ",
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82 "X.....XXXXX ",
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83 "X..X..X ",
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84 "X.X X..X ",
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85 "XX X..X ",
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86 "X X..X ",
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87 " X..X ",
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88 " X..X ",
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89 " X..X ",
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90 " XX ",
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91 " ",
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92 " ",
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93 " ",
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94 " ",
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95 " ",
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96 " ",
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97 " ",
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98 " ",
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99 " ",
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100 " ",
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101 " ",
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102 " ",
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103 " ",
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104 "0,0"
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105 };
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106
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107 static SDL_Cursor *create_arrow_cursor()
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108 {
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109 int i, row, col;
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110 Uint8 data[4*32];
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111 Uint8 mask[4*32];
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112 int hot_x, hot_y;
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113
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114 i = -1;
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115 for ( row=0; row<32; ++row ) {
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116 for ( col=0; col<32; ++col ) {
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117 if ( col % 8 ) {
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118 data[i] <<= 1;
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119 mask[i] <<= 1;
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120 } else {
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121 ++i;
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122 data[i] = mask[i] = 0;
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123 }
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124 switch (arrow[4+row][col]) {
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125 case 'X':
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126 data[i] |= 0x01;
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127 mask[i] |= 0x01;
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128 break;
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129 case '.':
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130 mask[i] |= 0x01;
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131 break;
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132 case ' ':
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133 break;
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134 }
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135 }
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136 }
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137 sscanf(arrow[4+row], "%d,%d", &hot_x, &hot_y);
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138 return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y);
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139 }
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140
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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;
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146 SDL_Cursor *cursor[3];
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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
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163 cursor[0] = SDL_CreateCursor((Uint8 *)cursor_data, (Uint8 *)cursor_mask,
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164 16, 16, 8, 8);
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165 if (cursor[0]==NULL) {
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166 fprintf(stderr, "Couldn't initialize test cursor: %s\n",SDL_GetError());
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167 SDL_Quit();
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168 return(1);
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169 }
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170 cursor[1] = create_arrow_cursor();
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171 if (cursor[1]==NULL) {
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172 fprintf(stderr, "Couldn't initialize arrow cursor: %s\n",SDL_GetError());
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173 SDL_FreeCursor(cursor[0]);
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174 SDL_Quit();
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175 return(1);
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176 }
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177 cursor[2] = SDL_CreateCursor(small_cursor_data, small_cursor_mask,
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178 8, 11, 3, 5);
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179 if (cursor[2]==NULL) {
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180 fprintf(stderr, "Couldn't initialize test cursor: %s\n",SDL_GetError());
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181 SDL_Quit();
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182 return(1);
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183 }
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184
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185 current = 0;
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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) {
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192 case SDL_MOUSEBUTTONDOWN:
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193 current = (current + 1)%3;
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194 SDL_SetCursor(cursor[current]);
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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 }
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206 SDL_Flip(screen);
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207 SDL_Delay(1);
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208 }
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209
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210 SDL_FreeCursor(cursor[0]);
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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 }