Mercurial > sdl-ios-xcode
annotate test/testwin.c @ 4639:f5cd4b6231ba
Added Test Directory. Touch input works in touchSimp for wacom bamboo fun on Ubuntu linux. Not yet integrated into library. Should support other touch devices and other linux distros, but not tested on anything else.
author | Jim Grandpre <jim.tla@gmail.com> |
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date | Mon, 24 May 2010 23:44:24 -0400 |
parents | c4eccbd21d16 |
children |
rev | line source |
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0 | 1 |
2 /* Bring up a window and play with it */ | |
3 | |
4 #include <stdlib.h> | |
5 #include <stdio.h> | |
6 #include <string.h> | |
7 | |
8 #define BENCHMARK_SDL | |
9 | |
10 #define NOTICE(X) printf("%s", X); | |
11 | |
12 #include "SDL.h" | |
13 | |
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14 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
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15 static void |
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16 quit(int rc) |
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17 { |
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18 SDL_Quit(); |
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19 exit(rc); |
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20 } |
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21 |
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22 void |
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23 DrawPict(SDL_Surface * screen, char *bmpfile, |
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24 int speedy, int flip, int nofade) |
0 | 25 { |
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26 SDL_Surface *picture; |
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27 SDL_Rect dest, update; |
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28 int i, centered; |
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29 int ncolors; |
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30 SDL_Color *colors, *cmap; |
0 | 31 |
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32 /* Load the image into a surface */ |
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33 if (bmpfile == NULL) { |
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34 bmpfile = "sample.bmp"; /* Sample image */ |
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35 } |
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36 fprintf(stderr, "Loading picture: %s\n", bmpfile); |
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37 picture = SDL_LoadBMP(bmpfile); |
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38 if (picture == NULL) { |
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39 fprintf(stderr, "Couldn't load %s: %s\n", bmpfile, SDL_GetError()); |
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40 return; |
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41 } |
0 | 42 |
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43 /* Set the display colors -- on a hicolor display this is a no-op */ |
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44 if (picture->format->palette) { |
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45 ncolors = picture->format->palette->ncolors; |
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46 colors = (SDL_Color *) malloc(ncolors * sizeof(SDL_Color)); |
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47 cmap = (SDL_Color *) malloc(ncolors * sizeof(SDL_Color)); |
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48 memcpy(colors, picture->format->palette->colors, |
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49 ncolors * sizeof(SDL_Color)); |
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50 } else { |
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51 int r, g, b; |
0 | 52 |
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53 /* Allocate 256 color palette */ |
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54 ncolors = 256; |
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55 colors = (SDL_Color *) malloc(ncolors * sizeof(SDL_Color)); |
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56 cmap = (SDL_Color *) malloc(ncolors * sizeof(SDL_Color)); |
0 | 57 |
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58 /* Set a 3,3,2 color cube */ |
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59 for (r = 0; r < 8; ++r) { |
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60 for (g = 0; g < 8; ++g) { |
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61 for (b = 0; b < 4; ++b) { |
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62 i = ((r << 5) | (g << 2) | b); |
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63 colors[i].r = r << 5; |
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64 colors[i].g = g << 5; |
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65 colors[i].b = b << 6; |
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66 } |
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67 } |
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68 } |
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69 } |
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70 NOTICE("testwin: setting colors\n"); |
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71 if (!SDL_SetColors(screen, colors, 0, ncolors) && |
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72 (screen->format->palette != NULL)) { |
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73 fprintf(stderr, |
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74 "Warning: Couldn't set all of the colors, but SDL will map the image\n" |
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75 " (colormap fading will suffer - try the -warp option)\n"); |
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76 } |
0 | 77 |
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78 /* Display the picture */ |
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79 if (speedy) { |
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80 SDL_Surface *displayfmt; |
0 | 81 |
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82 fprintf(stderr, "Converting picture\n"); |
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83 displayfmt = SDL_DisplayFormat(picture); |
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84 if (displayfmt == NULL) { |
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85 fprintf(stderr, "Couldn't convert image: %s\n", SDL_GetError()); |
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86 goto done; |
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87 } |
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88 SDL_FreeSurface(picture); |
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89 picture = displayfmt; |
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90 } |
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91 printf("(image surface located in %s memory)\n", |
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92 (picture->flags & SDL_HWSURFACE) ? "video" : "system"); |
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93 centered = (screen->w - picture->w) / 2; |
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94 if (centered < 0) { |
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95 centered = 0; |
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96 } |
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97 dest.y = (screen->h - picture->h) / 2; |
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98 dest.w = picture->w; |
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99 dest.h = picture->h; |
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100 NOTICE("testwin: moving image\n"); |
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101 for (i = 0; i <= centered; ++i) { |
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102 dest.x = i; |
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103 update = dest; |
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104 if (SDL_BlitSurface(picture, NULL, screen, &update) < 0) { |
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105 fprintf(stderr, "Blit failed: %s\n", SDL_GetError()); |
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106 break; |
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107 } |
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108 if (flip) { |
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109 SDL_Flip(screen); |
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110 } else { |
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111 SDL_UpdateRects(screen, 1, &update); |
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112 } |
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113 } |
0 | 114 |
115 #ifdef SCREENSHOT | |
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116 if (SDL_SaveBMP(screen, "screen.bmp") < 0) |
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117 printf("Couldn't save screen: %s\n", SDL_GetError()); |
0 | 118 #endif |
119 | |
120 #ifndef BENCHMARK_SDL | |
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121 /* Let it sit there for a while */ |
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122 SDL_Delay(5 * 1000); |
0 | 123 #endif |
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124 /* Fade the colormap */ |
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125 if (!nofade) { |
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126 int maxstep; |
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127 SDL_Color final; |
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128 SDL_Color palcolors[256]; |
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129 struct |
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130 { |
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131 Sint16 r, g, b; |
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132 } cdist[256]; |
0 | 133 |
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134 NOTICE("testwin: fading out...\n"); |
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135 memcpy(cmap, colors, ncolors * sizeof(SDL_Color)); |
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136 maxstep = 32 - 1; |
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137 final.r = 0xFF; |
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138 final.g = 0x00; |
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139 final.b = 0x00; |
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140 memcpy(palcolors, colors, ncolors * sizeof(SDL_Color)); |
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141 for (i = 0; i < ncolors; ++i) { |
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142 cdist[i].r = final.r - palcolors[i].r; |
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143 cdist[i].g = final.g - palcolors[i].g; |
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144 cdist[i].b = final.b - palcolors[i].b; |
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145 } |
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146 for (i = 0; i <= maxstep / 2; ++i) { /* halfway fade */ |
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147 int c; |
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148 for (c = 0; c < ncolors; ++c) { |
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149 colors[c].r = palcolors[c].r + ((cdist[c].r * i)) / maxstep; |
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150 colors[c].g = palcolors[c].g + ((cdist[c].g * i)) / maxstep; |
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151 colors[c].b = palcolors[c].b + ((cdist[c].b * i)) / maxstep; |
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152 } |
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153 SDL_SetColors(screen, colors, 0, ncolors); |
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154 SDL_Delay(1); |
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155 } |
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156 final.r = 0x00; |
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157 final.g = 0x00; |
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158 final.b = 0x00; |
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159 memcpy(palcolors, colors, ncolors * sizeof(SDL_Color)); |
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160 for (i = 0; i < ncolors; ++i) { |
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161 cdist[i].r = final.r - palcolors[i].r; |
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162 cdist[i].g = final.g - palcolors[i].g; |
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163 cdist[i].b = final.b - palcolors[i].b; |
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164 } |
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165 maxstep /= 2; |
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166 for (i = 0; i <= maxstep; ++i) { /* finish fade out */ |
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167 int c; |
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168 for (c = 0; c < ncolors; ++c) { |
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169 colors[c].r = palcolors[c].r + ((cdist[c].r * i)) / maxstep; |
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170 colors[c].g = palcolors[c].g + ((cdist[c].g * i)) / maxstep; |
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171 colors[c].b = palcolors[c].b + ((cdist[c].b * i)) / maxstep; |
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172 } |
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173 SDL_SetColors(screen, colors, 0, ncolors); |
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174 SDL_Delay(1); |
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175 } |
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176 for (i = 0; i < ncolors; ++i) { |
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177 colors[i].r = final.r; |
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178 colors[i].g = final.g; |
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179 colors[i].b = final.b; |
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180 } |
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181 SDL_SetColors(screen, colors, 0, ncolors); |
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182 NOTICE("testwin: fading in...\n"); |
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183 memcpy(palcolors, colors, ncolors * sizeof(SDL_Color)); |
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184 for (i = 0; i < ncolors; ++i) { |
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185 cdist[i].r = cmap[i].r - palcolors[i].r; |
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186 cdist[i].g = cmap[i].g - palcolors[i].g; |
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187 cdist[i].b = cmap[i].b - palcolors[i].b; |
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188 } |
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189 for (i = 0; i <= maxstep; ++i) { /* 32 step fade in */ |
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190 int c; |
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191 for (c = 0; c < ncolors; ++c) { |
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192 colors[c].r = palcolors[c].r + ((cdist[c].r * i)) / maxstep; |
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193 colors[c].g = palcolors[c].g + ((cdist[c].g * i)) / maxstep; |
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194 colors[c].b = palcolors[c].b + ((cdist[c].b * i)) / maxstep; |
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195 } |
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196 SDL_SetColors(screen, colors, 0, ncolors); |
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197 SDL_Delay(1); |
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198 } |
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199 NOTICE("testwin: fading over\n"); |
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200 } |
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201 |
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202 done: |
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203 /* Free the picture and return */ |
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204 SDL_FreeSurface(picture); |
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205 free(colors); |
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206 free(cmap); |
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207 return; |
0 | 208 } |
209 | |
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210 int |
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211 main(int argc, char *argv[]) |
0 | 212 { |
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213 SDL_Surface *screen; |
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214 /* Options */ |
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215 int speedy, flip, nofade; |
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216 int delay; |
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217 int w, h; |
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218 int desired_bpp; |
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219 Uint32 video_flags; |
0 | 220 #ifdef BENCHMARK_SDL |
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221 Uint32 then, now; |
0 | 222 #endif |
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223 /* Set default options and check command-line */ |
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224 speedy = 0; |
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225 flip = 0; |
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226 nofade = 0; |
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227 delay = 1; |
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228 |
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229 #ifdef _WIN32_WCE |
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230 w = 240; |
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231 h = 320; |
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232 desired_bpp = 8; |
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233 video_flags = SDL_FULLSCREEN; |
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234 #else |
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235 w = 640; |
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236 h = 480; |
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237 desired_bpp = 0; |
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238 video_flags = 0; |
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Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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239 #endif |
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240 if (SDL_Init(SDL_INIT_VIDEO) < 0) { |
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241 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
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242 return (1); |
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243 } |
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244 |
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245 while (argc > 1) { |
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246 if (strcmp(argv[1], "-speedy") == 0) { |
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247 speedy = 1; |
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248 argv += 1; |
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249 argc -= 1; |
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250 } else if (strcmp(argv[1], "-nofade") == 0) { |
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251 nofade = 1; |
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252 argv += 1; |
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253 argc -= 1; |
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254 } else if (strcmp(argv[1], "-delay") == 0) { |
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255 if (argv[2]) { |
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256 delay = atoi(argv[2]); |
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257 argv += 2; |
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258 argc -= 2; |
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259 } else { |
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260 fprintf(stderr, "The -delay option requires an argument\n"); |
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261 quit(1); |
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262 } |
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263 } else if (strcmp(argv[1], "-width") == 0) { |
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264 if (argv[2] && ((w = atoi(argv[2])) > 0)) { |
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265 argv += 2; |
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266 argc -= 2; |
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267 } else { |
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268 fprintf(stderr, "The -width option requires an argument\n"); |
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269 quit(1); |
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270 } |
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271 } else if (strcmp(argv[1], "-height") == 0) { |
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272 if (argv[2] && ((h = atoi(argv[2])) > 0)) { |
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273 argv += 2; |
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274 argc -= 2; |
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275 } else { |
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276 fprintf(stderr, "The -height option requires an argument\n"); |
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277 quit(1); |
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278 } |
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279 } else if (strcmp(argv[1], "-bpp") == 0) { |
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280 if (argv[2]) { |
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281 desired_bpp = atoi(argv[2]); |
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282 argv += 2; |
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283 argc -= 2; |
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284 } else { |
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285 fprintf(stderr, "The -bpp option requires an argument\n"); |
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286 quit(1); |
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287 } |
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288 } else if (strcmp(argv[1], "-warp") == 0) { |
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289 video_flags |= SDL_HWPALETTE; |
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290 argv += 1; |
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291 argc -= 1; |
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292 } else if (strcmp(argv[1], "-hw") == 0) { |
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293 video_flags |= SDL_HWSURFACE; |
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294 argv += 1; |
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295 argc -= 1; |
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296 } else if (strcmp(argv[1], "-flip") == 0) { |
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297 video_flags |= SDL_DOUBLEBUF; |
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298 argv += 1; |
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299 argc -= 1; |
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300 } else if (strcmp(argv[1], "-fullscreen") == 0) { |
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301 video_flags |= SDL_FULLSCREEN; |
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302 argv += 1; |
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303 argc -= 1; |
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304 } else |
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305 break; |
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306 } |
0 | 307 |
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308 /* Initialize the display */ |
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309 screen = SDL_SetVideoMode(w, h, desired_bpp, video_flags); |
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310 if (screen == NULL) { |
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311 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", |
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312 w, h, desired_bpp, SDL_GetError()); |
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313 quit(1); |
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314 } |
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315 printf("Set%s %dx%dx%d mode\n", |
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316 screen->flags & SDL_FULLSCREEN ? " fullscreen" : "", |
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317 screen->w, screen->h, screen->format->BitsPerPixel); |
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318 printf("(video surface located in %s memory)\n", |
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319 (screen->flags & SDL_HWSURFACE) ? "video" : "system"); |
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320 if (screen->flags & SDL_DOUBLEBUF) { |
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321 printf("Double-buffering enabled\n"); |
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322 flip = 1; |
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323 } |
0 | 324 |
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325 /* Set the window manager title bar */ |
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326 SDL_WM_SetCaption("SDL test window", "testwin"); |
0 | 327 |
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328 /* Do all the drawing work */ |
0 | 329 #ifdef BENCHMARK_SDL |
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330 then = SDL_GetTicks(); |
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331 DrawPict(screen, argv[1], speedy, flip, nofade); |
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332 now = SDL_GetTicks(); |
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333 printf("Time: %d milliseconds\n", now - then); |
0 | 334 #else |
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335 DrawPict(screen, argv[1], speedy, flip, nofade); |
0 | 336 #endif |
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337 SDL_Delay(delay * 1000); |
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338 SDL_Quit(); |
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339 return (0); |
0 | 340 } |