Mercurial > sdl-ios-xcode
annotate test/testwin.c @ 4567:1d7ea8724f4a
Daniel Wyatt to slouken
I also found a bug in the non-printable character fix.
In SDL_keyboard.c:SDL_SendKeyboardText:
if (*text < ' ' || *text == 127) {
needs to be:
if ((unsigned char)*text < ' ' || *text == 127) {
Otherwise bytes >= 128 will be considered non-printable.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 22 Jul 2010 22:09:04 -0700 |
parents | c4eccbd21d16 |
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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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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 } |