annotate test/testwin.c @ 3972:590d6f5da52b SDL-1.2

Fixed assembler command line for older yasm releases and documented nasm switches. Fixes Bugzilla #440.
author Ryan C. Gordon <icculus@icculus.org>
date Sat, 16 Jun 2007 05:51:51 +0000
parents a9be6a3a51d1
children 782fd950bd46 c121d94672cb f61a20d195f7
rev   line source
0
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1
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2 /* Bring up a window and play with it */
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3
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4 #include <stdlib.h>
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5 #include <stdio.h>
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6 #include <string.h>
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7
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8 #define BENCHMARK_SDL
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9
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10 #define NOTICE(X) printf("%s", X);
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11
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12 #include "SDL.h"
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13
1151
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents: 228
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14 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
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15 static void quit(int rc)
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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16 {
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17 SDL_Quit();
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18 exit(rc);
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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19 }
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parents: 228
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20
0
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21 void DrawPict(SDL_Surface *screen, char *bmpfile,
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22 int speedy, int flip, int nofade)
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23 {
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24 SDL_Surface *picture;
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25 SDL_Rect dest, update;
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26 int i, centered;
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27 int ncolors;
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28 SDL_Color *colors, *cmap;
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29
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30 /* Load the image into a surface */
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31 if ( bmpfile == NULL ) {
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32 bmpfile = "sample.bmp"; /* Sample image */
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33 }
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34 fprintf(stderr, "Loading picture: %s\n", bmpfile);
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35 picture = SDL_LoadBMP(bmpfile);
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36 if ( picture == NULL ) {
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37 fprintf(stderr, "Couldn't load %s: %s\n", bmpfile,
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38 SDL_GetError());
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39 return;
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40 }
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41
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42 /* Set the display colors -- on a hicolor display this is a no-op */
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43 if ( picture->format->palette ) {
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44 ncolors = picture->format->palette->ncolors;
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45 colors = (SDL_Color *)malloc(ncolors*sizeof(SDL_Color));
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46 cmap = (SDL_Color *)malloc(ncolors*sizeof(SDL_Color));
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47 memcpy(colors, picture->format->palette->colors,
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48 ncolors*sizeof(SDL_Color));
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49 } else {
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50 int r, g, b;
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51
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52 /* Allocate 256 color palette */
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53 ncolors = 256;
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54 colors = (SDL_Color *)malloc(ncolors*sizeof(SDL_Color));
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55 cmap = (SDL_Color *)malloc(ncolors*sizeof(SDL_Color));
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56
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57 /* Set a 3,3,2 color cube */
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58 for ( r=0; r<8; ++r ) {
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59 for ( g=0; g<8; ++g ) {
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60 for ( b=0; b<4; ++b ) {
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61 i = ((r<<5)|(g<<2)|b);
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62 colors[i].r = r<<5;
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63 colors[i].g = g<<5;
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64 colors[i].b = b<<6;
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65 }
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66 }
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67 }
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68 }
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69 NOTICE("testwin: setting colors\n");
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70 if ( ! SDL_SetColors(screen, colors, 0, ncolors) &&
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71 (screen->format->palette != NULL) ) {
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72 fprintf(stderr,
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73 "Warning: Couldn't set all of the colors, but SDL will map the image\n"
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74 " (colormap fading will suffer - try the -warp option)\n"
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75 );
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76 }
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77
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78 /* Set the screen to black (not really necessary) */
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79 if ( SDL_LockSurface(screen) == 0 ) {
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80 Uint32 black;
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81 Uint8 *pixels;
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82
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83 black = SDL_MapRGB(screen->format, 0, 0, 0);
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84 pixels = (Uint8 *)screen->pixels;
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85 for ( i=0; i<screen->h; ++i ) {
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86 memset(pixels, black,
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87 screen->w*screen->format->BytesPerPixel);
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88 pixels += screen->pitch;
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89 }
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90 SDL_UnlockSurface(screen);
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91 SDL_UpdateRect(screen, 0, 0, 0, 0);
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92 }
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93
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94 /* Display the picture */
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95 if ( speedy ) {
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96 SDL_Surface *displayfmt;
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97
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98 fprintf(stderr, "Converting picture\n");
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99 displayfmt = SDL_DisplayFormat(picture);
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100 if ( displayfmt == NULL ) {
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101 fprintf(stderr,
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102 "Couldn't convert image: %s\n", SDL_GetError());
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103 goto done;
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104 }
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105 SDL_FreeSurface(picture);
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106 picture = displayfmt;
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107 }
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108 printf("(image surface located in %s memory)\n",
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109 (picture->flags&SDL_HWSURFACE) ? "video" : "system");
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110 centered = (screen->w - picture->w)/2;
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111 if ( centered < 0 ) {
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112 centered = 0;
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113 }
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114 dest.y = (screen->h - picture->h)/2;
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115 dest.w = picture->w;
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116 dest.h = picture->h;
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117 NOTICE("testwin: moving image\n");
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118 for ( i=0; i<=centered; ++i ) {
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119 dest.x = i;
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120 update = dest;
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121 if ( SDL_BlitSurface(picture, NULL, screen, &update) < 0 ) {
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122 fprintf(stderr, "Blit failed: %s\n", SDL_GetError());
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123 break;
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124 }
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125 if ( flip ) {
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126 SDL_Flip(screen);
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127 } else {
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128 SDL_UpdateRects(screen, 1, &update);
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129 }
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130 }
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131
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132 #ifdef SCREENSHOT
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133 if ( SDL_SaveBMP(screen, "screen.bmp") < 0 )
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134 printf("Couldn't save screen: %s\n", SDL_GetError());
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135 #endif
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136
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137 #ifndef BENCHMARK_SDL
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138 /* Let it sit there for a while */
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139 SDL_Delay(5*1000);
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140 #endif
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141 /* Fade the colormap */
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142 if ( ! nofade ) {
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143 int maxstep;
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144 SDL_Color final;
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145 SDL_Color palcolors[256];
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146 struct {
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147 Sint16 r, g, b;
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148 } cdist[256];
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149
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150 NOTICE("testwin: fading out...\n");
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151 memcpy(cmap, colors, ncolors*sizeof(SDL_Color));
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152 maxstep = 32-1;
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153 final.r = 0xFF;
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154 final.g = 0x00;
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155 final.b = 0x00;
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156 memcpy(palcolors, colors, ncolors*sizeof(SDL_Color));
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157 for ( i=0; i<ncolors; ++i ) {
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158 cdist[i].r = final.r-palcolors[i].r;
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159 cdist[i].g = final.g-palcolors[i].g;
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160 cdist[i].b = final.b-palcolors[i].b;
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161 }
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162 for ( i=0; i<=maxstep/2; ++i ) { /* halfway fade */
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163 int c;
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164 for ( c=0; c<ncolors; ++c ) {
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165 colors[c].r =
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166 palcolors[c].r+((cdist[c].r*i))/maxstep;
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diff changeset
167 colors[c].g =
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168 palcolors[c].g+((cdist[c].g*i))/maxstep;
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169 colors[c].b =
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170 palcolors[c].b+((cdist[c].b*i))/maxstep;
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171 }
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172 SDL_SetColors(screen, colors, 0, ncolors);
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173 SDL_Delay(1);
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174 }
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diff changeset
175 final.r = 0x00;
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176 final.g = 0x00;
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diff changeset
177 final.b = 0x00;
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178 memcpy(palcolors, colors, ncolors*sizeof(SDL_Color));
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179 for ( i=0; i<ncolors; ++i ) {
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180 cdist[i].r = final.r-palcolors[i].r;
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181 cdist[i].g = final.g-palcolors[i].g;
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182 cdist[i].b = final.b-palcolors[i].b;
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183 }
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184 maxstep /= 2;
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185 for ( i=0; i<=maxstep; ++i ) { /* finish fade out */
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186 int c;
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187 for ( c=0; c<ncolors; ++c ) {
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188 colors[c].r =
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189 palcolors[c].r+((cdist[c].r*i))/maxstep;
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190 colors[c].g =
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191 palcolors[c].g+((cdist[c].g*i))/maxstep;
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192 colors[c].b =
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193 palcolors[c].b+((cdist[c].b*i))/maxstep;
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194 }
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195 SDL_SetColors(screen, colors, 0, ncolors);
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196 SDL_Delay(1);
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197 }
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198 for ( i=0; i<ncolors; ++i ) {
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199 colors[i].r = final.r;
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200 colors[i].g = final.g;
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201 colors[i].b = final.b;
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202 }
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203 SDL_SetColors(screen, colors, 0, ncolors);
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204 NOTICE("testwin: fading in...\n");
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205 memcpy(palcolors, colors, ncolors*sizeof(SDL_Color));
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206 for ( i=0; i<ncolors; ++i ) {
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207 cdist[i].r = cmap[i].r-palcolors[i].r;
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208 cdist[i].g = cmap[i].g-palcolors[i].g;
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209 cdist[i].b = cmap[i].b-palcolors[i].b;
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210 }
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211 for ( i=0; i<=maxstep; ++i ) { /* 32 step fade in */
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212 int c;
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213 for ( c=0; c<ncolors; ++c ) {
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214 colors[c].r =
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215 palcolors[c].r+((cdist[c].r*i))/maxstep;
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216 colors[c].g =
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217 palcolors[c].g+((cdist[c].g*i))/maxstep;
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218 colors[c].b =
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219 palcolors[c].b+((cdist[c].b*i))/maxstep;
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220 }
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221 SDL_SetColors(screen, colors, 0, ncolors);
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222 SDL_Delay(1);
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223 }
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224 NOTICE("testwin: fading over\n");
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225 }
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diff changeset
226
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diff changeset
227 done:
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diff changeset
228 /* Free the picture and return */
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229 SDL_FreeSurface(picture);
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230 free(colors); free(cmap);
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231 return;
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232 }
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233
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234 int main(int argc, char *argv[])
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235 {
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236 SDL_Surface *screen;
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237 /* Options */
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238 int speedy, flip, nofade;
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diff changeset
239 int delay;
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240 int w, h;
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241 int desired_bpp;
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242 Uint32 video_flags;
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243 #ifdef BENCHMARK_SDL
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244 Uint32 then, now;
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245 #endif
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246 /* Set default options and check command-line */
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247 speedy = 0;
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248 flip = 0;
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249 nofade = 0;
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250 delay = 1;
1152
51a8702d8ecd Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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251
51a8702d8ecd Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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diff changeset
252 #ifdef _WIN32_WCE
1760
a9be6a3a51d1 Patch from Dmitry Yakimov to fix building on WinCE
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253 w = 240;
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51a8702d8ecd Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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254 h = 320;
1760
a9be6a3a51d1 Patch from Dmitry Yakimov to fix building on WinCE
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diff changeset
255 desired_bpp = 8;
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51a8702d8ecd Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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parents: 1151
diff changeset
256 video_flags = SDL_FULLSCREEN;
51a8702d8ecd Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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diff changeset
257 #else
0
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258 w = 640;
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259 h = 480;
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260 desired_bpp = 0;
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diff changeset
261 video_flags = 0;
1152
51a8702d8ecd Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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parents: 1151
diff changeset
262 #endif
1151
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parents: 228
diff changeset
263 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents: 228
diff changeset
264 fprintf(stderr,
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
diff changeset
265 "Couldn't initialize SDL: %s\n", SDL_GetError());
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
diff changeset
266 return(1);
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents: 228
diff changeset
267 }
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
diff changeset
268
0
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diff changeset
269 while ( argc > 1 ) {
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diff changeset
270 if ( strcmp(argv[1], "-speedy") == 0 ) {
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diff changeset
271 speedy = 1;
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diff changeset
272 argv += 1;
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diff changeset
273 argc -= 1;
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diff changeset
274 } else
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diff changeset
275 if ( strcmp(argv[1], "-nofade") == 0 ) {
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diff changeset
276 nofade = 1;
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diff changeset
277 argv += 1;
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diff changeset
278 argc -= 1;
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diff changeset
279 } else
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diff changeset
280 if ( strcmp(argv[1], "-delay") == 0 ) {
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parents:
diff changeset
281 if ( argv[2] ) {
74212992fb08 Initial revision
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diff changeset
282 delay = atoi(argv[2]);
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diff changeset
283 argv += 2;
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diff changeset
284 argc -= 2;
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diff changeset
285 } else {
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diff changeset
286 fprintf(stderr,
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diff changeset
287 "The -delay option requires an argument\n");
1151
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
diff changeset
288 quit(1);
0
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parents:
diff changeset
289 }
74212992fb08 Initial revision
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diff changeset
290 } else
74212992fb08 Initial revision
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diff changeset
291 if ( strcmp(argv[1], "-width") == 0 ) {
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parents:
diff changeset
292 if ( argv[2] && ((w = atoi(argv[2])) > 0) ) {
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parents:
diff changeset
293 argv += 2;
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diff changeset
294 argc -= 2;
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diff changeset
295 } else {
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diff changeset
296 fprintf(stderr,
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diff changeset
297 "The -width option requires an argument\n");
1151
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
diff changeset
298 quit(1);
0
74212992fb08 Initial revision
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parents:
diff changeset
299 }
74212992fb08 Initial revision
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diff changeset
300 } else
74212992fb08 Initial revision
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parents:
diff changeset
301 if ( strcmp(argv[1], "-height") == 0 ) {
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parents:
diff changeset
302 if ( argv[2] && ((h = atoi(argv[2])) > 0) ) {
74212992fb08 Initial revision
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parents:
diff changeset
303 argv += 2;
74212992fb08 Initial revision
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parents:
diff changeset
304 argc -= 2;
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parents:
diff changeset
305 } else {
74212992fb08 Initial revision
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diff changeset
306 fprintf(stderr,
74212992fb08 Initial revision
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parents:
diff changeset
307 "The -height option requires an argument\n");
1151
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
diff changeset
308 quit(1);
0
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parents:
diff changeset
309 }
74212992fb08 Initial revision
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parents:
diff changeset
310 } else
74212992fb08 Initial revision
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parents:
diff changeset
311 if ( strcmp(argv[1], "-bpp") == 0 ) {
74212992fb08 Initial revision
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parents:
diff changeset
312 if ( argv[2] ) {
74212992fb08 Initial revision
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parents:
diff changeset
313 desired_bpp = atoi(argv[2]);
74212992fb08 Initial revision
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parents:
diff changeset
314 argv += 2;
74212992fb08 Initial revision
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parents:
diff changeset
315 argc -= 2;
74212992fb08 Initial revision
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parents:
diff changeset
316 } else {
74212992fb08 Initial revision
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parents:
diff changeset
317 fprintf(stderr,
74212992fb08 Initial revision
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parents:
diff changeset
318 "The -bpp option requires an argument\n");
1151
be9c9c8f6d53 Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
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parents: 228
diff changeset
319 quit(1);
0
74212992fb08 Initial revision
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parents:
diff changeset
320 }
74212992fb08 Initial revision
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parents:
diff changeset
321 } else
74212992fb08 Initial revision
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parents:
diff changeset
322 if ( strcmp(argv[1], "-warp") == 0 ) {
74212992fb08 Initial revision
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parents:
diff changeset
323 video_flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
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parents:
diff changeset
324 argv += 1;
74212992fb08 Initial revision
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325 argc -= 1;
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326 } else
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327 if ( strcmp(argv[1], "-hw") == 0 ) {
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328 video_flags |= SDL_HWSURFACE;
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329 argv += 1;
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330 argc -= 1;
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331 } else
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332 if ( strcmp(argv[1], "-flip") == 0 ) {
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333 video_flags |= SDL_DOUBLEBUF;
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334 argv += 1;
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335 argc -= 1;
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336 } else
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337 if ( strcmp(argv[1], "-fullscreen") == 0 ) {
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338 video_flags |= SDL_FULLSCREEN;
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339 argv += 1;
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340 argc -= 1;
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341 } else
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342 break;
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343 }
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344
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345 /* Initialize the display */
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346 screen = SDL_SetVideoMode(w, h, desired_bpp, video_flags);
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347 if ( screen == NULL ) {
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348 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
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349 w, h, desired_bpp, SDL_GetError());
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350 quit(1);
0
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351 }
228
153f221b7d48 Give more info about the current video mode
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352 printf("Set%s %dx%dx%d mode\n",
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353 screen->flags & SDL_FULLSCREEN ? " fullscreen" : "",
0
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354 screen->w, screen->h, screen->format->BitsPerPixel);
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355 printf("(video surface located in %s memory)\n",
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356 (screen->flags&SDL_HWSURFACE) ? "video" : "system");
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357 if ( screen->flags & SDL_DOUBLEBUF ) {
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358 printf("Double-buffering enabled\n");
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359 flip = 1;
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360 }
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361
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362 /* Set the window manager title bar */
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363 SDL_WM_SetCaption("SDL test window", "testwin");
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364
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365 /* Do all the drawing work */
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366 #ifdef BENCHMARK_SDL
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367 then = SDL_GetTicks();
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368 DrawPict(screen, argv[1], speedy, flip, nofade);
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369 now = SDL_GetTicks();
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370 printf("Time: %d milliseconds\n", now-then);
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371 #else
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372 DrawPict(screen, argv[1], speedy, flip, nofade);
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373 #endif
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374 SDL_Delay(delay*1000);
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375 SDL_Quit();
0
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376 return(0);
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377 }