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1 #include "dmlib.h"
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2 #include "dmargs.h"
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3
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4 #define DM_COLORS (256)
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5
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6 char *optFilename = NULL, *optFontFile = "font.ttf";
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7 int optVFlags = SDL_SWSURFACE | SDL_HWPALETTE;
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8 int optScrWidth = 640, optScrHeight = 480, optFontSize = 20, optScrDepth = 32;
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9 BOOL optShowSurfaceInfo = FALSE;
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10
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11 DMOptArg optList[] = {
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12 { 0, '?', "help", "Show this help", OPT_NONE },
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13 { 2, 'v', "verbose", "Be more verbose", OPT_NONE },
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14 { 3, 'f', "full", "Fullscreen", OPT_NONE },
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15 { 4, 'h', "hw", "Use SDL hardware surface", OPT_NONE },
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16 { 5, 's', "size", "Initial window size/resolution -s 640x480", OPT_ARGREQ },
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17 { 6, 'd', "depth", "Color depth of mode/window in bits (8/15/16/32)", OPT_ARGREQ },
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18 { 7, 'i', "info", "Print out extra information on used SDL surfaces", OPT_NONE }
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19 };
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20
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21 const int optListN = sizeof(optList) / sizeof(optList[0]);
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22
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23
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24 void argShowHelp()
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25 {
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26 dmPrintBanner(stdout, dmProgName, "[options] <datafile>");
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27 dmArgsPrintHelp(stdout, optList, optListN);
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28 }
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29
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30
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31 BOOL argHandleOpt(const int optN, char *optArg, char *currArg)
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32 {
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33 switch (optN) {
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34 case 0:
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35 argShowHelp();
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36 exit(0);
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37 break;
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38
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39 case 2:
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40 dmVerbosity++;
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41 break;
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42
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43 case 3:
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44 optVFlags |= SDL_FULLSCREEN;
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45 break;
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46
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47 case 6:
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48 if (optArg)
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49 optScrDepth = atoi(optArg);
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50 break;
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51
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52 case 7:
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53 optShowSurfaceInfo = TRUE;
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54 break;
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55
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56 case 5:
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57 {
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58 int w, h;
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59 if (sscanf(optArg, "%dx%d", &w, &h) == 2)
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60 {
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61 if (w < 320 || h < 200 || w > 3200 || h > 3200)
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62 {
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63 dmError("Invalid width or height: %d x %d\n", w, h);
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64 return FALSE;
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65 }
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66 optScrWidth = w;
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67 optScrHeight = h;
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68 }
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69 else
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70 {
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71 dmError("Invalid size argument '%s'.\n", optArg);
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72 return FALSE;
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73 }
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74 }
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75 break;
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76
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77 default:
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78 dmError("Unknown option '%s'.\n", currArg);
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79 return FALSE;
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80 }
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81
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82 return TRUE;
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83 }
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84
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85
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86 BOOL argHandleFile(char *filename)
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87 {
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88 if (optFilename == NULL)
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89 {
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90 optFilename = dm_strdup(filename);
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91 return TRUE;
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92 }
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93 else
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94 {
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95 dmError("Too many filenames specified ('%s')\n", filename);
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96 return FALSE;
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97 }
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98 }
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99
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100 void DM_MakePalette(SDL_Color *pal)
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101 {
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102 int n;
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103
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104 for (n = 0; n < 64; n++)
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105 {
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106 pal[n].r = n * 2;
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107 pal[n].g = 0;
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108 pal[n].b = 0;
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109 }
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110
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111 for (n = 64; n < 128; n++)
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112 {
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113 pal[n].r = n * 2;
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114 pal[n].g = (n - 64) * 4;
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115 pal[n].b = (n - 64) * 4;
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116 }
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117
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118 for (n = 128; n < 192; n++)
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119 {
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120 pal[n].r = (255 - n) * 4;
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121 pal[n].g = (255 - n) * 2;
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122 pal[n].b = (255 - n) * 2;
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123 }
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124
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125 for (n = 192; n < 256; n++)
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126 {
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127 pal[n].r = 0;
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128 pal[n].g = (255 - n) * 2;
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129 pal[n].b = (255 - n) * 2;
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130 }
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131 }
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132
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133
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134 void DM_CreatePaletteFrom(SDL_Color *pal, Uint8 *buf)
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135 {
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136 int n, offs;
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137 for (offs = n = 0; n < DM_COLORS; n++)
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138 {
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139 pal[n].r = buf[offs++];
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140 pal[n].g = buf[offs++];
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141 pal[n].b = buf[offs++];
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142 }
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143 }
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144
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145 void printSurface(FILE *f, SDL_Surface *s, const char *name)
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146 {
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147 if (!optShowSurfaceInfo || s == NULL) return;
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148
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149 fprintf(f, "\nSDL_Surface[%p]: %s:\n"
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150 " flags : 0x%08x\n"
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151 " format : %p\n", s, name, s->flags, s->format);
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152 if (s->format != NULL)
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153 {
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154 SDL_PixelFormat *pf = s->format;
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155 fprintf(f,
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156 " palette : %p\n"
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157 " BitsPerPixel : %d\n"
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158 " BytesPerPixel : %d\n"
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159 " colorkey : %d (%08x)\n"
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160 " alpha : %d\n",
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161 pf->palette,
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162 pf->BitsPerPixel,
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163 pf->BytesPerPixel,
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164 pf->colorkey, pf->colorkey,
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165 pf->alpha);
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166
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167 fprintf(f,
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168 " R/G/B/A loss : %d / %d / %d / %d\n"
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169 " R/G/B/A shift : %d / %d / %d / %d\n"
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170 " R/G/B/A mask : %08x / %08x / %08x / %08x\n",
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171 pf->Rloss , pf->Gloss , pf->Bloss , pf->Aloss,
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172 pf->Rshift , pf->Gshift , pf->Bshift , pf->Ashift,
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173 pf->Rmask , pf->Gmask , pf->Bmask , pf->Amask
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174 );
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175 }
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176 fprintf(f,
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177 " W x H : %d x %d\n"
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178 " pitch : %d bytes\n"
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179 " pixels : %p\n\n",
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180 s->w, s->h,
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181 s->pitch,
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182 s->pixels);
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183 }
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184
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185 BOOL DM_InitializeVideo(SDL_Surface **screen)
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186 {
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187 *screen = SDL_SetVideoMode(optScrWidth, optScrHeight, optScrDepth, optVFlags | SDL_RESIZABLE);
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188 if (*screen == NULL)
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189 {
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190 dmError("Can't SDL_SetVideoMode(): %s\n", SDL_GetError());
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191 return FALSE;
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192 }
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193 printSurface(stdout, *screen, "screen");
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194 return TRUE;
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195 }
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196
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197 void DM_UnRLE(Uint8 *dst, Uint8 **udata, const Uint8 *dp, const int rleMarker, const Uint8 *de)
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198 {
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199 Uint8 *data = *udata;
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200
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201 while (data < dp && dst < de)
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202 {
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203 int c = *data++;
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204 if ((c & rleMarker) == rleMarker)
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205 {
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206 int cnt = c & (0xff ^ rleMarker);
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207 c = *data++;
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208 while (cnt-- && dst < de)
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209 *dst++ = c;
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210 }
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211 else
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212 *dst++ = c;
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213 }
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214
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215 *udata = data;
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216 }
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217
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218 void DM_Redraw(SDL_Surface *screen, Uint8 *data, int skip, int useRLE, int rleMarker)
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219 {
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220 Uint8 *pix = screen->pixels;
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221
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222 if (useRLE)
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223 {
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224 const int tmpmax = screen->w * 64;
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225 Uint8 *tmp = dmMalloc(tmpmax);
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226 const Uint8 *dp = data + (screen->w * screen->h);
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227
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228 if (skip > tmpmax)
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229 skip = tmpmax;
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230
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231 if (useRLE == 1)
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232 {
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233 int yc;
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234 for (yc = 0; yc < screen->h; yc++)
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235 {
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236 memset(tmp, 0xff, tmpmax);
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237 DM_UnRLE(tmp, &data, dp, rleMarker, tmp + tmpmax);
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238 memcpy(pix, tmp, screen->w);
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239 pix += screen->pitch;
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240 }
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241 }
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242 else
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243 if (useRLE == 2)
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244 {
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245 int yc;
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246 for (yc = 0; yc < screen->h; yc++)
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247 {
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248 memset(tmp, 0xff, tmpmax);
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249 DM_UnRLE(tmp, &data, dp, rleMarker, tmp + skip);
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250 memcpy(pix, tmp, screen->w);
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251 pix += screen->pitch;
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252 }
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253 }
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254 else
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255 {
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256 printf("useRLE=%d\n", useRLE);
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257 }
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258
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259 dmFree(tmp);
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260 }
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261 else
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262 {
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263 int yc;
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264 for (yc = 0; yc < screen->h; yc++)
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265 {
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266 int xc;
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267 for (xc = 0; xc < screen->w; xc++)
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268 pix[xc] = *data++;
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269 pix += screen->pitch;
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270 }
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271 }
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272 }
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273
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274 void DM_Random(SDL_Surface *screen, int q)
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275 {
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276 Uint8 *pix = screen->pixels;
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277 int xc, yc;
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278
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279 for (yc = 0; yc < screen->h; yc++)
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280 {
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281 Uint8 *dp = pix;
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282
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283 for (xc = 0; xc < screen->w; xc++)
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284 *dp++ = (xc * q + yc * q);
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285
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286 pix += screen->pitch;
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287 }
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288 }
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289
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290 void adjustValue(int *val, int min, int max, int delta)
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291 {
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292 *val += delta;
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293 if (*val < min) *val = min;
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294 else if (*val > max) *val = max;
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295 }
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296
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297 int main(int argc, char *argv[])
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298 {
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299 SDL_Color pal[256];
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300 SDL_Surface *screen = NULL, *bmap = NULL;
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301 TTF_Font *font = NULL;
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302 SDL_Color fontcol={255,255,255,0};
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303 SDL_Event event;
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304 Uint8 *scrData = NULL;
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305 size_t scrSize = 0;
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306 int scrWidth = 128, scrHeight = 128, scrPalOffs = 0, scrOffs = 0, scrSkip = 0;
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307 BOOL initSDL = FALSE, initTTF = FALSE,
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308 exitFlag, needRedraw, palChanged = FALSE, showTest = FALSE, useRLE = FALSE,
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309 showHex = FALSE, scrPalette = FALSE, scrChanged;
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310
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311 // Initialize
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312 dmInitProg("vtest", "vtester", "0.1", NULL, NULL);
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313
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314 // Parse arguments
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315 if (!dmArgsProcess(argc, argv, optList, optListN,
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316 argHandleOpt, argHandleFile, FALSE))
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317 exit(1);
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318
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319
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320 if (optFilename == NULL)
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321 {
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322 dmError("No input file specified.\n");
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323 goto error_exit;
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324 }
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325 else
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326 {
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327 FILE *f = fopen(optFilename, "rb");
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328 if (f == NULL)
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329 {
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330 dmError("Could not open input file '%s'\n");
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331 goto error_exit;
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332 }
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333 fseek(f, 0L, SEEK_END);
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334 scrSize = ftell(f);
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335 fseek(f, 0L, SEEK_SET);
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336
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337 if ((scrData = malloc(scrSize)) == NULL)
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338 {
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339 fclose(f);
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340 dmError("Error allocating memory for data, %d bytes.\n", scrSize);
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341 goto error_exit;
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342 }
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343
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344 fread(scrData, 1, scrSize, f);
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345 fclose(f);
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346 }
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347
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348
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349 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0)
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350 {
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351 dmError("Could not initialize SDL: %s\n", SDL_GetError());
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352 goto error_exit;
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353 }
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354 initSDL = TRUE;
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355
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356 if (TTF_Init() < 0)
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357 {
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358 dmError("Could not initialize FreeType/TTF: %s\n", SDL_GetError());
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359 goto error_exit;
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360 }
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361 initTTF = TRUE;
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362
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363 font = TTF_OpenFont(optFontFile, optFontSize);
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364 if (font == NULL)
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365 {
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366 dmError("Could not load TTF font '%s' (%d): %s\n",
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367 optFontFile, optFontSize, SDL_GetError());
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368 goto error_exit;
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369 }
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370 TTF_SetFontStyle(font, TTF_STYLE_NORMAL);
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371
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372 if (!DM_InitializeVideo(&screen))
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373 goto error_exit;
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374
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375 SDL_WM_SetCaption("Halleluja", "DMT");
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376
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377 exitFlag = FALSE;
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378 scrChanged = palChanged = TRUE;
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379
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380 while (!exitFlag)
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381 {
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382 while (SDL_PollEvent(&event))
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383 switch (event.type)
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384 {
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385 case SDL_KEYDOWN:
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386 {
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387 int amount = 10;
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388
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389 if ((event.key.keysym.mod & KMOD_CTRL))
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390 amount = 50;
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391
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392 if ((event.key.keysym.mod & KMOD_SHIFT))
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393 amount = 1;
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394
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395 switch (event.key.keysym.sym)
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396 {
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397 case SDLK_ESCAPE: exitFlag = TRUE; break;
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398 case SDLK_LEFT: adjustValue(&scrWidth, 0, 1024, -amount); scrChanged = TRUE; break;
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399 case SDLK_RIGHT: adjustValue(&scrWidth, 0, 1024, amount); scrChanged = TRUE; break;
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400 case SDLK_UP: adjustValue(&scrHeight, 0, 1024, -amount); scrChanged = TRUE; break;
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401 case SDLK_DOWN: adjustValue(&scrHeight, 0, 1024, amount); scrChanged = TRUE; break;
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402
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403 case SDLK_F1:
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404 scrPalette = !scrPalette;
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405 palChanged = TRUE;
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406 break;
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407
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408 case SDLK_F2:
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409 showTest = !showTest;
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410 break;
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411
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412 case SDLK_F3: adjustValue(&scrPalOffs, 0, scrSize - 256 * 3, -amount); palChanged = TRUE; break;
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413 case SDLK_F4: adjustValue(&scrPalOffs, 0, scrSize - 256 * 3, amount); palChanged = TRUE; break;
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414
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415 case SDLK_F5: adjustValue(&scrOffs, 0, scrSize, -amount); break;
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416 case SDLK_F6: adjustValue(&scrOffs, 0, scrSize, amount); break;
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417
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418 case SDLK_F7: adjustValue(&scrSkip, 0, scrSize, -amount); break;
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419 case SDLK_F8: adjustValue(&scrSkip, 0, scrSize, amount); break;
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420
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421 case SDLK_F9:
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422 showHex = !showHex;
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423 break;
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424
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425 case SDLK_r:
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426 useRLE = (useRLE + 1) % 3;
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427 break;
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428
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429 default:
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430 break;
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431 }
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432 }
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433
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434 needRedraw = TRUE;
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435 break;
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436
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|
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437 case SDL_VIDEORESIZE:
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438 optScrWidth = event.resize.w;
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|
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439 optScrHeight = event.resize.h;
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440
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|
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441 if (!DM_InitializeVideo(&screen))
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442 goto error_exit;
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|
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443
|
|
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444 needRedraw = TRUE;
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|
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445 break;
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|
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446
|
|
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447 case SDL_VIDEOEXPOSE:
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|
|
448 needRedraw = TRUE;
|
|
|
449 break;
|
|
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450
|
|
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451 case SDL_QUIT:
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|
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452 exit(0);
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|
|
453 }
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|
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454
|
|
|
455 if (scrChanged)
|
|
|
456 {
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|
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457 SDL_FreeSurface(bmap);
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|
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458 bmap = SDL_CreateRGBSurface(SDL_SWSURFACE, scrWidth, scrHeight, 8, 0, 0, 0, 0);
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|
|
459 printSurface(stdout, bmap, "bmap");
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|
|
460 needRedraw = TRUE;
|
|
|
461 scrChanged = FALSE;
|
|
|
462 palChanged = TRUE;
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|
|
463 }
|
|
|
464
|
|
|
465 if (palChanged)
|
|
|
466 {
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|
|
467 if (scrPalette)
|
|
|
468 DM_CreatePaletteFrom(pal, scrData + scrPalOffs);
|
|
|
469 else
|
|
|
470 DM_MakePalette(pal);
|
|
|
471
|
|
|
472 SDL_SetColors(bmap, pal, 0, DM_COLORS);
|
|
|
473 palChanged = FALSE;
|
|
|
474 }
|
|
|
475
|
|
|
476 if (needRedraw)
|
|
|
477 {
|
|
|
478 if (SDL_MUSTLOCK(screen) != 0 && SDL_LockSurface(screen) != 0)
|
|
|
479 {
|
|
|
480 dmError("Can't lock surface.\n");
|
|
|
481 goto error_exit;
|
|
|
482 }
|
|
|
483
|
|
|
484 dmClearSurface(screen, dmMapRGB(screen, 255, 255, 150));
|
|
|
485 dmFillRect(screen, 0, 0, screen->w, TTF_FontHeight(font) + 10, dmMapRGB(screen, 50, 50, 150));
|
|
|
486 dmDrawTTFText(screen, font, fontcol, 5, 5, "%3d x %3d @ 0x%08x, skip=%d/0x%x",
|
|
|
487 scrWidth, scrHeight, scrOffs, scrSkip, scrSkip);
|
|
|
488
|
|
|
489 dmFillRect(screen, 0, screen->h - TTF_FontHeight(font) - 10, screen->w, screen->h, dmMapRGB(screen, 150, 50, 50));
|
|
|
490 if (scrPalette)
|
|
|
491 {
|
|
|
492 dmDrawTTFText(screen, font, fontcol, 5, screen->h - TTF_FontHeight(font) - 5,
|
|
|
493 "Palette offset 0x%08x/%08x", scrPalOffs, scrSize);
|
|
|
494 }
|
|
|
495 else
|
|
|
496 {
|
|
|
497 dmDrawTTFText(screen, font, fontcol, 5, screen->h - TTF_FontHeight(font) - 5,
|
|
|
498 "Generated palette.");
|
|
|
499 }
|
|
|
500 dmDrawTTFText(screen, font, fontcol, 450, screen->h - TTF_FontHeight(font) - 5,
|
|
|
501 "useRLE=%d", useRLE);
|
|
|
502
|
|
|
503
|
|
|
504 if (showTest)
|
|
|
505 DM_Random(bmap, SDL_GetTicks() / 100);
|
|
|
506 else
|
|
|
507 DM_Redraw(bmap, scrData + scrOffs, scrSkip, useRLE, 0xc0);
|
|
|
508
|
|
|
509 // float f = SDL_GetTicks() / 200.0f;
|
|
|
510 // dmScaledBlitSurfaceAny(bmap, sin(f) * 50, 40, screen->w + 100 * cos(f), screen->h - 80, screen, DMD_NONE);
|
|
|
511 dmScaledBlitSurfaceAny(bmap, 5, 40, screen->w - 10, screen->h - 80, screen, DMD_NONE);
|
|
|
512
|
|
|
513 if (showHex)
|
|
|
514 {
|
|
|
515 int w = 350, h = screen->h - 50;
|
|
|
516 int i, x = screen->w - w, y = 25;
|
|
|
517 int fh = TTF_FontHeight(font);
|
|
|
518
|
|
|
519 dmFillRect(screen, screen->w - 350, - 5, w, h, dmMapRGB(screen, 50, 50, 50));
|
|
|
520
|
|
|
521 dmDrawTTFText(screen, font, fontcol, x, y, "Palette hexdump");
|
|
|
522 y += fh + 5;
|
|
|
523 for (i = 0; i < 16; i++)
|
|
|
524 {
|
|
|
525 int offs = scrPalOffs + i * 3;
|
|
|
526 dmDrawTTFText(screen, font, fontcol, x, y + fh * i, "%04x: %02x %02x %02x | '%c' '%c' '%c'",
|
|
|
527 offs, scrData[offs], scrData[offs+1], scrData[offs+2],
|
|
|
528 scrData[offs], scrData[offs+1], scrData[offs+2]);
|
|
|
529 }
|
|
|
530 }
|
|
|
531
|
|
|
532 if (SDL_MUSTLOCK(screen) != 0)
|
|
|
533 SDL_UnlockSurface(screen);
|
|
|
534
|
|
|
535 SDL_Flip(screen);
|
|
|
536 needRedraw = FALSE;
|
|
|
537 }
|
|
|
538
|
|
|
539 SDL_Delay(10);
|
|
|
540 }
|
|
|
541
|
|
|
542
|
|
|
543 error_exit:
|
|
|
544 if (screen)
|
|
|
545 SDL_FreeSurface(screen);
|
|
|
546
|
|
|
547 if (font)
|
|
|
548 TTF_CloseFont(font);
|
|
|
549
|
|
|
550 if (initSDL)
|
|
|
551 SDL_Quit();
|
|
|
552
|
|
|
553 if (initTTF)
|
|
|
554 TTF_Quit();
|
|
|
555
|
|
|
556 return 0;
|
|
|
557 }
|
