src/colour.c

   1 /*
   2  * See Licensing and Copyright notice in naev.h
   3  */
   4
   5 /**
   6  * @file colour.c
   7  *
   8  * @brief Predefined colours for use with NAEV.
   9  */
  10
  11
  12 #include "colour.h"
  13
  14 #include <math.h>
  15 #include <string.h>
  16
  17 #include "naev.h"
  18 #include "log.h"
  19 #include "ncompat.h"
  20
  21 #if HAS_WIN32
  22 #include <shlwapi.h>
  23 #define STRCASECMP      lstrcmpiA
  24 #else /* HAS_WIN32 */
  25 #include <strings.h>
  26 #define STRCASECMP      strcasecmp
  27 #endif /* HAS_WIN32 */
  28
  29
  30
  31 /*
  32  * default colours
  33  */
  34 /* grey */
  35 glColour cWhite      = { .r=1.00, .g=1.00, .b=1.00, .a=1. }; /**< White */
  36 glColour cGrey90     = { .r=0.90, .g=0.90, .b=0.90, .a=1. }; /**< Grey 90% */
  37 glColour cGrey80     = { .r=0.80, .g=0.80, .b=0.80, .a=1. }; /**< Grey 80% */
  38 glColour cGrey70     = { .r=0.70, .g=0.70, .b=0.70, .a=1. }; /**< Grey 70% */
  39 glColour cGrey60     = { .r=0.60, .g=0.60, .b=0.60, .a=1. }; /**< Grey 60% */
  40 glColour cGrey50     = { .r=0.50, .g=0.50, .b=0.50, .a=1. }; /**< Grey 50% */
  41 glColour cGrey40     = { .r=0.40, .g=0.40, .b=0.40, .a=1. }; /**< Grey 40% */
  42 glColour cGrey30     = { .r=0.30, .g=0.30, .b=0.30, .a=1. }; /**< Grey 30% */
  43 glColour cGrey20     = { .r=0.20, .g=0.20, .b=0.20, .a=1. }; /**< Grey 20% */
  44 glColour cGrey10     = { .r=0.10, .g=0.10, .b=0.10, .a=1. }; /**< Grey 10% */
  45 glColour cBlack      = { .r=0.00, .g=0.00, .b=0.00, .a=1. }; /**< Black */
  46
  47 /* Greens. */
  48 glColour cGreen      = { .r=0.20, .g=0.80, .b=0.20, .a=1. }; /**< Green */
  49 /* Reds. */
  50 glColour cDarkRed    = { .r=0.60, .g=0.10, .b=0.10, .a=1. }; /**< Dark Red */
  51 glColour cRed        = { .r=0.80, .g=0.20, .b=0.20, .a=1. }; /**< Red */
  52 /* Oranges. */
  53 glColour cOrange     = { .r=0.90, .g=0.70, .b=0.10, .a=1. }; /**< Orange */
  54 /* Yellows. */
  55 glColour cGold       = { .r=1.00, .g=0.84, .b=0.00, .a=1. }; /**< Gold */
  56 glColour cYellow     = { .r=0.80, .g=0.80, .b=0.00, .a=1. }; /**< Yellow */
  57 /* Blues. */
  58 glColour cMidnightBlue = { .r=0.40, .g=0.4, .b=0.60, .a=1. }; /**< Midnight Blue. */
  59 glColour cDarkBlue   = { .r=0.10, .g=0.10, .b=0.60, .a=1. }; /**< Dark Blue */
  60 glColour cBlue       = { .r=0.20, .g=0.20, .b=0.80, .a=1. }; /**< Blue */
  61 glColour cLightBlue  = { .r=0.40, .g=0.40, .b=1.00, .a=1. }; /**< Light Blue */
  62 glColour cCyan       = { .r=0.00, .g=1.00, .b=1.00, .a=1. }; /* Cyan. */
  63 /* Purples. */
  64 glColour cPurple     = { .r=0.90, .g=0.10, .b=0.90, .a=1. }; /**< Purple */
  65 glColour cDarkPurple = { .r=0.68, .g=0.18, .b=0.64, .a=1. }; /**< Dark Purple */
  66 /* Browns. */
  67 glColour cBrown      = { .r=0.59, .g=0.28, .b=0.00, .a=1. }; /**< Brown */
  68 /* Misc. */
  69 glColour cSilver     = { .r=0.75, .g=0.75, .b=0.75, .a=1. }; /**< Silver */
  70
  71
  72 /*
  73  * game specific
  74  */
  75 glColour cConsole       =  { .r = 0.1, .g = 0.9, .b = 0.1, .a = 1.  }; /**< Console colour */
  76 glColour cDConsole      =  { .r = 0.0, .g = 0.7, .b = 0.0, .a = 1.  }; /**< Dark Console colour */
  77 /* toolkit */
  78 glColour cHilight       =  { .r = 0.1, .g = 0.9, .b = 0.1, .a = 0.3 }; /**< Hilight colour */
  79 /* objects */
  80 glColour cInert         =  { .r = 0.6, .g = 0.6, .b = 0.6, .a = 1.  }; /**< Inert object colour */
  81 glColour cNeutral       =  { .r = 0.9, .g = 1.0, .b = 0.3, .a = 1.  }; /**< Neutral object colour */
  82 glColour cFriend        =  { .r = 0.0, .g = 0.8, .b = 0.0, .a = 1.  }; /**< Friend object colour */
  83 glColour cHostile       =  { .r = 0.9, .g = 0.2, .b = 0.2, .a = 1.  }; /**< Hostile object colour */
  84 /* radar */
  85 glColour cRadar_player  =  { .r = 0.4, .g = 0.8, .b = 0.4, .a = 1.  }; /**< Player colour on radar. */
  86 glColour cRadar_tPilot  =  { .r = 0.8, .g = 0.5, .b = 0.0, .a = 1.  }; /**< Targetted object colour on radar. */
  87 glColour cRadar_tPlanet =  { .r = 0.7, .g = 0.0, .b = 0.9, .a = 1.  }; /**< Targetted planet colour. */
  88 glColour cRadar_weap    =  { .r = 0.8, .g = 0.2, .b = 0.2, .a = 1.  }; /**< Weapon colour on radar. */
  89 /* health */
  90 glColour cShield        =  { .r = 0.2, .g = 0.2, .b = 0.8, .a = 1.  }; /**< Shield bar colour. */
  91 glColour cArmour        =  { .r = 0.5, .g = 0.5, .b = 0.5, .a = 1.  }; /**< Armour bar colour. */
  92 glColour cEnergy        =  { .r = 0.2, .g = 0.8, .b = 0.2, .a = 1.  }; /**< Energy bar colour. */
  93 glColour cFuel          =  { .r = 0.9, .g = 0.1, .b = 0.4, .a = 1.  }; /**< Fuel bar colour. */
  94
  95 /* Deiz's Super Font Palette */
  96
  97 glColour cFontRed       =  { .r = 0.8, .g = 0.2, .b = 0.2, .a = 1. };
  98 glColour cFontGreen     =  { .r = 0.4, .g = 0.8, .b = 0.2, .a = 1. };
  99 glColour cFontBlue      =  { .r = 0.2, .g = 0.4, .b = 0.8, .a = 1. };
 100 glColour cFontYellow    =  { .r = 0.9, .g = 0.8, .b = 0.0, .a = 1. };
 101 glColour cFontWhite     =  { .r = 0.8, .g = 0.8, .b = 0.8, .a = 1.  };
 102 glColour cFontPurple    =  { .r = 0.7, .g = 0.3, .b = 0.7, .a = 1.  };
 103 glColour cFontFriendly  =  { .r = 0.3, .g = 0.9, .b = 0.3, .a = 1. };
 104 glColour cFontHostile   =  { .r = 0.9, .g = 0.2, .b = 0.2, .a = 1. };
 105 glColour cFontNeutral   =  { .r = 1.0, .g = 0.9, .b = 0.0, .a = 1.  };
 106
 107 /**
 108  * @brief Changes colourspace from HSV to RGB.
 109  *
 110  * All values go from 0 to 1.
 111  *
 112  *    @param[out] r Stores R.
 113  *    @param[out] g Stores G.
 114  *    @param[out] b Stores B.
 115  *    @param h Hue to convert.
 116  *    @param s Saturation to convert.
 117  *    @param v Value to convert.
 118  */
 119 void col_hsv2rgb( double *r, double *g, double *b, double h, double s, double v )
 120 {
 121    double var_h, var_i, var_1, var_2, var_3;
 122
 123    if (s == 0) {
 124       *r = v;
 125       *g = v;
 126       *b = v;
 127    }
 128    else {
 129       var_h = h * 6;
 130       var_i = floor(var_h);
 131       var_1 = v * (1 - s);
 132       var_2 = v * (1 - s * (var_h - var_i));
 133       var_3 = v * (1 - s * (1 - (var_h - var_i)));
 134
 135       if      (var_i == 0) { *r = v     ; *g = var_3 ; *b = var_1; }
 136       else if (var_i == 1) { *r = var_2 ; *g = v     ; *b = var_1; }
 137       else if (var_i == 2) { *r = var_1 ; *g = v     ; *b = var_3; }
 138       else if (var_i == 3) { *r = var_1 ; *g = var_2 ; *b = v;     }
 139       else if (var_i == 4) { *r = var_3 ; *g = var_1 ; *b = v;     }
 140       else                 { *r = v     ; *g = var_1 ; *b = var_2; }
 141    }
 142 }
 143
 144 /**
 145  * @brief Returns a colour from it's name
 146  *
 147  *    @param name Colour's name
 148  *    @return the colour
 149  */
 150 #define CHECK_COLOUR(colour) \
 151       if (STRCASECMP(name, #colour) == 0) return &c##colour
 152 glColour* col_fromName(const char* name) {
 153    if (name[0] == 'b' || name[0] == 'B') {
 154       CHECK_COLOUR(Blue);
 155       CHECK_COLOUR(Black);
 156       CHECK_COLOUR(Brown);
 157    }
 158
 159    if (name[0] == 'c' || name[0] == 'C') {
 160       CHECK_COLOUR(Cyan);
 161    }
 162
 163    if (name[0] == 'd' || name[0] == 'D') {
 164       CHECK_COLOUR(DarkRed);
 165       CHECK_COLOUR(DarkBlue);
 166    }
 167
 168    if (name[0] == 'g' || name[0] == 'G') {
 169       CHECK_COLOUR(Gold);
 170       CHECK_COLOUR(Green);
 171       CHECK_COLOUR(Grey90);
 172       CHECK_COLOUR(Grey80);
 173       CHECK_COLOUR(Grey70);
 174       CHECK_COLOUR(Grey60);
 175       CHECK_COLOUR(Grey50);
 176       CHECK_COLOUR(Grey40);
 177       CHECK_COLOUR(Grey30);
 178       CHECK_COLOUR(Grey20);
 179       CHECK_COLOUR(Grey10);
 180    }
 181
 182    if (name[0] == 'l' || name[0] == 'L') {
 183       CHECK_COLOUR(LightBlue);
 184    }
 185
 186    if (name[0] == 'o' || name[0] == 'O') {
 187       CHECK_COLOUR(Orange);
 188    }
 189
 190    if (name[0] == 'p' || name[0] == 'P') {
 191       CHECK_COLOUR(Purple);
 192    }
 193
 194    if (name[0] == 'r' || name[0] == 'R') {
 195       CHECK_COLOUR(Red);
 196    }
 197
 198    if (name[0] == 's' || name[0] == 'S') {
 199       CHECK_COLOUR(Silver);
 200    }
 201
 202    if (name[0] == 'w' || name[0] == 'W') {
 203       CHECK_COLOUR(White);
 204    }
 205
 206    if (name[0] == 'y' || name[0] == 'Y') {
 207       CHECK_COLOUR(Yellow);
 208    }
 209
 210    if (name[0] == 'm' || name[0] == 'M') {
 211       CHECK_COLOUR(MidnightBlue);
 212    }
 213
 214
 215    WARN("Unknown colour %s", name);
 216    return NULL;
 217 }
 218 #undef CHECK_COLOUR
 219