src/shared/palette.cpp

   1 /* Dynamically reconfigurable coloring for GUI
   2 Copyright (C) 2005-2008, Jonathan Bachrach, Jacob Beal, and contributors
   3 listed in the AUTHORS file in the MIT Proto distribution's top directory.
   4
   5 This file is part of MIT Proto, and is distributed under the terms of
   6 the GNU General Public License, with a linking exception, as described
   7 in the file LICENSE in the MIT Proto distribution's top directory. */
   8
   9 #include "config.h"
  10 #include <stdio.h>
  11 #include "visualizer.h"
  12
  13 /*****************************************************************************
  14  *  PALETTE                                                                  *
  15  *****************************************************************************/
  16 static BOOL palette_initialized = FALSE;
  17 static char* color_names[PALETTE_SIZE];
  18
  19 void set_color_names(); // defined below
  20
  21 Palette::Palette() {
  22   if(!palette_initialized) { set_color_names(); palette_initialized=TRUE; }
  23   for(int i=0;i<PALETTE_SIZE;i++) stack_depth[i]=0;
  24   default_palette();
  25 }
  26
  27 void Palette::use_color(ColorName c) {
  28   glColor4f(colors[c][0],colors[c][1],colors[c][2],colors[c][3]);
  29 }
  30 void Palette::scale_color(ColorName c,flo r, flo g, flo b, flo a) {
  31   glColor4f(colors[c][0]*r,colors[c][1]*g,colors[c][2]*b,colors[c][3]*a);
  32 }
  33
  34 void Palette::set_background(ColorName c) {
  35   glClearColor(colors[c][0],colors[c][1],colors[c][2],colors[c][3]);
  36 }
  37
  38 void Palette::set_color(ColorName c, flo r, flo g, flo b) {
  39   set_color(c,r,g,b,1);
  40 }
  41 void Palette::set_color(ColorName c, flo r, flo g, flo b, flo a) {
  42   colors[c][0]=r; colors[c][1]=g; colors[c][2]=b; colors[c][3]=a;
  43 }
  44
  45 void Palette::push_color(ColorName c, flo r, flo g, flo b) {
  46   push_color(c,r,g,b,1);
  47 }
  48 void Palette::push_color(ColorName c, flo r, flo g, flo b, flo a) {
  49   if(stack_depth[c]>=PALETTE_STACK_SIZE)
  50     uerror("Color stack depth exceeeded at %s",color_names[c]);
  51   for(int i=0;i<4;i++) color_stack[c][stack_depth[c]][i] = colors[c][i];
  52   colors[c][0]=r; colors[c][1]=g; colors[c][2]=b; colors[c][3]=a;
  53   stack_depth[c]++;
  54 }
  55 void Palette::pop_color(ColorName c) {
  56   stack_depth[c]--;
  57   if(stack_depth[c]<0)
  58     uerror("Empty color stack popped for %s",color_names[c]);
  59   for(int i=0;i<4;i++) colors[c][i] = color_stack[c][stack_depth[c]][i];
  60 }
  61
  62 void Palette::substitute_color(ColorName c, ColorName overlay) {
  63   push_color(c, colors[overlay][0], colors[overlay][1],
  64              colors[overlay][2], colors[overlay][3]);
  65 }
  66
  67 void Palette::overlay_from_file(char* filename) {
  68   FILE* file;
  69   if((file = fopen(filename, "r"))==NULL) {
  70     debug("WARNING: Couldn't open palette file %s.\n",filename);
  71   } else {
  72     char buf[255]; int line=0;
  73     while(fgets(buf,255,file)) {
  74       line++;
  75       char name[255]; flo r, g, b, a;
  76       int n = sscanf(buf,"%s %f %f %f %f",&name,&r,&g,&b,&a);
  77       if(n==EOF || n==0 || name[0]=='#') continue; // whitespace or comment
  78       if(n>=4) {
  79         if(n==4) a=1;
  80         int c;
  81         for(c=0;c<PALETTE_SIZE;c++) {
  82           if(strcmp(name,color_names[c])==0) {
  83             set_color((ColorName)c,r,g,b,a); break;
  84           }
  85         }
  86         if(c==PALETTE_SIZE)
  87           debug("WARNING: no color named %s (%s line %d)\n",
  88                 name,filename,line);
  89       } else {
  90         debug("WARNING: bad color at %s line %d; should be NAME R G B [A]\n",
  91               filename,line);
  92       }
  93     }
  94     fclose(file);
  95   }
  96 }
  97
  98 /*****************************************************************************
  99  *  COLOR NAMES & SPECIFICATIONS                                             *
 100  *****************************************************************************/
 101 // necessary to match enums and strings
 102 void set_color_names() {
 103   for(int i=0;i<PALETTE_SIZE;i++) { color_names[i]=""; } // default
 104   color_names[BACKGROUND] = "BACKGROUND";
 105   color_names[TIME_DISPLAY] = "TIME_DISPLAY";
 106   color_names[FPS_DISPLAY] = "FPS_DISPLAY";
 107   color_names[LAG_WARNING] = "LAG_WARNING";
 108   color_names[PHOTO_FLASH] = "PHOTO_FLASH";
 109   color_names[SIMPLE_BODY] = "SIMPLE_BODY";
 110   color_names[MOTE_BODY] = "MOTE_BODY";
 111   color_names[DRAG_SELECTION] = "DRAG_SELECTION";
 112   color_names[DEVICE_SELECTED] = "DEVICE_SELECTED";
 113   color_names[DEVICE_ID] = "DEVICE_ID";
 114   color_names[DEVICE_SCRIPT] = "DEVICE_SCRIPT";
 115   color_names[DEVICE_VALUE] = "DEVICE_VALUE";
 116   color_names[DEVICE_PROBES] = "DEVICE_PROBES";
 117   color_names[VECTOR_BODY] = "VECTOR_BODY";
 118   color_names[VECTOR_TIP] = "VECTOR_TIP";
 119   color_names[USER_SENSOR_1] = "USER_SENSOR_1";
 120   color_names[USER_SENSOR_2] = "USER_SENSOR_2";
 121   color_names[USER_SENSOR_3] = "USER_SENSOR_3";
 122   color_names[RGB_LED] = "RGB_LED";
 123   color_names[RED_LED] = "RED_LED";
 124   color_names[GREEN_LED] = "GREEN_LED";
 125   color_names[BLUE_LED] = "BLUE_LED";
 126   color_names[RADIO_RANGE_RING] = "RADIO_RANGE_RING";
 127   color_names[NET_CONNECTION_FUZZY] = "NET_CONNECTION_FUZZY";
 128   color_names[NET_CONNECTION_SHARP] = "NET_CONNECTION_SHARP";
 129   color_names[NET_CONNECTION_LOGICAL] = "NET_CONNECTION_LOGICAL";
 130   color_names[RADIO_CELL_INFO] = "RADIO_CELL_INFO";
 131   color_names[RADIO_BACKOFF] = "RADIO_BACKOFF";
 132   color_names[DEVICE_DEBUG] = "DEVICE_DEBUG";
 133   color_names[BUTTON_COLOR] = "BUTTON_COLOR";
 134   color_names[ODE_SELECTED] = "ODE_SELECTED";
 135   color_names[ODE_DISABLED] = "ODE_DISABLED";
 136   color_names[ODE_BOT] = "ODE_BOT";
 137   color_names[ODE_EDGES] = "ODE_EDGES";
 138   color_names[ODE_WALL] = "ODE_WALL";
 139   //color_names[] = "";
 140 }
 141
 142 // set the default colors
 143 void Palette::default_palette() {
 144   set_color(BACKGROUND,0,0,0,0.5); // black background
 145   set_color(TIME_DISPLAY,1,0,1);
 146   set_color(FPS_DISPLAY,1,0,1);
 147   set_color(LAG_WARNING,1,0,0);
 148   set_color(PHOTO_FLASH, 1, 1, 1, 1);
 149   set_color(SIMPLE_BODY, 1.0, 0.25, 0.0, 0.8);
 150   set_color(MOTE_BODY,1,0,1,0.8);
 151   set_color(DRAG_SELECTION, 1, 1, 0, 0.5);
 152   set_color(DEVICE_SELECTED, 0.5, 0.5, 0.5, 0.8);
 153   set_color(DEVICE_ID, 1, 0, 0, 0.8);
 154   set_color(DEVICE_SCRIPT, 1, 0, 0, 0.8);
 155   set_color(DEVICE_VALUE, 0.5, 0.5, 1, 0.8);
 156   set_color(DEVICE_PROBES, 0, 1, 0, 0.8);
 157   set_color(VECTOR_BODY, 0, 0, 1, 0.8);
 158   set_color(VECTOR_TIP, 1, 0, 1, 0.8);
 159   set_color(USER_SENSOR_1, 1.0, 0.5, 0, 0.8);
 160   set_color(USER_SENSOR_2, 0.5, 0, 1.0, 0.8);
 161   set_color(USER_SENSOR_3, 1.0, 0, 0.5, 0.8);
 162   set_color(RGB_LED, 1, 1, 1, 0.8);
 163   set_color(RED_LED, 1, 0, 0, 0.8);
 164   set_color(GREEN_LED, 0, 1, 0, 0.8);
 165   set_color(BLUE_LED, 0, 0, 1, 0.8);
 166   set_color(RADIO_RANGE_RING, 0.25, 0.25, 0.25, 0.8);
 167   set_color(NET_CONNECTION_FUZZY, 0, 1, 0, 0.25);
 168   set_color(NET_CONNECTION_SHARP, 0, 1, 0, 1);
 169   set_color(NET_CONNECTION_LOGICAL, 0.5, 0.5, 1, 0.8);
 170   set_color(RADIO_CELL_INFO, 0, 1, 1, 0.8);
 171   set_color(RADIO_BACKOFF, 1, 0, 0, 0.8);
 172   set_color(DEVICE_DEBUG, 1, 0.8, 0.8, 0.5);
 173   set_color(BUTTON_COLOR, 0, 1.0, 0.5, 0.8);
 174   set_color(ODE_SELECTED, 0, 0.7, 1, 1);
 175   set_color(ODE_DISABLED, 0.8, 0, 0, 0.7);
 176   set_color(ODE_BOT, 1, 0, 0, 0.7);
 177   set_color(ODE_EDGES, 0, 0, 1, 1);
 178   set_color(ODE_WALL, 1, 0, 0, 0.1);
 179   //set_color(, 0, 0, 0, 0);
 180 }