225 lines
14 KiB
C++
225 lines
14 KiB
C++
// color.cpp
|
|
//
|
|
// Copyright (C) 2001-2008, the Celestia Development Team
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License
|
|
// as published by the Free Software Foundation; either version 2
|
|
// of the License, or (at your option) any later version.
|
|
|
|
#include "color.h"
|
|
|
|
using namespace std;
|
|
|
|
Color::ColorMap Color::x11Colors;
|
|
|
|
const Color Color::White = Color(1.0f, 1.0f, 1.0f);
|
|
const Color Color::Black = Color(0.0f,0.0f, 0.0f);
|
|
|
|
/*! Parse a color string and return true if it was a valid color, otherwise
|
|
* false. Accetable inputs are HTML/X11 style #xxxxxx colors (where x is
|
|
* hexadecimal digit) or one of a list of named colors.
|
|
*/
|
|
bool Color::parse(const char* s, Color& c)
|
|
{
|
|
// Initialize the color dictionary if this is the first
|
|
// time Color::parse has been called.
|
|
if (x11Colors.empty())
|
|
{
|
|
buildX11ColorMap();
|
|
}
|
|
|
|
if (s[0] == '#')
|
|
{
|
|
s++;
|
|
|
|
int length = strlen(s);
|
|
|
|
// Verify that the string contains only hex digits
|
|
for (int i = 0; i < length; i++)
|
|
{
|
|
if (isxdigit(s[i]) == 0)
|
|
return false;
|
|
}
|
|
|
|
unsigned int n;
|
|
sscanf(s, "%x", &n);
|
|
switch(length)
|
|
{
|
|
case 3:
|
|
c = Color((uint8_t) ((n >> 8) * 17),
|
|
(uint8_t) (((n & 0x0f0) >> 4) * 17),
|
|
(uint8_t) ((n & 0x00f) * 17));
|
|
return true;
|
|
case 6:
|
|
c = Color((uint8_t) (n >> 16),
|
|
(uint8_t) ((n & 0x00ff00) >> 8),
|
|
(uint8_t) (n & 0x0000ff));
|
|
return true;
|
|
case 8:
|
|
c = Color((uint8_t) (n >> 24),
|
|
(uint8_t) ((n & 0x00ff0000) >> 16),
|
|
(uint8_t) ((n & 0x00ff00) >> 8),
|
|
(uint8_t) (n & 0x0000ff));
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (x11Colors.find(s) != x11Colors.end())
|
|
{
|
|
c = x11Colors.find(s)->second;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
// X11 Colors STL map
|
|
void Color::buildX11ColorMap()
|
|
{
|
|
x11Colors["aliceblue"] = Color((uint8_t)240, (uint8_t)248, (uint8_t)255);
|
|
x11Colors["antiquewhite"] = Color((uint8_t)250, (uint8_t)235, (uint8_t)215);
|
|
x11Colors["aqua"] = Color((uint8_t)0, (uint8_t)255, (uint8_t)255);
|
|
x11Colors["aquamarine"] = Color((uint8_t)127, (uint8_t)255, (uint8_t)212);
|
|
x11Colors["azure"] = Color((uint8_t)240, (uint8_t)255, (uint8_t)255);
|
|
x11Colors["beige"] = Color((uint8_t)245, (uint8_t)245, (uint8_t)220);
|
|
x11Colors["bisque"] = Color((uint8_t)255, (uint8_t)228, (uint8_t)196);
|
|
x11Colors["black"] = Color((uint8_t)0, (uint8_t)0, (uint8_t)0);
|
|
x11Colors["blanchedalmond"] = Color((uint8_t)255, (uint8_t)235, (uint8_t)205);
|
|
x11Colors["blue"] = Color((uint8_t)0, (uint8_t)0, (uint8_t)255);
|
|
x11Colors["blueviolet"] = Color((uint8_t)138, (uint8_t)43, (uint8_t)226);
|
|
x11Colors["brown"] = Color((uint8_t)165, (uint8_t)42, (uint8_t)42);
|
|
x11Colors["burlywood"] = Color((uint8_t)222, (uint8_t)184, (uint8_t)135);
|
|
x11Colors["cadetblue"] = Color((uint8_t)95, (uint8_t)158, (uint8_t)160);
|
|
x11Colors["chartreuse"] = Color((uint8_t)127, (uint8_t)255, (uint8_t)0);
|
|
x11Colors["chocolate"] = Color((uint8_t)210, (uint8_t)105, (uint8_t)30);
|
|
x11Colors["coral"] = Color((uint8_t)255, (uint8_t)127, (uint8_t)80);
|
|
x11Colors["cornflowerblue"] = Color((uint8_t)100, (uint8_t)149, (uint8_t)237);
|
|
x11Colors["cornsilk"] = Color((uint8_t)255, (uint8_t)248, (uint8_t)220);
|
|
x11Colors["crimson"] = Color((uint8_t)220, (uint8_t)20, (uint8_t)60);
|
|
x11Colors["cyan"] = Color((uint8_t)0, (uint8_t)255, (uint8_t)255);
|
|
x11Colors["darkblue"] = Color((uint8_t)0, (uint8_t)0, (uint8_t)139);
|
|
x11Colors["darkcyan"] = Color((uint8_t)0, (uint8_t)139, (uint8_t)139);
|
|
x11Colors["darkgoldenrod"] = Color((uint8_t)184, (uint8_t)134, (uint8_t)11);
|
|
x11Colors["darkgray"] = Color((uint8_t)169, (uint8_t)169, (uint8_t)169);
|
|
x11Colors["darkgreen"] = Color((uint8_t)0, (uint8_t)100, (uint8_t)0);
|
|
x11Colors["darkkhaki"] = Color((uint8_t)189, (uint8_t)183, (uint8_t)107);
|
|
x11Colors["darkmagenta"] = Color((uint8_t)139, (uint8_t)0, (uint8_t)139);
|
|
x11Colors["darkolivegreen"] = Color((uint8_t)85, (uint8_t)107, (uint8_t)47);
|
|
x11Colors["darkorange"] = Color((uint8_t)255, (uint8_t)140, (uint8_t)0);
|
|
x11Colors["darkorchid"] = Color((uint8_t)153, (uint8_t)50, (uint8_t)204);
|
|
x11Colors["darkred"] = Color((uint8_t)139, (uint8_t)0, (uint8_t)0);
|
|
x11Colors["darksalmon"] = Color((uint8_t)233, (uint8_t)150, (uint8_t)122);
|
|
x11Colors["darkseagreen"] = Color((uint8_t)143, (uint8_t)188, (uint8_t)143);
|
|
x11Colors["darkslateblue"] = Color((uint8_t)72, (uint8_t)61, (uint8_t)139);
|
|
x11Colors["darkslategray"] = Color((uint8_t)47, (uint8_t)79, (uint8_t)79);
|
|
x11Colors["darkturquoise"] = Color((uint8_t)0, (uint8_t)206, (uint8_t)209);
|
|
x11Colors["darkviolet"] = Color((uint8_t)148, (uint8_t)0, (uint8_t)211);
|
|
x11Colors["deeppink"] = Color((uint8_t)255, (uint8_t)20, (uint8_t)147);
|
|
x11Colors["deepskyblue"] = Color((uint8_t)0, (uint8_t)191, (uint8_t)255);
|
|
x11Colors["dimgray"] = Color((uint8_t)105, (uint8_t)105, (uint8_t)105);
|
|
x11Colors["dodgerblue"] = Color((uint8_t)30, (uint8_t)144, (uint8_t)255);
|
|
x11Colors["firebrick"] = Color((uint8_t)178, (uint8_t)34, (uint8_t)34);
|
|
x11Colors["floralwhite"] = Color((uint8_t)255, (uint8_t)250, (uint8_t)240);
|
|
x11Colors["forestgreen"] = Color((uint8_t)34, (uint8_t)139, (uint8_t)34);
|
|
x11Colors["fuchsia"] = Color((uint8_t)255, (uint8_t)0, (uint8_t)255);
|
|
x11Colors["gainsboro"] = Color((uint8_t)220, (uint8_t)220, (uint8_t)220);
|
|
x11Colors["ghostwhite"] = Color((uint8_t)248, (uint8_t)248, (uint8_t)255);
|
|
x11Colors["gold"] = Color((uint8_t)255, (uint8_t)215, (uint8_t)0);
|
|
x11Colors["goldenrod"] = Color((uint8_t)218, (uint8_t)165, (uint8_t)32);
|
|
x11Colors["gray"] = Color((uint8_t)128, (uint8_t)128, (uint8_t)128);
|
|
x11Colors["green"] = Color((uint8_t)0, (uint8_t)128, (uint8_t)0);
|
|
x11Colors["greenyellow"] = Color((uint8_t)173, (uint8_t)255, (uint8_t)47);
|
|
x11Colors["honeydew"] = Color((uint8_t)240, (uint8_t)255, (uint8_t)240);
|
|
x11Colors["hotpink"] = Color((uint8_t)255, (uint8_t)105, (uint8_t)180);
|
|
x11Colors["indianred"] = Color((uint8_t)205, (uint8_t)92, (uint8_t)92);
|
|
x11Colors["indigo"] = Color((uint8_t)75, (uint8_t)0, (uint8_t)130);
|
|
x11Colors["ivory"] = Color((uint8_t)255, (uint8_t)255, (uint8_t)240);
|
|
x11Colors["khaki"] = Color((uint8_t)240, (uint8_t)230, (uint8_t)140);
|
|
x11Colors["lavender"] = Color((uint8_t)230, (uint8_t)230, (uint8_t)250);
|
|
x11Colors["lavenderblush"] = Color((uint8_t)255, (uint8_t)240, (uint8_t)245 );
|
|
x11Colors["lawngreen"] = Color((uint8_t)124, (uint8_t)252, (uint8_t)0);
|
|
x11Colors["lemonchiffon"] = Color((uint8_t)255, (uint8_t)250, (uint8_t)205);
|
|
x11Colors["lightblue"] = Color((uint8_t)173, (uint8_t)216, (uint8_t)230);
|
|
x11Colors["lightcoral"] = Color((uint8_t)240, (uint8_t)128, (uint8_t)128);
|
|
x11Colors["lightcyan"] = Color((uint8_t)224, (uint8_t)255, (uint8_t)255);
|
|
x11Colors["lightgoldenrodyellow"] = Color((uint8_t)250, (uint8_t)250, (uint8_t)210);
|
|
x11Colors["lightgreen"] = Color((uint8_t)144, (uint8_t)238, (uint8_t)144);
|
|
x11Colors["lightgrey"] = Color((uint8_t)211, (uint8_t)211, (uint8_t)211);
|
|
x11Colors["lightpink"] = Color((uint8_t)255, (uint8_t)182, (uint8_t)193);
|
|
x11Colors["lightsalmon"] = Color((uint8_t)255, (uint8_t)160, (uint8_t)122);
|
|
x11Colors["lightseagreen"] = Color((uint8_t)32, (uint8_t)178, (uint8_t)170);
|
|
x11Colors["lightskyblue"] = Color((uint8_t)135, (uint8_t)206, (uint8_t)250);
|
|
x11Colors["lightslategray"] = Color((uint8_t)119, (uint8_t)136, (uint8_t)153);
|
|
x11Colors["lightsteelblue"] = Color((uint8_t)176, (uint8_t)196, (uint8_t)222);
|
|
x11Colors["lightyellow"] = Color((uint8_t)255, (uint8_t)255, (uint8_t)224);
|
|
x11Colors["lime"] = Color((uint8_t)0, (uint8_t)255, (uint8_t)0);
|
|
x11Colors["limegreen"] = Color((uint8_t)50, (uint8_t)205, (uint8_t)50);
|
|
x11Colors["linen"] = Color((uint8_t)250, (uint8_t)240, (uint8_t)230);
|
|
x11Colors["magenta"] = Color((uint8_t)255, (uint8_t)0, (uint8_t)255);
|
|
x11Colors["maroon"] = Color((uint8_t)128, (uint8_t)0, (uint8_t)0);
|
|
x11Colors["mediumaquamarine"] = Color((uint8_t)102, (uint8_t)205, (uint8_t)170);
|
|
x11Colors["mediumblue"] = Color((uint8_t)0, (uint8_t)0, (uint8_t)205);
|
|
x11Colors["mediumorchid"] = Color((uint8_t)186, (uint8_t)85, (uint8_t)211);
|
|
x11Colors["mediumpurple"] = Color((uint8_t)147, (uint8_t)112, (uint8_t)219);
|
|
x11Colors["mediumseagreen"] = Color((uint8_t)60, (uint8_t)179, (uint8_t)113);
|
|
x11Colors["mediumslateblue"] = Color((uint8_t)123, (uint8_t)104, (uint8_t)238);
|
|
x11Colors["mediumspringgreen"] = Color((uint8_t)0, (uint8_t)250, (uint8_t)154);
|
|
x11Colors["mediumturquoise"] = Color((uint8_t)72, (uint8_t)209, (uint8_t)204);
|
|
x11Colors["mediumvioletred"] = Color((uint8_t)199, (uint8_t)21, (uint8_t)133);
|
|
x11Colors["midnightblue"] = Color((uint8_t)25, (uint8_t)25, (uint8_t)112);
|
|
x11Colors["mintcream"] = Color((uint8_t)245, (uint8_t)255, (uint8_t)250);
|
|
x11Colors["mistyrose"] = Color((uint8_t)255, (uint8_t)228, (uint8_t)225);
|
|
x11Colors["moccasin"] = Color((uint8_t)255, (uint8_t)228, (uint8_t)181);
|
|
x11Colors["navajowhite"] = Color((uint8_t)255, (uint8_t)222, (uint8_t)173);
|
|
x11Colors["navy"] = Color((uint8_t)0, (uint8_t)0, (uint8_t)128);
|
|
x11Colors["oldlace"] = Color((uint8_t)253, (uint8_t)245, (uint8_t)230);
|
|
x11Colors["olive"] = Color((uint8_t)128, (uint8_t)128, (uint8_t)0);
|
|
x11Colors["olivedrab"] = Color((uint8_t)107, (uint8_t)142, (uint8_t)35);
|
|
x11Colors["orange"] = Color((uint8_t)255, (uint8_t)165, (uint8_t)0);
|
|
x11Colors["orangered"] = Color((uint8_t)255, (uint8_t)69, (uint8_t)0);
|
|
x11Colors["orchid"] = Color((uint8_t)218, (uint8_t)112, (uint8_t)214);
|
|
x11Colors["palegoldenrod"] = Color((uint8_t)238, (uint8_t)232, (uint8_t)170);
|
|
x11Colors["palegreen"] = Color((uint8_t)152, (uint8_t)251, (uint8_t)152);
|
|
x11Colors["paleturquoise"] = Color((uint8_t)175, (uint8_t)238, (uint8_t)238);
|
|
x11Colors["palevioletred"] = Color((uint8_t)219, (uint8_t)112, (uint8_t)147);
|
|
x11Colors["papayawhip"] = Color((uint8_t)255, (uint8_t)239, (uint8_t)213);
|
|
x11Colors["peachpuff"] = Color((uint8_t)255, (uint8_t)218, (uint8_t)185);
|
|
x11Colors["peru"] = Color((uint8_t)205, (uint8_t)133, (uint8_t)63);
|
|
x11Colors["pink"] = Color((uint8_t)255, (uint8_t)192, (uint8_t)203);
|
|
x11Colors["plum"] = Color((uint8_t)221, (uint8_t)160, (uint8_t)221);
|
|
x11Colors["powderblue"] = Color((uint8_t)176, (uint8_t)224, (uint8_t)230);
|
|
x11Colors["purple"] = Color((uint8_t)128, (uint8_t)0, (uint8_t)128);
|
|
x11Colors["red"] = Color((uint8_t)255, (uint8_t)0, (uint8_t)0);
|
|
x11Colors["rosybrown"] = Color((uint8_t)188, (uint8_t)143, (uint8_t)143);
|
|
x11Colors["royalblue"] = Color((uint8_t)65, (uint8_t)105, (uint8_t)225);
|
|
x11Colors["saddlebrown"] = Color((uint8_t)139, (uint8_t)69, (uint8_t)19);
|
|
x11Colors["salmon"] = Color((uint8_t)250, (uint8_t)128, (uint8_t)114);
|
|
x11Colors["sandybrown"] = Color((uint8_t)244, (uint8_t)164, (uint8_t)96);
|
|
x11Colors["seagreen"] = Color((uint8_t)46, (uint8_t)139, (uint8_t)87);
|
|
x11Colors["seashell"] = Color((uint8_t)255, (uint8_t)245, (uint8_t)238);
|
|
x11Colors["sienna"] = Color((uint8_t)160, (uint8_t)82, (uint8_t)45);
|
|
x11Colors["silver"] = Color((uint8_t)192, (uint8_t)192, (uint8_t)192);
|
|
x11Colors["skyblue"] = Color((uint8_t)135, (uint8_t)206, (uint8_t)235);
|
|
x11Colors["slateblue"] = Color((uint8_t)106, (uint8_t)90, (uint8_t)205);
|
|
x11Colors["slategray"] = Color((uint8_t)112, (uint8_t)128, (uint8_t)144);
|
|
x11Colors["snow"] = Color((uint8_t)255, (uint8_t)250, (uint8_t)250);
|
|
x11Colors["springgreen"] = Color((uint8_t)0, (uint8_t)255, (uint8_t)127);
|
|
x11Colors["steelblue"] = Color((uint8_t)70, (uint8_t)130, (uint8_t)180);
|
|
x11Colors["tan"] = Color((uint8_t)210, (uint8_t)180, (uint8_t)140);
|
|
x11Colors["teal"] = Color((uint8_t)0, (uint8_t)128, (uint8_t)128);
|
|
x11Colors["thistle"] = Color((uint8_t)216, (uint8_t)191, (uint8_t)216);
|
|
x11Colors["tomato"] = Color((uint8_t)255, (uint8_t)99, (uint8_t)71);
|
|
x11Colors["turquoise"] = Color((uint8_t)64, (uint8_t)224, (uint8_t)208);
|
|
x11Colors["violet"] = Color((uint8_t)238, (uint8_t)130, (uint8_t)238);
|
|
x11Colors["wheat"] = Color((uint8_t)245, (uint8_t)222, (uint8_t)179);
|
|
x11Colors["white"] = Color((uint8_t)255, (uint8_t)255, (uint8_t)255);
|
|
x11Colors["whitesmoke"] = Color((uint8_t)245, (uint8_t)245, (uint8_t)245);
|
|
x11Colors["yellow"] = Color((uint8_t)255, (uint8_t)255, (uint8_t)0);
|
|
x11Colors["yellowgreen"] = Color((uint8_t)154, (uint8_t)205, (uint8_t)50);
|
|
}
|