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271 lines
7.9 KiB
C
271 lines
7.9 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* *
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*
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*
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* xp_rgb.c --- parsing color names to RGB triplets.
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*
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* Created: John Giannandrea <jg@netscape.com>, 28-Sep-95
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*/
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#ifdef GROSS_DEBUG
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#include <stdio.h>
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#include <string.h>
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typedef unsigned char uint8;
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typedef int int32;
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typedef int intn;
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#define XP_STRCASECMP strcasecmp
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#else
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#include "xp_rgb.h"
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#endif
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static struct {
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uint8 r;
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uint8 g;
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uint8 b;
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char *name;
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} xp_rgb_table[] = {
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{240, 248, 255, "aliceblue" },
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{250, 235, 215, "antiquewhite" },
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{ 0, 255, 255, "aqua" },
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{127, 255, 212, "aquamarine" },
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{240, 255, 255, "azure" },
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{245, 245, 220, "beige" },
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{255, 228, 196, "bisque" },
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{ 0, 0, 0, "black" },
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{255, 235, 205, "blanchedalmond" },
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{ 0, 0, 255, "blue" },
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{138, 43, 226, "blueviolet" },
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{165, 42, 42, "brown" },
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{222, 184, 135, "burlywood" },
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{ 95, 158, 160, "cadetblue" },
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{127, 255, 0, "chartreuse" },
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{210, 105, 30, "chocolate" },
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{255, 127, 80, "coral" },
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{100, 149, 237, "cornflowerblue" },
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{255, 248, 220, "cornsilk" },
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{220, 20, 60, "crimson" },
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{ 0, 255, 255, "cyan" },
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{ 0, 0, 139, "darkblue" },
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{ 0, 139, 139, "darkcyan" },
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{184, 134, 11, "darkgoldenrod" },
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{169, 169, 169, "darkgray" },
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{ 0, 100, 0, "darkgreen" },
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{189, 183, 107, "darkkhaki" },
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{139, 0, 139, "darkmagenta" },
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{ 85, 107, 47, "darkolivegreen" },
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{255, 140, 0, "darkorange" },
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{153, 50, 204, "darkorchid" },
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{139, 0, 0, "darkred" },
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{233, 150, 122, "darksalmon" },
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{143, 188, 143, "darkseagreen" },
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{ 72, 61, 139, "darkslateblue" },
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{ 47, 79, 79, "darkslategray" },
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{ 0, 206, 209, "darkturquoise" },
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{148, 0, 211, "darkviolet" },
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{255, 20, 147, "deeppink" },
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{ 0, 191, 255, "deepskyblue" },
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{105, 105, 105, "dimgray" },
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{ 30, 144, 255, "dodgerblue" },
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{178, 34, 34, "firebrick" },
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{255, 250, 240, "floralwhite" },
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{ 34, 139, 34, "forestgreen" },
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{255, 0, 255, "fuchsia" },
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{220, 220, 220, "gainsboro" },
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{248, 248, 255, "ghostwhite" },
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{255, 215, 0, "gold" },
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{218, 165, 32, "goldenrod" },
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{128, 128, 128, "gray" },
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{ 0, 128, 0, "green" },
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{173, 255, 47, "greenyellow" },
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{240, 255, 240, "honeydew" },
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{255, 105, 180, "hotpink" },
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{205, 92, 92, "indianred" },
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{ 75, 0, 130, "indigo" },
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{255, 255, 240, "ivory" },
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{240, 230, 140, "khaki" },
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{230, 230, 250, "lavender" },
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{255, 240, 245, "lavenderblush" },
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{124, 252, 0, "lawngreen" },
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{255, 250, 205, "lemonchiffon" },
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{173, 216, 230, "lightblue" },
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{240, 128, 128, "lightcoral" },
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{224, 255, 255, "lightcyan" },
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{250, 250, 210, "lightgoldenrodyellow" },
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{144, 238, 144, "lightgreen" },
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{211, 211, 211, "lightgrey" },
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{255, 182, 193, "lightpink" },
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{255, 160, 122, "lightsalmon" },
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{ 32, 178, 170, "lightseagreen" },
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{135, 206, 250, "lightskyblue" },
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{119, 136, 153, "lightslategray" },
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{176, 196, 222, "lightsteelblue" },
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{255, 255, 224, "lightyellow" },
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{ 0, 255, 0, "lime" },
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{ 50, 205, 50, "limegreen" },
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{250, 240, 230, "linen" },
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{255, 0, 255, "magenta" },
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{128, 0, 0, "maroon" },
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{102, 205, 170, "mediumaquamarine" },
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{ 0, 0, 205, "mediumblue" },
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{186, 85, 211, "mediumorchid" },
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{147, 112, 219, "mediumpurple" },
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{ 60, 179, 113, "mediumseagreen" },
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{123, 104, 238, "mediumslateblue" },
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{ 0, 250, 154, "mediumspringgreen" },
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{ 72, 209, 204, "mediumturquoise" },
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{199, 21, 133, "mediumvioletred" },
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{ 25, 25, 112, "midnightblue" },
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{245, 255, 250, "mintcream" },
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{255, 228, 225, "mistyrose" },
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{255, 228, 181, "moccasin" },
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{255, 222, 173, "navajowhite" },
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{ 0, 0, 128, "navy" },
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{253, 245, 230, "oldlace" },
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{128, 128, 0, "olive" },
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{107, 142, 35, "olivedrab" },
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{255, 165, 0, "orange" },
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{255, 69, 0, "orangered" },
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{218, 112, 214, "orchid" },
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{238, 232, 170, "palegoldenrod" },
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{152, 251, 152, "palegreen" },
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{175, 238, 238, "paleturquoise" },
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{219, 112, 147, "palevioletred" },
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{255, 239, 213, "papayawhip" },
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{255, 218, 185, "peachpuff" },
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{205, 133, 63, "peru" },
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{255, 192, 203, "pink" },
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{221, 160, 221, "plum" },
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{176, 224, 230, "powderblue" },
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{128, 0, 128, "purple" },
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{255, 0, 0, "red" },
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{188, 143, 143, "rosybrown" },
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{ 65, 105, 225, "royalblue" },
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{139, 69, 19, "saddlebrown" },
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{250, 128, 114, "salmon" },
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{244, 164, 96, "sandybrown" },
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{ 46, 139, 87, "seagreen" },
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{255, 245, 238, "seashell" },
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{160, 82, 45, "sienna" },
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{192, 192, 192, "silver" },
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{135, 206, 235, "skyblue" },
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{106, 90, 205, "slateblue" },
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{112, 128, 144, "slategray" },
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{255, 250, 250, "snow" },
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{ 0, 255, 127, "springgreen" },
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{ 70, 130, 180, "steelblue" },
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{210, 180, 140, "tan" },
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{ 0, 128, 128, "teal" },
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{216, 191, 216, "thistle" },
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{255, 99, 71, "tomato" },
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{ 64, 224, 208, "turquoise" },
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{238, 130, 238, "violet" },
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{245, 222, 179, "wheat" },
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{255, 255, 255, "white" },
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{245, 245, 245, "whitesmoke" },
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{255, 255, 0, "yellow" },
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{154, 205, 50, "yellowgreen" },
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};
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#define TABLESIZE ((sizeof xp_rgb_table) / (sizeof xp_rgb_table[0]))
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intn XP_ColorNameToRGB(char *name, uint8 *r, uint8 *g, uint8 *b)
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{
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int comp, low, mid, high;
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if (name == NULL)
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{
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return 1;
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}
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low = 0;
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high = TABLESIZE - 1;
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/*
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** Binary search, starting at zero, which is slightly less
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** efficient, but makes the exit condition simple.
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*/
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mid = 0;
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for (;;)
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{
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if(!(comp = XP_STRCASECMP(name, xp_rgb_table[mid].name)))
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{
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#ifdef GROSS_DEBUG
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if (mid < 0 || mid >= TABLESIZE) {
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printf("Found %s out of range\n", name);
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return 1;
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}
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#endif
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*r = xp_rgb_table[mid].r;
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*g = xp_rgb_table[mid].g;
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*b = xp_rgb_table[mid].b;
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return 0;
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}
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if ((high - low) <= 1)
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return 1;
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if(comp>0)
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low = mid;
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else
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high = mid;
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mid = low + (high-low+1)/2;
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}
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/* NOTREACHED */
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return 1;
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}
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#ifdef GROSS_DEBUG
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/*
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** This is stupid, but this is the second release where the non-function of
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** a simple binary search has turned out to be a bug, and I am tired of it.
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** Compile and run this file with -DGROSS_DEBUG, if it generates no output then
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** the routine is probably ok.
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**
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** The truly paranoid should re-run this test any time they change the
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** xp_rgb_table array.
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**/
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main()
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{
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uint8 r, g, b;
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int i;
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for (i = 0; i < TABLESIZE; i++) {
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char color[200];
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if (XP_ColorNameToRGB(xp_rgb_table[i].name, &r, &g, &b) != 0)
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printf("Couldn't find %s @ %d of %d\n", xp_rgb_table[i].name, i, TABLESIZE);
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/*
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** test to see if we loop infintely between the cracks
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*/
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strcpy(color, xp_rgb_table[i].name);
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strcat(color, "Z");
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if (XP_ColorNameToRGB(color, &r, &g, &b) == 0)
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printf("Souldn't't find %s @ %d of %d\n", color, i, TABLESIZE);
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strcpy(color, xp_rgb_table[i].name);
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color[strlen(color)-1]--;
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if (XP_ColorNameToRGB(color, &r, &g, &b) == 0)
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printf("Souldn't't find %s @ %d of %d\n", color, i, TABLESIZE);
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}
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/*
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** test the beginning on the end
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*/
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if (XP_ColorNameToRGB("\001", &r, &g, &b) == 0)
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printf("Mistakenly found early string\n");
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if (XP_ColorNameToRGB("\177", &r, &g, &b) == 0)
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printf("Mistakenly found late string\n");
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}
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#endif
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