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authorrandomguy3 <randomguy3@7c02a99a-9b00-45e3-bf44-6f3dd7fddb64>2012-01-09 11:00:50 +0000
committerrandomguy3 <randomguy3@7c02a99a-9b00-45e3-bf44-6f3dd7fddb64>2012-01-09 11:00:50 +0000
commita8a8dfb90d6a51ae369c042c95162f45754c7c4b (patch)
tree0e7a5f82febebe7129ebfb015f05b114064c39fd /tikzit/src/common/ColorRGB.m
parente1cf0babff63e670e0d550b4072c22649a117fa7 (diff)
Move tikzit into "trunk" directory
git-svn-id: https://tikzit.svn.sourceforge.net/svnroot/tikzit/trunk@365 7c02a99a-9b00-45e3-bf44-6f3dd7fddb64
Diffstat (limited to 'tikzit/src/common/ColorRGB.m')
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diff --git a/tikzit/src/common/ColorRGB.m b/tikzit/src/common/ColorRGB.m
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+//
+// ColorRGB.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT 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 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "ColorRGB.h"
+#import "BasicMapTable.h"
+#import "util.h"
+
+typedef struct {
+ NSString *name;
+ unsigned short r, g, b;
+} ColorRGBEntry;
+
+static const ColorRGBEntry kColors[147] = {
+ { @"AliceBlue", 240, 248, 255 },
+ { @"AntiqueWhite", 250, 235, 215 },
+ { @"Aqua", 0, 255, 255 },
+ { @"Aquamarine", 127, 255, 212 },
+ { @"Azure", 240, 255, 255 },
+ { @"Beige", 245, 245, 220 },
+ { @"Bisque", 255, 228, 196 },
+ { @"Black", 0, 0, 0 },
+ { @"BlanchedAlmond", 255, 235, 205 },
+ { @"Blue", 0, 0, 255 },
+ { @"BlueViolet", 138, 43, 226 },
+ { @"Brown", 165, 42, 42 },
+ { @"BurlyWood", 222, 184, 135 },
+ { @"CadetBlue", 95, 158, 160 },
+ { @"Chartreuse", 127, 255, 0 },
+ { @"Chocolate", 210, 105, 30 },
+ { @"Coral", 255, 127, 80 },
+ { @"CornflowerBlue", 100, 149, 237 },
+ { @"Cornsilk", 255, 248, 220 },
+ { @"Crimson", 220, 20, 60 },
+ { @"Cyan", 0, 255, 255 },
+ { @"DarkBlue", 0, 0, 139 },
+ { @"DarkCyan", 0, 139, 139 },
+ { @"DarkGoldenrod", 184, 134, 11 },
+ { @"DarkGray", 169, 169, 169 },
+ { @"DarkGreen", 0, 100, 0 },
+ { @"DarkGrey", 169, 169, 169 },
+ { @"DarkKhaki", 189, 183, 107 },
+ { @"DarkMagenta", 139, 0, 139 },
+ { @"DarkOliveGreen", 85, 107, 47 },
+ { @"DarkOrange", 255, 140, 0 },
+ { @"DarkOrchid", 153, 50, 204 },
+ { @"DarkRed", 139, 0, 0 },
+ { @"DarkSalmon", 233, 150, 122 },
+ { @"DarkSeaGreen", 143, 188, 143 },
+ { @"DarkSlateBlue", 72, 61, 139 },
+ { @"DarkSlateGray", 47, 79, 79 },
+ { @"DarkSlateGrey", 47, 79, 79 },
+ { @"DarkTurquoise", 0, 206, 209 },
+ { @"DarkViolet", 148, 0, 211 },
+ { @"DeepPink", 255, 20, 147 },
+ { @"DeepSkyBlue", 0, 191, 255 },
+ { @"DimGray", 105, 105, 105 },
+ { @"DimGrey", 105, 105, 105 },
+ { @"DodgerBlue", 30, 144, 255 },
+ { @"FireBrick", 178, 34, 34 },
+ { @"FloralWhite", 255, 250, 240 },
+ { @"ForestGreen", 34, 139, 34 },
+ { @"Fuchsia", 255, 0, 255 },
+ { @"Gainsboro", 220, 220, 220 },
+ { @"GhostWhite", 248, 248, 255 },
+ { @"Gold", 255, 215, 0 },
+ { @"Goldenrod", 218, 165, 32 },
+ { @"Gray", 128, 128, 128 },
+ { @"Grey", 128, 128, 128 },
+ { @"Green", 0, 128, 0 },
+ { @"GreenYellow", 173, 255, 47 },
+ { @"Honeydew", 240, 255, 240 },
+ { @"HotPink", 255, 105, 180 },
+ { @"IndianRed", 205, 92, 92 },
+ { @"Indigo", 75, 0, 130 },
+ { @"Ivory", 255, 255, 240 },
+ { @"Khaki", 240, 230, 140 },
+ { @"Lavender", 230, 230, 250 },
+ { @"LavenderBlush", 255, 240, 245 },
+ { @"LawnGreen", 124, 252, 0 },
+ { @"LemonChiffon", 255, 250, 205 },
+ { @"LightBlue", 173, 216, 230 },
+ { @"LightCoral", 240, 128, 128 },
+ { @"LightCyan", 224, 255, 255 },
+ { @"LightGoldenrodYellow", 250, 250, 210 },
+ { @"LightGray", 211, 211, 211 },
+ { @"LightGreen", 144, 238, 144 },
+ { @"LightGrey", 211, 211, 211 },
+ { @"LightPink", 255, 182, 193 },
+ { @"LightSalmon", 255, 160, 122 },
+ { @"LightSeaGreen", 32, 178, 170 },
+ { @"LightSkyBlue", 135, 206, 250 },
+ { @"LightSlateGray", 119, 136, 153 },
+ { @"LightSlateGrey", 119, 136, 153 },
+ { @"LightSteelBlue", 176, 196, 222 },
+ { @"LightYellow", 255, 255, 224 },
+ { @"Lime", 0, 255, 0 },
+ { @"LimeGreen", 50, 205, 50 },
+ { @"Linen", 250, 240, 230 },
+ { @"Magenta", 255, 0, 255 },
+ { @"Maroon", 128, 0, 0 },
+ { @"MediumAquamarine", 102, 205, 170 },
+ { @"MediumBlue", 0, 0, 205 },
+ { @"MediumOrchid", 186, 85, 211 },
+ { @"MediumPurple", 147, 112, 219 },
+ { @"MediumSeaGreen", 60, 179, 113 },
+ { @"MediumSlateBlue", 123, 104, 238 },
+ { @"MediumSpringGreen", 0, 250, 154 },
+ { @"MediumTurquoise", 72, 209, 204 },
+ { @"MediumVioletRed", 199, 21, 133 },
+ { @"MidnightBlue", 25, 25, 112 },
+ { @"MintCream", 245, 255, 250 },
+ { @"MistyRose", 255, 228, 225 },
+ { @"Moccasin", 255, 228, 181 },
+ { @"NavajoWhite", 255, 222, 173 },
+ { @"Navy", 0, 0, 128 },
+ { @"OldLace", 253, 245, 230 },
+ { @"Olive", 128, 128, 0 },
+ { @"OliveDrab", 107, 142, 35 },
+ { @"Orange", 255, 165, 0 },
+ { @"OrangeRed", 255, 69, 0 },
+ { @"Orchid", 218, 112, 214 },
+ { @"PaleGoldenrod", 238, 232, 170 },
+ { @"PaleGreen", 152, 251, 152 },
+ { @"PaleTurquoise", 175, 238, 238 },
+ { @"PaleVioletRed", 219, 112, 147 },
+ { @"PapayaWhip", 255, 239, 213 },
+ { @"PeachPuff", 255, 218, 185 },
+ { @"Peru", 205, 133, 63 },
+ { @"Pink", 255, 192, 203 },
+ { @"Plum", 221, 160, 221 },
+ { @"PowderBlue", 176, 224, 230 },
+ { @"Purple", 128, 0, 128 },
+ { @"Red", 255, 0, 0 },
+ { @"RosyBrown", 188, 143, 143 },
+ { @"RoyalBlue", 65, 105, 225 },
+ { @"SaddleBrown", 139, 69, 19 },
+ { @"Salmon", 250, 128, 114 },
+ { @"SandyBrown", 244, 164, 96 },
+ { @"SeaGreen", 46, 139, 87 },
+ { @"Seashell", 255, 245, 238 },
+ { @"Sienna", 160, 82, 45 },
+ { @"Silver", 192, 192, 192 },
+ { @"SkyBlue", 135, 206, 235 },
+ { @"SlateBlue", 106, 90, 205 },
+ { @"SlateGray", 112, 128, 144 },
+ { @"SlateGrey", 112, 128, 144 },
+ { @"Snow", 255, 250, 250 },
+ { @"SpringGreen", 0, 255, 127 },
+ { @"SteelBlue", 70, 130, 180 },
+ { @"Tan", 210, 180, 140 },
+ { @"Teal", 0, 128, 128 },
+ { @"Thistle", 216, 191, 216 },
+ { @"Tomato", 255, 99, 71 },
+ { @"Turquoise", 64, 224, 208 },
+ { @"Violet", 238, 130, 238 },
+ { @"Wheat", 245, 222, 179 },
+ { @"White", 255, 255, 255 },
+ { @"WhiteSmoke", 245, 245, 245 },
+ { @"Yellow", 255, 255, 0 },
+ { @"YellowGreen", 154, 205, 50 }
+};
+
+static BasicMapTable *colorHash = nil;
+
+@implementation ColorRGB
+
+- (unsigned short)red { return red; }
+- (void)setRed:(unsigned short)r { red = r; }
+- (unsigned short)green { return green; }
+- (void)setGreen:(unsigned short)g { green = g; }
+- (unsigned short)blue { return blue; }
+- (void)setBlue:(unsigned short)b { blue = b; }
+
+- (float)redFloat { return ((float)red)/255.0f; }
+- (void)setRedFloat:(float)r { red = round(r*255.0f); }
+- (float)greenFloat { return ((float)green)/255.0f; }
+- (void)setGreenFloat:(float)g { green = round(g*255.0f); }
+- (float)blueFloat { return ((float)blue)/255.0f; }
+- (void)setBlueFloat:(float)b { blue = round(b*255.0f); }
+
+- (int)hash {
+ return (red<<4) + (green<<2) + blue;
+}
+
+- (id)initWithRed:(unsigned short)r green:(unsigned short)g blue:(unsigned short)b {
+ [super init];
+ red = r;
+ green = g;
+ blue = b;
+ return self;
+}
+
+- (id)initWithFloatRed:(float)r green:(float)g blue:(float)b {
+ [super init];
+ red = round(r*255.0f);
+ green = round(g*255.0f);
+ blue = round(b*255.0f);
+ return self;
+}
+
+- (id) initWithRColor:(RColor)color {
+ return [self initWithFloatRed:color.red green:color.green blue:color.blue];
+}
+
+- (RColor) rColor {
+ return MakeSolidRColor ([self redFloat], [self greenFloat], [self blueFloat]);
+}
+
+- (RColor) rColorWithAlpha:(CGFloat)alpha {
+ return MakeRColor ([self redFloat], [self greenFloat], [self blueFloat], alpha);
+}
+
+- (NSString*)name {
+ if (colorHash == nil) [ColorRGB makeColorHash];
+ return [colorHash objectForKey:self];
+}
+
+- (NSString*)hexName {
+ return [NSString stringWithFormat:@"hexcolor0x%.2x%.2x%.2x", red, green, blue];
+}
+
+- (NSComparisonResult)compare:(ColorRGB*)col {
+ if (red > [col red]) return NSOrderedDescending;
+ else if (red < [col red]) return NSOrderedAscending;
+ else {
+ if (green > [col green]) return NSOrderedDescending;
+ else if (green < [col green]) return NSOrderedAscending;
+ else {
+ if (blue > [col blue]) return NSOrderedDescending;
+ else if (blue < [col blue]) return NSOrderedAscending;
+ else return NSOrderedSame;
+ }
+ }
+}
+
+- (BOOL)isEqual:(id)col {
+ return [self compare:col] == NSOrderedSame;
+}
+
+- (float)distanceFromColor:(ColorRGB *)col {
+ float dr = (float)(red - [col red]);
+ float dg = (float)(green - [col green]);
+ float db = (float)(blue - [col blue]);
+ return dr*dr + dg*dg + db*db;
+}
+
+- (id)copy {
+ ColorRGB *col = [[ColorRGB alloc] initWithRed:red green:green blue:blue];
+ return col;
+}
+
++ (ColorRGB*)colorWithRed:(unsigned short)r green:(unsigned short)g blue:(unsigned short)b {
+ ColorRGB *col = [[ColorRGB alloc] initWithRed:r green:g blue:b];
+ return [col autorelease];
+}
+
+
++ (ColorRGB*)colorWithFloatRed:(float)r green:(float)g blue:(float)b {
+ ColorRGB *col = [[ColorRGB alloc] initWithFloatRed:r green:g blue:b];
+ return [col autorelease];
+}
+
++ (ColorRGB*) colorWithRColor:(RColor)color {
+ return [[[self alloc] initWithRColor:color] autorelease];
+}
+
++ (void)makeColorHash {
+ BasicMapTable *h = [[BasicMapTable alloc] init];
+ int i;
+ for (i = 0; i < 147; ++i) {
+ ColorRGB *col = [[ColorRGB alloc] initWithRed:kColors[i].r
+ green:kColors[i].g
+ blue:kColors[i].b];
+ [h setObject:kColors[i].name forKey:col];
+ //NSLog(@"adding color %@ (%d)", kColors[i].name, [col hash]);
+ [col release];
+ }
+ colorHash = h;
+}
+
++ (void)releaseColorHash {
+ [colorHash release];
+}
+
+- (void)setToClosestHashed {
+ if (colorHash == nil)
+ [ColorRGB makeColorHash];
+ float bestDist = -1;
+ ColorRGB *bestColor = nil;
+ NSEnumerator *enumerator = [colorHash keyEnumerator];
+ ColorRGB *tryColor;
+ while ((tryColor = [enumerator nextObject]) != nil) {
+ float dist = [self distanceFromColor:tryColor];
+ if (bestDist<0 || dist<bestDist) {
+ bestDist = dist;
+ bestColor = tryColor;
+ }
+ }
+ [self setRed:[bestColor red]];
+ [self setGreen:[bestColor green]];
+ [self setBlue:[bestColor blue]];
+}
+
+@end
+
+// vi:noet:ts=4:sts=4:sw=4