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3687c97d3d
This addresses problems in the color handling found on Sun and illumos consoles. The infocmp for these terminals is buggy as well.
1082 lines
30 KiB
Go
1082 lines
30 KiB
Go
// Copyright 2020 The TCell Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use file except in compliance with the License.
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// You may obtain a copy of the license at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tcell
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import (
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ic "image/color"
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"strconv"
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)
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// Color represents a color. The low numeric values are the same as used
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// by ECMA-48, and beyond that XTerm. A 24-bit RGB value may be used by
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// adding in the ColorIsRGB flag. For Color names we use the W3C approved
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// color names.
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//
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// We use a 64-bit integer to allow future expansion if we want to add an
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// 8-bit alpha, while still leaving us some room for extra options.
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//
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// Note that on various terminals colors may be approximated however, or
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// not supported at all. If no suitable representation for a color is known,
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// the library will simply not set any color, deferring to whatever default
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// attributes the terminal uses.
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type Color uint64
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const (
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// ColorDefault is used to leave the Color unchanged from whatever
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// system or terminal default may exist. It's also the zero value.
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ColorDefault Color = 0
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// ColorValid is used to indicate the color value is actually
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// valid (initialized). This is useful to permit the zero value
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// to be treated as the default.
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ColorValid Color = 1 << 32
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// ColorIsRGB is used to indicate that the numeric value is not
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// a known color constant, but rather an RGB value. The lower
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// order 3 bytes are RGB.
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ColorIsRGB Color = 1 << 33
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// ColorSpecial is a flag used to indicate that the values have
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// special meaning, and live outside of the color space(s).
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ColorSpecial Color = 1 << 34
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)
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// Note that the order of these options is important -- it follows the
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// definitions used by ECMA and XTerm. Hence any further named colors
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// must begin at a value not less than 256.
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const (
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ColorBlack = ColorValid + iota
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ColorMaroon
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ColorGreen
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ColorOlive
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ColorNavy
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ColorPurple
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ColorTeal
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ColorSilver
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ColorGray
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ColorRed
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ColorLime
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ColorYellow
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ColorBlue
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ColorFuchsia
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ColorAqua
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ColorWhite
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Color16
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Color17
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Color18
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Color19
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Color20
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Color21
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Color22
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Color23
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Color24
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Color25
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Color26
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Color27
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Color28
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Color29
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Color30
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Color31
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Color32
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Color33
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Color34
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Color35
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Color36
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Color37
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Color38
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Color39
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Color40
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Color41
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Color42
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Color43
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Color44
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Color45
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Color46
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Color47
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Color48
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Color49
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Color50
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Color51
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Color52
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Color53
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Color54
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Color55
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Color56
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Color57
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Color58
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Color59
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Color60
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Color61
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Color62
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Color63
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Color64
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Color65
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Color66
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Color67
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Color68
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Color69
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Color70
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Color71
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Color72
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Color73
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Color74
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Color75
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Color76
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Color77
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Color78
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Color79
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Color80
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Color81
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Color82
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Color83
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Color84
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Color85
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Color86
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Color87
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Color88
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Color89
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Color90
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Color91
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Color92
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Color93
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Color94
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Color95
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Color96
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Color97
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Color98
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Color99
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Color100
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Color101
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Color102
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Color103
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Color104
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Color105
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Color106
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Color107
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Color108
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Color109
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Color110
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Color111
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Color112
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Color113
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Color114
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Color115
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Color116
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Color117
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Color118
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Color119
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Color120
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Color121
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Color122
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Color123
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Color124
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Color125
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Color126
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Color127
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Color128
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Color129
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Color130
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Color131
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Color132
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Color133
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Color134
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Color135
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Color136
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Color137
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Color138
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Color139
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Color140
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Color141
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Color142
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Color143
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Color144
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Color145
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Color146
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Color147
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Color148
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Color149
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Color150
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Color151
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Color152
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Color153
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Color154
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Color155
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Color156
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Color157
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Color158
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Color159
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Color160
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Color161
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Color162
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Color163
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Color164
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Color165
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Color166
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Color167
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Color168
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Color169
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Color170
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Color171
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Color172
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Color173
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Color174
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Color175
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Color176
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Color177
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Color178
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Color179
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Color180
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Color181
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Color182
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Color183
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Color184
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Color185
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Color186
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Color187
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Color188
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Color189
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Color190
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Color191
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Color192
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Color193
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Color194
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Color195
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Color196
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Color197
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Color198
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Color199
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Color200
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Color201
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Color202
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Color203
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Color204
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Color205
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Color206
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Color207
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Color208
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Color209
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Color210
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Color211
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Color212
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Color213
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Color214
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Color215
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Color216
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Color217
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Color218
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Color219
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Color220
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Color221
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Color222
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Color223
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Color224
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Color225
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Color226
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Color227
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Color228
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Color229
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Color230
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Color231
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Color232
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Color233
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Color234
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Color235
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Color236
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Color237
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Color238
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Color239
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Color240
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Color241
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Color242
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Color243
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Color244
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Color245
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Color246
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Color247
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Color248
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Color249
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Color250
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Color251
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Color252
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Color253
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Color254
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Color255
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ColorAliceBlue
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ColorAntiqueWhite
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ColorAquaMarine
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ColorAzure
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ColorBeige
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ColorBisque
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ColorBlanchedAlmond
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ColorBlueViolet
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ColorBrown
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ColorBurlyWood
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ColorCadetBlue
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ColorChartreuse
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ColorChocolate
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ColorCoral
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ColorCornflowerBlue
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ColorCornsilk
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ColorCrimson
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ColorDarkBlue
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ColorDarkCyan
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ColorDarkGoldenrod
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ColorDarkGray
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ColorDarkGreen
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ColorDarkKhaki
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ColorDarkMagenta
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ColorDarkOliveGreen
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ColorDarkOrange
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ColorDarkOrchid
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ColorDarkRed
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ColorDarkSalmon
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ColorDarkSeaGreen
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ColorDarkSlateBlue
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ColorDarkSlateGray
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ColorDarkTurquoise
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ColorDarkViolet
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ColorDeepPink
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ColorDeepSkyBlue
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ColorDimGray
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ColorDodgerBlue
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ColorFireBrick
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ColorFloralWhite
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ColorForestGreen
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ColorGainsboro
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ColorGhostWhite
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ColorGold
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ColorGoldenrod
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ColorGreenYellow
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ColorHoneydew
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ColorHotPink
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ColorIndianRed
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ColorIndigo
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ColorIvory
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ColorKhaki
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ColorLavender
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ColorLavenderBlush
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ColorLawnGreen
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ColorLemonChiffon
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ColorLightBlue
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ColorLightCoral
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ColorLightCyan
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ColorLightGoldenrodYellow
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ColorLightGray
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ColorLightGreen
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ColorLightPink
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ColorLightSalmon
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ColorLightSeaGreen
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ColorLightSkyBlue
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ColorLightSlateGray
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ColorLightSteelBlue
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ColorLightYellow
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ColorLimeGreen
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ColorLinen
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ColorMediumAquamarine
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ColorMediumBlue
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ColorMediumOrchid
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ColorMediumPurple
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ColorMediumSeaGreen
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ColorMediumSlateBlue
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ColorMediumSpringGreen
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ColorMediumTurquoise
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ColorMediumVioletRed
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ColorMidnightBlue
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ColorMintCream
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ColorMistyRose
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ColorMoccasin
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ColorNavajoWhite
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ColorOldLace
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ColorOliveDrab
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ColorOrange
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ColorOrangeRed
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ColorOrchid
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ColorPaleGoldenrod
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ColorPaleGreen
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ColorPaleTurquoise
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ColorPaleVioletRed
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ColorPapayaWhip
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ColorPeachPuff
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ColorPeru
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ColorPink
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ColorPlum
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ColorPowderBlue
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ColorRebeccaPurple
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ColorRosyBrown
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ColorRoyalBlue
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ColorSaddleBrown
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ColorSalmon
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ColorSandyBrown
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ColorSeaGreen
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ColorSeashell
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ColorSienna
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ColorSkyblue
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ColorSlateBlue
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ColorSlateGray
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ColorSnow
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ColorSpringGreen
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ColorSteelBlue
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ColorTan
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ColorThistle
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ColorTomato
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ColorTurquoise
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ColorViolet
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ColorWheat
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ColorWhiteSmoke
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ColorYellowGreen
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)
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// These are aliases for the color gray, because some of us spell
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// it as grey.
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const (
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ColorGrey = ColorGray
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ColorDimGrey = ColorDimGray
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ColorDarkGrey = ColorDarkGray
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ColorDarkSlateGrey = ColorDarkSlateGray
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ColorLightGrey = ColorLightGray
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ColorLightSlateGrey = ColorLightSlateGray
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ColorSlateGrey = ColorSlateGray
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)
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// ColorValues maps color constants to their RGB values.
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var ColorValues = map[Color]int32{
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ColorBlack: 0x000000,
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ColorMaroon: 0x800000,
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ColorGreen: 0x008000,
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ColorOlive: 0x808000,
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ColorNavy: 0x000080,
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ColorPurple: 0x800080,
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ColorTeal: 0x008080,
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ColorSilver: 0xC0C0C0,
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ColorGray: 0x808080,
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ColorRed: 0xFF0000,
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ColorLime: 0x00FF00,
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ColorYellow: 0xFFFF00,
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ColorBlue: 0x0000FF,
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ColorFuchsia: 0xFF00FF,
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ColorAqua: 0x00FFFF,
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ColorWhite: 0xFFFFFF,
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Color16: 0x000000, // black
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Color17: 0x00005F,
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Color18: 0x000087,
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Color19: 0x0000AF,
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Color20: 0x0000D7,
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Color21: 0x0000FF, // blue
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Color22: 0x005F00,
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Color23: 0x005F5F,
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Color24: 0x005F87,
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Color25: 0x005FAF,
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Color26: 0x005FD7,
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Color27: 0x005FFF,
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Color28: 0x008700,
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Color29: 0x00875F,
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Color30: 0x008787,
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Color31: 0x0087Af,
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Color32: 0x0087D7,
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Color33: 0x0087FF,
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Color34: 0x00AF00,
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Color35: 0x00AF5F,
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Color36: 0x00AF87,
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Color37: 0x00AFAF,
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Color38: 0x00AFD7,
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Color39: 0x00AFFF,
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Color40: 0x00D700,
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Color41: 0x00D75F,
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Color42: 0x00D787,
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Color43: 0x00D7AF,
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Color44: 0x00D7D7,
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Color45: 0x00D7FF,
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Color46: 0x00FF00, // lime
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Color47: 0x00FF5F,
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Color48: 0x00FF87,
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Color49: 0x00FFAF,
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Color50: 0x00FFd7,
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Color51: 0x00FFFF, // aqua
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Color52: 0x5F0000,
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Color53: 0x5F005F,
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Color54: 0x5F0087,
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Color55: 0x5F00AF,
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Color56: 0x5F00D7,
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Color57: 0x5F00FF,
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Color58: 0x5F5F00,
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Color59: 0x5F5F5F,
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Color60: 0x5F5F87,
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Color61: 0x5F5FAF,
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Color62: 0x5F5FD7,
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Color63: 0x5F5FFF,
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Color64: 0x5F8700,
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Color65: 0x5F875F,
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Color66: 0x5F8787,
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Color67: 0x5F87AF,
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Color68: 0x5F87D7,
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Color69: 0x5F87FF,
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Color70: 0x5FAF00,
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Color71: 0x5FAF5F,
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Color72: 0x5FAF87,
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Color73: 0x5FAFAF,
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Color74: 0x5FAFD7,
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Color75: 0x5FAFFF,
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Color76: 0x5FD700,
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Color77: 0x5FD75F,
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Color78: 0x5FD787,
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Color79: 0x5FD7AF,
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Color80: 0x5FD7D7,
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Color81: 0x5FD7FF,
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Color82: 0x5FFF00,
|
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Color83: 0x5FFF5F,
|
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Color84: 0x5FFF87,
|
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Color85: 0x5FFFAF,
|
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Color86: 0x5FFFD7,
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Color87: 0x5FFFFF,
|
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Color88: 0x870000,
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Color89: 0x87005F,
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Color90: 0x870087,
|
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Color91: 0x8700AF,
|
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Color92: 0x8700D7,
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Color93: 0x8700FF,
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Color94: 0x875F00,
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Color95: 0x875F5F,
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Color96: 0x875F87,
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Color97: 0x875FAF,
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Color98: 0x875FD7,
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Color99: 0x875FFF,
|
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Color100: 0x878700,
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Color101: 0x87875F,
|
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Color102: 0x878787,
|
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Color103: 0x8787AF,
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Color104: 0x8787D7,
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Color105: 0x8787FF,
|
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Color106: 0x87AF00,
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Color107: 0x87AF5F,
|
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Color108: 0x87AF87,
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Color109: 0x87AFAF,
|
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Color110: 0x87AFD7,
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Color111: 0x87AFFF,
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Color112: 0x87D700,
|
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Color113: 0x87D75F,
|
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Color114: 0x87D787,
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Color115: 0x87D7AF,
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Color116: 0x87D7D7,
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Color117: 0x87D7FF,
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Color118: 0x87FF00,
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Color119: 0x87FF5F,
|
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Color120: 0x87FF87,
|
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Color121: 0x87FFAF,
|
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Color122: 0x87FFD7,
|
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Color123: 0x87FFFF,
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Color124: 0xAF0000,
|
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Color125: 0xAF005F,
|
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Color126: 0xAF0087,
|
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Color127: 0xAF00AF,
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Color128: 0xAF00D7,
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Color129: 0xAF00FF,
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Color130: 0xAF5F00,
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Color131: 0xAF5F5F,
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Color132: 0xAF5F87,
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Color133: 0xAF5FAF,
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Color134: 0xAF5FD7,
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Color135: 0xAF5FFF,
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Color136: 0xAF8700,
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Color137: 0xAF875F,
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Color138: 0xAF8787,
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Color139: 0xAF87AF,
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Color140: 0xAF87D7,
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Color141: 0xAF87FF,
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Color142: 0xAFAF00,
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Color143: 0xAFAF5F,
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Color144: 0xAFAF87,
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Color145: 0xAFAFAF,
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Color146: 0xAFAFD7,
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Color147: 0xAFAFFF,
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Color148: 0xAFD700,
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Color149: 0xAFD75F,
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Color150: 0xAFD787,
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Color151: 0xAFD7AF,
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Color152: 0xAFD7D7,
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Color153: 0xAFD7FF,
|
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Color154: 0xAFFF00,
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Color155: 0xAFFF5F,
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Color156: 0xAFFF87,
|
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Color157: 0xAFFFAF,
|
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Color158: 0xAFFFD7,
|
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Color159: 0xAFFFFF,
|
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Color160: 0xD70000,
|
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Color161: 0xD7005F,
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Color162: 0xD70087,
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Color163: 0xD700AF,
|
|
Color164: 0xD700D7,
|
|
Color165: 0xD700FF,
|
|
Color166: 0xD75F00,
|
|
Color167: 0xD75F5F,
|
|
Color168: 0xD75F87,
|
|
Color169: 0xD75FAF,
|
|
Color170: 0xD75FD7,
|
|
Color171: 0xD75FFF,
|
|
Color172: 0xD78700,
|
|
Color173: 0xD7875F,
|
|
Color174: 0xD78787,
|
|
Color175: 0xD787AF,
|
|
Color176: 0xD787D7,
|
|
Color177: 0xD787FF,
|
|
Color178: 0xD7AF00,
|
|
Color179: 0xD7AF5F,
|
|
Color180: 0xD7AF87,
|
|
Color181: 0xD7AFAF,
|
|
Color182: 0xD7AFD7,
|
|
Color183: 0xD7AFFF,
|
|
Color184: 0xD7D700,
|
|
Color185: 0xD7D75F,
|
|
Color186: 0xD7D787,
|
|
Color187: 0xD7D7AF,
|
|
Color188: 0xD7D7D7,
|
|
Color189: 0xD7D7FF,
|
|
Color190: 0xD7FF00,
|
|
Color191: 0xD7FF5F,
|
|
Color192: 0xD7FF87,
|
|
Color193: 0xD7FFAF,
|
|
Color194: 0xD7FFD7,
|
|
Color195: 0xD7FFFF,
|
|
Color196: 0xFF0000, // red
|
|
Color197: 0xFF005F,
|
|
Color198: 0xFF0087,
|
|
Color199: 0xFF00AF,
|
|
Color200: 0xFF00D7,
|
|
Color201: 0xFF00FF, // fuchsia
|
|
Color202: 0xFF5F00,
|
|
Color203: 0xFF5F5F,
|
|
Color204: 0xFF5F87,
|
|
Color205: 0xFF5FAF,
|
|
Color206: 0xFF5FD7,
|
|
Color207: 0xFF5FFF,
|
|
Color208: 0xFF8700,
|
|
Color209: 0xFF875F,
|
|
Color210: 0xFF8787,
|
|
Color211: 0xFF87AF,
|
|
Color212: 0xFF87D7,
|
|
Color213: 0xFF87FF,
|
|
Color214: 0xFFAF00,
|
|
Color215: 0xFFAF5F,
|
|
Color216: 0xFFAF87,
|
|
Color217: 0xFFAFAF,
|
|
Color218: 0xFFAFD7,
|
|
Color219: 0xFFAFFF,
|
|
Color220: 0xFFD700,
|
|
Color221: 0xFFD75F,
|
|
Color222: 0xFFD787,
|
|
Color223: 0xFFD7AF,
|
|
Color224: 0xFFD7D7,
|
|
Color225: 0xFFD7FF,
|
|
Color226: 0xFFFF00, // yellow
|
|
Color227: 0xFFFF5F,
|
|
Color228: 0xFFFF87,
|
|
Color229: 0xFFFFAF,
|
|
Color230: 0xFFFFD7,
|
|
Color231: 0xFFFFFF, // white
|
|
Color232: 0x080808,
|
|
Color233: 0x121212,
|
|
Color234: 0x1C1C1C,
|
|
Color235: 0x262626,
|
|
Color236: 0x303030,
|
|
Color237: 0x3A3A3A,
|
|
Color238: 0x444444,
|
|
Color239: 0x4E4E4E,
|
|
Color240: 0x585858,
|
|
Color241: 0x626262,
|
|
Color242: 0x6C6C6C,
|
|
Color243: 0x767676,
|
|
Color244: 0x808080, // grey
|
|
Color245: 0x8A8A8A,
|
|
Color246: 0x949494,
|
|
Color247: 0x9E9E9E,
|
|
Color248: 0xA8A8A8,
|
|
Color249: 0xB2B2B2,
|
|
Color250: 0xBCBCBC,
|
|
Color251: 0xC6C6C6,
|
|
Color252: 0xD0D0D0,
|
|
Color253: 0xDADADA,
|
|
Color254: 0xE4E4E4,
|
|
Color255: 0xEEEEEE,
|
|
ColorAliceBlue: 0xF0F8FF,
|
|
ColorAntiqueWhite: 0xFAEBD7,
|
|
ColorAquaMarine: 0x7FFFD4,
|
|
ColorAzure: 0xF0FFFF,
|
|
ColorBeige: 0xF5F5DC,
|
|
ColorBisque: 0xFFE4C4,
|
|
ColorBlanchedAlmond: 0xFFEBCD,
|
|
ColorBlueViolet: 0x8A2BE2,
|
|
ColorBrown: 0xA52A2A,
|
|
ColorBurlyWood: 0xDEB887,
|
|
ColorCadetBlue: 0x5F9EA0,
|
|
ColorChartreuse: 0x7FFF00,
|
|
ColorChocolate: 0xD2691E,
|
|
ColorCoral: 0xFF7F50,
|
|
ColorCornflowerBlue: 0x6495ED,
|
|
ColorCornsilk: 0xFFF8DC,
|
|
ColorCrimson: 0xDC143C,
|
|
ColorDarkBlue: 0x00008B,
|
|
ColorDarkCyan: 0x008B8B,
|
|
ColorDarkGoldenrod: 0xB8860B,
|
|
ColorDarkGray: 0xA9A9A9,
|
|
ColorDarkGreen: 0x006400,
|
|
ColorDarkKhaki: 0xBDB76B,
|
|
ColorDarkMagenta: 0x8B008B,
|
|
ColorDarkOliveGreen: 0x556B2F,
|
|
ColorDarkOrange: 0xFF8C00,
|
|
ColorDarkOrchid: 0x9932CC,
|
|
ColorDarkRed: 0x8B0000,
|
|
ColorDarkSalmon: 0xE9967A,
|
|
ColorDarkSeaGreen: 0x8FBC8F,
|
|
ColorDarkSlateBlue: 0x483D8B,
|
|
ColorDarkSlateGray: 0x2F4F4F,
|
|
ColorDarkTurquoise: 0x00CED1,
|
|
ColorDarkViolet: 0x9400D3,
|
|
ColorDeepPink: 0xFF1493,
|
|
ColorDeepSkyBlue: 0x00BFFF,
|
|
ColorDimGray: 0x696969,
|
|
ColorDodgerBlue: 0x1E90FF,
|
|
ColorFireBrick: 0xB22222,
|
|
ColorFloralWhite: 0xFFFAF0,
|
|
ColorForestGreen: 0x228B22,
|
|
ColorGainsboro: 0xDCDCDC,
|
|
ColorGhostWhite: 0xF8F8FF,
|
|
ColorGold: 0xFFD700,
|
|
ColorGoldenrod: 0xDAA520,
|
|
ColorGreenYellow: 0xADFF2F,
|
|
ColorHoneydew: 0xF0FFF0,
|
|
ColorHotPink: 0xFF69B4,
|
|
ColorIndianRed: 0xCD5C5C,
|
|
ColorIndigo: 0x4B0082,
|
|
ColorIvory: 0xFFFFF0,
|
|
ColorKhaki: 0xF0E68C,
|
|
ColorLavender: 0xE6E6FA,
|
|
ColorLavenderBlush: 0xFFF0F5,
|
|
ColorLawnGreen: 0x7CFC00,
|
|
ColorLemonChiffon: 0xFFFACD,
|
|
ColorLightBlue: 0xADD8E6,
|
|
ColorLightCoral: 0xF08080,
|
|
ColorLightCyan: 0xE0FFFF,
|
|
ColorLightGoldenrodYellow: 0xFAFAD2,
|
|
ColorLightGray: 0xD3D3D3,
|
|
ColorLightGreen: 0x90EE90,
|
|
ColorLightPink: 0xFFB6C1,
|
|
ColorLightSalmon: 0xFFA07A,
|
|
ColorLightSeaGreen: 0x20B2AA,
|
|
ColorLightSkyBlue: 0x87CEFA,
|
|
ColorLightSlateGray: 0x778899,
|
|
ColorLightSteelBlue: 0xB0C4DE,
|
|
ColorLightYellow: 0xFFFFE0,
|
|
ColorLimeGreen: 0x32CD32,
|
|
ColorLinen: 0xFAF0E6,
|
|
ColorMediumAquamarine: 0x66CDAA,
|
|
ColorMediumBlue: 0x0000CD,
|
|
ColorMediumOrchid: 0xBA55D3,
|
|
ColorMediumPurple: 0x9370DB,
|
|
ColorMediumSeaGreen: 0x3CB371,
|
|
ColorMediumSlateBlue: 0x7B68EE,
|
|
ColorMediumSpringGreen: 0x00FA9A,
|
|
ColorMediumTurquoise: 0x48D1CC,
|
|
ColorMediumVioletRed: 0xC71585,
|
|
ColorMidnightBlue: 0x191970,
|
|
ColorMintCream: 0xF5FFFA,
|
|
ColorMistyRose: 0xFFE4E1,
|
|
ColorMoccasin: 0xFFE4B5,
|
|
ColorNavajoWhite: 0xFFDEAD,
|
|
ColorOldLace: 0xFDF5E6,
|
|
ColorOliveDrab: 0x6B8E23,
|
|
ColorOrange: 0xFFA500,
|
|
ColorOrangeRed: 0xFF4500,
|
|
ColorOrchid: 0xDA70D6,
|
|
ColorPaleGoldenrod: 0xEEE8AA,
|
|
ColorPaleGreen: 0x98FB98,
|
|
ColorPaleTurquoise: 0xAFEEEE,
|
|
ColorPaleVioletRed: 0xDB7093,
|
|
ColorPapayaWhip: 0xFFEFD5,
|
|
ColorPeachPuff: 0xFFDAB9,
|
|
ColorPeru: 0xCD853F,
|
|
ColorPink: 0xFFC0CB,
|
|
ColorPlum: 0xDDA0DD,
|
|
ColorPowderBlue: 0xB0E0E6,
|
|
ColorRebeccaPurple: 0x663399,
|
|
ColorRosyBrown: 0xBC8F8F,
|
|
ColorRoyalBlue: 0x4169E1,
|
|
ColorSaddleBrown: 0x8B4513,
|
|
ColorSalmon: 0xFA8072,
|
|
ColorSandyBrown: 0xF4A460,
|
|
ColorSeaGreen: 0x2E8B57,
|
|
ColorSeashell: 0xFFF5EE,
|
|
ColorSienna: 0xA0522D,
|
|
ColorSkyblue: 0x87CEEB,
|
|
ColorSlateBlue: 0x6A5ACD,
|
|
ColorSlateGray: 0x708090,
|
|
ColorSnow: 0xFFFAFA,
|
|
ColorSpringGreen: 0x00FF7F,
|
|
ColorSteelBlue: 0x4682B4,
|
|
ColorTan: 0xD2B48C,
|
|
ColorThistle: 0xD8BFD8,
|
|
ColorTomato: 0xFF6347,
|
|
ColorTurquoise: 0x40E0D0,
|
|
ColorViolet: 0xEE82EE,
|
|
ColorWheat: 0xF5DEB3,
|
|
ColorWhiteSmoke: 0xF5F5F5,
|
|
ColorYellowGreen: 0x9ACD32,
|
|
}
|
|
|
|
// Special colors.
|
|
const (
|
|
// ColorReset is used to indicate that the color should use the
|
|
// vanilla terminal colors. (Basically go back to the defaults.)
|
|
ColorReset = ColorSpecial | iota
|
|
)
|
|
|
|
// ColorNames holds the written names of colors. Useful to present a list of
|
|
// recognized named colors.
|
|
var ColorNames = map[string]Color{
|
|
"black": ColorBlack,
|
|
"maroon": ColorMaroon,
|
|
"green": ColorGreen,
|
|
"olive": ColorOlive,
|
|
"navy": ColorNavy,
|
|
"purple": ColorPurple,
|
|
"teal": ColorTeal,
|
|
"silver": ColorSilver,
|
|
"gray": ColorGray,
|
|
"red": ColorRed,
|
|
"lime": ColorLime,
|
|
"yellow": ColorYellow,
|
|
"blue": ColorBlue,
|
|
"fuchsia": ColorFuchsia,
|
|
"aqua": ColorAqua,
|
|
"white": ColorWhite,
|
|
"aliceblue": ColorAliceBlue,
|
|
"antiquewhite": ColorAntiqueWhite,
|
|
"aquamarine": ColorAquaMarine,
|
|
"azure": ColorAzure,
|
|
"beige": ColorBeige,
|
|
"bisque": ColorBisque,
|
|
"blanchedalmond": ColorBlanchedAlmond,
|
|
"blueviolet": ColorBlueViolet,
|
|
"brown": ColorBrown,
|
|
"burlywood": ColorBurlyWood,
|
|
"cadetblue": ColorCadetBlue,
|
|
"chartreuse": ColorChartreuse,
|
|
"chocolate": ColorChocolate,
|
|
"coral": ColorCoral,
|
|
"cornflowerblue": ColorCornflowerBlue,
|
|
"cornsilk": ColorCornsilk,
|
|
"crimson": ColorCrimson,
|
|
"darkblue": ColorDarkBlue,
|
|
"darkcyan": ColorDarkCyan,
|
|
"darkgoldenrod": ColorDarkGoldenrod,
|
|
"darkgray": ColorDarkGray,
|
|
"darkgreen": ColorDarkGreen,
|
|
"darkkhaki": ColorDarkKhaki,
|
|
"darkmagenta": ColorDarkMagenta,
|
|
"darkolivegreen": ColorDarkOliveGreen,
|
|
"darkorange": ColorDarkOrange,
|
|
"darkorchid": ColorDarkOrchid,
|
|
"darkred": ColorDarkRed,
|
|
"darksalmon": ColorDarkSalmon,
|
|
"darkseagreen": ColorDarkSeaGreen,
|
|
"darkslateblue": ColorDarkSlateBlue,
|
|
"darkslategray": ColorDarkSlateGray,
|
|
"darkturquoise": ColorDarkTurquoise,
|
|
"darkviolet": ColorDarkViolet,
|
|
"deeppink": ColorDeepPink,
|
|
"deepskyblue": ColorDeepSkyBlue,
|
|
"dimgray": ColorDimGray,
|
|
"dodgerblue": ColorDodgerBlue,
|
|
"firebrick": ColorFireBrick,
|
|
"floralwhite": ColorFloralWhite,
|
|
"forestgreen": ColorForestGreen,
|
|
"gainsboro": ColorGainsboro,
|
|
"ghostwhite": ColorGhostWhite,
|
|
"gold": ColorGold,
|
|
"goldenrod": ColorGoldenrod,
|
|
"greenyellow": ColorGreenYellow,
|
|
"honeydew": ColorHoneydew,
|
|
"hotpink": ColorHotPink,
|
|
"indianred": ColorIndianRed,
|
|
"indigo": ColorIndigo,
|
|
"ivory": ColorIvory,
|
|
"khaki": ColorKhaki,
|
|
"lavender": ColorLavender,
|
|
"lavenderblush": ColorLavenderBlush,
|
|
"lawngreen": ColorLawnGreen,
|
|
"lemonchiffon": ColorLemonChiffon,
|
|
"lightblue": ColorLightBlue,
|
|
"lightcoral": ColorLightCoral,
|
|
"lightcyan": ColorLightCyan,
|
|
"lightgoldenrodyellow": ColorLightGoldenrodYellow,
|
|
"lightgray": ColorLightGray,
|
|
"lightgreen": ColorLightGreen,
|
|
"lightpink": ColorLightPink,
|
|
"lightsalmon": ColorLightSalmon,
|
|
"lightseagreen": ColorLightSeaGreen,
|
|
"lightskyblue": ColorLightSkyBlue,
|
|
"lightslategray": ColorLightSlateGray,
|
|
"lightsteelblue": ColorLightSteelBlue,
|
|
"lightyellow": ColorLightYellow,
|
|
"limegreen": ColorLimeGreen,
|
|
"linen": ColorLinen,
|
|
"mediumaquamarine": ColorMediumAquamarine,
|
|
"mediumblue": ColorMediumBlue,
|
|
"mediumorchid": ColorMediumOrchid,
|
|
"mediumpurple": ColorMediumPurple,
|
|
"mediumseagreen": ColorMediumSeaGreen,
|
|
"mediumslateblue": ColorMediumSlateBlue,
|
|
"mediumspringgreen": ColorMediumSpringGreen,
|
|
"mediumturquoise": ColorMediumTurquoise,
|
|
"mediumvioletred": ColorMediumVioletRed,
|
|
"midnightblue": ColorMidnightBlue,
|
|
"mintcream": ColorMintCream,
|
|
"mistyrose": ColorMistyRose,
|
|
"moccasin": ColorMoccasin,
|
|
"navajowhite": ColorNavajoWhite,
|
|
"oldlace": ColorOldLace,
|
|
"olivedrab": ColorOliveDrab,
|
|
"orange": ColorOrange,
|
|
"orangered": ColorOrangeRed,
|
|
"orchid": ColorOrchid,
|
|
"palegoldenrod": ColorPaleGoldenrod,
|
|
"palegreen": ColorPaleGreen,
|
|
"paleturquoise": ColorPaleTurquoise,
|
|
"palevioletred": ColorPaleVioletRed,
|
|
"papayawhip": ColorPapayaWhip,
|
|
"peachpuff": ColorPeachPuff,
|
|
"peru": ColorPeru,
|
|
"pink": ColorPink,
|
|
"plum": ColorPlum,
|
|
"powderblue": ColorPowderBlue,
|
|
"rebeccapurple": ColorRebeccaPurple,
|
|
"rosybrown": ColorRosyBrown,
|
|
"royalblue": ColorRoyalBlue,
|
|
"saddlebrown": ColorSaddleBrown,
|
|
"salmon": ColorSalmon,
|
|
"sandybrown": ColorSandyBrown,
|
|
"seagreen": ColorSeaGreen,
|
|
"seashell": ColorSeashell,
|
|
"sienna": ColorSienna,
|
|
"skyblue": ColorSkyblue,
|
|
"slateblue": ColorSlateBlue,
|
|
"slategray": ColorSlateGray,
|
|
"snow": ColorSnow,
|
|
"springgreen": ColorSpringGreen,
|
|
"steelblue": ColorSteelBlue,
|
|
"tan": ColorTan,
|
|
"thistle": ColorThistle,
|
|
"tomato": ColorTomato,
|
|
"turquoise": ColorTurquoise,
|
|
"violet": ColorViolet,
|
|
"wheat": ColorWheat,
|
|
"whitesmoke": ColorWhiteSmoke,
|
|
"yellowgreen": ColorYellowGreen,
|
|
"grey": ColorGray,
|
|
"dimgrey": ColorDimGray,
|
|
"darkgrey": ColorDarkGray,
|
|
"darkslategrey": ColorDarkSlateGray,
|
|
"lightgrey": ColorLightGray,
|
|
"lightslategrey": ColorLightSlateGray,
|
|
"slategrey": ColorSlateGray,
|
|
}
|
|
|
|
// Valid indicates the color is a valid value (has been set).
|
|
func (c Color) Valid() bool {
|
|
return c&ColorValid != 0
|
|
}
|
|
|
|
// IsRGB is true if the color is an RGB specific value.
|
|
func (c Color) IsRGB() bool {
|
|
return c&(ColorValid|ColorIsRGB) == (ColorValid | ColorIsRGB)
|
|
}
|
|
|
|
// Hex returns the color's hexadecimal RGB 24-bit value with each component
|
|
// consisting of a single byte, ala R << 16 | G << 8 | B. If the color
|
|
// is unknown or unset, -1 is returned.
|
|
func (c Color) Hex() int32 {
|
|
if !c.Valid() {
|
|
return -1
|
|
}
|
|
if c&ColorIsRGB != 0 {
|
|
return int32(c) & 0xffffff
|
|
}
|
|
if v, ok := ColorValues[c]; ok {
|
|
return v
|
|
}
|
|
return -1
|
|
}
|
|
|
|
// RGB returns the red, green, and blue components of the color, with
|
|
// each component represented as a value 0-255. In the event that the
|
|
// color cannot be broken up (not set usually), -1 is returned for each value.
|
|
func (c Color) RGB() (int32, int32, int32) {
|
|
v := c.Hex()
|
|
if v < 0 {
|
|
return -1, -1, -1
|
|
}
|
|
return (v >> 16) & 0xff, (v >> 8) & 0xff, v & 0xff
|
|
}
|
|
|
|
// TrueColor returns the true color (RGB) version of the provided color.
|
|
// This is useful for ensuring color accuracy when using named colors.
|
|
// This will override terminal theme colors.
|
|
func (c Color) TrueColor() Color {
|
|
if !c.Valid() {
|
|
return ColorDefault
|
|
}
|
|
if c&ColorIsRGB != 0 {
|
|
return c
|
|
}
|
|
return Color(c.Hex()) | ColorIsRGB | ColorValid
|
|
}
|
|
|
|
// NewRGBColor returns a new color with the given red, green, and blue values.
|
|
// Each value must be represented in the range 0-255.
|
|
func NewRGBColor(r, g, b int32) Color {
|
|
return NewHexColor(((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff))
|
|
}
|
|
|
|
// NewHexColor returns a color using the given 24-bit RGB value.
|
|
func NewHexColor(v int32) Color {
|
|
return ColorIsRGB | Color(v) | ColorValid
|
|
}
|
|
|
|
// GetColor creates a Color from a color name (W3C name). A hex value may
|
|
// be supplied as a string in the format "#ffffff".
|
|
func GetColor(name string) Color {
|
|
if c, ok := ColorNames[name]; ok {
|
|
return c
|
|
}
|
|
if len(name) == 7 && name[0] == '#' {
|
|
if v, e := strconv.ParseInt(name[1:], 16, 32); e == nil {
|
|
return NewHexColor(int32(v))
|
|
}
|
|
}
|
|
return ColorDefault
|
|
}
|
|
|
|
// PaletteColor creates a color based on the palette index.
|
|
func PaletteColor(index int) Color {
|
|
return Color(index) | ColorValid
|
|
}
|
|
|
|
// FromImageColor converts an image/color.Color into tcell.Color.
|
|
// The alpha value is dropped, so it should be tracked separately if it is
|
|
// needed.
|
|
func FromImageColor(imageColor ic.Color) Color {
|
|
r, g, b, _ := imageColor.RGBA()
|
|
// NOTE image/color.Color RGB values range is [0, 0xFFFF] as uint32
|
|
return NewRGBColor(int32(r>>8), int32(g>>8), int32(b>>8))
|
|
}
|