mirror of https://github.com/mum4k/termdash.git
61 lines
2.0 KiB
Go
61 lines
2.0 KiB
Go
// Copyright 2018 Google Inc.
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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 this 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 terminalapi
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// color_mode.go defines the terminal color modes.
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// ColorMode represents
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type ColorMode int
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// String implements fmt.Stringer()
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func (cm ColorMode) String() string {
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if n, ok := colorModeNames[cm]; ok {
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return n
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}
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return "ColorModeUnknown"
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}
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// colorModeNames maps ColorMode values to human readable names.
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var colorModeNames = map[ColorMode]string{
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ColorModeNormal: "ColorModeNormal",
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ColorMode256: "ColorMode256",
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ColorMode216: "ColorMode216",
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ColorModeGrayscale: "ColorModeGrayscale",
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}
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// Supported color modes.
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const (
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// ColorModeNormal supports 8 "system" colors.
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// These are defined as constants in the cell package.
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ColorModeNormal ColorMode = iota
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// ColorMode256 enables using any of the 256 terminal colors.
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// 0-7: the 8 "system" colors accessible in ColorModeNormal.
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// 8-15: the 8 "bright system" colors.
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// 16-231: the 216 different terminal colors.
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// 232-255: the 24 different shades of grey.
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ColorMode256
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// ColorMode216 supports only the third range of the ColorMode256, i.e the
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// 216 different terminal colors. However in this mode the colors are zero
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// based, so the caller doesn't need to provide an offset.
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ColorMode216
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// ColorModeGrayscale supports only the fourth range of the ColorMode256,
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// i.e the 24 different shades of grey. However in this mode the colors are
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// zero based, so the caller doesn't need to provide an offset.
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ColorModeGrayscale
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)
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