go-charts/theme.go
2021-12-15 23:41:27 +08:00

109 lines
2.5 KiB
Go

// MIT License
// Copyright (c) 2021 Tree Xie
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package charts
import (
"github.com/wcharczuk/go-chart/v2"
"github.com/wcharczuk/go-chart/v2/drawing"
)
var hiddenColor = drawing.Color{R: 110, G: 112, B: 121, A: 0}
var AxisColorLight = drawing.Color{
R: 110,
G: 112,
B: 121,
A: 255,
}
var SeriesColorsLight = []drawing.Color{
{
R: 84,
G: 112,
B: 198,
A: 255,
},
{
R: 145,
G: 204,
B: 117,
A: 255,
},
{
R: 250,
G: 200,
B: 88,
A: 255,
},
{
R: 238,
G: 102,
B: 102,
A: 255,
},
{
R: 115,
G: 192,
B: 222,
A: 255,
},
}
type ThemeColorPalette struct {
Theme string
}
func (tp ThemeColorPalette) BackgroundColor() drawing.Color {
return chart.DefaultBackgroundColor
}
func (tp ThemeColorPalette) BackgroundStrokeColor() drawing.Color {
return chart.DefaultBackgroundStrokeColor
}
func (tp ThemeColorPalette) CanvasColor() drawing.Color {
return chart.DefaultCanvasColor
}
func (tp ThemeColorPalette) CanvasStrokeColor() drawing.Color {
return chart.DefaultCanvasStrokeColor
}
func (tp ThemeColorPalette) AxisStrokeColor() drawing.Color {
return chart.DefaultAxisColor
}
func (tp ThemeColorPalette) TextColor() drawing.Color {
return chart.DefaultTextColor
}
func (tp ThemeColorPalette) GetSeriesColor(index int) drawing.Color {
return getSeriesColor(tp.Theme, index)
}
func getSeriesColor(theme string, index int) drawing.Color {
// TODO
if theme == ThemeDark {
}
return SeriesColorsLight[index%len(SeriesColorsLight)]
}