sparkline gradient colors improvements
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df18d0fb89
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@ -19,7 +19,7 @@ type SparkLine struct {
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maxValue float64
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minValue float64
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scale int
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color ui.Color
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gradient []ui.Color
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palette console.Palette
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}
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@ -30,7 +30,7 @@ func NewSparkLine(c config.SparkLineConfig, palette console.Palette) *SparkLine
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Consumer: data.NewConsumer(),
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values: []float64{},
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scale: *c.Scale,
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color: *c.Item.Color,
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gradient: *c.Gradient,
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palette: palette,
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}
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@ -112,7 +112,7 @@ func (s *SparkLine) Draw(buffer *ui.Buffer) {
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}
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for j := 1; j <= top; j++ {
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buffer.SetCell(ui.NewCell(console.SymbolVerticalBar, ui.NewStyle(s.palette.GetGradientColor(j-1, height))), image.Pt(s.Inner.Max.X-n-indent, s.Inner.Max.Y-j))
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buffer.SetCell(ui.NewCell(console.SymbolVerticalBar, ui.NewStyle(console.GetGradientColor(s.gradient, j-1, height))), image.Pt(s.Inner.Max.X-n-indent, s.Inner.Max.Y-j))
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if i == len(s.values)-1 && j == top {
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buffer.SetString(curValue, textStyle, image.Pt(s.Inner.Max.X-n-indent+2, s.Inner.Max.Y-j))
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buffer.SetString(minValue, textStyle, image.Pt(s.Inner.Max.X-n-indent+2, s.Max.Y-2))
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@ -57,6 +57,7 @@ type SparkLineConfig struct {
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ComponentConfig `yaml:",inline"`
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Scale *int `yaml:"scale,omitempty"`
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Item Item `yaml:",inline"`
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Gradient *[]ui.Color `yaml:",omitempty"`
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}
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type BarChartConfig struct {
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@ -173,11 +173,9 @@ func (c *Config) setDefaultColors() {
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}
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for i, s := range c.SparkLines {
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if s.Item.Color == nil {
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s.Item.Color = &palette.ContentColors[i%colorsCount]
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s.Gradient = &palette.GradientColors[i%(len(palette.GradientColors))]
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c.SparkLines[i] = s
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}
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}
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for i, g := range c.Gauges {
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if g.Color == nil {
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@ -37,7 +37,7 @@ const (
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type Palette struct {
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ContentColors []ui.Color
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GradientColors []ui.Color
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GradientColors [][]ui.Color
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BaseColor ui.Color
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MediumColor ui.Color
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ReverseColor ui.Color
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@ -48,7 +48,7 @@ func GetPalette(theme Theme) Palette {
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case ThemeDark:
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return Palette{
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ContentColors: []ui.Color{ColorOlive, ColorDeepSkyBlue, ColorDeepPink, ColorWhite, ColorGrey, ColorGreen, ColorOrange, ColorCian, ColorPurple},
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GradientColors: []ui.Color{39, 44, 47, 82, 148, 185, 209, 203, 198, 196, 125},
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GradientColors: [][]ui.Color{{39, 33, 62, 93, 164, 161}, {95, 138, 180, 179, 178, 178}},
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BaseColor: ColorWhite,
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MediumColor: ColorDarkGrey,
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ReverseColor: ColorBlack,
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@ -56,7 +56,7 @@ func GetPalette(theme Theme) Palette {
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case ThemeLight:
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return Palette{
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ContentColors: []ui.Color{ColorBlack, ColorDarkRed, ColorBlueViolet, ColorGrey, ColorGreen},
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GradientColors: []ui.Color{250, 248, 246, 244, 242, 240, 238, 236, 234, 232, 16},
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GradientColors: [][]ui.Color{{250, 248, 246, 244, 242, 240, 238, 236, 234, 232, 16}},
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BaseColor: ColorBlack,
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MediumColor: ColorLightGrey,
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ReverseColor: ColorWhite,
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@ -66,8 +66,7 @@ func GetPalette(theme Theme) Palette {
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}
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}
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// selects gradient color for cur item (out of max items)
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func (palette *Palette) GetGradientColor(cur int, max int) ui.Color {
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ratio := float64(len(palette.GradientColors)) / float64(max)
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return palette.GradientColors[int(ratio*float64(cur))]
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func GetGradientColor(gradient []ui.Color, cur int, max int) ui.Color {
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ratio := float64(len(gradient)) / float64(max)
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return gradient[int(ratio*float64(cur))]
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}
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