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sparkline gradient colors improvements

This commit is contained in:
sqshq 2019-04-01 00:35:55 -04:00
parent df18d0fb89
commit 061d77c76a
4 changed files with 14 additions and 16 deletions
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6
component/sparkline/sparkline.go
View File

@ -19,7 +19,7 @@ type SparkLine struct {
maxValue float64
minValue float64
scale int
color ui.Color
gradient []ui.Color
palette console.Palette
}
@ -30,7 +30,7 @@ func NewSparkLine(c config.SparkLineConfig, palette console.Palette) *SparkLine
Consumer: data.NewConsumer(),
values: []float64{},
scale: *c.Scale,
color: *c.Item.Color,
gradient: *c.Gradient,
palette: palette,
}
@ -112,7 +112,7 @@ func (s *SparkLine) Draw(buffer *ui.Buffer) {
}
for j := 1; j <= top; j++ {
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))
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))
if i == len(s.values)-1 && j == top {
buffer.SetString(curValue, textStyle, image.Pt(s.Inner.Max.X-n-indent+2, s.Inner.Max.Y-j))
buffer.SetString(minValue, textStyle, image.Pt(s.Inner.Max.X-n-indent+2, s.Max.Y-2))

5
config/component.go
View File

@ -55,8 +55,9 @@ type GaugeConfig struct {
type SparkLineConfig struct {
ComponentConfig `yaml:",inline"`
Scale *int `yaml:"scale,omitempty"`
Item Item `yaml:",inline"`
Scale *int `yaml:"scale,omitempty"`
Item Item `yaml:",inline"`
Gradient *[]ui.Color `yaml:",omitempty"`
}
type BarChartConfig struct {

6
config/default.go
View File

@ -173,10 +173,8 @@ func (c *Config) setDefaultColors() {
}
for i, s := range c.SparkLines {
if s.Item.Color == nil {
s.Item.Color = &palette.ContentColors[i%colorsCount]
c.SparkLines[i] = s
}
s.Gradient = &palette.GradientColors[i%(len(palette.GradientColors))]
c.SparkLines[i] = s
}
for i, g := range c.Gauges {

13
console/palette.go
View File

@ -37,7 +37,7 @@ const (
type Palette struct {
ContentColors []ui.Color
GradientColors []ui.Color
GradientColors [][]ui.Color
BaseColor ui.Color
MediumColor ui.Color
ReverseColor ui.Color
@ -48,7 +48,7 @@ func GetPalette(theme Theme) Palette {
case ThemeDark:
return Palette{
ContentColors: []ui.Color{ColorOlive, ColorDeepSkyBlue, ColorDeepPink, ColorWhite, ColorGrey, ColorGreen, ColorOrange, ColorCian, ColorPurple},
GradientColors: []ui.Color{39, 44, 47, 82, 148, 185, 209, 203, 198, 196, 125},
GradientColors: [][]ui.Color{{39, 33, 62, 93, 164, 161}, {95, 138, 180, 179, 178, 178}},
BaseColor: ColorWhite,
MediumColor: ColorDarkGrey,
ReverseColor: ColorBlack,
@ -56,7 +56,7 @@ func GetPalette(theme Theme) Palette {
case ThemeLight:
return Palette{
ContentColors: []ui.Color{ColorBlack, ColorDarkRed, ColorBlueViolet, ColorGrey, ColorGreen},
GradientColors: []ui.Color{250, 248, 246, 244, 242, 240, 238, 236, 234, 232, 16},
GradientColors: [][]ui.Color{{250, 248, 246, 244, 242, 240, 238, 236, 234, 232, 16}},
BaseColor: ColorBlack,
MediumColor: ColorLightGrey,
ReverseColor: ColorWhite,
@ -66,8 +66,7 @@ func GetPalette(theme Theme) Palette {
}
}
// selects gradient color for cur item (out of max items)
func (palette *Palette) GetGradientColor(cur int, max int) ui.Color {
ratio := float64(len(palette.GradientColors)) / float64(max)
return palette.GradientColors[int(ratio*float64(cur))]
func GetGradientColor(gradient []ui.Color, cur int, max int) ui.Color {
ratio := float64(len(gradient)) / float64(max)
return gradient[int(ratio*float64(cur))]
}