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Plot.go
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Plot.go
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package giu
import (
"image"
"github.com/AllenDang/imgui-go"
)
type PlotWidget interface {
Plot()
}
type ImPlotYAxis int
const (
ImPlotYAxisLeft ImPlotYAxis = 0 // left (default)
ImPlotYAxisFirstOnRight ImPlotYAxis = 1 // first on right side
ImPlotYAxisSecondOnRight ImPlotYAxis = 2 // second on right side
)
type PlotTicker struct {
Position float64
Label string
}
type PlotCanvasWidget struct {
title string
xLabel string
yLabel string
width int
height int
flags PlotFlags
xFlags, yFlags, y2Flags, y3Flags PlotAxisFlags
y2Label string
y3Label string
xMin, xMax, yMin, yMax float64
axisLimitCondition ExecCondition
xTicksValue, yTicksValue []float64
xTicksLabel, yTicksLabel []string
xTicksShowDefault bool
yTicksShowDefault bool
yTicksYAxis ImPlotYAxis
plots []PlotWidget
}
func Plot(title string) *PlotCanvasWidget {
return &PlotCanvasWidget{
title: title,
xLabel: "",
yLabel: "",
width: -1,
height: 0,
flags: PlotFlagsNone,
xFlags: PlotAxisFlagsNone,
yFlags: PlotAxisFlagsNone,
y2Flags: PlotAxisFlagsNoGridLines,
y3Flags: PlotAxisFlagsNoGridLines,
y2Label: "",
y3Label: "",
xMin: 0,
xMax: 10,
yMin: 0,
yMax: 10,
xTicksShowDefault: true,
yTicksShowDefault: true,
yTicksYAxis: 0,
axisLimitCondition: ConditionOnce,
}
}
func (p *PlotCanvasWidget) AxisLimits(xmin, xmax, ymin, ymax float64, cond ExecCondition) *PlotCanvasWidget {
p.xMin = xmin
p.xMax = xmax
p.yMin = ymin
p.yMax = ymax
p.axisLimitCondition = cond
return p
}
func (p *PlotCanvasWidget) XTicks(ticks []PlotTicker, showDefault bool) *PlotCanvasWidget {
length := len(ticks)
if length == 0 {
return p
}
values := make([]float64, length)
labels := make([]string, length)
for i, t := range ticks {
values[i] = t.Position
labels[i] = t.Label
}
p.xTicksValue = values
p.xTicksLabel = labels
p.xTicksShowDefault = showDefault
return p
}
func (p *PlotCanvasWidget) YTicks(ticks []PlotTicker, showDefault bool, yAxis ImPlotYAxis) *PlotCanvasWidget {
length := len(ticks)
if length == 0 {
return p
}
values := make([]float64, length)
labels := make([]string, length)
for i, t := range ticks {
values[i] = t.Position
labels[i] = t.Label
}
p.yTicksValue = values
p.yTicksLabel = labels
p.yTicksShowDefault = showDefault
p.yTicksYAxis = yAxis
return p
}
func (p *PlotCanvasWidget) Flags(flags PlotFlags) *PlotCanvasWidget {
p.flags = flags
return p
}
func (p *PlotCanvasWidget) XAxeFlags(flags PlotAxisFlags) *PlotCanvasWidget {
p.xFlags = flags
return p
}
func (p *PlotCanvasWidget) YAxeFlags(yFlags, y2Flags, y3Flags PlotAxisFlags) *PlotCanvasWidget {
p.yFlags = yFlags
p.y2Flags = y2Flags
p.y3Flags = y3Flags
return p
}
func (p *PlotCanvasWidget) Plots(plots ...PlotWidget) *PlotCanvasWidget {
p.plots = plots
return p
}
func (p *PlotCanvasWidget) Size(width, height int) *PlotCanvasWidget {
p.width = width
p.height = height
return p
}
func (p *PlotCanvasWidget) Build() {
if len(p.plots) > 0 {
imgui.ImPlotSetNextPlotLimits(p.xMin, p.xMax, p.yMin, p.yMax, imgui.Condition(p.axisLimitCondition))
if len(p.xTicksValue) > 0 {
imgui.ImPlotSetNextPlotTicksX(p.xTicksValue, p.xTicksLabel, p.xTicksShowDefault)
}
if len(p.yTicksValue) > 0 {
imgui.ImPlotSetNextPlotTicksY(p.yTicksValue, p.yTicksLabel, p.yTicksShowDefault, int(p.yTicksYAxis))
}
if imgui.ImPlotBegin(tStr(p.title), tStr(p.xLabel), tStr(p.yLabel), ToVec2(image.Pt(p.width, p.height)), imgui.ImPlotFlags(p.flags), imgui.ImPlotAxisFlags(p.xFlags), imgui.ImPlotAxisFlags(p.yFlags), imgui.ImPlotAxisFlags(p.y2Flags), imgui.ImPlotAxisFlags(p.y3Flags), tStr(p.y2Label), tStr(p.y3Label)) {
for _, plot := range p.plots {
plot.Plot()
}
imgui.ImPlotEnd()
}
}
}
type PlotBarWidget struct {
title string
data []float64
width float64
shift float64
offset int
}
func PlotBar(title string, data []float64) *PlotBarWidget {
return &PlotBarWidget{
title: title,
data: data,
width: 0.2,
shift: 0,
offset: 0,
}
}
func (p *PlotBarWidget) Width(width float64) *PlotBarWidget {
p.width = width
return p
}
func (p *PlotBarWidget) Shift(shift float64) *PlotBarWidget {
p.shift = shift
return p
}
func (p *PlotBarWidget) Offset(offset int) *PlotBarWidget {
p.offset = offset
return p
}
func (p *PlotBarWidget) Plot() {
imgui.ImPlotBars(p.title, p.data, p.width, p.shift, p.offset)
}
type PlotBarHWidget struct {
title string
data []float64
height float64
shift float64
offset int
}
func PlotBarH(title string, data []float64) *PlotBarHWidget {
return &PlotBarHWidget{
title: title,
data: data,
height: 0.2,
shift: 0,
offset: 0,
}
}
func (p *PlotBarHWidget) Height(height float64) *PlotBarHWidget {
p.height = height
return p
}
func (p *PlotBarHWidget) Shift(shift float64) *PlotBarHWidget {
p.shift = shift
return p
}
func (p *PlotBarHWidget) Offset(offset int) *PlotBarHWidget {
p.offset = offset
return p
}
func (p *PlotBarHWidget) Plot() {
imgui.ImPlotBarsH(tStr(p.title), p.data, p.height, p.shift, p.offset)
}
type PlotLineWidget struct {
title string
values []float64
xScale, x0 float64
offset int
yAxis ImPlotYAxis
}
func PlotLine(title string, values []float64) *PlotLineWidget {
return &PlotLineWidget{
title: title,
values: values,
xScale: 1,
x0: 0,
offset: 0,
}
}
func (p *PlotLineWidget) SetPlotYAxis(yAxis ImPlotYAxis) *PlotLineWidget {
p.yAxis = yAxis
return p
}
func (p *PlotLineWidget) XScale(scale float64) *PlotLineWidget {
p.xScale = scale
return p
}
func (p *PlotLineWidget) X0(x0 float64) *PlotLineWidget {
p.x0 = x0
return p
}
func (p *PlotLineWidget) Offset(offset int) *PlotLineWidget {
p.offset = offset
return p
}
func (p *PlotLineWidget) Plot() {
imgui.ImPlotSetPlotYAxis(imgui.ImPlotYAxis(p.yAxis))
imgui.ImPlotLine(tStr(p.title), p.values, p.xScale, p.x0, p.offset)
}
type PlotLineXYWidget struct {
title string
xs, ys []float64
offset int
}
func PlotLineXY(title string, xvalues, yvalues []float64) *PlotLineXYWidget {
return &PlotLineXYWidget{
title: title,
xs: xvalues,
ys: yvalues,
offset: 0,
}
}
func (p *PlotLineXYWidget) Offset(offset int) *PlotLineXYWidget {
p.offset = offset
return p
}
func (p *PlotLineXYWidget) Plot() {
imgui.ImPlotLineXY(tStr(p.title), p.xs, p.ys, p.offset)
}
type PlotPieChartWidget struct {
labels []string
values []float64
x, y, radius float64
normalize bool
labelFormat string
angle0 float64
}
func PlotPieChart(labels []string, values []float64, x, y, radius float64) *PlotPieChartWidget {
return &PlotPieChartWidget{
labels: labels,
values: values,
x: x,
y: y,
radius: radius,
normalize: false,
labelFormat: "%.1f",
angle0: 90,
}
}
func (p *PlotPieChartWidget) Normalize(n bool) *PlotPieChartWidget {
p.normalize = n
return p
}
func (p *PlotPieChartWidget) LabelFormat(fmtStr string) *PlotPieChartWidget {
p.labelFormat = fmtStr
return p
}
func (p *PlotPieChartWidget) Angle0(a float64) *PlotPieChartWidget {
p.angle0 = a
return p
}
func (p *PlotPieChartWidget) Plot() {
imgui.ImPlotPieChart(tStrSlice(p.labels), p.values, p.x, p.y, p.radius, p.normalize, p.labelFormat, p.angle0)
}
type PlotScatterWidget struct {
label string
values []float64
xscale, x0 float64
offset int
}
func PlotScatter(label string, values []float64) *PlotScatterWidget {
return &PlotScatterWidget{
label: label,
values: values,
xscale: 1,
x0: 0,
offset: 0,
}
}
func (p *PlotScatterWidget) XScale(s float64) *PlotScatterWidget {
p.xscale = s
return p
}
func (p *PlotScatterWidget) X0(x float64) *PlotScatterWidget {
p.x0 = x
return p
}
func (p *PlotScatterWidget) Offset(offset int) *PlotScatterWidget {
p.offset = offset
return p
}
func (p *PlotScatterWidget) Plot() {
imgui.ImPlotScatter(tStr(p.label), p.values, p.xscale, p.x0, p.offset)
}
type PlotScatterXYWidget struct {
label string
xs, ys []float64
offset int
}
func PlotScatterXY(label string, xs, ys []float64) *PlotScatterXYWidget {
return &PlotScatterXYWidget{
label: label,
xs: xs,
ys: ys,
offset: 0,
}
}
func (p *PlotScatterXYWidget) Offset(offset int) *PlotScatterXYWidget {
p.offset = offset
return p
}
func (p *PlotScatterXYWidget) Plot() {
imgui.ImPlotScatterXY(tStr(p.label), p.xs, p.ys, p.offset)
}