13727326526

Committed 07 Mar 2025 06:52PM CUT coverage: 28.089% (-19.3%) from 47.374%

Build # 13727326526

Build Type

push

github

Committed by

web-flow

Commit Message

Add first plot drawers (#8)

Run Details

7 of 677 new or added lines in 11 files covered. (1.03%)

457 of 1627 relevant lines covered (28.09%)

55.34 hits per line

Source File
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12.0

/plot/util.go

package plot

import (
        "fmt"
        "image/color"

        "github.com/mlange-42/ark-tools/observer"
        "golang.org/x/image/colornames"
        "gonum.org/v1/plot"
        "gonum.org/v1/plot/vg/vgimg"
)

var defaultColors = []color.Color{
        colornames.Blue,
        colornames.Orange,
        colornames.Green,
        colornames.Purple,
        colornames.Red,
        colornames.Turquoise,
}

// Labels for plots.
type Labels struct {
        Title string // Plot title
        X     string // X axis label
        Y     string // Y axis label
}

// Get the index of an element in a slice.
func find[T comparable](sl []T, value T) (int, bool) {
        for i, v := range sl {
                if v == value {
                        return i, true
                }
        }
        return -1, false
}

// Calculate scale correction for scaled monitors.
func calcScaleCorrection() float64 {
        return 72.0 / vgimg.DefaultDPI
}

func setLabels(p *plot.Plot, l Labels) {
        p.Title.Text = l.Title
        p.Title.TextStyle.Font.Size = 16
        p.Title.TextStyle.Font.Variant = "Mono"

        p.X.Label.Text = l.X
        p.X.Label.TextStyle.Font.Size = 14
        p.X.Label.TextStyle.Font.Variant = "Mono"

        p.X.Tick.Label.Font.Size = 12
        p.X.Tick.Label.Font.Variant = "Mono"

        p.Y.Label.Text = l.Y
        p.Y.Label.TextStyle.Font.Size = 14
        p.Y.Label.TextStyle.Font.Variant = "Mono"

        p.Y.Tick.Label.Font.Size = 12
        p.Y.Tick.Label.Font.Variant = "Mono"

        p.Y.Tick.Marker = paddedTicks{}
}

// Left-pads tick labels to avoid jumping Y axis.
type paddedTicks struct {
        plot.DefaultTicks
}

func (t paddedTicks) Ticks(min, max float64) []plot.Tick {
        ticks := t.DefaultTicks.Ticks(min, max)
        for i := 0; i < len(ticks); i++ {
                ticks[i].Label = fmt.Sprintf("%*s", 10, ticks[i].Label)
        }
        return ticks
}

// Removes the last tick label to avoid jumping X axis.
type removeLastTicks struct {
        plot.DefaultTicks
}

func (t removeLastTicks) Ticks(min, max float64) []plot.Tick {
        ticks := t.DefaultTicks.Ticks(min, max)
        for i := 0; i < len(ticks); i++ {
                tick := &ticks[i]
                if tick.IsMinor() {
                        continue
                }
                if tick.Value > max-(0.05*(max-min)) {
                        tick.Label = ""
                }
        }
        return ticks
}

type plotGrid struct {
        observer.Grid
        Values []float64
}

func (g *plotGrid) Z(c, r int) float64 {
        w, _ := g.Dims()
        return g.Values[r*w+c]
}

1	package plot
2
3	import (
4	"fmt"
5	"image/color"
6
7	"github.com/mlange-42/ark-tools/observer"
8	"golang.org/x/image/colornames"
9	"gonum.org/v1/plot"
10	"gonum.org/v1/plot/vg/vgimg"
11	)
12
13	var defaultColors = []color.Color{
14	colornames.Blue,
15	colornames.Orange,
16	colornames.Green,
17	colornames.Purple,
18	colornames.Red,
19	colornames.Turquoise,
20	}
21
22	// Labels for plots.
23	type Labels struct {
24	Title string // Plot title
25	X string // X axis label
26	Y string // Y axis label
27	}
28
29	// Get the index of an element in a slice.
30	func find[T comparable](sl []T, value T) (int, bool) {	2✔
31	for i, v := range sl {	7✔
32	if v == value {	6✔
33	return i, true	1✔
34	}	1✔
35	}
36	return -1, false	1✔
37	}
38
39	// Calculate scale correction for scaled monitors.
NEW 40	func calcScaleCorrection() float64 {	×
NEW 41	return 72.0 / vgimg.DefaultDPI	×
NEW 42	}	×
43
NEW 44	func setLabels(p *plot.Plot, l Labels) {	×
NEW 45	p.Title.Text = l.Title	×
NEW 46	p.Title.TextStyle.Font.Size = 16	×
NEW 47	p.Title.TextStyle.Font.Variant = "Mono"	×
NEW 48		×
NEW 49	p.X.Label.Text = l.X	×
NEW 50	p.X.Label.TextStyle.Font.Size = 14	×
NEW 51	p.X.Label.TextStyle.Font.Variant = "Mono"	×
NEW 52		×
NEW 53	p.X.Tick.Label.Font.Size = 12	×
NEW 54	p.X.Tick.Label.Font.Variant = "Mono"	×
NEW 55		×
NEW 56	p.Y.Label.Text = l.Y	×
NEW 57	p.Y.Label.TextStyle.Font.Size = 14	×
NEW 58	p.Y.Label.TextStyle.Font.Variant = "Mono"	×
NEW 59		×
NEW 60	p.Y.Tick.Label.Font.Size = 12	×
NEW 61	p.Y.Tick.Label.Font.Variant = "Mono"	×
NEW 62		×
NEW 63	p.Y.Tick.Marker = paddedTicks{}	×
NEW 64	}	×
65
66	// Left-pads tick labels to avoid jumping Y axis.
67	type paddedTicks struct {
68	plot.DefaultTicks
69	}
70
NEW 71	func (t paddedTicks) Ticks(min, max float64) []plot.Tick {	×
NEW 72	ticks := t.DefaultTicks.Ticks(min, max)	×
NEW 73	for i := 0; i < len(ticks); i++ {	×
NEW 74	ticks[i].Label = fmt.Sprintf("%*s", 10, ticks[i].Label)	×
NEW 75	}	×
NEW 76	return ticks	×
77	}
78
79	// Removes the last tick label to avoid jumping X axis.
80	type removeLastTicks struct {
81	plot.DefaultTicks
82	}
83
NEW 84	func (t removeLastTicks) Ticks(min, max float64) []plot.Tick {	×
NEW 85	ticks := t.DefaultTicks.Ticks(min, max)	×
NEW 86	for i := 0; i < len(ticks); i++ {	×
NEW 87	tick := &ticks[i]	×
NEW 88	if tick.IsMinor() {	×
NEW 89	continue	×
90	}
NEW 91	if tick.Value > max-(0.05*(max-min)) {	×
NEW 92	tick.Label = ""	×
NEW 93	}	×
94	}
NEW 95	return ticks	×
96	}
97
98	type plotGrid struct {
99	observer.Grid
100	Values []float64
101	}
102
NEW 103	func (g *plotGrid) Z(c, r int) float64 {	×
NEW 104	w, _ := g.Dims()	×
NEW 105	return g.Values[r*w+c]	×
NEW 106	}	×

mlange-42 / ark-pixel / 13727326526

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