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graphing with random numbers works

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This commit is contained in:
Tai Groot
2022-06-16 06:16:39 -06:00
parent 37a5894e41
commit 09982ece64
2 changed files with 17 additions and 8 deletions
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16
graph/graph.go
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@@ -40,7 +40,7 @@ func SetColorScheme(c []color.Color) {
}
}
func ColorForFrequency(freq, min, max int) color.Color {
func ColorForFrequency(freq, min, max int) sc.SimpleColor {
spread := max - min
interval := float64(spread) / float64(len(colorScheme))
colorIndex := 0
@@ -53,7 +53,7 @@ func ColorForFrequency(freq, min, max int) color.Color {
return colorScheme[colorIndex]
}
func GetImage(frequencies []int) bytes.Buffer {
squareColors := []color.Color{}
squareColors := []sc.SimpleColor{}
min, max := minmax(frequencies)
for _, f := range frequencies {
squareColors = append(squareColors, ColorForFrequency(f, min, max))
@@ -91,13 +91,15 @@ func drawImage(c []sc.SimpleColor) bytes.Buffer {
//TODO here, draw suqares in appropriate colors, hopefully as an svg
var sb bytes.Buffer
sbw := bufio.NewWriter(&sb)
width := 500
height := 500
width := 717
height := 112
squareLength := 10
canvas := svg.New(sbw)
canvas.Start(width, height)
canvas.Square(width/20, height/300, width/10, fmt.Sprintf("fill:%s", colorScheme[0].HexString()))
canvas.Circle(width/2, height/2, 100)
canvas.Text(width/2, height/2, "Hello, SVG", "text-anchor:middle;font-size:30px;fill:white")
for i, c := range c {
canvas.Square(10+squareLength+width/52*(i/7), squareLength/2+height/7*(i%7), squareLength, fmt.Sprintf("fill:%s", c.HexString()))
}
canvas.Text(width/100, squareLength*2+10, "Mon", "text-anchor:middle;font-size:10px;fill:black")
canvas.End()
sbw.Flush()
return sb