74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package asciibox
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import (
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fl "github.com/mbndr/figlet4go"
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"github.com/sqshq/sampler/asset"
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"github.com/sqshq/sampler/data"
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ui "github.com/sqshq/termui"
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"image"
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)
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type AsciiBox struct {
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ui.Block
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text string
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ascii string
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style ui.Style
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render *fl.AsciiRender
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options *fl.RenderOptions
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}
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type AsciiFont string
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const (
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AsciiFontFlat AsciiFont = "flat"
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AsciiFont3D AsciiFont = "3d"
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)
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const asciiFontExtension = ".flf"
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func NewAsciiBox(title string, font AsciiFont, color ui.Color) *AsciiBox {
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block := *ui.NewBlock()
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block.Title = title
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options := fl.NewRenderOptions()
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options.FontName = string(font)
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fontStr, err := asset.Asset(options.FontName + asciiFontExtension)
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if err != nil {
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panic("Can't load the font: " + err.Error())
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}
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render := fl.NewAsciiRender()
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_ = render.LoadBindataFont(fontStr, options.FontName)
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return &AsciiBox{
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Block: block,
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style: ui.NewStyle(color),
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render: render,
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options: options,
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}
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}
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func (a *AsciiBox) ConsumeSample(sample data.Sample) {
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a.text = sample.Value
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a.ascii, _ = a.render.RenderOpts(sample.Value, a.options)
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}
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func (a *AsciiBox) Draw(buffer *ui.Buffer) {
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buffer.Fill(ui.NewCell(' ', ui.NewStyle(ui.ColorBlack)), a.GetRect())
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a.Block.Draw(buffer)
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point := a.Inner.Min
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cells := ui.ParseText(a.ascii, a.style)
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for i := 0; i < len(cells) && point.Y < a.Inner.Max.Y; i++ {
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if cells[i].Rune == '\n' {
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point = image.Pt(a.Inner.Min.X, point.Y+1)
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} else if point.In(a.Inner) {
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buffer.SetCell(cells[i], point)
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point = point.Add(image.Pt(1, 0))
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}
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}
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}
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