zntg/ui/label.go

package ui

import (
	"opslag.de/schobers/zntg/allg5"
	"opslag.de/schobers/geom"
)

type Label struct {
	ControlBase
	Text                string
	HorizontalAlignment allg5.HorizontalAlignment
}

func (l *Label) DesiredSize(ctx Context) geom.PointF {
	var fonts = ctx.Fonts()
	var fnt = fonts.Get("default")
	var _, _, w, h = fnt.TextDimensions(l.Text)
	return geom.PtF(float64(w), float64(h))
}

func (l *Label) Render(ctx Context) {
	var fonts = ctx.Fonts()

	var min = l.Bounds.Min.To32()

	var fnt = fonts.Get("default")
	fnt.Draw(min.X, min.Y+fnt.Height()-fnt.Ascent(), ctx.Palette().Darkest(), l.HorizontalAlignment, l.Text)

	l.ControlBase.Render(ctx)
}