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Added (horizontal) text alignment.

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This commit is contained in:
Sander Schobers 2019-06-24 20:58:14 +02:00
parent ff064bbf1f
commit e867925de8
4 changed files with 22 additions and 5 deletions
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19
ui/allg5ui/renderer.go
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@ -237,13 +237,28 @@ func (r *Renderer) Target() ui.Image {
return &uiImage{allg5.CurrentTarget()}
}
func (r *Renderer) Text(p geom.PointF32, font string, c color.Color, t string) {
func (r *Renderer) text(p geom.PointF32, font string, c color.Color, t string, align allg5.HorizontalAlignment) {
var f = r.ft[font]
if f == nil {
return
}
x, y := snap(p)
f.f.Draw(x, y, newColor(c), allg5.AlignLeft, t)
f.f.Draw(x, y, newColor(c), align, t)
}
func (r *Renderer) Text(p geom.PointF32, font string, c color.Color, t string) {
r.text(p, font, c, t, allg5.AlignLeft)
}
func (r *Renderer) TextAlign(p geom.PointF32, font string, c color.Color, t string, align ui.HorizontalAlignment) {
var alignment = allg5.AlignLeft
switch align {
case ui.AlignCenter:
alignment = allg5.AlignCenter
case ui.AlignRight:
alignment = allg5.AlignRight
}
r.text(p, font, c, t, alignment)
}
// Utility functions

1
ui/controlbase.go
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@ -30,6 +30,7 @@ type ControlBase struct {
Background color.Color
Font FontStyle
TextAlignment HorizontalAlignment
}
func (c *ControlBase) Arrange(ctx Context, bounds geom.RectangleF32, offset geom.PointF32, parent Control) {

2
ui/label.go
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@ -32,5 +32,5 @@ func (l *Label) Render(ctx Context) {
var c = l.FontColor(ctx)
var f = l.FontName(ctx)
var pad = ctx.Style().Dimensions.TextPadding
ctx.Renderer().Text(l.bounds.Min.Add(geom.PtF32(pad, pad)), f, c, l.Text)
ctx.Renderer().TextAlign(l.bounds.Min.Add(geom.PtF32(pad, pad)), f, c, l.Text, l.TextAlignment)
}

1
ui/renderer.go
View File

@ -32,4 +32,5 @@ type Renderer interface {
Size() geom.PointF32
Target() Image
Text(p geom.PointF32, font string, color color.Color, text string)
TextAlign(p geom.PointF32, font string, color color.Color, text string, align HorizontalAlignment)
}