Files
gio/widget/material/label.go
T
Elias Naur e25b1639b9 text: make Shaper an interface
And rename out the caching implementation to FontRegistry.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
2020-01-13 14:48:31 +01:00

81 lines
1.6 KiB
Go

// SPDX-License-Identifier: Unlicense OR MIT
package material
import (
"image/color"
"gioui.org/layout"
"gioui.org/op/paint"
"gioui.org/text"
"gioui.org/unit"
"gioui.org/widget"
)
type Label struct {
// Face defines the text style.
Font text.Font
// Color is the text color.
Color color.RGBA
// Alignment specify the text alignment.
Alignment text.Alignment
// MaxLines limits the number of lines. Zero means no limit.
MaxLines int
Text string
shaper text.Shaper
}
func (t *Theme) H1(txt string) Label {
return t.Label(t.TextSize.Scale(96.0/16.0), txt)
}
func (t *Theme) H2(txt string) Label {
return t.Label(t.TextSize.Scale(60.0/16.0), txt)
}
func (t *Theme) H3(txt string) Label {
return t.Label(t.TextSize.Scale(48.0/16.0), txt)
}
func (t *Theme) H4(txt string) Label {
return t.Label(t.TextSize.Scale(34.0/16.0), txt)
}
func (t *Theme) H5(txt string) Label {
return t.Label(t.TextSize.Scale(24.0/16.0), txt)
}
func (t *Theme) H6(txt string) Label {
return t.Label(t.TextSize.Scale(20.0/16.0), txt)
}
func (t *Theme) Body1(txt string) Label {
return t.Label(t.TextSize, txt)
}
func (t *Theme) Body2(txt string) Label {
return t.Label(t.TextSize.Scale(14.0/16.0), txt)
}
func (t *Theme) Caption(txt string) Label {
return t.Label(t.TextSize.Scale(12.0/16.0), txt)
}
func (t *Theme) Label(size unit.Value, txt string) Label {
return Label{
Text: txt,
Color: t.Color.Text,
Font: text.Font{
Size: size,
},
shaper: t.Shaper,
}
}
func (l Label) Layout(gtx *layout.Context) {
paint.ColorOp{Color: l.Color}.Add(gtx.Ops)
tl := widget.Label{Alignment: l.Alignment, MaxLines: l.MaxLines}
tl.Layout(gtx, l.shaper, l.Font, l.Text)
}