39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package layout
|
|
|
|
import (
|
|
"github.com/egoist/mygo/ui"
|
|
|
|
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
|
|
)
|
|
|
|
type CRTFrameOptions struct {
|
|
NoScanlines bool
|
|
// Brand is micro text on the chin.
|
|
Brand string
|
|
}
|
|
|
|
const crtSide, crtChin = 10, 16
|
|
|
|
// CRTFrame shows children on a monitor with scanlines.
|
|
func CRTFrame(c *ui.Context, o CRTFrameOptions, children func()) *ui.Element {
|
|
k := pixel.K(c)
|
|
return ui.Column(c).Padding(k.D(crtSide), k.D(crtSide), k.D(crtChin), k.D(crtSide)).Draw(func(p *ui.Painter, r ui.Rect) {
|
|
g := k.Canvas(p, r)
|
|
box(g, pixel.Raised, pixel.Face)
|
|
if g.W > 2*crtSide && g.H > crtSide+crtChin {
|
|
g.Frame(crtSide-3, crtSide-3, g.W-2*crtSide+6, g.H-crtSide-crtChin+6, pixel.Sunken, pixel.Well)
|
|
}
|
|
g.Micro(crtSide, g.H-crtChin/2-2, o.Brand, pixel.Shade, 1)
|
|
g.Rect(g.W-crtSide-6, g.H-crtChin/2-1, 3, 3, pixel.Good)
|
|
}).DrawOver(func(p *ui.Painter, r ui.Rect) {
|
|
if o.NoScanlines {
|
|
return
|
|
}
|
|
// Scanlines are Shade at half strength on every other row.
|
|
g := k.Canvas(p, r)
|
|
for y := crtSide + 1; y < g.H-crtChin; y += 2 {
|
|
g.Checker(crtSide, y, g.W-2*crtSide, 1, pixel.Shade)
|
|
}
|
|
}).Children(children)
|
|
}
|