Add display components 041-065; move Icon into display; QR via rsc.io/qr

display/medal.go

@@ -0,0 +1,61 @@
+package display
+
+import (
+	"fmt"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type Rank uint8
+
+const (
+	Gold Rank = iota
+	Silver
+	Bronze
+)
+
+var ribbon = pixel.MustSprite(`
+	aaa.....ccc
+	aaaa...cccc
+	.aaaa.cccc.
+	..aaaccccc.
+	...aaccc...
+	....acc....
+`)
+
+type MedalOptions struct {
+	Scale int
+}
+
+// Medal is a ribboned medal showing its rank.
+func Medal(c *ui.Context, r Rank, o MedalOptions) *ui.Element {
+	if r > Bronze {
+		panic(fmt.Sprintf("display: unknown Rank %d", r))
+	}
+	k, sc := pixel.K(c), scale(o.Scale)
+	name := k.Msg([...]string{"gold", "silver", "bronze"}[r])
+	return art(c, k, name, 11*sc, 18*sc, func(g pixel.Canvas) {
+		g.Sprite(0, 0, ribbon, 0, pixel.Ink, sc)
+		g.Disc(5*sc, 12*sc, 5*sc, pixel.Edge)
+		g.Disc(5*sc, 12*sc, 5*sc-1, pixel.Shade)
+		metal(g, r, 5*sc, 12*sc, 5*sc-2)
+		g.Micro(5*sc-1, 12*sc-2, itoa(int(r)+1), pixel.Edge, 1)
+	})
+}
+
+// metal fills a disc in the rank's colors.
+func metal(g pixel.Canvas, r Rank, cx, cy, rad int) {
+	switch r {
+	case Gold:
+		g.Disc(cx, cy, rad, pixel.Warn)
+	case Silver:
+		g.Disc(cx, cy, rad, pixel.Face)
+	case Bronze:
+		g.Disc(cx, cy, rad, pixel.Warn)
+		g.Veil(cx-rad, cy-rad, 2*rad+1, 2*rad+1, pixel.Bad, 8)
+		g.Circle(cx, cy, rad, pixel.Shade)
+	}
+	g.Dot(cx-rad/2, cy-rad/2, pixel.Lit)
+}