ux stuff

common/elements/v1/block.go

@@ -0,0 +1,61 @@
+package elements
+
+import (
+	"context"
+	"image/color"
+
+	"git.vezzani.net/ben/games/common/ux/v1"
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/vector"
+	"golang.org/x/image/font"
+)
+
+type Block struct {
+	Label string
+	Style struct {
+		Width           float32
+		Height          float32
+		XAlign          XAlign
+		YAlign          YAlign
+		Offset          int
+		Font            *font.Face
+		BackgroundColor *color.Color
+	}
+}
+
+func (b *Block) backgroundColor() color.Color {
+	var c *color.Color
+	if b.Style.BackgroundColor != nil {
+		c = b.Style.BackgroundColor
+	} else {
+		c = &ux.BackgroundColor
+	}
+
+	return *c
+}
+
+func (b *Block) size(ctx context.Context) (x, y float32) {
+	x = b.Style.Width
+	y = b.Style.Height
+
+	if x == 0 || y == 0 {
+		px, py := GetContainerSize(ctx)
+		if x == 0 {
+			x = px
+		}
+		if y == 0 {
+			y = py
+		}
+	}
+
+	return
+}
+
+func (b *Block) Draw(ctx context.Context, image *ebiten.Image) error {
+	xz, yz := GetZero(ctx)
+	w, h := b.size(ctx)
+
+	vector.StrokeRect(image, xz, yz, w, h, 1, b.backgroundColor(), true)
+
+	return nil
+}