sprite stuff

tools/spritedit/main.go

@@ -0,0 +1,90 @@
+package main
+
+import (
+	"bytes"
+
+	"github.com/ebitenui/ebitenui"
+	"github.com/ebitenui/ebitenui/image"
+	"github.com/ebitenui/ebitenui/widget"
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/text/v2"
+	"golang.org/x/image/colornames"
+	"golang.org/x/image/font/gofont/goregular"
+)
+
+type Editor struct {
+	ui *ebitenui.UI
+}
+
+func NewEditor() *Editor {
+	root := widget.NewContainer(
+		widget.ContainerOpts.BackgroundImage(
+			image.NewNineSliceColor(colornames.Gainsboro),
+		))
+	root.AddChild(
+		widget.NewButton(
+			widget.ButtonOpts.TextLabel("Open Sprite Sheet..."),
+			widget.ButtonOpts.TextFace(DefaultFont()),
+			widget.ButtonOpts.TextColor(&widget.ButtonTextColor{
+				Idle:    colornames.Gainsboro,
+				Hover:   colornames.Gainsboro,
+				Pressed: colornames.Gainsboro,
+			}),
+			widget.ButtonOpts.Image(&widget.ButtonImage{
+				Idle:         DefaultNineSlice(colornames.Darkslategray),
+				Hover:        DefaultNineSlice(Mix(colornames.Darkslategray, colornames.Mediumseagreen, 0.4)),
+				Disabled:     DefaultNineSlice(Mix(colornames.Darkslategray, colornames.Gainsboro, 0.8)),
+				Pressed:      PressedNineSlice(Mix(colornames.Darkslategray, colornames.Black, 0.4)),
+				PressedHover: PressedNineSlice(Mix(colornames.Darkslategray, colornames.Black, 0.4)),
+			}),
+			widget.ButtonOpts.WidgetOpts(
+				widget.WidgetOpts.LayoutData(widget.AnchorLayoutData{
+					VerticalPosition:   widget.AnchorLayoutPositionCenter,
+					HorizontalPosition: widget.AnchorLayoutPositionCenter,
+				}),
+				widget.WidgetOpts.MinSize(180, 48),
+			),
+		),
+	)
+
+	return &Editor{
+		ui: &ebitenui.UI{Container: root},
+	}
+}
+
+func (e *Editor) Update() error {
+	e.ui.Update()
+	return nil
+}
+
+func (e *Editor) Draw(screen *ebiten.Image) {
+	e.ui.Draw(screen)
+}
+
+func (e *Editor) Layout(w, h int) (int, int) {
+	return w, h
+}
+
+func DefaultFont() *text.Face {
+	s, err := text.NewGoTextFaceSource(bytes.NewReader(goregular.TTF))
+	if err != nil {
+		panic(err)
+	}
+
+	var f text.Face
+
+	f = &text.GoTextFace{
+		Source: s,
+		Size:   20,
+	}
+
+	return &f
+}
+
+func main() {
+	ebiten.SetWindowSize(480, 320)
+	ebiten.SetWindowResizingMode(ebiten.WindowResizingModeEnabled)
+	if err := ebiten.RunGame(NewEditor()); err != nil {
+		panic(err)
+	}
+}