init

resources/genicon/main.go

@@ -0,0 +1,71 @@
+// genicon generates a simple 1024x1024 PNG application icon for LMVPN.
+// Run: go run resources/genicon/main.go
+package main
+
+import (
+	"image"
+	"image/color"
+	"image/draw"
+	"image/png"
+	"math"
+	"os"
+)
+
+const size = 1024
+
+func main() {
+	img := image.NewRGBA(image.Rect(0, 0, size, size))
+
+	// Background: dark blue gradient.
+	bg := color.RGBA{R: 30, G: 60, B: 120, A: 255}
+	draw.Draw(img, img.Bounds(), &image.Uniform{bg}, image.Point{}, draw.Src)
+
+	// Draw a lighter blue circle in the center.
+	cx, cy := size/2, size/2
+	radius := size / 3
+	for y := 0; y < size; y++ {
+		for x := 0; x < size; x++ {
+			dx := float64(x - cx)
+			dy := float64(y - cy)
+			dist := math.Sqrt(dx*dx + dy*dy)
+			if dist < float64(radius) {
+				t := dist / float64(radius)
+				r := uint8(50 + float64(100)*(1-t))
+				g := uint8(100 + float64(100)*(1-t))
+				b := uint8(200 + float64(55)*(1-t))
+				img.SetRGBA(x, y, color.RGBA{R: r, G: g, B: b, A: 255})
+			}
+		}
+	}
+
+	// Draw a white shield outline (simplified).
+	shieldColor := color.RGBA{R: 255, G: 255, B: 255, A: 230}
+	sx, sy := size/2, size/4
+	sw, sh := size/3, size/2
+	for y := sy; y < sy+sh; y++ {
+		for x := sx - sw/2; x < sx+sw/2; x++ {
+			// Shield shape: rounded top, pointed bottom.
+			progress := float64(y-sy) / float64(sh)
+			halfW := float64(sw)/2 * (1.0 - 0.3*progress*progress)
+			if math.Abs(float64(x-sx)) < halfW && progress < 0.7 {
+				img.SetRGBA(x, y, shieldColor)
+			} else if progress >= 0.7 {
+				tp := (progress - 0.7) / 0.3
+				halfW2 := float64(sw)/2 * (1.0 - 0.3*0.49) * (1.0 - tp)
+				if math.Abs(float64(x-sx)) < halfW2 {
+					img.SetRGBA(x, y, shieldColor)
+				}
+			}
+		}
+	}
+
+	f, err := os.Create("resources/icon.png")
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+	if err := png.Encode(f, img); err != nil {
+		panic(err)
+	}
+	println("Generated resources/icon.png")
+}