new simple downscaling ideas

2026-06-20 11:31:44 +03:00
parent 67ff655767
commit b75a8814a2
20 changed files with 395 additions and 65 deletions
@@ -0,0 +1,28 @@
+package main
+
+func main() {
+	canvas := image.NewRGBA(image.Rect(0, 0, 3840, 2160))
+	circles := Circles(canvas.Bounds(), 2160/6)
+
+	// draw n circles
+	for i := 0; i < 24; i++ {
+		c := <-circles
+
+		draw.Draw(canvas, c.Bounds(), xor{c, canvas}, c.Bounds().Min, draw.Src)
+		/*
+		draw.DrawMask(
+			canvas, canvas.Bounds(), &image.Uniform{color.White},
+			image.Point{}, xor{c, canvas}, image.Point{}, draw.Src,
+		)
+		*/
+	}
+	/*
+		newCanvas := image.NewRGBA(canvas.Bounds())
+		draw.Draw(newCanvas, newCanvas.Bounds(), &image.Uniform{color.RGBA{255, 255, 0, 255}}, image.ZP, draw.Over)
+		draw.Draw(newCanvas, newCanvas.Bounds(), canvas, image.ZP, draw.Over)
+	*/
+	err := png.Encode(os.Stdout, BlackAndWhite{canvas})
+	if err != nil {
+		panic(err)
+	}
+}