Update Files

Kha/Sources/kha/graphics2/Graphics1.hx

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+package kha.graphics2;
+
+import haxe.io.Bytes;
+import kha.Canvas;
+import kha.Color;
+import kha.graphics4.TextureFormat;
+import kha.graphics4.Usage;
+import kha.Image;
+
+class Graphics1 implements kha.graphics1.Graphics {
+	var canvas: Canvas;
+	var texture: Image;
+	var pixels: Bytes;
+
+	public function new(canvas: Canvas) {
+		this.canvas = canvas;
+	}
+
+	public function begin(): Void {
+		if (texture == null || (texture.realWidth != canvas.width || texture.realHeight != canvas.height)) {
+			texture = Image.create(canvas.width, canvas.height, TextureFormat.RGBA32, Usage.ReadableUsage);
+		}
+		pixels = texture.lock();
+	}
+
+	public function end(): Void {
+		texture.unlock();
+		canvas.g2.begin(false);
+		canvas.g2.drawImage(texture, 0, 0);
+		canvas.g2.end();
+	}
+
+	public function setPixel(x: Int, y: Int, color: Color): Void {
+		#if (kha_html5 || kha_krom)
+		pixels.setInt32(y * texture.stride + x * 4, Color.fromBytes(color.Bb, color.Gb, color.Rb, color.Ab));
+		#else
+		pixels.setInt32(y * texture.stride + x * 4, color);
+		#end
+	}
+}