Method drawPixelRef

examples/scenes/src/BitmapScene.java:181–200

(Canvas canvas, IRect target, IRect screen, float dpi)

    }

    public void drawPixelRef(Canvas canvas, IRect target, IRect screen, float dpi) {
        try (var src = new Bitmap();
             var dst = new Bitmap();)
        {
            var info = ImageInfo.makeS32((int) (target.getWidth() * dpi), (int) (target.getHeight() * dpi), ColorAlphaType.OPAQUE);
            src.allocPixels(info);
            if (canvas.readPixels(src, (int) (target.getLeft() * dpi), (int) (target.getTop() * dpi))) {
                var pixelRef = src.getPixelRef();
                dst.setImageInfo(info.withWidthHeight((int) (target.getWidth() / 2 * dpi), (int) (target.getHeight() / 2 * dpi)));
                dst.setPixelRef(pixelRef, (int) (target.getWidth() / 4 * dpi), (int) (target.getHeight() / 4 * dpi));
                try (var image = Image.makeRasterFromBitmap(dst.setImmutable());) {
                    canvas.drawImageRect(image, target.toRect());
                }
            }
        }

        try(var stroke = new Paint().setColor(0xFFE5E5E5).setMode(PaintMode.STROKE).setStrokeWidth(1);) {
            canvas.drawRect(target.toRect(), stroke);
        }
    }


    public void drawAlpha(Canvas canvas, IRect target, IRect screen, float dpi) {