// Use device interface to draw some graphics and save as a PNG.

import * as mupdf from "mupdf"

var font = new mupdf.Font("Times-Roman")
var image = new mupdf.Image("huntingofthesnark.png")
var path, text

var pixmap = new mupdf.Pixmap(mupdf.ColorSpace.DeviceRGB, [ 0, 0, 500, 600 ], false)
pixmap.clear(255)
var device = new mupdf.DrawDevice(mupdf.Matrix.identity, pixmap)
var transform = [ 2, 0, 0, 2, 0, 0 ]
{
	text = new mupdf.Text()
	{
		text.showString(font, [ 16, 0, 0, -16, 100, 30 ], "Hello, world!")
		text.showString(font, [ 0, 16, 16, 0, 15, 100 ], "Hello, world!")
	}
	device.fillText(text, transform, mupdf.ColorSpace.DeviceGray, [ 0 ], 1)

	path = new mupdf.Path()
	{
		path.moveTo(10, 10)
		path.lineTo(90, 10)
		path.lineTo(90, 90)
		path.lineTo(10, 90)
		path.closePath()
	}
	device.fillPath(path, false, transform, mupdf.ColorSpace.DeviceRGB, [ 1, 0, 0 ], 1)
	device.strokePath(
		path,
		{ dashes: [ 5, 10 ], lineWidth: 3, lineCap: "Round" },
		transform,
		mupdf.ColorSpace.DeviceRGB,
		[ 0, 0, 0 ],
		1
	)

	path = new mupdf.Path()
	{
		path.moveTo(100, 100)
		path.curveTo(150, 100, 200, 150, 200, 200)
		path.curveTo(200, 300, 0, 300, 100, 100)
		path.closePath()
	}
	device.clipPath(path, true, transform)
	{
		device.fillImage(image, Matrix.concat(transform, [ 300, 0, 0, 300, 0, 0 ]), 1)
	}
	device.popClip()
}
device.close()

pixmap.saveAsPNG("out.png")