Esempio n. 1
0
func display() {
	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	gl.LineWidth(1)
	gc := draw2dgl.NewGraphicContext(width, height)
	gc.SetFontData(draw2d.FontData{
		Name:   "luxi",
		Family: draw2d.FontFamilyMono,
		Style:  draw2d.FontStyleBold | draw2d.FontStyleItalic})

	gc.BeginPath()
	draw2dkit.RoundedRectangle(gc, 200, 200, 600, 600, 100, 100)

	gc.SetFillColor(color.RGBA{0, 0, 0, 0xff})
	gc.Fill()

	gl.Flush() /* Single buffered, so needs a flush. */
}
Esempio n. 2
0
func display() {

	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)

	lastTime := time.Now()
	gl.LineWidth(1)
	gc := draw2dgl.NewGraphicContext(width, height)

	gc.Translate(380, 400)
	gc.Scale(1, -1)
	rotate = (rotate + 1) % 360
	gc.Rotate(float64(rotate) * math.Pi / 180)
	gc.Translate(-380, -400)

	interpreter := ps.NewInterpreter(gc)
	reader := strings.NewReader(postscriptContent)

	interpreter.Execute(reader)
	dt := time.Now().Sub(lastTime)
	log.Printf("Redraw in : %f ms\n", float64(dt)*1e-6)
	gl.Flush() /* Single buffered, so needs a flush. */
}