linefont/linefont.go

package main

import (
	"github.com/llgcode/draw2d"
	"github.com/llgcode/draw2d/draw2dimg"

	"fmt"
	"github.com/llgcode/draw2d/draw2dkit"
	"image"
	"image/color"
	"math"
)

func main() {

	fmt.Println("hi")

	w := 2500.0
	h := 1300.0

	dest := image.NewRGBA(image.Rect(0, 0, int(w), int(h)))
	dc := draw2dimg.NewGraphicContext(dest)

	dc.SetFillColor(color.RGBA{255, 255, 255, 0xff})
	draw2dkit.Rectangle(dc, 0, 0, w, h)
	dc.Fill()
	dc.SetLineCap(draw2d.RoundCap)
	dc.SetLineJoin(draw2d.RoundJoin)

	dc.Translate(100, h/2)
	//dc.Scale(.5, .5)

	dc.SetStrokeColor(color.RGBA{0, 0, 0, 0xff})

	d := &drawer{
		c:    dc,
		skew: -1 * math.Tan(radians(22.5)), //-1*math.Tan(radians(22.5))
	}
	
	cap := &capturer{
		skew: -1 * math.Tan(radians(22.5)), //-1*math.Tan(radians(22.5))
		paths: make(Paths,0),
		path: Path{points:make([]Point,0)},
	}
	
	fmt.Println(cap)
	
	d.InitCharTable()
	
	d.dumpCharTable()
	
	//d.skew = 0.0
	//
	//	d.Translate(0, 0)
	//
	//	dc.SetLineWidth(.5)

	//x height
	//	d.MoveTo(-2*w, 1500)
	//	d.LineTo(2*w, 1500)
	//	d.Stroke()
	//
	//	x height
	//	d.MoveTo(-2*w, 1000)
	//	d.LineTo(2*w, 1000)
	//	d.Stroke()
	//
	//	left
	//	d.MoveTo(0, -2*h)
	//	d.LineTo(0, 2*w)
	//	d.Stroke()
	//
	//	right lowercase
	//	d.MoveTo(385*2, -2*h)
	//	d.LineTo(385*2, 2*w)
	//	d.Stroke()
	//
	//	right uppercase
	//	d.MoveTo(1170, -2*h)
	//	d.LineTo(1170, 2*w)
	//	d.Stroke()
	//
	//	baseline
	//	d.MoveTo(-2*w, 0)
	//	d.LineTo(2*w, 0)
	//	d.Stroke()

	//abcdefghijklmnopqrstuvwxyz

	kerntable := map[rune]map[rune]float64{
		'A': map[rune]float64{
			'a': -100.0, 'c': -100.0, 'd': -100.0, 'e': -100.0, 'g': -100.0, 'o': -100.0, 'q': -100.0, 's': -100.0, 'u': -100.0, 'v': -300.0, 'w': -300.0, 'y': -250.0,
		},
		'E': map[rune]float64{
			'a': -200.0, 'c': -200.0, 'd': -200.0, 'e': -200.0, 'g': -200.0, 'o': -200.0, 'q': -200.0, 's': -100.0, 'u': -100.0, 'v': -300.0, 'w': -300.0, 'y': -200.0,
		},
		'F': map[rune]float64{
			'a': -300.0, 'c': -300.0, 'd': -300.0, 'e': -300.0, 'g': -300.0, 'm': -300.0, 'n': -300.0, 'o': -300.0, 'p': -300.0, 'q': -300.0, 'r': -300.0, 's': -300.0, 'u': -300.0, 'v': -300.0, 'w': -300.0, 'x': -300.0, 'y': -300.0, 'z': -300.0,
		},
		'K': map[rune]float64{
			'a': -200.0, 'c': -200.0, 'd': -200.0, 'e': -200.0, 'g': -200.0, 'o': -200.0, 'q': -200.0, 's': -100.0, 'u': -100.0, 'v': -300.0, 'w': -300.0, 'y': -200.0,
		},
		'L': map[rune]float64{
			'a': -200.0, 'c': -200.0, 'd': -200.0, 'e': -200.0, 'g': -200.0, 'o': -200.0, 'q': -200.0, 's': -100.0, 'u': -100.0, 'v': -300.0, 'w': -300.0, 'y': -200.0,
		},
		'P': map[rune]float64{
			'a': -100.0, 'c': -100.0, 'd': -100.0, 'e': -100.0, 'g': -100.0, 'o': -100.0, 'q': -100.0, 's': -100.0,
		},
		'R': map[rune]float64{
			'a': -100.0, 'c': -100.0, 'd': -100.0, 'e': -100.0, 'g': -100.0, 'o': -100.0, 'q': -100.0, 's': -100.0,
		},
		'T': map[rune]float64{
			'a': -300.0, 'c': -300.0, 'd': -300.0, 'e': -300.0, 'g': -300.0, 'm': -300.0, 'n': -300.0, 'o': -300.0, 'p': -300.0, 'q': -300.0, 'r': -300.0, 's': -300.0, 'u': -300.0, 'v': -300.0, 'w': -300.0, 'x': -300.0, 'y': -300.0, 'z': -300.0,
		},
		'V': map[rune]float64{
			'a': -200.0, 'c': -200.0, 'd': -200.0, 'e': -200.0, 'g': -200.0, 'm': -100.0, 'n': -100.0, 'o': -200.0, 'p': -100.0, 'q': -200.0, 'r': -100.0, 's': -200.0, 'u': -100.0, 'v': -100.0, 'w': -100.0, 'x': -100.0, 'y': -100.0, 'z': -100.0,
		},
		'W': map[rune]float64{
			'a': -200.0, 'c': -200.0, 'd': -200.0, 'e': -200.0, 'g': -200.0, 'm': -100.0, 'n': -100.0, 'o': -200.0, 'p': -100.0, 'q': -200.0, 'r': -100.0, 's': -200.0, 'u': -100.0, 'v': -100.0, 'w': -100.0, 'x': -100.0, 'y': -100.0, 'z': -100.0,
		},
		'X': map[rune]float64{
			'a': -200.0, 'c': -200.0, 'd': -200.0, 'e': -200.0, 'g': -200.0, 'o': -200.0, 'q': -200.0, 's': -100.0, 'u': -100.0, 'v': -300.0, 'w': -300.0, 'y': -200.0,
		},
		'Y': map[rune]float64{
			'a': -300.0, 'c': -300.0, 'd': -300.0, 'e': -300.0, 'g': -300.0, 'm': -300.0, 'n': -300.0, 'o': -300.0, 'p': -300.0, 'q': -300.0, 'r': -300.0, 's': -300.0, 'u': -300.0, 'v': -300.0, 'w': -300.0, 'x': -300.0, 'y': -300.0, 'z': -300.0,
		},
		'Z': map[rune]float64{
			'a': -200.0, 'c': -200.0, 'd': -200.0, 'e': -200.0, 'g': -200.0, 'o': -200.0, 'q': -200.0, 's': -100.0, 'u': -100.0, 'v': -300.0, 'w': -300.0, 'y': -200.0,
		},
		'f': map[rune]float64{
			'f': -100.0,
		},
		'i': map[rune]float64{
			'i': 100.0,
			'l': 100.0,
			't': 100.0,
		},
		'k': map[rune]float64{
			'a': -100.0, 'c': -100.0, 'd': -100.0, 'e': -100.0, 'g': -100.0, 'o': -100.0, 'q': -100.0, 's': -100.0,
		},
		'l': map[rune]float64{
			'i': 100.0,
			'l': 100.0,
			't': 100.0,
		},
	}
	var cw float64

	lineWidth := 2.5
	dc.SetLineWidth(lineWidth)
	d.SetXHeight(24.0)
	d.skew = -1 * math.Tan(radians(22.5))

	//str1 := "the quick brown fox jumps over the lazy dog"
	//	str2 := "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG"
	//	str3 := "Fa Fb Fc Fd Fe Ff Fh Fi Fj Fk Fl Fm Fn Fo Fp Fq Fr Fs Ft Fu Fv Fw Fx Fy Fz"
	//		d.Translate(0, 0)
	//
	//	for _, c := range str1 {
	//		cw = d.drawChar(c)
	//		d.AdvanceX(cw + 300 + lineWidth)
	//	}
	//	d.Translate(0, 2500)
	//	for _, c := range str2 {
	//		cw = d.drawChar(c)
	//		d.AdvanceX(cw + 300 + lineWidth)
	//	}
	//	yoff := -20000.0
	//	for _, C := range "abcdefghijklmnopqrstuvwxyz" {
	//		d.Translate(0, yoff)
	//		yoff += 2500
	//		for _, c := range "abcdefghijklmnopqrstuvwxyz" {
	//			cw = d.drawChar(C)
	//			d.AdvanceX(cw + 300 + lineWidth + kerntable[C][c])
	//			cw = d.drawChar(c)
	//			d.AdvanceX(cw + 300 + lineWidth)
	//			cw = d.drawChar(' ')
	//			d.AdvanceX(cw + 300 + lineWidth)
	//		}
	//	}

	var last rune
	tx := 0.0
	lines := 1.0
	for _, c := range "Hello, there. This is a block of \"text\" that I am using to test the basic wrapping capabilities of this hideous block of code that I've created to render text using mixed dimensional spaces. abcdefghijklmnopABCDEFGHIJKLMNOP012,345.6789°#$%*" {
		if last != 0 {
			cw = d.drawChar(last)
			cw += kerntable[last][c]
			d.AdvanceX(cw + 400)
			tx += cw + 400
			if tx > 50000 {
				d.Translate(0, lines*2500.0)
				tx = 0
				lines++
			}
				

		}
		last = c
	}
	d.drawChar(last)



	dc.Stroke()

	draw2dimg.SaveToPngFile("ellipse.png", dest)

}

func (d *drawer) InitCharTable() {
	d.charTable = make(map[rune]func() float64)
	d.charTable[' '] = func() float64 {
		return 385
	}

	d.charTable['a'] = func() float64 {
		points := d.Arc(385, 520, 120, 60, 0)
		x, _, _, _ := d.DrawPathOriginAtCenter(-points.Left()-20, 500, points)
		d.Line(x, 0, x, 1000)
		return x
	}
	d.charTable['b'] = func() float64 {
		points := d.Arc(385, 520, 300, 240, 0)
		d.DrawPathOriginAtCenter(-points.Left(), 500, points)
		d.Line(0, 0, 0, 1500)
		return points.Width() - 20
	}
	d.charTable['c'] = func() float64 {
		points := d.Arc(385, 520, 130, 50, 0)
		x, _, _, _ := d.DrawPathOriginAtCenter(-points.Left()-20, 500, points)
		return x
	}
	d.charTable['d'] = func() float64 {
		points := d.Arc(385, 520, 120, 60, 0)
		x, _, _, _ := d.DrawPathOriginAtCenter(-points.Left()-20, 500, points)
		d.Line(x, 0, x, 1500)
		return x
	}
	d.charTable['e'] = func() float64 {
		points := d.Arc(385, 520, 135, 85, 0)
		_, _, _, y := d.DrawPathOriginAtCenter(-points.Left()-20, 500, points)
		w := points.Width()
		d.LineTo(w-2*points.End().X-20, y)
		return w - 40
	}
	d.charTable['f'] = func() float64 {
		d.Line(130, 0, 130, 1300)
		points := d.Arc(200, 200, 270, 35, 0)
		_, _, x, _ := d.DrawPathOriginAtStart(130, 1300, points)
		d.Line(-100, 1000, 400, 1000)
		return x - 150
	}
	d.charTable['g'] = func() float64 {
		points := d.Arc(385, 520, 120, 60, 0)
		x, _, _, _ := d.DrawPathOriginAtCenter(-points.Left()-20, 500, points)
		points2 := d.Arc(300, 320, 90, 220, 0)
		g := points2.Height()
		d.Line(x, -400+g, x, 1000)
		d.DrawPathOriginAtStart(x, -400+g, points2)
		return x
	}
	d.charTable['h'] = func() float64 {
		d.Line(0, 1500, 0, 0)
		r := -25.0
		points := d.Arc(700/2, 550/2, 270.0-r, 90-r, r)
		_, _, x2, y2 := d.DrawPathOriginAtStart(0, 680, points)
		d.Line(x2, y2, x2, 0)
		return x2
	}
	d.charTable['i'] = func() float64 {

		d.Line(0, 1000, 0, 0)
		d.Line(0, 1350, 0, 1500)
		return 1

	}
	d.charTable['j'] = func() float64 {
		o := 200.0
		points := d.Arc(370/2, 370/2, 90, 190, 0)
		w := points.Width()
		d.DrawPathOriginAtStart(w-o, -400+points.Height(), points)
		d.Line(w-o, 1000, w-o, -400+points.Height())
		d.Line(w-o, 1350, w-o, 1500)
		return w
	}
	d.charTable['k'] = func() float64 {
		d.Line(0, 0, 0, 1500)
		d.Line(0, 410, 572, 616+410) // upper leg 560,1000
		d.Line(260, 690, 624, 0)     // lower leg
		return 624
	}
	d.charTable['l'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(0, 0)
		return 1
	}
	d.charTable['m'] = func() float64 {
		d.Line(0, 0, 0, 1000)
		r := -25.0
		points := d.Arc(700/2, 550/2, 270.0-r, 90-r, r)
		_, _, x, y := d.DrawPathOriginAtStart(0, 680, points)
		d.Line(x, 0, x, y)
		_, _, x, y = d.DrawPathOriginAtStart(x, 680, points)
		d.Line(x, 0, x, y)
		return x
	}
	d.charTable['n'] = func() float64 {
		d.Line(0, 0, 0, 1000)
		r := -25.0
		points := d.Arc(700/2, 550/2, 270.0-r, 90-r, r)
		_, _, x, y := d.DrawPathOriginAtStart(0, 680, points)
		d.Line(x, 0, x, y)
		return x
	}
	d.charTable['o'] = func() float64 {
		points := d.Arc(385, 520, 0, 360, 0)
		d.DrawPathOriginAtCenter(385-20, 500, points)
		return points.Width() - 40
	}
	d.charTable['p'] = func() float64 {
		points := d.Arc(385, 520, 300, 240, 0)
		d.DrawPathOriginAtCenter(-points.Left(), 500, points)
		d.Line(0, -500, 0, 1000)
		return points.Width() - 20
	}
	d.charTable['q'] = func() float64 {
		points := d.Arc(385, 520, 120, 60, 0)
		x, _, _, _ := d.DrawPathOriginAtCenter(-points.Left()-20, 500, points)
		d.Line(x, -500, x, 1000)
		return points.Width() - 20
	}
	d.charTable['r'] = func() float64 {
		r := 20.0
		points := d.Arc(290, 490, 270.0-r, 360.0-r, r)
		d.DrawPathOriginAtStart(0, 380, points)
		d.Line(0, 0, 0, 1000)
		return points.Width()
	}
	d.charTable['s'] = func() float64 {
		m := 10.0
		e := 73.0
		ex := 340.0
		ey := 270.0
		oy := 527.0
		pointsT := d.Arc(ex*.9, ey*.9, 180+m, e, 0.0)
		pointsB := d.Arc(ex, ey, 360+m, 180+e, 0.0)
		w := pointsB.Width()
		j := LineByAngleAndAzimuith(m+90, 140)
		d.DrawPathOriginAtCenter(w/2-20, oy, j)
		je := j.End()
		js := j.Start()
		d.DrawPathOriginAtStart(js.X+w/2-20, js.Y+oy, pointsT)
		d.DrawPathOriginAtStart(je.X+w/2-20, je.Y+oy, pointsB)
		return w - 40
	}
	d.charTable['t'] = func() float64 {
		d.Line(80, 0, 80, 1300)
		d.Line(-150, 1000, 310, 1000)
		return 310
	}
	d.charTable['u'] = func() float64 {
		r := -25.0
		points := d.Arc(700/2, 550/2, 90-r, 270-r, r)
		w := points.Width()
		_, _, x, y := d.DrawPathOriginAtStart(w, 320, points)
		d.Line(w, 0, w, 1000)
		d.Line(x, 1000, x, y)
		return w
	}
	d.charTable['v'] = func() float64 {
		d.MoveTo(0, 1000)
		d.LineTo(320, 0)
		d.LineTo(370, 0)
		d.LineTo(690, 1000)
		return 690
	}
	d.charTable['w'] = func() float64 {
		d.MoveTo(0, 1000)
		d.LineTo(320, 0)
		d.LineTo(370, 0)
		d.LineTo(658, 900)
		d.LineTo(708, 900)
		d.LineTo(996, 0)
		d.LineTo(1046, 0)
		d.LineTo(1366, 1000)
		return 1366
	}
	d.charTable['x'] = func() float64 {
		d.Line(0, 0, 670, 1000)
		d.Line(670, 0, 0, 1000)
		return 670
	}
	d.charTable['y'] = func() float64 {
		d.MoveTo(0, 1000)
		d.LineTo(320, 0)
		d.MoveTo(640, 1000)
		ex, ey := 320.0-32.0, -100.0
		d.LineTo(ex, ey)
		points := d.Arc(200, 200, 108.6629, 200, 0)
		d.DrawPathOriginAtStart(ex, ey, points)
		return 670
	}
	d.charTable['z'] = func() float64 {
		d.MoveTo(0, 1000)
		d.LineTo(670, 1000)
		d.LineTo(0, 0)
		d.LineTo(670, 0)
		return 670
	}
	d.charTable['('] = func() float64 {
		points := d.Arc(1500, 1500, 234, 306, 0)
		w := points.Width()
		d.DrawPathOriginAtStart(w, -180, points)
		return w
	}
	d.charTable[')'] = func() float64 {
		points := d.Arc(1500, 1500, 54, 126, 0)
		w := points.Width()
		d.DrawPathOriginAtEnd(0, -180, points)
		return w
	}
	d.charTable['%'] = func() float64 {
		cw := 550.0
		points := d.Arc(cw/2, cw/2, 0, 360, 0)

		d.DrawPathOriginAtCenter(cw/2, 1500-cw/2, points)
		d.DrawPathOriginAtCenter(800+cw/2, cw/2, points)
		d.Line(cw/2, 0, 800+cw/2, 1500)
		return 800 + cw
	}
	d.charTable['°'] = func() float64 {
		cw := 500.0
		points := d.Arc(cw/2, cw/2, 0, 360, 0)
		d.DrawPathOriginAtCenter(cw/2, 1500-cw/2, points)
		return cw
	}
	d.charTable['"'] = func() float64 {
		d.Line(0, 1500, 0, 1000)
		d.Line(400, 1500, 400, 1000)
		return 400
	}
	d.charTable['\''] = func() float64 {
		d.Line(0, 1500, 0, 1000)
		return 200
	}
	d.charTable['#'] = func() float64 {
		w := 1000.0
		h := 1500.0
		s := 350.0
		slant := 200.0
		scaledSlant := slant / h * s
		d.Line(-scaledSlant, -s/2+h/2, w-scaledSlant, -s/2+h/2)
		d.Line(scaledSlant, s/2+h/2, w+scaledSlant, +s/2+h/2)
		d.Line(-s/2+w/2-slant, 0, -s/2+w/2+slant, h)
		d.Line(s/2+w/2-slant, 0, s/2+w/2+slant, h)
		return w
	}
	d.charTable['$'] = func() float64 {
		m := 10.0 // angle where curves meet
		e := 73.0 // angle at ends of curves
		ey := 300.0
		ex := ey * 1.2593
		oy := 1500.0 * 1 / (1 + .9)
		pointsT := d.Arc(ex*.9, ey*.9, 180+m, e, 0.0)
		pointsB := d.Arc(ex, ey, 360+m, 180+e, 0.0)
		w := pointsB.Width()
		j := LineByAngleAndAzimuith(m+90, 140)
		d.DrawPathOriginAtCenter(w/2-20, oy, j)
		je := j.End()
		js := j.Start()
		d.DrawPathOriginAtStart(js.X+w/2-20, js.Y+oy, pointsT)
		d.DrawPathOriginAtStart(je.X+w/2-20, je.Y+oy, pointsB)
		d.Line(w/2-20, 0, w/2-20, 1500)
		return w - 40
	}
	d.charTable['*'] = func() float64 {
		hoff := 200.0
		dia := 700.0
		rad := dia / 2
		voff := 1500.0 - rad

		d.Line(hoff, voff+rad, hoff, voff-rad) // |

		dx := rad * .86
		dy := rad * .5

		d.Line(-dx+hoff, -dy+voff, dx+hoff, dy+voff) // -
		d.Line(-dx+hoff, dy+voff, dx+hoff, -dy+voff) // -
		return dx * 1.3
	}
	d.charTable['='] = func() float64 {
		d.Line(0, 570, 550, 570)
		d.Line(0, 570+350, 550, 570+350)
		return 550
	}
	d.charTable['.'] = func() float64 {
		points := d.Arc(50, 50, 0, 360, 0)
		d.DrawPathOriginAtCenter(0, 50, points)
		return 1
	}
	d.charTable[','] = func() float64 {
		a := 20.0
		points := d.Arc(50, 50, 0, 360, 90+a)
		_, _, x, y := d.DrawPathOriginAtCenter(0, 50, points)
		p2 := LineByAngleAndAzimuith(180+a, 300)
		d.DrawPathOriginAtStart(x, y, p2)
		return 100
	}
	d.charTable['-'] = func() float64 {
		d.Line(0, 750, 500, 750)
		return 500
	}
	d.charTable['–'] = func() float64 { // en dash
		d.Line(0, 750, 750, 750)
		return 750
	}
	d.charTable['—'] = func() float64 { // em dash
		d.Line(0, 750, 1500, 750)
		return 1500

	}
	d.charTable['0'] = func() float64 {
		points := d.Arc(550, 750, 0, 360, 0)
		d.DrawPathOriginAtCenter(550, 750, points)
		return points.Width()
	}
	d.charTable['1'] = func() float64 {
		d.MoveTo(150, 1500)
		d.LineTo(150, 0)
		return 300
	}
	d.charTable['2'] = func() float64 {
		a := 60.0
		p1 := d.Arc(470, 390, 270, 90+a, 0.0)
		p2 := d.Arc(500, 600, 270, 270+a, 0.0)
		p3 := LineByAngleAndAzimuith(a, 500)
		w := p1.Width() + 50
		d.MoveTo(w, 0)
		d.LineTo(0, 0)
		_, _, x, y := d.DrawPathOriginAtStart(0, 0, p2)
		_, _, x, y = d.DrawPathOriginAtStart(x, y, p3)
		d.DrawPathOriginAtEnd(x, y, p1)
		return w
	}
	d.charTable['3'] = func() float64 {
		a := 70.0
		p2 := d.Arc(2300/2, 1450/2, 95, 90+a, 0.0)
		p1 := d.Arc(1000/2, 960/2, 270+a, 250, 0.0)
		x, y, _, _ := d.DrawPathOriginAtEnd(0, 300, p1)
		x, y, _, _ = d.DrawPathOriginAtEnd(x, y, p2)
		d.MoveTo(x, y)
		d.LineTo(0, y)
		return p1.Width()
	}
	d.charTable['4'] = func() float64 {
		d.MoveTo(830, 0)
		d.LineTo(830, 1500)
		d.LineTo(700, 1500)
		d.LineTo(0, 650)
		d.LineTo(0, 520)
		d.LineTo(1110, 520)
		return 1110
	}
	d.charTable['5'] = func() float64 {
		p1 := d.Arc(1000/2, 1010/2, 305, 240, 0.0)
		p2 := LineByAngleAndAzimuith(7, 720)
		x, y, _, _ := d.DrawPathOriginAtEnd(0, 230, p1)
		_, _, x, y = d.DrawPathOriginAtStart(x, y, p2)
		d.MoveTo(x, y)
		d.LineTo(x+700, y)
		return p1.Width()
	}
	d.charTable['6'] = func() float64 {
		a := 90.0
		p1 := d.Arc(960/2, 810/2, 270, 270-a, 0.0)
		p2 := d.Arc(1100/2, 1500/2, 270-a, 50, 0.0)
		p3 := LineByAngleAndAzimuith(-a, 0)
		_, _, x, y := d.DrawPathOriginAtCenter(960/2+70, 810/2, p1)
		_, _, x, y = d.DrawPathOriginAtStart(x, y, p3)
		d.DrawPathOriginAtStart(x, y, p2)
		return 900
	}
	d.charTable['7'] = func() float64 {
		p1 := d.Arc(2000/2, 2860/2, 270, 337, 0.0)
		d.MoveTo(0, 1500)
		d.LineTo(1050, 1500)
		d.LineTo(1050, 1500-130)
		d.DrawPathOriginAtEnd(1050, 1500-130, p1)
		return 1050
	}
	d.charTable['8'] = func() float64 {
		ex := 500.0
		ey := 400.0
		oy := 790.0
		pointsT := d.Arc(ex*.9, ey*.9, 180, 180, 0.0)
		pointsB := d.Arc(ex, ey, 0, 0, 0.0)
		w := pointsB.Width()
		d.DrawPathOriginAtStart(w/2, oy, pointsT)
		d.DrawPathOriginAtStart(w/2, oy, pointsB)
		return w
	}
	d.charTable['9'] = func() float64 {
		a := 90.0
		p1 := d.Arc(960/2, 810/2, 270, 270-a, 180)
		p2 := d.Arc(1100/2, 1500/2, 270-a, 50, 180)
		p3 := LineByAngleAndAzimuith(-a, 0)
		_, _, x, y := d.DrawPathOriginAtCenter(960/2, 1100, p1)
		_, _, x, y = d.DrawPathOriginAtStart(x, y, p3)
		d.DrawPathOriginAtStart(x, y, p2)
		return 900 + 70

	}
	d.charTable['A'] = func() float64 {
		d.MoveTo(0, 0)
		d.LineTo(520, 1500)
		d.LineTo(520+130, 1500)
		d.LineTo(520+130+520, 0)
		d.MoveTo(114.411, 330)
		d.LineTo(1055.589, 330)
		return 1170
	}
	d.charTable['B'] = func() float64 {
		d.MoveTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(620, 1500)
		t := d.Arc(350, 350, 0, 180, 0)
		b := d.Arc(400, 400, 0, 180, 0)
		_, _, x, y := d.DrawPathOriginAtStart(620, 1500, t)
		d.DrawPathOriginAtStart(x, y, b)
		d.LineTo(0, 0)
		d.MoveTo(x, y)
		d.LineTo(0, y)
		return x + 400
	}
	d.charTable['C'] = func() float64 {
		a := 25.0
		points := d.Arc(1140/2, 1540/2, 90+a, 90-a, 0)
		x, _, _, _ := d.DrawPathOriginAtCenter(-points.Left()-20, 1500/2, points)
		return x - 20
	}
	d.charTable['D'] = func() float64 {
		d.MoveTo(460, 0)
		d.LineTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(460, 1500)
		points := d.Arc(1120/2, 1500/2, 0, 180, 0)
		d.DrawPathOriginAtStart(460, 1500, points)
		return 460 + 1120/2 - 20
	}
	d.charTable['E'] = func() float64 {
		d.MoveTo(1000, 0)
		d.LineTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(1000, 1500)
		d.MoveTo(0, 800)
		d.LineTo(670, 800)
		return 1000
	}
	d.charTable['F'] = func() float64 {
		d.MoveTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(1000, 1500)
		d.MoveTo(0, 800)
		d.LineTo(670, 800)
		return 1000
	}
	d.charTable['G'] = func() float64 {
		a := 30.0
		points := d.Arc(1140/2, 1540/2, 90+a, 90-a, 0)
		x, y, _, _ := d.DrawPathOriginAtCenter(-points.Left()-20, 1500/2, points)
		d.MoveTo(x, y)
		d.LineTo(x, y+450)
		d.LineTo(x-380, y+450)
		return x
	}
	d.charTable['H'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(0, 0)
		d.MoveTo(1000, 1500)
		d.LineTo(1000, 0)
		d.MoveTo(0, 800)
		d.LineTo(1000, 800)
		return 1000
	}
	d.charTable['I'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(0, 0)
		return 1
	}
	d.charTable['J'] = func() float64 {
		points := d.Arc(740/2, 1000/2, 90, 270, 0)
		x, y, _, _ := d.DrawPathOriginAtStart(740, 480, points)
		d.MoveTo(x, y)
		d.LineTo(x, 1500)
		return 740
	}
	d.charTable['K'] = func() float64 {
		d.Line(0, 0, 0, 1500)
		d.Line(0, 558, 1000, 1500)   // upper leg 560,1000
		d.Line(370, 906.54, 1000, 0) // lower leg
		return 1000
	}
	d.charTable['L'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(0, 0)
		d.LineTo(1000, 0)
		return 1000
	}
	d.charTable['M'] = func() float64 {
		d.MoveTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(100, 1500)
		d.LineTo(630, 0)
		d.LineTo(1160, 1500)

		d.LineTo(1260, 1500)
		d.LineTo(1260, 0)
		return 1260
	}
	d.charTable['N'] = func() float64 {
		d.MoveTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(75, 1500)
		d.LineTo(916, 0)
		d.LineTo(991, 0)
		d.LineTo(991, 1500)
		return 991
	}
	d.charTable['O'] = func() float64 {
		points := d.Arc(1140/2, 1540/2, 0, 0, 0)
		d.DrawPathOriginAtCenter(1100/2, 1500/2, points)
		return 1100
	}
	d.charTable['P'] = func() float64 {
		d.MoveTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(550, 1500)
		points := d.Arc(780/2, 780/2, 0, 180, 0)
		_, _, x, y := d.DrawPathOriginAtStart(550, 1500, points)
		d.MoveTo(x, y)
		d.LineTo(0, y)
		return 550 + 780/2
	}
	d.charTable['Q'] = func() float64 {
		points := d.Arc(1140/2, 1540/2, 150, 150, 0)
		_, _, x, y := d.DrawPathOriginAtCenter(-points.Left(), 1500/2, points)
		j := LineByAngleAndAzimuith(150, 250)
		sx, sy, ex, ey := d.DrawPathOriginAtCenter(x, y, j)
		p2 := d.Arc(300/2, 300/2, 10, 150-90, 0)
		d.DrawPathOriginAtEnd(sx, sy, p2)
		p3 := d.Arc(300/2, 300/2, 10, 150-90, 180)
		d.DrawPathOriginAtEnd(ex, ey, p3)
		return points.Width()
	}
	d.charTable['R'] = func() float64 {
		d.MoveTo(0, 0)
		d.LineTo(0, 1500)
		d.LineTo(670, 1500)
		points := d.Arc(750/2, 750/2, 0, 180, 0)
		_, _, x, y := d.DrawPathOriginAtStart(670, 1500, points)
		d.MoveTo(x, y)
		d.LineTo(0, y)
		d.MoveTo(x, y)
		d.LineTo(670+780/2, 0)
		return 670 + 780/2
	}
	d.charTable['S'] = func() float64 {
		m := 10.0
		e := 73.0
		ex := 500.0
		ey := 400.0
		oy := 790.0
		conn := 0.55 * ey
		pointsT := d.Arc(ex*.9, ey*.9, 180+m, e, 0.0)
		pointsB := d.Arc(ex, ey, 360+m, 180+e, 0.0)
		w := pointsB.Width()
		j := LineByAngleAndAzimuith(m+90, conn)
		d.DrawPathOriginAtCenter(w/2-20, oy, j)
		je := j.End()
		js := j.Start()
		d.DrawPathOriginAtStart(js.X+w/2-20, js.Y+oy, pointsT)
		d.DrawPathOriginAtStart(je.X+w/2-20, je.Y+oy, pointsB)
		return w - 40
	}
	d.charTable['T'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(1200, 1500)
		d.MoveTo(600, 1500)
		d.LineTo(600, 0)
		return 1200
	}
	d.charTable['U'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(0, 0+750/2-20)
		p := d.Arc(1000/2, 750/2, 90, 270, 0.0)
		x, y, _, _ := d.DrawPathOriginAtEnd(0, 0+750/2-20, p)
		d.MoveTo(x, 1500)
		d.LineTo(x, y)
		return x
	}
	d.charTable['V'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(600, 0)
		d.LineTo(1200, 1500)
		return 1200
	}
	d.charTable['W'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(400, 0)
		d.LineTo(800, 1500)
		d.LineTo(1200, 0)
		d.LineTo(1600, 1500)
		return 1600
	}
	d.charTable['X'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(1050, 0)
		d.MoveTo(1050, 1500)
		d.LineTo(0, 0)
		return 1050
	}
	d.charTable['Y'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(1120/2, 760)
		d.MoveTo(1120, 1500)
		d.LineTo(1120/2, 760)
		d.LineTo(1120/2, 0)
		return 1120
	}
	d.charTable['Z'] = func() float64 {
		d.MoveTo(0, 1500)
		d.LineTo(1000, 1500)
		d.LineTo(0, 0)
		d.LineTo(1000, 0)
		return 1000
	}
	d.charTable['&'] = func() float64 {
		oy := 820.0
		a := 15.0

		pointsT := d.Arc(970/2, 680/2, 180, 180, 0.0)
		pointsB := d.Arc(1100/2, 820/2, 90+a, 360, 0.0)

		pointsF1 := d.Arc(1550/2, 1650/2, 0, 90, 0.0)
		pointsF2 := d.Arc(1240/2, 1240/2, 270+a, 330, 0.0)
		w := 1100.0
		d.DrawPathOriginAtStart(w/2, oy, pointsT)
		x, y, _, _ := d.DrawPathOriginAtEnd(w/2, oy, pointsB)
		d.DrawPathOriginAtStart(w/2, oy, pointsF1)
		d.DrawPathOriginAtStart(x, y, pointsF2)

		return pointsF2.Width() + x

	}
}

func (d *drawer) dumpCharTable() {
	for r, f := range d.charTable {
		fmt.Printf("%s %0.2f\n",string(r),f())
	}
}

func (d *drawer) drawChar(char rune) float64 {

	if d.charTable[char] != nil {
		return d.charTable[char]()
	}
	return 0.0
}

func LineByAngleAndAzimuith(angle float64, l float64) Path {
	angle = radians(angle)
	return Path{
		points: []Point{
			Point{
				X: -math.Sin(angle) * l / 2,
				Y: -math.Cos(angle) * l / 2,
			},
			Point{
				X: math.Sin(angle) * l / 2,
				Y: math.Cos(angle) * l / 2,
			},
		},
	}
}

func degrees(x float64) float64 {
	return x / (math.Pi / 180)
}

func EllipseByTwoPathAndCenter(cx, cy, p1x, p1y, p2x, p2y, t float64) (float64, float64) {
	t = radians(t)
	return cx + math.Sin(t)*(p1x-cx) + math.Cos(t)*(p2x-cx), cy + math.Sin(t)*(p1y-cy) + math.Cos(t)*(p2y-cy)

}

func EllipseByThreePath(bx, by, cx, cy, dx, dy, t float64) (float64, float64) {
	t = radians(t)
	x := 0.5*dx + 0.5*bx + math.Sin(t)*(0.5*bx-0.5*dx) + math.Cos(t)*(cx-0.5*dx-0.5*bx)
	y := 0.5*dy + 0.5*by + math.Sin(t)*(0.5*by-0.5*dy) + math.Cos(t)*(cy-0.5*dy-0.5*by)
	return x, y
}

func a(x, y float64) {

}

func radians(x float64) float64 {
	return x * math.Pi / 180
}



type drawer struct {
	skew  float64
	c     *draw2dimg.GraphicContext
	tx    float64
	ty    float64
	scale float64
	charTable map[rune]func() float64
}

func (d *drawer) SetLineWidth(w float64) {
	d.c.SetLineWidth(w)
}

func (d *drawer) SetXHeight(h float64) {
	d.scale = h / 1000
}

func (d *drawer) Line(x1, y1, x2, y2 float64) {
	d.MoveTo(x1, y1)
	d.LineTo(x2, y2)
}

func (d *drawer) Translate(x, y float64) {
	d.tx = x
	d.ty = y
}

func (d *drawer) AdvanceX(x float64) {
	d.tx += x
}

func (d *drawer) AdvanceY(y float64) {
	d.ty += y
}

func (d *drawer) transform(x, y float64) (float64, float64) {
	return (d.tx + x + (500-y)*d.skew) * d.scale, (d.ty + (500 - y)) * d.scale
}

func (d *drawer) MoveTo(x, y float64) {
	d.c.MoveTo(d.transform(x, y))
}

func (d *drawer) LineTo(x, y float64) {
	d.c.LineTo(d.transform(x, y))
}



func (d *drawer) Close() {
}




func (d *drawer) Stroke() {
	d.c.Stroke()
}

func (d *drawer) Mark(x, y float64) {
	saveX, saveY := d.c.LastPoint()
	s := 10.0
	d.MoveTo(x-s, y-s)
	d.LineTo(x+s, y+s)
	d.MoveTo(x+s, y-s)
	d.LineTo(x-s, y+s)
	d.MoveTo(saveX, saveY)

}

func rotate(x, y, a float64) (float64, float64) {
	s := math.Sin(a)
	c := math.Cos(a)
	xr := x*c - y*s
	yr := x*s + y*c
	return xr, yr
}

func ellipsify(θ float64, a float64, b float64) float64 {
	θ = math.Mod(θ, 2*math.Pi)
	negative := false
	if θ < 0.0 {
		negative = true
		θ = -θ
	}
	θo := math.Atan(a / b * math.Tan(θ))
	θc := θo
	if θ > math.Pi/2 && θ <= 1.5*math.Pi {
		θc = math.Pi + θo
	} else {
		θc = math.Mod(2*math.Pi+θo, 2*math.Pi)
	}
	if negative {
		θc = -θc
	}
	//	fmt.Printf("θ %0.2f θo %0.2f θc %0.2f\n",degrees(θ),degrees(θo),degrees(θc))
	return θc
}

type Paths []Path

type Point struct {
	X float64
	Y float64
}

type Path struct {
	points []Point
}

func line(a Point, b Point) (float64, float64) {
	slope := (b.Y - a.Y) / (b.X - a.X)
	yint := a.Y - slope*a.X
	return slope, yint
}

func intersection(l1a Point, l1b Point, l2a Point, l2b Point) (Point, error) {
	l1Slope, l1Yint := line(l1a, l1b)
	l2Slope, l2Yint := line(l2a, l2b)
	if l1Slope == l2Slope {
		return Point{}, fmt.Errorf("The lines do not intersect")
	}
	e := (l2Yint - l1Yint) / (l1Slope - l2Slope)
	n := l1Slope*e + l1Yint
	return Point{X: e, Y: n}, nil
}

func (p *Path) Start() Point {
	return Point{X: p.points[0].X, Y: p.points[0].Y}
}

func (p *Path) End() Point {
	return Point{X: p.points[len(p.points)-1].X, Y: p.points[len(p.points)-1].Y}
}

func (p *Path) Left() float64 {
	minX := p.points[0].X
	for i := 0; i < len(p.points); i++ {
		if p.points[i].X < minX {
			minX = p.points[i].X
		}
	}
	return minX
}

func (p *Path) Width() float64 {
	minX := p.points[0].X
	maxX := minX

	for i := 0; i < len(p.points); i++ {
		if p.points[i].X < minX {
			minX = p.points[i].X
		}
		if p.points[i].X > maxX {
			maxX = p.points[i].X
		}
	}
	return maxX - minX
}

func (p *Path) Height() float64 {
	minY := p.points[0].Y
	maxY := minY

	for i := 0; i < len(p.points); i++ {
		if p.points[i].Y < minY {
			minY = p.points[i].Y
		}
		if p.points[i].Y > maxY {
			maxY = p.points[i].Y
		}
	}
	return maxY - minY
}

func (p *Path) Append(x, y float64) {
	p.points = append(p.points, Point{X: x, Y: y})
}

func (d *drawer) DrawPathOriginAtCenter(x, y float64, points Path) (startX, startY, endX, endY float64) {
	o := Point{}
	for i, p := range points.points {
		if i == 0 {
			d.MoveTo(p.X-o.X+x, p.Y-o.Y+y)
		} else {
			d.LineTo(p.X-o.X+x, p.Y-o.Y+y)
		}
	}
	start := points.points[0]
	end := points.points[len(points.points)-1]
	return start.X - o.X + x, start.Y - o.Y + y, end.X - o.X + x, end.Y - o.Y + y

}

func (d *drawer) DrawPathOriginAtStart(x, y float64, points Path) (startX, startY, endX, endY float64) {
	o := points.points[0]
	for i, p := range points.points {
		if i == 0 {
			d.MoveTo(p.X-o.X+x, p.Y-o.Y+y)
		} else {
			d.LineTo(p.X-o.X+x, p.Y-o.Y+y)
		}
	}
	end := points.points[len(points.points)-1]
	return x, y, end.X - o.X + x, end.Y - o.Y + y

}

func (d *drawer) DrawPathOriginAtEnd(x, y float64, points Path) (startX, startY, endX, endY float64) {
	o := points.End()
	for i := len(points.points) - 1; i >= 0; i-- {
		p := points.points[i]
		if i == len(points.points)-1 {
			d.MoveTo(p.X-o.X+x, p.Y-o.Y+y)
		} else {
			d.LineTo(p.X-o.X+x, p.Y-o.Y+y)
		}
	}
	start := points.points[0]
	return start.X - o.X + x, start.Y - o.Y + y, x, y
}

// Arc computes a rotated circle or ellipse, and returns the points
// x,y = center
// a,b = ellipse semi-axes
// start = start angle, 0° = up
// end = end angle, 0° = up
// rot = rotation angle of ellipse, clockwise
// The arc is drawn between start and end. If end < start, the arc is drawn between end and start.
// start=0,end=90 draws a 90 degree arc segment between 0 and 90
// start=90,end=0 draws a 270 degree arc segment between 90 and 0
func (d *drawer) Arc(a, b, start, end, rot float64) Path {

	rot = radians(rot)
	if math.Mod(start, 360) == math.Mod(end, 360) {
		// closed arc
		start = radians(start)
		end = start + 2*math.Pi
	} else {
		// adjust arc end angles to draw tangent angles
		start = ellipsify(radians(start), a, b)
		end = ellipsify(radians(end), a, b)
	}
	if start > end {
		// drawing counter-clockwise
		end = end + 2*math.Pi
	}

	ra := (math.Abs(a) + math.Abs(b)) / 2
	da := math.Acos(ra/(ra+0.125)) * 2

	angle := start

	startX, startY := roticate(a, b, start, 0, 0, rot)

	points := Path{points: []Point{Point{startX, startY}}}

	var cua, cub float64
	i := 0
	for {
		if angle > end-da/4 {
			cua, cub = roticate(a, b, end, 0, 0, rot)
			points.points = append(points.points, Point{cua, cub})
			return points
		}
		cua, cub = roticate(a, b, angle, 0, 0, rot)
		angle += da
		points.points = append(points.points, Point{cua, cub})
		i++
	}
}

func roticate(a, b, θ, offx, offy, rot float64) (float64, float64) {
	x := math.Sin(θ) * a
	y := math.Cos(θ) * b
	s := math.Sin(-rot)
	c := math.Cos(-rot)
	xr := x*c - y*s + offx
	yr := x*s + y*c + offy
	return xr, yr
}









type renderedGlyph struct {
	path Path
	width float64
}


type capturer struct {
	skew  float64
	scale float64
	glyphs map[rune]renderedGlyph
	paths Paths
	path Path
}

func (d *capturer) SetXHeight(h float64) {
	d.scale = h / 1000
}

func (d *capturer) Line(x1, y1, x2, y2 float64) {
	d.MoveTo(x1, y1)
	d.LineTo(x2, y2)
}



func (d *capturer) transform(x, y float64) (float64, float64) {
	return (x + (500-y)*d.skew) * d.scale, (500-y)* d.scale
}

func (d *capturer) MoveTo(x, y float64) {
	if len(d.path.points)>1 {
		d.paths = append(d.paths,d.path)
		fmt.Println("saving path", len(d.paths))
	}
	d.path = Path{points:[]Point{Point{X:x, Y:y}}}
}

func (d *capturer) LineTo(x, y float64) {
	d.path.Append(x,y)
}

func (d *capturer) Close() {
	if len(d.path.points)>1 {
		d.paths = append(d.paths,d.path)
		fmt.Println("saving path", len(d.paths))
	}
	d.path = Path{}
}

func (d *capturer) DumpPaths() {
	fmt.Println(d.paths)
	d.paths=make(Paths,0)
}