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Golang openvg.End函数代码示例

本文整理汇总了Golang中github.com/ajstarks/openvg.End函数的典型用法代码示例。如果您正苦于以下问题:Golang End函数的具体用法?Golang End怎么用?Golang End使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了End函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: tb

// tb draws a block of text
func tb(w, h int) {
	para := []string{
		"For lo,",
		"the winter is past,",
		"the rain is over and gone",
		"the flowers appear on the earth;",
		"the time for the singing of birds is come,",
		"and the voice of the turtle is heard in our land",
	}

	tmargin := float64(w) * 0.50
	lmargin := float64(w) * 0.10
	top := float64(h) * .9
	mid := float64(h) * .6
	bot := float64(h) * .3

	fontsize := 24
	leading := 40.0
	lfontsize := fontsize * 2
	midb := ((leading * 2) + (leading / 2)) - float64(lfontsize/2)

	openvg.Start(w, h)
	openvg.FillRGB(49, 79, 79, 1)
	textlines(tmargin, top, para, "serif", fontsize, leading)
	textlines(tmargin, mid, para, "sans", fontsize, leading)
	textlines(tmargin, bot, para, "mono", fontsize, leading)
	openvg.Text(lmargin, top-midb, "Serif", "sans", lfontsize)
	openvg.Text(lmargin, mid-midb, "Sans", "sans", lfontsize)
	openvg.Text(lmargin, bot-midb, "Mono", "sans", lfontsize)
	openvg.End()
}
开发者ID:sequoiar,项目名称:openvg,代码行数:32,代码来源:shapedemo.go

示例2: imagetest

// imgtest draws images at the corners and center
func imagetest(w, h int) {
	openvg.Start(w, h)
	imgw := 422
	imgh := 238
	fiw := float64(imgw)
	fih := float64(imgh)
	fw := float64(w)
	fh := float64(h)
	cx := (fw / 2) - (fiw / 2)
	cy := (fh / 2) - (fih / 2)
	ulx := 0.0
	uly := fh - fih
	urx := fw - fiw
	ury := uly
	llx := 0.0
	lly := 0.0
	lrx := urx
	lry := lly
	openvg.Start(w, h)
	openvg.Background(0, 0, 0)
	openvg.Image(cx, cy, imgw, imgh, "desert1.jpg")
	openvg.Image(ulx, uly, imgw, imgh, "desert2.jpg")
	openvg.Image(urx, ury, imgw, imgh, "desert3.jpg")
	openvg.Image(llx, lly, imgw, imgh, "desert4.jpg")
	openvg.Image(lrx, lry, imgw, imgh, "desert5.jpg")
	openvg.End()
}
开发者ID:sequoiar,项目名称:openvg,代码行数:28,代码来源:shapedemo.go

示例3: rshapes

// rshapes draws shapes with random colors, openvg.Strokes, and sizes.
func rshapes(width, height, n int) {

	var sx, sy, cx, cy, px, py, ex, ey, pox, poy float64

	np := 10
	polyx := make([]float64, np)
	polyy := make([]float64, np)
	openvg.Start(width, height)
	for i := 0; i < n; i++ {
		openvg.FillRGB(randcolor(), randcolor(), randcolor(), rand.Float64())
		openvg.Ellipse(randf(width), randf(height), randf(200), randf(100))
		openvg.Circle(randf(width), randf(height), randf(100))
		openvg.Rect(randf(width), randf(height), randf(200), randf(100))
		openvg.Arc(randf(width), randf(height), randf(200), randf(200), randf(360), randf(360))

		sx = randf(width)
		sy = randf(height)
		openvg.StrokeRGB(randcolor(), randcolor(), randcolor(), 1)
		openvg.StrokeWidth(randf(5))
		openvg.Line(sx, sy, sx+randf(200), sy+randf(100))
		openvg.StrokeWidth(0)

		sx = randf(width)
		sy = randf(height)
		ex = sx + randf(200)
		ey = sy
		cx = sx + ((ex - sx) / 2.0)
		cy = sy + randf(100)
		openvg.Qbezier(sx, sy, cx, cy, ex, ey)

		sx = randf(width)
		sy = randf(height)
		ex = sx + randf(200)
		ey = sy
		cx = sx + ((ex - sx) / 2.0)
		cy = sy + randf(100)
		px = cx
		py = sy - randf(100)
		openvg.Cbezier(sx, sy, cx, cy, px, py, ex, ey)

		pox = randf(width)
		poy = randf(height)
		for j := 0; j < np; j++ {
			polyx[j] = pox + randf(200)
			polyy[j] = poy + randf(100)
		}
		openvg.Polygon(polyx, polyy) // , np)

		pox = randf(width)
		poy = randf(height)
		for j := 0; j < np; j++ {
			polyx[j] = pox + randf(200)
			polyy[j] = poy + randf(100)
		}
		openvg.Polyline(polyx, polyy) // , np)
	}
	openvg.FillRGB(128, 0, 0, 1)
	openvg.Text(20, 20, "OpenVG on the Raspberry Pi", "sans", 32)
	openvg.End()
}
开发者ID:sequoiar,项目名称:openvg,代码行数:61,代码来源:shapedemo.go

示例4: main

func main() {
	var cx, cy, cw, ch, midy int
	message := "Now is the time for all good men to come to the aid of the party"

	w, h := openvg.Init()
	var speed openvg.VGfloat = 15.0
	var x openvg.VGfloat = 0
	midy = (h / 2)
	fontsize := w / 50
	cx = 0
	ch = fontsize * 2
	cw = w
	cy = midy - (ch / 2)

	rx, ry, rw, rh := openvg.VGfloat(cx), openvg.VGfloat(cy), openvg.VGfloat(cw), openvg.VGfloat(ch)
	// scroll the text, only in the clipping rectangle
	for x = 0; x < rw+speed; x += speed {
		openvg.Start(w, h)
		openvg.Background(255, 255, 255)
		openvg.FillRGB(0, 0, 0, .2)
		openvg.Rect(rx, ry, rw, rh)
		openvg.ClipRect(cx, cy, cw, ch)
		openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
		openvg.FillRGB(0, 0, 0, 1)
		openvg.Text(0, 0, message, "sans", fontsize)
		openvg.ClipEnd()
		openvg.End()
	}
	bufio.NewReader(os.Stdin).ReadBytes('\n')
	openvg.Finish()
	os.Exit(0)
}
开发者ID:jhautefeuille,项目名称:openvg,代码行数:32,代码来源:clip.go

示例5: main

func main() {
	var color string
	openvg.Start(width, height)
	openvg.Background(200, 200, 200)
	for i := 0; i < niter; i++ {
		x := random(0, width)
		y := random(height/3, (height*2)/3)
		r := random(0, 10000)
		switch {
		case r >= 0 && r <= 2500:
			color = "white"
		case r > 2500 && r <= 5000:
			color = "maroon"
		case r > 5000 && r <= 7500:
			color = "gray"
		case r > 7500 && r <= 10000:
			color = "black"
		}
		openvg.FillColor(color, openvg.VGfloat(opacity))
		openvg.Circle(openvg.VGfloat(x), openvg.VGfloat(y), openvg.VGfloat(size))
	}
	openvg.End()
	bufio.NewReader(os.Stdin).ReadByte()
	openvg.Finish()
}
开发者ID:jhautefeuille,项目名称:openvg,代码行数:25,代码来源:bubtrail.go

示例6: main

// show the current time, weather and headlines
func main() {
	var (
		section    = flag.String("h", "u.s.", "headline type (arts, health, sports, science, technology, u.s., world, hn)")
		location   = flag.String("loc", "40.6213,-74.4395", "lat,long for weather")
		bgcolor    = flag.String("bg", "slateblue", "background color")
		textcolor  = flag.String("tc", "white", "text color")
		width      = flag.Int("width", 0, "screen width")
		height     = flag.Int("height", 0, "screen height")
		smartcolor = flag.Bool("sc", false, "smart colors")
		thumb      = flag.Bool("tn", false, "show thumbnails")
	)
	flag.Parse()

	// initial display
	dw, dh := openvg.Init()
	if *width > 0 && *height > 0 {
		dw, dh = *width, *height
	}
	openvg.Start(dw, dh)
	canvas := display{
		width:     openvg.VGfloat(dw),
		height:    openvg.VGfloat(dh),
		bgcolor:   *bgcolor,
		textcolor: *textcolor,
	}
	canvas.countdown()
	openvg.End()
	canvas.clock(*smartcolor)
	canvas.weather(*location)
	canvas.headlines(*section, *thumb)

	// update on specific intervals, shutdown on interrupt
	dateticker := time.NewTicker(1 * time.Minute)
	weatherticker := time.NewTicker(5 * time.Minute)
	headticker := time.NewTicker(10 * time.Minute)
	sigint := make(chan os.Signal, 1)
	signal.Notify(sigint, os.Interrupt)

	for {
		select {
		case <-dateticker.C:
			canvas.clock(*smartcolor)
		case <-weatherticker.C:
			canvas.weather(*location)
		case <-headticker.C:
			canvas.headlines(*section, *thumb)
		case <-sigint:
			openvg.Finish()
			os.Exit(0)
		}
	}
}
开发者ID:Ebiroll,项目名称:openvg,代码行数:53,代码来源:twh.go

示例7: raspi

// raspberry pi, scaled to the screen dimensions
func raspi(w, h int, s string) {
	midx := float64(w) / 2
	midy := float64(h) / 2
	rw := midx
	rh := (rw * 2) / 3
	fontsize := w / 25
	openvg.Start(w, h)
	openvg.Background(255, 255, 255)
	makepi(midx-(rw/2), midy-(rh/2), rw, rh)
	openvg.FillRGB(128, 0, 0, 1)
	openvg.TextMid(midx, midy-(rh/2)-float64(fontsize*2), s, "sans", fontsize)
	openvg.End()
}
开发者ID:sequoiar,项目名称:openvg,代码行数:14,代码来源:shapedemo.go

示例8: draw

func draw(w, h openvg.VGfloat) {
	paintBG(w, h)

	var p particle
	var grav = openvg.VGfloat(gravity)
	for i := 0; i < nparticles; i++ {
		p = particles[i]
		openvg.FillRGB(p.r, p.g, p.b, 1)
		openvg.Circle(p.x, p.y, p.radius)

		// Apply the velocity
		p.x += p.vx
		p.y += p.vy

		p.vx *= 0.98
		if p.vy > 0 {
			p.vy *= 0.97
		}

		// Gravity
		p.vy -= grav

		// Stop p leaving the canvas
		if p.x < -50 {
			p.x = w + 50
		}
		if p.x > w+50 {
			p.x = -50
		}

		// When particle reaches the bottom of screen reset velocity & start posn
		if p.y < -50 {
			p.x = 0
			p.y = 0
			p.vx = openvg.VGfloat(rand.Intn(maxrand)%30) + 30
			p.vy = openvg.VGfloat(rand.Intn(maxrand)%20) + 40

			if directionRTL {
				p.vx *= -1
				p.x = w
			}
		}

		if p.y > h+50 {
			p.y = -50
		}
		particles[i] = p
	}
	openvg.End()
}
开发者ID:jhautefeuille,项目名称:openvg,代码行数:50,代码来源:particles.go

示例9: planets

//planets is an exploration of scale
func planets(width, height int, message string) {

	w := float64(width)
	h := float64(height)
	y := h / 2

	margin := 100.0
	minsize := 7.0
	labeloc := 100.0
	bgcolor := "black"
	labelcolor := "white"
	maxsize := (h / 2) * 0.05

	origin := sun.distance
	mostDistant := neptune.distance
	firstSize := mercury.radius
	lastSize := neptune.radius

	openvg.Start(width, height)
	openvg.BackgroundColor(bgcolor)

	for _, p := range SolarSystem {
		x := vmap(p.distance, origin, mostDistant, margin, w-margin)
		r := vmap(p.radius, firstSize, lastSize, minsize, maxsize)

		if p.name == "Sun" {
			openvg.FillRGB(p.color.Red, p.color.Green, p.color.Blue, 1)
			openvg.Circle(margin-(r/2), y, r)
		} else {
			light(x, y, r, p.color)
			openvg.Circle(x, y, r)
			if p.name == "Saturn" {
				ringwidth := r * 2.35 // Saturn's rings are over 2x the planet radius
				openvg.StrokeWidth(3)
				openvg.StrokeRGB(p.color.Red, p.color.Green, p.color.Blue, 1)
				openvg.Line((x - ringwidth/2), y, (x + ringwidth/2), y)
				openvg.StrokeWidth(0)
			}
		}
		if p.name == "Earth" && len(message) > 1 {
			openvg.StrokeColor(labelcolor)
			openvg.StrokeWidth(1)
			openvg.Line(x, y+(r/2), x, y+labeloc)
			openvg.StrokeWidth(0)
			openvg.FillColor(labelcolor)
			openvg.TextMid(x, y+labeloc+10, message, "sans", 12)
		}
	}
	openvg.End()
}
开发者ID:sequoiar,项目名称:openvg,代码行数:51,代码来源:shapedemo.go

示例10: textplay

// textplay exercises text functions
func textplay(w, h int) {
	forlo := `For lo, the winter is past, the rain is over and gone. The flowers appear on the earth, the time for the singing of birds is come, and the voice of the turtle is heard in our land.`

	// forsince := `For since by man came death, by man came also the resurrection of the dead, for as in Adam all die, even so in Christ shall all be made alive.`

	openvg.Start(w, h)
	tw := 300.0
	for x, y := 50.0, float64(h)-100.0; x < float64(w/2); x += 400 {
		textwrap(x, y, tw, forlo, "sans", 12, 24, 0.25, "black")
		textwrap(x, y-400, tw, forlo, "sans", 12, 24, 0.5, "black")
		tw -= 100
	}
	openvg.End()
}
开发者ID:sequoiar,项目名称:openvg,代码行数:15,代码来源:shapedemo.go

示例11: main

// main plots data from specified files or standard input in a
// grid where plotc specifies the number of columns.
func main() {
	w, h := openvg.Init()
	openvg.Start(w, h)
	openvg.FillColor("white")
	openvg.Rect(0, 0, gwidth, gheight)
	filenames := flag.Args()
	if len(filenames) == 0 {
		doplot(beginx, beginy, "")
	} else {
		plotgrid(beginx, beginy, filenames)
	}
	openvg.End()
	bufio.NewReader(os.Stdin).ReadByte()
	openvg.Finish()
}
开发者ID:jhautefeuille,项目名称:openvg,代码行数:17,代码来源:vgplot.go

示例12: InitDisplay

func InitDisplay(iw, ih int) {
	sWidth, sHeight = openvg.Init()
	iWidth, iHeight = iw, ih
	out = make([]C.VGubyte, iw*ih*VG_CHANS)

	// clear screen to opaque black
	openvg.StartColor(sWidth, sHeight, "black", 1.0)
	openvg.End()

	// apply scale transform so images fill the screen
	ScaleImage(float64(sWidth)/float64(iWidth),
		float64(sHeight)/float64(iHeight))

	fmt.Printf("Image display initialised to (%d, %d)\n", iw, ih)
}
开发者ID:strangedevice,项目名称:slowcamera,代码行数:15,代码来源:display.go

示例13: main

func main() {

	width, height := openvg.Init()

	w := openvg.VGfloat(width)
	h := openvg.VGfloat(height)
	y := h / 2
	var (
		margin  openvg.VGfloat = 100.0
		minsize openvg.VGfloat = 7.0
		labeloc openvg.VGfloat = 100.0
	)
	bgcolor := "black"
	labelcolor := "white"
	maxsize := (h / 2) * 0.05

	origin := sun.distance
	mostDistant := neptune.distance
	firstSize := mercury.radius
	lastSize := neptune.radius

	openvg.Start(width, height)
	openvg.BackgroundColor(bgcolor)

	for _, p := range solarSystem {
		x := vmap(p.distance, origin, mostDistant, margin, w-margin)
		r := vmap(p.radius, firstSize, lastSize, minsize, maxsize)

		if p.name == "Sun" {
			openvg.FillRGB(p.color.Red, p.color.Green, p.color.Blue, 1)
			openvg.Circle(margin-(r/2), y, r)
		} else {
			light(x, y, r, p.color)
			openvg.Circle(x, y, r)
		}
		if p.name == "Earth" && len(os.Args) > 1 {
			openvg.StrokeColor(labelcolor)
			openvg.StrokeWidth(1)
			openvg.Line(x, y+(r/2), x, y+labeloc)
			openvg.StrokeWidth(0)
			openvg.FillColor(labelcolor)
			openvg.TextMid(x, y+labeloc+10, os.Args[1], "sans", 12)
		}
	}
	openvg.End()
	bufio.NewReader(os.Stdin).ReadByte()
	openvg.Finish()
}
开发者ID:jhautefeuille,项目名称:openvg,代码行数:48,代码来源:planets.go

示例14: clock

// clock displays the current time
func (d *display) clock(smartcolor bool) {
	if smartcolor {
		d.bgcolor = daycolor()
	}
	cdim := dimen{x: d.width / 2, y: d.height / 2, width: d.width / 2, height: d.height / 2}
	cdim.regionFill(d.bgcolor, d.textcolor)
	clocksize := d.width / 20
	cs := int(clocksize)
	x := d.width * 0.95
	y := d.height * 0.70

	now := time.Now()
	openvg.TextEnd(x, y, now.Format("3:04 pm"), "sans", cs)
	openvg.TextEnd(x, y+(clocksize*2), now.Format("Monday January _2"), "sans", cs/2)
	openvg.End()
}
开发者ID:Ebiroll,项目名称:openvg,代码行数:17,代码来源:twh.go

示例15: main

func main() {
	width, height := openvg.Init() // OpenGL, etc initialization

	w2 := float64(width / 2)
	h2 := float64(height / 2)
	w := float64(width)

	openvg.Start(width, height)                               // Start the picture
	openvg.BackgroundColor("black")                           // Black background
	openvg.FillRGB(44, 100, 232, 1)                           // Big blue marble
	openvg.Circle(w2, 0, w)                                   // The "world"
	openvg.FillColor("white")                                 // White text
	openvg.TextMid(w2, h2, "hello, world", "serif", width/10) // Greetings
	openvg.End()                                              // End the picture
	bufio.NewReader(os.Stdin).ReadBytes('\n')                 // Pause until [RETURN]
	openvg.Finish()                                           // Graphics cleanup
}
开发者ID:remogatto,项目名称:openvg,代码行数:17,代码来源:hellovg.go


注:本文中的github.com/ajstarks/openvg.End函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。