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Golang RGBA.SetRGBA方法代碼示例

本文整理匯總了Golang中image.RGBA.SetRGBA方法的典型用法代碼示例。如果您正苦於以下問題：Golang RGBA.SetRGBA方法的具體用法？Golang RGBA.SetRGBA怎麽用？Golang RGBA.SetRGBA使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類image.RGBA的用法示例。


在下文中一共展示了RGBA.SetRGBA方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: polygon

// Polygon.
func (avatar *Avatar) polygon(img *image.RGBA, points []image.Point, c color.RGBA) {
	// For each row
	for j := 0; j <= avatar.Y; j++ {

		// Build the list of Xs at which the row crosses a polygon edge
		intersect := make([]int, 0, len(points))
		adj := len(points) - 1
		for i, p := range points {
			q := points[adj]

			if (j > p.Y && j <= q.Y) || (j > q.Y && j <= p.Y) {
				x := int(float64(p.X) + (float64(j)-float64(p.Y))/(float64(q.Y)-float64(p.Y))*(float64(q.X)-float64(p.X)))
				intersect = append(intersect, x)
			}

			adj = i
		}

		// Sort the list f Xs
		sort.Ints(intersect)

		// Fill the pixels between node pairs
		for i := 0; i < len(intersect); i += 2 {
			for k := intersect[i]; k < intersect[i+1]; k++ {
				img.SetRGBA(k, j, c)
			}
		}
	}
}
開發者ID:Reenjii，項目名稱:bingo，代碼行數:30，代碼來源:avatar.go

示例2: PaintBG

func PaintBG(avatar *image.RGBA, bgColor color.RGBA) {
	for y := 0; y < AvatarSize; y++ {
		for x := 0; x < AvatarSize; x++ {
			avatar.SetRGBA(x, y, bgColor)
		}
	}
}
開發者ID:voidabhi，項目名稱:golang-scripts，代碼行數:7，代碼來源:avatar.go

示例3: rectangle

// Rectangle.
func rectangle(img *image.RGBA, rect image.Rectangle, c color.RGBA) {
	for i := rect.Min.X; i <= rect.Max.X; i++ {
		for j := rect.Min.Y; j <= rect.Max.Y; j++ {
			img.SetRGBA(i, j, c)
		}
	}
}
開發者ID:Reenjii，項目名稱:bingo，代碼行數:8，代碼來源:avatar.go

示例4: gradient

// Gradient.
func gradient(img *image.RGBA, from, to color.RGBA, x, y int, horizontal bool) {
	s := [3]float32{
		(float32(to.R) - float32(from.R)) / float32(x),
		(float32(to.G) - float32(from.G)) / float32(x),
		(float32(to.B) - float32(from.B)) / float32(x),
	}

	for i := 0; i < x; i++ {
		for j := 0; j < y; j++ {
			a, b := i, j
			if horizontal {
				a, b = j, i
			}
			img.SetRGBA(
				a,
				b,
				color.RGBA{
					uint8(float32(from.R) + float32(i)*s[0]),
					uint8(float32(from.G) + float32(i)*s[1]),
					uint8(float32(from.B) + float32(i)*s[2]),
					255,
				})
		}
	}
}
開發者ID:Reenjii，項目名稱:bingo，代碼行數:26，代碼來源:avatar.go

示例5: fillPixels

func fillPixels(avatar *image.RGBA, x, y int, pixelColor color.RGBA) {
	for i := x; i < x+PixelSize; i++ {
		for j := y; j < y+PixelSize; j++ {
			avatar.SetRGBA(i, j, pixelColor)
		}
	}
}
開發者ID:kiritym，項目名稱:go-avatar，代碼行數:7，代碼來源:patternHandler.go

示例6: drawGradient

func drawGradient(m *image.RGBA) {
	b := m.Bounds()
	for y := b.Min.Y; y < b.Max.Y; y++ {
		for x := b.Min.X; x < b.Max.X; x++ {
			if x%64 == 0 || y%64 == 0 {
				m.SetRGBA(x, y, color.RGBA{0xff, 0xff, 0xff, 0xff})
			} else if x%64 == 63 || y%64 == 63 {
				m.SetRGBA(x, y, color.RGBA{0x00, 0x00, 0xff, 0xff})
			} else {
				m.SetRGBA(x, y, color.RGBA{uint8(x), uint8(y), 0x00, 0xff})
			}
		}
	}

	// Round off the corners.
	const radius = 64
	lox := b.Min.X + radius - 1
	loy := b.Min.Y + radius - 1
	hix := b.Max.X - radius
	hiy := b.Max.Y - radius
	for y := 0; y < radius; y++ {
		for x := 0; x < radius; x++ {
			if x*x+y*y <= radius*radius {
				continue
			}
			m.SetRGBA(lox-x, loy-y, color.RGBA{})
			m.SetRGBA(hix+x, loy-y, color.RGBA{})
			m.SetRGBA(lox-x, hiy+y, color.RGBA{})
			m.SetRGBA(hix+x, hiy+y, color.RGBA{})
		}
	}
}
開發者ID:morero，項目名稱:exp，代碼行數:32，代碼來源:main.go

示例7: connect

/*
draws pixels to connect a line
*/
func (line Line) connect(img *image.RGBA) {
	points := line.generatePoints()
	black := color.RGBA{0, 0, 0, 255}
	for _, val := range points {
		img.SetRGBA(val.X, val.Y, black)
	}
}
開發者ID:pshrmn，項目名稱:stickman，代碼行數:10，代碼來源:stickman.go

示例8: DrawBasicCircle

//Taken from https://en.wikipedia.org/wiki/Midpoint_circle_algorithm
func DrawBasicCircle(myImage *image.RGBA, x_0, y_0, radius float64, colorGradient ColorGradient, isEdge bool) {
	if radius < 0 {
		return
	}
	x := radius
	y := float64(0)
	decisionOver2 := 1 - x
	for y <= x {
		for xM := float64(-1); xM < 2; xM += 2 {
			for yM := float64(-1); yM < 2; yM += 2 {
				if isEdge {
					myImage.SetRGBA(int(x_0+x*xM), int(y_0+y*yM), colorGradient.BorderColor())
					myImage.SetRGBA(int(x_0+y*xM), int(y_0+x*yM), colorGradient.BorderColor())
				} else {
					myImage.SetRGBA(int(x_0+x*xM), int(y_0+y*yM), colorGradient.GetColor(uint16(x_0+x*xM), uint16(y_0+y*yM)))
					myImage.SetRGBA(int(x_0+y*xM), int(y_0+x*yM), colorGradient.GetColor(uint16(x_0+y*xM), uint16(y_0+x*yM)))
				}
			}
		}
		y++
		if decisionOver2 <= 0 {
			decisionOver2 += 2*y + 1
		} else {
			x--
			decisionOver2 += 2*(y-x) + 1
		}
	}
}
開發者ID:ITR13，項目名稱:campusFighterI，代碼行數:29，代碼來源:ImageGenerator.go

示例9: drawGradient

func drawGradient(m *image.RGBA) {
	b := m.Bounds()
	for y := b.Min.Y; y < b.Max.Y; y++ {
		for x := b.Min.X; x < b.Max.X; x++ {
			m.SetRGBA(x, y, color.RGBA{uint8(x), uint8(y), 0x00, 0xff})
		}
	}
}
開發者ID:kleopatra999，項目名稱:exp，代碼行數:8，代碼來源:main.go

示例10: ellipse

// Ellipse.
func ellipse(img *image.RGBA, center, r image.Point, c color.RGBA) {
	for i := center.X - r.X; i <= center.X+r.X; i++ {
		for j := center.Y - r.Y; j <= center.Y+r.Y; j++ {
			if math.Pow((float64(i)-float64(center.X))/float64(r.X), 2)+math.Pow((float64(j)-float64(center.Y))/float64(r.Y), 2) <= 1.1 {
				img.SetRGBA(i, j, c)
			}
		}
	}
}
開發者ID:Reenjii，項目名稱:bingo，代碼行數:10，代碼來源:avatar.go

示例11: circle

// Circle.
func circle(img *image.RGBA, center image.Point, r int, c color.RGBA) {
	for i := center.X - r; i <= center.X+r; i++ {
		for j := center.Y - r; j <= center.Y+r; j++ {
			if math.Pow(float64(i)-float64(center.X), 2)+math.Pow(float64(j)-float64(center.Y), 2) <= math.Pow(float64(r), 2)+float64(r)*0.8 {
				img.SetRGBA(i, j, c)
			}
		}
	}
}
開發者ID:Reenjii，項目名稱:bingo，代碼行數:10，代碼來源:avatar.go

示例12: drawCross

func drawCross(m *image.RGBA, x, y int) {
	c := color.RGBA{0xff, 0, 0, 0xff} // red
	m.SetRGBA(x+0, y-2, c)
	m.SetRGBA(x+0, y-1, c)
	m.SetRGBA(x-2, y+0, c)
	m.SetRGBA(x-1, y+0, c)
	m.SetRGBA(x+0, y+0, c)
	m.SetRGBA(x+1, y+0, c)
	m.SetRGBA(x+2, y+0, c)
	m.SetRGBA(x+0, y+1, c)
	m.SetRGBA(x+0, y+2, c)
}
開發者ID:andreinechaev，項目名稱:mobile，代碼行數:12，代碼來源:affine_test.go

示例13: drawGradient

func drawGradient(m *image.RGBA) {
	b := m.Bounds()
	var scale = (b.Min.X - b.Max.X) / 2
	for y := b.Min.Y; y < b.Max.Y; y++ {
		for x := b.Min.X; x < b.Max.X; x++ {
			if mandelbrot.Mbi(float64(-x-scale), float64(y+scale), float64(scale)) {
				m.SetRGBA(x, y, color.RGBA{0xff, 0xff, 0xff, 0xff})
			} else {
				m.SetRGBA(x, y, color.RGBA{0x00, 0x00, 0xff, 0xff})
			}
		}
	}
}
開發者ID:s2607，項目名稱:mbrot，代碼行數:13，代碼來源:win.go

示例14: line

func line(m *image.RGBA, p, q image.Point, mode int) {
	x := 0
	y := 0
	dx := q.X - p.X
	dy := q.Y - p.Y
	xsign := +1
	ysign := +1
	if dx < 0 {
		xsign = -1
		dx = -dx
	}
	if dy < 0 {
		ysign = -1
		dy = -dy
	}
	pt := func() {
		switch mode {
		case 0:
			for dx := -2; dx <= 2; dx++ {
				for dy := -2; dy <= 2; dy++ {
					if dy*dx <= -4 || dy*dx >= 4 {
						continue
					}
					m.SetRGBA(p.X+x*xsign+dx, p.Y+y*ysign+dy, color.RGBA{255, 192, 192, 255})
				}
			}

		case 1:
			m.SetRGBA(p.X+x*xsign, p.Y+y*ysign, color.RGBA{128, 0, 0, 255})
		}
	}
	if dx > dy {
		for x < dx || y < dy {
			pt()
			x++
			if float64(x)*float64(dy)/float64(dx)-float64(y) > 0.5 {
				y++
			}
		}
	} else {
		for x < dx || y < dy {
			pt()
			y++
			if float64(y)*float64(dx)/float64(dy)-float64(x) > 0.5 {
				x++
			}
		}
	}
	pt()
}
開發者ID:amrhassan，項目名稱:rsc，代碼行數:50，代碼來源:pic.go

示例15: PaintItBlack

func PaintItBlack(m *image.RGBA) *image.RGBA {
	pt := m.Rect.Size()
	black := color.RGBA{
		R: 0,
		G: 0,
		B: 0,
		A: 255,
	}
	for i := 0; i < pt.X; i++ {
		for j := 0; j < pt.Y; j++ {
			m.SetRGBA(i, j, black)
		}
	}
	return m
}
開發者ID:Supermighty，項目名稱:imgserv，代碼行數:15，代碼來源:img.go


注：本文中的image.RGBA.SetRGBA方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。