當前位置: 首頁>>代碼示例>>Golang>>正文

Golang Gray16.SetGray16方法代碼示例

本文整理匯總了Golang中image.Gray16.SetGray16方法的典型用法代碼示例。如果您正苦於以下問題：Golang Gray16.SetGray16方法的具體用法？Golang Gray16.SetGray16怎麽用？Golang Gray16.SetGray16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.Gray16的用法示例。


在下文中一共展示了Gray16.SetGray16方法的3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: readImagePass


//.........這裏部分代碼省略.........
			pixOffset += gray.Stride
		case cbGA8:
			for x := 0; x < width; x++ {
				ycol := cdat[2*x+0]
				nrgba.SetNRGBA(x, y, color.NRGBA{ycol, ycol, ycol, cdat[2*x+1]})
			}
		case cbTC8:
			pix, i, j := rgba.Pix, pixOffset, 0
			for x := 0; x < width; x++ {
				pix[i+0] = cdat[j+0]
				pix[i+1] = cdat[j+1]
				pix[i+2] = cdat[j+2]
				pix[i+3] = 0xff
				i += 4
				j += 3
			}
			pixOffset += rgba.Stride
		case cbP1:
			for x := 0; x < width; x += 8 {
				b := cdat[x/8]
				for x2 := 0; x2 < 8 && x+x2 < width; x2++ {
					idx := b >> 7
					if len(paletted.Palette) <= int(idx) {
						paletted.Palette = paletted.Palette[:int(idx)+1]
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 1
				}
			}
		case cbP2:
			for x := 0; x < width; x += 4 {
				b := cdat[x/4]
				for x2 := 0; x2 < 4 && x+x2 < width; x2++ {
					idx := b >> 6
					if len(paletted.Palette) <= int(idx) {
						paletted.Palette = paletted.Palette[:int(idx)+1]
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 2
				}
			}
		case cbP4:
			for x := 0; x < width; x += 2 {
				b := cdat[x/2]
				for x2 := 0; x2 < 2 && x+x2 < width; x2++ {
					idx := b >> 4
					if len(paletted.Palette) <= int(idx) {
						paletted.Palette = paletted.Palette[:int(idx)+1]
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 4
				}
			}
		case cbP8:
			if len(paletted.Palette) != 255 {
				for x := 0; x < width; x++ {
					if len(paletted.Palette) <= int(cdat[x]) {
						paletted.Palette = paletted.Palette[:int(cdat[x])+1]
					}
				}
			}
			copy(paletted.Pix[pixOffset:], cdat)
			pixOffset += paletted.Stride
		case cbTCA8:
			copy(nrgba.Pix[pixOffset:], cdat)
			pixOffset += nrgba.Stride
		case cbG16:
			for x := 0; x < width; x++ {
				ycol := uint16(cdat[2*x+0])<<8 | uint16(cdat[2*x+1])
				gray16.SetGray16(x, y, color.Gray16{ycol})
			}
		case cbGA16:
			for x := 0; x < width; x++ {
				ycol := uint16(cdat[4*x+0])<<8 | uint16(cdat[4*x+1])
				acol := uint16(cdat[4*x+2])<<8 | uint16(cdat[4*x+3])
				nrgba64.SetNRGBA64(x, y, color.NRGBA64{ycol, ycol, ycol, acol})
			}
		case cbTC16:
			for x := 0; x < width; x++ {
				rcol := uint16(cdat[6*x+0])<<8 | uint16(cdat[6*x+1])
				gcol := uint16(cdat[6*x+2])<<8 | uint16(cdat[6*x+3])
				bcol := uint16(cdat[6*x+4])<<8 | uint16(cdat[6*x+5])
				rgba64.SetRGBA64(x, y, color.RGBA64{rcol, gcol, bcol, 0xffff})
			}
		case cbTCA16:
			for x := 0; x < width; x++ {
				rcol := uint16(cdat[8*x+0])<<8 | uint16(cdat[8*x+1])
				gcol := uint16(cdat[8*x+2])<<8 | uint16(cdat[8*x+3])
				bcol := uint16(cdat[8*x+4])<<8 | uint16(cdat[8*x+5])
				acol := uint16(cdat[8*x+6])<<8 | uint16(cdat[8*x+7])
				nrgba64.SetNRGBA64(x, y, color.NRGBA64{rcol, gcol, bcol, acol})
			}
		}

		// The current row for y is the previous row for y+1.
		pr, cr = cr, pr
	}

	return img, nil
}
開發者ID:2thetop，項目名稱:go，代碼行數:101，代碼來源:reader.go

示例2: decode


//.........這裏部分代碼省略.........
				pix[i+0] = cdat[j+0]
				pix[i+1] = cdat[j+1]
				pix[i+2] = cdat[j+2]
				pix[i+3] = 0xff
				i += 4
				j += 3
			}
			pixOffset += rgba.Stride
		case cbP1:
			for x := 0; x < d.width; x += 8 {
				b := cdat[x/8]
				for x2 := 0; x2 < 8 && x+x2 < d.width; x2++ {
					idx := b >> 7
					if len(paletted.Palette) <= int(idx) {
						paletted.Palette = paletted.Palette[:int(idx)+1]
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 1
				}
			}
		case cbP2:
			for x := 0; x < d.width; x += 4 {
				b := cdat[x/4]
				for x2 := 0; x2 < 4 && x+x2 < d.width; x2++ {
					idx := b >> 6
					if len(paletted.Palette) <= int(idx) {
						paletted.Palette = paletted.Palette[:int(idx)+1]
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 2
				}
			}
		case cbP4:
			for x := 0; x < d.width; x += 2 {
				b := cdat[x/2]
				for x2 := 0; x2 < 2 && x+x2 < d.width; x2++ {
					idx := b >> 4
					if len(paletted.Palette) <= int(idx) {
						paletted.Palette = paletted.Palette[:int(idx)+1]
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 4
				}
			}
		case cbP8:
			if len(paletted.Palette) != 255 {
				for x := 0; x < d.width; x++ {
					if len(paletted.Palette) <= int(cdat[x]) {
						paletted.Palette = paletted.Palette[:int(cdat[x])+1]
					}
				}
			}
			copy(paletted.Pix[pixOffset:], cdat)
			pixOffset += paletted.Stride
		case cbTCA8:
			copy(nrgba.Pix[pixOffset:], cdat)
			pixOffset += nrgba.Stride
		case cbG16:
			for x := 0; x < d.width; x++ {
				ycol := uint16(cdat[2*x+0])<<8 | uint16(cdat[2*x+1])
				gray16.SetGray16(x, y, color.Gray16{ycol})
			}
		case cbGA16:
			for x := 0; x < d.width; x++ {
				ycol := uint16(cdat[4*x+0])<<8 | uint16(cdat[4*x+1])
				acol := uint16(cdat[4*x+2])<<8 | uint16(cdat[4*x+3])
				nrgba64.SetNRGBA64(x, y, color.NRGBA64{ycol, ycol, ycol, acol})
			}
		case cbTC16:
			for x := 0; x < d.width; x++ {
				rcol := uint16(cdat[6*x+0])<<8 | uint16(cdat[6*x+1])
				gcol := uint16(cdat[6*x+2])<<8 | uint16(cdat[6*x+3])
				bcol := uint16(cdat[6*x+4])<<8 | uint16(cdat[6*x+5])
				rgba64.SetRGBA64(x, y, color.RGBA64{rcol, gcol, bcol, 0xffff})
			}
		case cbTCA16:
			for x := 0; x < d.width; x++ {
				rcol := uint16(cdat[8*x+0])<<8 | uint16(cdat[8*x+1])
				gcol := uint16(cdat[8*x+2])<<8 | uint16(cdat[8*x+3])
				bcol := uint16(cdat[8*x+4])<<8 | uint16(cdat[8*x+5])
				acol := uint16(cdat[8*x+6])<<8 | uint16(cdat[8*x+7])
				nrgba64.SetNRGBA64(x, y, color.NRGBA64{rcol, gcol, bcol, acol})
			}
		}

		// The current row for y is the previous row for y+1.
		pr, cr = cr, pr
	}

	// Check for EOF, to verify the zlib checksum.
	n, err := r.Read(pr[:1])
	if err != io.EOF {
		return nil, FormatError(err.Error())
	}
	if n != 0 || d.idatLength != 0 {
		return nil, FormatError("too much pixel data")
	}

	return img, nil
}
開發者ID:nitinalabur，項目名稱:gcc，代碼行數:101，代碼來源:reader.go

示例3: idatReader


//.........這裏部分代碼省略.........
			for x := 0; x < d.width; x += 2 {
				b := cdat[x/2]
				for x2 := 0; x2 < 2 && x+x2 < d.width; x2++ {
					gray.SetGray(x+x2, y, image.GrayColor{(b >> 4) * 0x11})
					b <<= 4
				}
			}
		case cbG8:
			for x := 0; x < d.width; x++ {
				gray.SetGray(x, y, image.GrayColor{cdat[x]})
			}
		case cbGA8:
			for x := 0; x < d.width; x++ {
				ycol := cdat[2*x+0]
				nrgba.SetNRGBA(x, y, image.NRGBAColor{ycol, ycol, ycol, cdat[2*x+1]})
			}
		case cbTC8:
			for x := 0; x < d.width; x++ {
				rgba.SetRGBA(x, y, image.RGBAColor{cdat[3*x+0], cdat[3*x+1], cdat[3*x+2], 0xff})
			}
		case cbP1:
			for x := 0; x < d.width; x += 8 {
				b := cdat[x/8]
				for x2 := 0; x2 < 8 && x+x2 < d.width; x2++ {
					idx := b >> 7
					if idx > maxPalette {
						return nil, FormatError("palette index out of range")
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 1
				}
			}
		case cbP2:
			for x := 0; x < d.width; x += 4 {
				b := cdat[x/4]
				for x2 := 0; x2 < 4 && x+x2 < d.width; x2++ {
					idx := b >> 6
					if idx > maxPalette {
						return nil, FormatError("palette index out of range")
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 2
				}
			}
		case cbP4:
			for x := 0; x < d.width; x += 2 {
				b := cdat[x/2]
				for x2 := 0; x2 < 2 && x+x2 < d.width; x2++ {
					idx := b >> 4
					if idx > maxPalette {
						return nil, FormatError("palette index out of range")
					}
					paletted.SetColorIndex(x+x2, y, idx)
					b <<= 4
				}
			}
		case cbP8:
			for x := 0; x < d.width; x++ {
				if cdat[x] > maxPalette {
					return nil, FormatError("palette index out of range")
				}
				paletted.SetColorIndex(x, y, cdat[x])
			}
		case cbTCA8:
			for x := 0; x < d.width; x++ {
				nrgba.SetNRGBA(x, y, image.NRGBAColor{cdat[4*x+0], cdat[4*x+1], cdat[4*x+2], cdat[4*x+3]})
			}
		case cbG16:
			for x := 0; x < d.width; x++ {
				ycol := uint16(cdat[2*x+0])<<8 | uint16(cdat[2*x+1])
				gray16.SetGray16(x, y, image.Gray16Color{ycol})
			}
		case cbGA16:
			for x := 0; x < d.width; x++ {
				ycol := uint16(cdat[4*x+0])<<8 | uint16(cdat[4*x+1])
				acol := uint16(cdat[4*x+2])<<8 | uint16(cdat[4*x+3])
				nrgba64.SetNRGBA64(x, y, image.NRGBA64Color{ycol, ycol, ycol, acol})
			}
		case cbTC16:
			for x := 0; x < d.width; x++ {
				rcol := uint16(cdat[6*x+0])<<8 | uint16(cdat[6*x+1])
				gcol := uint16(cdat[6*x+2])<<8 | uint16(cdat[6*x+3])
				bcol := uint16(cdat[6*x+4])<<8 | uint16(cdat[6*x+5])
				rgba64.SetRGBA64(x, y, image.RGBA64Color{rcol, gcol, bcol, 0xffff})
			}
		case cbTCA16:
			for x := 0; x < d.width; x++ {
				rcol := uint16(cdat[8*x+0])<<8 | uint16(cdat[8*x+1])
				gcol := uint16(cdat[8*x+2])<<8 | uint16(cdat[8*x+3])
				bcol := uint16(cdat[8*x+4])<<8 | uint16(cdat[8*x+5])
				acol := uint16(cdat[8*x+6])<<8 | uint16(cdat[8*x+7])
				nrgba64.SetNRGBA64(x, y, image.NRGBA64Color{rcol, gcol, bcol, acol})
			}
		}

		// The current row for y is the previous row for y+1.
		pr, cr = cr, pr
	}
	return img, nil
}
開發者ID:go-nosql，項目名稱:golang，代碼行數:101，代碼來源:reader.go


注：本文中的image.Gray16.SetGray16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。