img

package

v1.2.5-beta1 Latest Latest Go to latest Published: Jan 30, 2022 License: GPL-3.0 Imports: 15 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/FloatTech/zbputils

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README ¶

imgfactory

API 详见代码

处理中图像

type ImgFactory struct {
	Im *image.NRGBA
	W  int
	H  int
}

加载图片

func Load(path string) image.Image

载入图片第一帧作底图

func LoadFirstFrame(path string, w, h int) *ImgFactory

加载图片每一帧图片

func LoadAllFrames(path string, w, h int) []*image.NRGBA

Documentation ¶

Index ¶

Variables
func GetPaletted(im image.Image) *image.Paletted
func Load(path string) image.Image
func LoadAllFrames(path string, w, h int) []*image.NRGBA
func MergeGif(delay int, im []*image.NRGBA) *gif.GIF
func SaveGif(g *gif.GIF, path string) error
func SavePng(im image.Image, path string) error
type ImgFactory

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	White   = []int{255, 255, 255, 255}
	Black   = []int{0, 0, 0, 255}
	Red     = []int{255, 0, 0, 255}
	Green   = []int{0, 255, 0, 255}
	Blue    = []int{0, 0, 255, 255}
	Yellow  = []int{255, 255, 0, 255}
	Cyan    = []int{0, 255, 255, 255}
	Magenta = []int{255, 0, 255, 255}
	Grey    = []int{190, 190, 190, 255}
	Pink    = []int{255, 181, 197, 255}
	Orange  = []int{255, 165, 0, 255}
	TouM    = []int{0, 0, 0, 0}
)

颜色

Functions ¶

func GetPaletted ¶

func GetPaletted(im image.Image) *image.Paletted

GetPaletted 将image.Image转换为 *Paletted。最多256色

func Load ¶

func Load(path string) image.Image

加载图片

func LoadAllFrames ¶

func LoadAllFrames(path string, w, h int) []*image.NRGBA

加载图片每一帧图片

func MergeGif ¶

func MergeGif(delay int, im []*image.NRGBA) *gif.GIF

MergeGif 合并成gif,1 dealy 10毫秒

func SaveGif ¶

func SaveGif(g *gif.GIF, path string) error

SaveGif 保存gif

func SavePng ¶

func SavePng(im image.Image, path string) error

保存png

Types ¶

type ImgFactory ¶

type ImgFactory struct {
	Im *image.NRGBA
	W  int
	H  int
}

处理中图像

func LoadFirstFrame ¶

func LoadFirstFrame(path string, w, h int) *ImgFactory

载入图片第一帧作底图

func MergeH ¶

func MergeH(im []*image.NRGBA) *ImgFactory

纵向合并图片

func MergeW ¶

func MergeW(im []*image.NRGBA) *ImgFactory

横向合并图片

func NewFactory ¶

func NewFactory(w, h int, fillColor color.Color) *ImgFactory

设置底图

func Rotate ¶

func Rotate(img image.Image, angle float64, w, h int) *ImgFactory

旋转

func Size ¶

func Size(im image.Image, w, h int) *ImgFactory

变形

func Text ¶

func Text(font string, size float64, col []int, col1 []int, txt string) *ImgFactory

文本框字体，大小，颜色，背景色，文本

func (*ImgFactory) AdjustBrightness ¶

func (dst *ImgFactory) AdjustBrightness(s float64) *ImgFactory

AdjustBrightness 亮度(-100, 100)

func (*ImgFactory) AdjustContrast ¶

func (dst *ImgFactory) AdjustContrast(a float64) *ImgFactory

AdjustContrast 对比度(-100, 100)

func (*ImgFactory) AdjustSaturation ¶

func (dst *ImgFactory) AdjustSaturation(a float64) *ImgFactory

AdjustSaturation 饱和度(-100, 100)

func (*ImgFactory) Blur ¶

func (dst *ImgFactory) Blur(a float64) *ImgFactory

Blur 模糊图像正数

func (*ImgFactory) Circle ¶

func (dst *ImgFactory) Circle(r int) *ImgFactory

Circle 获取圆图

func (*ImgFactory) Clip ¶

func (dst *ImgFactory) Clip(w, h, x, y int) *ImgFactory

Clip 剪取方图

func (*ImgFactory) ClipCircle ¶

func (dst *ImgFactory) ClipCircle(x, y, r int) *ImgFactory

ClipCircle 扣取圆

func (*ImgFactory) ClipCircleFix ¶

func (dst *ImgFactory) ClipCircleFix(x, y, r int) *ImgFactory

ClipCircleFix 裁取圆图

func (*ImgFactory) Clone ¶

func (dst *ImgFactory) Clone() *ImgFactory

Clone 克隆

func (*ImgFactory) Convolve3x3 ¶

func (dst *ImgFactory) Convolve3x3() *ImgFactory

Convolve3x3 浮雕

func (*ImgFactory) FlipH ¶

func (dst *ImgFactory) FlipH() *ImgFactory

FlipH 水平翻转

func (*ImgFactory) FlipV ¶

func (dst *ImgFactory) FlipV() *ImgFactory

FlipV 垂直翻转

func (*ImgFactory) Grayscale ¶

func (dst *ImgFactory) Grayscale() *ImgFactory

Grayscale 灰度

func (*ImgFactory) InsertBottom ¶

func (dst *ImgFactory) InsertBottom(im image.Image, w, h, x, y int) *ImgFactory

InsertBottom 底部插入图片

func (*ImgFactory) InsertBottomC ¶

func (dst *ImgFactory) InsertBottomC(im image.Image, w, h, x, y int) *ImgFactory

InsertBottomC 底部插入图片 x,y是中心点

func (*ImgFactory) InsertText ¶

func (dst *ImgFactory) InsertText(font string, size float64, col []int, x, y float64, txt string) *ImgFactory

InsertText 插入文本

func (*ImgFactory) InsertUp ¶

func (dst *ImgFactory) InsertUp(im image.Image, w, h, x, y int) *ImgFactory

InsertUp 上部插入图片

func (*ImgFactory) InsertUpC ¶

func (dst *ImgFactory) InsertUpC(im image.Image, w, h, x, y int) *ImgFactory

InsertUpC 上部插入图片 x,y是中心点

func (*ImgFactory) InsertUpG ¶

func (dst *ImgFactory) InsertUpG(im []*image.NRGBA, w, h, x, y int) []*image.NRGBA

InsertUpG gif 上部插入图片

func (*ImgFactory) Invert ¶

func (dst *ImgFactory) Invert() *ImgFactory

Invert 反色

func (*ImgFactory) Reshape ¶

func (dst *ImgFactory) Reshape(w, h int) *ImgFactory

Reshape 变形

func (*ImgFactory) Sharpen ¶

func (dst *ImgFactory) Sharpen(a float64) *ImgFactory

Sharpen 锐化

Source Files ¶

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