img

package

v0.0.0-...-b518f07 Latest Latest Go to latest Published: Jan 27, 2023 License: GPL-3.0 Imports: 12 Imported by: 0

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Repository

github.com/guyingd/zbputils

Links

Open Source Insights

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 ¶

Overview ¶

Package img gg 的简易封装

Index ¶

Variables
func GetPaletted(im image.Image) *image.Paletted
func Limit(img image.Image, xmax, ymax int) image.Image
func Load(path string) (img image.Image, err error)
func LoadAllFrames(path string, w, h int) ([]*image.NRGBA, error)
func MergeGif(delay int, im []*image.NRGBA) *gif.GIF
type Factory

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 Limit ¶

func Limit(img image.Image, xmax, ymax int) image.Image

Limit 限制图片在 xmax*ymax 之内

func Load ¶

func Load(path string) (img image.Image, err error)

Load 加载图片

func LoadAllFrames ¶

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

LoadAllFrames 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

Types ¶

type Factory ¶

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

Factory 处理中图像

func LoadFirstFrame ¶

func LoadFirstFrame(path string, w, h int) (*Factory, error)

LoadFirstFrame 载入图片第一帧作底图

func MergeH ¶

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

MergeH 纵向合并图片

func MergeW ¶

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

MergeW 横向合并图片

func NewFactory ¶

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

NewFactory 设置底图

func Rotate ¶

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

Rotate 旋转

func Size ¶

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

Size 变形

func Text ¶

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

Text 文本框字体, 大小, 颜色 , 背景色, 文本

func (*Factory) AdjustBrightness ¶

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

AdjustBrightness 亮度(-100, 100)

func (*Factory) AdjustContrast ¶

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

AdjustContrast 对比度(-100, 100)

func (*Factory) AdjustSaturation ¶

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

AdjustSaturation 饱和度(-100, 100)

func (*Factory) Blur ¶

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

Blur 模糊图像正数

func (*Factory) Circle ¶

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

Circle 获取圆图

func (*Factory) Clip ¶

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

Clip 剪取方图

func (*Factory) ClipCircle ¶

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

ClipCircle 扣取圆

func (*Factory) ClipCircleFix ¶

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

ClipCircleFix 裁取圆图

func (*Factory) Clone ¶

func (dst *Factory) Clone() *Factory

Clone 克隆

func (*Factory) Convolve3x3 ¶

func (dst *Factory) Convolve3x3() *Factory

Convolve3x3 浮雕

func (*Factory) FlipH ¶

func (dst *Factory) FlipH() *Factory

FlipH 水平翻转

func (*Factory) FlipV ¶

func (dst *Factory) FlipV() *Factory

FlipV 垂直翻转

func (*Factory) Grayscale ¶

func (dst *Factory) Grayscale() *Factory

Grayscale 灰度

func (*Factory) InsertBottom ¶

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

InsertBottom 底部插入图片

func (*Factory) InsertBottomC ¶

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

InsertBottomC 底部插入图片 x,y是中心点

func (*Factory) InsertText ¶

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

InsertText 插入文本

func (*Factory) InsertUp ¶

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

InsertUp 上部插入图片

func (*Factory) InsertUpC ¶

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

InsertUpC 上部插入图片 x,y是中心点

func (*Factory) InsertUpG ¶

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

InsertUpG gif 上部插入图片

func (*Factory) Invert ¶

func (dst *Factory) Invert() *Factory

Invert 反色

func (*Factory) Reshape ¶

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

Reshape 变形

func (*Factory) Sharpen ¶

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

Sharpen 锐化

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
pool Package pool 图片缓存池	Package pool 图片缓存池
text Package text 文字转图片	Package text 文字转图片

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