factory

package

v1.1.4-0...-af12951 Latest Latest Go to latest Published: Apr 8, 2026 License: MIT Imports: 15 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/FloatTech/gg

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README ¶

factory

Originally from FloatTech/imgfactory, operating raw image.NRGBA object.

Documentation ¶

Overview ¶

Package factory provides image manipulation utilities built on top of gg.

factory 包提供基于 gg 的图像操作工具库。

Index ¶

func GIF2Base64(gifImage *gif.GIF) (string, error)
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 MergeGif(delay int, im []*image.NRGBA) *gif.GIF
func Parse(r io.Reader) (img image.Image, err error)
func RenderText(text, font string, width, fontSize int) (txtPic image.Image, err error)
func RenderTextWith(text string, font []byte, width, fontSize int) (txtPic image.Image, err error)
func ToBase64(img image.Image) (base64Bytes []byte, err error)
func ToBytes(img image.Image) (data []byte, err error)
func WriteTo(img image.Image, f io.Writer) (n int64, err error)
type Factory

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func GIF2Base64 ¶

func GIF2Base64(gifImage *gif.GIF) (string, error)

GIF2Base64 gif 内容转为 base64

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 MergeGif ¶

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

MergeGif 合并成gif,1 dealy 10毫秒

func Parse ¶

func Parse(r io.Reader) (img image.Image, err error)

Parse 解析图片数据流

func RenderText ¶

func RenderText(text, font string, width, fontSize int) (txtPic image.Image, err error)

RenderText 文字转图片 width 是图片宽度

func RenderTextWith ¶

func RenderTextWith(text string, font []byte, width, fontSize int) (txtPic image.Image, err error)

RenderTextWith 文字转图片 width 是图片宽度

func ToBase64 ¶

func ToBase64(img image.Image) (base64Bytes []byte, err error)

ToBase64 img 内容转为base64

func ToBytes ¶

func ToBytes(img image.Image) (data []byte, err error)

ToBytes img 内容转为 []byte

func WriteTo ¶

func WriteTo(img image.Image, f io.Writer) (n int64, err error)

WriteTo img 内容写入 Writer

Types ¶

type Factory ¶

type Factory struct {
	// contains filtered or unexported fields
}

Factory 处理中图像

func LoadAllFrames ¶

func LoadAllFrames(path string, w, h int) ([]*Factory, error)

LoadAllFrames 加载每一帧图片

func LoadAllTrueFrames ¶

func LoadAllTrueFrames(path string, w, h int) ([]*Factory, error)

LoadAllTrueFrames 加载每一帧显示出的图片

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(im *image.NRGBA) *Factory

NewFactory creates a Factory from an existing *image.NRGBA.

NewFactory 从已有的 *image.NRGBA 创建 Factory。

func NewFactoryBG ¶

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

NewFactoryBG creates a new Factory with a solid background color.

NewFactoryBG 创建一个具有纯色背景的新 Factory。

func ParseFirstFrame ¶

func ParseFirstFrame(r io.Reader, w, h int) (*Factory, error)

ParseFirstFrame 解析图片第一帧作底图

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) 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) H ¶

func (dst *Factory) H() int

H returns the height of the image in pixels.

H 返回图像的高度（像素）。

func (*Factory) Image ¶

func (dst *Factory) Image() *image.NRGBA

Image returns the underlying *image.NRGBA.

Image 返回底层的 *image.NRGBA。

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) Relief ¶

func (dst *Factory) Relief() *Factory

Relief 浮雕

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

func (*Factory) W ¶

func (dst *Factory) W() int

W returns the width of the image in pixels.

W 返回图像的宽度（像素）。

Source Files ¶

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