ximg

package

v1.3.7 Latest Latest Go to latest Published: Aug 7, 2023 License: MulanPSL-2.0 Imports: 15 Imported by: 0

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Repository

gitee.com/xuesongtao/gotool

Links

Open Source Insights

README ¶

ximg

介绍

对图片进行压缩, 裁剪操作

Documentation ¶

Index ¶

Constants
func Bmp(dest io.Writer, src multipart.File, fn ...ToImgFn) error
func GetSize(path string) (int64, error)
func Gif(dest io.Writer, src multipart.File, opt *gif.Options, fn ...ToImgFn) error
func Jpeg(dest io.Writer, src multipart.File, quality int, fn ...ToImgFn) error
func Png(dest io.Writer, src multipart.File, fn ...ToImgFn) error
func Rotate180(m image.Image) image.Image
func Rotate270(m image.Image) image.Image
func Rotate90(m image.Image) image.Image
func ValidPicFmt(filename string, mustFmt ...[]string) bool
func Webp(dest io.Writer, src multipart.File, fn ...ToImgFn) error
type ToImgFn
type XImg
- func NewXImg(src interface{}) (*XImg, error)

Constants ¶

View Source

const (
	DirectResize     uint8 // 直接压缩
	EqualRatioResize       // 等比压缩
)

Variables ¶

This section is empty.

Functions ¶

func Bmp ¶

func Bmp(dest io.Writer, src multipart.File, fn ...ToImgFn) error

Bmp

func GetSize ¶

func GetSize(path string) (int64, error)

GetSize 获取文件大小

func Gif ¶

func Gif(dest io.Writer, src multipart.File, opt *gif.Options, fn ...ToImgFn) error

Gif

func Jpeg ¶

func Jpeg(dest io.Writer, src multipart.File, quality int, fn ...ToImgFn) error

Jpeg 处理 jpg, jpeg

func Png ¶

func Png(dest io.Writer, src multipart.File, fn ...ToImgFn) error

Png

func Rotate180 ¶ added in v1.2.4

func Rotate180(m image.Image) image.Image

Rotate180 旋转180度

func Rotate270 ¶ added in v1.2.4

func Rotate270(m image.Image) image.Image

Rotate270 旋转270度

func Rotate90 ¶ added in v1.2.4

func Rotate90(m image.Image) image.Image

Rotate90 旋转90度

func ValidPicFmt ¶ added in v1.2.3

func ValidPicFmt(filename string, mustFmt ...[]string) bool

ValidPicFmt 验证图片格式

func Webp ¶

func Webp(dest io.Writer, src multipart.File, fn ...ToImgFn) error

Webp

Types ¶

type ToImgFn ¶

type ToImgFn func(image.Image) image.Image

ToImgFn 图片处理

type XImg ¶

type XImg struct {
	SysSplit string // 系统路径分隔符
	FileName string // 文件名
	// contains filtered or unexported fields
}

func NewXImg ¶

func NewXImg(src interface{}) (*XImg, error)

NewXImg 初始化

func (*XImg) Compress ¶

func (x *XImg) Compress(dest string, quality int) (destFileName string, err error)

Compress 压缩图片 dest 为目标文件路径 quality 为压缩比, 如果不想设置请设置 -1, 暂时只支持 jpeg, jpg

func (*XImg) GetImgFmt ¶

func (x *XImg) GetImgFmt() string

GetImgFmt 获取文件格式

func (*XImg) Resize ¶

func (x *XImg) Resize(dest string, newW, newH uint, quality int, resizeType ...uint8) (destFileName string, err error)

Resize 修改尺寸 dest 为目标文件路径 newW 新的宽度 newH 新的高度 quality 为压缩比, 如果不想设置请设置 -1, 暂时只支持 jpeg, jpg resizeType 压缩类型

func (*XImg) SetHandleFn ¶ added in v1.2.4

func (x *XImg) SetHandleFn(fn func(image.Image) image.Image)

SetHandleFn 这种处理函数

Source Files ¶

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