utils

package

v0.0.0-...-34c3de1 Latest Latest Go to latest Published: Mar 3, 2021 License: MIT Imports: 16 Imported by: 0

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const (
	ErrHashInvalid string = "ERR_HASH_INVALID"
)

This section is empty.

func GetRid(ver, appID, hash string) string

func HashToRid(appID, hash string) string

func IdToRid(appID, id string) string

func MMHash(buf []byte) uint64

func ResizeBytesImgToBytes(srcBytes []byte, filename string, width, height int, enlargeSmaller bool, quality int) (imgBytes []byte, err error)

func ResizeFileToFile(src string, dst string, width int, height int, enlargeSmaller bool, quality int) error

func ResizeImg(srcImg image.Image, width, height int, enlargeSmaller bool) (newImg image.Image)

func ResizeImgToBytes(srcImg image.Image, filename string, width, height int, enlargeSmaller bool, quality int) (imgBytes []byte, err error)

func ResizeSmaller(srcWidth, srcHeight, width, height int) (newWidth int, newHeight int)

* src size: 160x90 input size: 200x300, output: 60x90 input size: 200x100, output: 160x80 *

type CropParams struct {
	Width          int
	Height         int
	EnlargeSmaller bool
}

func ParseImageProcessParams(imageProcess string) (quality int, crop *CropParams)

ParseImageProcessParams 解析参数. resize,fw_300,fh_200/quality,q_80

type Size struct {
	Width, Height int
}

func GetImageSize(imgContent []byte) (*Size, error)

func GetImageSizeF(path string) (*Size, error)