util

package

v4.1.16 Latest Latest Go to latest Published: Nov 2, 2023 License: MIT Imports: 8 Imported by: 0

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func DecodeImage(filePath string) (img image.Image, err error)

DecodeImage decode a image and retrun golang image interface

func GetImageHeight(img image.Image) int

GetImageHeight 获取图片高度

func GetImageWidth(img image.Image) int

GetImageWidth 获取图片宽度

func GetImageWidthAndHeight(filename string) (width, height int)

GetImageWidthAndHeight 获取图片宽高

func New3DSlice(x int, y int, z int) (theSlice [][][]uint8)

New3DSlice 创建矩阵

func NewRGBAMatrix(height int, width int) (rgbaMatrix [][][]uint8)

NewRGBAMatrix create a new rgba matrix

func Resize(src *image.NRGBA, width int, height int) *image.NRGBA

Resize 缩放图片

func ResizeForMatrix(filepath string, width int, height int) (imgMatrix [][][]uint8, err error)

ResizeForMatrix 缩放图片

type ImageInfo struct {
	DataUInt8 []uint8
	Width     int
	Height    int
}

ImageInfo 包含图片数据和宽高信息的结构体

func GetResizedImageInfo(filename string) (imageInfo ImageInfo)

GetResizedImageInfo 获取适配SDK大小的图片，并转为BGR格式的数据