imageutils

Documentation

Index

• Constants
• func CreateImageMosaic(inputImagePath string, outputImagePath string, outputImageWidth int, ...) error
• func CreateThumbnails(thumbnailImagesDir string) error
• func DrawGrid(sourceImage image.Image, tileWidth int, tileHeight int) image.Image
• func FindAverageColourInTile(sourceImage image.Image, targetRect image.Rectangle) color.NRGBA
• func FindColourInTile(sourceImage image.Image, targetRect image.Rectangle) color.RGBA
• func FindProminentColour(myImage image.Image) color.RGBA
• func LoadImage(imagePath string) (image.Image, string, error)
• func ResizeImage(originalImage image.Image, newWidth int, newHeight int) image.Image
• func SaveImage(imagePath string, imageToSave *image.Image) error
• type Analyzer
• type ThumbnailRequest
• type ThumbnailResponse

Constants

const THUMBNAIL_WIDTH = 128

Functions

func CreateImageMosaic

func CreateImageMosaic(inputImagePath string, outputImagePath string, outputImageWidth int, tileSize int, mosaicType string) error

func CreateThumbnails

func CreateThumbnails(thumbnailImagesDir string) error

create a thumbnail for each image in db

func DrawGrid

func DrawGrid(sourceImage image.Image, tileWidth int, tileHeight int) image.Image

Create a new image with grid lines drawn over it

func FindAverageColourInTile

func FindAverageColourInTile(sourceImage image.Image, targetRect image.Rectangle) color.NRGBA

func FindColourInTile

func FindColourInTile(sourceImage image.Image, targetRect image.Rectangle) color.RGBA

func FindProminentColour

func FindProminentColour(myImage image.Image) color.RGBA

func LoadImage

func LoadImage(imagePath string) (image.Image, string, error)

func ResizeImage

func ResizeImage(originalImage image.Image, newWidth int, newHeight int) image.Image

func SaveImage

func SaveImage(imagePath string, imageToSave *image.Image) error

Types

type Analyzer

type Analyzer interface {
	// function will analyze the pixels in the targetRect to find the most prominent colour
	FindColourInTile(sourceImage image.RGBA, targetRect image.Rectangle) color.RGBA
}

type ThumbnailRequest

type ThumbnailRequest struct {
	InputImage    models.ImageDetail
	Width         int
	ThumbnailsDir string
}

thumbnailing

type ThumbnailResponse

type ThumbnailResponse struct {
	ThumbnailImage models.ImageDetail
}