gomp/imageUtils.go

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package main
import (
"image"
"os"
"github.com/dhowden/tag"
"github.com/nfnt/resize"
)
/*
Gets the Image Path from the uri to the string passed
if embedded image is found the path to that Image is returned else
path to default image is sent.
*/
func getAlbumArt(uri string) string {
var path string = "default.jpg"
f, err := os.Open(uri)
if err != nil {
panic(err)
}
m, err := tag.ReadFrom(f)
if err != nil {
panic(err)
}
albumCover := m.Picture()
if albumCover != nil {
b, err := os.Create("thumb.jpg")
if err != nil {
panic(err)
}
defer b.Close()
b.Write(albumCover.Data)
path = "thumb.jpg"
b.Close()
}
f.Close()
return path
}
func getImg(uri string) (image.Image, error) {
f, err := os.Open(uri)
if err != nil {
return nil, err
}
defer f.Close()
img, _, err := image.Decode(f)
if err != nil {
return nil, err
}
fw, fh := getFontWidth()
img = resize.Resize(
uint(float32(IMG_W)*(fw+IMAGE_WIDTH_EXTRA_X)), uint(float32(IMG_H)*(fh+IMAGE_WIDTH_EXTRA_Y)),
img,
resize.Bilinear,
)
return img, nil
}