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package main
import (
"bufio"
"image"
"image/draw"
"os"
)
import (
_ "golang.org/x/image/bmp"
_ "golang.org/x/image/tiff"
_ "golang.org/x/image/webp"
_ "image/gif"
_ "image/jpeg"
_ "image/png"
)
func ImageFromFile(filePath string) (image.Image, error) {
f, err := os.Open(filePath)
if err != nil {
return nil, err
}
defer f.Close()
br := bufio.NewReader(f)
img, _, err := image.Decode(br)
if err != nil {
return nil, err
}
return img, nil
}
func RGBAFromImage(img image.Image) (*image.RGBA, error) {
b := img.Bounds()
m := image.NewRGBA(image.Rect(0, 0, b.Dx(), b.Dy()))
draw.Draw(m, m.Bounds(), img, b.Min, draw.Src)
return m, nil
}
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