Delete image file

This commit is contained in:
Alex Eidt 2021-11-22 21:11:01 -08:00
parent d1b9f14c55
commit a5d84e72af

View file

@ -1,61 +0,0 @@
package main
import (
"fmt"
"image"
"image/jpeg"
"image/png"
"os"
"strings"
)
type Image struct {
width int
height int
channels int
data []byte
}
func ReadImage(filename string) *Image {
// Read image from "filename".
file, err := os.Open(filename)
if err != nil {
fmt.Printf("%s not found.", filename)
return nil
}
defer file.Close()
var im image.Image
if strings.HasSuffix(filename, "jpg") {
im, err = jpeg.Decode(file)
} else if strings.HasSuffix(filename, "png") {
im, err = png.Decode(file)
} else {
im, _, err = image.Decode(file)
}
if err != nil {
fmt.Printf("%s is an invalid image format. Could not parse.\n", filename)
return nil
}
bounds := im.Bounds().Max
data := make([]byte, bounds.Y*bounds.X*4)
// Fill in "data" with colors of the image.
index := 0
for y := 0; y < bounds.Y; y++ {
for x := 0; x < bounds.X; x++ {
r, g, b, a := im.At(x, y).RGBA()
data[index] = byte(r)
data[index+1] = byte(g)
data[index+2] = byte(b)
data[index+3] = byte(a)
index += 4
}
}
return &Image{width: bounds.X, height: bounds.Y, channels: 4, data: data}
}
func WriteImage(filename string, img *Image) {
}