51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package outputmaze
|
|
|
|
import (
|
|
"errors"
|
|
"image"
|
|
"image/color"
|
|
"image/png"
|
|
getMaze "mazesolver/internal/getmaze"
|
|
"os"
|
|
)
|
|
|
|
func EditMaze(points []getMaze.Point, oldPath, newPath string) (string, error) {
|
|
imagereader, err := os.Open(oldPath)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
image, err := png.Decode(imagereader)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
for _, v := range points {
|
|
updateColor(image, v, color.RGBA{0, 255, 0, 255})
|
|
}
|
|
|
|
f, err := os.Create(newPath)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
png.Encode(f, image)
|
|
return newPath, nil
|
|
}
|
|
|
|
type Changeable interface {
|
|
Set(x, y int, c color.Color)
|
|
}
|
|
|
|
func updateColor(image image.Image, p getMaze.Point, color color.Color) error {
|
|
for i := p.Y * 10; i < p.Y * 10 + 10; i++ {
|
|
for ii := p.X * 10; ii < p.X * 10 + 10; ii++ {
|
|
if cimg, ok := image.(Changeable); ok {
|
|
cimg.Set(ii, i, color)
|
|
} else {
|
|
return errors.New("Image not changeable")
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|