func (bimgImageHandler) Handle(media media_library.MediaLibrary, file multipart.File, option *media_library.Option) (err error) {
// Save Original Image
if err = media.Store(media.URL("original"), option, file); err == nil {
file.Seek(0, 0)
// Crop & Resize
var buffer bytes.Buffer
if _, err := io.Copy(&buffer, file); err != nil {
return err
}
img := bimg.NewImage(buffer.Bytes())
// Handle original image
{
bimgOption := bimg.Options{Interlace: true}
// Crop original image if specified
if cropOption := media.GetCropOption("original"); cropOption != nil {
bimgOption.Top = cropOption.Min.Y
bimgOption.Left = cropOption.Min.X
bimgOption.AreaWidth = cropOption.Max.X - cropOption.Min.X
bimgOption.AreaHeight = cropOption.Max.Y - cropOption.Min.Y
}
// Process & Save original image
if buf, err := img.Process(bimgOption); err == nil {
media.Store(media.URL(), option, bytes.NewReader(buf))
} else {
return err
}
}
// Handle size images
for key, size := range media.GetSizes() {
img := bimg.NewImage(buffer.Bytes())
bimgOption := bimg.Options{
Interlace: true,
}
if cropOption := media.GetCropOption(key); cropOption != nil {
bimgOption.Top = cropOption.Min.Y
bimgOption.Left = cropOption.Min.X
bimgOption.AreaWidth = cropOption.Max.X - cropOption.Min.X
bimgOption.AreaHeight = cropOption.Max.Y - cropOption.Min.Y
bimgOption.Crop = true
bimgOption.Force = true
}
// Process & Save size image
if _, err := img.Process(bimgOption); err == nil {
if buf, err := img.Process(bimg.Options{
Interlace: true,
Width: size.Width,
Height: size.Height,
Crop: true,
Enlarge: true,
Force: true,
}); err == nil {
media.Store(media.URL(key), option, bytes.NewReader(buf))
} else {
return err
}
} else {
return err
}
}
return nil
}
return err
}
func (bimgImageHandler) CouldHandle(media media_library.MediaLibrary) bool {
return media.IsImage()
}