Function MakeCollage

update.go:131–171

(name, folder, output string)

}

func MakeCollage(name, folder, output string) *Collage {
	log.Printf("Creating collage\n")
	log.Printf("> name  : %v\n", name)
	log.Printf("> folder: %v\n", folder)
	log.Printf("> save  : %v\n", output)

	files, err := ioutil.ReadDir(folder)
	if err != nil {
		log.Printf("> ERROR: %v\n", err)
		return nil
	}

	if len(files) == 0 {
		log.Printf("> error: no files\n")
		return nil
	}

	sort.Sort(FileInfos(files))

	collage := NewCollage(len(files), MaxColumns, ThumbnailSize)
	collage.Name = name
	collage.Output = output
	collage.Folder = folder
	for _, file := range files {
		path := filepath.Join(folder, file.Name())
		log.Printf("> add: %v\n", path)
		m, err := LoadImage(path)
		if err != nil {
			log.Printf("> error: %v\n", err)
			continue
		}

		collage.Draw(path, m)
	}

	if err := SaveImage(collage.Image, output); err != nil {
		log.Printf("> ERROR: %v\n", err)
	}

	return collage
}

type Thumbs struct {
	Size   int