1 files changed, 0 insertions, 284 deletions
diff --git a/thumbnailer.go b/thumbnailer.go
deleted file mode 100644
index 55a8eb2..0000000
--- a/thumbnailer.go
+++ /dev/null
@@ -1,284 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"image"
-	_ "image/gif"
-	_ "image/jpeg"
-	_ "image/png"
-	"io"
-	"os"
-	"path/filepath"
-	"slices"
-	"strings"
-
-	runewidth "github.com/mattn/go-runewidth"
-	_ "golang.org/x/image/bmp"
-	"golang.org/x/image/draw"
-	_ "golang.org/x/image/tiff"
-	_ "golang.org/x/image/webp"
-	"golang.org/x/sys/unix"
-	"roseh.moe/pkg/sixel"
-)
-
-var (
-	x = flag.Int("x", 15, "set image width in columns")
-	m = flagPrintMode(flag.CommandLine, "m", modeSixel, "one of 'block', 'block24', or 'sixel'")
-)
-
-type printMode int
-
-const (
-	modeInvalid printMode = iota
-	modeBlock
-	modeBlock24
-	modeSixel
-)
-
-type printModeValue printMode
-
-func (m *printModeValue) String() string {
-	switch printMode(*m) {
-	case modeBlock:
-		return "block"
-	case modeBlock24:
-		return "block24"
-	case modeSixel:
-		return "sixel"
-	default:
-		return "invalid"
-	}
-}
-
-func (m *printModeValue) Set(s string) error {
-	var mode printMode
-	switch s {
-	case "block":
-		mode = modeBlock
-	case "block24":
-		mode = modeBlock24
-	case "sixel":
-		mode = modeSixel
-	default:
-		return fmt.Errorf("bad mode type %q, should be one of 'block', 'block24', or 'sixel'", s)
-	}
-	*m = printModeValue(mode)
-	return nil
-}
-
-func flagPrintMode(fs *flag.FlagSet, name string, value printMode, usage string) *printMode {
-	fs.Var((*printModeValue)(&value), name, usage)
-	return &value
-}
-
-func isDir(filename string) bool {
-	stat, err := os.Stat(filename)
-	return err == nil && stat.IsDir()
-}
-
-func isImage(filename string) bool {
-	f, err := os.Open(filename)
-	if err != nil {
-		return false
-	}
-	defer f.Close()
-	_, _, err = image.DecodeConfig(f)
-	return err == nil
-}
-
-func imageDimensions(filename string) (width, height int, err error) {
-	f, err := os.Open(filename)
-	if err != nil {
-		return 0, 0, err
-	}
-	defer f.Close()
-	config, _, err := image.DecodeConfig(f)
-	return config.Width, config.Height, nil
-}
-
-func load(filename string) (image.Image, error) {
-	f, err := os.Open(filename)
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-
-	img, _, err := image.Decode(f)
-	if err != nil {
-		return nil, fmt.Errorf("decode %q: %s", filename, err)
-	}
-
-	return img, nil
-}
-
-func printImg(w io.Writer, img image.Image) {
-	switch *m {
-	case modeBlock:
-		sixel.PrintXTerm16(w, img)
-	case modeBlock24:
-		sixel.PrintBlock(w, img)
-	case modeSixel:
-		sixel.Print(w, img, nil)
-	default:
-		panic("invalid mode")
-	}
-}
-
-type pixelAspectRatio struct {
-	x, y int
-}
-
-func compositeImageRow(imagePaths []string, width, padding int, aspectRatio pixelAspectRatio) (image.Image, error) {
-	resultWidth := width*len(imagePaths) + padding*(len(imagePaths)-1)
-	maxHeight := 0
-	for _, filename := range imagePaths {
-		imageWidth, imageHeight, err := imageDimensions(filename)
-		if err != nil {
-			return nil, err
-		}
-		maxHeight = max(maxHeight, imageHeight*width/(imageWidth*aspectRatio.y/aspectRatio.x))
-	}
-	bounds := image.Rect(0, 0, resultWidth, maxHeight)
-	result := image.NewRGBA(bounds)
-	offset := 0
-	for _, filename := range imagePaths {
-		img, err := load(filename)
-		if err != nil {
-			return nil, err
-		}
-		height := img.Bounds().Dy() * width / (img.Bounds().Dx() * aspectRatio.y / aspectRatio.x)
-		dstBounds := image.Rect(offset, (maxHeight-height)/2, offset+width, (maxHeight-height)/2+height)
-		draw.BiLinear.Scale(result, dstBounds, img, img.Bounds(), draw.Src, nil)
-		offset += width + padding
-	}
-	return result, nil
-}
-
-func thumbnailFiles(w io.Writer, imagePaths []string, width, imagesPerRow, cellX, cellY int) error {
-	imageWidth := width
-	padding := 1
-	aspectRatio := pixelAspectRatio{1, 1}
-	switch *m {
-	case modeBlock:
-		aspectRatio = pixelAspectRatio{cellX, cellY}
-	case modeBlock24:
-		aspectRatio = pixelAspectRatio{2 * cellX, cellY}
-	case modeSixel:
-		imageWidth = width * cellX
-		padding = cellX
-	}
-	for row := range slices.Chunk(imagePaths, imagesPerRow) {
-		rowImage, err := compositeImageRow(row, imageWidth, padding, aspectRatio)
-		if err != nil {
-			return err
-		}
-		printImg(w, rowImage)
-		names := make([][]string, len(row))
-		maxLen := 0
-		for i, filename := range row {
-			names[i] = strings.Split(runewidth.Wrap(filepath.Base(filename), width), "\n")
-			maxLen = max(maxLen, len(names[i]))
-		}
-		for i := 0; i < maxLen; i++ {
-			fmt.Fprintln(w)
-			for imgIdx, name := range names {
-				if imgIdx > 0 {
-					fmt.Fprint(w, " ")
-				}
-				if i < len(name) {
-					fmt.Fprintf(w, "%s", runewidth.FillRight(name[i], width))
-				} else {
-					fmt.Fprintf(w, "%*s", width, "")
-				}
-			}
-		}
-		fmt.Fprintln(w)
-	}
-	return nil
-}
-
-func readDir(d string) ([]string, error) {
-	files, err := os.ReadDir(d)
-	if err != nil {
-		return nil, err
-	}
-	filenames := make([]string, len(files))
-	for i, f := range files {
-		filenames[i] = filepath.Join(d, f.Name())
-	}
-	return filenames, nil
-}
-
-func thumbnailDir(w io.Writer, dir string, width, imagesPerRow, cellX, cellY int) error {
-	files, err := readDir(dir)
-	if err != nil {
-		return err
-	}
-	files = slices.DeleteFunc(files, func(filename string) bool { return !isImage(filename) })
-	return thumbnailFiles(w, files, width, imagesPerRow, cellX, cellY)
-}
-
-func thumbnailer(args []string) error {
-	cols := *x
-	if *x <= 0 {
-		return fmt.Errorf("-x must be greater than 0")
-	}
-	ws, err := unix.IoctlGetWinsize(int(os.Stdout.Fd()), unix.TIOCGWINSZ)
-	if err != nil {
-		return fmt.Errorf("terminal size: %s", err)
-	}
-	termCols := int(ws.Col)
-	cellX, cellY := int(ws.Xpixel)/int(ws.Col), int(ws.Ypixel)/int(ws.Row)
-
-	cols = min(cols, termCols)
-	imagesPerRow := (termCols + 1) / (cols + 1)
-
-	var files, dirs []string
-	if len(args) == 0 {
-		dirs = []string{"."}
-	} else {
-		for _, arg := range args {
-			if isDir(arg) {
-				dirs = append(dirs, arg)
-			} else {
-				files = append(files, arg)
-			}
-		}
-	}
-	w := bufio.NewWriter(os.Stdout)
-	defer w.Flush()
-	if err := thumbnailFiles(w, files, cols, imagesPerRow, cellX, cellY); err != nil {
-		return err
-	}
-	if len(files) > 0 && len(dirs) > 0 {
-		fmt.Fprintln(w)
-	}
-	for i, d := range dirs {
-		if i > 0 {
-			fmt.Fprintln(w)
-		}
-		if len(dirs) > 1 {
-			fmt.Fprintf(w, "%s:\n", d)
-		}
-		if err := thumbnailDir(w, d, cols, imagesPerRow, cellX, cellY); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func main() {
-	flag.Usage = func() {
-		fmt.Fprintf(os.Stderr, "Usage: thumbnailer [OPTION]... [FILE]...\n")
-		flag.PrintDefaults()
-	}
-	flag.Parse()
-
-	if err := thumbnailer(flag.Args()); err != nil {
-		fmt.Fprintf(os.Stderr, "Failed: %s\n", err)
-		os.Exit(1)
-	}
-}