ptouch-label CLIを追加して差込印刷を拡張

コマンド名を機能に合わせて整理し、SVGテンプレート+JSON/YAMLの差込印刷とメディア情報取得を使いやすくする。

Made-with: Cursor

ruby/lib/libptouch/cli/png_print.rb

@@ -1,251 +1,8 @@
-# frozen_string_literal: true
-
-require "json"
-require "optparse"
-
-require "libptouch"
+# Backward-compatibility shim.
+require "libptouch/cli/label_print"
 
 module Libptouch
   module Cli
-    # PNG/SVG を扱う ptouch-print 相当の CLI（1bit ラスター経路なし）。
-    module PngPrint
-      module_function
-
-      def run(argv)
-        opts = parse(argv)
-        return 2 if opts.nil?
-
-        return run_version if opts[:version]
-        return run_help if opts[:help]
-
-        if opts[:status]
-          warn_unused_file_options(opts)
-          return run_status(opts)
-        end
-
-        return usage_error("-f is required (or use --status)") if opts[:file].to_s.empty?
-
-        path = opts[:file]
-        kind = image_kind(path)
-        return usage_error("not a PNG/SVG file: #{path}") if kind.nil?
-
-        run_print(path, opts, kind)
-      end
-
-      def png_file?(path)
-        return true if path.downcase.end_with?(".png")
-
-        File.open(path, "rb") do |f|
-          sig = f.read(8)
-          sig == "\x89PNG\r\n\x1a\n".b
-        end
-      rescue Errno::ENOENT, Errno::EACCES => e
-        warn "open #{path}: #{e.message}"
-        false
-      end
-
-      def svg_file?(path)
-        path.downcase.end_with?(".svg")
-      end
-
-      def image_kind(path)
-        return :png if png_file?(path)
-        return :svg if svg_file?(path)
-
-        nil
-      end
-
-      def parse(argv)
-        opts_hash = default_cli_opts
-        build_cli_parser(opts_hash).parse!(argv)
-        return nil unless threshold_option_ok?(opts_hash)
-        return nil unless usb_pid_option_ok?(opts_hash)
-
-        opts_hash.delete(:usb_pid_invalid)
-        opts_hash
-      end
-
-      def default_cli_opts
-        {
-          file: nil,
-          threshold: nil,
-          usb_pid: nil,
-          usb_pid_invalid: false,
-          dry_run: false,
-          status: false,
-          version: false,
-          help: false
-        }
-      end
-
-      def pid_option_description
-        p900 = Libptouch::USB_PID_PTP900W
-        p750 = Libptouch::USB_PID_PTP750W
-        p710 = Libptouch::USB_PID_PTP710BT
-        "USB 製品 ID（16 進可）。既定 P900W 0x#{p900.to_s(16)}; " \
-          "P750W 0x#{p750.to_s(16)}; P710BT 0x#{p710.to_s(16)}"
-      end
-
-      def apply_usb_pid_option(opts_hash, pid_str)
-        opts_hash[:usb_pid] = Integer(pid_str, 0)
-      rescue ArgumentError
-        warn "invalid --pid: #{pid_str.inspect}"
-        opts_hash[:usb_pid_invalid] = true
-      end
-
-      def threshold_option_ok?(opts_hash)
-        return true if opts_hash[:threshold].nil? || (0..255).cover?(opts_hash[:threshold])
-
-        warn "-t must be 0..255"
-        false
-      end
-
-      def usb_pid_option_ok?(opts_hash)
-        return false if opts_hash[:usb_pid_invalid]
-        return true if opts_hash[:usb_pid].nil?
-        return true if opts_hash[:usb_pid].between?(1, 0xFFFF)
-
-        warn "-p/--pid must be 1..0xFFFF"
-        false
-      end
-
-      def build_cli_parser(opts_hash)
-        OptionParser.new do |p|
-          p.banner = usage_banner
-          p.separator ""
-          p.on("-f", "--file PATH", "入力 PNG/SVG ファイル") { |v| opts_hash[:file] = v }
-          p.on("-t", "--threshold N", Integer,
-               "二値化しきい値 0–255（既定 #{Libptouch::PNG_DEFAULT_THRESHOLD}、PNG/SVG）") do |v|
-            opts_hash[:threshold] = v
-          end
-          p.on("-p", "--pid PID", pid_option_description) do |v|
-            apply_usb_pid_option(opts_hash, v)
-          end
-          p.on("-n", "--dry-run", "読み込みと検証のみ（USB なし）") { opts_hash[:dry_run] = true }
-          p.on("-S", "--status", "USB プリンタのステータスを JSON で表示して終了") do
-            opts_hash[:status] = true
-          end
-          p.on("-V", "--version", "バージョンを表示して終了") { opts_hash[:version] = true }
-          p.on("-h", "--help", "このヘルプ") { opts_hash[:help] = true }
-        end
-      end
-
-      def usage_banner
-        <<~BANNER
-          Usage: ptouch-print-png [options]
-
-          PNG/SVG 対応。幅・高さは画像から取得します（-w/-H はありません）。
-          SVG は現在テープ幅に合わせて自動拡大・縮小します（USB 接続必須）。
-          --status のときは -f は不要です。
-        BANNER
-      end
-
-      def warn_unused_file_options(opts)
-        return unless opts[:file] || opts[:dry_run] || !opts[:threshold].nil?
-
-        warn "warning: options other than --status are ignored"
-      end
-
-      def run_version
-        puts "ptouch-print-png #{Libptouch::VERSION}"
-        0
-      end
-
-      def run_help
-        puts usage_banner
-        puts ""
-        puts parser_help_text
-        0
-      end
-
-      def parser_help_text
-        opts_hash = default_cli_opts
-        p = OptionParser.new do |parser|
-          parser.banner = "ptouch-print-png [options]"
-          parser.on("-f", "--file PATH", "入力 PNG/SVG ファイル") { |v| opts_hash[:file] = v }
-          parser.on("-t", "--threshold N", Integer,
-                    "二値化しきい値 0–255（既定 #{Libptouch::PNG_DEFAULT_THRESHOLD}、PNG/SVG）") do |v|
-            opts_hash[:threshold] = v
-          end
-          parser.on("-p", "--pid PID", pid_option_description) do |v|
-            apply_usb_pid_option(opts_hash, v)
-          end
-          parser.on("-n", "--dry-run", "読み込みと検証のみ（USB なし）") { opts_hash[:dry_run] = true }
-          parser.on("-S", "--status", "USB プリンタのステータスを JSON で表示して終了") do
-            opts_hash[:status] = true
-          end
-          parser.on("-V", "--version", "バージョンを表示して終了") { opts_hash[:version] = true }
-          parser.on("-h", "--help", "このヘルプ") { opts_hash[:help] = true }
-        end
-        p.help
-      end
-
-      def open_usb_for_opts(ctx, opts)
-        if opts[:usb_pid]
-          ctx.open_usb_vid_pid(Libptouch::USB_VID_BROTHER, opts[:usb_pid])
-        else
-          ctx.open_usb
-        end
-      end
-
-      def run_status(opts)
-        ctx = nil
-        begin
-          ctx = Libptouch::Context.new
-          open_usb_for_opts(ctx, opts)
-          h = Libptouch.parse_status(ctx.status_bytes)
-          h.delete(:raw_bytes)
-          puts JSON.pretty_generate(h)
-          0
-        rescue Libptouch::Error => e
-          warn "get_status: #{e.message}"
-          1
-        ensure
-          ctx&.dispose
-        end
-      end
-
-      def run_print(path, opts, kind)
-        ctx = nil
-        begin
-          ctx = Libptouch::Context.new
-          threshold = opts[:threshold]
-          data, width, height = if kind == :svg
-                                  open_usb_for_opts(ctx, opts)
-                                  if threshold.nil?
-                                    ctx.svg_file_to_raster_fit_current_tape(path)
-                                  else
-                                    ctx.svg_file_to_raster_fit_current_tape(path, threshold: threshold)
-                                  end
-                                elsif threshold.nil?
-                                  ctx.png_file_to_raster(path)
-                                else
-                                  ctx.png_file_to_raster(path, threshold: threshold)
-                                end
-
-          ctx.check_raster(data, width_dots: width, height_dots: height)
-
-          if opts[:dry_run]
-            puts "dry-run OK: #{data.bytesize} bytes, src #{width}x#{height} dots (print lengthxwidth #{width}x#{height})"
-            return 0
-          end
-
-          open_usb_for_opts(ctx, opts) if kind == :png
-          ctx.print_raster(data, width_dots: width, height_dots: height)
-          0
-        rescue Libptouch::Error => e
-          warn e.message
-          1
-        ensure
-          ctx&.dispose
-        end
-      end
-
-      def usage_error(msg)
-        warn msg
-        warn "(try ptouch-print-png --help)"
-        2
-      end
-    end
+    PngPrint = LabelPrint
   end
 end