feat: store screenshot added.

packages/katana_cli/bin/katana.dart

@@ -4,6 +4,7 @@ library katana_cli;
 import 'dart:io';
 
 // Package imports:
+import 'package:katana_cli/command/store/store.dart';
 import 'package:yaml/yaml.dart';
 
 // Project imports:
@@ -19,6 +20,7 @@ const commands = <String, CliCommand>{
   "git": GitCliCommand(),
   "apply": ApplyCliCommand(),
   "create": CreateCliCommand(),
+  "store": StoreCliCommand(),
 };
 
 Future<void> main(List<String> args) async {

packages/katana_cli/lib/command/store/screenshot.dart

@@ -0,0 +1,253 @@
+part of katana_cli.store;
+
+const _resolution = <String, Map<String, _Size>>{
+  "portrait": {
+    "iphone5.5": _Size(1242, 2208),
+    "iphone6.5": _Size(1284, 2778),
+    "ipad": _Size(2048, 2732),
+    "purchase": _Size(640, 920),
+  },
+  "landscape": {
+    "iphone5.5": _Size(2208, 1242),
+    "iphone6.5": _Size(2778, 1284),
+    "ipad": _Size(2732, 2048),
+    "purchase": _Size(920, 640),
+  },
+};
+
+class _Size {
+  const _Size(this.width, this.height);
+
+  final int width;
+  final int height;
+}
+
+/// Create screenshot images, etc. for the store based on the images in the `source_dir`.
+///
+/// The images are stored in `export_dir`.
+///
+/// The `color` specifies the background color.
+///
+/// The `orientation` specifies the orientation.
+///
+/// `source_dir`にある画像を元にストア用のスクリーンショット画像等を作成します。
+///
+/// `export_dir`に画像が格納されます。
+///
+/// `color`には背景色を指定します。
+///
+/// `orientation`には向きを指定します。
+class StoreScreenshotCliCommand extends CliCommand {
+  /// Create screenshot images, etc. for the store based on the images in the `source_dir`.
+  ///
+  /// The images are stored in `export_dir`.
+  ///
+  /// The `color` specifies the background color.
+  ///
+  /// The `orientation` specifies the orientation.
+  ///
+  /// `source_dir`にある画像を元にストア用のスクリーンショット画像等を作成します。
+  ///
+  /// `export_dir`に画像が格納されます。
+  ///
+  /// `color`には背景色を指定します。
+  ///
+  /// `orientation`には向きを指定します。
+  const StoreScreenshotCliCommand();
+
+  @override
+  String get description =>
+      "Create screenshot images, etc. for the store. ストア用のスクリーンショット画像等の作成を行います。";
+
+  @override
+  Future<void> exec(ExecContext context) async {
+    final store = context.yaml.getAsMap("store");
+    final screenshot = store.getAsMap("screenshot");
+    final exportDir = screenshot.get("export_dir", "").trimStringRight("/");
+    final colorCode = screenshot.get("color", "").trimString("#");
+    final orientation = screenshot.get("orientation", "");
+    final sourceDir = screenshot.get("source_dir", "");
+    if (exportDir.isEmpty) {
+      error(
+        "[store]->[screenshot]->[export_dir] is not found. Fill in the destination folder here.",
+      );
+      return;
+    }
+    if (sourceDir.isEmpty) {
+      error(
+        "[store]->[screenshot]->[source_dir] is not found. Fill in the source folder here.",
+      );
+      return;
+    }
+    if (colorCode.isEmpty) {
+      error(
+        "[store]->[screenshot]->[color] is not found. Enter the color code for the background color here.",
+      );
+      return;
+    }
+    label("Retrieve the source.");
+    // 色の変換
+    final color = ColorUint8.rgb(
+      int.parse(colorCode.substring(0, 2), radix: 16),
+      int.parse(colorCode.substring(2, 4), radix: 16),
+      int.parse(colorCode.substring(4, 6), radix: 16),
+    );
+    final document = Directory(exportDir);
+    if (!document.existsSync()) {
+      document.createSync(recursive: true);
+    }
+    final source = Directory(sourceDir);
+    if (!source.existsSync()) {
+      source.createSync(recursive: true);
+    }
+    final root = source.path.replaceAll(r"\", "/");
+    final sources = source.listSync().where((file) {
+      final path = file.path.replaceAll(r"\", "/").replaceAll("$root/", "");
+      if (path.startsWith(".") || path.contains("/.")) {
+        return false;
+      }
+      return true;
+    }).toList();
+    label("Create a featured image.");
+    final featureImage = File("$exportDir/feature_image.png");
+    if (!featureImage.existsSync()) {
+      final image = Image(
+        width: 1024,
+        height: 500,
+      )..clear(color);
+      File("$exportDir/feature_image.png").writeAsBytesSync(encodePng(image));
+    }
+    label("Create other screenshots.");
+    if (sources.isEmpty) {
+      for (final tmp in _resolution.entries) {
+        if (tmp.key != orientation) {
+          continue;
+        }
+        for (final val in tmp.value.entries) {
+          final key = val.key;
+          final size = val.value;
+          if (key == "purchase") {
+            final file = File("$exportDir/${key}_0.png");
+            if (file.existsSync()) {
+              continue;
+            }
+            final image = Image(width: size.width, height: size.height)
+              ..clear(color);
+            file.writeAsBytesSync(encodePng(image));
+          } else {
+            for (int i = 0; i < 2; i++) {
+              final file = File("$exportDir/${key}_$i.png");
+              if (file.existsSync()) {
+                continue;
+              }
+              final image = Image(width: size.width, height: size.height)
+                ..clear(color);
+              file.writeAsBytesSync(encodePng(image));
+            }
+          }
+        }
+      }
+    } else {
+      for (final tmp in _resolution.entries) {
+        if (tmp.key != orientation) {
+          continue;
+        }
+        for (final val in tmp.value.entries) {
+          final key = val.key;
+          final size = val.value;
+          for (int i = 0; i < sources.length; i++) {
+            if (key == "purchase") {
+              final file = File(sources[i].path);
+              final image = decodeImage(file.readAsBytesSync())!;
+              if (orientation == "portrait") {
+                final resized = copyResize(image, width: size.width);
+                final cropped = copyCrop(
+                  resized,
+                  x: 0,
+                  y: ((resized.height - size.height) / 2.0).floor(),
+                  width: resized.width,
+                  height: size.height,
+                );
+                File("$exportDir/${key}_$i.png")
+                    .writeAsBytesSync(encodePng(cropped));
+              } else {
+                final resized = copyResize(image, height: size.height);
+                final cropped = copyCrop(
+                  resized,
+                  x: ((resized.width - size.width) / 2.0).floor(),
+                  y: 0,
+                  width: size.width,
+                  height: resized.height,
+                );
+                File("$exportDir/${key}_$i.png")
+                    .writeAsBytesSync(encodePng(cropped));
+              }
+            } else {
+              final file = File(sources[i].path);
+              final image = Image(width: size.width, height: size.height)
+                ..clear(color);
+              final sourceImage = dropShadow(
+                _resize(
+                  _crop(
+                    decodeImage(file.readAsBytesSync())!,
+                    76,
+                    48,
+                  ),
+                  image,
+                  64,
+                  64,
+                  64,
+                  64,
+                ),
+                16,
+                16,
+                16,
+              );
+              final merged = compositeImage(
+                image,
+                sourceImage,
+                dstX: ((image.width / 2) - (sourceImage.width / 2)).round(),
+                dstY: ((image.height / 2) - (sourceImage.height / 2)).round(),
+              );
+              File("$exportDir/${key}_$i.png")
+                  .writeAsBytesSync(encodePng(merged));
+            }
+          }
+        }
+      }
+    }
+  }
+
+  Image _crop(
+    Image source,
+    double top,
+    double bottom,
+  ) {
+    return copyCrop(
+      source,
+      x: 0,
+      y: top.round(),
+      width: source.width,
+      height: source.height - (top + bottom).round(),
+    );
+  }
+
+  Image _resize(
+    Image source,
+    Image container,
+    double left,
+    double top,
+    double right,
+    double bottom,
+  ) {
+    final width = container.width - (left + right);
+    final height = container.height - (top + bottom);
+    final wRatio = source.width / width;
+    final hRatio = source.height / height;
+    if (wRatio >= hRatio) {
+      return copyResize(source, width: width.floor());
+    } else {
+      return copyResize(source, height: height.floor());
+    }
+  }
+}

packages/katana_cli/lib/command/store/store.dart

@@ -0,0 +1,25 @@
+library katana_cli.store;
+
+// Dart imports:
+import 'dart:io';
+
+// Package imports:
+import 'package:image/image.dart';
+
+// Project imports:
+import 'package:katana_cli/katana_cli.dart';
+
+part 'screenshot.dart';
+
+class StoreCliCommand extends CliCommandGroup {
+  const StoreCliCommand();
+
+  @override
+  String get groupDescription =>
+      "Configure settings for the store, including creating screenshots. スクリーンショットの作成など、ストア用の設定を行います。";
+
+  @override
+  Map<String, CliCommand> get commands => const {
+        "screenshot": StoreScreenshotCliCommand(),
+      };
+}

packages/katana_cli/lib/config.dart

@@ -155,5 +155,22 @@ github:
       # Please copy and include your team ID from https://developer.apple.com/account.
       # https://developer.apple.com/account のチームIDをコピーして記載してください。
       team_id: 
+
+# Store-related information.
+# ストア関連の情報を記載します。
+store:
+  # Create a simple screenshot to be posted in the store. It can be executed with the following command.
+  # ストアに掲載する簡易的なスクリーンショットの作成を行います。下記コマンドで実行可能です。
+  # `katana store screenshot`
+  # 
+  # Generate images for screenshots in [export_dir] based on the list of images in [source_dir].
+  # You can specify the orientation (`portrait` or `landscape`) with [orientation] and the background color with [color].
+  # [source_dir]にある画像一覧を元に[export_dir]にスクリーンショット用の画像を生成します。
+  # [orientation]で(`portrait` or `landscape`)向きを指定でき、[color]を指定すると背景色を指定できます。
+  screenshot:
+    source_dir: document/screenshot
+    export_dir: document/store
+    orientation: portrait
+    color: ffffff
 """;
 }

packages/katana_cli/pubspec.lock

@@ -13,10 +13,10 @@ packages:
     dependency: transitive
     description:
       name: args
-      sha256: "139d809800a412ebb26a3892da228b2d0ba36f0ef5d9a82166e5e52ec8d61611"
+      sha256: "4cab82a83ffef80b262ddedf47a0a8e56ee6fbf7fe21e6e768b02792034dd440"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.2"
+    version: "2.4.0"
   asn1lib:
     dependency: transitive
     description:
@@ -109,10 +109,10 @@ packages:
     dependency: "direct main"
     description:
       name: image
-      sha256: "3686865febd85c57a632d87a0fb1f0a8a9ef602fdb68d909c3e9aa29ec70fd24"
+      sha256: "483a389d6ccb292b570c31b3a193779b1b0178e7eb571986d9a49904b6861227"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.13"
+    version: "4.0.15"
   import_sorter:
     dependency: "direct dev"
     description: