Add ImageToWEBP

Author: MsEDok

.github/workflows/build.yml

@@ -24,22 +24,33 @@ jobs:
           python -m pip install --upgrade pip
           if (Test-Path requirements.txt) { pip install -r requirements.txt }
 
-      - name: Build executable
+      - name: Build MapArtsMerger executable
         run: pyinstaller --onefile --windowed --icon=icon.ico MapArtsMerger.py
 
-      - name: Upload artifact
+      - name: Build ImageToWEBP executable
+        run: pyinstaller --onefile --windowed --icon=icon.ico ImageToWEBP.py
+
+      - name: Upload MapArtsMerger artifact
         uses: actions/upload-artifact@v4
         with:
-          name: built-app
+          name: MapArtsMerger
           path: dist/MapArtsMerger.exe
 
+      - name: Upload ImageToWEBP artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ImageToWEBP
+          path: dist/ImageToWEBP.exe
+
       - name: Release artifact
         if: github.event_name == 'push'
         uses: softprops/action-gh-release@v2
         with:
-          files: dist/MapArtsMerger.exe
+          files: |
+            dist/MapArtsMerger.exe
+            dist/ImageToWEBP.exe
           tag_name: latest
           name: Latest Release
-          body: "Automated release of the latest version."
+          body: "Automated release of the latest versions of MapArtsMerger and ImageToWEBP."
         env:
-          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}

ImageToWEBP.py

@@ -0,0 +1,37 @@
+import os
+import tkinter as tk
+from tkinter import filedialog, messagebox
+from PIL import Image
+
+
+def convert_to_webp():
+    file_paths = filedialog.askopenfilenames(title="Select image files",
+                                             filetypes=[("Image files", "*.png;*.jpg;*.jpeg;*.bmp;*.tiff")])
+
+    if not file_paths:
+        return
+
+    save_dir = filedialog.askdirectory(title="Select destination folder")
+    if not save_dir:
+        return
+
+    for file_path in file_paths:
+        try:
+            img = Image.open(file_path)
+            file_name = os.path.splitext(os.path.basename(file_path))[0] + ".webp"
+            save_path = os.path.join(save_dir, file_name)
+            img.save(save_path, "WEBP", lossless=True)
+        except Exception as e:
+            messagebox.showerror("Error", f"Failed to convert {file_path}: {e}")
+
+    messagebox.showinfo("Success", "All images have been converted to WebP (lossless).")
+
+
+root = tk.Tk()
+root.title("Image to WebP Converter")
+root.geometry("200x100")
+
+btn_select = tk.Button(root, text="Select Images & Convert", command=convert_to_webp, padx=10, pady=5)
+btn_select.pack(pady=20)
+
+root.mainloop()