处理图片的缩放

2025-10-31 15:16:27 +08:00
parent 2555047190
commit 263a061d27
58 changed files with 47 additions and 0 deletions
@@ -0,0 +1,47 @@
+import os
+from PIL import Image
+
+def resize_png_files_simple(folder_path):
+    """
+    简化版本：直接指定文件夹路径
+    """
+    # 处理根目录
+    process_folder(folder_path)
+    
+    # 处理一层子目录
+    for item in os.listdir(folder_path):
+        item_path = os.path.join(folder_path, item)
+        if os.path.isdir(item_path):
+            process_folder(item_path)
+
+def process_folder(folder):
+    """处理单个文件夹中的PNG文件"""
+    for filename in os.listdir(folder):
+        if filename.lower().endswith('.png'):
+            file_path = os.path.join(folder, filename)
+            try:
+                # 打开图片
+                with Image.open(file_path) as img:
+                    # 确保图片是RGBA模式（32位带透明通道）
+                    if img.mode != 'RGBA':
+                        img = img.convert('RGBA')
+                    
+                    # 直接缩放为512x512
+                    resized_img = img.resize((512, 512), Image.Resampling.LANCZOS)
+                    
+                    # 保存为32位PNG，保持透明通道
+                    resized_img.save(file_path, 'PNG', optimize=True)
+                    
+                print(f"✓ 已处理: {filename} ({img.width}x{img.height} -> 512x512)")
+                
+            except Exception as e:
+                print(f"✗ 处理文件 '{filename}' 时出错: {str(e)}")
+
+# 使用方法：直接修改下面的路径为你需要的路径
+if __name__ == "__main__":
+    target_folder = '../example/src/main/assets/pic/action24'
+    if os.path.exists(target_folder):
+        resize_png_files_simple(target_folder)
+        print("所有PNG文件已缩放为512x512！")
+    else:
+        print("文件夹不存在！")