action

debug_img.py

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+from PIL import Image
+import os
+
+def debug_image(image_path):
+    if not os.path.exists(image_path):
+        print(f"Error: {image_path} not found")
+        return
+
+    img = Image.open(image_path)
+    print(f"Original mode: {img.mode}")
+    
+    # 模拟 convert_img.py 的处理流程
+    if img.mode in ('RGBA', 'LA') or (img.mode == 'P' and 'transparency' in img.info):
+        alpha = img.convert('RGBA').split()[-1]
+        bg = Image.new("RGBA", img.size, (255, 255, 255, 255))
+        bg.paste(img, mask=alpha)
+        img = bg
+    
+    img = img.convert('L')
+    img = img.convert('1')
+    print(f"Converted mode: {img.mode}")
+    
+    width, height = img.size
+    print(f"Size: {width}x{height}")
+    
+    zeros = 0
+    non_zeros = 0
+    values = {}
+    
+    # 采样一些像素
+    for y in range(min(height, 10)):
+        row_vals = []
+        for x in range(min(width, 10)):
+            val = img.getpixel((x, y))
+            row_vals.append(str(val))
+        print(f"Row {y} first 10 pixels: {', '.join(row_vals)}")
+        
+    # 统计所有像素
+    for y in range(height):
+        for x in range(width):
+            val = img.getpixel((x, y))
+            if val == 0:
+                zeros += 1
+            else:
+                non_zeros += 1
+                if val not in values:
+                    values[val] = 0
+                values[val] += 1
+                
+    print(f"Total pixels: {width*height}")
+    print(f"Zeros (Black?): {zeros}")
+    print(f"Non-zeros (White?): {non_zeros}")
+    print(f"Non-zero values distribution: {values}")
+
+if __name__ == "__main__":
+    # 尝试找一个存在的图片，或者创建一个
+    img_path = "test_image.png"
+    if not os.path.exists(img_path):
+        # 创建一个简单的测试图片
+        img = Image.new('RGB', (100, 100), color = 'white')
+        # 画个黑框
+        from PIL import ImageDraw
+        d = ImageDraw.Draw(img)
+        d.rectangle([10, 10, 90, 90], outline='black', fill='black')
+        img.save("debug_test.png")
+        img_path = "debug_test.png"
+        print("Created debug_test.png")
+        
+    debug_image(img_path)