78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
|
from PIL import Image
|
|||
|
|
import os
|
|||
|
|
|
|||
|
|
|
|||
|
|
def smart_crop_to_multiple(input_path, output_dir, tile_size=(512, 512)):
|
|||
|
|
"""
|
|||
|
|
智能裁剪，尽量保持重要内容不被分割
|
|||
|
|
"""
|
|||
|
|
os.makedirs(output_dir, exist_ok=True)
|
|||
|
|
|
|||
|
|
with Image.open(input_path) as img:
|
|||
|
|
img_width, img_height = img.size
|
|||
|
|
tile_width, tile_height = tile_size
|
|||
|
|
|
|||
|
|
# 计算行列数（取整）
|
|||
|
|
cols = img_width // tile_width
|
|||
|
|
rows = img_height // tile_height
|
|||
|
|
|
|||
|
|
# 处理余数，均匀分配到各列/行
|
|||
|
|
width_remainder = img_width % tile_width
|
|||
|
|
height_remainder = img_height % tile_height
|
|||
|
|
|
|||
|
|
# 调整每列的宽度（如果有余数）
|
|||
|
|
col_widths = []
|
|||
|
|
if cols > 0:
|
|||
|
|
base_width = tile_width
|
|||
|
|
extra_per_col = width_remainder // cols
|
|||
|
|
extra_for_last = width_remainder % cols
|
|||
|
|
|
|||
|
|
for i in range(cols):
|
|||
|
|
width = base_width + extra_per_col
|
|||
|
|
if i == cols - 1: # 最后一列
|
|||
|
|
width += extra_for_last
|
|||
|
|
col_widths.append(width)
|
|||
|
|
|
|||
|
|
# 调整每行的高度（如果有余数）
|
|||
|
|
row_heights = []
|
|||
|
|
if rows > 0:
|
|||
|
|
base_height = tile_height
|
|||
|
|
extra_per_row = height_remainder // rows
|
|||
|
|
extra_for_last = height_remainder % rows
|
|||
|
|
|
|||
|
|
for i in range(rows):
|
|||
|
|
height = base_height + extra_per_row
|
|||
|
|
if i == rows - 1: # 最后一行
|
|||
|
|
height += extra_for_last
|
|||
|
|
row_heights.append(height)
|
|||
|
|
|
|||
|
|
count = 0
|
|||
|
|
current_y = 0
|
|||
|
|
for row in range(rows):
|
|||
|
|
current_x = 0
|
|||
|
|
for col in range(cols):
|
|||
|
|
# 计算裁剪区域
|
|||
|
|
left = current_x
|
|||
|
|
upper = current_y
|
|||
|
|
right = left + col_widths[col] if col < len(col_widths) else left + tile_width
|
|||
|
|
lower = upper + row_heights[row] if row < len(row_heights) else upper + tile_height
|
|||
|
|
|
|||
|
|
# 裁剪
|
|||
|
|
tile = img.crop((left, upper, right, lower))
|
|||
|
|
|
|||
|
|
# 保存
|
|||
|
|
filename = f"smart_tile_{row + 1:03d}_{col + 1:03d}_{tile.width}x{tile.height}.png"
|
|||
|
|
output_path = os.path.join(output_dir, filename)
|
|||
|
|
tile.save(output_path)
|
|||
|
|
|
|||
|
|
print(f"已保存: {filename}")
|
|||
|
|
|
|||
|
|
current_x = right
|
|||
|
|
count += 1
|
|||
|
|
current_y = lower
|
|||
|
|
|
|||
|
|
print(f"\n总共裁剪出 {count} 个智能小图片")
|
|||
|
|
|
|||
|
|
|
|||
|
|
# 使用示例
|
|||
|
|
smart_crop_to_multiple(r"E:\DC\Yolov\uploads\费县8-13-19-9-14-20-148.JPG", "smart_tiles", tile_size=(1280, 1280))
|