from tkinter import filedialog, messagebox, ttk
def mm_to_pixels(mm, dpi=DPI):
def convert_image(input_path, output_path, conversion_type, sizes=None):
conversion_type: 转换类型 ('jpg_to_ico', 'jpg_to_png', 'png_to_jpg')
sizes: ICO 文件包含的尺寸列表，仅对 jpg_to_ico 转换有效
if conversion_type == 'jpg_to_ico':
with Image.open(input_path) as img:
# 转换为 RGBA 模式（ICO 格式支持透明度）
img = img.convert('RGBA')
icon_sizes = [(size, size) for size in sizes]
resized_img = img.resize(size, Image.Resampling.LANCZOS)
images.append(resized_img)
append_images=images[1:],
elif conversion_type == 'jpg_to_png':
with Image.open(input_path) as img:
# 转换为 RGB 模式（PNG 格式支持透明度，但JPG没有透明度）
img.save(output_path, format='PNG', optimize=True)
elif conversion_type == 'png_to_jpg':
with Image.open(input_path) as img:
background = Image.new('RGB', img.size, (255, 255, 255))
background.paste(img, mask=img.split()[-1])
img.save(output_path, format='JPEG', quality=95, optimize=True)
return True, f"转换成功！文件已保存至: {output_path}"
return False, f"转换失败: {str(e)}"
def crop_photo(input_path, output_path, photo_size, dpi=DPI, custom_width=0, custom_height=0):
width_mm, height_mm = custom_width, custom_height
width_mm, height_mm = PHOTO_SIZES[photo_size]
width_px = mm_to_pixels(width_mm, dpi)
height_px = mm_to_pixels(height_mm, dpi)
with Image.open(input_path) as img:
img_width, img_height = img.size
target_ratio = width_px / height_px
img_ratio = img_width / img_height
if img_ratio > target_ratio:
new_width = int(img_height * target_ratio)
left = (img_width - new_width) // 2
new_height = int(img_width / target_ratio)
top = (img_height - new_height) // 2
bottom = top + new_height
cropped_img = img.crop((left, top, right, bottom))
resized_img = cropped_img.resize((width_px, height_px), Image.Resampling.LANCZOS)
if output_path.lower().endswith('.jpg') or output_path.lower().endswith('.jpeg'):
if resized_img.mode != 'RGB':
resized_img = resized_img.convert('RGB')
resized_img.save(output_path, format='JPEG', quality=95, optimize=True)
resized_img.save(output_path, optimize=True)
return True, f"裁切成功！{photo_size}照片已保存至: {output_path}"
return False, f"裁切失败: {str(e)}"
if tab_control.index(tab_control.select()) == 0: # 格式转换标签
conversion_type = conversion_var.get()
if conversion_type == 'jpg_to_ico' or conversion_type == 'jpg_to_png':
filetypes = [("JPG 文件", "*.jpg;*.jpeg"), ("所有文件", "*.*")]
elif conversion_type == 'png_to_jpg':
filetypes = [("PNG 文件", "*.png"), ("所有文件", "*.*")]
filetypes = [("所有文件", "*.*")]
filetypes = [("图片文件", "*.jpg;*.jpeg;*.png;*.bmp"), ("所有文件", "*.*")]
file_path = filedialog.askopenfilename(
entry_input.delete(0, tk.END)
entry_input.insert(0, file_path)
base_name = os.path.splitext(file_path)[0]
if tab_control.index(tab_control.select()) == 0: # 格式转换标签
conversion_type = conversion_var.get()
if conversion_type == 'jpg_to_ico':
output_path = base_name + ".ico"
elif conversion_type == 'jpg_to_png':
output_path = base_name + ".png"
elif conversion_type == 'png_to_jpg':
output_path = base_name + ".jpg"
output_path = base_name + "_cropped.jpg"
entry_output.delete(0, tk.END)
entry_output.insert(0, output_path)
def select_output_file():
if tab_control.index(tab_control.select()) == 0: # 格式转换标签
conversion_type = conversion_var.get()
if conversion_type == 'jpg_to_ico':
filetypes = [("ICO 文件", "*.ico"), ("所有文件", "*.*")]
defaultextension = ".ico"
elif conversion_type == 'jpg_to_png':
filetypes = [("PNG 文件", "*.png"), ("所有文件", "*.*")]
defaultextension = ".png"
elif conversion_type == 'png_to_jpg':
filetypes = [("JPG 文件", "*.jpg;*.jpeg"), ("所有文件", "*.*")]
defaultextension = ".jpg"
filetypes = [("所有文件", "*.*")]
filetypes = [("JPG 文件", "*.jpg;*.jpeg"), ("PNG 文件", "*.png"), ("所有文件", "*.*")]
defaultextension = ".jpg"
file_path = filedialog.asksaveasfilename(
defaultextension=defaultextension,
entry_output.delete(0, tk.END)
entry_output.insert(0, file_path)
def update_size_selection():
if tab_control.index(tab_control.select()) == 0: # 格式转换标签
conversion_type = conversion_var.get()
if conversion_type == 'jpg_to_ico':
frame_sizes.pack(padx=10, pady=5, fill="x")
for widget in frame_sizes.winfo_children():
widget.configure(state="normal")
frame_sizes.pack_forget()
for widget in frame_sizes.winfo_children():
widget.configure(state="disabled")
frame_sizes.pack_forget()
for widget in frame_sizes.winfo_children():
widget.configure(state="disabled")
def update_custom_size_fields():
if photo_size_var.get() == "自定义":
entry_custom_width.config(state="normal")
entry_custom_height.config(state="normal")
entry_custom_width.config(state="disabled")
entry_custom_height.config(state="disabled")
input_path = entry_input.get()
output_path = entry_output.get()
messagebox.showerror("错误", "请选择输入文件")
messagebox.showerror("错误", "请指定输出文件路径")
if tab_control.index(tab_control.select()) == 0: # 格式转换标签
conversion_type = conversion_var.get()
if conversion_type == 'jpg_to_ico':
if var_16.get(): sizes.append(16)
if var_32.get(): sizes.append(32)
if var_48.get(): sizes.append(48)
if var_64.get(): sizes.append(64)
if var_128.get(): sizes.append(128)
if var_256.get(): sizes.append(256)
messagebox.showerror("错误", "请至少选择一个图标尺寸")
success, message = convert_image(input_path, output_path, conversion_type, sizes)
photo_size = photo_size_var.get()
custom_width = float(entry_custom_width.get())
custom_height = float(entry_custom_height.get())
if custom_width <= 0 or custom_height <= 0:
messagebox.showerror("错误", "自定义尺寸必须大于0")
messagebox.showerror("错误", "请输入有效的自定义尺寸")
messagebox.showerror("错误", "DPI必须大于0")
messagebox.showerror("错误", "请输入有效的DPI值")
success, message = crop_photo(
messagebox.showinfo("成功", message)
messagebox.showerror("错误", message)
root.title("高级图像格式转换与证件照裁切工具")
root.resizable(False, False)
tab_control = ttk.Notebook(root)
tab_format = ttk.Frame(tab_control)
tab_control.add(tab_format, text='格式转换')
tab_photo = ttk.Frame(tab_control)
tab_control.add(tab_photo, text='证件照裁切')
tab_control.pack(expand=1, fill='both', padx=10, pady=10)
frame_conversion = tk.LabelFrame(tab_format, text="转换类型", padx=10, pady=10)
frame_conversion.pack(padx=10, pady=5, fill="x")
conversion_var = tk.StringVar(value="jpg_to_ico")
tk.Radiobutton(frame_conversion, text="JPG 转 ICO", variable=conversion_var, value="jpg_to_ico", command=update_size_selection).pack(anchor="w")
tk.Radiobutton(frame_conversion, text="JPG 转 PNG", variable=conversion_var, value="jpg_to_png", command=update_size_selection).pack(anchor="w")
tk.Radiobutton(frame_conversion, text="PNG 转 JPG", variable=conversion_var, value="png_to_jpg", command=update_size_selection).pack(anchor="w")
frame_files = tk.LabelFrame(tab_format, text="文件选择", padx=10, pady=10)
frame_files.pack(padx=10, pady=5, fill="x")
tk.Label(frame_files, text="输入文件:").grid(row=0, column=0, sticky="w", pady=5)
entry_input = tk.Entry(frame_files, width=40)
entry_input.grid(row=0, column=1, padx=5, pady=5)
tk.Button(frame_files, text="浏览...", command=select_input_file).grid(row=0, column=2, padx=5, pady=5)
tk.Label(frame_files, text="输出文件:").grid(row=1, column=0, sticky="w", pady=5)
entry_output = tk.Entry(frame_files, width=40)
entry_output.grid(row=1, column=1, padx=5, pady=5)
tk.Button(frame_files, text="浏览...", command=select_output_file).grid(row=1, column=2, padx=5, pady=5)
# 尺寸选择框架（初始隐藏，仅在JPG转ICO时显示）
frame_sizes = tk.LabelFrame(tab_format, text="图标尺寸", padx=10, pady=10)
var_16 = tk.BooleanVar(value=True)
var_32 = tk.BooleanVar(value=True)
var_48 = tk.BooleanVar(value=True)
var_64 = tk.BooleanVar(value=True)
var_128 = tk.BooleanVar(value=True)
var_256 = tk.BooleanVar(value=True)
tk.Checkbutton(frame_sizes, text="16x16", variable=var_16).grid(row=0, column=0, sticky="w")
tk.Checkbutton(frame_sizes, text="32x32", variable=var_32).grid(row=0, column=1, sticky="w")
tk.Checkbutton(frame_sizes, text="48x48", variable=var_48).grid(row=0, column=2, sticky="w")
tk.Checkbutton(frame_sizes, text="64x64", variable=var_64).grid(row=1, column=0, sticky="w")
tk.Checkbutton(frame_sizes, text="128x128", variable=var_128).grid(row=1, column=1, sticky="w")
tk.Checkbutton(frame_sizes, text="256x256", variable=var_256).grid(row=1, column=2, sticky="w")
frame_photo_size = tk.LabelFrame(tab_photo, text="证件照尺寸", padx=10, pady=10)
frame_photo_size.pack(padx=10, pady=5, fill="x")
photo_size_var = tk.StringVar(value="一寸")
photo_sizes = list(PHOTO_SIZES.keys())
size_dropdown = ttk.Combobox(frame_photo_size, textvariable=photo_size_var, values=photo_sizes, state="readonly")
size_dropdown.pack(pady=5)
size_dropdown.bind('<<ComboboxSelected>>', lambda e: update_custom_size_fields())
frame_custom_size = tk.LabelFrame(tab_photo, text="自定义尺寸 (毫米)", padx=10, pady=10)
frame_custom_size.pack(padx=10, pady=5, fill="x")
tk.Label(frame_custom_size, text="宽度:").grid(row=0, column=0, sticky="w", pady=5)
entry_custom_width = tk.Entry(frame_custom_size, width=10)
entry_custom_width.grid(row=0, column=1, padx=5, pady=5)
tk.Label(frame_custom_size, text="毫米").grid(row=0, column=2, sticky="w", pady=5)
tk.Label(frame_custom_size, text="高度:").grid(row=1, column=0, sticky="w", pady=5)
entry_custom_height = tk.Entry(frame_custom_size, width=10)
entry_custom_height.grid(row=1, column=1, padx=5, pady=5)
tk.Label(frame_custom_size, text="毫米").grid(row=1, column=2, sticky="w", pady=5)
frame_dpi = tk.LabelFrame(tab_photo, text="DPI 设置", padx=10, pady=10)
frame_dpi.pack(padx=10, pady=5, fill="x")
dpi_var = tk.StringVar(value="300")
tk.Label(frame_dpi, text="每英寸点数:").grid(row=0, column=0, sticky="w", pady=5)
entry_dpi = tk.Entry(frame_dpi, textvariable=dpi_var, width=10)
entry_dpi.grid(row=0, column=1, padx=5, pady=5)
frame_photo_files = tk.LabelFrame(tab_photo, text="文件选择", padx=10, pady=10)
frame_photo_files.pack(padx=10, pady=5, fill="x")
tk.Label(frame_photo_files, text="输入文件:").grid(row=0, column=0, sticky="w", pady=5)
entry_photo_input = tk.Entry(frame_photo_files, width=40)
entry_photo_input.grid(row=0, column=1, padx=5, pady=5)
tk.Button(frame_photo_files, text="浏览...", command=select_input_file).grid(row=0, column=2, padx=5, pady=5)
tk.Label(frame_photo_files, text="输出文件:").grid(row=1, column=0, sticky="w", pady=5)
entry_photo_output = tk.Entry(frame_photo_files, width=40)
entry_photo_output.grid(row=1, column=1, padx=5, pady=5)
tk.Button(frame_photo_files, text="浏览...", command=select_output_file).grid(row=1, column=2, padx=5, pady=5)
btn_convert = tk.Button(root, text="开始处理", command=start_conversion, bg="#4CAF50", fg="white", font=("Arial", 12))
btn_convert.pack(pady=20)
update_custom_size_fields()
