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import tkinter as tk
from tkinter import ttk, filedialog, messagebox
from PIL import Image
import os
import tempfile
import sys
from LVGLImage import LVGLImage, ColorFormat, CompressMethod
HELP_TEXT = """LVGL图片转换工具使用说明
1. 添加文件点击添加文件按钮选择需要转换的图片支持批量导入
2. 移除文件在列表中选中文件前的复选框[ ]选中后会变成[]点击移除选中可删除选定文件
3. 设置分辨率选择需要的分辨率如128x128
建议根据自己的设备的屏幕分辨率来选择过大和过小都会影响显示效果
4. 颜色格式选择自动识别会根据图片是否透明自动选择或手动指定
除非你了解这个选项否则建议使用自动识别不然可能会出现一些意想不到的问题
5. 压缩方式选择NONE或RLE压缩
除非你了解这个选项否则建议保持默认NONE不压缩
6. 输出目录设置转换后文件的保存路径
默认为程序所在目录下的output文件夹
7. 转换点击转换全部转换选中开始转换
"""
class ImageConverterApp:
def __init__(self, root):
self.root = root
self.root.title("LVGL图片转换工具")
self.root.geometry("750x650")
# 初始化变量
self.output_dir = tk.StringVar(value=os.path.abspath("output"))
self.resolution = tk.StringVar(value="128x128")
self.color_format = tk.StringVar(value="自动识别")
self.compress_method = tk.StringVar(value="NONE")
# 创建UI组件
self.create_widgets()
self.redirect_output()
def create_widgets(self):
# 参数设置框架
settings_frame = ttk.LabelFrame(self.root, text="转换设置")
settings_frame.grid(row=0, column=0, padx=10, pady=5, sticky="ew")
# 分辨率设置
ttk.Label(settings_frame, text="分辨率:").grid(row=0, column=0, padx=2)
ttk.Combobox(settings_frame, textvariable=self.resolution,
values=["128x128", "64x64", "32x32"], width=8).grid(row=0, column=1, padx=2)
# 颜色格式
ttk.Label(settings_frame, text="颜色格式:").grid(row=0, column=2, padx=2)
ttk.Combobox(settings_frame, textvariable=self.color_format,
values=["自动识别", "RGB565", "RGB565A8"], width=10).grid(row=0, column=3, padx=2)
# 压缩方式
ttk.Label(settings_frame, text="压缩方式:").grid(row=0, column=4, padx=2)
ttk.Combobox(settings_frame, textvariable=self.compress_method,
values=["NONE", "RLE"], width=8).grid(row=0, column=5, padx=2)
# 文件操作框架
file_frame = ttk.LabelFrame(self.root, text="输入文件")
file_frame.grid(row=1, column=0, padx=10, pady=5, sticky="nsew")
# 文件操作按钮
btn_frame = ttk.Frame(file_frame)
btn_frame.pack(fill=tk.X, pady=2)
ttk.Button(btn_frame, text="添加文件", command=self.select_files).pack(side=tk.LEFT, padx=2)
ttk.Button(btn_frame, text="移除选中", command=self.remove_selected).pack(side=tk.LEFT, padx=2)
ttk.Button(btn_frame, text="清空列表", command=self.clear_files).pack(side=tk.LEFT, padx=2)
# 文件列表Treeview
self.tree = ttk.Treeview(file_frame, columns=("selected", "filename"),
show="headings", height=10)
self.tree.heading("selected", text="选中", anchor=tk.W)
self.tree.heading("filename", text="文件名", anchor=tk.W)
self.tree.column("selected", width=60, anchor=tk.W)
self.tree.column("filename", width=600, anchor=tk.W)
self.tree.pack(fill=tk.BOTH, expand=True)
self.tree.bind("<ButtonRelease-1>", self.on_tree_click)
# 输出目录
output_frame = ttk.LabelFrame(self.root, text="输出目录")
output_frame.grid(row=2, column=0, padx=10, pady=5, sticky="ew")
ttk.Entry(output_frame, textvariable=self.output_dir, width=60).pack(side=tk.LEFT, padx=5)
ttk.Button(output_frame, text="浏览", command=self.select_output_dir).pack(side=tk.RIGHT, padx=5)
# 转换按钮和帮助按钮
convert_frame = ttk.Frame(self.root)
convert_frame.grid(row=3, column=0, padx=10, pady=10)
ttk.Button(convert_frame, text="转换全部文件", command=lambda: self.start_conversion(True)).pack(side=tk.LEFT, padx=5)
ttk.Button(convert_frame, text="转换选中文件", command=lambda: self.start_conversion(False)).pack(side=tk.LEFT, padx=5)
ttk.Button(convert_frame, text="帮助", command=self.show_help).pack(side=tk.RIGHT, padx=5)
# 日志区域(新增清空按钮部分)
log_frame = ttk.LabelFrame(self.root, text="日志")
log_frame.grid(row=4, column=0, padx=10, pady=5, sticky="nsew")
# 添加按钮框架
log_btn_frame = ttk.Frame(log_frame)
log_btn_frame.pack(fill=tk.X, side=tk.BOTTOM)
# 清空日志按钮
ttk.Button(log_btn_frame, text="清空日志", command=self.clear_log).pack(side=tk.RIGHT, padx=5, pady=2)
self.log_text = tk.Text(log_frame, height=15)
self.log_text.pack(fill=tk.BOTH, expand=True)
# 布局配置
self.root.columnconfigure(0, weight=1)
self.root.rowconfigure(1, weight=1)
self.root.rowconfigure(4, weight=1)
def clear_log(self):
"""清空日志内容"""
self.log_text.delete(1.0, tk.END)
def show_help(self):
messagebox.showinfo("帮助", HELP_TEXT)
def redirect_output(self):
class StdoutRedirector:
def __init__(self, text_widget):
self.text_widget = text_widget
self.original_stdout = sys.stdout
def write(self, message):
self.text_widget.insert(tk.END, message)
self.text_widget.see(tk.END)
self.original_stdout.write(message)
def flush(self):
self.original_stdout.flush()
sys.stdout = StdoutRedirector(self.log_text)
def on_tree_click(self, event):
region = self.tree.identify("region", event.x, event.y)
if region == "cell":
col = self.tree.identify_column(event.x)
item = self.tree.identify_row(event.y)
if col == "#1": # 点击的是选中列
current_val = self.tree.item(item, "values")[0]
new_val = "[√]" if current_val == "[ ]" else "[ ]"
self.tree.item(item, values=(new_val, self.tree.item(item, "values")[1]))
def select_output_dir(self):
path = filedialog.askdirectory()
if path:
self.output_dir.set(path)
def select_files(self):
files = filedialog.askopenfilenames(filetypes=[("图片文件", "*.png;*.jpg;*.jpeg;*.bmp;*.gif")])
for f in files:
self.tree.insert("", tk.END, values=("[ ]", os.path.basename(f)), tags=(f,))
def remove_selected(self):
to_remove = []
for item in self.tree.get_children():
if self.tree.item(item, "values")[0] == "[√]":
to_remove.append(item)
for item in reversed(to_remove):
self.tree.delete(item)
def clear_files(self):
for item in self.tree.get_children():
self.tree.delete(item)
def start_conversion(self, convert_all):
input_files = [
self.tree.item(item, "tags")[0]
for item in self.tree.get_children()
if convert_all or self.tree.item(item, "values")[0] == "[√]"
]
if not input_files:
msg = "没有找到可转换的文件" if convert_all else "没有选中任何文件"
messagebox.showwarning("警告", msg)
return
os.makedirs(self.output_dir.get(), exist_ok=True)
# 解析转换参数
width, height = map(int, self.resolution.get().split('x'))
compress = CompressMethod.RLE if self.compress_method.get() == "RLE" else CompressMethod.NONE
# 执行转换
self.convert_images(input_files, width, height, compress)
def convert_images(self, input_files, width, height, compress):
success_count = 0
total_files = len(input_files)
for idx, file_path in enumerate(input_files):
try:
print(f"正在处理: {os.path.basename(file_path)}")
with Image.open(file_path) as img:
# 调整图片大小
img = img.resize((width, height), Image.Resampling.LANCZOS)
# 处理颜色格式
color_format_str = self.color_format.get()
if color_format_str == "自动识别":
# 检测透明通道
has_alpha = img.mode in ('RGBA', 'LA') or (img.mode == 'P' and 'transparency' in img.info)
if has_alpha:
img = img.convert('RGBA')
cf = ColorFormat.RGB565A8
else:
img = img.convert('RGB')
cf = ColorFormat.RGB565
else:
if color_format_str == "RGB565A8":
img = img.convert('RGBA')
cf = ColorFormat.RGB565A8
else:
img = img.convert('RGB')
cf = ColorFormat.RGB565
# 保存调整后的图片
base_name = os.path.splitext(os.path.basename(file_path))[0]
output_image_path = os.path.join(self.output_dir.get(), f"{base_name}_{width}x{height}.png")
img.save(output_image_path, 'PNG')
# 创建临时文件
with tempfile.NamedTemporaryFile(suffix=".png", delete=False) as tmpfile:
temp_path = tmpfile.name
img.save(temp_path, 'PNG')
# 转换为LVGL C数组
lvgl_img = LVGLImage().from_png(temp_path, cf=cf)
output_c_path = os.path.join(self.output_dir.get(), f"{base_name}.c")
lvgl_img.to_c_array(output_c_path, compress=compress)
success_count += 1
os.unlink(temp_path)
print(f"成功转换: {base_name}.c\n")
except Exception as e:
print(f"转换失败: {str(e)}\n")
print(f"转换完成! 成功 {success_count}/{total_files} 个文件\n")
if __name__ == "__main__":
root = tk.Tk()
app = ImageConverterApp(root)
root.mainloop()