282 lines
9.6 KiB
Python
282 lines
9.6 KiB
Python
"""Local Dimming 测试逻辑（应用层）。
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整合自原 drivers/local_dimming_test.py：窗口图片生成与测试主循环
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直接落在本模块，UCD 通用操作下沉到 drivers.ucd_helpers。
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"""
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import atexit
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import csv
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import datetime
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import os
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import shutil
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import sys
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import threading
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import time
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import tkinter as tk
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from tkinter import filedialog, messagebox
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import numpy as np
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from PIL import Image
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from drivers.ucd_helpers import get_current_resolution, send_image_pattern
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# --------------------------------------------------------------------------
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# 模块级常量与窗口图片缓存
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# --------------------------------------------------------------------------
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DEFAULT_WINDOW_PERCENTAGES = [1, 2, 5, 10, 18, 25, 50, 75, 100]
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_TEMP_DIR = None
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_IMAGE_CACHE = {} # {(width, height, percentage): file_path}
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def _cleanup_temp_dir():
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global _TEMP_DIR
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if _TEMP_DIR and os.path.exists(_TEMP_DIR):
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try:
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shutil.rmtree(_TEMP_DIR)
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except Exception:
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pass
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_TEMP_DIR = None
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_IMAGE_CACHE.clear()
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def _get_temp_dir():
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global _TEMP_DIR
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if _TEMP_DIR is None:
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if getattr(sys, "frozen", False):
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base = os.path.dirname(sys.executable)
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else:
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base = os.getcwd()
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_TEMP_DIR = os.path.join(base, "temp_local_dimming")
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os.makedirs(_TEMP_DIR, exist_ok=True)
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atexit.register(_cleanup_temp_dir)
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return _TEMP_DIR
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def _make_window_image_array(width, height, percentage):
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"""生成黑底+居中白窗的 numpy 图像，保持屏幕比例。"""
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image = np.zeros((height, width, 3), dtype=np.uint8)
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if percentage >= 100:
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ww, wh = width, height
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else:
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scale = (percentage / 100.0) ** 0.5
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ww = int(width * scale)
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wh = int(height * scale)
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x1 = (width - ww) // 2
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y1 = (height - wh) // 2
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image[y1:y1 + wh, x1:x1 + ww] = 255
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return image
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def _ensure_window_image(width, height, percentage):
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"""生成或复用缓存的窗口 PNG 文件，返回路径。"""
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key = (width, height, percentage)
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cached = _IMAGE_CACHE.get(key)
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if cached and os.path.exists(cached):
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return cached
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arr = _make_window_image_array(width, height, percentage)
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fname = f"window_{width}x{height}_{percentage:03d}percent.png"
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path = os.path.join(_get_temp_dir(), fname)
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Image.fromarray(arr, mode="RGB").save(path, format="PNG")
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_IMAGE_CACHE[key] = path
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return path
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# --------------------------------------------------------------------------
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# GUI 入口（绑定为 PQAutomationApp 方法）
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# --------------------------------------------------------------------------
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def start_local_dimming_test(self):
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"""开始 Local Dimming 测试。"""
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if not self.ca or not self.ucd.status:
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messagebox.showerror("错误", "请先连接 CA410 和 UCD323")
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return
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self.ld_start_btn.config(state=tk.DISABLED)
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self.ld_stop_btn.config(state=tk.NORMAL)
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self.ld_save_btn.config(state=tk.DISABLED)
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for item in self.ld_tree.get_children():
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self.ld_tree.delete(item)
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wait_time = float(self.ld_wait_time_var.get())
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stop_event = threading.Event()
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self.ld_stop_event = stop_event
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def worker():
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log = self.log_gui.log
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log("=" * 60, level="separator")
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log("开始 Local Dimming 测试", level="info")
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log("=" * 60, level="separator")
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width, height = get_current_resolution(self.ucd)
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total = len(DEFAULT_WINDOW_PERCENTAGES)
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log(f" 分辨率: {width}x{height}", level="info")
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log(f" 测试窗口: {DEFAULT_WINDOW_PERCENTAGES}", level="info")
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log(f" 等待时间: {wait_time} 秒", level="info")
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results = []
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for i, percentage in enumerate(DEFAULT_WINDOW_PERCENTAGES, 1):
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if stop_event.is_set():
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log("测试已停止", level="error")
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break
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log(f"[{i}/{total}] 测试 {percentage}% 窗口...", level="info")
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try:
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image_path = _ensure_window_image(width, height, percentage)
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except Exception as e:
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log(f" [Error] 图像生成失败: {e}", level="error")
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continue
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if not send_image_pattern(self.ucd, image_path):
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log(f" [Error] {percentage}% 窗口发送失败，跳过", level="error")
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continue
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log(f"等待 {wait_time} 秒...", level="info")
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time.sleep(wait_time)
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try:
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x, y, lv, _X, _Y, _Z = self.ca.readAllDisplay()
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except Exception as e:
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log(f" [Error] 采集亮度异常: {e}", level="error")
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continue
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if lv is None:
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log(f" [Error] {percentage}% 窗口采集失败", level="error")
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continue
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log(f"采集亮度: {lv:.2f} cd/m²", level="info")
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results.append((percentage, x, y, lv, _X, _Y, _Z))
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log("=" * 60, level="separator")
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log(f"Local Dimming 测试完成 ({len(results)}/{total})", level="success")
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log("=" * 60, level="separator")
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self.ld_test_results = results
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self._dispatch_ui(self.update_ld_results, results)
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self._dispatch_ui(self.ld_start_btn.config, state=tk.NORMAL)
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self._dispatch_ui(self.ld_stop_btn.config, state=tk.DISABLED)
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self._dispatch_ui(self.ld_save_btn.config, state=tk.NORMAL)
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threading.Thread(target=worker, daemon=True).start()
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def update_ld_results(self, results):
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"""把批量测试结果填入 Treeview。"""
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for percentage, x, y, lv, _X, _Y, _Z in results:
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self.ld_tree.insert(
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"", tk.END,
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values=(f"{percentage}%", f"{lv:.2f}", f"{x:.4f}", f"{y:.4f}"),
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)
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def stop_local_dimming_test(self):
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"""请求停止当前 Local Dimming 测试。"""
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ev = getattr(self, "ld_stop_event", None)
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if ev:
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ev.set()
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def send_ld_window(self, percentage):
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"""发送指定百分比的白色窗口（手动模式）。"""
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if not self.ucd.status:
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messagebox.showwarning("警告", "请先连接 UCD323 设备")
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return
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self.log_gui.log(f"🔆 发送 {percentage}% 窗口...", level="info")
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self.current_ld_percentage = percentage
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def send():
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width, height = get_current_resolution(self.ucd)
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try:
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image_path = _ensure_window_image(width, height, percentage)
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except Exception as e:
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self._dispatch_ui(self.log_gui.log, f"[Error] 图像生成失败: {e}")
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return
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ok = send_image_pattern(self.ucd, image_path)
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msg = (
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f"{percentage}% 窗口已发送" if ok
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else f"[Error] {percentage}% 窗口发送失败"
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)
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self._dispatch_ui(self.log_gui.log, msg)
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threading.Thread(target=send, daemon=True).start()
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def measure_ld_luminance(self):
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"""测量当前显示的亮度并追加一行到 Treeview。"""
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if not self.ca:
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messagebox.showwarning("警告", "请先连接 CA410 色度计")
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return
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if self.current_ld_percentage is None:
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messagebox.showinfo("提示", "请先发送一个窗口图案")
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return
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self.log_gui.log("📏 正在采集亮度...", level="info")
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def measure():
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try:
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x, y, lv, _X, _Y, _Z = self.ca.readAllDisplay()
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except Exception as e:
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self._dispatch_ui(self.log_gui.log, f"[Error] 采集异常: {str(e)}")
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return
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if lv is None:
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self._dispatch_ui(self.log_gui.log, "[Error] 采集失败")
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return
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timestamp = datetime.datetime.now().strftime("%H:%M:%S")
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self._dispatch_ui(
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self.ld_result_label.config,
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text=f"亮度: {lv:.2f} cd/m² | x: {x:.4f} | y: {y:.4f}",
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)
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self._dispatch_ui(
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self.ld_tree.insert, "", tk.END,
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values=(
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f"{self.current_ld_percentage}%",
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f"{lv:.2f}", f"{x:.4f}", f"{y:.4f}", timestamp,
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),
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)
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self._dispatch_ui(self.log_gui.log, f"采集完成: {lv:.2f} cd/m²")
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threading.Thread(target=measure, daemon=True).start()
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def clear_ld_records(self):
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"""清空 Treeview 中的测试记录。"""
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for item in self.ld_tree.get_children():
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self.ld_tree.delete(item)
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self.ld_result_label.config(text="亮度: -- cd/m² | x: -- | y: --")
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self.current_ld_percentage = None
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self.log_gui.log("测试记录已清空", level="info")
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def save_local_dimming_results(self):
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"""把 Treeview 中的全部记录导出为 CSV。"""
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if len(self.ld_tree.get_children()) == 0:
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messagebox.showinfo("提示", "没有可保存的数据")
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return
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default_name = (
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f"LocalDimming_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
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)
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save_path = filedialog.asksaveasfilename(
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title="保存测试结果",
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initialfile=default_name,
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defaultextension=".csv",
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filetypes=[("CSV 文件", "*.csv"), ("所有文件", "*.*")],
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)
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if not save_path:
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return
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try:
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with open(save_path, "w", newline="", encoding="utf-8-sig") as f:
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writer = csv.writer(f)
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writer.writerow(["窗口百分比", "亮度 (cd/m²)", "x", "y", "时间"])
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for item in self.ld_tree.get_children():
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writer.writerow(self.ld_tree.item(item, "values"))
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self.log_gui.log(f"测试结果已保存: {save_path}", level="success")
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messagebox.showinfo("成功", f"测试结果已保存到:\n{save_path}")
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except Exception as e:
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self.log_gui.log(f"[Error] 保存失败: {str(e)}", level="error")
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messagebox.showerror("错误", f"保存失败: {str(e)}")
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