#!/usr/bin/env python3 # coding: utf-8 import os import cv2 from PIL import Image, ImageDraw, ImageFont import ctypes from ctypes import * import glob import sys # ============================================================ # SDK Load # ============================================================ CURRENT_DIR = os.path.dirname(os.path.abspath(__file__)) MAIN_SO_NAME = "libbx_sdkDual.so" MAIN_SO = os.path.join(CURRENT_DIR, MAIN_SO_NAME) def preload_shared_objects(so_dir): print(f"自动加载 so 路径：{so_dir}") if not os.path.isdir(so_dir): print(f"错误：目录不存在: {so_dir}") return None so_list = glob.glob(os.path.join(so_dir, "*.so*")) iconv_files = [s for s in so_list if "libiconv" in os.path.basename(s)] loaded = set() for f in iconv_files: try: ctypes.CDLL(f, mode=ctypes.RTLD_GLOBAL) print(f"已加载 libiconv: {f}") loaded.add(f) except Exception as e: print(f"加载失败 {f}: {e}") for f in so_list: if os.path.basename(f) == MAIN_SO_NAME or f in loaded: continue try: ctypes.CDLL(f, mode=ctypes.RTLD_GLOBAL) print(f"已加载依赖库: {f}") except Exception as e: print(f"跳过无法加载的库 {f}: {e}") if os.path.exists(MAIN_SO): try: lib = ctypes.CDLL(MAIN_SO, mode=ctypes.RTLD_GLOBAL) print(f"成功加载主库: {MAIN_SO}") return lib except Exception as e: print(f"主库加载失败: {MAIN_SO} -> {e}") return None else: print(f"主库不存在: {MAIN_SO}") return None os.environ["LD_LIBRARY_PATH"] = CURRENT_DIR + ":" + os.environ.get("LD_LIBRARY_PATH", "") os.environ["PATH"] = CURRENT_DIR + ":" + os.environ.get("PATH", "") lib = preload_shared_objects(CURRENT_DIR) if lib is None: print("无法加载主库，程序退出") sys.exit(1) # ====================== 生成 LED 表格 ====================== def generate_led_table(data, output_path="led_send.png", font_path="msyh.ttc"): from PIL import Image, ImageDraw, ImageFont try: font_title = ImageFont.truetype(font_path, 24) font_data = ImageFont.truetype(font_path, 20) font_data_big = ImageFont.truetype(font_path, 22) font_small = ImageFont.truetype(font_path, 16) header_font = ImageFont.truetype(font_path, 26) except IOError: print("字体未找到，使用默认字体") font_title = font_data = font_data_big = font_small = ImageFont.load_default() header_font = ImageFont.load_default() total_width, total_height = 630, 430 img = Image.new("RGB", (total_width, total_height), (0, 0, 0)) draw = ImageDraw.Draw(img) col_count = 4 row_count = 8 row_heights = [int(total_height * 0.095)] * 6 + [int(total_height * 0.15), int(total_height * 0.15)] y_positions = [0] for h in row_heights: y_positions.append(y_positions[-1] + h) col_width = total_width // col_count # 表头 header_text = "浇筑工序信息屏测试" bbox = draw.textbbox((0, 0), header_text, font=header_font) tw, th = bbox[2] - bbox[0], bbox[3] - bbox[1] draw.text(((total_width - tw) // 2, 7), header_text, fill="Yellow", font=header_font) # safe float try: task_quantity = float(data.get("TotMete", 0.0)) fixed_value = float(data.get("BetonVolumeAlready", 0.0)) except Exception: task_quantity = 0.0 fixed_value = 0.0 task_quantity_str = f"{task_quantity}" fixed_value_str = f"/{fixed_value}" table_data = [ ["本盘方量", "当前模具", "高斗称值", "低斗称值"], [str(data.get("PlateVolume", "")), str(data.get("MouldCode", "")), str(data.get("UpperWeight", "")), str(data.get("LowerWeight", ""))], ["投料时间", "当前管片", "砼出料温度", "振捣频率"], [str(data.get("ProduceStartTime", "")), str(data.get("ArtifactID", "")), str(data.get("Temper", "")), str(data.get("VibrationFrequency", ""))], ["累计盘次", "隐蔽验收", "车间环温", "任务方量"], [str(data.get("PlateIDSerial", "")), str(data.get("CheckResult", "")), str(data.get("WorkshopTemperature", "")), ""], ["配方比例", "", "", ""], ["拆模强度", "", "", ""] ] # ======================= # 画表格线（只用 line） # ======================= line_color = (255, 255, 255) line_width = 1 # 横线 for r in range(row_count + 1): y = y_positions[r] + 40 if r < row_count else y_positions[-1] + 40 draw.line([(0, y), (total_width, y)], fill=line_color, width=line_width) # 竖线 for c in range(col_count + 1): x = c * col_width # 前6行所有竖线 for r in range(6): y1 = y_positions[r] + 40 y2 = y_positions[r + 1] + 40 draw.line([(x, y1), (x, y2)], fill=line_color, width=line_width) # 最后两行 y1 = y_positions[6] + 40 y2 = y_positions[8] + 40 if c == 0 or c == col_count: # 左右边框 draw.line([(x, y1), (x, y2)], fill=line_color, width=line_width) elif c == 1: # 第二列竖线（分隔跨列内容） draw.line([(x, y1), (x, y2)], fill=line_color, width=line_width) # 第三列和第四列竖线不画，保持跨列显示 # ======================= # 绘制文本 # ======================= for r in range(row_count): y1 = y_positions[r] + 40 h = row_heights[r] for c in range(col_count): x1 = c * col_width content = table_data[r][c] if not content.strip(): if r == 5 and c == 3: bbox_task = draw.textbbox((0, 0), task_quantity_str, font=font_data) tw_task = bbox_task[2] - bbox_task[0] th_task = bbox_task[3] - bbox_task[1] draw.text((x1 + (col_width - 1.8 * tw_task) // 2, y1 + (h - th_task) // 2), task_quantity_str, fill="red", font=font_data) bbox_fixed = draw.textbbox((0, 0), fixed_value_str, font=font_data) tw_fixed = bbox_fixed[2] - bbox_fixed[0] draw.text((x1 + (col_width - tw_fixed) // 2 + 0.78 * tw_task, y1 + (h - th_task) // 2), fixed_value_str, fill=(0, 255, 0), font=font_data) continue is_header = r in (0, 2, 4, 6, 7) color = (0, 255, 0) if is_header else "red" if color == "red" and r < 3: font = font_data_big elif color == "red" and r >= 6: font = font_small else: font = font_title if is_header else font_data bbox = draw.textbbox((0, 0), content, font=font) tw = bbox[2] - bbox[0] th = bbox[3] - bbox[1] draw.text((x1 + (col_width - tw) // 2, y1 + (h - th) // 2), content, fill=color, font=font) # 多行文本居中 def draw_multiline_text_center(draw_obj, x, y, width, height, text, font_obj, fill="red"): lines = text.split('\n') bboxs = [draw_obj.textbbox((0, 0), line, font=font_obj) for line in lines] total_h = sum(b[3] - b[1] for b in bboxs) cy = y + (height - total_h) // 2 for line, b in zip(lines, bboxs): w = b[2] - b[0] h = b[3] - b[1] draw_obj.text((x + (width - w) // 2, cy), line, fill=fill, font=font_obj) cy += h draw_multiline_text_center(draw, col_width * 1, y_positions[6] + 40, col_width * 3, row_heights[6], str(data.get("FormulaProportion", "")).replace("\r", ""), font_small) draw_multiline_text_center(draw, col_width * 1, y_positions[7] + 40, col_width * 3, row_heights[7], f"{data.get('DayStrengthValue', '')}\n{data.get('NihtStrengthValue', '')}", font_small) img.save(output_path) print(f"已生成参数化表格：{output_path}") # ====================== 动态区结构体 ====================== class EQpageHeader_G6(Structure): _fields_ = [ ("PageStyle", c_uint8), ("DisplayMode", c_uint8), ("ClearMode", c_uint8), ("Speed", c_uint8), ("StayTime", c_uint16), ("RepeatTime", c_uint8), ("ValidLen", c_uint8), ("CartoonFrameRate", c_uint8), ("BackNotValidFlag", c_uint8), ("arrMode", c_uint8), ("fontSize", c_uint8), ("color", c_uint8), ("fontBold", c_uint8), ("fontItalic", c_uint8), ("tdirection", c_uint8), ("txtSpace", c_uint8), ("Valign", c_uint8), ("Halign", c_uint8) ] lib.bxDual_dynamicArea_AddAreaPic_6G.argtypes = [ c_char_p, c_uint32, c_uint8, c_uint8, c_uint16, c_uint16, c_uint16, c_uint16, POINTER(EQpageHeader_G6), c_char_p ] lib.bxDual_dynamicArea_AddAreaPic_6G.restype = c_int # ====================== 发送动态区帧（丝滑覆盖） ====================== def send_dynamic_frame(ip="10.6.242.2", port=5005, frame=None, filename="led_send.png"): if frame is None: print("frame 为空！") return target_w, target_h = 630, 435 resized = cv2.resize(frame, (target_w, target_h)) save_path = os.path.join(CURRENT_DIR, filename) cv2.imwrite(save_path, resized) page = EQpageHeader_G6() page.PageStyle = 0 page.DisplayMode = 2 page.ClearMode = 1 page.Speed = 10 page.StayTime = 1000 page.RepeatTime = 1 page.ValidLen = 64 page.CartoonFrameRate = 0 page.BackNotValidFlag = 0 page.arrMode = 1 page.fontSize = 16 page.color = 1 page.fontBold = 0 page.fontItalic = 0 page.tdirection = 0 page.txtSpace = 0 page.Valign = 2 page.Halign = 1 try: ret = lib.bxDual_dynamicArea_AddAreaPic_6G( ip.encode("ascii"), port, 2, 0, 0, 0, target_w, target_h, byref(page), save_path.encode("gb2312") ) if ret == 0: print("Frame 覆盖成功！") else: print("Frame 发送失败，返回码:", ret) except Exception as e: print("调用 AddAreaPic 失败:", e) def send_led_data(data: dict): img_path = os.path.join(CURRENT_DIR, "led_send.png") generate_led_table(data, output_path=img_path) frame = cv2.imread(img_path) send_dynamic_frame(frame=frame, filename="led_send.png") # ============================================================ # 主程序示例 # ============================================================ if __name__ == "__main__": data = { "PlateVolume": "2.00", "MouldCode": "SHR2B1-3", "ProduceStartTime": "15:06", "ArtifactID": "QR2B13099115D", "Temper": "18.6℃", "PlateIDSerial": "85", "CheckResult": "合格", "TotMete": "353.2", "LowBucketWeighingValue": "75", "HighBucketWeighingValue": "115", "WorkshopTemperature": "12.4℃", "VibrationFrequency": "10min/220HZ", "FormulaProportion": "水泥:砂:石:粉煤灰:矿粉:外加剂:水\r\n0.70:1.56:2.78:0.15:0.15:0.006:0.33", "DayStrengthValue": "白班:2024/11/27 22:00抗压 龄期:15h 强度25.9", "NihtStrengthValue": "晚班:2024/11/26 07:55抗压 龄期:12h 强度25.2" } send_led_data(data)