加载图标模板 Args: icon_path: 图标文件路径 Returns: 图标模板的numpy数组，加载失败返回None
(self, icon_path: str)
| 40 | self._icon_cache = {} # 缓存加载的图标模板 |
| 41 | |
| 42 | def load_icon_template(self, icon_path: str) -> Optional[np.ndarray]: |
| 43 | """ |
| 44 | 加载图标模板 |
| 45 | |
| 46 | Args: |
| 47 | icon_path: 图标文件路径 |
| 48 | |
| 49 | Returns: |
| 50 | 图标模板的numpy数组，加载失败返回None |
| 51 | """ |
| 52 | if icon_path in self._icon_cache: |
| 53 | return self._icon_cache[icon_path] |
| 54 | |
| 55 | if not os.path.exists(icon_path): |
| 56 | logger.warning(f"图标文件不存在: {icon_path}") |
| 57 | return None |
| 58 | |
| 59 | try: |
| 60 | # 读取图标并转为灰度图 |
| 61 | template = cv2.imread(icon_path, cv2.IMREAD_GRAYSCALE) |
| 62 | if template is None: |
| 63 | logger.warning(f"无法读取图标文件: {icon_path}") |
| 64 | return None |
| 65 | |
| 66 | # 缓存模板 |
| 67 | self._icon_cache[icon_path] = template |
| 68 | logger.debug(f"成功加载图标模板: {icon_path}, 尺寸: {template.shape}") |
| 69 | return template |
| 70 | |
| 71 | except Exception as e: |
| 72 | logger.error(f"加载图标模板失败 {icon_path}: {e}") |
| 73 | return None |
| 74 | |
| 75 | def match_template_multiscale(self, |
| 76 | image: np.ndarray, |
no test coverage detected