apply_invert
Invert colors in images to create negative effects or correct color issues. Process images by providing file paths or base64 data for color reversal.
Instructions
应用反色滤镜
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| image_source | Yes | 图片源，可以是文件路径或base64编码的图片数据 |
Implementation Reference
- tools/filters.py:660-708 (handler)Core handler function that loads the image, applies color inversion using PIL's ImageOps.invert, processes output via ImageProcessor, and returns JSON result.async def apply_invert(image_data: str) -> list[TextContent]: """ 应用反色滤镜 Args: image_data: 图片数据（base64编码） Returns: 应用滤镜后的图片数据 """ try: # 验证参数 if not image_data: raise ValidationError("图片数据不能为空") # 加载图片 image = processor.load_image(image_data) # 应用反色滤镜 inverted_image = ImageOps.invert(image.convert('RGB')) # 输出处理后的图片 output_info = processor.output_image(inverted_image, "invert") result = { "success": True, "message": "反色滤镜应用成功", "data": { **output_info, "filter_type": "invert", "size": image.size } } return [TextContent(type="text", text=json.dumps(result, ensure_ascii=False))] except ValidationError as e: error_result = { "success": False, "error": f"参数验证失败: {str(e)}" } return [TextContent(type="text", text=json.dumps(error_result, ensure_ascii=False))] except Exception as e: error_result = { "success": False, "error": f"反色滤镜应用失败: {str(e)}" } return [TextContent(type="text", text=json.dumps(error_result, ensure_ascii=False))]
- main.py:368-381 (registration)Registers the apply_invert tool with the MCP server using the @mcp.tool decorator. Defines the input schema via Annotated Field and wraps the call to the core filters.apply_invert handler.@mcp.tool() def apply_invert( image_source: Annotated[str, Field(description="图片源，可以是文件路径或base64编码的图片数据")] ) -> str: """应用反色滤镜""" try: result = safe_run_async(filters_apply_invert(image_source)) return result[0].text except Exception as e: return json.dumps({ "success": False, "error": f"应用反色效果失败: {str(e)}" }, ensure_ascii=False, indent=2)
- tools/filters.py:163-176 (schema)Tool schema definition for apply_invert, including input schema for image_data parameter, as part of get_filter_tools().Tool( name="apply_invert", description="应用反色滤镜", inputSchema={ "type": "object", "properties": { "image_data": { "type": "string", "description": "图片数据（base64编码）" } }, "required": ["image_data"] } )