Logo设计

{
  "workflow_id": "professional_logo_generation",
  "input": {
    "color": {
      "field_name": "color",
      "default": "",
      "description": "Logo的主色调或颜色指令",
      "example": "蓝色与银色",
      "required": true,
      "type": "string"
    },
    "theme": {
      "field_name": "theme",
      "default": "",
      "description": "Logo的核心元素、风格、意象描述",
      "example": "科技感星球",
      "required": true,
      "type": "string"
    },
    "size": {
      "field_name": "size",
      "default": "256x256",
      "description": "用户期望的最终Logo像素尺寸，格式为宽x高，如256x512",
      "example": "256x512",
      "required": false,
      "type": "string"
    }
  },
  "steps": [
    {
      "id": "step_1_size_calculator",
      "point_code": "",
      "result": [],
      "api_code": "size_calculator",
      "backend_type": "prompt_api",
      "status": "PENDING",
      "name": "计算等比例放大尺寸与目标宽高",
      "action": "run",
      "params": {
        "size": "{{@input.size}}"
      }
    },
    {
      "id": "step_2_prompt_builder",
      "point_code": "",
      "result": [],
      "api_code": "logo_prompt_builder",
      "backend_type": "prompt_api",
      "status": "PENDING",
      "name": "构建专业Logo生图提示词",
      "action": "run",
      "params": {
        "color": "{{@input.color}}",
        "theme": "{{@input.theme}}"
      }
    },
    {
      "id": "step_3_generate_large_image",
      "point_code": "1",
      "result": [],
      "api_code": "3373",
      "backend_type": "sys_api",
      "status": "PENDING",
      "name": "生成高清大图",
      "action": "run",
      "params": {
        "prompt": "{{@step_2_prompt_builder.result.data.optimized_prompt}}",
        "size": "{{@step_1_size_calculator.result.data.large_image_size}}"
      },
      "depends_on": [
        "step_1_size_calculator",
        "step_2_prompt_builder"
      ]
    },
    {
      "id": "step_4_poll_image_status",
      "point_code": "",
      "result": [],
      "api_code": "polling",
      "backend_type": "sys_api",
      "status": "PENDING",
      "name": "轮询大图生成状态",
      "action": "run",
      "params": {
        "result_url": "{{@step_3_generate_large_image.result.data.result_url}}"
      },
      "depends_on": [
        "step_3_generate_large_image"
      ],
      "polling": {
        "interval_seconds": 6,
        "timeout_seconds": 900,
        "success_condition": "{{@step_4_poll_image_status.result.data.task_status}} === 'SUCCEEDED'"
      }
    },
    {
      "id": "step_5_resize_to_target",
      "point_code": "8",
      "result": [],
      "api_code": "1",
      "backend_type": "sys_api",
      "status": "PENDING",
      "name": "精准缩放至目标尺寸",
      "action": "run",
      "params": {
        "height": "{{@step_1_size_calculator.result.data.target_height}}",
        "src_img_url": "{{@step_4_poll_image_status.result.data.result_url}}",
        "width": "{{@step_1_size_calculator.result.data.target_width}}",
        "type": "size",
        "keepRate": "0"
      },
      "depends_on": [
        "step_4_poll_image_status",
        "step_1_size_calculator"
      ]
    }
  ],
  "output": {
    "actual_size": {
      "field_name": "actual_size",
      "description": "用户实际目标尺寸（宽x高）",
      "value": "{{@input.size}}",
      "type": "string"
    },
    "large_image_url": {
      "field_name": "large_image_url",
      "description": "生成的高清大图URL（备用）",
      "value": "{{@step_4_poll_image_status.result.data.result_url}}",
      "type": "string"
    },
    "final_logo_url": {
      "field_name": "final_logo_url",
      "description": "最终符合用户尺寸要求的Logo图片URL",
      "value": "{{@step_5_resize_to_target.result.data.des_pic_url}}",
      "type": "string"
    }
  }
}