Recraft Text to Vector 节点允许你通过文本描述通过 Recraft 的 API 生成高质量的矢量图形(SVG格式)，适用于创建标志、图标和可无限缩放的插图。

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参数说明

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基本参数

参数类型默认值说明
prompt字符串""描述要生成的矢量图形
substyle选择项-矢量风格的子类型
size选择项1024x1024输出矢量图的画布尺寸
n整数1生成结果的数量(1-6)
seed整数0随机种子值

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可选参数

参数类型说明
negative_prompt字符串指定不希望出现的元素
recraft_controlsRecraft Controls附加控制参数(颜色等)

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输出

输出类型说明
SVG矢量图生成的SVG矢量图形，需连接到SaveSVG节点保存

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源码参考

[节点源码 (更新于2025-05-03)]


class RecraftTextToVectorNode:
    """
    Generates SVG synchronously based on prompt and resolution.
    """

    RETURN_TYPES = (RecraftIO.SVG,)
    DESCRIPTION = cleandoc(__doc__ or "")  # Handle potential None value
    FUNCTION = "api_call"
    API_NODE = True
    CATEGORY = "api node/image/Recraft"

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "prompt": (
                    IO.STRING,
                    {
                        "multiline": True,
                        "default": "",
                        "tooltip": "Prompt for the image generation.",
                    },
                ),
                "substyle": (get_v3_substyles(RecraftStyleV3.vector_illustration),),
                "size": (
                    [res.value for res in RecraftImageSize],
                    {
                        "default": RecraftImageSize.res_1024x1024,
                        "tooltip": "The size of the generated image.",
                    },
                ),
                "n": (
                    IO.INT,
                    {
                        "default": 1,
                        "min": 1,
                        "max": 6,
                        "tooltip": "The number of images to generate.",
                    },
                ),
                "seed": (
                    IO.INT,
                    {
                        "default": 0,
                        "min": 0,
                        "max": 0xFFFFFFFFFFFFFFFF,
                        "control_after_generate": True,
                        "tooltip": "Seed to determine if node should re-run; actual results are nondeterministic regardless of seed.",
                    },
                ),
            },
            "optional": {
                "negative_prompt": (
                    IO.STRING,
                    {
                        "default": "",
                        "forceInput": True,
                        "tooltip": "An optional text description of undesired elements on an image.",
                    },
                ),
                "recraft_controls": (
                    RecraftIO.CONTROLS,
                    {
                        "tooltip": "Optional additional controls over the generation via the Recraft Controls node."
                    },
                ),
            },
            "hidden": {
                "auth_token": "AUTH_TOKEN_COMFY_ORG",
            },
        }

    def api_call(
        self,
        prompt: str,
        substyle: str,
        size: str,
        n: int,
        seed,
        negative_prompt: str = None,
        recraft_controls: RecraftControls = None,
        auth_token=None,
        **kwargs,
    ):
        # create RecraftStyle so strings will be formatted properly (i.e. "None" will become None)
        recraft_style = RecraftStyle(RecraftStyleV3.vector_illustration, substyle=substyle)

        controls_api = None
        if recraft_controls:
            controls_api = recraft_controls.create_api_model()

        if not negative_prompt:
            negative_prompt = None

        operation = SynchronousOperation(
            endpoint=ApiEndpoint(
                path="/proxy/recraft/image_generation",
                method=HttpMethod.POST,
                request_model=RecraftImageGenerationRequest,
                response_model=RecraftImageGenerationResponse,
            ),
            request=RecraftImageGenerationRequest(
                prompt=prompt,
                negative_prompt=negative_prompt,
                model=RecraftModel.recraftv3,
                size=size,
                n=n,
                style=recraft_style.style,
                substyle=recraft_style.substyle,
                controls=controls_api,
            ),
            auth_token=auth_token,
        )
        response: RecraftImageGenerationResponse = operation.execute()
        svg_data = []
        for data in response.data:
            svg_data.append(download_url_to_bytesio(data.url, timeout=1024))

        return (SVG(svg_data),)