workflows/api/outpaint-lama.json

{
  "1": {
    "_meta": {
      "title": "Source Image"
    },
    "class_type": "LoadImage",
    "inputs": {
      "image": "example.png"
    }
  },
  "10": {
    "_meta": {
      "title": "Resize to fit target"
    },
    "class_type": "ImageScale",
    "inputs": {
      "crop": "disabled",
      "height": [
        "9",
        0
      ],
      "image": [
        "1",
        0
      ],
      "upscale_method": "lanczos",
      "width": [
        "8",
        0
      ]
    }
  },
  "11": {
    "_meta": {
      "title": "pad left"
    },
    "class_type": "MathExpression|pysssss",
    "inputs": {
      "a": [
        "10",
        0
      ],
      "b": [
        "2",
        0
      ],
      "c": [
        "4",
        0
      ],
      "expression": "max(floor((b - a.width) * c), 0)"
    }
  },
  "12": {
    "_meta": {
      "title": "pad right"
    },
    "class_type": "MathExpression|pysssss",
    "inputs": {
      "a": [
        "10",
        0
      ],
      "b": [
        "2",
        0
      ],
      "c": [
        "11",
        0
      ],
      "expression": "max(b - a.width - c, 0)"
    }
  },
  "13": {
    "_meta": {
      "title": "pad top"
    },
    "class_type": "MathExpression|pysssss",
    "inputs": {
      "a": [
        "10",
        0
      ],
      "b": [
        "3",
        0
      ],
      "c": [
        "5",
        0
      ],
      "expression": "max(floor((b - a.height) * c), 0)"
    }
  },
  "14": {
    "_meta": {
      "title": "pad bottom"
    },
    "class_type": "MathExpression|pysssss",
    "inputs": {
      "a": [
        "10",
        0
      ],
      "b": [
        "3",
        0
      ],
      "c": [
        "13",
        0
      ],
      "expression": "max(b - a.height - c, 0)"
    }
  },
  "15": {
    "_meta": {
      "title": "Pad to exact target"
    },
    "class_type": "ImagePadForOutpaint",
    "inputs": {
      "bottom": [
        "14",
        0
      ],
      "feathering": [
        "6",
        0
      ],
      "image": [
        "10",
        0
      ],
      "left": [
        "11",
        0
      ],
      "right": [
        "12",
        0
      ],
      "top": [
        "13",
        0
      ]
    }
  },
  "16": {
    "_meta": {
      "title": "keep-region mask"
    },
    "class_type": "InvertMask",
    "inputs": {
      "mask": [
        "15",
        1
      ]
    }
  },
  "17": {
    "_meta": {
      "title": "Inpaint model (MAT / big-lama)"
    },
    "class_type": "INPAINT_LoadInpaintModel",
    "inputs": {
      "model_name": "MAT_Places512_G_fp16.safetensors"
    }
  },
  "18": {
    "_meta": {
      "title": "Fill upscaler (fixes low-res fill)"
    },
    "class_type": "UpscaleModelLoader",
    "inputs": {
      "model_name": "RealESRGAN_x4plus.pth"
    }
  },
  "19": {
    "_meta": {
      "title": "LaMa/MAT fill"
    },
    "class_type": "INPAINT_InpaintWithModel",
    "inputs": {
      "image": [
        "15",
        0
      ],
      "inpaint_model": [
        "17",
        0
      ],
      "mask": [
        "15",
        1
      ],
      "optional_upscale_model": [
        "18",
        0
      ],
      "seed": 0
    }
  },
  "2": {
    "_meta": {
      "title": "target_width"
    },
    "class_type": "PrimitiveInt",
    "inputs": {
      "value": 1216
    }
  },
  "20": {
    "_meta": {
      "title": "Snap to exact target dims"
    },
    "class_type": "ImageScale",
    "inputs": {
      "crop": "disabled",
      "height": [
        "3",
        0
      ],
      "image": [
        "19",
        0
      ],
      "upscale_method": "lanczos",
      "width": [
        "2",
        0
      ]
    }
  },
  "21": {
    "_meta": {
      "title": "Paste original pixels back"
    },
    "class_type": "ImageCompositeMasked",
    "inputs": {
      "destination": [
        "20",
        0
      ],
      "mask": [
        "16",
        0
      ],
      "resize_source": false,
      "source": [
        "15",
        0
      ],
      "x": 0,
      "y": 0
    }
  },
  "22": {
    "class_type": "SaveImage",
    "inputs": {
      "filename_prefix": "outpaint/lama",
      "images": [
        "21",
        0
      ]
    }
  },
  "3": {
    "_meta": {
      "title": "target_height"
    },
    "class_type": "PrimitiveInt",
    "inputs": {
      "value": 1216
    }
  },
  "4": {
    "_meta": {
      "title": "anchor_x (0=left 0.5=center 1=right)"
    },
    "class_type": "PrimitiveFloat",
    "inputs": {
      "value": 0.5
    }
  },
  "5": {
    "_meta": {
      "title": "anchor_y (0=top 0.5=center 1=bottom)"
    },
    "class_type": "PrimitiveFloat",
    "inputs": {
      "value": 0.5
    }
  },
  "6": {
    "_meta": {
      "title": "feathering (px)"
    },
    "class_type": "PrimitiveInt",
    "inputs": {
      "value": 16
    }
  },
  "7": {
    "_meta": {
      "title": "fit scale"
    },
    "class_type": "MathExpression|pysssss",
    "inputs": {
      "a": [
        "1",
        0
      ],
      "b": [
        "2",
        0
      ],
      "c": [
        "3",
        0
      ],
      "expression": "min(b / a.width, c / a.height)"
    }
  },
  "8": {
    "_meta": {
      "title": "fit width"
    },
    "class_type": "MathExpression|pysssss",
    "inputs": {
      "a": [
        "1",
        0
      ],
      "b": [
        "7",
        1
      ],
      "c": [
        "2",
        0
      ],
      "expression": "min(round(a.width * b), c)"
    }
  },
  "9": {
    "_meta": {
      "title": "fit height"
    },
    "class_type": "MathExpression|pysssss",
    "inputs": {
      "a": [
        "1",
        0
      ],
      "b": [
        "7",
        1
      ],
      "c": [
        "3",
        0
      ],
      "expression": "min(round(a.height * b), c)"
    }
  }
}