pixelforge-studio.appcaster.chatgpt.site

{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "imageDataUrl"
  ],
  "properties": {
    "imageDataUrl": {
      "type": "string",
      "pattern": "^data:image/(png|jpeg|webp);base64,",
      "maxLength": 22400000,
      "description": "Base64 image data URL; arbitrary remote URLs are not accepted."
    },
    "name": {
      "type": "string",
      "maxLength": 120
    },
    "resolutionMode": {
      "type": "string",
      "enum": [
        "source-exact",
        "auto-faithful",
        "custom"
      ],
      "description": "Defaults to auto-faithful. Custom requires width and height."
    },
    "fidelityMode": {
      "type": "string",
      "enum": [
        "strict-99",
        "balanced",
        "manual"
      ],
      "description": "Defaults to balanced. strict-99 is a legacy reconstruction preset, not a fidelity guarantee."
    },
    "width": {
      "type": "integer",
      "minimum": 1,
      "maximum": 4096,
      "description": "Editable output width for custom mode."
    },
    "height": {
      "type": "integer",
      "minimum": 1,
      "maximum": 4096,
      "description": "Editable output height for custom mode."
    },
    "maxColors": {
      "type": "integer",
      "minimum": 2,
      "maximum": 256,
      "description": "Adaptive palette size; strict-99 enforces at least 128."
    },
    "dither": {
      "type": "string",
      "enum": [
        "none",
        "ordered-4x4",
        "floyd-steinberg"
      ]
    },
    "fit": {
      "type": "string",
      "enum": [
        "contain",
        "cover",
        "stretch"
      ]
    },
    "sampling": {
      "type": "string",
      "enum": [
        "smooth",
        "nearest"
      ]
    },
    "alphaThreshold": {
      "type": "integer",
      "minimum": 0,
      "maximum": 255
    },
    "preserveAlpha": {
      "type": "boolean",
      "description": "Preserve alpha values above the cutoff."
    },
    "trimTransparent": {
      "type": "boolean",
      "description": "Crop transparent source margins before fitting."
    },
    "targetOccupancy": {
      "type": "number",
      "minimum": 0.1,
      "maximum": 1,
      "description": "Share of the canvas occupied by the visible subject."
    },
    "hardAlpha": {
      "type": "boolean",
      "description": "Convert retained edge pixels to fully opaque pixels."
    },
    "brightness": {
      "type": "number",
      "minimum": -60,
      "maximum": 60
    },
    "contrast": {
      "type": "number",
      "minimum": -60,
      "maximum": 100
    },
    "saturation": {
      "type": "number",
      "minimum": -100,
      "maximum": 100
    },
    "background": {
      "type": "string",
      "enum": [
        "keep",
        "edge"
      ]
    },
    "backgroundTolerance": {
      "type": "number",
      "minimum": 0,
      "maximum": 120
    },
    "backgroundColor": {
      "type": "string",
      "pattern": "^#[0-9a-fA-F]{6}$"
    },
    "cleanNoise": {
      "type": "boolean"
    },
    "outline": {
      "type": "boolean"
    },
    "outlineColor": {
      "type": "string",
      "pattern": "^#[0-9a-fA-F]{6}$"
    },
    "fixedPalette": {
      "type": "array",
      "minItems": 1,
      "maxItems": 256,
      "items": {
        "type": "string",
        "pattern": "^#[0-9a-fA-F]{6}$"
      }
    },
    "expectedProjectId": {
      "type": "string"
    },
    "expectedRevision": {
      "type": "integer",
      "minimum": 0,
      "maximum": 9007199254740991
    }
  }
}