quipra.github.io

{
  "type": "object",
  "properties": {
    "kind": {
      "type": "string",
      "enum": [
        "pencil",
        "fineliner",
        "marker",
        "brush",
        "highlighter"
      ]
    },
    "brush": {
      "type": "string",
      "description": "name of a brush made with make"
    },
    "color": {
      "type": "string"
    },
    "width": {
      "type": "number"
    },
    "opacity": {
      "type": "number"
    },
    "dash": {
      "type": "boolean"
    },
    "texture": {
      "type": "string",
      "enum": [
        "grain",
        "chalk",
        "none"
      ]
    },
    "taper": {
      "type": "boolean"
    },
    "fill": {
      "type": "string",
      "enum": [
        "hatch",
        "crosshatch",
        "stipple",
        "none"
      ]
    },
    "hatchAngle": {
      "type": "number"
    },
    "fillColor": {
      "type": "string",
      "description": "solid fill for closed paths, shapes and circles: palette name, hex, auto, or none"
    },
    "tip": {
      "type": "string",
      "enum": [
        "round",
        "soft",
        "flat",
        "bristle",
        "chalk",
        "pencil"
      ],
      "description": "brush tip stamped along the stroke"
    },
    "spacing": {
      "type": "number",
      "description": "stamp spacing as a fraction of size, 0.03..0.5"
    },
    "scatter": {
      "type": "number",
      "description": "stamp scatter across the path, 0..1"
    },
    "grain": {
      "type": "number",
      "description": "paper grain strength 0..1"
    },
    "engine": {
      "type": "object",
      "description": "brush engine, merged field by field over the kind's defaults",
      "properties": {
        "tip": {
          "type": "string",
          "enum": [
            "round",
            "soft",
            "flat",
            "bristle",
            "chalk",
            "pencil"
          ],
          "description": "stamp shape laid along the stroke"
        },
        "spacing": {
          "type": "number",
          "description": "stamp spacing as a fraction of size, 0.02 dense .. 1 dotted"
        },
        "sizeBase": {
          "type": "number",
          "description": "size at pressure 0, times width, 0..4"
        },
        "sizeGain": {
          "type": "number",
          "description": "extra size at pressure 1, times width, 0..4"
        },
        "flowBase": {
          "type": "number",
          "description": "per-stamp alpha at pressure 0, 0..1"
        },
        "flowGain": {
          "type": "number",
          "description": "extra per-stamp alpha at pressure 1, 0..1"
        },
        "scatter": {
          "type": "number",
          "description": "random offset across the path, 0..2 of size"
        },
        "grain": {
          "type": "number",
          "description": "paper grain eating the deposit, 0..1"
        },
        "multiply": {
          "type": "boolean",
          "description": "multiply blending, the way ink darkens on paper"
        },
        "oriented": {
          "type": "boolean",
          "description": "tip follows the stroke direction, for chisels"
        },
        "sizeJitter": {
          "type": "number",
          "description": "random size variation per stamp, 0..1"
        },
        "flowJitter": {
          "type": "number",
          "description": "random alpha variation per stamp, 0..1"
        },
        "angleJitter": {
          "type": "number",
          "description": "random tumble per stamp, 0..1 of a full turn, non-oriented tips"
        },
        "pressureCurve": {
          "type": "number",
          "description": "exponent on pressure: 0.3 eager, 1 linear, 3 reluctant"
        },
        "wet": {
          "type": "number",
          "description": "drying stroke: fade toward the paper along the stroke, 0..1"
        },
        "dual": {
          "type": "boolean",
          "description": "stamp a second tip at half size for a textured core"
        }
      },
      "additionalProperties": false
    },
    "shadow": {
      "type": "object",
      "description": "drop shadow: dx and dy -200..200, blur 0..80, color; {} removes it",
      "properties": {
        "dx": {
          "type": "number"
        },
        "dy": {
          "type": "number"
        },
        "blur": {
          "type": "number"
        },
        "color": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "glow": {
      "type": "object",
      "description": "halo around the mark: blur 0..80, color; {} removes it",
      "properties": {
        "blur": {
          "type": "number"
        },
        "color": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "blur": {
      "type": "number",
      "description": "soften the whole mark, 0..80 paper units; 0 removes it"
    }
  },
  "required": [
    "kind"
  ],
  "additionalProperties": false
}