quipra.github.io

{
  "type": "object",
  "properties": {
    "d": {
      "type": "string"
    },
    "label": {
      "type": "string",
      "description": "Short name for this mark, e.g. 'side AB', 'arc from A'."
    },
    "group": {
      "type": "string",
      "description": "Optional group name shared by related marks, e.g. 'triangle ABC'."
    },
    "pen": {
      "type": "object",
      "description": "Pen for this mark: kind, or brush (a name you made with make), color by name (ink, accent, blue, green, ochre) or hex, width 1..64, opacity 0.05..1, dash for construction lines, texture grain|chalk, taper for thin ends, fill hatch|crosshatch|stipple and/or fillColor (solid) for closed paths, shapes and circles, hatchAngle. Brush engine: tip (round, soft, flat, bristle, chalk, pencil), spacing, scatter, grain, or engine { ... } for every studio parameter. Effects: shadow, glow, blur 0..80.",
      "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"
        }
      },
      "additionalProperties": false
    }
  },
  "required": [
    "d",
    "label"
  ],
  "additionalProperties": false
}