Document pianoroll

packages/core/controls.mjs

@@ -867,7 +867,12 @@ const generic_params = [
    *
    */
   ['lsize'],
-  // label for pianoroll
+  /**
+   * Sets the displayed text for an event on the pianoroll
+   *
+   * @name label
+   * @param {string} label text to display
+   */
   ['activeLabel'],
   [['label', 'activeLabel']],
   // ['lfo'],

packages/core/pattern.mjs

@@ -2191,6 +2191,9 @@ export const duration = register('duration', function (value, pat) {
 
 /**
  * Sets the color of the hap in visualizations like pianoroll or highlighting.
+ * @name color
+ * @synonyms colour
+ * @param {string} color Hexadecimal or CSS color name
  */
 // TODO: move this to controls https://github.com/tidalcycles/strudel/issues/288
 export const { color, colour } = register(['color', 'colour'], function (color, pat) {

packages/core/pianoroll.mjs

@@ -56,6 +56,40 @@ Pattern.prototype.pianoroll = function (options = {}) {
 
 // this function allows drawing a pianoroll without ties to Pattern.prototype
 // it will probably replace the above in the future
+
+/**
+ * Displays a midi-style piano roll
+ *
+ * @name pianoroll
+ * @param {Object} options Object containing all the optional following parameters as key value pairs:
+ * @param {integer} cycles number of cycles to be displayed at the same time - defaults to 4
+ * @param {number} playhead location of the active notes on the time axis - 0 to 1, defaults to 0.5
+ * @param {boolean} vertical displays the roll vertically - 0 by default
+ * @param {boolean} labels displays labels on individual notes (see the label function) - 0 by default
+ * @param {boolean} flipTime reverse the direction of the roll - 0 by default
+ * @param {boolean} flipValues reverse the relative location of notes on the value axis - 0 by default
+ * @param {number} overscan lookup X cycles outside of the cycles window to display notes in advance - 1 by default
+ * @param {boolean} hideNegative hide notes with negative time (before starting playing the pattern) - 0 by default
+ * @param {boolean} smear notes leave a solid trace - 0 by default
+ * @param {boolean} fold notes takes the full value axis width - 0 by default
+ * @param {string} active hexadecimal or CSS color of the active notes - defaults to #FFCA28
+ * @param {string} inactive hexadecimal or CSS color of the inactive notes - defaults to #7491D2
+ * @param {string} background hexadecimal or CSS color of the background - defaults to transparent
+ * @param {string} playheadColor hexadecimal or CSS color of the line representing the play head - defaults to white
+ * @param {boolean} fill notes are filled with color (otherwise only the label is displayed) - 0 by default
+ * @param {boolean} fillActive active notes are filled with color - 0 by default
+ * @param {boolean} stroke notes are shown with colored borders - 0 by default
+ * @param {boolean} strokeActive active notes are shown with colored borders - 0 by default
+ * @param {boolean} hideInactive only active notes are shown - 0 by default
+ * @param {boolean} colorizeInactive use note color for inactive notes - 1 by default
+ * @param {string} fontFamily define the font used by notes labels - defaults to 'monospace'
+ * @param {integer} minMidi minimum note value to display on the value axis - defaults to 10
+ * @param {integer} maxMidi maximum note value to display on the value axis - defaults to 90
+ * @param {boolean} autorange automatically calculate the minMidi and maxMidi parameters - 0 by default
+ *
+ * @example
+ * note("C2 A2 G2").euclid(5,8).s('piano').clip(1).color('salmon').pianoroll({vertical:1, labels:1})
+ */
 export function pianoroll({
   time,
   haps,

test/__snapshots__/examples.test.mjs.snap

@@ -3297,6 +3297,39 @@ exports[`runs examples > example "perlin" example index 0 1`] = `
 ]
 `;
 
+exports[`runs examples > example "pianoroll" example index 0 1`] = `
+[
+  "[ 0/1 → 1/8 | note:C2 s:piano clip:1 ]",
+  "[ (1/4 → 1/3) ⇝ 3/8 | note:C2 s:piano clip:1 ]",
+  "[ 1/4 ⇜ (1/3 → 3/8) | note:A2 s:piano clip:1 ]",
+  "[ 3/8 → 1/2 | note:A2 s:piano clip:1 ]",
+  "[ (5/8 → 2/3) ⇝ 3/4 | note:A2 s:piano clip:1 ]",
+  "[ 5/8 ⇜ (2/3 → 3/4) | note:G2 s:piano clip:1 ]",
+  "[ 3/4 → 7/8 | note:G2 s:piano clip:1 ]",
+  "[ 1/1 → 9/8 | note:C2 s:piano clip:1 ]",
+  "[ (5/4 → 4/3) ⇝ 11/8 | note:C2 s:piano clip:1 ]",
+  "[ 5/4 ⇜ (4/3 → 11/8) | note:A2 s:piano clip:1 ]",
+  "[ 11/8 → 3/2 | note:A2 s:piano clip:1 ]",
+  "[ (13/8 → 5/3) ⇝ 7/4 | note:A2 s:piano clip:1 ]",
+  "[ 13/8 ⇜ (5/3 → 7/4) | note:G2 s:piano clip:1 ]",
+  "[ 7/4 → 15/8 | note:G2 s:piano clip:1 ]",
+  "[ 2/1 → 17/8 | note:C2 s:piano clip:1 ]",
+  "[ (9/4 → 7/3) ⇝ 19/8 | note:C2 s:piano clip:1 ]",
+  "[ 9/4 ⇜ (7/3 → 19/8) | note:A2 s:piano clip:1 ]",
+  "[ 19/8 → 5/2 | note:A2 s:piano clip:1 ]",
+  "[ (21/8 → 8/3) ⇝ 11/4 | note:A2 s:piano clip:1 ]",
+  "[ 21/8 ⇜ (8/3 → 11/4) | note:G2 s:piano clip:1 ]",
+  "[ 11/4 → 23/8 | note:G2 s:piano clip:1 ]",
+  "[ 3/1 → 25/8 | note:C2 s:piano clip:1 ]",
+  "[ (13/4 → 10/3) ⇝ 27/8 | note:C2 s:piano clip:1 ]",
+  "[ 13/4 ⇜ (10/3 → 27/8) | note:A2 s:piano clip:1 ]",
+  "[ 27/8 → 7/2 | note:A2 s:piano clip:1 ]",
+  "[ (29/8 → 11/3) ⇝ 15/4 | note:A2 s:piano clip:1 ]",
+  "[ 29/8 ⇜ (11/3 → 15/4) | note:G2 s:piano clip:1 ]",
+  "[ 15/4 → 31/8 | note:G2 s:piano clip:1 ]",
+]
+`;
+
 exports[`runs examples > example "pick" example index 0 1`] = `
 [
   "[ 0/1 → 1/2 | note:g ]",