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add label support to pianoroll

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This commit is contained in:
Felix Roos
2023-06-09 00:25:54 +02:00
parent 51cc69208f
commit 3ccbd35fad
3 changed files with 26 additions and 2 deletions
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packages/core/pianoroll.mjs
+18
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@@ -50,6 +50,7 @@ Pattern.prototype.pianoroll = function ({
timeframe: timeframeProp,
fold = 0,
vertical = 0,
labels = 0,
} = {}) {
const ctx = getDrawContext();
const w = ctx.canvas.width;
@@ -114,6 +115,14 @@ Pattern.prototype.pianoroll = function ({
];
}
isActive ? ctx.strokeRect(...coords) : ctx.fillRect(...coords);
if (labels) {
const label = event.value.note ?? event.value.s + (event.value.n ? `:${event.value.n}` : '');
ctx.font = `${barThickness * 0.75}px monospace`;
ctx.strokeStyle = 'black';
ctx.fillStyle = isActive ? 'white' : 'black';
ctx.textBaseline = 'top';
ctx.fillText(label, ...coords);
}
});
ctx.globalAlpha = 1; // reset!
const playheadPosition = scale(-from / timeExtent, ...timeRange);
@@ -181,6 +190,7 @@ export function pianoroll({
timeframe: timeframeProp,
fold = 0,
vertical = 0,
labels = false,
ctx,
} = {}) {
const w = ctx.canvas.width;
@@ -267,6 +277,14 @@ export function pianoroll({
];
}
isActive ? ctx.strokeRect(...coords) : ctx.fillRect(...coords);
if (labels) {
const label = event.value.note ?? event.value.s + (event.value.n ? `:${event.value.n}` : '');
ctx.font = `${barThickness * 0.75}px monospace`;
ctx.strokeStyle = 'black';
ctx.fillStyle = isActive ? 'white' : 'black';
ctx.textBaseline = 'top';
ctx.fillText(label, ...coords);
}
});
ctx.globalAlpha = 1; // reset!
const playheadPosition = scale(-from / timeExtent, ...timeRange);