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feat: disable canvas smoothing (antialiasing) for right-angled elements (#6186)Co-authored-by: Ignacio Cuadra <67276174+ignacio-cuadra@users.noreply.github.com>

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* feat: disable canvas smoothing for text and other types

* disable smoothing for all right-angled elements

* Update src/renderer/renderElement.ts

Co-authored-by: Ignacio Cuadra <67276174+ignacio-cuadra@users.noreply.github.com>

* Update src/renderer/renderElement.ts

Co-authored-by: Ignacio Cuadra <67276174+ignacio-cuadra@users.noreply.github.com>

* fix lint

* always enable smoothing while zooming

---------

Co-authored-by: Ignacio Cuadra <67276174+ignacio-cuadra@users.noreply.github.com>
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David Luzar 2023-02-03 17:07:14 +01:00 • committed by GitHub
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12
src/math.ts
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@ -459,3 +459,15 @@ export const mapIntervalToBezierT = (
export const arePointsEqual = (p1: Point, p2: Point) => {
return p1[0] === p2[0] && p1[1] === p2[1];
};
export const isRightAngle = (angle: number) => {
// if our angles were mathematically accurate, we could just check
//
// angle % (Math.PI / 2) === 0
//
// but since we're in floating point land, we need to round.
//
// Below, after dividing by Math.PI, a multiple of 0.5 indicates a right
// angle, which we can check with modulo after rounding.
return Math.round((angle / Math.PI) * 10000) % 5000 === 0;
};