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5 Commits

Author SHA1 Message Date
dwelle 0256559b68 improve balls 2026-04-03 19:51:41 +02:00
dwelle c9d29ea600 improve miter 2026-04-03 19:36:06 +02:00
dwelle 90c4770a5b improve smoothing 2026-04-03 19:23:26 +02:00
dwelle e48043aef5 remove raf & batching 2026-04-03 19:18:45 +02:00
dwelle 3e53dcd956 wip 2026-04-03 16:34:26 +02:00
52 changed files with 1499 additions and 1792 deletions
+1 -1
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@@ -1,4 +1,4 @@
FROM node:24-bullseye
FROM node:18-bullseye
# Vite wants to open the browser using `open`, so we
# need to install those utils.
+2 -2
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@@ -1,4 +1,4 @@
FROM --platform=${BUILDPLATFORM} node:24 AS build
FROM --platform=${BUILDPLATFORM} node:18 AS build
WORKDIR /opt/node_app
@@ -13,7 +13,7 @@ ARG NODE_ENV=production
RUN npm_config_target_arch=${TARGETARCH} yarn build:app:docker
FROM nginx:1.27-alpine
FROM --platform=${TARGETPLATFORM} nginx:1.27-alpine
COPY --from=build /opt/node_app/excalidraw-app/build /usr/share/nginx/html
+1 -1
View File
@@ -29,7 +29,7 @@
<a href="https://docs.excalidraw.com/docs/introduction/contributing">
<img alt="PRs welcome!" src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat" /></a>
<a href="https://discord.gg/UexuTaE">
<img alt="Chat on Discord" src="https://img.shields.io/discord/723672430744174682?color=738ad6&label=Chat%20on%20Discord&logo=discord&logoColor=ffffff&widget=false"/></a>
<img alt="Chat on Discord" src="https://img.shields.io/discord/723672430744174682?color=738ad6&label=Chat%20on%20Discord&logo=discord&logoColor=ffffff&widge=false"/></a>
<a href="https://deepwiki.com/excalidraw/excalidraw">
<img alt="Ask DeepWiki" src="https://deepwiki.com/badge.svg" /></a>
<a href="https://twitter.com/excalidraw">
+2 -2
View File
@@ -97,8 +97,8 @@ const config = {
href: "https://discord.gg/UexuTaE",
},
{
label: "𝕏",
href: "https://x.com/excalidraw",
label: "Twitter",
href: "https://twitter.com/excalidraw",
},
{
label: "Linkedin",
+5 -2
View File
@@ -405,8 +405,9 @@ export const ROUGHNESS = {
export const STROKE_WIDTH = {
thin: 1,
bold: 2,
extraBold: 4,
medium: 2,
bold: 4,
extraBold: 8,
} as const;
export const DEFAULT_ELEMENT_PROPS: {
@@ -429,6 +430,8 @@ export const DEFAULT_ELEMENT_PROPS: {
locked: false,
};
export const DEFAULT_FREE_DRAW_STROKE_SHAPE = "variable" as const;
export const LIBRARY_SIDEBAR_TAB = "library";
export const CANVAS_SEARCH_TAB = "search";
+4 -6
View File
@@ -1943,9 +1943,9 @@ export const calculateFixedPointForElbowArrowBinding = (
return {
fixedPoint: normalizeFixedPoint([
(nonRotatedSnappedGlobalPoint[0] - hoveredElement.x) /
Math.max(hoveredElement.width, PRECISION),
hoveredElement.width,
(nonRotatedSnappedGlobalPoint[1] - hoveredElement.y) /
Math.max(hoveredElement.height, PRECISION),
hoveredElement.height,
]),
};
};
@@ -1976,11 +1976,9 @@ export const calculateFixedPointForNonElbowArrowBinding = (
// Calculate the ratio relative to the element's bounds
const fixedPointX =
(nonRotatedPoint[0] - hoveredElement.x) /
Math.max(hoveredElement.width, PRECISION);
(nonRotatedPoint[0] - hoveredElement.x) / hoveredElement.width;
const fixedPointY =
(nonRotatedPoint[1] - hoveredElement.y) /
Math.max(hoveredElement.height, PRECISION);
(nonRotatedPoint[1] - hoveredElement.y) / hoveredElement.height;
return {
fixedPoint: normalizeFixedPoint([fixedPointX, fixedPointY]),
+11 -8
View File
@@ -168,12 +168,14 @@ export class ElementBounds {
),
),
);
const padding =
element.strokeShape === "fixed" ? element.strokeWidth / 2 : 0;
return [
minX + element.x,
minY + element.y,
maxX + element.x,
maxY + element.y,
minX + element.x - padding,
minY + element.y - padding,
maxX + element.x + padding,
maxY + element.y + padding,
];
} else if (isLinearElement(element)) {
bounds = getLinearElementRotatedBounds(element, cx, cy, elementsMap);
@@ -703,10 +705,11 @@ const getFreeDrawElementAbsoluteCoords = (
element: ExcalidrawFreeDrawElement,
): [number, number, number, number, number, number] => {
const [minX, minY, maxX, maxY] = getBoundsFromPoints(element.points);
const x1 = minX + element.x;
const y1 = minY + element.y;
const x2 = maxX + element.x;
const y2 = maxY + element.y;
const padding = element.strokeShape === "fixed" ? element.strokeWidth / 2 : 0;
const x1 = minX + element.x - padding;
const y1 = minY + element.y - padding;
const x2 = maxX + element.x + padding;
const y2 = maxY + element.y + padding;
return [x1, y1, x2, y2, (x1 + x2) / 2, (y1 + y2) / 2];
};
+4 -3
View File
@@ -27,6 +27,7 @@ import type {
import type { FrameNameBounds } from "@excalidraw/excalidraw/types";
import { isLoopFreeDrawElement } from "./freedraw";
import { isPathALoop } from "./utils";
import {
doBoundsIntersect,
@@ -93,7 +94,7 @@ export const shouldTestInside = (element: ExcalidrawElement) => {
}
if (element.type === "freedraw") {
return isDraggableFromInside && isPathALoop(element.points);
return isDraggableFromInside && isLoopFreeDrawElement(element);
}
return isDraggableFromInside || isImageElement(element);
@@ -754,8 +755,8 @@ export const isPointInElement = (
elementsMap: ElementsMap,
) => {
if (
(isLinearElement(element) || isFreeDrawElement(element)) &&
!isPathALoop(element.points)
(isLinearElement(element) && !isPathALoop(element.points)) ||
(isFreeDrawElement(element) && !isLoopFreeDrawElement(element))
) {
// There isn't any "inside" for a non-looping path
return false;
-3
View File
@@ -250,9 +250,6 @@ export const duplicateElements = (
elementsWithDuplicates.splice(index + 1, 0, ...castArray(elements));
};
// main
// ---------------------------------------------------------------------------
const frameIdsToDuplicate = new Set(
elements
.filter(
+2 -2
View File
@@ -2124,8 +2124,8 @@ const normalizeArrowElementUpdate = (
offsetY < -MAX_POS ||
offsetY > MAX_POS ||
offsetX + points[points.length - 1][0] < -MAX_POS ||
offsetX + points[points.length - 1][0] > MAX_POS ||
offsetY + points[points.length - 1][1] < -MAX_POS ||
offsetY + points[points.length - 1][0] > MAX_POS ||
offsetX + points[points.length - 1][1] < -MAX_POS ||
offsetY + points[points.length - 1][1] > MAX_POS
) {
console.error(
+2 -4
View File
@@ -19,7 +19,6 @@ import {
getElementAbsoluteCoords,
doBoundsIntersect,
getElementBounds,
boundsContainBounds,
} from "./bounds";
import { mutateElement } from "./mutateElement";
import { getBoundTextElement, getContainerElement } from "./textElement";
@@ -102,9 +101,8 @@ export const isElementContainingFrame = (
frame: ExcalidrawFrameLikeElement,
elementsMap: ElementsMap,
) => {
return boundsContainBounds(
getElementBounds(element, elementsMap),
getElementBounds(frame, elementsMap),
return getElementsWithinSelection([frame], element, elementsMap).some(
(e) => e.id === frame.id,
);
};
+181
View File
@@ -0,0 +1,181 @@
import {
pointDistance,
vectorCross,
vectorDot,
vectorFromPoint,
} from "@excalidraw/math";
import type { LocalPoint } from "@excalidraw/math";
import { isPathALoop } from "./utils";
import type { ExcalidrawFreeDrawElement } from "./types";
type ZoomValue = NonNullable<Parameters<typeof isPathALoop>[1]>;
type FixedFreeDrawSimplificationProfile = {
minPointDistancePx: number;
maxPointDistance: number;
strokeDistanceFactor: number;
collinearityFactor: number;
minAlignment: number;
zoomScaling: "sqrt" | "none";
};
const FIXED_FREEDRAW_CAPTURE_PROFILE: FixedFreeDrawSimplificationProfile = {
minPointDistancePx: 0.35,
maxPointDistance: 0.85,
strokeDistanceFactor: 0.08,
collinearityFactor: 0.3,
minAlignment: 0.985,
zoomScaling: "sqrt",
};
const hasSyntheticLoopClosure = (
points: readonly LocalPoint[],
): points is readonly [LocalPoint, LocalPoint, ...LocalPoint[]] => {
if (points.length < 3) {
return false;
}
const firstPoint = points[0];
const lastPoint = points[points.length - 1];
return firstPoint[0] === lastPoint[0] && firstPoint[1] === lastPoint[1];
};
const stripSyntheticLoopClosure = (points: readonly LocalPoint[]) =>
hasSyntheticLoopClosure(points) ? points.slice(0, -1) : points;
export const isLoopFreeDrawElement = (
element: ExcalidrawFreeDrawElement,
zoomValue: ZoomValue = 1 as ZoomValue,
) => element.strokeShape !== "fixed" && isPathALoop(element.points, zoomValue);
export const getFixedFreeDrawPoints = (
element: ExcalidrawFreeDrawElement,
): readonly LocalPoint[] => stripSyntheticLoopClosure(element.points);
export const getFixedFreeDrawPointSamplingDistance = (
strokeWidth: number,
zoomValue: ZoomValue = 1 as ZoomValue,
profile: FixedFreeDrawSimplificationProfile = FIXED_FREEDRAW_CAPTURE_PROFILE,
) =>
Math.min(
Math.max(
profile.minPointDistancePx /
(profile.zoomScaling === "sqrt"
? Math.max(1, Math.sqrt(zoomValue))
: 1),
strokeWidth * profile.strokeDistanceFactor,
),
profile.maxPointDistance,
);
const isRedundantFixedFreeDrawPoint = (
previousPoint: LocalPoint,
currentPoint: LocalPoint,
nextPoint: LocalPoint,
strokeWidth: number,
zoomValue: ZoomValue,
profile: FixedFreeDrawSimplificationProfile,
) => {
const previousSegmentLength = pointDistance(previousPoint, currentPoint);
const nextSegmentLength = pointDistance(currentPoint, nextPoint);
if (!previousSegmentLength || !nextSegmentLength) {
return true;
}
const previousVector = vectorFromPoint(currentPoint, previousPoint);
const nextVector = vectorFromPoint(nextPoint, currentPoint);
const alignment =
vectorDot(previousVector, nextVector) /
(previousSegmentLength * nextSegmentLength);
if (alignment < profile.minAlignment) {
return false;
}
const chord = vectorFromPoint(nextPoint, previousPoint);
const chordLength = pointDistance(previousPoint, nextPoint);
if (!chordLength) {
return true;
}
const distanceToChord =
Math.abs(vectorCross(vectorFromPoint(currentPoint, previousPoint), chord)) /
chordLength;
return (
distanceToChord <=
getFixedFreeDrawPointSamplingDistance(strokeWidth, zoomValue, profile) *
profile.collinearityFactor
);
};
export const getFixedFreeDrawPointAction = ({
points,
nextPoint,
strokeWidth,
zoomValue,
isFinalPoint = false,
profile,
}: {
points: readonly LocalPoint[];
nextPoint: LocalPoint;
strokeWidth: number;
zoomValue: ZoomValue;
isFinalPoint?: boolean;
profile?: FixedFreeDrawSimplificationProfile;
}) => {
const simplificationProfile = profile ?? FIXED_FREEDRAW_CAPTURE_PROFILE;
const lastPoint = points[points.length - 1];
if (!lastPoint) {
return "append" as const;
}
if (lastPoint[0] === nextPoint[0] && lastPoint[1] === nextPoint[1]) {
return "discard" as const;
}
const samplingDistance = getFixedFreeDrawPointSamplingDistance(
strokeWidth,
zoomValue,
simplificationProfile,
);
if (points.length === 1) {
return !isFinalPoint &&
pointDistance(lastPoint, nextPoint) < samplingDistance
? ("discard" as const)
: ("append" as const);
}
const previousPoint = points[points.length - 2];
if (
isRedundantFixedFreeDrawPoint(
previousPoint,
lastPoint,
nextPoint,
strokeWidth,
zoomValue,
simplificationProfile,
)
) {
return "replace" as const;
}
if (!isFinalPoint && pointDistance(lastPoint, nextPoint) < samplingDistance) {
return "discard" as const;
}
return "append" as const;
};
export const getRenderableFixedFreeDrawPoints = (
element: ExcalidrawFreeDrawElement,
): readonly LocalPoint[] => getFixedFreeDrawPoints(element);
+1
View File
@@ -69,6 +69,7 @@ export * from "./duplicate";
export * from "./elbowArrow";
export * from "./elementLink";
export * from "./embeddable";
export * from "./freedraw";
export * from "./flowchart";
export * from "./arrows/focus";
export * from "./fractionalIndex";
+27
View File
@@ -1,4 +1,5 @@
import {
DEFAULT_FREE_DRAW_STROKE_SHAPE,
getSizeFromPoints,
randomInteger,
getUpdatedTimestamp,
@@ -18,6 +19,8 @@ import type {
ElementsMap,
ExcalidrawElbowArrowElement,
ExcalidrawElement,
ExcalidrawFreeDrawElement,
FreeDrawStrokeShape,
NonDeletedSceneElementsMap,
} from "./types";
@@ -177,6 +180,30 @@ export const newElementWith = <TElement extends ExcalidrawElement>(
};
};
export const newFreeDrawElementWithStrokeShape = <
TElement extends ExcalidrawFreeDrawElement,
>(
element: TElement,
strokeShape: FreeDrawStrokeShape,
): TElement => {
if (strokeShape === DEFAULT_FREE_DRAW_STROKE_SHAPE) {
if (!("strokeShape" in element)) {
return element;
}
const nextElement = newElementWith(
element,
{} as ElementUpdate<TElement>,
true,
);
delete (nextElement as Mutable<Partial<TElement>>).strokeShape;
return nextElement;
}
return newElementWith(element, {
strokeShape,
} as ElementUpdate<TElement>);
};
/**
* Mutates element, bumping `version`, `versionNonce`, and `updated`.
*
+2
View File
@@ -445,6 +445,7 @@ export const newFreeDrawElement = (
points?: ExcalidrawFreeDrawElement["points"];
simulatePressure: boolean;
pressures?: ExcalidrawFreeDrawElement["pressures"];
strokeShape?: ExcalidrawFreeDrawElement["strokeShape"];
} & ElementConstructorOpts,
): NonDeleted<ExcalidrawFreeDrawElement> => {
return {
@@ -452,6 +453,7 @@ export const newFreeDrawElement = (
points: opts.points || [],
pressures: opts.pressures || [],
simulatePressure: opts.simulatePressure,
...(opts.strokeShape === "fixed" ? { strokeShape: opts.strokeShape } : {}),
};
};
+13 -2
View File
@@ -417,16 +417,27 @@ const drawElementOnCanvas = (
case "freedraw": {
// Draw directly to canvas
context.save();
context.lineJoin = "round";
context.lineCap = "round";
const shapes = ShapeCache.generateElementShape(element, renderConfig);
const isFixedStroke = element.strokeShape === "fixed";
for (const shape of shapes) {
if (typeof shape === "string") {
context.fillStyle =
const strokeColor =
renderConfig.theme === THEME.DARK
? applyDarkModeFilter(element.strokeColor)
: element.strokeColor;
context.fill(new Path2D(shape));
if (isFixedStroke) {
context.strokeStyle = strokeColor;
context.lineWidth = element.strokeWidth;
context.stroke(new Path2D(shape));
} else {
context.fillStyle = strokeColor;
context.fill(new Path2D(shape));
}
} else {
rc.draw(shape);
}
+5 -3
View File
@@ -34,6 +34,7 @@ import {
elementOverlapsWithFrame,
getContainingFrame,
getFrameChildren,
isElementIntersectingFrame,
} from "./frame";
import { LinearElementEditor } from "./linearElementEditor";
@@ -169,7 +170,7 @@ export const getElementsWithinSelection = (
const associatedFrame = getContainingFrame(element, elementsMap);
if (
associatedFrame &&
elementOverlapsWithFrame(element, associatedFrame, elementsMap)
isElementIntersectingFrame(element, associatedFrame, elementsMap)
) {
const frameAABB = getElementBounds(associatedFrame, elementsMap);
elementAABB = [
@@ -208,9 +209,10 @@ export const getElementsWithinSelection = (
if (boundsContainBounds(selectionBounds, commonAABB)) {
if (framesInSelection && isFrameLikeElement(element)) {
framesInSelection.add(element.id);
} else {
elementsInSelection.push(element);
continue;
}
elementsInSelection.push(element);
continue;
}
// 2. Handle the case where the label is overlapped by the selection box
+236 -9
View File
@@ -1,4 +1,5 @@
import { simplify } from "points-on-curve";
import { DEFAULT_FREE_DRAW_STROKE_SHAPE } from "@excalidraw/common";
import { getStroke } from "perfect-freehand";
import {
@@ -13,6 +14,7 @@ import {
import {
pointFrom,
pointDistance,
round,
type LocalPoint,
pointRotateRads,
} from "@excalidraw/math";
@@ -52,6 +54,10 @@ import {
isIframeLikeElement,
isLinearElement,
} from "./typeChecks";
import {
getRenderableFixedFreeDrawPoints,
isLoopFreeDrawElement,
} from "./freedraw";
import { getCornerRadius, isPathALoop } from "./utils";
import { headingForPointIsHorizontal } from "./heading";
@@ -244,7 +250,12 @@ export const generateRoughOptions = (
}
case "line":
case "freedraw": {
if (isPathALoop(element.points)) {
const isLoop =
element.type === "freedraw"
? isLoopFreeDrawElement(element)
: isPathALoop(element.points);
if (isLoop) {
options.fillStyle = element.fillStyle;
options.fill =
element.backgroundColor === "transparent"
@@ -966,7 +977,7 @@ const _generateElementShape = (
const shapes: ElementShapes[typeof element.type] = [];
// (1) background fill (rc shape), optional
if (isPathALoop(element.points)) {
if (isLoopFreeDrawElement(element)) {
// generate rough polygon to fill freedraw shape
const simplifiedPoints = simplify(
element.points as Mutable<LocalPoint[]>,
@@ -1173,6 +1184,13 @@ export const toggleLinePolygonState = (
// NOTE not cached (-> for SVG export)
const getFreeDrawSvgPath = (element: ExcalidrawFreeDrawElement) => {
if (element.strokeShape === "fixed") {
return getSvgPathFromFixedFreeDrawPoints(
getRenderableFixedFreeDrawPoints(element),
element.strokeWidth,
) as SVGPathString;
}
return getSvgPathFromStroke(
getFreedrawOutlinePoints(element),
) as SVGPathString;
@@ -1181,34 +1199,243 @@ const getFreeDrawSvgPath = (element: ExcalidrawFreeDrawElement) => {
export const getFreedrawOutlinePoints = (
element: ExcalidrawFreeDrawElement,
) => {
const strokeShape = element.strokeShape ?? DEFAULT_FREE_DRAW_STROKE_SHAPE;
const isFixedStroke = strokeShape === "fixed";
// If input points are empty (should they ever be?) return a dot
const inputPoints = element.simulatePressure
const inputPoints = isFixedStroke
? element.points.length
? element.points
: [[0, 0]]
: element.simulatePressure
? element.points
: element.points.length
? element.points.map(([x, y], i) => [x, y, element.pressures[i]])
: [[0, 0, 0.5]];
return getStroke(inputPoints as number[][], {
simulatePressure: element.simulatePressure,
size: element.strokeWidth * 4.25,
thinning: 0.6,
simulatePressure: isFixedStroke ? false : element.simulatePressure,
size: isFixedStroke ? element.strokeWidth : element.strokeWidth * 4.25,
thinning: isFixedStroke ? 0 : 0.6,
smoothing: 0.5,
streamline: 0.5,
easing: (t) => Math.sin((t * Math.PI) / 2), // https://easings.net/#easeOutSine
easing: isFixedStroke ? (t) => t : (t) => Math.sin((t * Math.PI) / 2), // https://easings.net/#easeOutSine
last: true,
}) as [number, number][];
};
const med = (A: number[], B: number[]) => {
const med = (A: readonly number[], B: readonly number[]) => {
return [(A[0] + B[0]) / 2, (A[1] + B[1]) / 2];
};
const roundPoint = (point: readonly number[]) =>
`${round(point[0], 2)},${round(point[1], 2)} `;
const averagePoint = (A: readonly number[], B: readonly number[]) =>
`${round((A[0] + B[0]) / 2, 2)},${round((A[1] + B[1]) / 2, 2)} `;
const getReadonlyPointDistance = (
pointA: readonly number[],
pointB: readonly number[],
) => Math.hypot(pointA[0] - pointB[0], pointA[1] - pointB[1]);
// Trim SVG path data so number are each two decimal points. This
// improves SVG exports, and prevents rendering errors on points
// with long decimals.
const TO_FIXED_PRECISION = /(\s?[A-Z]?,?-?[0-9]*\.[0-9]{0,2})(([0-9]|e|-)*)/g;
const getSvgPathFromStroke = (points: number[][]): string => {
const getSvgPathFromPoints = (
points: ReadonlyArray<readonly number[]>,
closed = false,
): string => {
const len = points.length;
if (len < 2) {
return "";
}
const path = points
.slice(1)
.map((point) => `L${roundPoint(point)}`)
.join("");
return `M${roundPoint(points[0])}${path}${closed ? "Z" : ""}`;
};
const FIXED_FREEDRAW_MIN_SMOOTH_ALIGNMENT = 0.6;
const FIXED_FREEDRAW_MIN_SMOOTH_SEGMENT_LENGTH = 0.2;
const FIXED_FREEDRAW_MIN_CORNER_ALIGNMENT = -0.25;
const FIXED_FREEDRAW_MIN_CORNER_ROUNDING = 0.75;
const FIXED_FREEDRAW_MAX_CORNER_ROUNDING = 6;
const FIXED_FREEDRAW_CORNER_ROUNDING_FACTOR = 0.35;
const FIXED_FREEDRAW_CORNER_ROUNDING_WIDTH_FACTOR = 1.5;
const FIXED_FREEDRAW_MIN_TERMINAL_STUB = 0.75;
const FIXED_FREEDRAW_MAX_TERMINAL_STUB = 2.5;
const FIXED_FREEDRAW_TERMINAL_STUB_WIDTH_FACTOR = 1.5;
const shouldSmoothFixedFreeDrawPoint = (
previousPoint: readonly number[],
currentPoint: readonly number[],
nextPoint: readonly number[],
) => {
const previousDeltaX = currentPoint[0] - previousPoint[0];
const previousDeltaY = currentPoint[1] - previousPoint[1];
const nextDeltaX = nextPoint[0] - currentPoint[0];
const nextDeltaY = nextPoint[1] - currentPoint[1];
const previousSegmentLength = Math.hypot(previousDeltaX, previousDeltaY);
const nextSegmentLength = Math.hypot(nextDeltaX, nextDeltaY);
if (
previousSegmentLength < FIXED_FREEDRAW_MIN_SMOOTH_SEGMENT_LENGTH ||
nextSegmentLength < FIXED_FREEDRAW_MIN_SMOOTH_SEGMENT_LENGTH
) {
return false;
}
const alignment =
(previousDeltaX * nextDeltaX + previousDeltaY * nextDeltaY) /
(previousSegmentLength * nextSegmentLength);
return alignment >= FIXED_FREEDRAW_MIN_SMOOTH_ALIGNMENT;
};
const getFixedFreeDrawRoundedCorner = (
previousPoint: readonly number[],
currentPoint: readonly number[],
nextPoint: readonly number[],
strokeWidth: number,
) => {
const previousDeltaX = currentPoint[0] - previousPoint[0];
const previousDeltaY = currentPoint[1] - previousPoint[1];
const nextDeltaX = nextPoint[0] - currentPoint[0];
const nextDeltaY = nextPoint[1] - currentPoint[1];
const previousSegmentLength = Math.hypot(previousDeltaX, previousDeltaY);
const nextSegmentLength = Math.hypot(nextDeltaX, nextDeltaY);
if (!previousSegmentLength || !nextSegmentLength) {
return null;
}
const alignment =
(previousDeltaX * nextDeltaX + previousDeltaY * nextDeltaY) /
(previousSegmentLength * nextSegmentLength);
if (
alignment >= FIXED_FREEDRAW_MIN_SMOOTH_ALIGNMENT ||
alignment <= FIXED_FREEDRAW_MIN_CORNER_ALIGNMENT
) {
return null;
}
const cornerRounding = Math.min(
Math.max(
strokeWidth * FIXED_FREEDRAW_CORNER_ROUNDING_WIDTH_FACTOR,
FIXED_FREEDRAW_MIN_CORNER_ROUNDING,
),
previousSegmentLength * FIXED_FREEDRAW_CORNER_ROUNDING_FACTOR,
nextSegmentLength * FIXED_FREEDRAW_CORNER_ROUNDING_FACTOR,
FIXED_FREEDRAW_MAX_CORNER_ROUNDING,
);
if (!cornerRounding) {
return null;
}
return {
entryPoint: [
currentPoint[0] - (previousDeltaX / previousSegmentLength) * cornerRounding,
currentPoint[1] - (previousDeltaY / previousSegmentLength) * cornerRounding,
] as const,
exitPoint: [
currentPoint[0] + (nextDeltaX / nextSegmentLength) * cornerRounding,
currentPoint[1] + (nextDeltaY / nextSegmentLength) * cornerRounding,
] as const,
};
};
const getFixedFreeDrawTerminalStubThreshold = (strokeWidth: number) =>
Math.min(
Math.max(
strokeWidth * FIXED_FREEDRAW_TERMINAL_STUB_WIDTH_FACTOR,
FIXED_FREEDRAW_MIN_TERMINAL_STUB,
),
FIXED_FREEDRAW_MAX_TERMINAL_STUB,
);
const getSvgPathFromFixedFreeDrawPoints = (
points: ReadonlyArray<readonly number[]>,
strokeWidth: number,
): string => {
const len = points.length;
if (len < 2) {
return "";
}
if (len === 2) {
return `M${roundPoint(points[0])}L${roundPoint(points[1])}`;
}
let path = `M${roundPoint(points[0])}`;
const lastPoint = points[len - 1];
let endsAtLastPoint = false;
for (let index = 1; index < len - 1; index++) {
const previousPoint = points[index - 1];
const currentPoint = points[index];
const nextPoint = points[index + 1];
const isLastCurveSegment = index === len - 2;
const terminalStubThreshold = getFixedFreeDrawTerminalStubThreshold(
strokeWidth,
);
const shouldSmooth = shouldSmoothFixedFreeDrawPoint(
previousPoint,
currentPoint,
nextPoint,
);
const roundedCorner = shouldSmooth
? null
: getFixedFreeDrawRoundedCorner(
previousPoint,
currentPoint,
nextPoint,
strokeWidth,
);
const shouldCollapseSmoothTerminalStub =
isLastCurveSegment &&
shouldSmooth &&
getReadonlyPointDistance(currentPoint, nextPoint) / 2 <=
terminalStubThreshold;
const shouldCollapseRoundedTerminalStub =
isLastCurveSegment &&
!!roundedCorner &&
getReadonlyPointDistance(roundedCorner.exitPoint, lastPoint) <=
terminalStubThreshold;
path += shouldSmooth
? `Q${roundPoint(currentPoint)}${
shouldCollapseSmoothTerminalStub
? roundPoint(lastPoint)
: averagePoint(currentPoint, nextPoint)
}`
: roundedCorner
? `L${roundPoint(roundedCorner.entryPoint)}Q${roundPoint(
currentPoint,
)}${
shouldCollapseRoundedTerminalStub
? roundPoint(lastPoint)
: roundPoint(roundedCorner.exitPoint)
}`
: `L${roundPoint(currentPoint)}`;
endsAtLastPoint =
shouldCollapseSmoothTerminalStub || shouldCollapseRoundedTerminalStub;
}
return endsAtLastPoint ? path : `${path}L${roundPoint(lastPoint)}`;
};
const getSvgPathFromStroke = (
points: ReadonlyArray<readonly number[]>,
): string => {
if (!points.length) {
return "";
}
+64 -62
View File
@@ -1,56 +1,59 @@
import { arrayToMap } from "@excalidraw/common";
import { arrayToMapWithIndex } from "@excalidraw/common";
import type { ExcalidrawElement } from "./types";
const defragmentGroups = (elements: readonly ExcalidrawElement[]) => {
const groupIdAtLevel = (element: ExcalidrawElement, level: number) => {
return element.groupIds[element.groupIds.length - level - 1];
};
const normalizeGroupElementOrder = (elements: readonly ExcalidrawElement[]) => {
const origElements: ExcalidrawElement[] = elements.slice();
const sortedElements = new Set<ExcalidrawElement>();
const orderLevel = (
levelElements: readonly ExcalidrawElement[],
level: number,
const orderInnerGroups = (
elements: readonly ExcalidrawElement[],
): ExcalidrawElement[] => {
const buckets = new Map<string, ExcalidrawElement[]>();
// Slots preserve first-occurrence order: a groupId reserves its slot
// the first time one of its members is seen; loose elements occupy
// their own slot. Groups are then expanded (and recursed into) in place.
const slots: (ExcalidrawElement | string)[] = [];
for (const element of levelElements) {
const groupId = groupIdAtLevel(element, level);
if (groupId === undefined) {
slots.push(element);
continue;
const firstGroupSig = elements[0]?.groupIds?.join("");
const aGroup: ExcalidrawElement[] = [elements[0]];
const bGroup: ExcalidrawElement[] = [];
for (const element of elements.slice(1)) {
if (element.groupIds?.join("") === firstGroupSig) {
aGroup.push(element);
} else {
bGroup.push(element);
}
let bucket = buckets.get(groupId);
if (!bucket) {
bucket = [];
buckets.set(groupId, bucket);
slots.push(groupId);
}
bucket.push(element);
}
return slots.flatMap((slot) =>
typeof slot === "string"
? orderLevel(buckets.get(slot)!, level + 1)
: [slot],
);
return bGroup.length ? [...aGroup, ...orderInnerGroups(bGroup)] : aGroup;
};
// `groupIds` is stored innermost-first, so the outermost group is the
// last entry. We recurse from level 0 (outermost) inward.
const sortedElements = orderLevel(elements, 0);
const groupHandledElements = new Map<string, true>();
origElements.forEach((element, idx) => {
if (groupHandledElements.has(element.id)) {
return;
}
if (element.groupIds?.length) {
const topGroup = element.groupIds[element.groupIds.length - 1];
const groupElements = origElements.slice(idx).filter((element) => {
const ret = element?.groupIds?.some((id) => id === topGroup);
if (ret) {
groupHandledElements.set(element!.id, true);
}
return ret;
});
for (const elem of orderInnerGroups(groupElements)) {
sortedElements.add(elem);
}
} else {
sortedElements.add(element);
}
});
// if there's a bug which resulted in losing some of the elements, return
// original instead as that's better than losing data
if (sortedElements.length !== elements.length) {
console.error("defragmentGroups: lost some elements... bailing!");
if (sortedElements.size !== elements.length) {
console.error("normalizeGroupElementOrder: lost some elements... bailing!");
return elements;
}
return sortedElements;
return [...sortedElements];
};
/**
@@ -65,40 +68,39 @@ const defragmentGroups = (elements: readonly ExcalidrawElement[]) => {
const normalizeBoundElementsOrder = (
elements: readonly ExcalidrawElement[],
) => {
const elementsMap = arrayToMap(elements);
const elementsMap = arrayToMapWithIndex(elements);
const origElements: (ExcalidrawElement | null)[] = elements.slice();
const sortedElements = new Set<ExcalidrawElement>();
for (const element of elements) {
if (sortedElements.has(element)) {
continue;
origElements.forEach((element, idx) => {
if (!element) {
return;
}
if (element.boundElements?.length) {
sortedElements.add(element);
for (const boundElement of element.boundElements) {
origElements[idx] = null;
element.boundElements.forEach((boundElement) => {
const child = elementsMap.get(boundElement.id);
if (child && boundElement.type === "text") {
sortedElements.add(child);
sortedElements.add(child[0]);
origElements[child[1]] = null;
}
});
} else if (element.type === "text" && element.containerId) {
const parent = elementsMap.get(element.containerId);
if (!parent?.[0].boundElements?.find((x) => x.id === element.id)) {
sortedElements.add(element);
origElements[idx] = null;
// if element has a container and container lists it, skip this element
// as it'll be taken care of by the container
}
continue;
} else {
sortedElements.add(element);
origElements[idx] = null;
}
// if element has a container and container lists it, skip this element
// as it'll be taken care of by the container
if (
element.type === "text" &&
element.containerId &&
elementsMap
.get(element.containerId)
?.boundElements?.some((el) => el.id === element.id)
) {
continue;
}
sortedElements.add(element);
}
});
// if there's a bug which resulted in losing some of the elements, return
// original instead as that's better than losing data
@@ -115,5 +117,5 @@ const normalizeBoundElementsOrder = (
export const normalizeElementOrder = (
elements: readonly ExcalidrawElement[],
) => {
return normalizeBoundElementsOrder(defragmentGroups(elements));
return normalizeBoundElementsOrder(normalizeGroupElementOrder(elements));
};
+2
View File
@@ -26,6 +26,7 @@ export type PointerType = "mouse" | "pen" | "touch";
export type StrokeRoundness = "round" | "sharp";
export type RoundnessType = ValueOf<typeof ROUNDNESS>;
export type StrokeStyle = "solid" | "dashed" | "dotted";
export type FreeDrawStrokeShape = "variable" | "fixed";
export type TextAlign = typeof TEXT_ALIGN[keyof typeof TEXT_ALIGN];
type VerticalAlignKeys = keyof typeof VERTICAL_ALIGN;
@@ -390,6 +391,7 @@ export type ExcalidrawFreeDrawElement = _ExcalidrawElementBase &
points: readonly LocalPoint[];
pressures: readonly number[];
simulatePressure: boolean;
strokeShape?: FreeDrawStrokeShape;
}>;
export type FileId = string & { _brand: "FileId" };
+30 -1
View File
@@ -6,7 +6,11 @@ import type { LocalPoint } from "@excalidraw/math";
import { getElementAbsoluteCoords, getElementBounds } from "../src/bounds";
import type { ExcalidrawElement, ExcalidrawLinearElement } from "../src/types";
import type {
ExcalidrawElement,
ExcalidrawFreeDrawElement,
ExcalidrawLinearElement,
} from "../src/types";
const _ce = ({
x,
@@ -117,6 +121,31 @@ describe("getElementBounds", () => {
expect(y2).toEqual(42.90569415042095);
});
it("fixed freedraw", () => {
const element = {
..._ce({
x: 40,
y: 30,
w: 10,
h: 0,
a: 0,
t: "freedraw",
}),
strokeWidth: 8,
points: [pointFrom<LocalPoint>(0, 0), pointFrom<LocalPoint>(10, 0)],
pressures: [],
simulatePressure: true,
strokeShape: "fixed",
} as unknown as ExcalidrawFreeDrawElement;
const [x1, y1, x2, y2] = getElementBounds(element, arrayToMap([element]));
expect(x1).toEqual(36);
expect(y1).toEqual(26);
expect(x2).toEqual(54);
expect(y2).toEqual(34);
});
it("curved line", () => {
const element = {
..._ce({
+1 -43
View File
@@ -2,7 +2,6 @@ import {
convertToExcalidrawElements,
Excalidraw,
} from "@excalidraw/excalidraw";
import { arrayToMap } from "@excalidraw/common";
import { API } from "@excalidraw/excalidraw/tests/helpers/api";
import { Keyboard, Pointer } from "@excalidraw/excalidraw/tests/helpers/ui";
@@ -11,12 +10,7 @@ import {
render,
} from "@excalidraw/excalidraw/tests/test-utils";
import { elementOverlapsWithFrame } from "../src/frame";
import type {
ExcalidrawElement,
ExcalidrawFrameLikeElement,
} from "../src/types";
import type { ExcalidrawElement } from "../src/types";
const { h } = window;
const mouse = new Pointer("mouse");
@@ -131,26 +125,6 @@ describe("adding elements to frames", () => {
});
});
it("should treat an element fully containing a frame as overlapping the frame", () => {
const containingRect = API.createElement({
type: "rectangle",
x: -50,
y: -50,
width: 250,
height: 250,
});
API.setElements([containingRect, frame]);
expect(
elementOverlapsWithFrame(
containingRect,
frame as ExcalidrawFrameLikeElement,
arrayToMap(h.elements),
),
).toBe(true);
});
const commonTestCases = async (
func: typeof resizeFrameOverElement | typeof dragElementIntoFrame,
) => {
@@ -441,22 +415,6 @@ describe("adding elements to frames", () => {
describe("dragging elements into the frame", async () => {
await commonTestCases(dragElementIntoFrame);
it("should add a dragged element fully containing the frame", () => {
const containingRect = API.createElement({
type: "rectangle",
x: 220,
y: 20,
width: 300,
height: 300,
});
API.setElements([frame, containingRect]);
dragElementIntoFrame(frame, containingRect);
expect(API.getElement(containingRect).frameId).toBe(frame.id);
});
it.skip("should drag element inside, duplicate it and keep it in frame", () => {
API.setElements([frame, rect2]);
+160
View File
@@ -0,0 +1,160 @@
import { pointFrom } from "@excalidraw/math";
import { API } from "@excalidraw/excalidraw/tests/helpers/api";
import { vi } from "vitest";
vi.mock("perfect-freehand", () => ({
getStroke: vi.fn(() => []),
}));
import { getStroke } from "perfect-freehand";
import { getFreedrawOutlinePoints, ShapeCache } from "../src/shape";
describe("freedraw stroke shape", () => {
beforeEach(() => {
vi.mocked(getStroke).mockClear();
ShapeCache.destroy();
});
it("renders fixed strokes from the centerline path", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
points: [pointFrom(0, 0), pointFrom(10, 10), pointFrom(20, 15)],
});
const shapes = ShapeCache.generateElementShape(element, null);
expect(shapes).toEqual([expect.any(String)]);
expect(shapes[0]).not.toContain("Z");
expect(vi.mocked(getStroke)).not.toHaveBeenCalled();
});
it("rounds fixed stroke corners without flattening them", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
strokeWidth: 1,
points: [pointFrom(0, 0), pointFrom(10, 0), pointFrom(10, 10)],
});
const [path] = ShapeCache.generateElementShape(element, null);
expect(path).toBe("M0,0 L8.5,0 Q10,0 10,1.5 L10,10 ");
});
it("does not round fixed stroke hairpin turns", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
strokeWidth: 1,
points: [pointFrom(0, 0), pointFrom(10, 0), pointFrom(9, 1)],
});
const [path] = ShapeCache.generateElementShape(element, null);
expect(path).toBe("M0,0 L10,0 L9,1 ");
});
it("curves directly to the endpoint for tiny final smooth segments", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
strokeWidth: 1,
points: [pointFrom(0, 0), pointFrom(0.5, 0.1), pointFrom(0.8, 0.3)],
});
const [path] = ShapeCache.generateElementShape(element, null);
expect(path).toBe("M0,0 Q0.5,0.1 0.8,0.3 ");
});
it("curves directly to the endpoint for tiny final rounded corners", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
strokeWidth: 1,
points: [pointFrom(0, 0), pointFrom(10, 0), pointFrom(10, 1)],
});
const [path] = ShapeCache.generateElementShape(element, null);
expect(path).toBe("M0,0 L9.65,0 Q10,0 10,1 ");
});
it("smooths dense fixed stroke points without dropping them", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
points: [
pointFrom(0, 0),
pointFrom(0.3, 0.1),
pointFrom(0.6, 0.35),
pointFrom(1, 0.9),
],
});
const [path] = ShapeCache.generateElementShape(element, null);
expect(path).toContain("Q0.3,0.1 ");
expect(path).toContain("Q0.6,0.35 ");
});
it("drops synthetic loop closure for fixed strokes", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
points: [pointFrom(0, 0), pointFrom(10, 0), pointFrom(0, 0)],
});
const [path] = ShapeCache.generateElementShape(element, null);
expect(path).toBe("M0,0 L10,0 ");
});
it("uses fixed perfect-freehand settings for fixed strokes", () => {
const element = API.createElement({
type: "freedraw",
strokeShape: "fixed",
strokeWidth: 8,
points: [pointFrom(0, 0), pointFrom(10, 10), pointFrom(20, 15)],
});
getFreedrawOutlinePoints(element);
expect(vi.mocked(getStroke)).toHaveBeenCalledWith(
element.points,
expect.objectContaining({
simulatePressure: false,
size: element.strokeWidth,
thinning: 0,
}),
);
});
it("keeps pressure-aware perfect-freehand settings for variable strokes", () => {
const element = API.createElement({
type: "freedraw",
points: [pointFrom(0, 0), pointFrom(10, 10), pointFrom(20, 15)],
});
getFreedrawOutlinePoints({
...element,
simulatePressure: false,
pressures: [0.2, 0.8, 0.4],
});
expect(vi.mocked(getStroke)).toHaveBeenCalledWith(
[
[0, 0, 0.2],
[10, 10, 0.8],
[20, 15, 0.4],
],
expect.objectContaining({
simulatePressure: false,
size: element.strokeWidth * 4.25,
thinning: 0.6,
}),
);
});
});
+3 -43
View File
@@ -326,59 +326,19 @@ describe("normalizeElementsOrder", () => {
]),
[
"BA_rect1",
"CBA_rect3",
"CBA_rect7",
"BA_rect5",
"BA_rect6",
"A_rect2",
"A_rect5",
"CBA_rect3",
"CBA_rect7",
"rect4",
"X_rect8",
"YX_rect10",
"X_rect11",
"YX_rect10",
"rect9",
],
);
assertOrder(
normalizeElementOrder([
API.createElement({
id: "A_rect1",
type: "rectangle",
groupIds: ["A"],
}),
API.createElement({
id: "CBA_rect2",
type: "rectangle",
groupIds: ["C", "B", "A"],
}),
API.createElement({
id: "A_rect3",
type: "rectangle",
groupIds: ["A"],
}),
]),
["A_rect1", "CBA_rect2", "A_rect3"],
);
assertOrder(
normalizeElementOrder([
API.createElement({
id: "abcT_rect1",
type: "rectangle",
groupIds: ["ab", "c", "T"],
}),
API.createElement({
id: "abcT_rect2",
type: "rectangle",
groupIds: ["a", "bc", "T"],
}),
API.createElement({
id: "abcT_rect3",
type: "rectangle",
groupIds: ["ab", "c", "T"],
}),
]),
["abcT_rect1", "abcT_rect3", "abcT_rect2"],
);
});
// TODO
@@ -2,6 +2,7 @@ import { pointFrom } from "@excalidraw/math";
import { bindOrUnbindBindingElement } from "@excalidraw/element/binding";
import {
isLoopFreeDrawElement,
isValidPolygon,
LinearElementEditor,
newElementWith,
@@ -242,7 +243,11 @@ export const actionFinalize = register<FormData>({
// If the multi point line closes the loop,
// set the last point to first point.
// This ensures that loop remains closed at different scales.
const isLoop = isPathALoop(element.points, appState.zoom.value);
const isLoop = isLineElement(element)
? isPathALoop(element.points, appState.zoom.value)
: isFreeDrawElement(element)
? isLoopFreeDrawElement(element, appState.zoom.value)
: false;
if (isLoop && (isLineElement(element) || isFreeDrawElement(element))) {
const linePoints = element.points;
@@ -329,6 +334,7 @@ export const actionFinalize = register<FormData>({
selectionElement: null,
multiElement: null,
editingTextElement: null,
startBoundElement: null,
suggestedBinding: null,
selectedElementIds:
element &&
@@ -1,4 +1,5 @@
import { queryByTestId } from "@testing-library/react";
import { pointFrom } from "@excalidraw/math";
import {
COLOR_PALETTE,
@@ -10,7 +11,7 @@ import {
import { Excalidraw } from "../index";
import { API } from "../tests/helpers/api";
import { UI } from "../tests/helpers/ui";
import { render } from "../tests/test-utils";
import { act, render } from "../tests/test-utils";
describe("element locking", () => {
beforeEach(async () => {
@@ -80,6 +81,20 @@ describe("element locking", () => {
const centerTextAlign = queryByTestId(document.body, `align-right`);
expect(centerTextAlign).toBeChecked();
});
it("should show the active freedraw stroke type", () => {
UI.clickTool("freedraw");
API.setAppState({
currentItemStrokeShape: "fixed",
});
const fixedStrokeShape = queryByTestId(
document.body,
"strokeShape-fixed",
);
expect(fixedStrokeShape).toBeChecked();
});
});
describe("properties when elements selected", () => {
@@ -144,6 +159,9 @@ describe("element locking", () => {
expect(
queryByTestId(document.body, `strokeWidth-thin`),
).not.toBeChecked();
expect(
queryByTestId(document.body, `strokeWidth-medium`),
).not.toBeChecked();
expect(
queryByTestId(document.body, `strokeWidth-bold`),
).not.toBeChecked();
@@ -159,6 +177,7 @@ describe("element locking", () => {
});
const text = API.createElement({
type: "text",
strokeWidth: STROKE_WIDTH.bold,
fontFamily: FONT_FAMILY["Comic Shanns"],
});
API.setElements([rect, text]);
@@ -169,5 +188,35 @@ describe("element locking", () => {
"active",
);
});
it("should highlight the fixed freedraw stroke type for selected elements", () => {
const freedraw = API.createElement({
type: "freedraw",
strokeShape: "fixed",
points: [pointFrom(0, 0), pointFrom(10, 10), pointFrom(20, 15)],
});
API.setElements([freedraw]);
API.setSelectedElements([freedraw]);
const fixedStrokeShape = queryByTestId(
document.body,
"strokeShape-fixed",
);
expect(fixedStrokeShape).toBeChecked();
});
it("should apply fixed freedraw stroke type to newly drawn strokes", () => {
UI.clickTool("freedraw");
act(() => {
queryByTestId(document.body, "strokeShape-fixed")?.click();
});
const freedraw = UI.createElement("freedraw", {
points: [pointFrom(0, 0), pointFrom(10, 10), pointFrom(20, 15)],
});
expect(freedraw.strokeShape).toBe("fixed");
});
});
});
@@ -3,6 +3,7 @@ import { pointFrom } from "@excalidraw/math";
import { useEffect, useMemo, useRef, useState } from "react";
import {
DEFAULT_FREE_DRAW_STROKE_SHAPE,
DEFAULT_ELEMENT_BACKGROUND_COLOR_PALETTE,
DEFAULT_ELEMENT_BACKGROUND_PICKS,
DEFAULT_ELEMENT_STROKE_COLOR_PALETTE,
@@ -36,6 +37,7 @@ import {
import { LinearElementEditor } from "@excalidraw/element";
import { newElementWith } from "@excalidraw/element";
import { newFreeDrawElementWithStrokeShape } from "@excalidraw/element";
import { getArrowheadForPicker } from "@excalidraw/element";
import {
@@ -47,6 +49,7 @@ import {
isArrowElement,
isBoundToContainer,
isElbowArrow,
isFreeDrawElement,
isLinearElement,
isLineElement,
isTextElement,
@@ -70,6 +73,7 @@ import type {
ElementsMap,
ExcalidrawBindableElement,
ExcalidrawElement,
ExcalidrawFreeDrawElement,
ExcalidrawLinearElement,
ExcalidrawTextElement,
FontFamilyValues,
@@ -105,8 +109,11 @@ import {
SloppinessArtistIcon,
SloppinessCartoonistIcon,
StrokeWidthBaseIcon,
StrokeWidthMediumIcon,
StrokeWidthBoldIcon,
StrokeWidthExtraBoldIcon,
StrokeShapeFixedIcon,
StrokeShapeVariableIcon,
FontSizeSmallIcon,
FontSizeMediumIcon,
FontSizeLargeIcon,
@@ -187,6 +194,29 @@ export const changeProperty = (
});
};
const getFreeDrawStrokeShape = (item: {
strokeShape?: ExcalidrawFreeDrawElement["strokeShape"];
currentItemStrokeShape?: AppState["currentItemStrokeShape"];
}) =>
item.strokeShape ??
item.currentItemStrokeShape ??
DEFAULT_FREE_DRAW_STROKE_SHAPE;
const getAppStateWithCurrentItemStrokeShape = (
appState: AppState,
strokeShape: NonNullable<ExcalidrawFreeDrawElement["strokeShape"]>,
) => {
// if (strokeShape === DEFAULT_FREE_DRAW_STROKE_SHAPE) {
// const { currentItemStrokeShape, ...nextAppState } = appState;
// return nextAppState;
// }
return {
...appState,
currentItemStrokeShape: strokeShape,
};
};
export const getFormValue = function <T extends Primitive>(
elements: readonly ExcalidrawElement[],
app: AppClassProperties,
@@ -574,6 +604,12 @@ export const actionChangeStrokeWidth = register<
icon: StrokeWidthBaseIcon,
testId: "strokeWidth-thin",
},
{
value: STROKE_WIDTH.medium,
text: t("labels.medium"),
icon: StrokeWidthMediumIcon,
testId: "strokeWidth-medium",
},
{
value: STROKE_WIDTH.bold,
text: t("labels.bold"),
@@ -602,6 +638,60 @@ export const actionChangeStrokeWidth = register<
),
});
export const actionChangeStrokeShape = register<
NonNullable<ExcalidrawFreeDrawElement["strokeShape"]>
>({
name: "changeStrokeShape",
label: "labels.strokeShape",
trackEvent: false,
perform: (elements, appState, value) => {
invariant(value, "actionChangeStrokeShape: value must be defined");
return {
elements: changeProperty(elements, appState, (el) =>
isFreeDrawElement(el)
? newFreeDrawElementWithStrokeShape(el, value)
: el,
),
appState: getAppStateWithCurrentItemStrokeShape(appState, value),
captureUpdate: CaptureUpdateAction.IMMEDIATELY,
};
},
PanelComponent: ({ elements, appState, updateData, app }) => (
<fieldset>
<legend>{t("labels.strokeShape")}</legend>
<div className="buttonList">
<RadioSelection
group="stroke-shape"
options={[
{
value: "variable",
text: t("labels.strokeShape_variable"),
icon: StrokeShapeVariableIcon,
testId: "strokeShape-variable",
},
{
value: "fixed",
text: t("labels.strokeShape_fixed"),
icon: StrokeShapeFixedIcon,
testId: "strokeShape-fixed",
},
]}
value={getFormValue(
elements,
app,
(element) =>
getFreeDrawStrokeShape(element as ExcalidrawFreeDrawElement),
isFreeDrawElement,
(hasSelection) =>
hasSelection ? null : getFreeDrawStrokeShape(appState),
)}
onChange={(value) => updateData(value)}
/>
</div>
</fieldset>
),
});
export const actionChangeSloppiness = register<ExcalidrawElement["roughness"]>({
name: "changeSloppiness",
label: "labels.sloppiness",
@@ -1,4 +1,5 @@
import {
DEFAULT_FREE_DRAW_STROKE_SHAPE,
DEFAULT_FONT_SIZE,
DEFAULT_FONT_FAMILY,
DEFAULT_TEXT_ALIGN,
@@ -10,6 +11,7 @@ import {
import { newElementWith } from "@excalidraw/element";
import {
isFreeDrawElement,
hasBoundTextElement,
canApplyRoundnessTypeToElement,
getDefaultRoundnessTypeForElement,
@@ -18,6 +20,7 @@ import {
isExcalidrawElement,
isTextElement,
} from "@excalidraw/element";
import { newFreeDrawElementWithStrokeShape } from "@excalidraw/element";
import {
getBoundTextElement,
@@ -154,6 +157,17 @@ export const actionPasteStyles = register({
});
}
if (
isFreeDrawElement(newElement) &&
isFreeDrawElement(elementStylesToCopyFrom)
) {
newElement = newFreeDrawElementWithStrokeShape(
newElement,
elementStylesToCopyFrom.strokeShape ??
DEFAULT_FREE_DRAW_STROKE_SHAPE,
);
}
if (isFrameLikeElement(element)) {
newElement = newElementWith(newElement, {
roundness: null,
+3
View File
@@ -99,6 +99,7 @@ export const getDefaultAppState = (): Omit<
open: false,
panels: STATS_PANELS.generalStats | STATS_PANELS.elementProperties,
},
startBoundElement: null,
suggestedBinding: null,
frameRendering: { enabled: true, clip: true, name: true, outline: true },
frameToHighlight: null,
@@ -171,6 +172,7 @@ const APP_STATE_STORAGE_CONF = (<
currentItemStrokeColor: { browser: true, export: false, server: false },
currentItemStrokeStyle: { browser: true, export: false, server: false },
currentItemStrokeWidth: { browser: true, export: false, server: false },
currentItemStrokeShape: { browser: true, export: false, server: false },
currentItemTextAlign: { browser: true, export: false, server: false },
currentHoveredFontFamily: { browser: false, export: false, server: false },
cursorButton: { browser: true, export: false, server: false },
@@ -230,6 +232,7 @@ const APP_STATE_STORAGE_CONF = (<
selectionElement: { browser: false, export: false, server: false },
shouldCacheIgnoreZoom: { browser: true, export: false, server: false },
stats: { browser: true, export: false, server: false },
startBoundElement: { browser: false, export: false, server: false },
suggestedBinding: { browser: false, export: false, server: false },
frameRendering: { browser: false, export: false, server: false },
frameToHighlight: { browser: false, export: false, server: false },
@@ -394,6 +394,11 @@ const CombinedShapeProperties = ({
hasStrokeWidth(element.type),
)) &&
renderAction("changeStrokeWidth")}
{(appState.activeTool.type === "freedraw" ||
targetElements.some(
(element) => element.type === "freedraw",
)) &&
renderAction("changeStrokeShape")}
{(hasStrokeStyle(appState.activeTool.type) ||
targetElements.some((element) =>
hasStrokeStyle(element.type),
+127 -82
View File
@@ -9,6 +9,7 @@ import {
clamp,
pointFrom,
pointDistance,
round,
vector,
pointRotateRads,
vectorFromPoint,
@@ -119,6 +120,7 @@ import {
getElementAbsoluteCoords,
bindOrUnbindBindingElements,
fixBindingsAfterDeletion,
getFixedFreeDrawPointAction,
getHoveredElementForBinding,
isBindingEnabled,
updateBoundElements,
@@ -603,8 +605,6 @@ const YOUTUBE_VIDEO_STATES = new Map<
ValueOf<typeof YOUTUBE_STATES>
>();
const MAX_EMBEDDABLE_VIEWPORT_SCALE = 4;
let IS_PLAIN_PASTE = false;
let IS_PLAIN_PASTE_TIMER = 0;
let PLAIN_PASTE_TOAST_SHOWN = false;
@@ -617,6 +617,19 @@ const gesture: Gesture = {
initialScale: null,
};
const FREEDRAW_POINT_DECIMALS = 2;
const FREEDRAW_PRESSURE_DECIMALS = 3;
const FREEDRAW_DOT_EPSILON = 1 / 10 ** FREEDRAW_POINT_DECIMALS;
const roundFreeDrawCoordinate = (value: number) =>
round(value, FREEDRAW_POINT_DECIMALS);
const roundFreeDrawPressure = (value: number) =>
round(value, FREEDRAW_PRESSURE_DECIMALS);
const getRoundedFreeDrawPoint = (x: number, y: number) =>
pointFrom<LocalPoint>(roundFreeDrawCoordinate(x), roundFreeDrawCoordinate(y));
class App extends React.Component<AppProps, AppState> {
canvas: AppClassProperties["canvas"];
interactiveCanvas: AppClassProperties["interactiveCanvas"] = null;
@@ -1737,18 +1750,6 @@ class App extends React.Component<AppProps, AppState> {
this.state.activeEmbeddable?.element === el &&
this.state.activeEmbeddable?.state === "hover";
// scale video embeds based on zoom (capped) so that smaller embeds
// on canvas when zoomed are still of legible quality
// (note: for some embed types like gdrive, the quality is poor when
// scaling mid playback and works only when you initially start the
// playback at the higher zoom level)
const shouldScaleEmbeddableViewport = src?.type === "video";
const embeddableViewportScale = clamp(
shouldScaleEmbeddableViewport ? scale : 1,
0.75,
MAX_EMBEDDABLE_VIEWPORT_SCALE,
);
return (
<div
key={el.id}
@@ -1815,42 +1816,31 @@ class App extends React.Component<AppProps, AppState> {
padding: `${el.strokeWidth}px`,
}}
>
<div
className="excalidraw__embeddable__content"
style={{
width: `${embeddableViewportScale * 100}%`,
height: `${embeddableViewportScale * 100}%`,
transform: `scale(${1 / embeddableViewportScale})`,
}}
>
{(isEmbeddableElement(el)
? this.props.renderEmbeddable?.(el, this.state)
: null) ?? (
<iframe
ref={(ref) => this.cacheEmbeddableRef(el, ref)}
className="excalidraw__embeddable"
srcDoc={
src?.type === "document"
? src.srcdoc(this.state.theme)
: undefined
}
src={
src?.type !== "document" ? src?.link ?? "" : undefined
}
// https://stackoverflow.com/q/18470015
scrolling="no"
referrerPolicy="no-referrer-when-downgrade"
title="Excalidraw Embedded Content"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
allowFullScreen={true}
sandbox={`${
src?.sandbox?.allowSameOrigin
? "allow-same-origin"
: ""
} allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads`}
/>
)}
</div>
{(isEmbeddableElement(el)
? this.props.renderEmbeddable?.(el, this.state)
: null) ?? (
<iframe
ref={(ref) => this.cacheEmbeddableRef(el, ref)}
className="excalidraw__embeddable"
srcDoc={
src?.type === "document"
? src.srcdoc(this.state.theme)
: undefined
}
src={
src?.type !== "document" ? src?.link ?? "" : undefined
}
// https://stackoverflow.com/q/18470015
scrolling="no"
referrerPolicy="no-referrer-when-downgrade"
title="Excalidraw Embedded Content"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
allowFullScreen={true}
sandbox={`${
src?.sandbox?.allowSameOrigin ? "allow-same-origin" : ""
} allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads`}
/>
)}
</div>
</div>
</div>
@@ -6947,7 +6937,7 @@ class App extends React.Component<AppProps, AppState> {
y: scenePointerY,
},
});
this.setState({ suggestedBinding: null });
this.setState({ suggestedBinding: null, startBoundElement: null });
if (!this.state.activeTool.locked) {
resetCursor(this.interactiveCanvas);
this.setState((prevState) => ({
@@ -7591,6 +7581,7 @@ class App extends React.Component<AppProps, AppState> {
appState: {
newElement: null,
editingTextElement: null,
startBoundElement: null,
suggestedBinding: null,
selectedElementIds: makeNextSelectedElementIds(
Object.keys(this.state.selectedElementIds)
@@ -8104,7 +8095,7 @@ class App extends React.Component<AppProps, AppState> {
setCursor(this.interactiveCanvas, CURSOR_TYPE.GRABBING);
let { clientX: lastX, clientY: lastY } = event;
const onPointerMove = withBatchedUpdatesThrottled((event: PointerEvent) => {
const onPointerMove = ((event: PointerEvent) => {
const deltaX = lastX - event.clientX;
const deltaY = lastY - event.clientY;
lastX = event.clientX;
@@ -8170,7 +8161,7 @@ class App extends React.Component<AppProps, AppState> {
window.removeEventListener(EVENT.POINTER_MOVE, onPointerMove);
window.removeEventListener(EVENT.POINTER_UP, teardown);
window.removeEventListener(EVENT.BLUR, teardown);
onPointerMove.flush();
// onPointerMove.flush();
}),
);
window.addEventListener(EVENT.BLUR, teardown);
@@ -8280,14 +8271,14 @@ class App extends React.Component<AppProps, AppState> {
isDraggingScrollBar = true;
pointerDownState.lastCoords.x = event.clientX;
pointerDownState.lastCoords.y = event.clientY;
const onPointerMove = withBatchedUpdatesThrottled((event: PointerEvent) => {
const onPointerMove = (event: PointerEvent) => {
const target = event.target;
if (!(target instanceof HTMLElement)) {
return;
}
this.handlePointerMoveOverScrollbars(event, pointerDownState);
});
};
const onPointerUp = withBatchedUpdates(() => {
lastPointerUp = null;
isDraggingScrollBar = false;
@@ -8298,7 +8289,7 @@ class App extends React.Component<AppProps, AppState> {
this.savePointer(event.clientX, event.clientY, "up");
window.removeEventListener(EVENT.POINTER_MOVE, onPointerMove);
window.removeEventListener(EVENT.POINTER_UP, onPointerUp);
onPointerMove.flush();
// onPointerMove.flush();
});
lastPointerUp = onPointerUp;
@@ -8857,10 +8848,13 @@ class App extends React.Component<AppProps, AppState> {
opacity: this.state.currentItemOpacity,
roundness: null,
simulatePressure,
strokeShape: this.state.currentItemStrokeShape,
locked: false,
frameId: topLayerFrame ? topLayerFrame.id : null,
points: [pointFrom<LocalPoint>(0, 0)],
pressures: simulatePressure ? [] : [event.pressure],
pressures: simulatePressure
? []
: [roundFreeDrawPressure(event.pressure)],
});
this.scene.insertElement(element);
@@ -8878,8 +8872,18 @@ class App extends React.Component<AppProps, AppState> {
};
});
const boundElement = getHoveredElementForBinding(
pointFrom<GlobalPoint>(
pointerDownState.origin.x,
pointerDownState.origin.y,
),
this.scene.getNonDeletedElements(),
this.scene.getNonDeletedElementsMap(),
);
this.setState({
newElement: element,
startBoundElement: boundElement,
suggestedBinding: null,
});
};
@@ -9492,7 +9496,7 @@ class App extends React.Component<AppProps, AppState> {
private onPointerMoveFromPointerDownHandler(
pointerDownState: PointerDownState,
) {
return withBatchedUpdatesThrottled((event: PointerEvent) => {
return (event: PointerEvent) => {
if (this.state.openDialog?.name === "elementLinkSelector") {
return;
}
@@ -10188,20 +10192,36 @@ class App extends React.Component<AppProps, AppState> {
const points = newElement.points;
const dx = pointerCoords.x - newElement.x;
const dy = pointerCoords.y - newElement.y;
const nextPoint = getRoundedFreeDrawPoint(dx, dy);
const pressure = roundFreeDrawPressure(event.pressure);
const pointAction =
newElement.strokeShape === "fixed"
? getFixedFreeDrawPointAction({
points,
nextPoint,
strokeWidth: newElement.strokeWidth,
zoomValue: this.state.zoom.value,
})
: points.length > 0 &&
points[points.length - 1][0] === nextPoint[0] &&
points[points.length - 1][1] === nextPoint[1]
? "discard"
: "append";
const lastPoint = points.length > 0 && points[points.length - 1];
const discardPoint =
lastPoint && lastPoint[0] === dx && lastPoint[1] === dy;
if (!discardPoint) {
if (pointAction !== "discard") {
const pressures = newElement.simulatePressure
? newElement.pressures
: [...newElement.pressures, event.pressure];
: pointAction === "replace"
? [...newElement.pressures.slice(0, -1), pressure]
: [...newElement.pressures, pressure];
this.scene.mutateElement(
newElement,
{
points: [...points, pointFrom<LocalPoint>(dx, dy)],
points:
pointAction === "replace"
? [...points.slice(0, -1), nextPoint]
: [...points, nextPoint],
pressures,
},
{
@@ -10359,7 +10379,7 @@ class App extends React.Component<AppProps, AppState> {
});
}
}
});
};
}
// Returns whether the pointer move happened over either scrollbar
@@ -10404,7 +10424,7 @@ class App extends React.Component<AppProps, AppState> {
this.removePointer(childEvent);
pointerDownState.drag.blockDragging = false;
if (pointerDownState.eventListeners.onMove) {
pointerDownState.eventListeners.onMove.flush();
// pointerDownState.eventListeners.onMove.flush();
}
const {
newElement,
@@ -10641,23 +10661,48 @@ class App extends React.Component<AppProps, AppState> {
);
const points = newElement.points;
let dx = pointerCoords.x - newElement.x;
let dy = pointerCoords.y - newElement.y;
const dx = pointerCoords.x - newElement.x;
const dy = pointerCoords.y - newElement.y;
let nextPoint = getRoundedFreeDrawPoint(dx, dy);
// Allows dots to avoid being flagged as infinitely small
if (dx === points[0][0] && dy === points[0][1]) {
dy += 0.0001;
dx += 0.0001;
if (nextPoint[0] === points[0][0] && nextPoint[1] === points[0][1]) {
nextPoint = getRoundedFreeDrawPoint(
dx + FREEDRAW_DOT_EPSILON,
dy + FREEDRAW_DOT_EPSILON,
);
}
const pressures = newElement.simulatePressure
? []
: [...newElement.pressures, childEvent.pressure];
const lastPoint = points[points.length - 1];
const pressure = roundFreeDrawPressure(childEvent.pressure);
const pointAction =
newElement.strokeShape === "fixed"
? getFixedFreeDrawPointAction({
points,
nextPoint,
strokeWidth: newElement.strokeWidth,
zoomValue: this.state.zoom.value,
isFinalPoint: true,
})
: !lastPoint ||
lastPoint[0] !== nextPoint[0] ||
lastPoint[1] !== nextPoint[1]
? "append"
: "discard";
this.scene.mutateElement(newElement, {
points: [...points, pointFrom<LocalPoint>(dx, dy)],
pressures,
});
if (pointAction !== "discard") {
this.scene.mutateElement(newElement, {
points:
pointAction === "replace"
? [...points.slice(0, -1), nextPoint]
: [...points, nextPoint],
pressures: newElement.simulatePressure
? []
: pointAction === "replace"
? [...newElement.pressures.slice(0, -1), pressure]
: [...newElement.pressures, pressure],
});
}
this.actionManager.executeAction(actionFinalize);
@@ -10732,7 +10777,7 @@ class App extends React.Component<AppProps, AppState> {
sceneCoords,
});
}
this.setState({ suggestedBinding: null });
this.setState({ suggestedBinding: null, startBoundElement: null });
if (!activeTool.locked) {
resetCursor(this.interactiveCanvas);
this.setState((prevState) => ({
@@ -10753,9 +10798,9 @@ class App extends React.Component<AppProps, AppState> {
),
}));
} else {
this.setState({
this.setState((prevState) => ({
newElement: null,
});
}));
}
// so that the scene gets rendered again to display the newly drawn linear as well
this.scene.triggerUpdate();
+2 -1
View File
@@ -650,7 +650,8 @@ const LayerUI = ({
};
const stripIrrelevantAppStateProps = (appState: AppState): UIAppState => {
const { cursorButton, scrollX, scrollY, ...ret } = appState;
const { startBoundElement, cursorButton, scrollX, scrollY, ...ret } =
appState;
return ret;
};
+44 -2
View File
@@ -1164,7 +1164,7 @@ export const StrokeWidthBaseIcon = createIcon(
modifiedTablerIconProps,
);
export const StrokeWidthBoldIcon = createIcon(
export const StrokeWidthMediumIcon = createIcon(
<path
d="M5 10h10"
stroke="currentColor"
@@ -1175,7 +1175,7 @@ export const StrokeWidthBoldIcon = createIcon(
modifiedTablerIconProps,
);
export const StrokeWidthExtraBoldIcon = createIcon(
export const StrokeWidthBoldIcon = createIcon(
<path
d="M5 10h10"
stroke="currentColor"
@@ -1186,6 +1186,48 @@ export const StrokeWidthExtraBoldIcon = createIcon(
modifiedTablerIconProps,
);
export const StrokeWidthExtraBoldIcon = createIcon(
<path
d="M5 10h10"
stroke="currentColor"
strokeWidth="5"
strokeLinecap="round"
strokeLinejoin="round"
/>,
modifiedTablerIconProps,
);
export const StrokeShapeVariableIcon = createIcon(
<>
<path
d="M3.5 12.5c1.8-3.5 4.1-5.2 6.8-5.2 2.4 0 4.4 1.3 6.2 3.9"
stroke="currentColor"
strokeWidth="1.25"
strokeLinecap="round"
strokeLinejoin="round"
/>
<path
d="M7.75 10.8c1-.9 2-1.35 3.05-1.35 1.2 0 2.4.57 3.7 1.72"
stroke="currentColor"
strokeWidth="2.5"
strokeLinecap="round"
strokeLinejoin="round"
/>
</>,
modifiedTablerIconProps,
);
export const StrokeShapeFixedIcon = createIcon(
<path
d="M3.5 12h13"
stroke="currentColor"
strokeWidth="2.5"
strokeLinecap="round"
strokeLinejoin="round"
/>,
modifiedTablerIconProps,
);
export const StrokeStyleSolidIcon = React.memo(({ theme }: { theme: Theme }) =>
createIcon(
<path
-8
View File
@@ -814,14 +814,6 @@ body.excalidraw-cursor-resize * {
.excalidraw__embeddable__outer {
width: 100%;
height: 100%;
}
.excalidraw__embeddable__content {
width: 100%;
height: 100%;
transform-origin: top left;
&,
& > * {
border-radius: var(--embeddable-radius);
}
+24 -40
View File
@@ -96,7 +96,12 @@ type RestoredAppState = Omit<
"offsetTop" | "offsetLeft" | "width" | "height"
>;
const MAX_ARROW_PX = 75_000;
const normalizeFreeDrawStrokeShape = (
strokeShape: unknown,
): AppState["currentItemStrokeShape"] =>
strokeShape === "fixed" || strokeShape === "stable"
? "fixed"
: undefined;
export const AllowedExcalidrawActiveTools: Record<
AppState["activeTool"]["type"],
@@ -414,10 +419,12 @@ export const restoreElement = (
return element;
case "freedraw": {
const strokeShape = normalizeFreeDrawStrokeShape(element.strokeShape);
return restoreElementWithProperties(element, {
points: element.points,
simulatePressure: element.simulatePressure,
pressures: element.pressures,
...(strokeShape ? { strokeShape } : {}),
});
}
case "image":
@@ -469,8 +476,8 @@ export const restoreElement = (
element.endArrowhead === undefined
? "arrow"
: normalizeArrowhead(element.endArrowhead);
const x = element.x as number | undefined;
const y = element.y as number | undefined;
const x: number | undefined = element.x;
const y: number | undefined = element.y;
const points: readonly LocalPoint[] | undefined = // migrate old arrow model to new one
!Array.isArray(element.points) || element.points.length < 2
? [pointFrom(0, 0), pointFrom(element.width, element.height)]
@@ -495,8 +502,8 @@ export const restoreElement = (
startArrowhead,
endArrowhead,
points,
x: x ?? 0,
y: y ?? 0,
x,
y,
elbowed: (element as ExcalidrawArrowElement).elbowed,
...getSizeFromPoints(points),
};
@@ -515,44 +522,12 @@ export const restoreElement = (
})
: restoreElementWithProperties(element as ExcalidrawArrowElement, base);
const normalizedRestoredElement = {
return {
...restoredElement,
...LinearElementEditor.getNormalizeElementPointsAndCoords(
restoredElement,
),
};
// Last resort fix for extremely large arrows
if (
normalizedRestoredElement.width > MAX_ARROW_PX ||
normalizedRestoredElement.height > MAX_ARROW_PX
) {
console.error(
`Removing extremely large arrow ${
normalizedRestoredElement.id
} (type: ${
isElbowArrow(normalizedRestoredElement) ? "elbow" : "simple"
}, width: ${normalizedRestoredElement.width}, height: ${
normalizedRestoredElement.height
}, x: ${normalizedRestoredElement.x}, y: ${
normalizedRestoredElement.y
})`,
);
return {
...normalizedRestoredElement,
x: 0,
y: 0,
width: 100,
height: 100,
points: [
pointFrom<LocalPoint>(0, 0),
pointFrom<LocalPoint>(100, 100),
],
isDeleted: true,
};
}
return normalizedRestoredElement;
}
// generic elements
@@ -700,7 +675,6 @@ export const restoreElements = <T extends ExcalidrawElement>(
const existingElementsMap = existingElements
? arrayToMap(existingElements)
: null;
const restoredElements = syncInvalidIndices(
(targetElements || []).reduce((elements, element) => {
// filtering out selection, which is legacy, no longer kept in elements,
@@ -797,7 +771,7 @@ export const restoreElements = <T extends ExcalidrawElement>(
}
}
// NOTE (mtolmacs): Temporary fix for invalid/self-bound elbow arrows
// NOTE (mtolmacs): Temporary fix for extremely large arrows
// Need to iterate again so we have attached text nodes in elementsMap
return restoredElements.map((element) => {
if (
@@ -979,6 +953,16 @@ export const restoreAppState = (
return {
...nextAppState,
...(normalizeFreeDrawStrokeShape(
appState.currentItemStrokeShape ?? localAppState?.currentItemStrokeShape,
)
? {
currentItemStrokeShape: normalizeFreeDrawStrokeShape(
appState.currentItemStrokeShape ??
localAppState?.currentItemStrokeShape,
),
}
: {}),
cursorButton: localAppState?.cursorButton || "up",
// reset on fresh restore so as to hide the UI button if penMode not active
penDetected:
+3
View File
@@ -30,6 +30,9 @@
"changeBackground": "Change background color",
"fill": "Fill",
"strokeWidth": "Stroke width",
"strokeShape": "Stroke type",
"strokeShape_variable": "Variable",
"strokeShape_fixed": "Fixed",
"strokeStyle": "Stroke style",
"strokeStyle_solid": "Solid",
"strokeStyle_dashed": "Dashed",
+4 -4
View File
@@ -11,10 +11,10 @@ export const withBatchedUpdates = <
TFunction extends ((event: any) => void) | (() => void),
>(
func: Parameters<TFunction>["length"] extends 0 | 1 ? TFunction : never,
) =>
((event) => {
unstable_batchedUpdates(func as TFunction, event);
}) as TFunction;
) => func;
// ((event) => {
// unstable_batchedUpdates(func as TFunction, event);
// }) as TFunction;
/**
* barches React state updates and throttles the calls to a single call per
@@ -19,6 +19,8 @@ export const renderSnaps = (
}
// in dark mode, we need to adjust the color to account for color inversion.
// Don't change if zen mode, because we draw only crosses, we want the
// colors to be more visible
const snapColor =
appState.theme === THEME.LIGHT || appState.zenModeEnabled
? SNAP_COLOR_LIGHT
+14 -6
View File
@@ -376,6 +376,11 @@ const renderElementToSvg = (
}
case "freedraw": {
const wrapper = svgRoot.ownerDocument.createElementNS(SVG_NS, "g");
const isFixedStroke = element.strokeShape === "fixed";
const strokeColor =
renderConfig.theme === THEME.DARK
? applyDarkModeFilter(element.strokeColor)
: element.strokeColor;
const shapes = ShapeCache.generateElementShape(element, renderConfig);
// always ordered as [background, stroke]
@@ -384,12 +389,15 @@ const renderElementToSvg = (
// stroke (SVGPathString)
const path = svgRoot.ownerDocument.createElementNS(SVG_NS, "path");
path.setAttribute(
"fill",
renderConfig.theme === THEME.DARK
? applyDarkModeFilter(element.strokeColor)
: element.strokeColor,
);
if (isFixedStroke) {
path.setAttribute("fill", "none");
path.setAttribute("stroke", strokeColor);
path.setAttribute("stroke-width", `${element.strokeWidth}`);
path.setAttribute("stroke-linecap", "round");
path.setAttribute("stroke-linejoin", "round");
} else {
path.setAttribute("fill", strokeColor);
}
path.setAttribute("d", shape);
wrapper.appendChild(path);
} else {
+84 -538
View File
@@ -39,14 +39,6 @@ import type {
} from "./types";
const SNAP_DISTANCE = 8;
// Keep snap candidates with effectively identical offsets together. This needs
// to be wider than the 6-decimal rounding quantum to absorb JS floating-point
// noise around values like 4 and 4.000001.
const SNAP_OFFSET_TOLERANCE = 0.00001;
// Point snaps can come from both nearby and distant references within snap
// distance. If their visual distances have a large break, prefer the nearest
// cluster before comparing offsets.
const SNAP_REFERENCE_CLUSTER_BREAK_DISTANCE = 200;
// do not comput more gaps per axis than this limit
// TODO increase or remove once we optimize
@@ -57,51 +49,16 @@ export const getSnapDistance = (zoomValue: number) => {
return SNAP_DISTANCE / zoomValue;
};
/**
* Keeps the cluster threshold visually stable across zoom levels.
*/
const getSnapReferenceClusterBreakDistance = (zoomValue: number) => {
return SNAP_REFERENCE_CLUSTER_BREAK_DISTANCE / zoomValue;
};
type Vector2D = {
x: number;
y: number;
};
type PointPair = [GlobalPoint, GlobalPoint];
type SnapPointType = "outer" | "center";
type SnapSourceId = string;
const SELECTION_SNAP_SOURCE_ID = "selection";
// Snap source ids let us filter redundant snaplines only within one
// selection-to-reference relationship, without mixing separate reference groups.
// For example, "selection->rectA" may collapse to its outermost snaplines,
// while "selection->rectB" still keeps its own independent snaplines.
type SnapPoint = {
point: GlobalPoint;
type: SnapPointType;
snapSourceId: SnapSourceId;
};
const outerSnapPoint = (
point: GlobalPoint,
snapSourceId = SELECTION_SNAP_SOURCE_ID,
): SnapPoint => ({
point,
type: "outer",
snapSourceId,
});
export type PointSnap = {
type: "point";
points: PointPair;
pointTypes: [SnapPointType, SnapPointType];
snapSourceIds: [SnapSourceId, SnapSourceId];
// Distance along the rendered snapline, used to group visually nearby
// references before choosing which point snaps should win.
visualDistance: number;
offset: number;
};
@@ -163,14 +120,14 @@ export type SnapLine = PointSnapLine | GapSnapLine | PointerSnapLine;
// -----------------------------------------------------------------------------
export class SnapCache {
private static referenceSnapPoints: SnapPoint[] | null = null;
private static referenceSnapPoints: GlobalPoint[] | null = null;
private static visibleGaps: {
verticalGaps: Gap[];
horizontalGaps: Gap[];
} | null = null;
public static setReferenceSnapPoints = (snapPoints: SnapPoint[] | null) => {
public static setReferenceSnapPoints = (snapPoints: GlobalPoint[] | null) => {
SnapCache.referenceSnapPoints = snapPoints;
};
@@ -238,17 +195,6 @@ export const areRoughlyEqual = (a: number, b: number, precision = 0.01) => {
return Math.abs(a - b) <= precision;
};
/**
* Keeps nearly identical snap offsets in the same winner set. This prevents
* snapline flicker when rounded geometry differs by a tiny floating-point tail.
*/
const isWithinSnapOffset = (offset: number, minOffset: number) => {
return (
Math.abs(offset) <= minOffset ||
areRoughlyEqual(Math.abs(offset), minOffset, SNAP_OFFSET_TOLERANCE)
);
};
export const getElementsCorners = (
elements: ExcalidrawElement[],
elementsMap: ElementsMap,
@@ -366,81 +312,18 @@ export const getElementsCorners = (
return result.map((p) => pointFrom(round(p[0]), round(p[1])));
};
const getElementsSnapPoints = (
elements: ExcalidrawElement[],
elementsMap: ElementsMap,
options: Parameters<typeof getElementsCorners>[2] = {},
snapSourceId = SELECTION_SNAP_SOURCE_ID,
): SnapPoint[] => {
const points = getElementsCorners(elements, elementsMap, options);
// getElementsCorners() appends the center point last unless omitCenter is set.
const hasCenterPoint = !options.omitCenter && points.length > 0;
return points.map((point, index) => ({
point,
type: hasCenterPoint && index === points.length - 1 ? "center" : "outer",
snapSourceId,
}));
};
/**
* Builds a stable identity for one snap reference group. Sorting keeps grouped
* elements represented by the same snap source id regardless of element order.
*/
const getSnapSourceId = (elements: ExcalidrawElement[]) => {
return elements
.map((element) => element.id)
.sort()
.join(",");
};
/**
* Finds frames that the current selection already belongs to. Their children
* are still valid snap references; children of unrelated frames are not.
*/
const getSelectedFrameIdsForSnapping = (
selectedElements: readonly ExcalidrawElement[],
) => {
const selectedFrameIds = new Set<ExcalidrawElement["id"]>();
for (const element of selectedElements) {
if (element.frameId) {
selectedFrameIds.add(element.frameId);
}
}
return selectedFrameIds;
};
/**
* Frame children are only snap references when the dragged selection is inside
* the same frame. This avoids snapping external elements to internals of a
* framed diagram.
*/
const canUseElementAsSnapReference = (
element: NonDeletedExcalidrawElement,
selectedFrameIds: Set<ExcalidrawElement["id"]>,
) => {
return !element.frameId || selectedFrameIds.has(element.frameId);
};
const getReferenceElements = (
elements: readonly NonDeletedExcalidrawElement[],
selectedElements: NonDeletedExcalidrawElement[],
appState: AppState,
elementsMap: ElementsMap,
) => {
const selectedFrameIds = getSelectedFrameIdsForSnapping(selectedElements);
return getVisibleAndNonSelectedElements(
) =>
getVisibleAndNonSelectedElements(
elements,
selectedElements,
appState,
elementsMap,
).filter((element) => {
return canUseElementAsSnapReference(element, selectedFrameIds);
});
};
);
export const getVisibleGaps = (
elements: readonly NonDeletedExcalidrawElement[],
@@ -599,10 +482,7 @@ const getGapSnaps = (
const centerOffset = round(gapMidX - centerX);
const gapIsLargerThanSelection = gap.length > maxX - minX;
if (
gapIsLargerThanSelection &&
isWithinSnapOffset(centerOffset, minOffset.x)
) {
if (gapIsLargerThanSelection && Math.abs(centerOffset) <= minOffset.x) {
if (Math.abs(centerOffset) < minOffset.x) {
nearestSnapsX.length = 0;
}
@@ -624,7 +504,7 @@ const getGapSnaps = (
const distanceToEndElementX = minX - endMaxX;
const sideOffsetRight = round(gap.length - distanceToEndElementX);
if (isWithinSnapOffset(sideOffsetRight, minOffset.x)) {
if (Math.abs(sideOffsetRight) <= minOffset.x) {
if (Math.abs(sideOffsetRight) < minOffset.x) {
nearestSnapsX.length = 0;
}
@@ -645,7 +525,7 @@ const getGapSnaps = (
const distanceToStartElementX = startMinX - maxX;
const sideOffsetLeft = round(distanceToStartElementX - gap.length);
if (isWithinSnapOffset(sideOffsetLeft, minOffset.x)) {
if (Math.abs(sideOffsetLeft) <= minOffset.x) {
if (Math.abs(sideOffsetLeft) < minOffset.x) {
nearestSnapsX.length = 0;
}
@@ -671,10 +551,7 @@ const getGapSnaps = (
const centerOffset = round(gapMidY - centerY);
const gapIsLargerThanSelection = gap.length > maxY - minY;
if (
gapIsLargerThanSelection &&
isWithinSnapOffset(centerOffset, minOffset.y)
) {
if (gapIsLargerThanSelection && Math.abs(centerOffset) <= minOffset.y) {
if (Math.abs(centerOffset) < minOffset.y) {
nearestSnapsY.length = 0;
}
@@ -696,7 +573,7 @@ const getGapSnaps = (
const distanceToStartElementY = startMinY - maxY;
const sideOffsetTop = round(distanceToStartElementY - gap.length);
if (isWithinSnapOffset(sideOffsetTop, minOffset.y)) {
if (Math.abs(sideOffsetTop) <= minOffset.y) {
if (Math.abs(sideOffsetTop) < minOffset.y) {
nearestSnapsY.length = 0;
}
@@ -717,7 +594,7 @@ const getGapSnaps = (
const distanceToEndElementY = round(minY - endMaxY);
const sideOffsetBottom = gap.length - distanceToEndElementY;
if (isWithinSnapOffset(sideOffsetBottom, minOffset.y)) {
if (Math.abs(sideOffsetBottom) <= minOffset.y) {
if (Math.abs(sideOffsetBottom) < minOffset.y) {
nearestSnapsY.length = 0;
}
@@ -736,102 +613,6 @@ const getGapSnaps = (
}
};
/**
* Narrows point snaps to the nearest visual cluster, then keeps the best offset
* inside that cluster. If all references look continuous, this preserves the
* old smallest-offset behavior.
*/
const filterPointSnapsToNearestCluster = (
snaps: Snaps,
clusterBreakDistance: number,
) => {
const pointSnaps = snaps.filter(
(snap): snap is PointSnap => snap.type === "point",
);
if (pointSnaps.length < 2) {
return;
}
const snapsByOffset = new Map<number, PointSnap[]>();
for (const snap of pointSnaps) {
const offset = round(snap.offset);
const offsetSnaps = snapsByOffset.get(offset) ?? [];
offsetSnaps.push(snap);
snapsByOffset.set(offset, offsetSnaps);
}
const keptPointSnaps = new Set<PointSnap>();
const offsetGroups = Array.from(snapsByOffset.entries()).map(
([offset, offsetSnaps]) => ({
offset,
snaps: offsetSnaps,
visualDistance: Math.min(
...offsetSnaps.map((snap) => snap.visualDistance),
),
}),
);
const sortedOffsetGroups = offsetGroups
.slice()
.sort((a, b) => a.visualDistance - b.visualDistance);
let keepOffsetGroupsUntil = sortedOffsetGroups.length;
// Prefer a nearby reference cluster before comparing offset. If there is no
// clear distance break, this keeps all offsets and falls back to the old
// smallest-offset behavior.
for (let i = 1; i < sortedOffsetGroups.length; i++) {
const distanceGap =
sortedOffsetGroups[i].visualDistance -
sortedOffsetGroups[i - 1].visualDistance;
if (distanceGap > clusterBreakDistance) {
keepOffsetGroupsUntil = i;
break;
}
}
const nearestOffsetGroups = sortedOffsetGroups.slice(
0,
keepOffsetGroupsUntil,
);
const minOffset = Math.min(
...nearestOffsetGroups.map(({ offset }) => Math.abs(offset)),
);
const selectedOffsets = nearestOffsetGroups
.filter(({ offset }) =>
areRoughlyEqual(Math.abs(offset), minOffset, SNAP_OFFSET_TOLERANCE),
)
.map(({ offset }) => offset);
for (const offsetSnaps of snapsByOffset.values()) {
if (
!selectedOffsets.some((offset) =>
areRoughlyEqual(
round(offsetSnaps[0].offset),
offset,
SNAP_OFFSET_TOLERANCE,
),
)
) {
continue;
}
offsetSnaps.forEach((snap) => keptPointSnaps.add(snap));
}
let writeIndex = 0;
for (const snap of snaps) {
if (snap.type !== "point" || keptPointSnaps.has(snap)) {
snaps[writeIndex] = snap;
writeIndex++;
}
}
snaps.length = writeIndex;
};
export const getReferenceSnapPoints = (
elements: readonly NonDeletedExcalidrawElement[],
selectedElements: ExcalidrawElement[],
@@ -849,24 +630,12 @@ export const getReferenceSnapPoints = (
(elementsGroup) =>
!(elementsGroup.length === 1 && isBoundToContainer(elementsGroup[0])),
)
.flatMap((elementGroup) =>
getElementsSnapPoints(
elementGroup,
elementsMap,
{},
getSnapSourceId(elementGroup),
),
);
.flatMap((elementGroup) => getElementsCorners(elementGroup, elementsMap));
};
/**
* Collects point snaps within snap distance. Unlike gap snaps, point snaps first
* go through visual-cluster filtering so a nearby reference can beat a slightly
* better offset from a far-away reference.
*/
const getPointSnaps = (
selectedElements: ExcalidrawElement[],
selectionSnapPoints: SnapPoint[],
selectionSnapPoints: GlobalPoint[],
app: AppClassProperties,
event: KeyboardModifiersObject,
nearestSnapsX: Snaps,
@@ -885,62 +654,39 @@ const getPointSnaps = (
if (referenceSnapPoints) {
for (const thisSnapPoint of selectionSnapPoints) {
for (const otherSnapPoint of referenceSnapPoints) {
const offsetX = otherSnapPoint.point[0] - thisSnapPoint.point[0];
const offsetY = otherSnapPoint.point[1] - thisSnapPoint.point[1];
const offsetX = otherSnapPoint[0] - thisSnapPoint[0];
const offsetY = otherSnapPoint[1] - thisSnapPoint[1];
if (Math.abs(offsetX) <= minOffset.x) {
if (Math.abs(offsetX) < minOffset.x) {
nearestSnapsX.length = 0;
}
if (isWithinSnapOffset(offsetX, minOffset.x)) {
nearestSnapsX.push({
type: "point",
points: [thisSnapPoint.point, otherSnapPoint.point],
pointTypes: [thisSnapPoint.type, otherSnapPoint.type],
snapSourceIds: [
thisSnapPoint.snapSourceId,
otherSnapPoint.snapSourceId,
],
visualDistance: Math.abs(
otherSnapPoint.point[1] - thisSnapPoint.point[1],
),
points: [thisSnapPoint, otherSnapPoint],
offset: offsetX,
});
minOffset.x = Math.abs(offsetX);
}
if (isWithinSnapOffset(offsetY, minOffset.y)) {
if (Math.abs(offsetY) <= minOffset.y) {
if (Math.abs(offsetY) < minOffset.y) {
nearestSnapsY.length = 0;
}
nearestSnapsY.push({
type: "point",
points: [thisSnapPoint.point, otherSnapPoint.point],
pointTypes: [thisSnapPoint.type, otherSnapPoint.type],
snapSourceIds: [
thisSnapPoint.snapSourceId,
otherSnapPoint.snapSourceId,
],
visualDistance: Math.abs(
otherSnapPoint.point[0] - thisSnapPoint.point[0],
),
points: [thisSnapPoint, otherSnapPoint],
offset: offsetY,
});
minOffset.y = Math.abs(offsetY);
}
}
}
}
const clusterBreakDistance = getSnapReferenceClusterBreakDistance(
app.state.zoom.value,
);
filterPointSnapsToNearestCluster(nearestSnapsX, clusterBreakDistance);
filterPointSnapsToNearestCluster(nearestSnapsY, clusterBreakDistance);
if (nearestSnapsX.length > 0) {
minOffset.x = Math.min(
...nearestSnapsX.map((snap) => Math.abs(snap.offset)),
);
}
if (nearestSnapsY.length > 0) {
minOffset.y = Math.min(
...nearestSnapsY.map((snap) => Math.abs(snap.offset)),
);
}
};
export const snapDraggedElements = (
@@ -974,7 +720,7 @@ export const snapDraggedElements = (
y: snapDistance,
};
const selectionPoints = getElementsSnapPoints(selectedElements, elementsMap, {
const selectionPoints = getElementsCorners(selectedElements, elementsMap, {
dragOffset,
});
@@ -1024,7 +770,7 @@ export const snapDraggedElements = (
getPointSnaps(
selectedElements,
getElementsSnapPoints(selectedElements, elementsMap, {
getElementsCorners(selectedElements, elementsMap, {
dragOffset: newDragOffset,
}),
app,
@@ -1079,185 +825,12 @@ const dedupePoints = (points: GlobalPoint[]): GlobalPoint[] => {
return Array.from(map.values());
};
// Point snaplines are collected from every winning point snap first. Multiple
// snap source pairs can collapse to the same rendered line, so candidates keep
// source-pair metadata until redundant center and inner outer lines are removed.
type PointSnapLineSourcePair = {
snapSourcePairKey: string;
pointType: SnapPointType;
};
type PointSnapLineCandidate = PointSnapLine & {
sourcePairs: PointSnapLineSourcePair[];
};
type PointSnapLineBucket = {
points: GlobalPoint[];
sourcePairs: PointSnapLineSourcePair[];
};
type OuterSnapLineCoordinateRange = {
count: number;
min: number;
max: number;
};
/**
* Describes which snap source pair produced a rendered point snapline, so later
* filtering can reason about redundancy without mixing unrelated references.
* Only center-to-center snaps count as center snaplines; a center-to-outer snap
* still explains an outer edge or midpoint alignment.
*/
const getPointSnapLineSourcePair = (
snap: PointSnap,
): PointSnapLineSourcePair => {
return {
snapSourcePairKey: snap.snapSourceIds.join("->"),
pointType: snap.pointTypes.every((pointType) => pointType === "center")
? "center"
: "outer",
};
};
/**
* Builds each snap source pair's outer coordinate range. Center snaplines use
* this range to decide whether the surrounding outer lines already explain
* them, and outer snaplines use it to keep only the two extremes.
*/
const getOuterCoordinateRangesBySnapSourcePairKey = (
snapLines: PointSnapLineCandidate[],
getCoordinate: (snapLine: PointSnapLine) => number,
) => {
const ranges = new Map<string, OuterSnapLineCoordinateRange>();
for (const snapLine of snapLines) {
const coordinate = getCoordinate(snapLine);
for (const sourcePair of snapLine.sourcePairs) {
if (sourcePair.pointType === "center") {
continue;
}
const range = ranges.get(sourcePair.snapSourcePairKey);
ranges.set(sourcePair.snapSourcePairKey, {
count: (range?.count ?? 0) + 1,
min: range ? Math.min(range.min, coordinate) : coordinate,
max: range ? Math.max(range.max, coordinate) : coordinate,
});
}
}
return ranges;
};
/**
* A center snapline is redundant when outer snaplines from the same snap source
* pair exist on both sides, because the outer lines already imply center
* alignment.
*/
const isRedundantCenterSnapLine = (
coordinate: number,
outerCoordinateRange?: OuterSnapLineCoordinateRange,
) => {
if (!outerCoordinateRange) {
return false;
}
return (
outerCoordinateRange.min < coordinate &&
outerCoordinateRange.max > coordinate
);
};
/**
* When more than two outer snaplines come from the same snap source pair, the
* inner ones are redundant; the two extremes communicate the same shape
* alignment.
*/
const isRedundantOuterSnapLine = (
coordinate: number,
outerCoordinateRange?: OuterSnapLineCoordinateRange,
) => {
if (!outerCoordinateRange || outerCoordinateRange.count <= 2) {
return false;
}
return (
coordinate !== outerCoordinateRange.min &&
coordinate !== outerCoordinateRange.max
);
};
/**
* Keeps a visual snapline if at least one snap source pair represented by the
* line still needs it. This matters when multiple snap source pairs collapse to
* the same rendered coordinate.
*/
const isPointSnapLineNeededBySourcePair = (
sourcePair: PointSnapLineSourcePair,
coordinate: number,
outerCoordinateRangesBySnapSourcePairKey: Map<
string,
OuterSnapLineCoordinateRange
>,
) => {
const outerCoordinateRange = outerCoordinateRangesBySnapSourcePairKey.get(
sourcePair.snapSourcePairKey,
);
if (sourcePair.pointType === "center") {
return !isRedundantCenterSnapLine(coordinate, outerCoordinateRange);
}
return !isRedundantOuterSnapLine(coordinate, outerCoordinateRange);
};
/**
* Removes point snaplines that are visually redundant, while preserving any line
* that is still needed by at least one snap source pair represented on that
* line.
*/
const filterRedundantPointSnapLines = (
snapLines: PointSnapLineCandidate[],
getCoordinate: (snapLine: PointSnapLine) => number,
): PointSnapLine[] => {
if (snapLines.length < 3) {
return snapLines.map(({ sourcePairs, ...snapLine }) => snapLine);
}
// Track outer-line ranges per snap source pair. The same visual snapline can
// be produced by multiple snap source pairs, so a line is removed only when
// every pair represented by that line considers it redundant.
const outerCoordinateRangesBySnapSourcePairKey =
getOuterCoordinateRangesBySnapSourcePairKey(snapLines, getCoordinate);
return snapLines
.filter((snapLine) => {
const coordinate = getCoordinate(snapLine);
return snapLine.sourcePairs.some((sourcePair) =>
isPointSnapLineNeededBySourcePair(
sourcePair,
coordinate,
outerCoordinateRangesBySnapSourcePairKey,
),
);
})
.map(({ sourcePairs, ...snapLine }) => snapLine);
};
/**
* Merges point snaps that render on the same x/y coordinate, attaches their
* snap source pair metadata, then removes redundant center and inner outer
* lines.
*/
const createPointSnapLines = (
nearestSnapsX: Snaps,
nearestSnapsY: Snaps,
): PointSnapLine[] => {
const snapsX = {} as { [key: string]: PointSnapLineBucket };
const snapsY = {} as { [key: string]: PointSnapLineBucket };
const snapsX = {} as { [key: string]: GlobalPoint[] };
const snapsY = {} as { [key: string]: GlobalPoint[] };
if (nearestSnapsX.length > 0) {
for (const snap of nearestSnapsX) {
@@ -1265,14 +838,13 @@ const createPointSnapLines = (
// key = thisPoint.x
const key = round(snap.points[0][0]);
if (!snapsX[key]) {
snapsX[key] = { points: [], sourcePairs: [] };
snapsX[key] = [];
}
snapsX[key].points.push(
snapsX[key].push(
...snap.points.map((p) =>
pointFrom<GlobalPoint>(round(p[0]), round(p[1])),
),
);
snapsX[key].sourcePairs.push(getPointSnapLineSourcePair(snap));
}
}
}
@@ -1283,55 +855,44 @@ const createPointSnapLines = (
// key = thisPoint.y
const key = round(snap.points[0][1]);
if (!snapsY[key]) {
snapsY[key] = { points: [], sourcePairs: [] };
snapsY[key] = [];
}
snapsY[key].points.push(
snapsY[key].push(
...snap.points.map((p) =>
pointFrom<GlobalPoint>(round(p[0]), round(p[1])),
),
);
snapsY[key].sourcePairs.push(getPointSnapLineSourcePair(snap));
}
}
}
const snapLinesX = Object.entries(snapsX).map(([key, snap]) => {
return {
type: "points",
points: dedupePoints(
snap.points
.map((p) => {
return pointFrom<GlobalPoint>(Number(key), p[1]);
})
.sort((a, b) => a[1] - b[1]),
),
sourcePairs: snap.sourcePairs,
} as PointSnapLineCandidate;
});
const snapLinesY = Object.entries(snapsY).map(([key, snap]) => {
return {
type: "points",
points: dedupePoints(
snap.points
.map((p) => {
return pointFrom<GlobalPoint>(p[0], Number(key));
})
.sort((a, b) => a[0] - b[0]),
),
sourcePairs: snap.sourcePairs,
} as PointSnapLineCandidate;
});
return filterRedundantPointSnapLines(
snapLinesX,
(snapLine) => snapLine.points[0][0],
).concat(
filterRedundantPointSnapLines(
snapLinesY,
(snapLine) => snapLine.points[0][1],
),
);
return Object.entries(snapsX)
.map(([key, points]) => {
return {
type: "points",
points: dedupePoints(
points
.map((p) => {
return pointFrom<GlobalPoint>(Number(key), p[1]);
})
.sort((a, b) => a[1] - b[1]),
),
} as PointSnapLine;
})
.concat(
Object.entries(snapsY).map(([key, points]) => {
return {
type: "points",
points: dedupePoints(
points
.map((p) => {
return pointFrom<GlobalPoint>(p[0], Number(key));
})
.sort((a, b) => a[0] - b[0]),
),
} as PointSnapLine;
}),
);
};
const dedupeGapSnapLines = (gapSnapLines: GapSnapLine[]) => {
@@ -1356,13 +917,10 @@ const createGapSnapLines = (
dragOffset: Vector2D,
gapSnaps: GapSnap[],
): GapSnapLine[] => {
// Use the same rounded bounds as getGapSnaps(). Otherwise a gap snap can be
// accepted during snapping but skipped here because the raw bounds miss the
// reference gap overlap by a tiny floating-point delta.
const [minX, minY, maxX, maxY] = getDraggedElementsBounds(
selectedElements,
dragOffset,
).map((bound) => round(bound));
);
const gapSnapLines: GapSnapLine[] = [];
@@ -1585,52 +1143,40 @@ export const snapResizingElements = (
}
}
const selectionSnapPoints: SnapPoint[] = [];
const selectionSnapPoints: GlobalPoint[] = [];
if (transformHandle) {
switch (transformHandle) {
case "e": {
selectionSnapPoints.push(
outerSnapPoint(pointFrom(maxX, minY)),
outerSnapPoint(pointFrom(maxX, maxY)),
);
selectionSnapPoints.push(pointFrom(maxX, minY), pointFrom(maxX, maxY));
break;
}
case "w": {
selectionSnapPoints.push(
outerSnapPoint(pointFrom(minX, minY)),
outerSnapPoint(pointFrom(minX, maxY)),
);
selectionSnapPoints.push(pointFrom(minX, minY), pointFrom(minX, maxY));
break;
}
case "n": {
selectionSnapPoints.push(
outerSnapPoint(pointFrom(minX, minY)),
outerSnapPoint(pointFrom(maxX, minY)),
);
selectionSnapPoints.push(pointFrom(minX, minY), pointFrom(maxX, minY));
break;
}
case "s": {
selectionSnapPoints.push(
outerSnapPoint(pointFrom(minX, maxY)),
outerSnapPoint(pointFrom(maxX, maxY)),
);
selectionSnapPoints.push(pointFrom(minX, maxY), pointFrom(maxX, maxY));
break;
}
case "ne": {
selectionSnapPoints.push(outerSnapPoint(pointFrom(maxX, minY)));
selectionSnapPoints.push(pointFrom(maxX, minY));
break;
}
case "nw": {
selectionSnapPoints.push(outerSnapPoint(pointFrom(minX, minY)));
selectionSnapPoints.push(pointFrom(minX, minY));
break;
}
case "se": {
selectionSnapPoints.push(outerSnapPoint(pointFrom(maxX, maxY)));
selectionSnapPoints.push(pointFrom(maxX, maxY));
break;
}
case "sw": {
selectionSnapPoints.push(outerSnapPoint(pointFrom(minX, maxY)));
selectionSnapPoints.push(pointFrom(minX, maxY));
break;
}
}
@@ -1672,11 +1218,11 @@ export const snapResizingElements = (
round(bound),
);
const corners: SnapPoint[] = [
outerSnapPoint(pointFrom(x1, y1)),
outerSnapPoint(pointFrom(x1, y2)),
outerSnapPoint(pointFrom(x2, y1)),
outerSnapPoint(pointFrom(x2, y2)),
const corners: GlobalPoint[] = [
pointFrom(x1, y1),
pointFrom(x1, y2),
pointFrom(x2, y1),
pointFrom(x2, y2),
];
getPointSnaps(
@@ -1712,8 +1258,8 @@ export const snapNewElement = (
};
}
const selectionSnapPoints: SnapPoint[] = [
outerSnapPoint(pointFrom(origin.x + dragOffset.x, origin.y + dragOffset.y)),
const selectionSnapPoints: GlobalPoint[] = [
pointFrom(origin.x + dragOffset.x, origin.y + dragOffset.y),
];
const snapDistance = getSnapDistance(app.state.zoom.value);
@@ -1746,7 +1292,7 @@ export const snapNewElement = (
nearestSnapsX.length = 0;
nearestSnapsY.length = 0;
const corners = getElementsSnapPoints([newElement], elementsMap, {
const corners = getElementsCorners([newElement], elementsMap, {
boundingBoxCorners: true,
omitCenter: true,
});
@@ -979,6 +979,7 @@ exports[`contextMenu element > right-clicking on a group should select whole gro
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -1172,6 +1173,7 @@ exports[`contextMenu element > selecting 'Add to library' in context menu adds e
"showHyperlinkPopup": false,
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"stats": {
"open": false,
"panels": 3,
@@ -7037,6 +7057,7 @@ exports[`regression tests > given a group of selected elements with an element t
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -7371,6 +7392,7 @@ exports[`regression tests > given a selected element A and a not selected elemen
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -7649,6 +7671,7 @@ exports[`regression tests > given selected element A with lower z-index than uns
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -7884,6 +7907,7 @@ exports[`regression tests > given selected element A with lower z-index than uns
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -8122,6 +8146,7 @@ exports[`regression tests > key 2 selects rectangle tool > [end of test] appStat
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -8302,6 +8327,7 @@ exports[`regression tests > key 3 selects diamond tool > [end of test] appState
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -8482,6 +8508,7 @@ exports[`regression tests > key 4 selects ellipse tool > [end of test] appState
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -9124,6 +9151,7 @@ exports[`regression tests > key 7 selects freedraw tool > [end of test] appState
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -9551,6 +9579,7 @@ exports[`regression tests > key d selects diamond tool > [end of test] appState
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -9962,6 +9991,7 @@ exports[`regression tests > key o selects ellipse tool > [end of test] appState
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -10140,6 +10170,7 @@ exports[`regression tests > key p selects freedraw tool > [end of test] appState
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -10334,6 +10365,7 @@ exports[`regression tests > key r selects rectangle tool > [end of test] appStat
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -10522,6 +10554,7 @@ exports[`regression tests > make a group and duplicate it > [end of test] appSta
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -11047,6 +11080,7 @@ exports[`regression tests > noop interaction after undo shouldn't create history
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -11323,6 +11357,7 @@ exports[`regression tests > pinch-to-zoom works > [end of test] appState 1`] = `
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -11448,6 +11483,7 @@ exports[`regression tests > shift click on selected element should deselect it o
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -11652,6 +11688,7 @@ exports[`regression tests > shift-click to multiselect, then drag > [end of test
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -11973,6 +12010,7 @@ exports[`regression tests > should group elements and ungroup them > [end of tes
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -12406,6 +12444,7 @@ exports[`regression tests > single-clicking on a subgroup of a selected group sh
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -13037,6 +13076,7 @@ exports[`regression tests > spacebar + drag scrolls the canvas > [end of test] a
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -13164,6 +13204,7 @@ exports[`regression tests > supports nested groups > [end of test] appState 1`]
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -13824,6 +13865,7 @@ exports[`regression tests > switches from group of selected elements to another
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -14162,6 +14204,7 @@ exports[`regression tests > switches selected element on pointer down > [end of
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -14394,6 +14437,7 @@ exports[`regression tests > two-finger scroll works > [end of test] appState 1`]
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -14882,6 +14926,7 @@ exports[`regression tests > updates fontSize & fontFamily appState > [end of tes
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -15008,6 +15053,7 @@ exports[`regression tests > zoom hotkeys > [end of test] appState 1`] = `
"showHyperlinkPopup": false,
"showWelcomeScreen": true,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,
@@ -160,6 +160,40 @@ describe("restoreElements", () => {
});
});
it("should restore fixed freedraw element correctly", () => {
const freedrawElement = API.createElement({
type: "freedraw",
id: "id-freedraw02",
strokeShape: "fixed",
points: [pointFrom(0, 0), pointFrom(10, 10)],
});
const restoredFreedraw = restore.restoreElements(
[freedrawElement],
null,
)[0] as ExcalidrawFreeDrawElement;
expect(restoredFreedraw.strokeShape).toBe("fixed");
});
it("should restore legacy stable freedraw element as fixed", () => {
const restoredFreedraw = restore.restoreElements(
[
{
...API.createElement({
type: "freedraw",
id: "id-freedraw03",
points: [pointFrom(0, 0), pointFrom(10, 10)],
}),
strokeShape: "stable",
} as any,
],
null,
)[0] as ExcalidrawFreeDrawElement;
expect(restoredFreedraw.strokeShape).toBe("fixed");
});
it("should restore line and draw elements correctly", () => {
const lineElement = API.createElement({ type: "line", id: "id-line01" });
@@ -641,6 +675,26 @@ describe("restoreAppState", () => {
expect(restoredAppState.name).toBe(stubImportedAppState.name);
});
it("should restore fixed freedraw stroke type from app state", () => {
const restoredAppState = restore.restoreAppState(
{ currentItemStrokeShape: "fixed" } as ImportedDataState["appState"],
null,
);
expect(restoredAppState.currentItemStrokeShape).toBe("fixed");
});
it("should restore legacy stable freedraw stroke type from app state as fixed", () => {
const restoredAppState = restore.restoreAppState(
{
currentItemStrokeShape: "stable",
} as unknown as ImportedDataState["appState"],
null,
);
expect(restoredAppState.currentItemStrokeShape).toBe("fixed");
});
it("should return local app state when imported data state is null", () => {
const stubLocalAppState = getDefaultAppState();
stubLocalAppState.cursorButton = "down";
@@ -0,0 +1,78 @@
import React from "react";
import { Excalidraw } from "../index";
import { API } from "./helpers/api";
import { Pointer, UI } from "./helpers/ui";
import { render } from "./test-utils";
describe("freedraw", () => {
beforeEach(async () => {
await render(<Excalidraw />);
});
it("rounds stored points and drops duplicates after rounding", () => {
const mouse = new Pointer("mouse");
UI.clickTool("freedraw");
mouse.downAt(10, 20);
mouse.moveTo(10.1234, 20.5678);
mouse.moveTo(10.1249, 20.5681);
mouse.upAt(20.9999, 30.0001);
const freedraw = window.h.elements.at(-1);
expect(freedraw).toEqual(expect.objectContaining({ type: "freedraw" }));
expect((freedraw as any).points).toEqual([
[0, 0],
[0.12, 0.57],
[11, 10],
]);
});
it("does not snap fixed strokes closed when ending near the start point", () => {
const mouse = new Pointer("mouse");
API.setAppState({ currentItemStrokeShape: "fixed" });
UI.clickTool("freedraw");
mouse.downAt(10, 10);
mouse.moveTo(40, 10);
mouse.moveTo(30, 30);
mouse.upAt(12, 12);
const freedraw = window.h.elements.at(-1) as any;
expect(freedraw.points[0]).toEqual([0, 0]);
expect(freedraw.points.at(-1)).not.toEqual([0, 0]);
});
it("coalesces nearly straight fixed freedraw points at the tip", () => {
const mouse = new Pointer("mouse");
API.setAppState({ currentItemStrokeShape: "fixed" });
UI.clickTool("freedraw");
mouse.downAt(10, 10);
[
[10.2, 10.01],
[10.4, 10.03],
[10.6, 10.02],
[10.8, 10.04],
[11, 10.03],
[11.2, 10.05],
[11.4, 10.04],
[11.6, 10.06],
[11.8, 10.05],
].forEach(([x, y]) => {
mouse.moveTo(x, y);
});
mouse.upAt(12, 10.05);
const freedraw = window.h.elements.at(-1) as any;
expect(freedraw.points.length).toBeLessThan(5);
expect(freedraw.points).toEqual([
[0, 0],
[2, 0.05],
]);
});
});
+4
View File
@@ -201,6 +201,9 @@ export class API {
? ExcalidrawTextElement["containerId"]
: never;
points?: T extends "arrow" | "line" | "freedraw" ? readonly LocalPoint[] : never;
strokeShape?: T extends "freedraw"
? ExcalidrawFreeDrawElement["strokeShape"]
: never;
locked?: boolean;
fileId?: T extends "image" ? string : never;
scale?: T extends "image" ? ExcalidrawImageElement["scale"] : never;
@@ -318,6 +321,7 @@ export class API {
type: type as "freedraw",
simulatePressure: true,
points: rest.points,
strokeShape: rest.strokeShape ?? appState.currentItemStrokeShape,
...base,
});
break;
+4 -1
View File
@@ -28,6 +28,7 @@ import type { GlobalPoint, LocalPoint, Radians } from "@excalidraw/math";
import type { TransformHandleType } from "@excalidraw/element";
import type {
ExcalidrawElement,
ExcalidrawFreeDrawElement,
ExcalidrawLinearElement,
ExcalidrawTextElement,
ExcalidrawArrowElement,
@@ -432,8 +433,10 @@ type DrawingToolName = Exclude<
"lock" | "selection" | "eraser" | "lasso"
>;
type Element<T extends DrawingToolName> = T extends "line" | "freedraw"
type Element<T extends DrawingToolName> = T extends "line"
? ExcalidrawLinearElement
: T extends "freedraw"
? ExcalidrawFreeDrawElement
: T extends "arrow"
? ExcalidrawArrowElement
: T extends "text"
@@ -615,32 +615,6 @@ describe("box-selection overlap mode", () => {
assertSelectedElements([]);
});
it("should not select a framed element when selection only overlaps its clipped-out outline", () => {
const frame = API.createElement({
type: "frame",
x: 100,
y: 100,
width: 100,
height: 100,
});
const rect1 = API.createElement({
type: "rectangle",
x: 50,
y: 50,
width: 200,
height: 200,
frameId: frame.id,
backgroundColor: "red",
fillStyle: "solid",
});
API.setElements([frame, rect1]);
boxSelect(40, 170, 70, 220);
assertSelectedElements([]);
});
});
describe("inner box-selection", () => {
-833
View File
@@ -1,833 +0,0 @@
import { arrayToMap } from "@excalidraw/common";
import {
pointFrom,
rangeInclusive,
type GlobalPoint,
type Radians,
} from "@excalidraw/math";
import type { ExcalidrawElement } from "@excalidraw/element/types";
import { getDefaultAppState } from "../appState";
import {
getElementsCorners,
getVisibleGaps,
getReferenceSnapPoints,
SnapCache,
snapDraggedElements,
} from "../snapping";
import { API } from "./helpers/api";
import type {
AppClassProperties,
AppState,
NormalizedZoomValue,
} from "../types";
type ReferenceSnapPoints = NonNullable<
ReturnType<typeof SnapCache.getReferenceSnapPoints>
>;
const NO_MODIFIER_KEYS = {
altKey: false,
ctrlKey: false,
metaKey: false,
shiftKey: false,
};
const createSnappingApp = (appState: Partial<AppState> = {}) =>
({
props: {},
state: {
...getDefaultAppState(),
objectsSnapModeEnabled: true,
width: 1000,
height: 1000,
offsetLeft: 0,
offsetTop: 0,
...appState,
},
} as AppClassProperties);
const getHorizontalPointSnapLineCoordinates = (
snapLines: ReturnType<typeof snapDraggedElements>["snapLines"],
) => {
return snapLines
.filter((snapLine) => snapLine.type === "points")
.filter((snapLine) => {
const [firstPoint, lastPoint] = snapLine.points;
return firstPoint[1] === lastPoint[1];
})
.map((snapLine) => {
return snapLine.points[0][1];
})
.sort((a, b) => a - b);
};
const getVerticalPointSnapLineCoordinates = (
snapLines: ReturnType<typeof snapDraggedElements>["snapLines"],
) => {
return snapLines
.filter((snapLine) => snapLine.type === "points")
.filter((snapLine) => {
const [firstPoint, lastPoint] = snapLine.points;
return firstPoint[0] === lastPoint[0];
})
.map((snapLine) => {
return snapLine.points[0][0];
})
.sort((a, b) => a - b);
};
const getHorizontalPointSnapLineMaxX = (
snapLines: ReturnType<typeof snapDraggedElements>["snapLines"],
) => {
const horizontalSnapLine = snapLines
.filter((snapLine) => snapLine.type === "points")
.find((snapLine) => {
const [firstPoint, lastPoint] = snapLine.points;
return firstPoint[1] === lastPoint[1];
});
if (!horizontalSnapLine) {
return null;
}
return horizontalSnapLine.points[horizontalSnapLine.points.length - 1][0];
};
const getHorizontalPointSnapLineXRange = (
snapLines: ReturnType<typeof snapDraggedElements>["snapLines"],
) => {
const horizontalSnapLine = snapLines
.filter((snapLine) => snapLine.type === "points")
.find((snapLine) => {
const [firstPoint, lastPoint] = snapLine.points;
return firstPoint[1] === lastPoint[1];
});
if (!horizontalSnapLine) {
return null;
}
return [
horizontalSnapLine.points[0][0],
horizontalSnapLine.points[horizontalSnapLine.points.length - 1][0],
] as const;
};
const getHorizontalGapSnapLines = (
snapLines: ReturnType<typeof snapDraggedElements>["snapLines"],
) => {
return snapLines.filter(
(snapLine) =>
snapLine.type === "gap" && snapLine.direction === "horizontal",
);
};
const getVerticalGapSnapLines = (
snapLines: ReturnType<typeof snapDraggedElements>["snapLines"],
) => {
return snapLines.filter(
(snapLine) => snapLine.type === "gap" && snapLine.direction === "vertical",
);
};
const getPointKeys = (points: ReturnType<typeof getElementsCorners>) => {
return points.map((point) => point.join(","));
};
const getReferenceSnapPointKeys = (
elements: ExcalidrawElement[],
selectedElements: ExcalidrawElement[],
app: AppClassProperties,
) => {
return new Set(
getReferenceSnapPoints(
elements,
selectedElements,
app.state,
arrayToMap(elements),
).map((snapPoint) => snapPoint.point.join(",")),
);
};
const primeReferenceSnapPoints = (
elements: ExcalidrawElement[],
selectedElements: ExcalidrawElement[],
) => {
const selectedElementIds = new Set(
selectedElements.map((element) => element.id),
);
const elementsMap = arrayToMap(elements);
SnapCache.setReferenceSnapPoints(
elements
.filter((element) => !selectedElementIds.has(element.id))
.flatMap((element) => {
const corners = getElementsCorners([element], elementsMap);
return corners.map((point, index) => ({
point,
type: index === corners.length - 1 ? "center" : "outer",
snapSourceId: element.id,
}));
}) as Parameters<typeof SnapCache.setReferenceSnapPoints>[0],
);
};
describe("snapping", () => {
afterEach(() => {
SnapCache.destroy();
});
it("does not use frame children as references when snapping outside elements", () => {
const frame = API.createElement({
type: "frame",
id: "frame",
x: 0,
y: 0,
width: 300,
height: 300,
});
const frameChild = API.createElement({
type: "rectangle",
id: "frameChild",
x: 37,
y: 53,
width: 71,
height: 83,
frameId: frame.id,
});
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 400,
y: 50,
width: 100,
height: 100,
});
const elements = [frame, frameChild, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
const referenceSnapPointKeys = getReferenceSnapPointKeys(
elements,
[selected],
app,
);
const frameChildPointKeys = getPointKeys(
getElementsCorners([frameChild], arrayToMap(elements)),
);
expect(
frameChildPointKeys.some((pointKey) =>
referenceSnapPointKeys.has(pointKey),
),
).toBe(false);
});
it("uses frame siblings as references when snapping elements in the same frame", () => {
const frame = API.createElement({
type: "frame",
id: "frame",
x: 0,
y: 0,
width: 300,
height: 300,
});
const sibling = API.createElement({
type: "rectangle",
id: "sibling",
x: 37,
y: 53,
width: 71,
height: 83,
frameId: frame.id,
});
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 150,
y: 50,
width: 100,
height: 100,
frameId: frame.id,
});
const elements = [frame, sibling, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
const referenceSnapPointKeys = getReferenceSnapPointKeys(
elements,
[selected],
app,
);
const siblingPointKeys = getPointKeys(
getElementsCorners([sibling], arrayToMap(elements)),
);
expect(
siblingPointKeys.some((pointKey) => referenceSnapPointKeys.has(pointKey)),
).toBe(true);
});
it("does not use frame children as references when snapping the frame itself", () => {
const frame = API.createElement({
type: "frame",
id: "frame",
x: 0,
y: 0,
width: 300,
height: 300,
});
const frameChild = API.createElement({
type: "rectangle",
id: "frameChild",
x: 37,
y: 53,
width: 71,
height: 83,
frameId: frame.id,
});
const elements = [frame, frameChild];
const app = createSnappingApp({
selectedElementIds: { [frame.id]: true },
});
const referenceSnapPointKeys = getReferenceSnapPointKeys(
elements,
[frame],
app,
);
const frameChildPointKeys = getPointKeys(
getElementsCorners([frameChild], arrayToMap(elements)),
);
expect(
frameChildPointKeys.some((pointKey) =>
referenceSnapPointKeys.has(pointKey),
),
).toBe(false);
});
it("does not use frame children as visible gap references when snapping outside elements", () => {
const frame = API.createElement({
type: "frame",
id: "frame",
x: 0,
y: 0,
width: 500,
height: 300,
});
const frameChildA = API.createElement({
type: "rectangle",
id: "frameChildA",
x: 50,
y: 50,
width: 100,
height: 100,
frameId: frame.id,
});
const frameChildB = API.createElement({
type: "rectangle",
id: "frameChildB",
x: 250,
y: 50,
width: 100,
height: 100,
frameId: frame.id,
});
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 700,
y: 50,
width: 100,
height: 100,
});
const elements = [frame, frameChildA, frameChildB, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
const visibleGaps = getVisibleGaps(
elements,
[selected],
app.state,
arrayToMap(elements),
);
expect(visibleGaps.horizontalGaps).toHaveLength(0);
expect(visibleGaps.verticalGaps).toHaveLength(0);
});
it("filters center and inner outer point snaplines for the same reference", () => {
const angle = 0.68 as Radians;
const reference = API.createElement({
type: "rectangle",
id: "reference",
x: 0,
y: 0,
width: 140,
height: 140,
angle,
});
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 200,
y: 0,
width: 140,
height: 140,
angle,
});
const elements = [reference, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
primeReferenceSnapPoints(elements, [selected]);
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(getHorizontalPointSnapLineCoordinates(snapLines)).toHaveLength(2);
});
it("keeps a snapline that is redundant for one reference but needed for another", () => {
const angle = 0.68 as Radians;
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 200,
y: 0,
width: 140,
height: 140,
angle,
});
const elements = [selected];
const elementsMap = arrayToMap(elements);
const selectedSnapPoints = getElementsCorners([selected], elementsMap);
const outerSnapPoints = selectedSnapPoints.slice(0, -1);
const centerSnapPoint = selectedSnapPoints[selectedSnapPoints.length - 1];
const innerOuterSnapPoint = [...outerSnapPoints].sort(
(a, b) => a[1] - b[1],
)[1];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
const referenceSnapPoints: ReferenceSnapPoints = [
...outerSnapPoints.map((point) => ({
point: pointFrom<GlobalPoint>(point[0] - 200, point[1]),
type: "outer" as const,
snapSourceId: "referenceA",
})),
{
point: pointFrom<GlobalPoint>(
centerSnapPoint[0] - 200,
centerSnapPoint[1],
),
type: "center" as const,
snapSourceId: "referenceA",
},
{
point: pointFrom<GlobalPoint>(
innerOuterSnapPoint[0] - 300,
innerOuterSnapPoint[1],
),
type: "outer" as const,
snapSourceId: "referenceB",
},
];
SnapCache.setReferenceSnapPoints(referenceSnapPoints);
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
elementsMap,
);
expect(getHorizontalPointSnapLineCoordinates(snapLines)).toHaveLength(3);
});
it("keeps a center snapline when no outer snaplines imply it", () => {
const reference = API.createElement({
type: "rectangle",
id: "reference",
x: 0,
y: 0,
width: 100,
height: 100,
});
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 200,
y: 25,
width: 50,
height: 50,
});
const elements = [reference, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
primeReferenceSnapPoints(elements, [selected]);
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(getHorizontalPointSnapLineCoordinates(snapLines)).toEqual([50]);
});
it("filters center snaplines when matching outer offsets differ by rounding precision", () => {
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 2532.227563984471,
y: -1553.9657067952232,
width: 140.1015625,
height: 140.1015625,
});
const reference = API.createElement({
type: "rectangle",
id: "reference",
x: 2532.2275640966914,
y: -1299.4323092037737,
width: 140.1015625,
height: 140.1015625,
});
const elements = [reference, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
primeReferenceSnapPoints(elements, [selected]);
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(getVerticalPointSnapLineCoordinates(snapLines)).toEqual([
2532.227564, 2672.329126,
]);
});
it("keeps outer snaplines stable while dragging a snapped element through rounding-equivalent offsets", () => {
const referenceMiddle = API.createElement({
type: "rectangle",
id: "referenceMiddle",
x: 2532.22756398447,
y: -1553.9657067952237,
width: 140.1015625,
height: 140.1015625,
});
const referenceAbove = API.createElement({
type: "rectangle",
id: "referenceAbove",
x: 2532.2275637826165,
y: -1779.7363232531268,
width: 140.1015625,
height: 140.1015625,
});
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 2532.227563096691,
y: -1328.1950902037736,
width: 140.1015625,
height: 140.1015625,
});
const elements = [referenceAbove, referenceMiddle, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
primeReferenceSnapPoints(elements, [selected]);
for (const dragOffsetX of [-4, -1, -0.1, 0, 0.1, 1, 4]) {
const { snapLines } = snapDraggedElements(
elements,
{ x: dragOffsetX, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
const coordinates = getVerticalPointSnapLineCoordinates(snapLines);
expect(coordinates).toHaveLength(2);
expect(coordinates[1] - coordinates[0]).toBeCloseTo(selected.width, 5);
}
});
it("keeps same-offset point snaps even across distant references", () => {
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 0,
y: 0,
width: 100,
height: 100,
});
const elements = [selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
SnapCache.setReferenceSnapPoints([
{
point: pointFrom<GlobalPoint>(220, 50),
type: "center",
snapSourceId: "near",
},
{
point: pointFrom<GlobalPoint>(900, 50),
type: "center",
snapSourceId: "far",
},
]);
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(getHorizontalPointSnapLineMaxX(snapLines)).toBe(900);
});
it("prefers a nearby point snap over a slightly better far offset", () => {
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 0,
y: 0,
width: 100,
height: 100,
});
const elements = [selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
SnapCache.setReferenceSnapPoints([
{
point: pointFrom<GlobalPoint>(220, 54),
type: "center",
snapSourceId: "near",
},
{
point: pointFrom<GlobalPoint>(900, 50),
type: "center",
snapSourceId: "far",
},
]);
const { snapOffset, snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(snapOffset.y).toBe(4);
expect(getHorizontalPointSnapLineMaxX(snapLines)).toBe(220);
});
it("keeps same-offset point snaps when references form a continuous cluster", () => {
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 0,
y: 0,
width: 100,
height: 100,
});
const elements = [selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
SnapCache.setReferenceSnapPoints([
{
point: pointFrom<GlobalPoint>(200, 50),
type: "center",
snapSourceId: "referenceA",
},
{
point: pointFrom<GlobalPoint>(350, 50),
type: "center",
snapSourceId: "referenceB",
},
{
point: pointFrom<GlobalPoint>(500, 50),
type: "center",
snapSourceId: "referenceC",
},
]);
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(getHorizontalPointSnapLineMaxX(snapLines)).toBe(500);
});
it("keeps same-source same-offset point snaps across zoom-scaled cluster breaks", () => {
const reference = API.createElement({
type: "rectangle",
id: "reference",
x: 0,
y: 0,
width: 140.1015625,
height: 140.1015625,
});
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 338.608871112217,
y: 0,
width: 140.1015625,
height: 140.1015625,
});
const elements = [reference, selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
zoom: { value: 1.5 as NormalizedZoomValue },
});
primeReferenceSnapPoints(elements, [selected]);
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
const range = getHorizontalPointSnapLineXRange(snapLines);
expect(range).not.toBe(null);
expect(range![0]).toBeCloseTo(reference.x, 6);
expect(range![1]).toBeCloseTo(selected.x + selected.width, 6);
});
it("renders gap snaplines when rounded bounds touch the reference gap overlap", () => {
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 0,
y: 0.0000004,
width: 100,
height: 100,
});
const elements = [selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
SnapCache.setVisibleGaps({
horizontalGaps: [
{
startBounds: [200, -100, 300, 0],
endBounds: [400, -100, 500, 0],
startSide: [pointFrom(300, -100), pointFrom(300, 0)],
endSide: [pointFrom(400, -100), pointFrom(400, 0)],
overlap: rangeInclusive(-100, 0),
length: 100,
},
],
verticalGaps: [],
});
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(getHorizontalGapSnapLines(snapLines)).toHaveLength(2);
});
it("renders gap snaplines when the winning gap offset only differs by rounding precision", () => {
const selected = API.createElement({
type: "rectangle",
id: "selected",
x: 0,
y: 399.999999,
width: 100,
height: 100,
});
const elements = [selected];
const app = createSnappingApp({
selectedElementIds: { [selected.id]: true },
});
SnapCache.setReferenceSnapPoints([
{
point: pointFrom<GlobalPoint>(0, 399.999999),
type: "outer",
snapSourceId: "reference",
},
]);
SnapCache.setVisibleGaps({
horizontalGaps: [],
verticalGaps: [
{
startBounds: [0, 100, 100, 200],
endBounds: [0, 250, 100, 350],
startSide: [pointFrom(0, 200), pointFrom(100, 200)],
endSide: [pointFrom(0, 250), pointFrom(100, 250)],
overlap: rangeInclusive(0, 100),
length: 50,
},
],
});
const { snapLines } = snapDraggedElements(
elements,
{ x: 0, y: 0 },
app,
NO_MODIFIER_KEYS,
arrayToMap(elements),
);
expect(getVerticalGapSnapLines(snapLines)).toHaveLength(2);
});
});
+8 -18
View File
@@ -33,6 +33,7 @@ import type {
ExcalidrawNonSelectionElement,
BindMode,
ExcalidrawTextElement,
FreeDrawStrokeShape,
} from "@excalidraw/element/types";
import type {
@@ -315,10 +316,7 @@ export interface AppState {
bindingPreference: "enabled" | "disabled";
/** user preference whether arrow snap to midpoints while binding */
isMidpointSnappingEnabled: boolean;
/**
* The bindable element the UI highlights for the user when an arrow is
* dragged or otherwise its endpoint being close to said element.
*/
startBoundElement: NonDeleted<ExcalidrawBindableElement> | null;
suggestedBinding: {
element: NonDeleted<ExcalidrawBindableElement>;
midPoint?: GlobalPoint;
@@ -350,11 +348,8 @@ export interface AppState {
type: "selection" | "lasso";
initialized: boolean;
};
// Pen handling
penMode: boolean;
penDetected: boolean;
exportBackground: boolean;
exportEmbedScene: boolean;
exportWithDarkMode: boolean;
@@ -364,6 +359,7 @@ export interface AppState {
currentItemFillStyle: ExcalidrawElement["fillStyle"];
currentItemStrokeWidth: number;
currentItemStrokeStyle: ExcalidrawElement["strokeStyle"];
currentItemStrokeShape?: FreeDrawStrokeShape;
currentItemRoughness: number;
currentItemOpacity: number;
currentItemFontFamily: FontFamilyValues;
@@ -478,9 +474,6 @@ export interface AppState {
// as elements are unlocked, we remove the groupId from the elements
// and also remove groupId from this map
lockedMultiSelections: { [groupId: string]: true };
// Stores the current bind mode which is detemined at various points during
// a drag operation (like pointer position vs bindable element) but needed
// globally for calculating the binding strategy
bindMode: BindMode;
}
@@ -496,7 +489,10 @@ export type SearchMatch = {
}[];
};
export type UIAppState = Omit<AppState, "cursorButton" | "scrollX" | "scrollY">;
export type UIAppState = Omit<
AppState,
"startBoundElement" | "cursorButton" | "scrollX" | "scrollY"
>;
export type NormalizedZoomValue = number & { _brand: "normalizedZoom" };
@@ -876,13 +872,8 @@ export type PointerDownState = Readonly<{
// Whether selected element(s) were duplicated, might change during the
// pointer interaction
hasBeenDuplicated: boolean;
// Whether the pointer is hitting the common bounding box of selected
// elements, which is useful for discriminating between selecitng
// the entire selection vs a specific element
hasHitCommonBoundingBoxOfSelectedElements: boolean;
};
// This is determined on the initial pointer down event to
// set various interaction modalities
withCmdOrCtrl: boolean;
drag: {
// Might change during the pointer interaction
@@ -899,7 +890,7 @@ export type PointerDownState = Readonly<{
// We need to have these in the state so that we can unsubscribe them
eventListeners: {
// It's defined on the initial pointer down event
onMove: null | ReturnType<typeof throttleRAF>;
onMove: null | ((event: PointerEvent) => void);
// It's defined on the initial pointer down event
onUp: null | ((event: PointerEvent) => void);
// It's defined on the initial pointer down event
@@ -908,7 +899,6 @@ export type PointerDownState = Readonly<{
onKeyUp: null | ((event: KeyboardEvent) => void);
};
boxSelection: {
// If the box selection tool is activated on pointer down
hasOccurred: boolean;
};
}>;
+2
View File
@@ -1,3 +1,5 @@
export const PRECISION = 10e-5;
// Legendre-Gauss abscissae (x values) and weights for n=24
// Refeerence: https://pomax.github.io/bezierinfo/legendre-gauss.html
export const LegendreGaussN24TValues = [
@@ -98,6 +98,7 @@ exports[`exportToSvg > with default arguments 1`] = `
"showHyperlinkPopup": false,
"showWelcomeScreen": false,
"snapLines": [],
"startBoundElement": null,
"stats": {
"open": false,
"panels": 3,