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success/packages/excalidraw/tests/resize.test.tsx

1133 lines
34 KiB
TypeScript

import ReactDOM from "react-dom";
import { render } from "./test-utils";
import { reseed } from "../random";
import { UI, Keyboard, Pointer } from "./helpers/ui";
import type {
ExcalidrawFreeDrawElement,
ExcalidrawLinearElement,
} from "../element/types";
import type { Point } from "../types";
import type { Bounds } from "../element/bounds";
import { getElementPointsCoords } from "../element/bounds";
import { Excalidraw } from "../index";
import { API } from "./helpers/api";
import { KEYS } from "../keys";
import { isLinearElement } from "../element/typeChecks";
import { LinearElementEditor } from "../element/linearElementEditor";
import { arrayToMap } from "../utils";
ReactDOM.unmountComponentAtNode(document.getElementById("root")!);
const { h } = window;
const mouse = new Pointer("mouse");
const getBoundsFromPoints = (
element: ExcalidrawLinearElement | ExcalidrawFreeDrawElement,
): Bounds => {
if (isLinearElement(element)) {
return getElementPointsCoords(element, element.points);
}
const { x, y, points } = element;
const pointsX = points.map(([x]) => x);
const pointsY = points.map(([, y]) => y);
return [
Math.min(...pointsX) + x,
Math.min(...pointsY) + y,
Math.max(...pointsX) + x,
Math.max(...pointsY) + y,
];
};
beforeEach(async () => {
localStorage.clear();
reseed(7);
mouse.reset();
await render(<Excalidraw handleKeyboardGlobally={true} />);
h.state.width = 1000;
h.state.height = 1000;
// The bounds of hand-drawn linear elements may change after flipping, so
// removing this style for testing
UI.clickTool("arrow");
UI.clickByTitle("Architect");
UI.clickTool("selection");
});
describe("generic element", () => {
// = rectangle/diamond/ellipse
describe("resizes", () => {
it.each`
handle | move | size | xy
${"n"} | ${[10, -27]} | ${[200, 127]} | ${[0, -27]}
${"e"} | ${[67, -45]} | ${[267, 100]} | ${[0, 0]}
${"s"} | ${[-50, -39]} | ${[200, 61]} | ${[0, 0]}
${"w"} | ${[20, 90]} | ${[180, 100]} | ${[20, 0]}
${"ne"} | ${[5, -33]} | ${[205, 133]} | ${[0, -33]}
${"se"} | ${[-30, -81]} | ${[170, 19]} | ${[0, 0]}
${"sw"} | ${[37, 25]} | ${[163, 125]} | ${[37, 0]}
${"nw"} | ${[-34, 42]} | ${[234, 58]} | ${[-34, 42]}
`(
"with handle $handle",
async ({ handle, move, size: [width, height], xy: [x, y] }) => {
const rectangle = UI.createElement("rectangle", {
width: 200,
height: 100,
});
UI.resize(rectangle, handle, move);
expect(rectangle.x).toBeCloseTo(x);
expect(rectangle.y).toBeCloseTo(y);
expect(rectangle.width).toBeCloseTo(width);
expect(rectangle.height).toBeCloseTo(height);
expect(rectangle.angle).toBeCloseTo(0);
},
);
});
describe("flips while resizing", () => {
it.each`
handle | move | size | xy
${"n"} | ${[15, 139]} | ${[200, 39]} | ${[0, 100]}
${"e"} | ${[-245, 67]} | ${[45, 100]} | ${[-45, 0]}
${"s"} | ${[-26, -210]} | ${[200, 110]} | ${[0, -110]}
${"w"} | ${[241, 0]} | ${[41, 100]} | ${[200, 0]}
${"ne"} | ${[-250, 125]} | ${[50, 25]} | ${[-50, 100]}
${"se"} | ${[-283, -58]} | ${[83, 42]} | ${[-83, 0]}
${"sw"} | ${[40, -123]} | ${[160, 23]} | ${[40, -23]}
${"nw"} | ${[270, 133]} | ${[70, 33]} | ${[200, 100]}
`(
"with handle $handle",
async ({ handle, move, size: [width, height], xy: [x, y] }) => {
const rectangle = UI.createElement("rectangle", {
width: 200,
height: 100,
});
UI.resize(rectangle, handle, move);
expect(rectangle.x).toBeCloseTo(x);
expect(rectangle.y).toBeCloseTo(y);
expect(rectangle.width).toBeCloseTo(width);
expect(rectangle.height).toBeCloseTo(height);
expect(rectangle.angle).toBeCloseTo(0);
},
);
});
it("resizes with locked aspect ratio", async () => {
const rectangle = UI.createElement("rectangle", {
width: 200,
height: 100,
});
UI.resize(rectangle, "se", [100, 10], { shift: true });
expect(rectangle.x).toBeCloseTo(0);
expect(rectangle.y).toBeCloseTo(0);
expect(rectangle.width).toBeCloseTo(300);
expect(rectangle.height).toBeCloseTo(150);
expect(rectangle.angle).toBeCloseTo(0);
UI.resize(rectangle, "n", [30, 50], { shift: true });
expect(rectangle.x).toBeCloseTo(50);
expect(rectangle.y).toBeCloseTo(50);
expect(rectangle.width).toBeCloseTo(200);
expect(rectangle.height).toBeCloseTo(100);
expect(rectangle.angle).toBeCloseTo(0);
});
it("resizes from center", async () => {
const rectangle = UI.createElement("rectangle", {
width: 200,
height: 100,
});
UI.resize(rectangle, "nw", [20, 10], { alt: true });
expect(rectangle.x).toBeCloseTo(20);
expect(rectangle.y).toBeCloseTo(10);
expect(rectangle.width).toBeCloseTo(160);
expect(rectangle.height).toBeCloseTo(80);
expect(rectangle.angle).toBeCloseTo(0);
UI.resize(rectangle, "e", [15, 43], { alt: true });
expect(rectangle.x).toBeCloseTo(5);
expect(rectangle.y).toBeCloseTo(10);
expect(rectangle.width).toBeCloseTo(190);
expect(rectangle.height).toBeCloseTo(80);
expect(rectangle.angle).toBeCloseTo(0);
});
it("resizes with bound arrow", async () => {
const rectangle = UI.createElement("rectangle", {
width: 200,
height: 100,
});
const arrow = UI.createElement("arrow", {
x: -30,
y: 50,
width: 28,
height: 5,
});
expect(arrow.endBinding?.elementId).toEqual(rectangle.id);
UI.resize(rectangle, "e", [40, 0]);
expect(arrow.width + arrow.endBinding!.gap).toBeCloseTo(30);
UI.resize(rectangle, "w", [50, 0]);
expect(arrow.endBinding?.elementId).toEqual(rectangle.id);
expect(arrow.width + arrow.endBinding!.gap).toBeCloseTo(80);
});
it("resizes with a label", async () => {
const rectangle = UI.createElement("rectangle", {
width: 200,
height: 100,
});
const label = await UI.editText(rectangle, "Hello world");
UI.resize(rectangle, "se", [50, 50]);
expect(label.x + label.width / 2).toBeCloseTo(
rectangle.x + rectangle.width / 2,
);
expect(label.y + label.height / 2).toBeCloseTo(
rectangle.y + rectangle.height / 2,
);
expect(label.angle).toBeCloseTo(rectangle.angle);
expect(label.fontSize).toEqual(20);
UI.resize(rectangle, "w", [190, 0]);
expect(label.x + label.width / 2).toBeCloseTo(
rectangle.x + rectangle.width / 2,
);
expect(label.y + label.height / 2).toBeCloseTo(
rectangle.y + rectangle.height / 2,
);
expect(label.angle).toBeCloseTo(rectangle.angle);
expect(label.fontSize).toEqual(20);
});
});
describe.each(["line", "freedraw"] as const)("%s element", (type) => {
const points: Record<typeof type, Point[]> = {
line: [
[0, 0],
[60, -20],
[20, 40],
[-40, 0],
],
freedraw: [
[0, 0],
[-2.474600807561444, 41.021700699972],
[3.6627956000014024, 47.84174560617245],
[40.495224145598115, 47.15909710753482],
],
};
it("resizes", async () => {
const element = UI.createElement(type, { points: points[type] });
const bounds = getBoundsFromPoints(element);
UI.resize(element, "ne", [30, -60]);
const newBounds = getBoundsFromPoints(element);
expect(newBounds[0]).toBeCloseTo(bounds[0]);
expect(newBounds[1]).toBeCloseTo(bounds[1] - 60);
expect(newBounds[2]).toBeCloseTo(bounds[2] + 30);
expect(newBounds[3]).toBeCloseTo(bounds[3]);
expect(element.angle).toBeCloseTo(0);
});
it("flips while resizing", async () => {
const element = UI.createElement(type, { points: points[type] });
const bounds = getBoundsFromPoints(element);
UI.resize(element, "sw", [140, -80]);
const newBounds = getBoundsFromPoints(element);
expect(newBounds[0]).toBeCloseTo(bounds[2]);
expect(newBounds[1]).toBeCloseTo(bounds[3] - 80);
expect(newBounds[2]).toBeCloseTo(bounds[0] + 140);
expect(newBounds[3]).toBeCloseTo(bounds[1]);
expect(element.angle).toBeCloseTo(0);
});
it("resizes with locked aspect ratio", async () => {
const element = UI.createElement(type, { points: points[type] });
const bounds = getBoundsFromPoints(element);
UI.resize(element, "ne", [30, -60], { shift: true });
const newBounds = getBoundsFromPoints(element);
const scale = 1 + 60 / (bounds[3] - bounds[1]);
expect(newBounds[0]).toBeCloseTo(bounds[0]);
expect(newBounds[1]).toBeCloseTo(bounds[1] - 60);
expect(newBounds[2]).toBeCloseTo(
bounds[0] + (bounds[2] - bounds[0]) * scale,
);
expect(newBounds[3]).toBeCloseTo(bounds[3]);
expect(element.angle).toBeCloseTo(0);
});
it("resizes from center", async () => {
const element = UI.createElement(type, { points: points[type] });
const bounds = getBoundsFromPoints(element);
UI.resize(element, "nw", [-20, -30], { alt: true });
const newBounds = getBoundsFromPoints(element);
expect(newBounds[0]).toBeCloseTo(bounds[0] - 20);
expect(newBounds[1]).toBeCloseTo(bounds[1] - 30);
expect(newBounds[2]).toBeCloseTo(bounds[2] + 20);
expect(newBounds[3]).toBeCloseTo(bounds[3] + 30);
expect(element.angle).toBeCloseTo(0);
});
});
describe("arrow element", () => {
it("resizes with a label", async () => {
const arrow = UI.createElement("arrow", {
points: [
[0, 0],
[40, 140],
[80, 60], // label's anchor
[180, 20],
[200, 120],
],
});
const label = await UI.editText(arrow, "Hello");
const elementsMap = arrayToMap(h.elements);
UI.resize(arrow, "se", [50, 30]);
let labelPos = LinearElementEditor.getBoundTextElementPosition(
arrow,
label,
elementsMap,
);
expect(labelPos.x + label.width / 2).toBeCloseTo(
arrow.x + arrow.points[2][0],
);
expect(labelPos.y + label.height / 2).toBeCloseTo(
arrow.y + arrow.points[2][1],
);
expect(label.angle).toBeCloseTo(0);
expect(label.fontSize).toEqual(20);
UI.resize(arrow, "w", [20, 0]);
labelPos = LinearElementEditor.getBoundTextElementPosition(
arrow,
label,
elementsMap,
);
expect(labelPos.x + label.width / 2).toBeCloseTo(
arrow.x + arrow.points[2][0],
);
expect(labelPos.y + label.height / 2).toBeCloseTo(
arrow.y + arrow.points[2][1],
);
expect(label.angle).toBeCloseTo(0);
expect(label.fontSize).toEqual(20);
});
});
describe("text element", () => {
it("resizes", async () => {
const text = UI.createElement("text");
await UI.editText(text, "hello\nworld");
const { width, height, fontSize } = text;
const scale = 40 / height + 1;
UI.resize(text, "se", [30, 40]);
expect(text.x).toBeCloseTo(0);
expect(text.y).toBeCloseTo(0);
expect(text.width).toBeCloseTo(width * scale);
expect(text.height).toBeCloseTo(height * scale);
expect(text.angle).toBeCloseTo(0);
expect(text.fontSize).toBeCloseTo(fontSize * scale);
});
// TODO enable this test after adding single text element flipping
it.skip("flips while resizing", async () => {
const text = UI.createElement("text");
await UI.editText(text, "hello\nworld");
const { width, height, fontSize } = text;
const scale = 100 / width - 1;
UI.resize(text, "nw", [100, 80]);
expect(text.x).toBeCloseTo(width);
expect(text.y).toBeCloseTo(height);
expect(text.width).toBeCloseTo(width * scale);
expect(text.height).toBeCloseTo(height * scale);
expect(text.angle).toBeCloseTo(0);
expect(text.fontSize).toBeCloseTo(fontSize * scale);
});
// TODO enable this test after fixing text resizing from center
it.skip("resizes from center", async () => {
const text = UI.createElement("text");
await UI.editText(text, "hello\nworld");
const { x, y, width, height, fontSize } = text;
const scale = 80 / height + 1;
UI.resize(text, "nw", [-25, -40], { alt: true });
expect(text.x).toBeCloseTo(x - ((scale - 1) * width) / 2);
expect(text.y).toBeCloseTo(y - 40);
expect(text.width).toBeCloseTo(width * scale);
expect(text.height).toBeCloseTo(height * scale);
expect(text.angle).toBeCloseTo(0);
expect(text.fontSize).toBeCloseTo(fontSize * scale);
});
it("resizes with bound arrow", async () => {
const text = UI.createElement("text");
await UI.editText(text, "hello\nworld");
const boundArrow = UI.createElement("arrow", {
x: -30,
y: 25,
width: 28,
height: 5,
});
expect(boundArrow.endBinding?.elementId).toEqual(text.id);
UI.resize(text, "ne", [40, 0]);
expect(boundArrow.width + boundArrow.endBinding!.gap).toBeCloseTo(30);
const textWidth = text.width;
const scale = 20 / text.height;
UI.resize(text, "nw", [50, 20]);
expect(boundArrow.endBinding?.elementId).toEqual(text.id);
expect(boundArrow.width + boundArrow.endBinding!.gap).toBeCloseTo(
30 + textWidth * scale,
);
});
it("updates font size via keyboard", async () => {
const text = UI.createElement("text");
await UI.editText(text, "abc");
const { fontSize } = text;
mouse.select(text);
Keyboard.withModifierKeys({ shift: true, ctrl: true }, () => {
Keyboard.keyDown(KEYS.CHEVRON_RIGHT);
expect(text.fontSize).toBe(fontSize * 1.1);
Keyboard.keyDown(KEYS.CHEVRON_LEFT);
expect(text.fontSize).toBe(fontSize);
});
});
// text can be resized from sides
it("can be resized from e", async () => {
const text = UI.createElement("text");
await UI.editText(text, "Excalidraw\nEditor");
const width = text.width;
const height = text.height;
UI.resize(text, "e", [30, 0]);
expect(text.width).toBe(width + 30);
expect(text.height).toBe(height);
UI.resize(text, "e", [-30, 0]);
expect(text.width).toBe(width);
expect(text.height).toBe(height);
});
it("can be resized from w", async () => {
const text = UI.createElement("text");
await UI.editText(text, "Excalidraw\nEditor");
const width = text.width;
const height = text.height;
UI.resize(text, "w", [-50, 0]);
expect(text.width).toBe(width + 50);
expect(text.height).toBe(height);
UI.resize(text, "w", [50, 0]);
expect(text.width).toBe(width);
expect(text.height).toBe(height);
});
it("wraps when width is narrower than texts inside", async () => {
const text = UI.createElement("text");
await UI.editText(text, "Excalidraw\nEditor");
const prevWidth = text.width;
const prevHeight = text.height;
const prevText = text.text;
UI.resize(text, "w", [50, 0]);
expect(text.width).toBe(prevWidth - 50);
expect(text.height).toBeGreaterThan(prevHeight);
expect(text.text).not.toEqual(prevText);
expect(text.autoResize).toBe(false);
UI.resize(text, "w", [-50, 0]);
expect(text.width).toBe(prevWidth);
expect(text.height).toEqual(prevHeight);
expect(text.text).toEqual(prevText);
expect(text.autoResize).toBe(false);
UI.resize(text, "e", [-20, 0]);
expect(text.width).toBe(prevWidth - 20);
expect(text.height).toBeGreaterThan(prevHeight);
expect(text.text).not.toEqual(prevText);
expect(text.autoResize).toBe(false);
UI.resize(text, "e", [20, 0]);
expect(text.width).toBe(prevWidth);
expect(text.height).toEqual(prevHeight);
expect(text.text).toEqual(prevText);
expect(text.autoResize).toBe(false);
});
it("keeps properties when wrapped", async () => {
const text = UI.createElement("text");
await UI.editText(text, "Excalidraw\nEditor");
const alignment = text.textAlign;
const fontSize = text.fontSize;
const fontFamily = text.fontFamily;
UI.resize(text, "e", [-60, 0]);
expect(text.textAlign).toBe(alignment);
expect(text.fontSize).toBe(fontSize);
expect(text.fontFamily).toBe(fontFamily);
expect(text.autoResize).toBe(false);
UI.resize(text, "e", [60, 0]);
expect(text.textAlign).toBe(alignment);
expect(text.fontSize).toBe(fontSize);
expect(text.fontFamily).toBe(fontFamily);
expect(text.autoResize).toBe(false);
});
it("has a minimum width when wrapped", async () => {
const text = UI.createElement("text");
await UI.editText(text, "Excalidraw\nEditor");
const width = text.width;
UI.resize(text, "e", [-width, 0]);
expect(text.width).not.toEqual(0);
UI.resize(text, "e", [width - text.width, 0]);
expect(text.width).toEqual(width);
expect(text.autoResize).toBe(false);
UI.resize(text, "w", [width, 0]);
expect(text.width).not.toEqual(0);
UI.resize(text, "w", [text.width - width, 0]);
expect(text.width).toEqual(width);
expect(text.autoResize).toBe(false);
});
});
describe("image element", () => {
it("resizes", async () => {
const image = API.createElement({ type: "image", width: 100, height: 100 });
h.elements = [image];
UI.resize(image, "ne", [-20, -30]);
expect(image.x).toBeCloseTo(0);
expect(image.y).toBeCloseTo(-30);
expect(image.width).toBeCloseTo(130);
expect(image.height).toBeCloseTo(130);
expect(image.angle).toBeCloseTo(0);
expect(image.scale).toEqual([1, 1]);
});
it("flips while resizing", async () => {
const image = API.createElement({ type: "image", width: 100, height: 100 });
h.elements = [image];
UI.resize(image, "sw", [150, -150]);
expect(image.x).toBeCloseTo(100);
expect(image.y).toBeCloseTo(-50);
expect(image.width).toBeCloseTo(50);
expect(image.height).toBeCloseTo(50);
expect(image.angle).toBeCloseTo(0);
expect(image.scale).toEqual([-1, -1]);
});
it("resizes with locked/unlocked aspect ratio", async () => {
const image = API.createElement({ type: "image", width: 100, height: 100 });
h.elements = [image];
UI.resize(image, "ne", [30, -20]);
expect(image.x).toBeCloseTo(0);
expect(image.y).toBeCloseTo(-30);
expect(image.width).toBeCloseTo(130);
expect(image.height).toBeCloseTo(130);
UI.resize(image, "ne", [-30, 50], { shift: true });
expect(image.x).toBeCloseTo(0);
expect(image.y).toBeCloseTo(20);
expect(image.width).toBeCloseTo(100);
expect(image.height).toBeCloseTo(80);
});
it("resizes from center", async () => {
const image = API.createElement({ type: "image", width: 100, height: 100 });
h.elements = [image];
UI.resize(image, "nw", [25, 15], { alt: true });
expect(image.x).toBeCloseTo(15);
expect(image.y).toBeCloseTo(15);
expect(image.width).toBeCloseTo(70);
expect(image.height).toBeCloseTo(70);
expect(image.angle).toBeCloseTo(0);
expect(image.scale).toEqual([1, 1]);
});
it("resizes with bound arrow", async () => {
const image = API.createElement({
type: "image",
width: 100,
height: 100,
});
h.elements = [image];
const arrow = UI.createElement("arrow", {
x: -30,
y: 50,
width: 28,
height: 5,
});
expect(arrow.endBinding?.elementId).toEqual(image.id);
UI.resize(image, "ne", [40, 0]);
expect(arrow.width + arrow.endBinding!.gap).toBeCloseTo(30);
const imageWidth = image.width;
const scale = 20 / image.height;
UI.resize(image, "nw", [50, 20]);
expect(arrow.endBinding?.elementId).toEqual(image.id);
expect(arrow.width + arrow.endBinding!.gap).toBeCloseTo(
30 + imageWidth * scale,
);
});
});
describe("multiple selection", () => {
it("resizes with generic elements", async () => {
const rectangle = UI.createElement("rectangle", {
position: 0,
width: 100,
height: 80,
});
const rectLabel = await UI.editText(rectangle, "hello\nworld");
const diamond = UI.createElement("diamond", {
x: 140,
y: 40,
size: 80,
});
const ellipse = UI.createElement("ellipse", {
x: 40,
y: 100,
width: 80,
height: 60,
});
const selectionWidth = 220;
const selectionHeight = 160;
const move = [50, 30] as [number, number];
const scale = Math.max(
1 + move[0] / selectionWidth,
1 + move[1] / selectionHeight,
);
UI.resize([rectangle, diamond, ellipse], "se", move, {
shift: true,
});
expect(rectangle.x).toBeCloseTo(0);
expect(rectangle.y).toBeCloseTo(0);
expect(rectangle.width).toBeCloseTo(100 * scale);
expect(rectangle.height).toBeCloseTo(80 * scale);
expect(rectangle.angle).toEqual(0);
expect(rectLabel.type).toEqual("text");
expect(rectLabel.containerId).toEqual(rectangle.id);
expect(rectLabel.x + rectLabel.width / 2).toBeCloseTo(
rectangle.x + rectangle.width / 2,
);
expect(rectLabel.y + rectLabel.height / 2).toBeCloseTo(
rectangle.y + rectangle.height / 2,
);
expect(rectLabel.angle).toEqual(0);
expect(rectLabel.fontSize).toBeCloseTo(20 * scale, -1);
expect(diamond.x).toBeCloseTo(140 * scale);
expect(diamond.y).toBeCloseTo(40 * scale);
expect(diamond.width).toBeCloseTo(80 * scale);
expect(diamond.height).toBeCloseTo(80 * scale);
expect(diamond.angle).toEqual(0);
expect(ellipse.x).toBeCloseTo(40 * scale);
expect(ellipse.y).toBeCloseTo(100 * scale);
expect(ellipse.width).toBeCloseTo(80 * scale);
expect(ellipse.height).toBeCloseTo(60 * scale);
expect(ellipse.angle).toEqual(0);
});
it("resizes with linear elements > 2 points", async () => {
UI.clickTool("line");
UI.clickByTitle("Sharp");
const line = UI.createElement("line", {
x: 60,
y: 40,
points: [
[0, 0],
[-40, 40],
[-60, 0],
[0, -40],
[40, 20],
[0, 40],
],
});
const freedraw = UI.createElement("freedraw", {
x: 63.56072661326618,
y: 100,
points: [
[0, 0],
[-43.56072661326618, 18.15048126846341],
[-43.56072661326618, 29.041198460587566],
[-38.115368017204105, 42.652452795512204],
[-19.964886748740696, 66.24829266003775],
[19.056612930986716, 77.1390098521619],
],
});
const selectionWidth = 100;
const selectionHeight = 177.1390098521619;
const move = [-25, -25] as [number, number];
const scale = Math.max(
1 + move[0] / selectionWidth,
1 + move[1] / selectionHeight,
);
UI.resize([line, freedraw], "se", move, {
shift: true,
});
expect(line.x).toBeCloseTo(60 * scale);
expect(line.y).toBeCloseTo(40 * scale);
expect(line.width).toBeCloseTo(100 * scale);
expect(line.height).toBeCloseTo(80 * scale);
expect(line.angle).toEqual(0);
expect(freedraw.x).toBeCloseTo(63.56072661326618 * scale);
expect(freedraw.y).toBeCloseTo(100 * scale);
expect(freedraw.width).toBeCloseTo(62.6173395442529 * scale);
expect(freedraw.height).toBeCloseTo(77.1390098521619 * scale);
expect(freedraw.angle).toEqual(0);
});
it("resizes with 2-point lines", async () => {
const horizLine = UI.createElement("line", {
position: 0,
width: 120,
height: 0,
});
const vertLine = UI.createElement("line", {
x: 0,
y: 20,
width: 0,
height: 80,
});
const diagLine = UI.createElement("line", {
position: 40,
size: 60,
});
const selectionWidth = 120;
const selectionHeight = 100;
const move = [40, 40] as [number, number];
const scale = Math.max(
1 - move[0] / selectionWidth,
1 - move[1] / selectionHeight,
);
UI.resize([horizLine, vertLine, diagLine], "nw", move, {
shift: true,
});
expect(horizLine.x).toBeCloseTo(selectionWidth * (1 - scale));
expect(horizLine.y).toBeCloseTo(selectionHeight * (1 - scale));
expect(horizLine.width).toBeCloseTo(120 * scale);
expect(horizLine.height).toBeCloseTo(0);
expect(horizLine.angle).toEqual(0);
expect(vertLine.x).toBeCloseTo(selectionWidth * (1 - scale));
expect(vertLine.y).toBeCloseTo((selectionHeight - 20) * (1 - scale) + 20);
expect(vertLine.width).toBeCloseTo(0);
expect(vertLine.height).toBeCloseTo(80 * scale);
expect(vertLine.angle).toEqual(0);
expect(diagLine.x).toBeCloseTo((selectionWidth - 40) * (1 - scale) + 40);
expect(diagLine.y).toBeCloseTo((selectionHeight - 40) * (1 - scale) + 40);
expect(diagLine.width).toBeCloseTo(60 * scale);
expect(diagLine.height).toBeCloseTo(60 * scale);
expect(diagLine.angle).toEqual(0);
});
it("resizes with bound arrows", async () => {
const rectangle = UI.createElement("rectangle", {
position: 0,
size: 100,
});
const leftBoundArrow = UI.createElement("arrow", {
x: -110,
y: 50,
width: 100,
height: 0,
});
const rightBoundArrow = UI.createElement("arrow", {
x: 210,
y: 50,
width: -100,
height: 0,
});
const selectionWidth = 210;
const selectionHeight = 100;
const move = [40, 40] as [number, number];
const scale = Math.max(
1 - move[0] / selectionWidth,
1 - move[1] / selectionHeight,
);
const leftArrowBinding = { ...leftBoundArrow.endBinding };
const rightArrowBinding = { ...rightBoundArrow.endBinding };
delete rightArrowBinding.gap;
UI.resize([rectangle, rightBoundArrow], "nw", move, {
shift: true,
});
expect(leftBoundArrow.x).toBeCloseTo(-110);
expect(leftBoundArrow.y).toBeCloseTo(50);
expect(leftBoundArrow.width).toBeCloseTo(140, 0);
expect(leftBoundArrow.height).toBeCloseTo(7, 0);
expect(leftBoundArrow.angle).toEqual(0);
expect(leftBoundArrow.startBinding).toBeNull();
expect(leftBoundArrow.endBinding).toMatchObject(leftArrowBinding);
expect(rightBoundArrow.x).toBeCloseTo(210);
expect(rightBoundArrow.y).toBeCloseTo(
(selectionHeight - 50) * (1 - scale) + 50,
);
expect(rightBoundArrow.width).toBeCloseTo(100 * scale);
expect(rightBoundArrow.height).toBeCloseTo(0);
expect(rightBoundArrow.angle).toEqual(0);
expect(rightBoundArrow.startBinding).toBeNull();
expect(rightBoundArrow.endBinding).toMatchObject(rightArrowBinding);
});
it("resizes with labeled arrows", async () => {
const topArrow = UI.createElement("arrow", {
x: 0,
y: 20,
width: 220,
height: 0,
});
const topArrowLabel = await UI.editText(topArrow.get(), "lorem ipsum");
UI.clickTool("text");
UI.clickByTitle("Large");
const bottomArrow = UI.createElement("arrow", {
x: 0,
y: 80,
width: 220,
height: 0,
});
const bottomArrowLabel = await UI.editText(
bottomArrow.get(),
"dolor\nsit amet",
);
const selectionWidth = 220;
const selectionTop = 20 - topArrowLabel.height / 2;
const move = [80, 0] as [number, number];
const scale = move[0] / selectionWidth + 1;
const elementsMap = arrayToMap(h.elements);
UI.resize([topArrow.get(), bottomArrow.get()], "se", move, {
shift: true,
});
const topArrowLabelPos = LinearElementEditor.getBoundTextElementPosition(
topArrow,
topArrowLabel,
elementsMap,
);
const bottomArrowLabelPos = LinearElementEditor.getBoundTextElementPosition(
bottomArrow,
bottomArrowLabel,
elementsMap,
);
expect(topArrow.x).toBeCloseTo(0);
expect(topArrow.y).toBeCloseTo(selectionTop + (20 - selectionTop) * scale);
expect(topArrow.width).toBeCloseTo(300);
expect(topArrow.points).toEqual([
[0, 0],
[300, 0],
]);
expect(topArrowLabelPos.x + topArrowLabel.width / 2).toBeCloseTo(
topArrow.width / 2,
);
expect(topArrowLabelPos.y + topArrowLabel.height / 2).toBeCloseTo(
topArrow.y,
);
expect(topArrowLabel.fontSize).toBeCloseTo(20 * scale);
expect(bottomArrow.x).toBeCloseTo(0);
expect(bottomArrow.y).toBeCloseTo(
selectionTop + (80 - selectionTop) * scale,
);
expect(bottomArrow.width).toBeCloseTo(300);
expect(topArrow.points).toEqual([
[0, 0],
[300, 0],
]);
expect(bottomArrowLabelPos.x + bottomArrowLabel.width / 2).toBeCloseTo(
bottomArrow.width / 2,
);
expect(bottomArrowLabelPos.y + bottomArrowLabel.height / 2).toBeCloseTo(
bottomArrow.y,
);
expect(bottomArrowLabel.fontSize).toBeCloseTo(28 * scale);
});
it("resizes with text elements", async () => {
const topText = UI.createElement("text", { position: 0 });
await UI.editText(topText, "lorem ipsum");
UI.clickTool("text");
UI.clickByTitle("Large");
const bottomText = UI.createElement("text", { position: 40 });
await UI.editText(bottomText, "dolor\nsit amet");
const selectionWidth = 40 + bottomText.width;
const selectionHeight = 40 + bottomText.height;
const move = [30, -40] as [number, number];
const scale = Math.max(
1 + move[0] / selectionWidth,
1 - move[1] / selectionHeight,
);
UI.resize([topText, bottomText], "ne", move, { shift: true });
expect(topText.x).toBeCloseTo(0);
expect(topText.y).toBeCloseTo(-selectionHeight * (scale - 1));
expect(topText.fontSize).toBeCloseTo(20 * scale);
expect(topText.angle).toEqual(0);
expect(bottomText.x).toBeCloseTo(40 * scale);
expect(bottomText.y).toBeCloseTo(40 - (selectionHeight - 40) * (scale - 1));
expect(bottomText.fontSize).toBeCloseTo(28 * scale);
expect(bottomText.angle).toEqual(0);
});
it("resizes with images (proportional)", () => {
const topImage = API.createElement({
type: "image",
x: 0,
y: 0,
width: 200,
height: 100,
});
const bottomImage = API.createElement({
type: "image",
x: 30,
y: 150,
width: 120,
height: 80,
});
h.elements = [topImage, bottomImage];
const selectionWidth = 200;
const selectionHeight = 230;
const move = [-50, -50] as [number, number];
const scale = Math.max(
1 + move[0] / selectionWidth,
1 + move[1] / selectionHeight,
);
UI.resize([topImage, bottomImage], "se", move);
expect(topImage.x).toBeCloseTo(0);
expect(topImage.y).toBeCloseTo(0);
expect(topImage.width).toBeCloseTo(200 * scale);
expect(topImage.height).toBeCloseTo(100 * scale);
expect(topImage.angle).toEqual(0);
expect(topImage.scale).toEqual([1, 1]);
expect(bottomImage.x).toBeCloseTo(30 * scale);
expect(bottomImage.y).toBeCloseTo(150 * scale);
expect(bottomImage.width).toBeCloseTo(120 * scale);
expect(bottomImage.height).toBeCloseTo(80 * scale);
expect(bottomImage.angle).toEqual(0);
expect(bottomImage.scale).toEqual([1, 1]);
});
it("resizes from center", () => {
const rectangle = UI.createElement("rectangle", {
x: -200,
y: -140,
width: 120,
height: 100,
});
const ellipse = UI.createElement("ellipse", {
position: 60,
width: 140,
height: 80,
});
const selectionWidth = 400;
const selectionHeight = 280;
const move = [-80, -80] as [number, number];
const scale = Math.max(
1 + (2 * move[0]) / selectionWidth,
1 + (2 * move[1]) / selectionHeight,
);
UI.resize([rectangle, ellipse], "se", move, { shift: true, alt: true });
expect(rectangle.x).toBeCloseTo(-200 * scale);
expect(rectangle.y).toBeCloseTo(-140 * scale);
expect(rectangle.width).toBeCloseTo(120 * scale);
expect(rectangle.height).toBeCloseTo(100 * scale);
expect(rectangle.angle).toEqual(0);
expect(ellipse.x).toBeCloseTo(60 * scale);
expect(ellipse.y).toBeCloseTo(60 * scale);
expect(ellipse.width).toBeCloseTo(140 * scale);
expect(ellipse.height).toBeCloseTo(80 * scale);
expect(ellipse.angle).toEqual(0);
});
it("flips while resizing", async () => {
const image = API.createElement({
type: "image",
x: 60,
y: 100,
width: 100,
height: 100,
angle: (Math.PI * 7) / 6,
});
h.elements = [image];
const line = UI.createElement("line", {
x: 60,
y: 0,
points: [
[0, 0],
[-40, 40],
[-20, 60],
[20, 20],
[40, 40],
[-20, 100],
[-60, 60],
],
});
const rectangle = UI.createElement("rectangle", {
x: 180,
y: 60,
width: 160,
height: 80,
angle: Math.PI / 6,
});
const rectLabel = await UI.editText(rectangle, "hello\nworld");
const boundArrow = UI.createElement("arrow", {
x: 380,
y: 240,
width: -60,
height: -80,
});
const arrowLabel = await UI.editText(boundArrow, "test");
const selectionWidth = 380;
const move = [-800, 0] as [number, number];
const scaleX = move[0] / selectionWidth + 1;
const scaleY = -scaleX;
const lineOrigBounds = getBoundsFromPoints(line);
const elementsMap = arrayToMap(h.elements);
UI.resize([line, image, rectangle, boundArrow], "se", move, {
shift: true,
});
const lineNewBounds = getBoundsFromPoints(line);
const arrowLabelPos = LinearElementEditor.getBoundTextElementPosition(
boundArrow,
arrowLabel,
elementsMap,
);
expect(line.x).toBeCloseTo(60 * scaleX);
expect(line.y).toBeCloseTo(0);
expect(lineNewBounds[0]).toBeCloseTo(
(lineOrigBounds[2] - lineOrigBounds[0]) * scaleX,
);
expect(lineNewBounds[1]).toBeCloseTo(0);
expect(lineNewBounds[3]).toBeCloseTo(
(lineOrigBounds[3] - lineOrigBounds[1]) * scaleY,
);
expect(lineNewBounds[2]).toBeCloseTo(0);
expect(line.angle).toEqual(0);
expect(image.x).toBeCloseTo((60 + 100) * scaleX);
expect(image.y).toBeCloseTo(100 * scaleY);
expect(image.width).toBeCloseTo(100 * -scaleX);
expect(image.height).toBeCloseTo(100 * scaleY);
expect(image.angle).toBeCloseTo((Math.PI * 5) / 6);
expect(image.scale).toEqual([-1, 1]);
expect(rectangle.x).toBeCloseTo((180 + 160) * scaleX);
expect(rectangle.y).toBeCloseTo(60 * scaleY);
expect(rectangle.width).toBeCloseTo(160 * -scaleX);
expect(rectangle.height).toBeCloseTo(80 * scaleY);
expect(rectangle.angle).toEqual((Math.PI * 11) / 6);
expect(rectLabel.x + rectLabel.width / 2).toBeCloseTo(
rectangle.x + rectangle.width / 2,
);
expect(rectLabel.y + rectLabel.height / 2).toBeCloseTo(
rectangle.y + rectangle.height / 2,
);
expect(rectLabel.angle).toBeCloseTo(rectangle.angle);
expect(rectLabel.fontSize).toBeCloseTo(20 * scaleY);
expect(boundArrow.x).toBeCloseTo(380 * scaleX);
expect(boundArrow.y).toBeCloseTo(240 * scaleY);
expect(boundArrow.points[1][0]).toBeCloseTo(-60 * scaleX);
expect(boundArrow.points[1][1]).toBeCloseTo(-80 * scaleY);
expect(arrowLabelPos.x + arrowLabel.width / 2).toBeCloseTo(
boundArrow.x + boundArrow.points[1][0] / 2,
);
expect(arrowLabelPos.y + arrowLabel.height / 2).toBeCloseTo(
boundArrow.y + boundArrow.points[1][1] / 2,
);
expect(arrowLabel.angle).toEqual(0);
expect(arrowLabel.fontSize).toBeCloseTo(20 * scaleY);
});
});