merge update

This commit is contained in:
Brady Madden 2020-01-04 16:28:04 -05:00
commit 0b61083ac9
6 changed files with 177 additions and 208 deletions

29
package-lock.json generated
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@ -1000,35 +1000,6 @@
"resolved": "https://registry.npmjs.org/@csstools/normalize.css/-/normalize.css-10.1.0.tgz",
"integrity": "sha512-ij4wRiunFfaJxjB0BdrYHIH8FxBJpOwNPhhAcunlmPdXudL1WQV1qoP9un6JsEBAgQH+7UXyyjh0g7jTxXK6tg=="
},
"@fortawesome/fontawesome-common-types": {
"version": "0.2.26",
"resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-common-types/-/fontawesome-common-types-0.2.26.tgz",
"integrity": "sha512-CcM/fIFwZlRdiWG/25xE/wHbtyUuCtqoCTrr6BsWw7hH072fR++n4L56KPydAr3ANgMJMjT8v83ZFIsDc7kE+A=="
},
"@fortawesome/fontawesome-svg-core": {
"version": "1.2.26",
"resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-svg-core/-/fontawesome-svg-core-1.2.26.tgz",
"integrity": "sha512-3Dfd/v2IztP1TxKOxZiB5+4kaOZK9mNy0KU1vVK7nFlPWz3gzxrCWB+AloQhQUoJ8HhGqbzjliK89Vl7PExGbw==",
"requires": {
"@fortawesome/fontawesome-common-types": "^0.2.26"
}
},
"@fortawesome/free-solid-svg-icons": {
"version": "5.12.0",
"resolved": "https://registry.npmjs.org/@fortawesome/free-solid-svg-icons/-/free-solid-svg-icons-5.12.0.tgz",
"integrity": "sha512-CnpsWs6GhTs9ekNB3d8rcO5HYqRkXbYKf2YNiAlTWbj5eVlPqsd/XH1F9If8jkcR1aegryAbln/qYeKVZzpM0g==",
"requires": {
"@fortawesome/fontawesome-common-types": "^0.2.26"
}
},
"@fortawesome/react-fontawesome": {
"version": "0.1.8",
"resolved": "https://registry.npmjs.org/@fortawesome/react-fontawesome/-/react-fontawesome-0.1.8.tgz",
"integrity": "sha512-I5h9YQg/ePA3Br9ISS18fcwOYmzQYDSM1ftH03/8nHkiqIVHtUyQBw482+60dnzvlr82gHt3mGm+nDUp159FCw==",
"requires": {
"prop-types": "^15.5.10"
}
},
"@hapi/address": {
"version": "2.1.4",
"resolved": "https://registry.npmjs.org/@hapi/address/-/address-2.1.4.tgz",

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@ -6,10 +6,6 @@
"keywords": [],
"main": "src/index.js",
"dependencies": {
"@fortawesome/fontawesome-svg-core": "^1.2.26",
"@fortawesome/free-solid-svg-icons": "^5.12.0",
"@fortawesome/react-fontawesome": "^0.1.8",
"lodash": "4.17.15",
"react": "16.12.0",
"react-dom": "16.12.0",
"react-scripts": "3.3.0",

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@ -7,12 +7,8 @@
content="width=device-width, initial-scale=1, shrink-to-fit=no"
/>
<meta name="theme-color" content="#000000" />
<!--
manifest.json provides metadata used when your web app is added to the
homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
<link rel="icon" href="%PUBLIC_URL%/logo.png" />
<link
rel="preload"
href="https://uploads.codesandbox.io/uploads/user/ed077012-e728-4a42-8395-cbd299149d62/AflB-FG_Virgil.ttf"
@ -20,15 +16,6 @@
type="font/ttf"
crossorigin="anonymous"
/>
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>Excalidraw</title>
<script

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@ -2,14 +2,6 @@ import React from "react";
import ReactDOM from "react-dom";
import rough from "roughjs/bin/wrappers/rough";
import { RoughCanvas } from "roughjs/bin/canvas";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import {
faMousePointer,
faSquare,
faCircle,
faLongArrowAltRight,
faFont
} from "@fortawesome/free-solid-svg-icons";
import { moveOneLeft, moveAllLeft, moveOneRight, moveAllRight } from "./zindex";
@ -351,10 +343,23 @@ function handlerRectangles(
function renderScene(
rc: RoughCanvas,
context: CanvasRenderingContext2D,
sceneState: SceneState
canvas: HTMLCanvasElement,
sceneState: SceneState,
// extra options, currently passed by export helper
{
offsetX,
offsetY,
renderScrollbars = true,
renderSelection = true
}: {
offsetX?: number;
offsetY?: number;
renderScrollbars?: boolean;
renderSelection?: boolean;
} = {}
) {
if (!context) return;
if (!canvas) return;
const context = canvas.getContext("2d")!;
const fillStyle = context.fillStyle;
if (typeof sceneState.viewBackgroundColor === "string") {
@ -367,9 +372,15 @@ function renderScene(
const selectedIndices = getSelectedIndices();
sceneState = {
...sceneState,
scrollX: typeof offsetX === "number" ? offsetX : sceneState.scrollX,
scrollY: typeof offsetY === "number" ? offsetY : sceneState.scrollY
};
elements.forEach(element => {
element.draw(rc, context, sceneState);
if (element.isSelected) {
if (renderSelection && element.isSelected) {
const margin = 4;
const elementX1 = getElementAbsoluteX1(element);
@ -405,119 +416,93 @@ function renderScene(
}
});
const scrollBars = getScrollbars(
context.canvas.width,
context.canvas.height,
sceneState.scrollX,
sceneState.scrollY
);
if (renderScrollbars) {
const scrollBars = getScrollbars(
context.canvas.width,
context.canvas.height,
sceneState.scrollX,
sceneState.scrollY
);
context.fillStyle = SCROLLBAR_COLOR;
context.fillRect(
scrollBars.horizontal.x,
scrollBars.horizontal.y,
scrollBars.horizontal.width,
scrollBars.horizontal.height
);
context.fillRect(
scrollBars.vertical.x,
scrollBars.vertical.y,
scrollBars.vertical.width,
scrollBars.vertical.height
);
context.fillStyle = fillStyle;
context.fillStyle = SCROLLBAR_COLOR;
context.fillRect(
scrollBars.horizontal.x,
scrollBars.horizontal.y,
scrollBars.horizontal.width,
scrollBars.horizontal.height
);
context.fillRect(
scrollBars.vertical.x,
scrollBars.vertical.y,
scrollBars.vertical.width,
scrollBars.vertical.height
);
context.fillStyle = fillStyle;
}
}
function exportAsPNG({
exportBackground,
exportVisibleOnly,
exportPadding = 10,
viewBackgroundColor
}: {
exportBackground: boolean;
exportVisibleOnly: boolean;
exportPadding?: number;
viewBackgroundColor: string;
scrollX: number;
scrollY: number;
}) {
if (!elements.length) return window.alert("Cannot export empty canvas.");
// deselect & rerender
// calculate smallest area to fit the contents in
clearSelection();
ReactDOM.render(<App />, rootElement, () => {
// calculate visible-area coords
let subCanvasX1 = Infinity;
let subCanvasX2 = 0;
let subCanvasY1 = Infinity;
let subCanvasY2 = 0;
let subCanvasX1 = Infinity;
let subCanvasX2 = 0;
let subCanvasY1 = Infinity;
let subCanvasY2 = 0;
elements.forEach(element => {
subCanvasX1 = Math.min(subCanvasX1, getElementAbsoluteX1(element));
subCanvasX2 = Math.max(subCanvasX2, getElementAbsoluteX2(element));
subCanvasY1 = Math.min(subCanvasY1, getElementAbsoluteY1(element));
subCanvasY2 = Math.max(subCanvasY2, getElementAbsoluteY2(element));
});
// create temporary canvas from which we'll export
const tempCanvas = document.createElement("canvas");
const tempCanvasCtx = tempCanvas.getContext("2d")!;
tempCanvas.style.display = "none";
document.body.appendChild(tempCanvas);
tempCanvas.width = exportVisibleOnly
? subCanvasX2 - subCanvasX1 + exportPadding * 2
: canvas.width;
tempCanvas.height = exportVisibleOnly
? subCanvasY2 - subCanvasY1 + exportPadding * 2
: canvas.height;
// if we're exporting without bg, we need to rerender the scene without it
// (it's reset again, below)
if (!exportBackground) {
renderScene(rc, context, {
viewBackgroundColor: null,
scrollX: 0,
scrollY: 0
});
}
// copy our original canvas onto the temp canvas
tempCanvasCtx.drawImage(
canvas, // source
exportVisibleOnly // sx
? subCanvasX1 - exportPadding
: 0,
exportVisibleOnly // sy
? subCanvasY1 - exportPadding
: 0,
exportVisibleOnly // sWidth
? subCanvasX2 - subCanvasX1 + exportPadding * 2
: canvas.width,
exportVisibleOnly // sHeight
? subCanvasY2 - subCanvasY1 + exportPadding * 2
: canvas.height,
0, // dx
0, // dy
exportVisibleOnly ? tempCanvas.width : canvas.width, // dWidth
exportVisibleOnly ? tempCanvas.height : canvas.height // dHeight
);
// reset transparent bg back to original
if (!exportBackground) {
renderScene(rc, context, { viewBackgroundColor, scrollX: 0, scrollY: 0 });
}
// create a temporary <a> elem which we'll use to download the image
const link = document.createElement("a");
link.setAttribute("download", "excalidraw.png");
link.setAttribute("href", tempCanvas.toDataURL("image/png"));
link.click();
// clean up the DOM
link.remove();
if (tempCanvas !== canvas) tempCanvas.remove();
elements.forEach(element => {
subCanvasX1 = Math.min(subCanvasX1, getElementAbsoluteX1(element));
subCanvasX2 = Math.max(subCanvasX2, getElementAbsoluteX2(element));
subCanvasY1 = Math.min(subCanvasY1, getElementAbsoluteY1(element));
subCanvasY2 = Math.max(subCanvasY2, getElementAbsoluteY2(element));
});
function distance(x: number, y: number) {
return Math.abs(x > y ? x - y : y - x);
}
const tempCanvas = document.createElement("canvas");
tempCanvas.style.display = "none";
document.body.appendChild(tempCanvas);
tempCanvas.width = distance(subCanvasX1, subCanvasX2) + exportPadding * 2;
tempCanvas.height = distance(subCanvasY1, subCanvasY2) + exportPadding * 2;
renderScene(
rough.canvas(tempCanvas),
tempCanvas,
{
viewBackgroundColor: exportBackground ? viewBackgroundColor : null,
scrollX: 0,
scrollY: 0
},
{
offsetX: -subCanvasX1 + exportPadding,
offsetY: -subCanvasY1 + exportPadding,
renderScrollbars: false,
renderSelection: false
}
);
// create a temporary <a> elem which we'll use to download the image
const link = document.createElement("a");
link.setAttribute("download", "excalidraw.png");
link.setAttribute("href", tempCanvas.toDataURL("image/png"));
link.click();
// clean up the DOM
link.remove();
if (tempCanvas !== canvas) tempCanvas.remove();
}
function rotate(x1: number, y1: number, x2: number, y2: number, angle: number) {
@ -723,8 +708,6 @@ type AppState = {
resizingElement: ExcalidrawElement | null;
elementType: string;
exportBackground: boolean;
exportVisibleOnly: boolean;
exportPadding: number;
currentItemStrokeColor: string;
currentItemBackgroundColor: string;
viewBackgroundColor: string;
@ -742,25 +725,51 @@ const KEYS = {
BACKSPACE: "Backspace"
};
// We inline font-awesome icons in order to save on js size rather than including the font awesome react library
const SHAPES = [
{
icon: faMousePointer,
icon: (
// fa-mouse-pointer
<svg viewBox="0 0 320 512">
<path d="M302.189 329.126H196.105l55.831 135.993c3.889 9.428-.555 19.999-9.444 23.999l-49.165 21.427c-9.165 4-19.443-.571-23.332-9.714l-53.053-129.136-86.664 89.138C18.729 472.71 0 463.554 0 447.977V18.299C0 1.899 19.921-6.096 30.277 5.443l284.412 292.542c11.472 11.179 3.007 31.141-12.5 31.141z" />
</svg>
),
value: "selection"
},
{
icon: faSquare,
icon: (
// fa-square
<svg viewBox="0 0 448 512">
<path d="M400 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48z" />
</svg>
),
value: "rectangle"
},
{
icon: faCircle,
icon: (
// fa-circle
<svg viewBox="0 0 512 512">
<path d="M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z" />
</svg>
),
value: "ellipse"
},
{
icon: faLongArrowAltRight,
icon: (
// fa-long-arrow-alt-right
<svg viewBox="0 0 448 512">
<path d="M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z" />
</svg>
),
value: "arrow"
},
{
icon: faFont,
icon: (
// fa-font
<svg viewBox="0 0 448 512">
<path d="M432 416h-23.41L277.88 53.69A32 32 0 0 0 247.58 32h-47.16a32 32 0 0 0-30.3 21.69L39.41 416H16a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h128a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16h-19.58l23.3-64h152.56l23.3 64H304a16 16 0 0 0-16 16v32a16 16 0 0 0 16 16h128a16 16 0 0 0 16-16v-32a16 16 0 0 0-16-16zM176.85 272L224 142.51 271.15 272z" />
</svg>
),
value: "text"
}
];
@ -821,9 +830,7 @@ class App extends React.Component<{}, AppState> {
draggingElement: null,
resizingElement: null,
elementType: "selection",
exportBackground: false,
exportVisibleOnly: true,
exportPadding: 10,
exportBackground: true,
currentItemStrokeColor: "#000000",
currentItemBackgroundColor: "#ffffff",
viewBackgroundColor: "#ffffff",
@ -940,6 +947,8 @@ class App extends React.Component<{}, AppState> {
this.forceUpdate();
};
private removeWheelEventListener: (() => void) | undefined;
public render() {
return (
<div
@ -998,9 +1007,7 @@ class App extends React.Component<{}, AppState> {
this.forceUpdate();
}}
/>
<div className="toolIcon">
<FontAwesomeIcon icon={icon} />
</div>
<div className="toolIcon">{icon}</div>
</label>
))}
</div>
@ -1050,12 +1057,7 @@ class App extends React.Component<{}, AppState> {
<div className="panelColumn">
<button
onClick={() => {
exportAsPNG({
exportBackground: this.state.exportBackground,
exportVisibleOnly: this.state.exportVisibleOnly,
exportPadding: this.state.exportPadding,
viewBackgroundColor: this.state.viewBackgroundColor
});
exportAsPNG(this.state);
}}
>
Export to png
@ -1070,28 +1072,6 @@ class App extends React.Component<{}, AppState> {
/>
background
</label>
<label>
<input
type="checkbox"
checked={this.state.exportVisibleOnly}
onChange={e => {
this.setState({ exportVisibleOnly: e.target.checked });
}}
/>
visible area only
</label>
<div>
(padding:
<input
type="number"
value={this.state.exportPadding}
onChange={e => {
this.setState({ exportPadding: Number(e.target.value) });
}}
disabled={!this.state.exportVisibleOnly}
/>
px)
</div>
</div>
{someElementIsSelected() && (
<>
@ -1110,13 +1090,18 @@ class App extends React.Component<{}, AppState> {
id="canvas"
width={window.innerWidth - CANVAS_WINDOW_OFFSET_LEFT}
height={window.innerHeight - CANVAS_WINDOW_OFFSET_TOP}
onWheel={e => {
e.preventDefault();
const { deltaX, deltaY } = e;
this.setState(state => ({
scrollX: state.scrollX - deltaX,
scrollY: state.scrollY - deltaY
}));
ref={canvas => {
if (this.removeWheelEventListener) {
this.removeWheelEventListener();
this.removeWheelEventListener = undefined;
}
if (canvas) {
canvas.addEventListener("wheel", this.handleWheel, {
passive: false
});
this.removeWheelEventListener = () =>
canvas.removeEventListener("wheel", this.handleWheel);
}
}}
onMouseDown={e => {
// only handle left mouse button
@ -1172,7 +1157,7 @@ class App extends React.Component<{}, AppState> {
isResizingElements = true;
} else {
let hitElement = null;
// We need to to hit testing from front (end of the array) to back (beginning of the array)
for (let i = elements.length - 1; i >= 0; --i) {
if (hitTest(elements[i], x, y)) {
@ -1394,8 +1379,17 @@ class App extends React.Component<{}, AppState> {
);
}
private handleWheel = (e: WheelEvent) => {
e.preventDefault();
const { deltaX, deltaY } = e;
this.setState(state => ({
scrollX: state.scrollX - deltaX,
scrollY: state.scrollY - deltaY
}));
};
componentDidUpdate() {
renderScene(rc, context, {
renderScene(rc, canvas, {
scrollX: this.state.scrollX,
scrollY: this.state.scrollY,
viewBackgroundColor: this.state.viewBackgroundColor

View File

@ -46,8 +46,13 @@ body {
}
.tool {
position: relative;
input[type="radio"] {
display: none;
position: absolute;
opacity: 0;
width: 0;
height: 0;
}
input[type="radio"] {
@ -62,6 +67,10 @@ body {
align-items: center;
border-radius: 3px;
svg {
height: 1em;
}
}
&:hover + .toolIcon {
background-color: #e7e5e5;
@ -69,6 +78,9 @@ body {
&:checked + .toolIcon {
background-color: #bdbebc;
}
&:focus + .toolIcon {
box-shadow: 0 0 0 2px steelblue;
}
}
}
@ -89,6 +101,11 @@ input[type="color"] {
input {
margin-right: 5px;
&:focus {
outline: transparent;
box-shadow: 0 0 0 2px steelblue;
}
}
button {
@ -97,7 +114,11 @@ button {
border-radius: 4px;
margin: 2px 0;
padding: 5px;
outline: none;
outline: transparent;
&:focus {
box-shadow: 0 0 0 2px steelblue;
}
&:hover {
background-color: #e7e5e5;