From 3ff9d2944a29adfa48abd92c6940b746d1c22710 Mon Sep 17 00:00:00 2001 From: Shriraj Date: Thu, 6 Aug 2026 11:17:04 +0530 Subject: [PATCH 1/2] feat(whiteboard): add PNG and PDF canvas export functionality (#1915) --- package-lock.json | 213 ++++++++++++++++++ package.json | 1 + src/App.tsx | 1 - src/components/Whiteboard/Canvas.tsx | 54 ++++- src/components/Whiteboard/exportUtils.test.ts | 101 +++++++++ src/components/Whiteboard/exportUtils.ts | 68 ++++++ src/hooks/useSessions.ts | 6 +- 7 files changed, 437 insertions(+), 7 deletions(-) create mode 100644 src/components/Whiteboard/exportUtils.test.ts create mode 100644 src/components/Whiteboard/exportUtils.ts diff --git a/package-lock.json b/package-lock.json index 9695b0d5..8fd6c7b9 100644 --- a/package-lock.json +++ b/package-lock.json @@ -51,6 +51,7 @@ "embla-carousel-react": "^8.6.0", "framer-motion": "^11.18.2", "input-otp": "^1.4.2", + "jspdf": "^4.2.1", "lucide-react": "^0.462.0", "next-themes": "^0.3.0", "react": "^18.3.1", @@ -3824,6 +3825,12 @@ "undici-types": "~6.21.0" } }, + "node_modules/@types/pako": { + "version": "2.0.4", + "resolved": "https://registry.npmjs.org/@types/pako/-/pako-2.0.4.tgz", + "integrity": "sha512-VWDCbrLeVXJM9fihYodcLiIv0ku+AlOa/TQ1SvYOaBuyrSKgEcro95LJyIsJ4vSo6BXIxOKxiJAat04CmST9Fw==", + "license": "MIT" + }, "node_modules/@types/prismjs": { "version": "1.26.6", "resolved": "https://registry.npmjs.org/@types/prismjs/-/prismjs-1.26.6.tgz", @@ -3842,6 +3849,13 @@ "integrity": "sha512-GZHUBZR9hckSUhrxmp1nG6NwdpM9fCunJwyThLW1X3AyHgd9IlHb6VANpQQqDr2o/qQp6McZ3y/IA2rVzKzSbw==", "license": "MIT" }, + "node_modules/@types/raf": { + "version": "3.4.3", + "resolved": "https://registry.npmjs.org/@types/raf/-/raf-3.4.3.tgz", + "integrity": "sha512-c4YAvMedbPZ5tEyxzQdMoOhhJ4RD3rngZIdwC2/qDN3d7JpEhB6fiBRKVY1lg5B7Wk+uPBjn5f39j1/2MY1oOw==", + "license": "MIT", + "optional": true + }, "node_modules/@types/range-parser": { "version": "1.2.7", "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz", @@ -4587,6 +4601,16 @@ "dev": true, "license": "MIT" }, + "node_modules/base64-arraybuffer": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz", + "integrity": "sha512-I3yl4r9QB5ZRY3XuJVEPfc2XhZO6YweFPI+UovAzn+8/hb3oJ6lnysaFcjVpkCPfVWFUDvoZ8kmVDP7WyRtYtQ==", + "license": "MIT", + "optional": true, + "engines": { + "node": ">= 0.6.0" + } + }, "node_modules/baseline-browser-mapping": { "version": "2.10.37", "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.10.37.tgz", @@ -4732,6 +4756,26 @@ ], "license": "CC-BY-4.0" }, + "node_modules/canvg": { + "version": "3.0.11", + "resolved": "https://registry.npmjs.org/canvg/-/canvg-3.0.11.tgz", + "integrity": "sha512-5ON+q7jCTgMp9cjpu4Jo6XbvfYwSB2Ow3kzHKfIyJfaCAOHLbdKPQqGKgfED/R5B+3TFFfe8pegYA+b423SRyA==", + "license": "MIT", + "optional": true, + "dependencies": { + "@babel/runtime": "^7.12.5", + "@types/raf": "^3.4.0", + "core-js": "^3.8.3", + "raf": "^3.4.1", + "regenerator-runtime": "^0.13.7", + "rgbcolor": "^1.0.1", + "stackblur-canvas": "^2.0.0", + "svg-pathdata": "^6.0.3" + }, + "engines": { + "node": ">=10.0.0" + } + }, "node_modules/ccount": { "version": "2.0.1", "resolved": "https://registry.npmjs.org/ccount/-/ccount-2.0.1.tgz", @@ -4948,6 +4992,21 @@ "dev": true, "license": "MIT" }, + "node_modules/core-js": { + "version": "3.50.0", + "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.50.0.tgz", + "integrity": "sha512-BRWgOLKkFeCgRudR6zrs8p9XJZcE14grzKMMssoYrk6krtuEZ7MTKPIY5RzOnqsEKIR9kst7wNzphttraT+Yqw==", + "hasInstallScript": true, + "license": "MIT", + "optional": true, + "engines": { + "node": "*" + }, + "funding": { + "type": "opencollective", + "url": "https://opencollective.com/core-js" + } + }, "node_modules/cross-spawn": { "version": "7.0.6", "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz", @@ -4963,6 +5022,16 @@ "node": ">= 8" } }, + "node_modules/css-line-break": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/css-line-break/-/css-line-break-2.1.0.tgz", + "integrity": "sha512-FHcKFCZcAha3LwfVBhCQbW2nCNbkZXn7KVUJcsT5/P8YmfsVja0FMPJr0B903j/E69HUphKiV9iQArX8SDYA4w==", + "license": "MIT", + "optional": true, + "dependencies": { + "utrie": "^1.0.2" + } + }, "node_modules/css-tree": { "version": "3.2.1", "resolved": "https://registry.npmjs.org/css-tree/-/css-tree-3.2.1.tgz", @@ -5681,6 +5750,17 @@ "dev": true, "license": "MIT" }, + "node_modules/fast-png": { + "version": "6.4.0", + "resolved": "https://registry.npmjs.org/fast-png/-/fast-png-6.4.0.tgz", + "integrity": "sha512-kAqZq1TlgBjZcLr5mcN6NP5Rv4V2f22z00c3g8vRrwkcqjerx7BEhPbOnWCPqaHUl2XWQBJQvOT/FQhdMT7X/Q==", + "license": "MIT", + "dependencies": { + "@types/pako": "^2.0.3", + "iobuffer": "^5.3.2", + "pako": "^2.1.0" + } + }, "node_modules/fastq": { "version": "1.20.1", "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.20.1.tgz", @@ -5720,6 +5800,12 @@ } } }, + "node_modules/fflate": { + "version": "0.8.3", + "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.3.tgz", + "integrity": "sha512-tbZNuJrLwGUp3zshBtdy4W+ORxZuIh8a5ilyIEQDC5rY1f3U20JMry0Ll3WBzU58EZKsEuJFXhb5gwv8CsPvgA==", + "license": "MIT" + }, "node_modules/file-entry-cache": { "version": "8.0.0", "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-8.0.0.tgz", @@ -6041,6 +6127,20 @@ "url": "https://opencollective.com/unified" } }, + "node_modules/html2canvas": { + "version": "1.4.1", + "resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz", + "integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==", + "license": "MIT", + "optional": true, + "dependencies": { + "css-line-break": "^2.1.0", + "text-segmentation": "^1.0.3" + }, + "engines": { + "node": ">=8.0.0" + } + }, "node_modules/http_ece": { "version": "1.2.0", "resolved": "https://registry.npmjs.org/http_ece/-/http_ece-1.2.0.tgz", @@ -6150,6 +6250,12 @@ "node": ">=12" } }, + "node_modules/iobuffer": { + "version": "5.4.0", + "resolved": "https://registry.npmjs.org/iobuffer/-/iobuffer-5.4.0.tgz", + "integrity": "sha512-DRebOWuqDvxunfkNJAlc3IzWIPD5xVxwUNbHr7xKB8E6aLJxIPfNX3CoMJghcFjpv6RWQsrcJbghtEwSPoJqMA==", + "license": "MIT" + }, "node_modules/is-alphabetical": { "version": "2.0.1", "resolved": "https://registry.npmjs.org/is-alphabetical/-/is-alphabetical-2.0.1.tgz", @@ -6418,6 +6524,23 @@ "dev": true, "license": "MIT" }, + "node_modules/jspdf": { + "version": "4.2.1", + "resolved": "https://registry.npmjs.org/jspdf/-/jspdf-4.2.1.tgz", + "integrity": "sha512-YyAXyvnmjTbR4bHQRLzex3CuINCDlQnBqoSYyjJwTP2x9jDLuKDzy7aKUl0hgx3uhcl7xzg32agn5vlie6HIlQ==", + "license": "MIT", + "dependencies": { + "@babel/runtime": "^7.28.6", + "fast-png": "^6.2.0", + "fflate": "^0.8.1" + }, + "optionalDependencies": { + "canvg": "^3.0.11", + "core-js": "^3.6.0", + "dompurify": "^3.3.1", + "html2canvas": "^1.0.0-rc.5" + } + }, "node_modules/jwa": { "version": "2.0.1", "resolved": "https://registry.npmjs.org/jwa/-/jwa-2.0.1.tgz", @@ -7760,6 +7883,22 @@ "url": "https://github.com/sponsors/sindresorhus" } }, + "node_modules/pako": { + "version": "2.2.0", + "resolved": "https://registry.npmjs.org/pako/-/pako-2.2.0.tgz", + "integrity": "sha512-zJq6RP/5q+TO2OpFV3FHzlPnFjmkb7Nc99a5SNjJE+uu/PkpChs+NIZSSzbBoD+6kjiISXjfYdwj1ZRQ81dz/w==", + "funding": [ + { + "type": "github", + "url": "https://github.com/sponsors/puzrin" + }, + { + "type": "github", + "url": "https://github.com/sponsors/nodeca" + } + ], + "license": "(MIT AND Zlib)" + }, "node_modules/parent-module": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz", @@ -7844,6 +7983,13 @@ "dev": true, "license": "MIT" }, + "node_modules/performance-now": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz", + "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==", + "license": "MIT", + "optional": true + }, "node_modules/picocolors": { "version": "1.1.1", "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz", @@ -8188,6 +8334,16 @@ ], "license": "MIT" }, + "node_modules/raf": { + "version": "3.4.1", + "resolved": "https://registry.npmjs.org/raf/-/raf-3.4.1.tgz", + "integrity": "sha512-Sq4CW4QhwOHE8ucn6J34MqtZCeWFP2aQSmrlroYgqAV1PjStIhJXxYuTgUIfkEk7zTLjmIjLmU5q+fbD1NnOJA==", + "license": "MIT", + "optional": true, + "dependencies": { + "performance-now": "^2.1.0" + } + }, "node_modules/react": { "version": "18.3.1", "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz", @@ -8589,6 +8745,13 @@ "url": "https://github.com/sponsors/wooorm" } }, + "node_modules/regenerator-runtime": { + "version": "0.13.11", + "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz", + "integrity": "sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==", + "license": "MIT", + "optional": true + }, "node_modules/rehype-sanitize": { "version": "6.0.0", "resolved": "https://registry.npmjs.org/rehype-sanitize/-/rehype-sanitize-6.0.0.tgz", @@ -8720,6 +8883,16 @@ "node": ">=0.10.0" } }, + "node_modules/rgbcolor": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/rgbcolor/-/rgbcolor-1.0.1.tgz", + "integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw==", + "license": "MIT OR SEE LICENSE IN FEEL-FREE.md", + "optional": true, + "engines": { + "node": ">= 0.8.15" + } + }, "node_modules/rollup": { "version": "4.62.0", "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.62.0.tgz", @@ -8915,6 +9088,16 @@ "dev": true, "license": "MIT" }, + "node_modules/stackblur-canvas": { + "version": "2.7.0", + "resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.7.0.tgz", + "integrity": "sha512-yf7OENo23AGJhBriGx0QivY5JP6Y1HbrrDI6WLt6C5auYZXlQrheoY8hD4ibekFKz1HOfE48Ww8kMWMnJD/zcQ==", + "license": "MIT", + "optional": true, + "engines": { + "node": ">=0.1.14" + } + }, "node_modules/state-local": { "version": "1.0.7", "resolved": "https://registry.npmjs.org/state-local/-/state-local-1.0.7.tgz", @@ -9053,6 +9236,16 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/svg-pathdata": { + "version": "6.0.3", + "resolved": "https://registry.npmjs.org/svg-pathdata/-/svg-pathdata-6.0.3.tgz", + "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==", + "license": "MIT", + "optional": true, + "engines": { + "node": ">=12.0.0" + } + }, "node_modules/symbol-tree": { "version": "3.2.4", "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz", @@ -9136,6 +9329,16 @@ "node": ">=4" } }, + "node_modules/text-segmentation": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz", + "integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==", + "license": "MIT", + "optional": true, + "dependencies": { + "utrie": "^1.0.2" + } + }, "node_modules/thenify": { "version": "3.3.1", "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz", @@ -9554,6 +9757,16 @@ "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==", "license": "MIT" }, + "node_modules/utrie": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/utrie/-/utrie-1.0.2.tgz", + "integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==", + "license": "MIT", + "optional": true, + "dependencies": { + "base64-arraybuffer": "^1.0.2" + } + }, "node_modules/vaul": { "version": "0.9.9", "resolved": "https://registry.npmjs.org/vaul/-/vaul-0.9.9.tgz", diff --git a/package.json b/package.json index 303aa5dc..217a32cc 100644 --- a/package.json +++ b/package.json @@ -58,6 +58,7 @@ "embla-carousel-react": "^8.6.0", "framer-motion": "^11.18.2", "input-otp": "^1.4.2", + "jspdf": "^4.2.1", "lucide-react": "^0.462.0", "next-themes": "^0.3.0", "react": "^18.3.1", diff --git a/src/App.tsx b/src/App.tsx index e56ec217..52b17fad 100644 --- a/src/App.tsx +++ b/src/App.tsx @@ -47,7 +47,6 @@ const Profile = React.lazy(() => import("./pages/Profile")); const EditProfile = React.lazy(() => import("./pages/EditProfile")); const Settings = React.lazy(() => import("./pages/Settings")); const Notifications = React.lazy(() => import("./pages/Notifications")); -const Settings = React.lazy(() => import("./pages/Settings")); const Leaderboard = React.lazy(() => import("./pages/Leaderboard")); const Admin = React.lazy(() => import("./pages/Admin")); const ForgotPassword = React.lazy(() => import("./pages/ForgotPassword")); diff --git a/src/components/Whiteboard/Canvas.tsx b/src/components/Whiteboard/Canvas.tsx index 677cde97..39beb779 100644 --- a/src/components/Whiteboard/Canvas.tsx +++ b/src/components/Whiteboard/Canvas.tsx @@ -3,6 +3,8 @@ import { useCallback, useEffect, useRef, useState } from "react"; import { supabase } from "@/integrations/supabase/client"; import { useAuth } from "@/contexts/useAuth"; import { toast } from "sonner"; +import { Download, FileText } from "lucide-react"; +import { exportCanvasToPNG, exportCanvasToPDF } from "./exportUtils"; import { Point, ToolType, @@ -480,12 +482,42 @@ export default function Canvas({ roomId }: Props) { }); }; + const handleExportPNG = () => { + if (!canvasRef.current) { + toast.error("Canvas is not ready for export."); + return; + } + try { + const filename = `whiteboard-${roomId || "export"}-${Date.now()}.png`; + exportCanvasToPNG(canvasRef.current, filename); + toast.success("Whiteboard exported as PNG"); + } catch (error) { + console.error("Failed to export PNG:", error); + toast.error("Failed to export whiteboard as PNG."); + } + }; + + const handleExportPDF = () => { + if (!canvasRef.current) { + toast.error("Canvas is not ready for export."); + return; + } + try { + const filename = `whiteboard-${roomId || "export"}-${Date.now()}.pdf`; + exportCanvasToPDF(canvasRef.current, filename); + toast.success("Whiteboard exported as PDF"); + } catch (error) { + console.error("Failed to export PDF:", error); + toast.error("Failed to export whiteboard as PDF."); + } + }; + return (
-
+
+