smig/excalidraw
1
0
Fork 0
mirror of https://github.com/excalidraw/excalidraw.git synced 2025-05-03 10:00:07 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

minor changes and import buffer

Browse source
This commit is contained in:
Gabriel Gomes 2025-03-31 00:48:48 +01:00
parent 6ee38ad826
commit a89f353f5b
3 changed files with 10 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

10
packages/excalidraw/data/image.ts
View file

@ -1,5 +1,5 @@
import tEXt from "png-chunk-text"; import tEXt from "png-chunk-text";
import { encodeSync, decodeSync} from "png-chunk-itxt"; import * as iTXt from "png-chunk-itxt";
import encodePng from "png-chunks-encode"; import encodePng from "png-chunks-encode";
import decodePng from "png-chunks-extract"; import decodePng from "png-chunks-extract";
@ -28,7 +28,7 @@ export const getMetadataChunk = async (
if (iTXtChunk) { if (iTXtChunk) {
try { try {
const decoded = decodeSync(iTXtChunk.data); const decoded = iTXt.decodeSync(iTXtChunk.data);
console.log("Decoded iTXt chunk:", decoded); console.log("Decoded iTXt chunk:", decoded);
return { return {
keyword: decoded.keyword, keyword: decoded.keyword,
@ -61,13 +61,13 @@ export const encodePngMetadata = async ({
useITXt?: boolean; useITXt?: boolean;
}) => { }) => {
const chunks = decodePng(new Uint8Array(await blobToArrayBuffer(blob))); const chunks = decodePng(new Uint8Array(await blobToArrayBuffer(blob)));
debugger;
const filteredChunks = chunks.filter( const filteredChunks = chunks.filter(
(chunk) => (chunk) =>
!(chunk.name === "tEXt" && !(chunk.name === "tEXt" &&
tEXt.decode(chunk.data).keyword === MIME_TYPES.excalidraw) && tEXt.decode(chunk.data).keyword === MIME_TYPES.excalidraw) &&
!(chunk.name === "iTXt" && !(chunk.name === "iTXt" &&
decodeSync(chunk.data).keyword === MIME_TYPES.excalidraw) iTXt.decodeSync(chunk.data).keyword === MIME_TYPES.excalidraw)
); );
const encodedData = JSON.stringify( const encodedData = JSON.stringify(
@ -80,7 +80,7 @@ export const encodePngMetadata = async ({
let metadataChunk; let metadataChunk;
try { try {
if (useITXt) { if (useITXt) {
metadataChunk = encodeSync( metadataChunk = iTXt.encodeSync(
MIME_TYPES.excalidraw, MIME_TYPES.excalidraw,
encodedData, encodedData,
{ {

1
packages/excalidraw/global.d.ts vendored
View file

@ -56,7 +56,6 @@ declare module "png-chunk-itxt" {
language?: string; language?: string;
translated?: string; translated?: string;
}; };
export { encodeSync, decodeSync };
} }
declare module "png-chunks-encode" { declare module "png-chunks-encode" {
function encode(chunks: (TEXtChunk | ITXtChunk)[]): Uint8Array; function encode(chunks: (TEXtChunk | ITXtChunk)[]): Uint8Array;

5
packages/utils/src/export.ts
View file

@ -19,6 +19,11 @@ import type {
NonDeleted, NonDeleted,
} from "@excalidraw/element/types"; } from "@excalidraw/element/types";
import type { AppState, BinaryFiles } from "@excalidraw/excalidraw/types"; import type { AppState, BinaryFiles } from "@excalidraw/excalidraw/types";
import { Buffer } from "buffer";
window.onload = () => {
window.Buffer = Buffer;
}
export { MIME_TYPES }; export { MIME_TYPES };