fix: invalid reference png (#1120)

Author: KuznetsovRoman

package-lock.json

@@ -94,7 +94,7 @@
     "load-esm": "1.0.2",
     "local-pkg": "0.4.3",
     "lodash": "4.17.21",
-    "looks-same": "10.0.0",
+    "looks-same": "10.0.1",
     "micromatch": "4.0.5",
     "mocha": "10.2.0",
     "pirates": "4.0.7",

package.json

@@ -109,7 +109,7 @@ export class Image {
             sourceOffset += bytesToIterate;
         }
 
-        this._imgData = Buffer.from(imgData.buffer, 0, bufferPointer);
+        this._imgData = imgData.subarray(0, bufferPointer);
         this._width = rect.width;
         this._height = rect.height;
     }

src/image.ts

@@ -53,20 +53,20 @@ export const convertRgbaToPng = (rgba: Buffer, width: number, height: number, co
     pointer = resultBuffer.writeUInt8(PNG_COMPRESSION_DEFLATE, pointer);
     pointer = resultBuffer.writeUInt8(PNG_FILTER_NO_FILTER, pointer);
     pointer = resultBuffer.writeUInt8(PNG_INTERLACE_NO_INTERLACE, pointer);
-    const ihdrCrc = crc32(Buffer.from(resultBuffer.buffer, ihdrPointer, pointer - ihdrPointer));
+    const ihdrCrc = crc32(resultBuffer.subarray(ihdrPointer, pointer));
     pointer = resultBuffer.writeUInt32BE(ihdrCrc, pointer);
 
     // IDAT
     const idatPointer = (pointer = resultBuffer.writeUInt32BE(compressedData.length, pointer));
     pointer += resultBuffer.write("IDAT", idatPointer, "ascii");
     pointer += compressedData.copy(resultBuffer, pointer);
-    const idatCrc = crc32(Buffer.from(resultBuffer.buffer, idatPointer, pointer - idatPointer));
+    const idatCrc = crc32(resultBuffer.subarray(idatPointer, pointer));
     pointer = resultBuffer.writeUInt32BE(idatCrc, pointer);
 
     // IEND (empty)
     const iendPointer = (pointer = resultBuffer.writeUInt32BE(0, pointer));
     pointer += resultBuffer.write("IEND", pointer, "ascii");
-    const iendCrc = crc32(Buffer.from(resultBuffer.buffer, iendPointer, pointer - iendPointer));
+    const iendCrc = crc32(resultBuffer.subarray(iendPointer, pointer));
     pointer = resultBuffer.writeUInt32BE(iendCrc, pointer);
 
     if (pointer !== resultBuffer.byteLength) {