image-size - npm Package Compare versions

Comparing version 0.7.3 to 0.7.4

lib/types/jpg.js

		@@ -31,2 +31,3 @@ 'use strict';
		var BIG_ENDIAN_BYTE_ALIGN = '4d4d';
		var LITTLE_ENDIAN_BYTE_ALIGN = '4949';

		@@ -37,3 +38,3 @@ // Each entry is exactly 12 bytes

		function extractOrientation (buffer, i) {
		function validateExifBlock (buffer, i) {
		// Skip APP1 Data Size
		@@ -44,4 +45,13 @@ var exifBlock = buffer.slice(APP1_DATA_SIZE_BYTES, i);
		var byteAlign = exifBlock.toString('hex', EXIF_HEADER_BYTES, EXIF_HEADER_BYTES + TIFF_BYTE_ALIGN_BYTES);
		var bigEndian = byteAlign === BIG_ENDIAN_BYTE_ALIGN;

		// Ignore Empty EXIF. Validate byte alignment
		var isBigEndian = byteAlign === BIG_ENDIAN_BYTE_ALIGN;
		var isLittleEndian = byteAlign === LITTLE_ENDIAN_BYTE_ALIGN;

		if (isBigEndian \|\| isLittleEndian) {
		return extractOrientation(exifBlock, isBigEndian);
		}
		}

		function extractOrientation (exifBlock, isBigEndian) {
		// TODO: assert that this contains 0x002A
		@@ -58,3 +68,3 @@ // var STATIC_MOTOROLA_TIFF_HEADER_BYTES = 2;

		var idfDirectoryEntries = readUInt(exifBlock, 16, offset, bigEndian);
		var idfDirectoryEntries = readUInt(exifBlock, 16, offset, isBigEndian);

		@@ -68,7 +78,7 @@ var start;
		var block = exifBlock.slice(start, end);
		var tagNumber = readUInt(block, 16, 0, bigEndian);
		var tagNumber = readUInt(block, 16, 0, isBigEndian);

		// 0x0112 (decimal: 274) is the `orientation` tag ID
		if (tagNumber === 274) {
		var dataFormat = readUInt(block, 16, 2, bigEndian);
		var dataFormat = readUInt(block, 16, 2, isBigEndian);
		if (dataFormat !== 3) {
		@@ -80,3 +90,3 @@ return;
		// if there would more than 4 bytes in total it's a pointer
		var numberOfComponents = readUInt(block, 32, 4, bigEndian);
		var numberOfComponents = readUInt(block, 32, 4, isBigEndian);
		if (numberOfComponents !== 1) {
		@@ -86,5 +96,3 @@ return;

		var orientation = readUInt(block, 16, 8, bigEndian);

		return orientation;
		return readUInt(block, 16, 8, isBigEndian);
		}
		@@ -116,5 +124,4 @@ }


		if (isEXIF(buffer)) {
		orientation = extractOrientation(buffer, i);
		orientation = validateExifBlock(buffer, i);
		}
		@@ -121,0 +128,0 @@

package.json

		{
		"name": "image-size",
		"version": "0.7.3",
		"version": "0.7.4",
		"description": "get dimensions of any image file",
		@@ -48,6 +48,6 @@ "main": "lib/index.js",
		"glob": "7.1.3",
		"mocha": "6.0.2",
		"nyc": "13.3.0",
		"sinon": "7.3.1"
		"mocha": "6.1.4",
		"nyc": "14.0.0",
		"sinon": "7.3.2"
		}
		}

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