From 9052559f434349d42d7802f36be0863d8d7e304d Mon Sep 17 00:00:00 2001
From: "Libor M." <liborm85@gmail.com>
Date: Wed, 6 Nov 2024 16:06:16 +0100
Subject: [PATCH] fixed aspect ratio for image with exif orientation tag #2316

---
 CHANGELOG.md        |  4 ++++
 src/imageMeasure.js | 11 ++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84ba862f7..46733ce16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+- Fixed aspect ratio for image with exif orientation tag
+
 ## 0.2.15 - 2024-11-02
 
 - Added support PDF/A and PDF/UA (see [documentation](https://pdfmake.github.io/docs/0.1/document-definition-object/pdfa/))
diff --git a/src/imageMeasure.js b/src/imageMeasure.js
index 5ad647be9..034385d00 100644
--- a/src/imageMeasure.js
+++ b/src/imageMeasure.js
@@ -26,7 +26,16 @@ ImageMeasure.prototype.measureImage = function (src) {
 		image = this.pdfKitDoc._imageRegistry[src];
 	}
 
-	return { width: image.width, height: image.height };
+	var imageSize = { width: image.width, height: image.height };
+
+	if (typeof image === 'object' && image.constructor.name === 'JPEG') {
+		// If EXIF orientation calls for it, swap width and height
+		if (image.orientation > 4) {
+			imageSize = { width: image.height, height: image.width };
+		}
+	}
+
+	return imageSize;
 
 	function realImageSrc(src) {
 		var img = that.imageDictionary[src];