From 1adfcdbba07f23f0d1018af82de9787d1126fea0 Mon Sep 17 00:00:00 2001
From: qbnu <93988953+qbnu@users.noreply.github.com>
Date: Sun, 18 Jun 2023 03:17:12 -0400
Subject: [PATCH] return NULL if thumbnail requested but not jpeg

---
 src/JPEGView/RAWWrapper.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/JPEGView/RAWWrapper.cpp b/src/JPEGView/RAWWrapper.cpp
index 8bead329..6b6df67a 100644
--- a/src/JPEGView/RAWWrapper.cpp
+++ b/src/JPEGView/RAWWrapper.cpp
@@ -18,7 +18,7 @@ CJPEGImage* RawReader::ReadImage(LPCTSTR strFileName, bool& bOutOfMemory, bool b
 	int width, height, colors, bps;
 	
 	CJPEGImage* Image = NULL;
-	if (!bGetThumb || !RawProcessor.is_jpeg_thumb()) {
+	if (!bGetThumb) {
 		RawProcessor.get_mem_image_format(&width, &height, &colors, &bps);
 		if (bps != 8) {
 			int j = 2;
@@ -57,7 +57,7 @@ CJPEGImage* RawReader::ReadImage(LPCTSTR strFileName, bool& bOutOfMemory, bool b
 
 		if (pPixelData)
 			Image = new CJPEGImage(width, height, pPixelData, NULL, colors, 0, IF_CameraRAW, false, 0, 1, 0, NULL, false, metadata);
-	} else {
+	} else if (RawProcessor.is_jpeg_thumb()) {
 		TJSAMP eChromoSubSampling;
 		if (RawProcessor.unpack_thumb() != LIBRAW_SUCCESS) {
 			RawProcessor.free_image();