From 25bc47ae813862de5766447a799fc947b05a555c Mon Sep 17 00:00:00 2001
From: luoliangyi <87842688@qq.com>
Date: Mon, 10 Oct 2022 16:35:36 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3tiff=E6=8C=89jpeg=E5=8E=8B?=
 =?UTF-8?q?=E7=BC=A9=E6=97=B6=E6=96=87=E4=BB=B6=E5=A4=AA=E5=A4=A7=E7=9A=84?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
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---
 modules/imgfmt/HGTiff.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/modules/imgfmt/HGTiff.cpp b/modules/imgfmt/HGTiff.cpp
index acb9be80..b194a51a 100644
--- a/modules/imgfmt/HGTiff.cpp
+++ b/modules/imgfmt/HGTiff.cpp
@@ -338,6 +338,12 @@ HGResult HGAPI HGImgFmt_SaveImageToTiffWriter(HGTiffWriter writer, HGImage image
 		TIFFSetField(tif, TIFFTAG_RESOLUTIONUNIT, info->resolutionUnit);
 		TIFFSetField(tif, TIFFTAG_XRESOLUTION, info->xResolution);
 		TIFFSetField(tif, TIFFTAG_YRESOLUTION, info->yResolution);
+
+		if (info->compression == HGIMGFMT_TIFFCOMP_JPEG)
+		{
+			TIFFSetField(tif, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);
+			TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR);
+		}
 	}
 	else
 	{