From 64d1e9b2ecdbb2086d3fdaad8c9cddc5b2822358 Mon Sep 17 00:00:00 2001
From: gb <741021719@qq.com>
Date: Thu, 20 Oct 2022 14:27:24 +0800
Subject: [PATCH] =?UTF-8?q?tiff=E4=B8=8EGROUP4=E7=BB=84=E5=90=88=E6=97=B6?=
 =?UTF-8?q?=EF=BC=8C=E9=BB=91=E7=99=BD=E5=9B=BE=E5=83=8F=E4=B8=8D=E5=8F=8D?=
 =?UTF-8?q?=E8=89=B2?=
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---
 hgdriver/hgdev/image_process.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index d046c41..a9c7f99 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -1443,7 +1443,7 @@ namespace hg_imgproc
 		bool	tiff = conv->dst.fmt.img_format == SANE_IMAGE_TYPE_TIFF;
 		int		resolution = bih.biXPelsPerMeter / 39.37f + .5f,
 				threshold = (int)(long)conv->dst.fmt.compress.detail;
-		cv::Mat imsg = from_bmp_file_bits(bih, data->data(), tiff || conv->dst.fmt.img_format == SANE_IMAGE_TYPE_JFIF, tiff);
+		cv::Mat imsg = from_bmp_file_bits(bih, data->data(), tiff || conv->dst.fmt.img_format == SANE_IMAGE_TYPE_JFIF, tiff && conv->dst.fmt.compress.compression != SANE_COMPRESSION_GROUP4);
 		data.reset();
 		if (tiff)
 		{