From fcd6ea91217da711e5678c9ed47dc3085e6ec633 Mon Sep 17 00:00:00 2001
From: gb <741021719@qq.com>
Date: Tue, 26 Dec 2023 17:24:04 +0800
Subject: [PATCH] =?UTF-8?q?BITMAPINFOHEADER::biClrUsed=E5=80=BC=EF=BC=8C?=
 =?UTF-8?q?=E5=9C=A8=E6=9F=90=E4=BA=9BAPP=EF=BC=88=E5=A6=82=E5=85=89?=
 =?UTF-8?q?=E5=A4=A7=EF=BC=89=E4=B8=AD=E9=9C=80=E8=A6=81=E6=8C=87=E5=AE=9A?=
 =?UTF-8?q?=E7=94=A8=E4=BB=A5=E8=A1=A8=E6=98=8E=E8=B0=83=E8=89=B2=E6=9D=BF?=
 =?UTF-8?q?=E9=A2=9C=E8=89=B2=E6=95=B0=E9=87=8F?=
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---
 sane/scanned_img.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sane/scanned_img.cpp b/sane/scanned_img.cpp
index 69e093b..fa4c22a 100644
--- a/sane/scanned_img.cpp
+++ b/sane/scanned_img.cpp
@@ -469,6 +469,7 @@ std::string scanned_img::file_header(SANE_ImageType type, float resolution)
 			pal_size = 2 * sizeof(int);
 		else if (bih.biBitCount == 8)
 			pal_size = 256 * sizeof(int);
+		bih.biClrUsed = pal_size / sizeof(int);			// some APP (PJScanner.exe ¹â´ó¡­¡­) use this field to calculate pallete
 
 		{
 			BITMAPFILEHEADER	fh = { 0 };