From 9ca3dd36aa9f5336db44650493191826b3d281fa Mon Sep 17 00:00:00 2001
From: "jing-sheng.huang" <jing-sheng.huang@leica-geosystems.com.cn>
Date: Tue, 18 Oct 2022 14:33:50 +0800
Subject: [PATCH] Add header

---
 cpp/QrCodeGeneratorDemo.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/cpp/QrCodeGeneratorDemo.cpp b/cpp/QrCodeGeneratorDemo.cpp
index b64bf5e..d94230f 100644
--- a/cpp/QrCodeGeneratorDemo.cpp
+++ b/cpp/QrCodeGeneratorDemo.cpp
@@ -38,6 +38,34 @@ using std::uint8_t;
 using qrcodegen::QrCode;
 using qrcodegen::QrSegment;
 
+#pragma pack(2)// need this, otherwise cant get correct result of sizeof
+
+typedef unsigned char  BYTE;
+typedef unsigned short WORD;
+typedef unsigned long  DWORD;
+typedef long    LONG;
+typedef struct {
+    WORD    bfType;
+    DWORD   bfSize;
+    WORD    bfReserved1;
+    WORD    bfReserved2;
+    DWORD   bfOffBits;
+} BITMAPFILEHEADER;
+
+typedef struct {
+    DWORD      biSize;
+    LONG       biWidth;
+    LONG       biHeight;
+    WORD       biPlanes;
+    WORD       biBitCount;
+    DWORD      biCompression;
+    DWORD      biSizeImage;
+    LONG       biXPelsPerMeter;
+    LONG       biYPelsPerMeter;
+    DWORD      biClrUsed;
+    DWORD      biClrImportant;
+} BITMAPINFOHEADER;
+
 
 // Function prototypes
 static void doBasicDemo();