testtwain.cpp

又VC＋＋实现的基于TWAIN的扫描仪图像输入处理软件

// TestTWAIN.cpp : implementation file
#include "stdafx.h"
#include "source10.h"
#include "TestTWAIN.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTestTWAIN dialog
CTestTWAIN::CTestTWAIN(CWnd* pParent /*=NULL*/)
	: CDialog(CTestTWAIN::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestTWAIN)
	m_nHeight = 0;
	m_nWidth = 0;
	m_sSize = _T("");
	//}}AFX_DATA_INIT
}


void CTestTWAIN::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestTWAIN)
	DDX_Text(pDX, IDC_EDIT_HEIGHT, m_nHeight);
	DDX_Text(pDX, IDC_EDIT_WIDTH, m_nWidth);
	DDX_Text(pDX, IDC_IMAGE_SIZE, m_sSize);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CTestTWAIN, CDialog)
	//{{AFX_MSG_MAP(CTestTWAIN)
	ON_EN_CHANGE(IDC_EDIT_HEIGHT, OnChangeEditHeight)
	ON_EN_CHANGE(IDC_EDIT_WIDTH, OnChangeEditWidth)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestTWAIN message handlers

void CTestTWAIN::OnChangeEditHeight() 
{
	char info[50];

	UpdateData(TRUE);
	sprintf(info,"%d,%d",m_nHeight*m_nWidth*3/1024/1024,m_nHeight*m_nWidth*3/1024);
	SetDlgItemText(IDC_IMAGE_SIZE,info);
	
}

void CTestTWAIN::OnChangeEditWidth() 
{
	char info[50];

	UpdateData(TRUE);
	sprintf(info,"%d,%d",m_nHeight*m_nWidth*3/1024/1024,m_nHeight*m_nWidth*3/1024);
	SetDlgItemText(IDC_IMAGE_SIZE,info);

	
}