brushdlg.cpp

MFC程序开发参考大全 【明日科技】宋坤 刘锐宁 李伟明 【丛 书 名】 软件工程师典藏 【出 版 社】 人民邮电出版社 本书详细介绍了MFC框架中所有常用类及控件的应用

// BrushDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Brush.h"
#include "BrushDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBrushDlg dialog

CBrushDlg::CBrushDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBrushDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBrushDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CBrushDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBrushDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBrushDlg, CDialog)
	//{{AFX_MSG_MAP(CBrushDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBrushDlg message handlers

BOOL CBrushDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CBrushDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CBrushDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		//BS_DIBPATTERN
		//BS_DIBPATTERN8X8
		//BS_DIBPATTERNPT
		//BS_HATCHED
		//BS_HOLLOW
		//BS_NULL
		//BS_PATTERN
		//BS_PATTERN8X8
		//BS_SOLID
		//HS_BDIAGONAL
		//HS_CROSS
		//HS_DIAGCROSS
		//HS_FDIAGONAL
		//HS_HORIZONTAL
		//HS_VERTICAL
		CPaintDC dc(this);
		dc.SetBkMode(TRANSPARENT);
		CFont font;
		font.CreatePointFont(80,"Courier New");
		dc.SelectObject(&font);

		CBrush br,*oldbr;
		br.CreateSolidBrush(RGB(255,0,0));
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(10,10,110,110);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(10,110,"单色刷子");

		br.CreateHatchBrush(HS_CROSS,RGB(255,0,0));
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(120,10,220,110);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(120,110,"HS_CROSS");

		br.CreateHatchBrush(HS_DIAGCROSS,RGB(255,0,0));
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(230,10,330,110);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(230,110,"HS_DIAGCROSS");

		br.CreateHatchBrush(HS_FDIAGONAL,RGB(255,0,0));
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(340,10,440,110);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(340,110,"HS_FDIAGONAL");

		br.CreateHatchBrush(HS_HORIZONTAL,RGB(255,0,0));
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(10,120,110,220);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(10,220,"HS_HORIZONTAL");

		br.CreateHatchBrush(HS_VERTICAL,RGB(255,0,0));
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(120,120,220,220);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(120,220,"HS_VERTICAL");

		br.CreateHatchBrush(HS_BDIAGONAL,RGB(255,0,0));
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(230,120,330,220);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(230,220,"HS_BDIAGONAL");
		
		bmp.bmiHeader.biSize=sizeof(bmp.bmiHeader);
		bmp.bmiHeader.biBitCount=0;
		HBITMAP hbmp=(HBITMAP)LoadImage(::AfxGetResourceHandle(),"mr.bmp",IMAGE_BITMAP,0,
			0,LR_DEFAULTCOLOR|LR_LOADFROMFILE);
		GetDIBits(dc.GetSafeHdc(),hbmp,1,1,NULL,&bmp,DIB_RGB_COLORS);
		
		//压缩的设备无关位图（DIB）指BITMAPINFO及后面的位图象素字节
		pbmpheader=(long*)malloc(bmp.bmiHeader.biSizeImage+sizeof(BITMAPINFO));
		pbmpinfo=(BITMAPINFO*)pbmpheader;
			pbmpdata=pbmpheader+sizeof(BITMAPINFO);
		memcpy(pbmpheader,(const void*)&bmp,sizeof(BITMAPINFOHEADER));
		GetDIBits(dc.GetSafeHdc(),hbmp,1,pbmpinfo->bmiHeader.biHeight,pbmpdata,
			pbmpinfo,DIB_RGB_COLORS);

		LOGBRUSH logbrush;
		logbrush.lbColor=DIB_RGB_COLORS;
		logbrush.lbHatch=(LONG)pbmpheader;
		//memcpy(&(logbrush.lbHatch),pbmpheader,sizeof(long));
		logbrush.lbStyle=BS_DIBPATTERNPT;
		br.CreateBrushIndirect(&logbrush);
		oldbr=dc.SelectObject(&br);
		dc.Rectangle(340,120,440,220);
		dc.SelectObject(oldbr);
		br.DeleteObject();
		dc.TextOut(340,220,"LOGBRUSH");

		//free(pbmpheader);
		//free(pbmpinfo);
		//free(pbmpdata);
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CBrushDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}