// 別給我框框Dlg.cpp : implementation file
/*
[學VC、編游戲]
編著、程序設計：唐明理 2004.7
E-mail:  cqtml@163.com
*/

#include "stdafx.h"
#include "別給我框框.h"
#include "別給我框框Dlg.h"

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

HBITMAP bit;
HDC		MemDC;
HDC		DCBak;
int		w,h;
CString dir;
CString cc;	
char	appdir[256];
CRect	rect;	
int		js;	
int		fw;	
int		m0;	
int		m1;	
int		p;	

BOOL getpic(CString cc,int p);
BOOL loadbmp(CString cc);
void TransparentBlt2( HDC hdc0,	
					int nX0,int nY0,
					int nW0,int nH0,
					HDC hdc1,
					int nX1,int nY1,
					int nW1,int nH1,
					UINT Tcol
					);
/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

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

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

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

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	cc="\r\n    這是《學VC、編游戲》的第三個示例：\r\n\r\n";
	cc+="    在這一章我們使用了以下知識、技術\r\n\r\n";
	cc+="1、 邏輯與運算 0*0=0;0*1=0;1*0=0;1*1=1。 \r\n";
	cc+="    見0為0; 全1為1。0乘任何數都是0，1乘任何數都不變。\r\n";
	cc+="2、 邏輯或運算 0+0=0;0+1=1;1+0=1;1+1=1。 \r\n";
	cc+="    見1為1; 全0為0。0加任何數都不變，1加任何數都是1。\r\n";
	cc+="3、 學習利用位圖拷貝BitBlt()的邏輯運算生成透明位圖的方法。\r\n";
	cc+="4、 介紹刷屏和一個最簡單的刷屏方法。\r\n";
	cc+="5、 介紹了VC的編譯模式的設置方法。\r\n\r\n";
	cc+="重點：透明位圖的原理和生成方法。\r\n\r\n";
	cc+="編著、程序設計：唐明理 2004.7\r\n";
	cc+="E-mail:  cqtml@163.com\r\n";
	SetDlgItemText(IDC_EDIT1,cc);
 
	MoveWindow(0,0,640,480);
	CenterWindow();
	GetDlgItem(IDOK)->MoveWindow(640-60,0,55,18,TRUE);

	MemDC =CreateCompatibleDC(0);
	DCBak =CreateCompatibleDC(0);

	js=0;	
	fw=0;	
	m0=js*400+fw*4;	
	m1=(js+1)*400-1;
	p=m0;

	GetCurrentDirectory(256,appdir);
	dir=appdir;
	if(dir.Right(8)=="運行程序")
			dir="圖片/";
	else	
		dir="../運行程序/圖片/";

	loadbmp(dir+"地面.BMP");
	SelectObject(DCBak,bit);

	SetBkMode(DCBak,TRANSPARENT);	
	SetTextColor(DCBak,RGB(255,255,255));
	cc="這才對嘛,把我捆起梆起做啥。";
	TextOut(DCBak,150,260,cc,lstrlen(cc));
	cc="對象的顯示采用了透明顯示方法，對象和底圖自然地融合在一起了";
	TextOut(DCBak,50,300,cc,lstrlen(cc));
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CMyDlg::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
	{
		CDialog::OnPaint();
	}
}

HCURSOR CMyDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMyDlg::OnOK() 
{	GetDlgItem(IDC_EDIT1)->ShowWindow(SW_HIDE);
	CClientDC dc(this);	
	GetWindowRect(rect);
	BitBlt(dc.m_hDC,0,0,rect.Width(),rect.Height(),DCBak,0,0,SRCCOPY);
	SetTimer(1,150,NULL);	
}

void CMyDlg::OnCancel()
{	DeleteDC(MemDC);
	DeleteObject(bit);
	DeleteDC(DCBak);
	CDialog::OnCancel();
}
void CMyDlg::OnTimer(UINT nIDEvent) 
{	CClientDC dc(this);
	int x=200,y=200;
	BitBlt(dc.m_hDC,x,y,100,100,DCBak,x,y,SRCCOPY);

	if(getpic("人",p)==FALSE)
			{AfxMessageBox(cc+"沒找到!");return;}
	SelectObject(MemDC,bit);
	TransparentBlt2(dc.m_hDC,x,y,w,h,MemDC,0,0,w,h,RGB(255,255,255));
	p++;
	if(p>m1) p=m0;	

	CDialog::OnTimer(nIDEvent);
}

BOOL getpic(CString cc,int p)
{	char name[256];
	SetCurrentDirectory(appdir);
	sprintf(name,"%s%s/c%05d.bmp",dir,cc,p);
	loadbmp(name);
	return TRUE;
}

BOOL loadbmp(CString cc)
{	DeleteObject(bit);
	bit=(HBITMAP)LoadImage
				(AfxGetInstanceHandle(),
				 cc,
				 IMAGE_BITMAP,
				 0,	
				 0,	
				 LR_LOADFROMFILE|LR_CREATEDIBSECTION
				);
	if(bit==NULL) return FALSE;	
	DIBSECTION ds;	
	BITMAPINFOHEADER &bm = ds.dsBmih;
	GetObject(bit,sizeof(ds),&ds);
	w = bm.biWidth;
	h = bm.biHeight;
	return TRUE;
}

void TransparentBlt2( HDC hdc0,	
					int nX0,int nY0,
					int nW0,int nH0,
					HDC hdc1,
					int nX1,int nY1,
					int nW1,int nH1,
					UINT Tcol
					)
{	HBITMAP hBMP   =CreateCompatibleBitmap(hdc0,nW0, nH0);
	HBITMAP mBMP   =CreateBitmap(nW0,nH0,1,1,NULL);	
	HDC		hDC    =CreateCompatibleDC(hdc0);
	HDC		mDC    =CreateCompatibleDC(hdc0);
	HBITMAP oldBMP =(HBITMAP)SelectObject(hDC, hBMP);
	HBITMAP oldmBMP=(HBITMAP)SelectObject(mDC, mBMP);
	if (nW0==nW1&&nH0==nH1)
		BitBlt(hDC,0,0,nW0,nH0,hdc1,nX1,nY1,SRCCOPY);
	else
		StretchBlt(hDC,0,0,nW0,nH0,hdc1,nX1,nY1,nW1,nH1,SRCCOPY);

	SetBkColor(hDC, Tcol);
	BitBlt(mDC,0,0,nW0,nH0,hDC,0,0,SRCCOPY);
	SetBkColor(hDC, RGB(0,0,0));
	SetTextColor(hDC, RGB(255,255,255));
	BitBlt(hDC,0,0,nW0,nH0,mDC,0,0,SRCAND);
	SetBkColor(hdc0,RGB(255,255,255));
	SetTextColor(hdc0,RGB(0,0,0));

	BitBlt(hdc0,nX0,nY0,nW0,nH0,mDC,0,0,SRCAND);
	BitBlt(hdc0,nX0,nY0,nW0,nH0,hDC,0,0,SRCPAINT);

	SelectObject(hDC, oldBMP);				
	DeleteDC(hDC);
	SelectObject(mDC, oldmBMP);
	DeleteDC(mDC);
	DeleteObject(hBMP);
	DeleteObject(mBMP);
}