repos_ecs/其他2015后/SpecialFx(水与火的效果)/SpecialFx/SpecialFxDlg.cpp

// SpecialFxDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "SpecialFx.h"
#include "SpecialFxDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// CSpecialFxDlg 对话框

CSpecialFxDlg::CSpecialFxDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSpecialFxDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	m_bStop = FALSE;
}

void CSpecialFxDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_CHECKWATER, m_chkWater);
	DDX_Control(pDX, IDC_CHECKFIRE, m_chkFire);
	DDX_Control(pDX, IDC_CHECKPLASMA, m_chkPlasma);
	DDX_Control(pDX, IDC_SLIDERFIREALPHA, m_sldrFire);
	DDX_Control(pDX, IDC_SLIDERPLASMAALPHA, m_sldrPlasma);
}

BEGIN_MESSAGE_MAP(CSpecialFxDlg, CDialog)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_CHECKWATER, OnBnClickedCheckwater)
	ON_BN_CLICKED(IDC_CHECKFIRE, OnBnClickedCheckfire)
	ON_BN_CLICKED(IDC_CHECKPLASMA, OnBnClickedCheckplasma)
	ON_BN_CLICKED(IDC_BUTTONANIMATE, OnBnClickedButtonanimate)
	ON_BN_CLICKED(IDC_BUTTONSTOP, OnBnClickedButtonstop)
	ON_NOTIFY(NM_CUSTOMDRAW, IDC_SLIDERFIREALPHA, OnNMCustomdrawSliderfirealpha)
	ON_NOTIFY(NM_CUSTOMDRAW, IDC_SLIDERPLASMAALPHA, OnNMCustomdrawSliderplasmaalpha)
END_MESSAGE_MAP()


// CSpecialFxDlg 消息处理程序

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

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO: 在此添加额外的初始化代码
	/************************************************************************/
	CPictureHolder myTmpPicture;
	myTmpPicture.CreateFromBitmap(IDB_CODEPROJECTBMP);
	m_bmpRenderSource.Create32BitFromPicture(&myTmpPicture,402,120);
	m_bmpRenderTarget.Create32BitFromPicture(&myTmpPicture,402,120);
	//	m_bmpRenderTarget.SetBitmap(IDB_CODEPROJECTBMP);// will be overwritten....

	// create water object
	m_myWater.Create(402,120);
	// come on baby light my fire.. (ok create our fire object)
	m_myFire.m_iAlpha = 30;// want a 30% alpha
	m_myFire.m_iHeight = 120;
	m_myFire.m_iWidth = 402;
	m_myFire.InitFire();
	m_sldrFire.SetRange(1,100,TRUE);
	m_sldrFire.SetPos(30);
	// finally the plasma
	m_myPlasma.Create(402,120);
	m_myPlasma.m_iAlpha = 30;// 30 % alpha
	m_sldrPlasma.SetRange(1,100,TRUE);
	m_sldrPlasma.SetPos(30);

	// set up the check boxes and our booleans
	m_bRunWater = TRUE;
	m_bRunFire = FALSE;
	m_bRunPlasma = FALSE;
	m_chkWater.SetCheck(TRUE);
	/************************************************************************/
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CSpecialFxDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文
		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		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;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CPaintDC dc(this);
		CPoint ptOrigin(15,20);
		m_bmpRenderTarget.Draw(&dc,ptOrigin);

		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CSpecialFxDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CSpecialFxDlg::OnMouseMove(UINT nFlags, CPoint point)
{
	// see if its in our picture...
	//	ScreenToClient(&point);
	if ( m_bStop )
		return;

	CRect rcPicture;
	rcPicture.left = 15;
	rcPicture.top = 20;
	rcPicture.right = rcPicture.left + m_bmpRenderSource.GetWidth();
	rcPicture.bottom = rcPicture.top + m_bmpRenderSource.GetHeight();

	if(rcPicture.PtInRect(point) == TRUE)
	{
		// since dibs are drawn upside down we need to flip the y position (for it to look right)
		point.y -= 20;// offset from top of screen to image..
		point.y = 120-point.y;

		m_myWater.HeightBlob(point.x -15,point.y,5,50,m_myWater.m_iHpage);
	}

	CDialog::OnMouseMove(nFlags, point);
}

void CSpecialFxDlg::OnLButtonDown(UINT nFlags, CPoint point)
{
	if ( m_bStop )
		return;

	CRect rcPicture;
	rcPicture.left = 15;
	rcPicture.top = 20;
	rcPicture.right = rcPicture.left + m_bmpRenderSource.GetWidth();
	rcPicture.bottom = rcPicture.top + m_bmpRenderSource.GetHeight();

	if(rcPicture.PtInRect(point) == TRUE)
	{
		// since dibs are drawn upside down we need to flip the y position (for it to look right)
		point.y -= 20;// offset from top of screen to image..
		point.y = 120-point.y;

		// ;
		m_myWater.HeightBlob(point.x-15,point.y,50,500,m_myWater.m_iHpage);
	}

	CDialog::OnLButtonDown(nFlags, point);
}

// 如何使波纹不在OnTimer内实现;
void CSpecialFxDlg::OnTimer(UINT nIDEvent)
{
	if(nIDEvent == 1971)
	{		
// 		if ( m_bStop )
// 			return;

		if(!m_bRunWater)
			m_myWater.FlattenWater();// flatten it so it appears we turned it off...

		m_myWater.Render((DWORD*)m_bmpRenderSource.GetDIBits(),(DWORD*)m_bmpRenderTarget.GetDIBits());

		if(m_bRunFire)
			m_myFire.Render((DWORD*)m_bmpRenderTarget.GetDIBits(),402,120);

		if(m_bRunPlasma)
			m_myPlasma.Render((DWORD*)m_bmpRenderTarget.GetDIBits(),402,120,402);

		CClientDC dc(this);
		CPoint ptOrigin(15,20);
		m_bmpRenderTarget.Draw(&dc,ptOrigin);
	}

	CDialog::OnTimer(nIDEvent);
}

void CSpecialFxDlg::OnBnClickedCheckwater()
{
	m_bRunWater = m_chkWater.GetCheck();
}

void CSpecialFxDlg::OnBnClickedCheckfire()
{
	m_bRunFire = m_chkFire.GetCheck();
}

void CSpecialFxDlg::OnBnClickedCheckplasma()
{
	m_bRunPlasma = m_chkPlasma.GetCheck();
}

void CSpecialFxDlg::OnBnClickedButtonanimate()
{
	m_nTimer = SetTimer(1971,5,NULL);
	m_bStop = FALSE;
}

void CSpecialFxDlg::OnBnClickedButtonstop()
{
	m_bStop = TRUE;
	//KillTimer(m_nTimer);
}

void CSpecialFxDlg::OnNMCustomdrawSliderfirealpha(NMHDR *pNMHDR, LRESULT *pResult)
{
	LPNMCUSTOMDRAW pNMCD = reinterpret_cast<LPNMCUSTOMDRAW>(pNMHDR);
	m_myFire.m_iAlpha = m_sldrFire.GetPos();
	*pResult = 0;
}

void CSpecialFxDlg::OnNMCustomdrawSliderplasmaalpha(NMHDR *pNMHDR, LRESULT *pResult)
{
	LPNMCUSTOMDRAW pNMCD = reinterpret_cast<LPNMCUSTOMDRAW>(pNMHDR);
	m_myPlasma.m_iAlpha = m_sldrPlasma.GetPos();
	*pResult = 0;
}

// 
// 内存泄漏,在KillTimer后,m_bmpRenderTarget 
// 和 m_bmpRenderSource仍在活动;
// 内存DC一块没有清除完全;

BOOL CSpecialFxDlg::DestroyWindow()
{
	m_bStop = TRUE;
	KillTimer(m_nTimer);
	Sleep(500);

#if 1
	m_myWater.~CWaterRoutine();
	m_myFire.~CFireRoutine();
	m_myPlasma.~CPlasmaRoutine();
#endif


	m_bmpRenderTarget.DeleteObject();
	m_bmpRenderSource.DeleteObject();

		return CDialog::DestroyWindow();
}