directface.cpp

类似于股市K线技术分析的系统源码

// DirectFace.cpp: implementation of the CDirectFace class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "LastProject.h"
#include "DirectFace.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CDirectFace::CDirectFace()
{
	m_lpDDraw7 = NULL;
	m_lpPSur = NULL;
	for(int i=0;i<4;i++) m_lpLayer[i] = NULL;
	m_FramePen.CreatePen(PS_SOLID,3,RGB(0,170,0));
	m_flash.LoadBitmap(IDB_FLASH);

	m_RedPen.CreatePen(PS_SOLID,1,RGB(255,0,0));
	m_GreenPen.CreatePen(PS_SOLID,1,RGB(0,255,0));
	m_YellowPen.CreatePen(PS_SOLID,1,RGB(255,255,0));

	m_RedBarPen.CreatePen(PS_SOLID,1,RGB(170,0,0));
	m_GreenBarPen.CreatePen(PS_SOLID,1,RGB(0,170,0));
	m_YellowBarPen.CreatePen(PS_SOLID,1,RGB(150,170,0));

	m_RedBarBrush.CreateSolidBrush(RGB(170,0,0));
	m_GreenBarBrush.CreateSolidBrush(RGB(0,170,0));
	m_YellowBarBrush.CreateSolidBrush(RGB(170,170,0));


	m_GrayPen.CreatePen(PS_SOLID,1,RGB(170,170,170));
	m_WhitePen.CreatePen(PS_SOLID,1,RGB(255,255,255));


	m_XFont.CreateFont(
	   12,                        // nHeight
	   0,                         // nWidth
	   0,                         // nEscapement
	   0,                         // nOrientation
	   FW_NORMAL,                 // nWeight
	   FALSE,                     // bItalic
	   FALSE,                     // bUnderline
	   0,                         // cStrikeOut
	   ANSI_CHARSET,              // nCharSet
	   OUT_DEFAULT_PRECIS,        // nOutPrecision
	   CLIP_DEFAULT_PRECIS,       // nClipPrecision
	   DEFAULT_QUALITY,           // nQuality
	   DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily
	   "宋体");

	m_YFont.CreateFont(
	   12,                        // nHeight
	   0,                         // nWidth
	   0,                         // nEscapement
	   0,                         // nOrientation
	   FW_NORMAL,                 // nWeight
	   FALSE,                     // bItalic
	   FALSE,                     // bUnderline
	   0,                         // cStrikeOut
	   ANSI_CHARSET,              // nCharSet
	   OUT_DEFAULT_PRECIS,        // nOutPrecision
	   CLIP_DEFAULT_PRECIS,       // nClipPrecision
	   DEFAULT_QUALITY,           // nQuality
	   DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily
	   "宋体");

	m_TitleFont.CreateFont(
	   12,                        // nHeight
	   0,                         // nWidth
	   0,                         // nEscapement
	   0,                         // nOrientation
	   FW_NORMAL,                 // nWeight
	   FALSE,                     // bItalic
	   FALSE,                     // bUnderline
	   0,                         // cStrikeOut
	   ANSI_CHARSET,              // nCharSet
	   OUT_DEFAULT_PRECIS,        // nOutPrecision
	   CLIP_DEFAULT_PRECIS,       // nClipPrecision
	   DEFAULT_QUALITY,           // nQuality
	   DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily
	   "宋体");
}

CDirectFace::~CDirectFace()
{
	for(int i=0;i<4;i++) 
	{
		if(m_lpLayer[i]!=NULL) m_lpLayer[i]->Release();
	}
	if(m_lpPSur!=NULL) m_lpPSur->Release();
	if(m_lpDDraw7!=NULL) m_lpDDraw7->Release();
}

BOOL CDirectFace::Create(HWND hWnd,CRect rect)
{
	m_rect = rect;
	//创建DirectDraw对象
	if (FAILED(DirectDrawCreateEx(NULL,(VOID**)&m_lpDDraw7,IID_IDirectDraw7,NULL)))
	{
		::MessageBox(hWnd,"Fail To Create DirectDraw Object","Error",MB_ICONERROR);
		return FALSE;
	}
	if (FAILED(m_lpDDraw7->SetCooperativeLevel(hWnd,DDSCL_NORMAL|DDSCL_NOWINDOWCHANGES)))
	{
		::MessageBox(hWnd,"Fail To Set CooperativeLevel","Error",MB_ICONERROR);
		return FALSE;
	}

	ZeroMemory(&m_desc,sizeof(m_desc));
	m_desc.dwSize = sizeof(m_desc);
	m_desc.dwFlags = DDSD_CAPS;
	m_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE|DDSCAPS_VIDEOMEMORY;
	if (FAILED(m_lpDDraw7->CreateSurface(&m_desc,&m_lpPSur,NULL)))
	{
		::MessageBox(hWnd,"Fail To Create Primary Surface","Error",MB_ICONERROR);
		return -1;
	}
	
	ZeroMemory(&m_desc,sizeof(m_desc));
	m_desc.dwSize = sizeof(m_desc);
	m_desc.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH;
	m_desc.dwHeight = rect.Height();
	m_desc.dwWidth = rect.Width();
	m_desc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN|DDSCAPS_SYSTEMMEMORY;
	
	//设置颜色键
	m_key.dwColorSpaceHighValue = 0;
	m_key.dwColorSpaceLowValue = 0;

	for(int nLayerindex=0;nLayerindex<4;nLayerindex++)
	{
		if(FAILED(m_lpDDraw7->CreateSurface(&m_desc,&m_lpLayer[nLayerindex],NULL)))
		{
			::MessageBox(hWnd,"Fail To Create Off Screen Surface","Error",MB_ICONERROR);
			return FALSE;
		}
		m_lpLayer[nLayerindex]->SetColorKey(DDCKEY_SRCBLT,&m_key);
	}

	return TRUE;
}

void CDirectFace::DrawFrame()
{
	//画边框
	HDC layer = NULL;
	m_lpLayer[1]->GetDC(&layer);
	CDC *pDC = CDC::FromHandle(layer);
	pDC->SelectObject(::GetStockObject(BLACK_BRUSH));
	pDC->SelectObject(&m_FramePen);
	pDC->Rectangle(0,0,m_rect.Width(),m_rect.Height());
	m_lpLayer[1]->ReleaseDC(layer);

	m_lpLayer[2]->GetDC(&layer);
	pDC = CDC::FromHandle(layer);
	CDC MemDC;
	BITMAP bm;
	MemDC.CreateCompatibleDC(NULL);
	pDC->FillSolidRect(0,0,m_rect.Width(),m_rect.Height(),RGB(0,0,0));
	MemDC.SelectObject(m_flash);
	m_flash.GetObject(sizeof(BITMAP),&bm);
	pDC->BitBlt((m_rect.Width()-bm.bmWidth)/2,(m_rect.Height()-bm.bmHeight)/2,bm.bmWidth,bm.bmHeight,
		&MemDC,0,0,SRCCOPY);
	m_lpLayer[2]->ReleaseDC(layer);

	m_lpLayer[0]->BltFast(0,0,m_lpLayer[1],CRect(0,0,m_rect.Width(),m_rect.Height()),DDBLTFAST_WAIT);
	m_lpLayer[0]->BltFast(0,0,m_lpLayer[2],CRect(0,0,m_rect.Width(),m_rect.Height()),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
	m_lpPSur->BltFast(m_rect.left,m_rect.top,m_lpLayer[0],CRect(0,0,m_rect.Width(),m_rect.Height()),DDBLTFAST_WAIT);
}