www.pudn.com > scrnsaverTY23.zip > Matrix.cpp

// Matrix.cpp: implementation of the CMatrix class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include  
#include "Matrix.h" 
#include  
#include  
#include  
#include  
#include "constants.h" 
#include "MatrixColumn.h" 
#include "MatrixString.h" 
#include "SaverConfigDialog.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
CMatrix theMatrix; 
CMatrix::CMatrix() 
{ 
 
} 
 
CMatrix::~CMatrix() 
{ 
 
} 
 
void CMatrix::LoadMatrix(HWND hWnd) 
{ 
	m_nCols = CSaverConfigDialog::GetCols(); 
	m_color = CSaverConfigDialog::GetColor(); 
	RECT rect; 
 
	::GetClientRect(hWnd, &rect); 
 
	m_left = rect.left; 
	m_top  = rect.top; 
	m_right = rect.right; 
	m_bottom = rect.bottom; 
 
	LOGFONT lf; 
	lf = GetLogfont(); 
	m_font.CreateFontIndirect(&lf); 
 
	srand((unsigned)time(NULL)); 
	CMatrixColumn *pCol; 
	int n; 
	int y; 
	int height = m_bottom - m_top; 
	for (n = 0; n < m_nCols; n++) { 
		y = rand() % height; 
		pCol = new CMatrixColumn(y); 
		m_aArray.Add(pCol); 
	} 
	m_brBlack.CreateSolidBrush(RGB(0, 0, 0)); 
 
} 
 
CRect CMatrix::GetBorder() 
{ 
	return CRect(m_left, m_top, m_right, m_bottom); 
} 
 
LOGFONT CMatrix::GetLogfont() 
{ 
	LOGFONT lf; 
	memset(&lf, 0, sizeof(LOGFONT)); 
	strcpy(lf.lfFaceName, "ºÚÌå");// 
	lf.lfWidth = -((m_right - m_left + 1) / m_nCols + 2); 
//	lf.lfHeight = lf.lfWidth * 174 / 80; 
	lf.lfEscapement = 900; 
	lf.lfCharSet = DEFAULT_CHARSET; 
	 
	return lf; 
} 
 
CFont* CMatrix::GetFont() 
{ 
	return &m_font; 
} 
 
 
 
void CMatrix::DestroyMatrix() 
{ 
	int n; 
 
	CMatrixColumn *pCol; 
	for (n = 0; n < m_aArray.GetSize(); n++) { 
		pCol = (CMatrixColumn*)m_aArray[n]; 
		delete pCol; 
	} 
	m_aArray.RemoveAll(); 
	m_brBlack.DeleteObject(); 
	m_font.DeleteObject(); 
 
} 
 
void CMatrix::MatrixGO(CDC *pDC) 
{ 
 
	EraseBackGround(pDC); 
	int n; 
	CMatrixColumn *pCol; 
	for (n = 0; n < m_aArray.GetSize(); n++) { 
		pCol = (CMatrixColumn*)m_aArray[n]; 
		pCol->Fall(pDC); 
	} 
		 
	DrawMatrix(pDC); 
 
} 
 
void CMatrix::EraseBackGround(CDC *pDC) 
{ 
	CRect rect = GetBorder(); 
 
//	pDC->FillRect(&rect, &m_brBlack); 
} 
 
void CMatrix::DrawMatrix(CDC *pDC) 
{ 
 
	//draw a frame 
	int n, m; 
	CMatrixColumn *pCol; 
	CMatrixString *pStr; 
	CString str; 
	pDC->SetBkColor(RGB(0, 0, 0)); 
	 
	int wid; 
	pDC->SelectObject(&m_font); 
	CSize sz = pDC->GetTextExtent("M", 1); 
	wid = sz.cy; 
	int k; 
	CRect rect = GetBorder(); 
	k = (m_right - m_left) / sz.cy; 
 
	for (n = 0; n < k; n++) { 
		pCol = (CMatrixColumn*)m_aArray[n]; 
		int y = pCol->GetPos(); 
 
		for (m = 0; m < pCol->GetArray()->GetSize(); m++) { 
			int i = 1; 
			pStr = (CMatrixString*)pCol->GetArray()->GetAt(m); 
			CString s1, s2; 
			str = pStr->GetString(); 
 
			s1 = str[0] + str[1]; 
			s2 = ""; 
			 
			pDC->SetBkColor(RGB(0, 0, 0)); 
			s2 = str.Right(str.GetLength() - 2); 
			pDC->SetTextColor(RGB(255, 255, 255)); 
			pDC->TextOut(wid * n, y, s1); 
			pDC->SetTextColor(m_color); 
			CSize sz = pDC->GetTextExtent(s1); 
			pDC->TextOut(wid * n, y - sz.cx, s2); 
 
			y -= pStr->GetLength(pDC); 
			if (y < m_top)  { 
 
				break; 
			} 
			i++; 
 
		} 
		 
	} 
	 
}