sndView.cpp
上传用户:wen82zi81
上传日期:2007-01-03
资源大小:40k
文件大小:4k
- // sndView.cpp : implementation of the CSndView class
- //
- #include "stdafx.h"
- #include "snd.h"
- #include "sndDoc.h"
- #include "sndView.h"
- #include "soundIn.h"
- extern CSoundIn SoundIn;
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // CSndView
- IMPLEMENT_DYNCREATE(CSndView, CView)
- BEGIN_MESSAGE_MAP(CSndView, CView)
- //{{AFX_MSG_MAP(CSndView)
- ON_WM_TIMER()
- //}}AFX_MSG_MAP
- // Standard printing commands
- ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
- ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
- ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CSndView construction/destruction
- CSndView::CSndView()
- {
- // TODO: add construction code here
- }
- CSndView::~CSndView()
- {
- }
- BOOL CSndView::PreCreateWindow(CREATESTRUCT& cs)
- {
- // TODO: Modify the Window class or styles here by modifying
- // the CREATESTRUCT cs
- return CView::PreCreateWindow(cs);
- }
- /////////////////////////////////////////////////////////////////////////////
- // CSndView drawing
- void CSndView::OnDraw(CDC* pDC)
- {
- CSndDoc* pDoc = GetDocument();
- ASSERT_VALID(pDoc);
- // TODO: add draw code for native data here
- }
- /////////////////////////////////////////////////////////////////////////////
- // CSndView printing
- BOOL CSndView::OnPreparePrinting(CPrintInfo* pInfo)
- {
- // default preparation
- return DoPreparePrinting(pInfo);
- }
- void CSndView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
- {
- // TODO: add extra initialization before printing
- }
- void CSndView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
- {
- // TODO: add cleanup after printing
- }
- /////////////////////////////////////////////////////////////////////////////
- // CSndView diagnostics
- #ifdef _DEBUG
- void CSndView::AssertValid() const
- {
- CView::AssertValid();
- }
- void CSndView::Dump(CDumpContext& dc) const
- {
- CView::Dump(dc);
- }
- CSndDoc* CSndView::GetDocument() // non-debug version is inline
- {
- ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CSndDoc)));
- return (CSndDoc*)m_pDocument;
- }
- #endif //_DEBUG
- /////////////////////////////////////////////////////////////////////////////
- // CSndView message handlers
- void CSndView::OnTimer(UINT nIDEvent)
- {
- CRect rcClient;
- GetClientRect(rcClient);
- CClientDC dc(this);
-
- CBitmap Bitmap;
- CBitmap* pbmOld = NULL;
- CDC dcMem;
- dcMem.CreateCompatibleDC(&dc);
- Bitmap.CreateCompatibleBitmap(&dc,rcClient.right,rcClient.bottom);
- //pbmOld = dcMem.SelectObject(&m_bmBall);
- pbmOld = dcMem.SelectObject(&Bitmap);
- dcMem.PatBlt(0, 0,rcClient.right, rcClient.bottom, WHITENESS);
- dcMem.MoveTo(0,rcClient.bottom/2);
- // trace un graph correspondant a une fft (sinx/x)
- //
- int x,y;
- dcMem.MoveTo(0,rcClient.bottom/2);
-
- // display incomming signal
- for (x =0 ; x < (rcClient.right); x++) // display Input
- {
- y = rcClient.bottom/2 - SoundIn.InputBuffer[x]/95 ;
- dcMem.LineTo(x,y);
- //yMoy[x] = (yMoy[x]+y)/2;
- }
- dc.BitBlt(0,0,rcClient.right,rcClient.bottom,
- &dcMem, 0, 0, SRCCOPY);
-
-
- dcMem.SelectObject(pbmOld);
- dcMem.DeleteDC();
-
- // CView::OnTimer(nIDEvent);
- }
- void CSndView::OnInitialUpdate()
- {
- CView::OnInitialUpdate();
-
- if (!SetTimer(1, 200 /*start slow*/, NULL))
- {
- MessageBox(_T("Not enough timers available for this window."),
- _T("Sound Test "), MB_ICONEXCLAMATION | MB_OK);
- // signal creation failure...
- return;
- }
-
- }