// window procedure
LRESULT CALLBACK SpectrumWindowProc(HWND h, UINT m, WPARAM w, LPARAM l)
{
switch (m) {
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MOUSEMOVE:
if (w&MK_LBUTTON) SetLoopStart(LOWORD(l)*bpp); // set loop start
if (w&MK_RBUTTON) SetLoopEnd(LOWORD(l)*bpp); // set loop end
return 0;
case WM_MBUTTONDOWN:
BASS_ChannelSetPosition(chan,LOWORD(l)*bpp,BASS_POS_BYTE); // set current pos
return 0;
case WM_TIMER:
InvalidateRect(h,0,0); // refresh window
return 0;
case WM_PAINT:
if (GetUpdateRect(h,0,0)) {
PAINTSTRUCT p;
HDC dc;
if (!(dc=BeginPaint(h,&p))) return 0;
BitBlt(dc,0,0,WIDTH,HEIGHT,wavedc,0,0,SRCCOPY); // draw peak waveform
DrawTimeLine(dc,loop[0],0xffff00,12); // loop start
DrawTimeLine(dc,loop[1],0x00ffff,24); // loop end
DrawTimeLine(dc,BASS_ChannelGetPosition(chan,BASS_POS_BYTE),0xffffff,0); // current pos
EndPaint(h,&p);
}
return 0;
case WM_CREATE:
win=h;
// initialize output
if (!BASS_Init(-1,44100,0,win,NULL)) {
Error("Can't initialize device");
return -1;
}
if (!PlayFile()) { // start a file playing
BASS_Free();
return -1;
}
SetTimer(h,0,100,0); // set update timer (10hz)
break;
case WM_DESTROY:
KillTimer(h,0);
if (scanthread) { // still scanning
killscan=TRUE;
WaitForSingleObject((HANDLE)scanthread,1000); // wait for the thread
}
BASS_Free();
if (wavedc) DeleteDC(wavedc);
if (wavebmp) DeleteObject(wavebmp);
PostQuitMessage(0);
break;
}
return DefWindowProc(h, m, w, l);
}
void CSobeyView::OnDraw(CDC* pDC)
{
CSobeyDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return;
// TODO: 在此处为本机数据添加绘制代码
MaterialVector timeLine = pDoc->GetTimeLine();
m_selected = pDoc->GetSelected();
ComputerTimeLineRect(timeLine);
DrawTimeLine(pDC, timeLine);
}
