void Meter::RepaintBarsNow()
{
if (!mLayoutValid)
return;
wxClientDC dc(this);
int i;
#ifdef __WXMAC__
// Mac OS X automatically double-buffers the screen for you,
// so our bitmap is unneccessary
for(i=0; i<mNumBars; i++)
DrawMeterBar(dc, &mBar[i]);
#else
if (!mBitmap)
mBitmap = new wxBitmap(mWidth, mHeight);
wxMemoryDC memDC;
memDC.SelectObject(*mBitmap);
for(i=0; i<mNumBars; i++)
DrawMeterBar(memDC, &mBar[i]);
dc.Blit(mAllBarsRect.x, mAllBarsRect.y,
mAllBarsRect.width, mAllBarsRect.height,
&memDC, mAllBarsRect.x, mAllBarsRect.y,
wxCOPY, false);
#endif
}
DWORD
CreateTestFile(
PFILE_PARAMS FileParams
)
{
PCHAR index = FileParams->TestDrive;
PUCHAR buffer;
CHAR errBuf[80];
HANDLE file,port;
OVERLAPPED overlapped,*overlapped2;
DWORD bytesTransferred,bytesTransferred2,key;
BOOLEAN status;
ULONG i;
while (*index == '\\' || *index == '.') {
index++;
}
strcpy(FileParams->TestFile,index);
strcat(FileParams->TestFile,"\\test.dat");
DeleteFile(FileParams->TestFile);
buffer = VirtualAlloc(NULL,
BufferSize,
MEM_COMMIT,
PAGE_READWRITE);
if ( !buffer ) {
sprintf(errBuf,"Error allocating buffer %d\n",GetLastError());
MessageBox(NULL,errBuf,"Error",MB_ICONEXCLAMATION|MB_OK);
ExitThread(3);
return 3;
}
file = CreateFile(FileParams->TestFile,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED | FILE_FLAG_NO_BUFFERING,
NULL );
if ( file == INVALID_HANDLE_VALUE ) {
sprintf(errBuf,"Error opening file %s %d\n",FileParams->TestFile,GetLastError());
MessageBox(NULL,errBuf,"Error",MB_ICONEXCLAMATION|MB_OK);
ExitThread(3);
return 3;
}
port = CreateIoCompletionPort(file,
NULL,
(DWORD)file,
0);
if ( !port ) {
sprintf(errBuf,"Error creating completion port %d\n",FileParams->TestFile,GetLastError());
MessageBox(NULL,errBuf,"Error",MB_ICONEXCLAMATION|MB_OK);
return FALSE;
}
memset(&overlapped,0,sizeof(overlapped));
for (i = 0; i < NumberIOs; i++) {
//
// If user aborted file create, exit.
//
if (KillFileCreate) {
DeleteFile(FileParams->TestFile);
ExitThread(4);
return 4;
}
retryWrite:
status = WriteFile(file,
buffer,
BufferSize,
&bytesTransferred,
&overlapped);
if ( !status && GetLastError() != ERROR_IO_PENDING ) {
if (GetLastError() == ERROR_INVALID_USER_BUFFER ||
GetLastError() == ERROR_NOT_ENOUGH_QUOTA ||
GetLastError() == ERROR_NOT_ENOUGH_MEMORY) {
goto retryWrite;
}
sprintf(errBuf,"Error creating test file %d\n",GetLastError());
MessageBox(NULL,errBuf,"Error",MB_ICONEXCLAMATION|MB_OK);
ExitThread(3);
return 3;
}
//
// Update gauge.
//
DrawMeterBar(FileParams->Window,GaugeId,i / 2,NumberIOs,FALSE);
overlapped.Offset += BufferSize;
}
for (i = 0; i < NumberIOs; i++ ) {
status = GetQueuedCompletionStatus(port,
&bytesTransferred2,
&key,
&overlapped2,
(DWORD)-1);
if ( !status ) {
sprintf(errBuf,"Error picking up completion pre-write %d\n",GetLastError());
MessageBox(NULL,errBuf,"Error",MB_ICONEXCLAMATION|MB_OK);
ExitThread(2);
return 2;
}
DrawMeterBar(FileParams->Window,GaugeId, NumberIOs / 2 + i / 2,NumberIOs,FALSE);
}
CloseHandle(port);
CloseHandle(file);
ExitThread(1);
return 1;
}
void Meter::HandlePaint(wxDC &dc)
{
int i;
dc.SetFont(GetFont());
if (mLeftSize.x == 0) {
dc.GetTextExtent(mLeftText, &mLeftSize.x, &mLeftSize.y);
dc.GetTextExtent(mRightText, &mRightSize.x, &mRightSize.y);
}
if (!mLayoutValid)
HandleLayout();
#ifndef USE_AQUA_THEME
#ifdef EXPERIMENTAL_THEMING
if( !mMeterDisabled )
{
mBkgndBrush.SetColour( GetParent()->GetBackgroundColour() );
}
#endif
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(mBkgndBrush);
dc.DrawRectangle(0, 0, mWidth, mHeight);
#endif
dc.DrawBitmap(*mIcon, mIconPos.x, mIconPos.y, true);
#if WANT_METER_MENU
// Draws a beveled button and a down pointing triangle.
// The style and sizing matches the ones in the title
// bar of the waveform left-hand-side panels.
{
wxRect r = mMenuRect;
AColor::Bevel(dc, true, r);
dc.SetPen(*wxBLACK_PEN);
int triWid = 11;
int xStart = r.x+3;
int yStart = r.y+4;
for(i=0;i<=triWid/2;i++){
dc.DrawLine(xStart+i, yStart+i, xStart + triWid - i,yStart+i);
}
}
if (mNumBars>0)
mRuler.Draw(dc);
#else
// Label as "Mix Volume" and "Input Volume" for Camp Jam.
int nFontSize = this->GetFont().GetPointSize();
int nXPos = mIconPos.x + mIcon->GetWidth() + 8;
int nYPos = mIconPos.y + (mIcon->GetHeight() - nFontSize - 6)/2;
if (nYPos < 0)
nYPos = 0;
if (mIsInput)
dc.DrawText(_("Input Volume"), nXPos, nYPos);
else
dc.DrawText(_("Mix Volume"), nXPos, nYPos);
#endif // WANT_METER_MENU
dc.SetFont(GetFont());
dc.DrawText(mLeftText, mLeftTextPos.x, mLeftTextPos.y);
dc.DrawText(mRightText, mRightTextPos.x, mRightTextPos.y);
for(i=0; i<mNumBars; i++)
DrawMeterBar(dc, &mBar[i]);
}
