protected void SwapDrawBuffer()
{
try
{
_lockDc.Wait();
if (_activeDC == ActiveDrawBuffer.DC0)
{
var tmpScreen = _offScreen[0];
var tmpScreenDC = _offScreenDc[0];
_offScreen[0] = _offScreen[1];
_offScreenDc[0] = _offScreenDc[1];
_offScreen[1] = tmpScreen;
_offScreenDc[1] = tmpScreenDC;
_activeDC = ActiveDrawBuffer.DC1;
}
else
{
_activeDC = ActiveDrawBuffer.DC0;
}
}
finally
{
_lockDc.Release();
}
}
private void Resize(bool bUpdate)
{
try
{
_lockDc.Wait();
if (Width > 0 && Height > 0 && !Terminating)
{
for (var i = 0; i <= 1; i++)
{
_offScreen[i] = new Bitmap(Width, Height, PiFormat);
_offScreenDc[i] = Graphics.FromImage(_offScreen[i]);
_offScreenDc[i].InterpolationMode = InterpolationMode.Low;
_offScreenDc[i].CompositingQuality = CompositingQuality.HighSpeed;
_offScreenDc[i].SmoothingMode = SmoothingMode.HighSpeed;
}
_activeDC = ActiveDrawBuffer.DC0;
TranslateCoords();
if (bUpdate)
{
Update(new Rectangle(0, 0, Width, Height));
}
}
else
{
_offScreen[0] = null;
_offScreenDc[0] = null;
_offScreen[1] = null;
_offScreenDc[1] = null;
}
}
finally
{
_lockDc.Release();
}
}
protected void SwapDrawBuffer()
{
try
{
_lockDc.Wait();
if (_activeDC == ActiveDrawBuffer.DC0)
{
var tmpScreen = _offScreen[0];
var tmpScreenDC = _offScreenDc[0];
_offScreen[0] = _offScreen[1];
_offScreenDc[0] = _offScreenDc[1];
_offScreen[1] = tmpScreen;
_offScreenDc[1] = tmpScreenDC;
_activeDC = ActiveDrawBuffer.DC1;
}
else
{
_activeDC = ActiveDrawBuffer.DC0;
}
}
finally
{
_lockDc.Release();
}
}
private void Resize(bool bUpdate)
{
try
{
_lockDc.Wait();
if (Width > 0 && Height > 0 && !Terminating)
{
for (var i = 0; i <= 1; i++)
{
_offScreen[i] = new Bitmap(Width, Height, PiFormat);
_offScreenDc[i] = Graphics.FromImage(_offScreen[i]);
_offScreenDc[i].InterpolationMode = InterpolationMode.Low;
_offScreenDc[i].CompositingQuality = CompositingQuality.HighSpeed;
_offScreenDc[i].SmoothingMode = SmoothingMode.HighSpeed;
}
_activeDC = ActiveDrawBuffer.DC0;
TranslateCoords();
if (bUpdate)
Update(new Rectangle(0, 0, Width, Height));
}
else
{
_offScreen[0] = null;
_offScreenDc[0] = null;
_offScreen[1] = null;
_offScreenDc[1] = null;
}
}
finally
{
_lockDc.Release();
}
}
