void renderWorker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = (BackgroundWorker)sender;
RenderUIArgs renderUIArgs = (RenderUIArgs)e.Argument;
// TODO: Params from UI
int volume_width = 640;
int volume_height = 480;
int volume_depth = _volumeDepth;
int image_width = renderPictureBox.Size.Width;
int image_height = renderPictureBox.Size.Height;
render = new Render(volume_width, volume_height, volume_depth, image_width, image_height);
Bitmap bitmap = new Bitmap(image_width, image_height, PixelFormat.Format32bppArgb);
byte[] volume = new byte[volume_width * volume_height * volume_depth];
int[] image = new int[image_width * image_height];
float density = 0.08f, brightness = 5.0f, transoffset = 0.0f, transscale = 1.0f;
bool linearfilter = true ;
float rotx = 0.0f, roty = 0.0f, rotz = 0.0f, transx = 0.0f, transy = 0.0f, transz = 4.0f;
int offset = 0;
uint imageNumber = 0;
bool isRenderTime = false;
#if RENDER_LOG
TextWriter tw = new StreamWriter("data.txt");
#endif
while (!worker.CancellationPending)
{
ImageData imdata;
if (!imageDataQueue.TryDequeue(out imdata))
{
continue;
}
if (imdata.deltaVoltage > _thresholdDeltaVoltage)
{
Buffer.BlockCopy(imdata.imageArray, 0, volume, offset, imdata.imageArray.Length);
offset += imdata.imageArray.Length;
imageNumber++;
worker.ReportProgress(0, new RenderUIUpdateArgs(imageNumber));
}
else
{
if (imageNumber != 0)
{
isRenderTime = true;
}
}
#if RENDER_LOG
tw.WriteLine("queue count: {0}", imageDataQueue.Count);
tw.WriteLine("deltaV: {0}", imdata.deltaVoltage);
tw.WriteLine("imnumber: {0}", imageNumber);
tw.WriteLine("isrendertime: {0}", isRenderTime);
#endif
if (isRenderTime)
{
#if RENDER_LOG
long render_start = DateTime.Now.Ticks;
tw.WriteLine("render start {0}", render_start);
#endif
try
{
rotx = Convert.ToSingle(renderUIArgs.rotxTextBox.Text);
roty = Convert.ToSingle(renderUIArgs.rotyTextBox.Text);
rotz = Convert.ToSingle(renderUIArgs.rotzTextBox.Text);
transx = Convert.ToSingle(renderUIArgs.transxTextBox.Text);
transy = Convert.ToSingle(renderUIArgs.transyTextBox.Text);
transz = Convert.ToSingle(renderUIArgs.transzTextBox.Text);
density = Convert.ToSingle(renderUIArgs.densityTextBox.Text);
brightness = Convert.ToSingle(renderUIArgs.brightnessTextBox.Text);
transoffset = Convert.ToSingle(renderUIArgs.transoffsetTextBox.Text);
transscale = Convert.ToSingle(renderUIArgs.transscaleTextBox.Text);
linearfilter = renderUIArgs.linfilterCheckBox.Checked;
render.SetParams(density, brightness, transoffset, transscale, linearfilter);
render.SetViewMatrix(rotx, roty, rotz, transx, transy, transz);
render.Update(ref volume, ref image);
for (int x = 0, idx = 0; x < image_width; x++)
{
for (int y = 0; y < image_height; y++, idx++)
{
bitmap.SetPixel(x, y, Color.FromArgb(image[idx]));
}
}
renderPictureBox.Image = (Image)bitmap;
}
catch (FormatException)
{
}
offset = 0;
imageNumber = 0;
isRenderTime = false;
#if RENDER_LOG
tw.WriteLine("render time: {0} ms", TimeSpan.FromTicks(DateTime.Now.Ticks - render_start).TotalMilliseconds);
#endif
}
}
#if RENDER_LOG
tw.Close();
#endif
}