Esempio n. 1
0
        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
        }