/// <summary>
/// Redraws the whole image.
/// </summary>
private void RenderImage()
{
Cursor.Current = Cursors.WaitCursor;
EnableRendering(false);
width = ImageWidth;
if (width <= 0)
{
width = panel1.Width;
}
height = ImageHeight;
if (height <= 0)
{
height = panel1.Height;
}
superSampling = (int)numericSupersampling.Value;
outputImage = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
IRayScene scene = FormSupport.getScene(textParam.Text); // scene prototype
IImageFunction imf = FormSupport.getImageFunction(scene);
imf.Width = width;
imf.Height = height;
IRenderer rend = FormSupport.getRenderer(imf);
rend.Width = width;
rend.Height = height;
rend.Adaptive = 0;
rend.ProgressData = progress;
progress.Continue = true;
// animation:
ITimeDependent sc = scene as ITimeDependent;
if (sc != null)
{
sc.Time = (double)numTime.Value;
}
MT.InitThreadData();
Stopwatch sw = new Stopwatch();
sw.Start();
rend.RenderRectangle(outputImage, 0, 0, width, height);
sw.Stop();
labelElapsed.Text = string.Format("Elapsed: {0:f1}s", 1.0e-3 * sw.ElapsedMilliseconds);
pictureBox1.Image = outputImage;
EnableRendering(true);
Cursor.Current = Cursors.Default;
}
public Form1(string[] args)
{
singleton = this;
InitializeComponent();
// Init rendering params:
string name;
FormSupport.InitializeParams(args, out name);
Text += " (rev: " + rev + ") '" + name + '\'';
buttonRes.Text = FormResolution.GetLabel(ref ImageWidth, ref ImageHeight);
}
public Form1(string[] args)
{
singleton = this;
InitializeComponent();
// Init rendering params:
string name;
FormSupport.InitializeParams(args, out name);
if (!string.IsNullOrEmpty(sceneFileName))
{
sceneFileName = Path.GetFullPath(sceneFileName);
buttonScene.Text = sceneFileName;
}
Text += " (rev: " + rev + ") '" + name + '\'';
buttonRes.Text = FormResolution.GetLabel(ref ImageWidth, ref ImageHeight);
}
/// <summary>
/// Main animation rendering thread.
/// Initializes worker threads and collects the results.
/// </summary>
protected void RenderAnimation()
{
Cursor.Current = Cursors.WaitCursor;
int threads = Environment.ProcessorCount;
int t; // thread ordinal number
WorkerThreadInit[] wti = new WorkerThreadInit[threads];
for (t = 0; t < threads; t++)
{
IRayScene sc = FormSupport.getScene(textParam.Text);
IImageFunction imf = FormSupport.getImageFunction(sc);
imf.Width = width;
imf.Height = height;
IRenderer r = FormSupport.getRenderer(imf);
r.Width = width;
r.Height = height;
r.Adaptive = 0; // turn off adaptive bitmap synthesis completely (interactive preview not needed)
r.ProgressData = progress;
wti[t] = new WorkerThreadInit(r, sc as ITimeDependent, imf as ITimeDependent, width, height);
}
initQueue();
sem = new Semaphore(0, 10 * threads);
// pool of working threads:
Thread[] pool = new Thread[threads];
for (t = 0; t < threads; t++)
{
pool[t] = new Thread(new ParameterizedThreadStart(RenderWorker));
}
for (t = threads; --t >= 0;)
{
pool[t].Start(wti[t]);
}
// loop for collection of computed frames:
int frames = 0;
int lastDisplayedFrame = -1;
const long DISPLAY_GAP = 10000L;
long lastDisplayedTime = -DISPLAY_GAP;
Stopwatch sw = new Stopwatch();
sw.Start();
while (true)
{
sem.WaitOne(); // wait until a frame is finished
lock ( progress ) // regular finish, escape, user break?
{
if (!progress.Continue ||
time >= end &&
frames >= frameNumber)
{
break;
}
}
// there could be a frame to process:
Result r;
lock ( queue )
{
if (queue.Count == 0)
{
continue;
}
r = queue.Dequeue();
}
// GUI progress indication:
double seconds = 1.0e-3 * sw.ElapsedMilliseconds;
double fps = ++frames / seconds;
SetText(string.Format(CultureInfo.InvariantCulture, "Frames (mt{0}): {1} ({2:f0} s, {3:f2} fps)",
threads, frames, seconds, fps));
if (r.frameNumber > lastDisplayedFrame &&
sw.ElapsedMilliseconds > lastDisplayedTime + DISPLAY_GAP)
{
lastDisplayedFrame = r.frameNumber;
lastDisplayedTime = sw.ElapsedMilliseconds;
SetImage((Bitmap)r.image.Clone());
}
// save the image file:
string fileName = string.Format("out{0:0000}.png", r.frameNumber);
r.image.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
r.image.Dispose();
}
for (t = 0; t < threads; t++)
{
pool[t].Join();
pool[t] = null;
}
Cursor.Current = Cursors.Default;
StopAnimation();
}
/// <summary>
/// Main animation rendering thread.
/// Initializes worker threads and collects the results.
/// </summary>
protected void RenderAnimation()
{
Cursor.Current = Cursors.WaitCursor;
int threads = Environment.ProcessorCount;
int t; // thread ordinal number
int superSampling = (int)numericSupersampling.Value;
double minTime = (double)numFrom.Value;
double maxTime = (double)numTo.Value;
double fps = (double)numFps.Value;
WorkerThreadInit[] wti = new WorkerThreadInit[threads];
// 1. preprocessing - compute simulation, animation data, etc.
FormSupport.getScene(
true,
out _, out _,
ref ActualWidth,
ref ActualHeight,
ref superSampling,
ref minTime,
ref maxTime,
ref fps,
textParam.Text);
for (t = 0; t < threads; t++)
{
// 2. initialize data for regular frames (using the pre-computed context).
IRayScene sc = FormSupport.getScene(
false,
out IImageFunction imf,
out IRenderer rend,
ref ActualWidth,
ref ActualHeight,
ref superSampling,
ref minTime,
ref maxTime,
ref fps,
textParam.Text);
if (t == 0)
{
// Update GUI.
if (ImageWidth > 0) // preserving default (form-size) resolution
{
ImageWidth = ActualWidth;
ImageHeight = ActualHeight;
UpdateResolutionButton();
}
UpdateSupersampling(superSampling);
UpdateAnimationTiming(minTime, maxTime, fps);
}
if (sc is ITimeDependent sca)
{
sc = (IRayScene)sca.Clone();
}
// IImageFunction.
if (imf == null) // not defined in the script
{
imf = FormSupport.getImageFunction(sc);
}
else
if (imf is RayCasting imfray)
{
imfray.Scene = sc;
}
imf.Width = ActualWidth;
imf.Height = ActualHeight;
// IRenderer.
if (rend == null) // not defined in the script
{
rend = FormSupport.getRenderer(superSampling);
}
rend.ImageFunction = imf;
rend.Width = ActualWidth;
rend.Height = ActualHeight;
rend.Adaptive = 0; // turn off adaptive bitmap synthesis completely (interactive preview not needed)
rend.ProgressData = progress;
wti[t] = new WorkerThreadInit(rend, sc as ITimeDependent, imf as ITimeDependent, ActualWidth, ActualHeight);
}
// Update animation timing.
time = minTime;
end = maxTime;
if (end <= time)
{
end = time + 1.0;
}
dt = (fps > 0.0) ? 1.0 / fps : 25.0;
end += 0.5 * dt;
frameNumber = 0;
initQueue();
sem = new Semaphore(0, 10 * threads);
// Pool of working threads.
Thread[] pool = new Thread[threads];
for (t = 0; t < threads; t++)
{
pool[t] = new Thread(new ParameterizedThreadStart(RenderWorker));
}
for (t = threads; --t >= 0;)
{
pool[t].Start(wti[t]);
}
// Loop for collection of computed frames.
int frames = 0;
int lastDisplayedFrame = -1;
const long DISPLAY_GAP = 10000L;
long lastDisplayedTime = -DISPLAY_GAP;
Stopwatch sw = new Stopwatch();
sw.Start();
while (true)
{
sem.WaitOne(); // wait until a frame is finished
lock (progress) // regular finish, escape, user break?
{
if (!progress.Continue ||
time >= end &&
frames >= frameNumber)
{
break;
}
}
// There could be a frame to process.
Result r;
lock (queue)
{
if (queue.Count == 0)
{
continue;
}
r = queue.Dequeue();
}
// GUI progress indication:
double seconds = 1.0e-3 * sw.ElapsedMilliseconds;
double cfps = ++frames / seconds;
SetText(string.Format(CultureInfo.InvariantCulture, "Frames (mt{0}): {1} ({2:f0} s, {3:f2} fps)",
threads, frames, seconds, cfps));
if (r.frameNumber > lastDisplayedFrame &&
sw.ElapsedMilliseconds > lastDisplayedTime + DISPLAY_GAP)
{
lastDisplayedFrame = r.frameNumber;
lastDisplayedTime = sw.ElapsedMilliseconds;
SetImage((Bitmap)r.image.Clone());
}
// Save the image file.
string fileName = string.Format("out{0:0000}.png", r.frameNumber);
r.image.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
r.image.Dispose();
}
for (t = 0; t < threads; t++)
{
pool[t].Join();
pool[t] = null;
}
Cursor.Current = Cursors.Default;
StopAnimation();
}
/// <summary>
/// Redraws the whole image.
/// </summary>
private void RenderImage()
{
Cursor.Current = Cursors.WaitCursor;
EnableRendering(false);
ActualWidth = ImageWidth;
if (ActualWidth <= 0)
{
ActualWidth = panel1.Width;
}
ActualHeight = ImageHeight;
if (ActualHeight <= 0)
{
ActualHeight = panel1.Height;
}
superSampling = (int)numericSupersampling.Value;
double minTime = (double)numFrom.Value;
double maxTime = (double)numTo.Value;
double fps = (double)numFps.Value;
// 1. preprocessing - compute simulation, animation data, etc.
_ = FormSupport.getScene(
true,
out _, out _,
ref ActualWidth,
ref ActualHeight,
ref superSampling,
ref minTime,
ref maxTime,
ref fps,
textParam.Text);
// 2. compute regular frame (using the pre-computed context).
IRayScene scene = FormSupport.getScene(
false,
out IImageFunction imf,
out IRenderer rend,
ref ActualWidth,
ref ActualHeight,
ref superSampling,
ref minTime,
ref maxTime,
ref fps,
textParam.Text);
// Update GUI.
if (ImageWidth > 0) // preserving default (form-size) resolution
{
ImageWidth = ActualWidth;
ImageHeight = ActualHeight;
UpdateResolutionButton();
}
UpdateSupersampling(superSampling);
UpdateAnimationTiming(minTime, maxTime, fps);
// IImageFunction.
if (imf == null) // not defined in the script
{
imf = FormSupport.getImageFunction(scene);
}
else
if (imf is RayCasting imfrc)
{
imfrc.Scene = scene;
}
imf.Width = ActualWidth;
imf.Height = ActualHeight;
// IRenderer.
if (rend == null) // not defined in the script
{
rend = FormSupport.getRenderer(superSampling);
}
rend.ImageFunction = imf;
rend.Width = ActualWidth;
rend.Height = ActualHeight;
rend.Adaptive = 0;
rend.ProgressData = progress;
progress.Continue = true;
// Animation time has to be set.
if (scene is ITimeDependent sc)
{
sc.Time = (double)numTime.Value;
}
// Output image.
outputImage = new Bitmap(ActualWidth, ActualHeight, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
MT.InitThreadData();
Stopwatch sw = new Stopwatch();
sw.Start();
rend.RenderRectangle(outputImage, 0, 0, ActualWidth, ActualHeight);
sw.Stop();
labelElapsed.Text = string.Format("Elapsed: {0:f1}s", 1.0e-3 * sw.ElapsedMilliseconds);
pictureBox1.Image = outputImage;
EnableRendering(true);
Cursor.Current = Cursors.Default;
}