private void btnMorph_Click(object sender, EventArgs e)
{
if (pbStartImage.Image == null || pbEndImage.Image == null)
{
return;
}
// Get the parallel mode, the output mode, and query the user for the output path
bool useParallelism = parallelProcessingModeToolStripMenuItem.Checked;
OutputMode outputMode = aviOutputToolStripMenuItem.Checked ? OutputMode.Movie : OutputMode.ImageSequence;
string outputPath = SelectOutputPath(outputMode);
if (outputPath == null)
{
return;
}
// Grab UI data
UiSettings settings;
LinePairCollection lines;
Bitmap startImage, endImage;
PrepareUIDataForMorph(out settings, out lines, out startImage, out endImage);
// Setup UI for run
this.Text = "Parallel Morph - Running...";
pbMorphStatus.Visible = true;
splitContainer1.Visible = false;
menuStrip1.Enabled = false;
btnCancel.Visible = true;
btnCancel.Enabled = true;
btnMorph.Enabled = false;
pbInProgressMorph.Visible = true;
_currentCancellationSource = new CancellationTokenSource();
var cancellationToken = _currentCancellationSource.Token;
// Time how long the operation takes
Stopwatch startTime = Stopwatch.StartNew();
// Create the morpher and launch the algorithm to run asynchronously
_morpher = new ComputeMorph(settings, useParallelism, cancellationToken);
_morpher.ProgressChanged += (ps, pe) => _uiThread.StartNew(() => pbMorphStatus.Value = pe.ProgressPercentage);
Task.Factory.StartNew(() =>
{
// Create an output writer based on whether we're writing to image files or to a movie file
using (var tempImageWriter = outputMode == OutputMode.Movie ?
(IImageWriter) new AviImageWriter(outputPath, settings.FramesPerSecond, startImage.Width, startImage.Height) :
(IImageWriter) new JpgImageWriter(outputPath, "MorphFrame"))
{
// Also display every frame to the UI
var imageWriter = new PassthroughImageWriter(tempImageWriter, bmp =>
{
var clonedBmp = Utilities.CreateNewBitmapFrom(bmp);
_uiThread.StartNew(() =>
{
Image oldImage = pbInProgressMorph.Image;
pbInProgressMorph.Image = clonedBmp;
if (oldImage != null)
{
oldImage.Dispose();
}
});
});
// Run the morph synchronously
_morpher.Render(imageWriter, lines, startImage, endImage);
}
// When the morph completes, update the UI...
}, cancellationToken).ContinueWith(t =>
{
_morpher = null;
btnMorph.Enabled = true;
btnCancel.Visible = false;
pbMorphStatus.Visible = false;
splitContainer1.Visible = true;
menuStrip1.Enabled = true;
pbInProgressMorph.Visible = false;
if (pbInProgressMorph.Image != null)
{
Image oldImage = pbInProgressMorph.Image;
pbInProgressMorph.Image = null;
oldImage.Dispose();
}
this.Text = "Parallel Morph - " + t.Status + " - " + startTime.Elapsed.ToString();
if (t.IsFaulted)
{
MessageBox.Show(this, t.Exception.ToString(), "Morph Error");
}
}, _uiThread.Scheduler);
}
private void btnMorph_Click(object sender, EventArgs e)
{
if (pbStartImage.Image == null || pbEndImage.Image == null) return;
// Get the parallel mode, the output mode, and query the user for the output path
bool useParallelism = parallelProcessingModeToolStripMenuItem.Checked;
OutputMode outputMode = aviOutputToolStripMenuItem.Checked ? OutputMode.Movie : OutputMode.ImageSequence;
string outputPath = SelectOutputPath(outputMode);
if (outputPath == null) return;
// Grab UI data
UiSettings settings;
LinePairCollection lines;
Bitmap startImage, endImage;
PrepareUIDataForMorph(out settings, out lines, out startImage, out endImage);
// Setup UI for run
this.Text = "Parallel Morph - Running...";
pbMorphStatus.Visible = true;
splitContainer1.Visible = false;
menuStrip1.Enabled = false;
btnCancel.Visible = true;
btnCancel.Enabled = true;
btnMorph.Enabled = false;
pbInProgressMorph.Visible = true;
_currentCancellationSource = new CancellationTokenSource();
var cancellationToken = _currentCancellationSource.Token;
// Time how long the operation takes
Stopwatch startTime = Stopwatch.StartNew();
// Create the morpher and launch the algorithm to run asynchronously
_morpher = new ComputeMorph(settings, useParallelism, cancellationToken);
_morpher.ProgressChanged += (ps, pe) => _uiThread.StartNew(() => pbMorphStatus.Value = pe.ProgressPercentage);
Task.Factory.StartNew(() =>
{
// Create an output writer based on whether we're writing to image files or to a movie file
using (var tempImageWriter = outputMode == OutputMode.Movie ?
(IImageWriter)new AviImageWriter(outputPath, settings.FramesPerSecond, startImage.Width, startImage.Height) :
(IImageWriter)new JpgImageWriter(outputPath, "MorphFrame"))
{
// Also display every frame to the UI
var imageWriter = new PassthroughImageWriter(tempImageWriter, bmp =>
{
var clonedBmp = Utilities.CreateNewBitmapFrom(bmp);
_uiThread.StartNew(() =>
{
Image oldImage = pbInProgressMorph.Image;
pbInProgressMorph.Image = clonedBmp;
if (oldImage != null) oldImage.Dispose();
});
});
// Run the morph synchronously
_morpher.Render(imageWriter, lines, startImage, endImage);
}
// When the morph completes, update the UI...
}, cancellationToken).ContinueWith(t =>
{
_morpher = null;
btnMorph.Enabled = true;
btnCancel.Visible = false;
pbMorphStatus.Visible = false;
splitContainer1.Visible = true;
menuStrip1.Enabled = true;
pbInProgressMorph.Visible = false;
if (pbInProgressMorph.Image != null)
{
Image oldImage = pbInProgressMorph.Image;
pbInProgressMorph.Image = null;
oldImage.Dispose();
}
this.Text = "Parallel Morph - " + t.Status + " - " + startTime.Elapsed.ToString();
if (t.IsFaulted) MessageBox.Show(this, t.Exception.ToString(), "Morph Error");
}, _uiThread.Scheduler);
}