/// <summary>
/// A method that creates anaglyph from the left and right image.
/// </summary>
/// <param name="dllVersion"> The dll version selected by the user. </param>
/// <param name="anaglyphVersion"> User selection of anaglyph version. </param>
/// <param name="leftImageInformation"> An instance of the class that stores information about the left image. </param>
/// <param name="rightImageInformation"> An instance of the class that stores information about the right image. </param>
/// <param name="threadAmount"> Number of threads selected by the user. </param>
public void CreateAnaglyph(DllVersion dllVersion, AnaglyphVersion anaglyphVersion, ImageInformation leftImageInformation, ImageInformation rightImageInformation, int threadAmount)
{
int amountOfPixels = leftImageInformation.imagePixelArray.Length / 4; // the number of pixels that will be modified
pixelsForThread = amountOfPixels / threadAmount; // the number of pixels to modify per thread
if (pixelsForThread * threadAmount != leftImageInformation.imagePixelArray.Length / 4) // condition checking if the same number of pixels can be processed in each thread (different number of pixels)
{
int delta = amountOfPixels - (pixelsForThread * threadAmount); // number of pixels remaining
PrepareThreads(threadAmount - 1); // prepare tables for the number of threads selected by the user minus one
int start = pixelsForThread * (threadAmount - 1); // start index for a thread that modifies the rest of the pixels
this.coords.Add(start); // start index for the last thread
this.coords.Add(leftImageInformation.imagePixelArray.Length / 4); // end index for the last thread
}
else // the same number of pixels in each thread
{
PrepareThreads(threadAmount); // prepare a table of coordinates
}
anaglyphFilters = new float[12]; // creating an array that stores an anaglyph filter
switch (anaglyphVersion) // choosing the right anaglyph filter depending on the user's choice
{
case AnaglyphVersion.TRUE_ANAGLYPH:
anaglyphFilters = AnaglyphOptions._true;
break;
case AnaglyphVersion.GRAY_ANAGLYPH:
anaglyphFilters = AnaglyphOptions._gray;
break;
case AnaglyphVersion.COLOR_ANAGLYPH:
anaglyphFilters = AnaglyphOptions._color;
break;
case AnaglyphVersion.HALF_COLOR_ANAGLYPH:
anaglyphFilters = AnaglyphOptions._halfColor;
break;
case AnaglyphVersion.OPTIMIZED_ANAGLYPH:
anaglyphFilters = AnaglyphOptions._optimized;
break;
}
tmpLeftImagePixelArray = new float[leftImageInformation.imagePixelArray.Length]; // creating a temporary array storing the pixels of the left image
for (int i = 0; i < tmpLeftImagePixelArray.Length; i++) // loop that copies the pixel values of the left image into a temporary table
{
tmpLeftImagePixelArray[i] = leftImageInformation.imagePixelArray[i]; // copy the pixel color value from the left image to a temporary table
}
switch (dllVersion) // choice of dll depending on the user's choice
{
case DllVersion.ASM_DLL: // assembler dll choice
for (int i = 0; i < this.coords.Count; i += 2) // loop calling as many times as there are coordinates (start and end) for each thread
{
int[] imageCoords = { this.coords[i] * 4, this.coords[i + 1] * 4 }; // get start and start index for the current thread
var th = new Thread(() => // thread creation
{
AnaglyphAlgorithmAsm(leftImageInformation.imagePixelArray, imageCoords, anaglyphFilters, rightImageInformation.imagePixelArray);
});
this.threads.Add(th); // adding a newly created thread to the list of threads
}
break;
case DllVersion.CPP_DLL: // C++ dll choice
for (int i = 0; i < this.coords.Count; i += 2) // loop calling as many times as there are coordinates(start and end) for each thread
{
int[] imageCoords = { this.coords[i] * 4, this.coords[i + 1] * 4 }; // get start and start index for the current thread
var th = new Thread(() => // thread creation
{
AnaglyphAlgorithm(leftImageInformation.imagePixelArray, imageCoords, anaglyphFilters, rightImageInformation.imagePixelArray);
});
this.threads.Add(th); // adding a newly created thread to the list of threads
}
break;
}
TimerClock.StartTimer(); // counting the time it takes for threads to finish
foreach (Thread th in threads) // start all threads
{
th.Start();
}
foreach (Thread th in threads) // waiting for the end of each thread
{
th.Join();
}
TimerClock.StopTimer(); // stop counting time
threads.Clear(); // clear the list of threads
coords.Clear(); // clearing the list of start and end indexes
leftImageInformation.finishConversion(); // creating an image based on returned pixels
for (int i = 0; i < tmpLeftImagePixelArray.Length; i++) // copying the pixel color values from the previously created table to the table storing the pixel values of the left image
{
leftImageInformation.imagePixelArray[i] = tmpLeftImagePixelArray[i];
}
EventImageFinished(leftImageInformation.imageBitmap); // reporting an event about the end of anaglyph creation
}
/// <summary>
/// Called after pressing the button responsible for creating anaglyph. Runs the method from the object instance responsible for creating anaglyph.
/// </summary>
/// <param name="sender"> object sender </param>
/// <param name="e"> RoutedEventArgs </param>
private void OnClickButtonGenerateAnaglyph(object sender, RoutedEventArgs e)
{
if (radioAsm.IsChecked.Value) // assembler dll selected
{
this.dllVersion = DllVersion.ASM_DLL;
}
else if (radioC.IsChecked.Value) // C++ dll selected
{
this.dllVersion = DllVersion.CPP_DLL;
}
else // no dll selected
{
this.dllVersion = DllVersion.VOID;
}
if (radioTrue.IsChecked.Value) // true anaglyph filter selected
{
this.anaglyphVersion = AnaglyphVersion.TRUE_ANAGLYPH;
}
else if (radioGray.IsChecked.Value) // gray anaglyph filter selected
{
this.anaglyphVersion = AnaglyphVersion.GRAY_ANAGLYPH;
}
else if (radioColor.IsChecked.Value) // color anaglyph filter selected
{
this.anaglyphVersion = AnaglyphVersion.COLOR_ANAGLYPH;
}
else if (radioHalfColor.IsChecked.Value) // half color anaglyph filter selected
{
this.anaglyphVersion = AnaglyphVersion.HALF_COLOR_ANAGLYPH;
}
else if (radioOptimized.IsChecked.Value) // optimized anaglyph filter selected
{
this.anaglyphVersion = AnaglyphVersion.OPTIMIZED_ANAGLYPH;
}
else // no anaglyph filter selected
{
this.anaglyphVersion = AnaglyphVersion.VOID;
}
if (this.anaglyphVersion == AnaglyphVersion.VOID || this.dllVersion == DllVersion.VOID) // if anaglyph filter is no selected or dll is no selected display message to user
{
MessageBox.Show("You must select the DLL and anaglyph type choice!", "Anaglyph Creator Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
// checking if the images are the same size
if (this.leftImage.GetImageInformation().imageSizeX != this.rightImage.GetImageInformation().imageSizeX ||
this.leftImage.GetImageInformation().imageSizeY != this.rightImage.GetImageInformation().imageSizeY)
{
MessageBox.Show("Left and right images must be the same size!", "Wrong image sizes", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
// checking if there are dll files
if (this.dllVersion == DllVersion.CPP_DLL && !File.Exists("DLL_C.dll"))
{
MessageBox.Show("No DLL found for the C++ algorithm!", "C++ DLL missing", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
else if (this.dllVersion == DllVersion.ASM_DLL && !File.Exists("DLL_ASM.dll"))
{
MessageBox.Show("No DLL found for the assembler algorithm!", "Asm DLL missing", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
TimerClock.ResetTimer(); // reset timer that measures algorithm time
int threadsAmount = (int)this.threadsBar.Value; // getting the number of threads
this.buttonGenerateAnaglyph.IsEnabled = false; // turning off the generate button while creating anaglyph
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
anaglyph.CreateAnaglyph(this.dllVersion, this.anaglyphVersion, rightImage.GetImageInformation(), leftImage.GetImageInformation(), threadsAmount);
}).Start(); // invoke method that creates anaglyph
}