private void ConvolutionFilterEntry_Checked(object sender, RoutedEventArgs e)
{
int index = -1;
RadioButton btn = sender as RadioButton;
if (btn != null)
{
object item = btn.DataContext;
if (item != null)
{
index = ConvolutionFilterEntriesList.Items.IndexOf(item);
}
}
//FilterFunctionGraphViewer.Visibility = Visibility.Collapsed;
//FilterFunctionSettings.Visibility = Visibility.Collapsed;
SelectedFilterEntry = convolutionFilterEntries[index];
}
private void ConvolutionFilterDeleteButton_Click(object sender, RoutedEventArgs e)
{
int index = -1;
Button btn = sender as Button;
if (btn != null)
{
object item = ((btn.Parent as Grid).Parent as RadioButton).DataContext;
if (item != null)
{
index = ConvolutionFilterEntriesList.Items.IndexOf(item);
}
}
if (convolutionFilterEntries[index] == SelectedFilterEntry)
{
SelectedFilterEntry = null;
}
convolutionFilterEntries.RemoveAt(index);
}
private void SetupModule()
{
originalImage = currentImage = new BitmapImage(new Uri("/Res/ClaymoreRoomba.png", UriKind.Relative));
Viewer.Source = originalImage;
FilterFunctionGraphViewer.Visibility = Visibility.Collapsed;
FilterFunctionSettings.Visibility = Visibility.Collapsed;
FilterFunctionDitheringSettings.Visibility = Visibility.Collapsed;
FilterFunctionQuantizationSettings.Visibility = Visibility.Collapsed;
// ------------ Function filters ------------
activeDraggingPoints = new List <Ellipse>();
functionGraphPoints = new PointCollection();
functionFilterEntries = new ObservableCollection <FilterEntry>();
FunctionFilterEntriesList.ItemsSource = functionFilterEntries;
unsafe
{
functionFilterEntries.Add(new FilterEntry(FilterEntryType.Graph, "Inversion", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateGraph), new Graph(FilterSettings.inversionFunctionPoints.ConvertAll(p => new GraphPoint((int)p.Value.X, (int)p.Value.Y)))))));
functionFilterEntries.Add(new FilterEntry(FilterEntryType.Graph, "Brightness Correction", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateGraph), new Graph(FilterSettings.brightnessCorrectionFunctionPoints.ConvertAll(p => new GraphPoint((int)p.Value.X, (int)p.Value.Y)))))));
functionFilterEntries.Add(new FilterEntry(FilterEntryType.Graph, "Contrast Enhancement", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateGraph), new Graph(FilterSettings.contrastEnhancementFunctionPoints.ConvertAll(p => new GraphPoint((int)p.Value.X, (int)p.Value.Y)))))));
functionFilterEntries.Add(new FilterEntry(FilterEntryType.Function, "Gamma Correction", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateGamma), FilterSettings.gammaCoefficient))));
functionFilterEntries.Add(new FilterEntry(FilterEntryType.Function, "Grayscale", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateGrayscale)))));
functionFilterEntries.Add(new FilterEntry(FilterEntryType.Function, "Average Dithering", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateAverageDithering), FilterSettings.averageDithering_k))));
functionFilterEntries.Add(new FilterEntry(FilterEntryType.Function, "Octree Color Quantization", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateOctreeColorQuantization), FilterSettings.octreeColorQuantization_maxColors))));
}
// Add new filter button
Button addNewFunctionFilterButton = new Button()
{
};
addNewFunctionFilterButton.Content = "+";
addNewFunctionFilterButton.Margin = new Thickness(3);
addNewFunctionFilterButton.Width = 18;
addNewFunctionFilterButton.Height = 18;
addNewFunctionFilterButton.Click += (senderButton, argsButton) =>
{
unsafe
{
FilterEntry newFunctionEntry = new FilterEntry(FilterEntryType.Graph, "Custom", new FunctionFilter(new FunctionFormula(new FilterSettings.FunctionFormula_Formula(FilterSettings.CalculateGraph), new Graph(FilterSettings.identityFunctionPoints.ConvertAll(p => new GraphPoint((int)p.Value.X, (int)p.Value.Y))))));
functionFilterEntries.Add(newFunctionEntry);
}
FunctionFilterListButton.Children.RemoveAt(FunctionFilterListButton.Children.Count - 1); // Remove button from stackpanel
FunctionFilterListButton.Children.Add(addNewFunctionFilterButton); // Add button again to stackpanel
};
FunctionFilterListButton.Children.Add(addNewFunctionFilterButton);
// ------------ Convolution filters ------------
convolutionFilterEntries = new ObservableCollection <FilterEntry>();
ConvolutionFilterEntriesList.ItemsSource = convolutionFilterEntries;
convolutionFilterEntries.Add(new FilterEntry(FilterEntryType.Convolution, "Blur", new ConvolutionFilter(FilterSettings.blurKernel, FilterSettings.blurDivisor)));
convolutionFilterEntries.Add(new FilterEntry(FilterEntryType.Convolution, "Gaussinan Blur", new ConvolutionFilter(FilterSettings.gaussianBlurKernel, FilterSettings.gaussianBlurDivisor)));
convolutionFilterEntries.Add(new FilterEntry(FilterEntryType.Convolution, "Sharpen", new ConvolutionFilter(FilterSettings.sharpenKernel, FilterSettings.sharpenDivisor)));
convolutionFilterEntries.Add(new FilterEntry(FilterEntryType.Convolution, "Edge Detection", new ConvolutionFilter(FilterSettings.edgeDetectionKernel, FilterSettings.edgeDetectionDivisor)));
convolutionFilterEntries.Add(new FilterEntry(FilterEntryType.Convolution, "Emboss", new ConvolutionFilter(FilterSettings.embossKernel, FilterSettings.embossDivisor)));
}
private void FunctionFilterEntry_Checked(object sender, RoutedEventArgs e)
{
FilterFunctionSettings.Visibility = Visibility.Visible;
int index = -1;
RadioButton btn = sender as RadioButton;
if (btn != null)
{
object item = btn.DataContext;
if (item != null)
{
index = FunctionFilterEntriesList.Items.IndexOf(item);
}
}
SelectedFilterEntry = functionFilterEntries[index];
if (SelectedFilterEntry.Name == "Average Dithering") // Load function K settings
{
FilterFunctionDitheringSettings.Visibility = Visibility.Visible;
}
if (SelectedFilterEntry.Name == "Octree Color Quantization") // Load function color settings
{
FilterFunctionQuantizationSettings.Visibility = Visibility.Visible;
}
if (SelectedFilterEntry.Type == FilterEntryType.Graph) // Load function graph viewer if function graph is available in filter
{
FunctionFormula selectedFunctionGraph = (((SelectedFilterEntry.Filter as FunctionFilter).Function as FunctionFormula));
//// Draw graph
FilterFunctionGraphViewer.Visibility = Visibility.Visible;
// Clear previous graph
for (int p = activeDraggingPoints.Count - 1; p >= 0; p--)
{
FilterFunctionGraph.Children.Remove(activeDraggingPoints[p]);
activeDraggingPoints.Remove(activeDraggingPoints[p]);
}
if (functionGraph != null)
{
FilterFunctionGraph.Children.Remove(functionGraph); // Remove line
}
functionGraphPoints.Clear(); // Remove line
// Add new dragging points
for (int p = 0; p < (selectedFunctionGraph.otherFunctionParams[0] as Graph).points.Count; p++)
{
CreateDraggingPoint(p);
}
Ellipse CreateDraggingPoint(int p)
{
Ellipse draggingPoint = new Ellipse()
{
};
draggingPoint.Width = DRAGGING_POINT_SIZE;
draggingPoint.Height = DRAGGING_POINT_SIZE;
draggingPoint.Cursor = Cursors.Hand;
draggingPoint.Fill = new SolidColorBrush(Colors.Black);
draggingPoint.Fill.Opacity = 0;
draggingPoint.Stroke = new SolidColorBrush(Colors.Black);
Point canvasPoint = CalculateCanvasPositionFromPointValue((selectedFunctionGraph.otherFunctionParams[0] as Graph).points[p]);
Canvas.SetLeft(draggingPoint, canvasPoint.X);
Canvas.SetTop(draggingPoint, canvasPoint.Y);
Panel.SetZIndex(draggingPoint, 5); // Higher means top
draggingPoint.MouseLeftButtonDown += (senderPoint, argsPoint) =>
{
activeDraggingPoint = draggingPoint;
draggingPoint.Fill.Opacity = 1;
drag = true; // start dragging
draggingStartPoint = Mouse.GetPosition(FilterFunctionGraph); // save start point of dragging
int draggedItemIndex = activeDraggingPoints.IndexOf(senderPoint as Ellipse);
if (draggedItemIndex != 0 && draggedItemIndex != activeDraggingPoints.Count - 1) //If not first or last
{
previousDraggingPoint = activeDraggingPoints[draggedItemIndex - 1];
nextDraggingPoint = activeDraggingPoints[draggedItemIndex + 1];
}
};
draggingPoint.MouseMove += (senderPoint, argsPoint) =>
{
// if dragging, then adjust rectangle position based on mouse movement
if (drag)
{
Ellipse draggedItem = senderPoint as Ellipse;
int draggedItemIndex = activeDraggingPoints.IndexOf(senderPoint as Ellipse);
Point newPoint = Mouse.GetPosition(FilterFunctionGraph);
// Restrain dragging
if (newPoint.Y < 0)
{
newPoint.Y = 0;
}
if (newPoint.Y > FilterFunctionGraph.ActualHeight + DRAGGING_POINT_SIZE / 2)
{
newPoint.Y = FilterFunctionGraph.ActualHeight + DRAGGING_POINT_SIZE / 2;
}
if (draggedItemIndex != 0 && draggedItemIndex != activeDraggingPoints.Count - 1) //If not first or last
{
double previousDraggingPointX = Canvas.GetLeft(previousDraggingPoint) + MINIMAL_DRAGGING_POINT_MARGIN + DRAGGING_POINT_SIZE / 2;
double nextDraggingPointX = Canvas.GetLeft(nextDraggingPoint) - MINIMAL_DRAGGING_POINT_MARGIN + DRAGGING_POINT_SIZE / 2;
if (newPoint.X < previousDraggingPointX)
{
newPoint.X = previousDraggingPointX;
}
if (newPoint.X > nextDraggingPointX)
{
newPoint.X = nextDraggingPointX;
}
}
double left = Canvas.GetLeft(draggedItem);
double top = Canvas.GetTop(draggedItem);
double newLeft = left;
if (draggedItemIndex != 0 && draggedItemIndex != activeDraggingPoints.Count - 1) //If not first or last
{
newLeft += (newPoint.X - draggingStartPoint.X);
}
double newTop = top + (newPoint.Y - draggingStartPoint.Y);
Canvas.SetLeft(draggedItem, newLeft);
Canvas.SetTop(draggedItem, newTop);
// Update line
functionGraphPoints[draggedItemIndex] = new Point(newLeft + DRAGGING_POINT_SIZE / 2, newTop + DRAGGING_POINT_SIZE / 2);
functionGraph.Points = functionGraphPoints;
draggingStartPoint = newPoint;
}
};
draggingPoint.MouseLeftButtonUp += (senderPoint, argsPoint) =>
{
StopDraggingPoint(senderPoint, selectedFunctionGraph);
};
draggingPoint.MouseLeave += (senderPoint, argsPoint) =>
{
StopDraggingPoint(senderPoint, selectedFunctionGraph);
};
FilterFunctionGraph.Children.Insert(p, draggingPoint); // Draw points on canvas
activeDraggingPoints.Insert(p, draggingPoint);
return(draggingPoint);
}
// Draw line on canvas
functionGraphPoints = new PointCollection();
for (int i = 0; i < activeDraggingPoints.Count; i++)
{
Ellipse draggingPoint = activeDraggingPoints[i];
Point draggingPointPosition = new Point(Canvas.GetLeft(draggingPoint) + DRAGGING_POINT_SIZE / 2, Canvas.GetTop(draggingPoint) + DRAGGING_POINT_SIZE / 2);
functionGraphPoints.Add(draggingPointPosition);
}
functionGraph = new Polyline();
functionGraph.Points = functionGraphPoints;
functionGraph.Stroke = new SolidColorBrush(Colors.Black);
functionGraph.StrokeThickness = 1.5;
functionGraph.Cursor = Cursors.Hand;
functionGraph.MouseLeftButtonDown += (object sender2, MouseButtonEventArgs e2) => {
Point mousePosition = e2.GetPosition(FilterFunctionGraph);
//Calculate new point value
Point newGraphPoint = CalculatePointValueFromCanvasPosition(new Point(mousePosition.X - DRAGGING_POINT_SIZE / 2, mousePosition.Y + DRAGGING_POINT_SIZE / 2));
// Add new point to graph function
int graphPointIndex = (((SelectedFilterEntry.Filter as FunctionFilter).Function as FunctionFormula).otherFunctionParams[0] as Graph).AddPoint(new GraphPoint((int)newGraphPoint.X, (int)newGraphPoint.Y));
Ellipse draggingPoint = CreateDraggingPoint(graphPointIndex);
//Deselect active dragging point and select this one
SelectActiveDraggingPoint(draggingPoint);
// Update line
Point draggingPointPosition = new Point(Canvas.GetLeft(draggingPoint) + DRAGGING_POINT_SIZE / 2, Canvas.GetTop(draggingPoint) + DRAGGING_POINT_SIZE / 2);
functionGraphPoints.Insert(graphPointIndex, draggingPointPosition);
functionGraph.Points = functionGraphPoints;
};
FilterFunctionGraph.Children.Add(functionGraph);
}
else // For filters that do not have function graph available
{
FilterFunctionGraphViewer.Visibility = Visibility.Collapsed;
}
}