private void inkCanvas_PointerMoved(object sender, PointerRoutedEventArgs e)
{
//check penId
if (e.Pointer.PointerId == penId)
{
//same input
//for eg. a mouse and pen may interact at same time , but they will be given different pointer id
//you can differentiate different key strokes of different at the same time using this
var pt = e.GetCurrentPoint(inkCanvas);
var currentPoint = pt.Position;
Windows.UI.Xaml.Shapes.Line line = new Windows.UI.Xaml.Shapes.Line();
line.X1 = startPoint.X;
line.Y1 = startPoint.Y;
line.X2 = currentPoint.X;
line.Y2 = currentPoint.Y;
line.StrokeThickness = 10;
line.Stroke = new SolidColorBrush(Colors.Red);
startPoint = currentPoint;
inkCanvas.Children.Add(line);
inkManager.ProcessPointerUpdate(pt);
}
else
{
//handle touch
}
e.Handled = true;
}
// specific Draw related
public void Drawchessboard(int i, bool horizontal)
{
var deltax = Convert.ToDouble(chessboard_background.ActualWidth) / 16;
var deltay = Convert.ToDouble(chessboard_background.ActualHeight) / 16;
Windows.UI.Xaml.Shapes.Line line;
line = new Windows.UI.Xaml.Shapes.Line();
if (horizontal == true)
{
line.X1 = deltax;
line.X2 = 15 * deltax;
line.Y1 = deltay * i;
line.Y2 = deltay * i;
}
else
{
line.Y1 = deltay;
line.Y2 = 15 * deltay;
line.X1 = deltax * i;
line.X2 = deltax * i;
}
line.X1 += 10;
line.X2 += 10;
line.Y1 += 10;
line.Y2 += 10;
line.IsHitTestVisible = false;
line.Stroke = new SolidColorBrush(Colors.Black);
line.StrokeThickness = 2.5;
chessboard_father.Children.Add(line);
chessboard_line.Add(new Chessboard_line_class(line, i, horizontal));
}
/// <summary>
/// Draws the specified line.
/// </summary>
public void Draw(DualViewsDrawingModel.Shapes.Line line)
{
Windows.UI.Xaml.Shapes.Line drawingPageCanvasLine = new Windows.UI.Xaml.Shapes.Line();
drawingPageCanvasLine.X1 = line.X1;
drawingPageCanvasLine.Y1 = line.Y1;
drawingPageCanvasLine.X2 = line.X2;
drawingPageCanvasLine.Y2 = line.Y2;
drawingPageCanvasLine.Stroke = new SolidColorBrush(Colors.Black);
_canvas.Children.Add(drawingPageCanvasLine);
}
/// <summary> Draw line. </summary>
///
/// <param name="point1.X"> The first x value. </param>
/// <param name="point1.Y"> The first y value. </param>
/// <param name="point2.X"> The second x value. </param>
/// <param name="point2.Y"> The second y value. </param>
/// <param name="isRedLine"> True if is red line, false if not. </param>
///
/// ### <remarks> Chen-Tai,Peng, 12/12/2018. </remarks>
public void DrawLine(DrawingModel.Point point1, DrawingModel.Point point2, bool isRedLine)
{
Windows.UI.Xaml.Shapes.Line line = new Windows.UI.Xaml.Shapes.Line();
line.X1 = point1.X;
line.Y1 = point1.Y;
line.X2 = point2.X;
line.Y2 = point2.Y;
line.Stroke = new SolidColorBrush(isRedLine ? Colors.Red : Colors.Black);
_canvas.Children.Add(line);
}
//draw a line
public void DrawLine(double x1, double y1, double x2, double y2)
{
Windows.UI.Xaml.Shapes.Line line = new Windows.UI.Xaml.Shapes.Line();
line.X1 = x1;
line.Y1 = y1;
line.X2 = x2;
line.Y2 = y2;
line.Stroke = new SolidColorBrush(Colors.Black);
_canvas.Children.Add(line);
}
// Create ImageCanvas_PointerMoved to handle moving a mouse pointer across an opened image.
private void ImageCanvas_PointerMoved(object sender, Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
{
Windows.Foundation.Point positionOfPointer = e.GetCurrentPoint(this.ImageCanvas).Position;
double positionOfPointerRelativeToLeftEdgeOfImageCanvas = positionOfPointer.X;
double positionOfPointerRelativeToTopEdgeOfImageCanvas = positionOfPointer.Y;
// If the image has not been clicked to draw a bounding box, or if a bounding box has been drawn and clickState reset...
if (this.ClickState == 0)
{
// Remove any horizontal and vertical lines through the mouse pointer.
this.ImageCanvas.Children.Remove((Windows.UI.Xaml.UIElement) this.ImageCanvas.FindName("horizontalPointerLine"));
this.ImageCanvas.Children.Remove((Windows.UI.Xaml.UIElement) this.ImageCanvas.FindName("verticalPointerLine"));
// Draw a new horizontal pointer line.
Windows.UI.Xaml.Shapes.Line horizontalPointerLine = new Windows.UI.Xaml.Shapes.Line();
horizontalPointerLine.Name = "horizontalPointerLine";
horizontalPointerLine.X1 = this.PositionOfLeftEdgeOfImageRelativeToLeftEdgeOfImageCanvas;
horizontalPointerLine.X2 = this.PositionOfRightEdgeOfImageRelativeToLeftEdgeOfImageCanvas;
horizontalPointerLine.Y1 = positionOfPointerRelativeToTopEdgeOfImageCanvas;
horizontalPointerLine.Y2 = positionOfPointerRelativeToTopEdgeOfImageCanvas;
horizontalPointerLine.Stroke = new Windows.UI.Xaml.Media.SolidColorBrush(Windows.UI.Colors.Black);
horizontalPointerLine.StrokeThickness = 1;
this.ImageCanvas.Children.Add(horizontalPointerLine);
// Draw a new vertical pointer line.
Windows.UI.Xaml.Shapes.Line verticalPointerLine = new Windows.UI.Xaml.Shapes.Line();
verticalPointerLine.Name = "verticalPointerLine";
verticalPointerLine.X1 = positionOfPointerRelativeToLeftEdgeOfImageCanvas;
verticalPointerLine.X2 = positionOfPointerRelativeToLeftEdgeOfImageCanvas;
verticalPointerLine.Y1 = this.PositionOfTopEdgeOfImageRelativeToTopEdgeOfImageCanvas;
verticalPointerLine.Y2 = this.PositionOfBottomEdgeOfImageRelativeToTopEdgeOfImageCanvas;
verticalPointerLine.Stroke = new Windows.UI.Xaml.Media.SolidColorBrush(Windows.UI.Colors.Black);
verticalPointerLine.StrokeThickness = 1;
this.ImageCanvas.Children.Add(verticalPointerLine);
} // if
// If the image has been clicked once, or if a bounding box has been drawn, clickState reset, and the image clicked again...
if (this.ClickState == 1)
{
// Remove any rectangle from the imageCanvas.
this.ImageCanvas.Children.Remove((Windows.UI.Xaml.UIElement) this.ImageCanvas.FindName("rectangle"));
// Add a new rectangle named rectangle between the first click point and the present location of a mouse pointer.
Windows.UI.Xaml.Shapes.Rectangle rectangle = new Windows.UI.Xaml.Shapes.Rectangle();
rectangle.Name = "rectangle";
rectangle.Fill = this.GetColor(this.TextBoxForClassIndex.Text);
rectangle.Opacity = 0.1;
rectangle.Width = System.Math.Abs(positionOfPointerRelativeToLeftEdgeOfImageCanvas - this.PositionOfFirstClickRelativeToLeftEdgeOfImageCanvas);
rectangle.Height = System.Math.Abs(positionOfPointerRelativeToTopEdgeOfImageCanvas - this.PositionOfFirstClickRelativeToTopEdgeOfImageCanvas);
Windows.UI.Xaml.Controls.Canvas.SetLeft(rectangle, System.Math.Min(positionOfPointerRelativeToLeftEdgeOfImageCanvas, this.PositionOfFirstClickRelativeToLeftEdgeOfImageCanvas));
Windows.UI.Xaml.Controls.Canvas.SetTop(rectangle, System.Math.Min(positionOfPointerRelativeToTopEdgeOfImageCanvas, this.PositionOfFirstClickRelativeToTopEdgeOfImageCanvas));
this.ImageCanvas.Children.Add(rectangle);
} // if
} // private void ImageCanvas_PointerMoved
/// <summary>
/// Draws the selection border.
/// </summary>
public void DrawSelectionBorder(DualViewsDrawingModel.Shapes.Line line)
{
Windows.UI.Xaml.Shapes.Line drawingPageCanvasLine = new Windows.UI.Xaml.Shapes.Line();
drawingPageCanvasLine.X1 = line.X1;
drawingPageCanvasLine.Y1 = line.Y1;
drawingPageCanvasLine.X2 = line.X2;
drawingPageCanvasLine.Y2 = line.Y2;
drawingPageCanvasLine.Stroke = new SolidColorBrush(Colors.Red);
drawingPageCanvasLine.StrokeDashArray = GetStrokeDashArray();
_canvas.Children.Add(drawingPageCanvasLine);
}
private void DrawPixel(int fromX, int fromY, int color)
{
var _line = new Windows.UI.Xaml.Shapes.Line();
_line.Stroke = new SolidColorBrush(Windows.UI.Color.FromArgb(255, 255, 0, 0));
_line.StrokeThickness = 5;
_line.StrokeStartLineCap = PenLineCap.Round;
_line.StrokeEndLineCap = PenLineCap.Round;
_line.StrokeDashCap = PenLineCap.Round;
_line.X1 = fromX;
_line.Y1 = fromY;
_line.X2 = fromX + 5;
_line.Y2 = fromY + 5;
canvas.Children.Add(_line);
}
public void DrawNoticeLine(int row, int col, bool black)
{
var deltax = Convert.ToDouble(chessboard_background.ActualWidth) / 16;
var deltay = Convert.ToDouble(chessboard_background.ActualHeight) / 16;
Windows.UI.Xaml.Shapes.Line line;
line = new Windows.UI.Xaml.Shapes.Line()
{
X1 = 10 + (row + 0.875) * deltax,
X2 = 10 + (row + 0.875) * deltax + 0.25 * deltax,
Y1 = 10 + (col + 1) * deltay,
Y2 = 10 + (col + 1) * deltay
};
if (black)
{
line.Stroke = new SolidColorBrush(Colors.White);
}
else
{
line.Stroke = new SolidColorBrush(Colors.Black);
}
line.StrokeThickness = 3;
chessboard_father.Children.Add(line);
chessboard_noticeline.Add(new Chessboard_notice_line_class(line, row, col, true));
line = new Windows.UI.Xaml.Shapes.Line()
{
Y1 = 10 + (col + 0.875) * deltay,
Y2 = 10 + (col + 0.875) * deltay + 0.25 * deltay,
X1 = 10 + (row + 1) * deltax,
X2 = 10 + (row + 1) * deltax
};
if (black)
{
line.Stroke = new SolidColorBrush(Colors.White);
}
else
{
line.Stroke = new SolidColorBrush(Colors.Black);
}
line.StrokeThickness = 3;
chessboard_father.Children.Add(line);
chessboard_noticeline.Add(new Chessboard_notice_line_class(line, row, col, false));
}
private void BuildChart(Shared.Dto.Wave waveFile)
{
this.PageGrid.Children.Clear();
Windows.UI.Xaml.Shapes.Line line = Utilities.SetLine(10, 10, 92, 208, Colors.Black);
this.PageGrid.Children.Add(line);
line = Utilities.SetLine(10, waveFile.PlotLines.Count, 150, 150, Colors.Black);
this.PageGrid.Children.Add(line);
this.tbAudioFileCount.Text = waveFile.Samples.Count.ToString() + " audio files";
int ctr = 0;
foreach (Shared.Dto.Line lne in waveFile.PlotLines)
{
Windows.UI.Xaml.Shapes.Line xamlLine = Utilities.SetLine(lne.lineX1, lne.lineX2, lne.lineY1, lne.lineY2, Colors.Blue);
this.PageGrid.Children.Add(xamlLine);
ctr++;
}
}
internal void drawLine(Windows.Foundation.Point?startPoint, Windows.Foundation.Point?endPoint, ref Windows.UI.Xaml.Shapes.Line line)
{
if (startPoint != null && endPoint != null && _drawLine)
{
line.X1 = startPoint.Value.X;
line.Y1 = startPoint.Value.Y;
line.X2 = endPoint.Value.X;
line.Y2 = endPoint.Value.Y;
line.Visibility = Windows.UI.Xaml.Visibility.Visible;
}
else
{
line.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
}
}
private void ShowGridLine(int number)
{
var rect = new Windows.UI.Xaml.Shapes.Line()
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
StrokeThickness = 1,
Stroke = new SolidColorBrush(Colors.White),
StrokeDashCap = PenLineCap.Round,
StrokeStartLineCap = PenLineCap.Round,
StrokeDashOffset = 40,
StrokeLineJoin = PenLineJoin.Round,
StrokeDashArray = new DoubleCollection()
{
8
}
};
var txt = new TextBlock();
var txt2 = new TextBlock();
if (number == 1)
{
txt.Text = "1";
txt2.Text = "2";
rect.Y1 = 0;
rect.Y2 = this.ActualHeight;
rect.HorizontalAlignment = HorizontalAlignment.Right;
rect.VerticalAlignment = VerticalAlignment.Stretch;
Grid.SetRowSpan(rect, 3);
}
if (number == 2)
{
rect.Y1 = 0;
rect.Y2 = this.ActualHeight;
rect.HorizontalAlignment = HorizontalAlignment.Right;
rect.VerticalAlignment = VerticalAlignment.Stretch;
Grid.SetRowSpan(rect, 3);
Grid.SetColumn(rect, 1);
}
if (number == 3)
{
rect.X1 = 0;
rect.X2 = this.ActualWidth;
rect.HorizontalAlignment = HorizontalAlignment.Stretch;
rect.VerticalAlignment = VerticalAlignment.Bottom;
Grid.SetColumnSpan(rect, 3);
}
if (number == 4)
{
rect.X1 = 0;
rect.X2 = this.ActualWidth;
rect.HorizontalAlignment = HorizontalAlignment.Stretch;
rect.VerticalAlignment = VerticalAlignment.Bottom;
Grid.SetColumnSpan(rect, 3);
Grid.SetRow(rect, 1);
}
WidgetZone.Children.Add(rect);
}
