// Implement DrawRectangle
public void DrawRectangle(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
RectangleF rectangle = GetRectangle(startPoint, endPoint);
_graphics.FillRectangle(new SolidBrush(Color.Yellow), rectangle);
_graphics.DrawRectangle(Pens.Black, System.Drawing.Rectangle.Round(rectangle));
}
// 創建 rectangle
private RectangleF GetRectangle(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
float left = (float)startPoint.GetSmallLeft(endPoint);
float top = (float)startPoint.GetSmallTop(endPoint);
float width = (float)startPoint.GetLeftDifference(endPoint);
float height = (float)startPoint.GetTopDifference(endPoint);
return(new RectangleF(new PointF(left, top), new SizeF(new PointF(width, height))));
}
// 劃出標示線
private void DrawMarkLines(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
float[] dashValues = { Constant.TWO, Constant.TWO };
Pen redPen = new Pen(Color.Red);
redPen.DashPattern = dashValues;
RectangleF rectangle = GetRectangle(startPoint, endPoint);
_graphics.DrawRectangle(redPen, System.Drawing.Rectangle.Round(rectangle));
}
// Implement DrawSixSide
public void DrawSixSide(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
Windows.UI.Xaml.Shapes.Polygon sixSide = new Windows.UI.Xaml.Shapes.Polygon();
PointCollection collection = GetSixSidePoints(startPoint, endPoint);
sixSide.Points = collection;
sixSide.Fill = new SolidColorBrush(Colors.Orange);
sixSide.Stroke = new SolidColorBrush(Colors.Black);
_canvas.Children.Add(sixSide);
}
/// <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);
}
/// <summary> Draw ellipse. </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>
public void DrawEllipse(DrawingModel.Point point1, DrawingModel.Point point2, bool isRedLine)
{
Windows.UI.Xaml.Shapes.Ellipse shape = new Windows.UI.Xaml.Shapes.Ellipse();
shape.Fill = new SolidColorBrush(Colors.AliceBlue);
shape.Stroke = new SolidColorBrush(isRedLine ? Colors.Red : Colors.Black);
shape.Width = Math.Abs(point2.X - point1.X);
shape.Height = Math.Abs(point2.Y - point1.Y);
Canvas.SetTop(shape, (point1.Y < point2.Y) ? point1.Y : point2.Y);
Canvas.SetLeft(shape, (point1.X < point2.X) ? point1.X : point2.X);
_canvas.Children.Add(shape);
}
// 劃出標示線
private void DrawMarkLines(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
DoubleCollection dashCollection = new DoubleCollection();
dashCollection.Add(Constant.TWO);
dashCollection.Add(Constant.TWO);
Windows.UI.Xaml.Shapes.Rectangle rectangle = GetRectangle(startPoint, endPoint);
rectangle.StrokeDashArray = dashCollection;
rectangle.Stroke = new SolidColorBrush(Colors.Red);
_canvas.Children.Add(rectangle);
}
// use start, end points to calculate six side points
private PointCollection GetSixSidePoints(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
double horizontalLine = CalculateHorizontalLine(startPoint, endPoint);
PointCollection points = new PointCollection();
for (int side = 0; side < Constant.SIX; side++)
{
points.Add(CalculatePointPosition(side, horizontalLine, startPoint, endPoint));
}
return(points);
}
// use start, end points to calculate six side points
private PointF[] GetSixSidePoints(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
double horizontalLine = CalculateHorizontalLine(startPoint, endPoint);
PointF[] points = new PointF[Constant.SIX];
for (int side = 0; side < Constant.SIX; side++)
{
points[side] = CalculatePointPosition(side, horizontalLine, startPoint, endPoint);
}
return(points);
}
/// <summary> Draw diamond. </summary>
///
/// <param name="x1"> The first x value. </param>
/// <param name="y1"> The first y value. </param>
/// <param name="x2"> The second x value. </param>
/// <param name="y2"> 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 DrawDiamond(DrawingModel.Point point1, DrawingModel.Point point2, bool isRedLine)
{
int middleX = (int)(point1.X + (point2.X - point1.X) / TWO);
int middleY = (int)(point1.Y + (point2.Y - point1.Y) / TWO);
System.Drawing.Point[] points = { new System.Drawing.Point(middleX, (int)point1.Y),
new System.Drawing.Point((int)point1.X, middleY),
new System.Drawing.Point(middleX, (int)point2.Y),
new System.Drawing.Point((int)point2.X, middleY) };
_graphics.FillPolygon(Brushes.BlueViolet, points);
_graphics.DrawPolygon(isRedLine ? Pens.Red : Pens.Black, points);
}
// 取得 4 個corner 的圓座標
private List <DrawingModel.Point> GetCornerPointsPosition(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
List <DrawingModel.Point> points = new List <DrawingModel.Point>();
for (int count = 0; count < Constant.FOUR; count++)
{
double left = (count % Constant.TWO == 0) ? startPoint.GetSmallLeft(endPoint) : startPoint.GetBigLeft(endPoint);
double top = (count / Constant.TWO == 0) ? startPoint.GetSmallTop(endPoint) : startPoint.GetBigTop(endPoint);
left -= Constant.MARK_CIRCLE_RADIUS;
top -= Constant.MARK_CIRCLE_RADIUS;
points.Add(new DrawingModel.Point(left, top));
}
return(points);
}
// Draw four corner
private void DrawCorners(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
List <DrawingModel.Point> points = GetCornerPointsPosition(startPoint, endPoint);
foreach (DrawingModel.Point point in points)
{
float left = (float)point.Left;
float top = (float)point.Top;
float diameter = Constant.TWO * Constant.MARK_CIRCLE_RADIUS;
RectangleF rectangle = new RectangleF(new PointF(left, top), new SizeF(new PointF(diameter, diameter)));
_graphics.FillEllipse(new SolidBrush(Color.White), rectangle);
_graphics.DrawEllipse(Pens.Black, rectangle);
}
}
// caculate horizontal line length
private double CalculateHorizontalLine(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
double length = startPoint.GetLeftDifference(endPoint);
double width = startPoint.GetTopDifference(endPoint);
double horizontalLine = 0;
if (IsLengthBiggerThanWidth(length, width))
{
horizontalLine = GetHorizontalLineWithBiggerLength(length, width);
}
else
{
horizontalLine = GetHorizontalLineWithBiggerWidth(length, width);
}
return(horizontalLine);
}
/// <summary> Draw diamond. </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 DrawDiamond(DrawingModel.Point point1, DrawingModel.Point point2, bool isRedLine)
{
Windows.UI.Xaml.Shapes.Polygon shape = new Windows.UI.Xaml.Shapes.Polygon();
int middleX = (int)(point1.X + (point2.X - point1.X) / TWO);
int middleY = (int)(point1.Y + (point2.Y - point1.Y) / TWO);
PointCollection points = new PointCollection();
points.Add(new Windows.Foundation.Point(middleX, (int)point1.Y));
points.Add(new Windows.Foundation.Point((int)point1.X, middleY));
points.Add(new Windows.Foundation.Point(middleX, (int)point2.Y));
points.Add(new Windows.Foundation.Point((int)point2.X, middleY));
shape.Points = points;
shape.Margin = new Windows.UI.Xaml.Thickness(THICK);
shape.Fill = new SolidColorBrush(Colors.AliceBlue);
shape.Stroke = new SolidColorBrush(isRedLine ? Colors.Red : Colors.Black);
_canvas.Children.Add(shape);
}
// Draw four corner
private void DrawCorners(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
List <DrawingModel.Point> points = GetCornerPointsPosition(startPoint, endPoint);
foreach (DrawingModel.Point point in points)
{
float left = (float)point.Left;
float top = (float)point.Top;
float diameter = Constant.TWO * Constant.MARK_CIRCLE_RADIUS;
Ellipse circle = new Ellipse();
circle.Width = diameter;
circle.Height = diameter;
circle.Margin = new Windows.UI.Xaml.Thickness(left, top, 0, 0);
circle.Fill = new SolidColorBrush(Colors.White);
circle.Stroke = new SolidColorBrush(Colors.Black);
_canvas.Children.Add(circle);
}
}
// use side to calculate point's position
private PointF CalculatePointPosition(int side, double horizontalLine, DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
double left = 0;
double top = 0;
double length = startPoint.GetLeftDifference(endPoint);
double width = startPoint.GetTopDifference(endPoint);
if (side % Constant.THREE == 0)
{
left = (side == 0) ? length : 0;
top = width / Constant.TWO;
}
else
{
left = (side % Constant.TWO == 0) ? length - horizontalLine : horizontalLine;
top = (side < Constant.THREE) ? 0 : width;
}
DetermineAbsolutePosition(ref left, ref top, startPoint, endPoint);
return(new PointF((float)left, (float)top));
}
// Implement DrawLine
public void DrawLine(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
_graphics.DrawLine(Pens.Black, (float)startPoint.Left, (float)startPoint.Top, (float)endPoint.Left, (float)endPoint.Top);
}
// Implement mark outlines
public void MarkOutlines(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
DrawMarkLines(startPoint, endPoint);
DrawCorners(startPoint, endPoint);
}
// Determine the position on canvas
private void DetermineAbsolutePosition(ref double left, ref double top, DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
left += startPoint.GetSmallLeft(endPoint);
top += startPoint.GetSmallTop(endPoint);
}
// Implement DrawSixSide
public void DrawSixSide(DrawingModel.Point startPoint, DrawingModel.Point endPoint)
{
PointF[] points = GetSixSidePoints(startPoint, endPoint);
_graphics.FillPolygon(new SolidBrush(Color.Orange), points);
_graphics.DrawPolygon(Pens.Black, points);
}
/// <summary> Draw line. </summary>
///
/// <param name="point1"> The first x value. </param>
/// <param name="point2"> 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)
{
_graphics.DrawLine(isRedLine ? Pens.Red : Pens.Black, (float)point1.X, (float)point1.Y, (float)point2.X, (float)point2.Y);
}