public void DrawLine(double x0, double y0, double x1, double y1, DicomColor color, LineType lineType)
{
x0 *= Canvas.ActualWidth;
x1 *= Canvas.ActualWidth;
y1 *= Canvas.ActualHeight;
y0 *= Canvas.ActualHeight;
Line line = new Line();
line.Stroke = new SolidColorBrush(DicomColorConverter.FromDicomColor(color));
if (lineType != LineType.Normal)
{
line.StrokeDashArray = new DoubleCollection();
if (lineType == LineType.Dotted)
{
line.StrokeDashArray.Add(1);
line.StrokeDashArray.Add(1);
}
else if (lineType == LineType.Dashed)
{
line.StrokeDashArray.Add(2);
line.StrokeDashArray.Add(2);
}
}
line.StrokeThickness = 1;
line.X1 = x0;
line.X2 = x1;
line.Y1 = y0;
line.Y2 = y1;
Canvas?.Children.Add(line);
}
public void DrawLines(double[] vertices, DicomColor color)
{
var actualColor = WriteableBitmapExtensions.ConvertColor(DicomColorConverter.FromDicomColor(color));
using (var context = _bitmap.GetBitmapContext())
{
for (int i = 0; i < vertices.Length; i += 4)
{
WriteableBitmapExtensions.DrawLine(context, context.Width, context.Height, transxi(vertices[i]), transyi(vertices[i + 1]), transxi(vertices[i + 2]), transyi(vertices[i + 3]), actualColor);
}
}
}
private Color getCachedColor(DicomColor dicomColor)
{
Color color;
if (!cachedColors.ContainsKey(dicomColor))
{
color = DicomColorConverter.FromDicomColor(dicomColor);
cachedColors.Add(dicomColor, color);
}
else
{
color = cachedColors[dicomColor];
}
return(color);
}
public void DrawRect(double x0, double y0, double x1, double y1, DicomColor color)
{
x0 *= Canvas.ActualWidth;
x1 *= Canvas.ActualWidth;
y1 *= Canvas.ActualHeight;
y0 *= Canvas.ActualHeight;
Rectangle rectangle = new Rectangle();
rectangle.Stroke = new SolidColorBrush(DicomColorConverter.FromDicomColor(color));
rectangle.Width = Math.Abs(x1 - x0);
rectangle.Height = Math.Abs(y1 - y0);
Canvas.SetLeft(rectangle, Math.Min(x0, x1));
Canvas.SetTop(rectangle, Math.Min(y0, y1));
Canvas?.Children.Add(rectangle);
}
public void DrawEllipse(double x0, double y0, double radiusX, double radiusY, DicomColor color)
{
x0 *= Canvas.ActualWidth;
y0 *= Canvas.ActualHeight;
radiusX *= Canvas.ActualWidth;
radiusY *= Canvas.ActualHeight;
Ellipse ellipse = new Ellipse();
ellipse.Stroke = new SolidColorBrush(DicomColorConverter.FromDicomColor(color));
ellipse.Width = Math.Abs(radiusX);
ellipse.Height = Math.Abs(radiusY);
Canvas.SetLeft(ellipse, x0 - radiusX / 2);
Canvas.SetTop(ellipse, y0 - radiusY / 2);
Canvas?.Children.Add(ellipse);
}
public void DrawString(string text, double x, double y, double size, DicomColor color)
{
TextBlock tb = new TextBlock();
var dse = new DropShadowEffect();
dse.BlurRadius = 1;
dse.ShadowDepth = 4;
dse.Direction = 0;
tb.FontSize = size;
tb.Foreground = new SolidColorBrush(DicomColorConverter.FromDicomColor(color));
tb.Text = text;
Canvas.SetLeft(tb, x * Canvas.ActualWidth);
Canvas.SetTop(tb, y * Canvas.ActualHeight);
FormattedText fm = new FormattedText(tb.Text, System.Globalization.CultureInfo.CurrentCulture, System.Windows.FlowDirection.LeftToRight, new Typeface(tb.FontFamily, tb.FontStyle, tb.FontWeight, tb.FontStretch), tb.FontSize, tb.Foreground);
FillRect(x, y, x + fm.Width / Canvas.ActualWidth, y + fm.Height / Canvas.ActualHeight, DicomColor.FromArgb(128, 0, 0, 0), DicomColor.FromArgb(0, 0, 0, 0));
Canvas?.Children.Add(tb);
}
public void DrawString(string text, double x, double y, double size, DicomColor color)
{
_bitmap.DrawString(transxi(x), transyi(y), DicomColorConverter.FromDicomColor(color), new PortableFontDesc("Aria", (int)((double)size / 1.5)), text);
}
public void FillRect(double x0, double y0, double x1, double y1, DicomColor fill, DicomColor stroke)
{
int y0i = transyi(y0);
int y1i = transyi(y1);
_bitmap.FillRectangle(transxi(x0), transyi(y0), transxi(x1), transyi(y1), DicomColorConverter.FromDicomColor(fill));
DrawRect(x0, y0, x1, y1, stroke);
}
public void DrawRect(double x0, double y0, double x1, double y1, DicomColor color)
{
int y0i = transyi(y0);
int y1i = transyi(y1);
_bitmap.DrawRectangle(transxi(x0), transyi(y0), transxi(x1), transyi(y1), DicomColorConverter.FromDicomColor(color));
}
public void DrawEllipse(double x0, double y0, double radiusX, double radiusY, DicomColor color)
{
_bitmap.DrawEllipseCentered(transxi(x0), transyi(y0), transxi(radiusX / 2), transyi(radiusY / 2), DicomColorConverter.FromDicomColor(color));
}
