public override void DrawShape(IView <Context, Model> view, Context context, Shape shape)
{
TextBlockShape sh = (TextBlockShape)shape;
int titleBoxHeight = 25;
int textOffsetY = 5;
context.Rectangle(sh.Location.X, sh.Location.Y + titleBoxHeight, sh.Width,
sh.Height - titleBoxHeight);
context.Save();
context.Matrix = shape.Matrix;
if (view.Mode == ViewMode.Render)
{
context.SetSourceRGB(.31, .31, .31);
context.FillPreserve();
context.SetSourceRGB(0, 0, 0);
context.Stroke();
if (sh.Title != null)
{
double titleWidth = context.TextExtents(sh.Title).Width;
double titleHeight = context.TextExtents(sh.Title).Height;
// center the title in the box
double titleX = sh.Rectangle.X + sh.Rectangle.Width / 2 - titleWidth / 2;
double titleY = sh.Rectangle.Y + titleBoxHeight / 2 + titleHeight / 2;
context.SetSourceRGB(.15, .15, .15);
context.SetFontSize(sh.FontSize);
context.SelectFontFace("Arial", FontSlant.Normal, FontWeight.Bold);
context.NewPath();
context.MoveTo(titleX, titleY);
context.ShowText(sh.Title);
context.ClosePath();
}
double toRadians = Math.PI / 180;
// arc data
double xCoord, yCoord, radius, arcStart, arcEnd;
context.SetSourceRGB(0, 0, 0);
context.NewPath();
// upper right
radius = 9;
xCoord = sh.Location.X + sh.Width - radius;
yCoord = sh.Location.Y + radius;
arcStart = 270 * toRadians;
arcEnd = 0;
context.Arc(xCoord, yCoord, radius, arcStart, arcEnd);
// lower right
radius = 0;
xCoord = sh.Location.X + sh.Width;
yCoord = titleBoxHeight + sh.Location.Y;
arcStart = 0;
arcEnd = 90 * toRadians;
context.Arc(xCoord, yCoord, radius, arcStart, arcEnd);
// lower left
radius = 0;
xCoord = sh.Location.X;
yCoord = titleBoxHeight + sh.Location.Y;
arcStart = 90 * toRadians;
arcEnd = 180 * toRadians;
context.Arc(xCoord, yCoord, radius, arcStart, arcEnd);
// upper left
radius = 9;
xCoord = sh.Location.X + radius;
yCoord = sh.Location.Y + radius;
arcStart = 180 * toRadians;
arcEnd = 270 * toRadians;
context.Arc(xCoord, yCoord, radius, arcStart, arcEnd);
context.ClosePath();
context.Stroke();
// Body
context.LineWidth = .5;
context.SetSource(sh.Style.Fill);
context.SetSourceRGB(1, 0.6, 0.2);
double instrBoxHeight = 0;
double lineY = sh.Rectangle.Y + titleBoxHeight + 15;
double lineX = sh.Rectangle.X + 5;
foreach (string line in sh.Lines)
{
context.MoveTo(lineX, lineY);
context.ShowText(line);
lineY += 15;
instrBoxHeight += context.TextExtents(line).Height + textOffsetY;
}
context.ClosePath();
}
context.Restore();
}
