Esempio n. 1
0
        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();
        }