public void RunOnce(GDIRenderer aPort) { int cxClient = fSize.Width; int cyClient = fSize.Height; aPort.SaveState(); GDIPen rectPen = new GDICosmeticPen(PenStyle.Solid, RGBColor.Black, Guid.NewGuid()); GDISolidBrush rectBrush = new GDISolidBrush(RGBColor.White); // Do a rectangle Rectangle rect = Rectangle.FromLTRB(cxClient / 8, cyClient / 8, (7 * cxClient / 8), (7 * cyClient / 8)); aPort.FillRectangle(rectBrush, rect.Left, rect.Top, rect.Width, rect.Height); aPort.DrawRectangle(rectPen, rect.Left, rect.Top, rect.Width, rect.Height); // Now do a couple of lines using a dash/dot/dot pen GDIPen aPen = new GDIPen(PenType.Cosmetic, PenStyle.DashDotDot, PenJoinStyle.Round, PenEndCap.Round, RGBColor.Black, 1, Guid.NewGuid()); aPort.DrawLine(aPen, new Point(0, 0), new Point(cxClient, cyClient)); aPort.DrawLine(aPen, new Point(0, cyClient), new Point(cxClient, 0)); // Now an ellipse aPort.DrawEllipse(aPen, rect); // Last, a rounded rectangle Rectangle rRect = Rectangle.FromLTRB(cxClient / 4, cyClient / 4, 3 * cxClient / 4, 3 * cyClient / 4); aPort.DrawRoundRect(aPen, rRect, cxClient / 4, cyClient / 4); aPort.ResetState(); }
public void RunOnce(GDIRenderer aPort) { aPort.SaveState(); // Select a gray brush to draw with aPort.UseDefaultBrush(); aPort.UseDefaultPen(); aPort.SetDefaultBrushColor(RGBColor.DarkGreen); aPort.SetDefaultPenColor(RGBColor.Black); // Flip the coordinate system so 0,0 is in the lower left aPort.SetMappingMode(MappingModes.LoEnglish); //aPort.SetViewportOrigin(0, fSize.Width); aPort.ScaleTransform(1, -1); aPort.Flush(); GDIPen rectPen = new GDICosmeticPen(PenStyle.Solid, RGBColor.Red, Guid.NewGuid()); GDIBrush rectBrush = new GDISolidBrush(RGBColor.DarkCyan); for (int i = 0; i < 4; i++) { //aPort.DrawRectangle(rectPen, rects[i].Left, rects[i].Top, rects[i].Width, rects[i].Height); aPort.StrokeAndFillRectangle(rectPen, rectBrush, rects[i]); } aPort.Flush(); aPort.ResetState(); }
public void RunOnce(GDIRenderer aPort) { aPort.SaveState(); GDIPen rectPen = new GDICosmeticPen(PenStyle.Solid, RGBColor.Red, Guid.NewGuid()); GDIBrush rectBrush = new GDISolidBrush(RGBColor.Pink); for (int coord = 10; coord < fSize.Height; coord += 50) { aPort.FillRectangle(rectBrush, coord, coord, 200, 200); aPort.DrawRectangle(rectPen, coord, coord, 200, 200); } aPort.ResetState(); }
public void RunOnce(GDIRenderer aPort) { aPort.SaveState(); // Orient the axis with origin at upper // left hand corner, y-axis positive going down the screen aPort.SetMappingMode(MappingModes.Text); // Draw the curve aPort.DrawBeziers(fBlackPen, fFigure); // Draw the control lines // Control line 1 aPort.DrawLine(fRedPen, new Point(fFigure[0].X, fFigure[0].Y), new Point(fFigure[1].X, fFigure[1].Y)); // Control line 2 aPort.DrawLine(fRedPen, new Point(fFigure[2].X, fFigure[2].Y), new Point(fFigure[3].X, fFigure[3].Y)); aPort.Flush(); aPort.ResetState(); }
public void RunOnce(GDIRenderer aPort) { int i; int cxClient = fSize.Width; int cyClient = fSize.Height; Point[] points = new Point[fNumSegments]; aPort.SaveState(); GDIPen redPen = new GDIPen(RGBColor.Red); aPort.DrawLine(redPen, new Point(0, cyClient/2), new Point(cxClient, cyClient / 2)); GDIPen blackPen = new GDIPen(RGBColor.Black); for (i = 0; i < fNumSegments; i++) { points[i].X = i * cxClient / fNumSegments; points[i].Y = (int)(((double)cyClient/2.0f)*(1.0f-Math.Sin(Math.PI*2.0f*(double)i/(double)fNumSegments))); } aPort.DrawLines(blackPen, points); aPort.ResetState(); }