private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NPaintVisitor pv = args.PaintVisitor; pv.ClearStyles(); if (m_PaintImageInRectangle) { pv.PaintImage(NResources.Image_JpegSuite_q080_jpg.ImageSource, new NRectangle(m_PosX, m_PosY, m_Width, m_Height)); } else { pv.PaintImage(NResources.Image_JpegSuite_q080_jpg.ImageSource, new NPoint(m_PosX, m_PosY)); } // paint a border around the canvas pv.SetStroke(NColor.Black, 1); pv.PaintRectangle(0, 0, canvas.Width, canvas.Height); }
void OnCanvasPrePaint(NCanvasPaintEventArgs arg) { for (int i = 0; i < m_TouchPoints.Count; i++) { m_TouchPoints[i].Paint(arg.PaintVisitor); } }
void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NStroke stroke = (NStroke)canvas.Tag; NPaintVisitor visitor = args.PaintVisitor; visitor.SetStroke(stroke); visitor.SetFill(null); double strokeWidth = stroke.Width; double rectWidth = 300; double ellipseWidth = 150; double polylineWidth = 180; double dist = 20; double x1 = 10 + strokeWidth / 2; double x2 = x1 + rectWidth + dist + strokeWidth; double x3 = x2 + ellipseWidth; double x4 = x3 + dist + strokeWidth; double x5 = x4 + polylineWidth + dist + strokeWidth / 2; double y1 = 10 + strokeWidth / 2; double y2 = y1 + strokeWidth + 10; double y3 = y1 + 50; // draw a horizontal line visitor.PaintLine(x1, y1, x3, y1); // draw a rectangle visitor.PaintRectangle(x1, y2, rectWidth, 100); // draw an ellipse visitor.PaintEllipse(x2, y2, ellipseWidth, 100); // draw a polyline NPolyline polyLine = new NPolyline(4); polyLine.Add(new NPoint(x4, y2 + 90)); polyLine.Add(new NPoint(x4 + 60, y2)); polyLine.Add(new NPoint(x4 + 120, y2 + 90)); polyLine.Add(new NPoint(x4 + 180, y2)); visitor.PaintPolyline(polyLine); // draw text string dashStyleName = stroke.DashStyle.ToString(); visitor.ClearStroke(); visitor.SetFont(m_LabelFont); visitor.SetFill(m_LabelFill); NPaintTextRectSettings settings = new NPaintTextRectSettings(); visitor.PaintString(new NRectangle(x5, y3, 200, 50), dashStyleName, ref settings); }
void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } PaintPrimitiveDelegate paintDelegate = canvas.Tag as PaintPrimitiveDelegate; if (paintDelegate == null) { throw new Exception("The canvas has no assigned paint delegate."); } // Clear all styles and set the shadow args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetShadow(m_Shadow); // Paint the scene for the current canvas paintDelegate(args.PaintVisitor, canvas.Width, canvas.Height); // Paint a bounding rectangle for the canvas args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetStroke(NColor.Red, 1); args.PaintVisitor.PaintRectangle(0, 0, canvas.Width, canvas.Height); }
private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } // Create a transform matrix for the graphics path NMatrix matrix = NMatrix.CreateRotationMatrix(m_PathAngle * NAngle.Degree2Rad, NPoint.Zero); matrix.Translate(m_PathPositionX, m_PathPositionY); // Create a graphics path containing a rectangle and transform it NGraphicsPath path = new NGraphicsPath(); path.AddRectangle(0, 0, RectWidth, RectHeight); path.Transform(matrix); // Paint the graphics path NPaintVisitor pv = args.PaintVisitor; pv.SetStroke(m_Stroke); pv.SetFill(m_ImageFill); pv.PaintPath(path); // Paint a border around the canvas pv.ClearFill(); pv.SetStroke(NColor.Black, 1); pv.PaintRectangle(0, 0, canvas.Width, canvas.Height); }
private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NPaintVisitor pv = args.PaintVisitor; int count = m_Values.Length; // calculate total value double total = 0; for (int i = 0; i < count; i++) { total += m_Values[i]; } // paint the pie slices double beginAngle = 0; pv.ClearStyles(); for (int i = 0; i < count; i++) { double sweepAngle = NMath.PI2 * (m_Values[i] / total); NGraphicsPath path = new NGraphicsPath(); path.AddPie(0.1 * W, 0.1 * H, 0.8 * W, 0.8 * H, beginAngle, sweepAngle); if (i == 0) { const double detachment = 20; double midAngle = beginAngle + sweepAngle / 2; double dx = Math.Cos(midAngle) * detachment; double dy = Math.Sin(midAngle) * detachment; path.Translate(dx, dy); } pv.SetFill(m_ColorFills[i]); pv.PaintPath(path); beginAngle += sweepAngle; } // paint a border around the canvas pv.ClearFill(); pv.SetStroke(NColor.Black, 1); pv.PaintRectangle(0, 0, canvas.Width, canvas.Height); }
/// <summary> /// /// </summary> /// <param name="args"></param> private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NPaintVisitor paintVisitor = args.PaintVisitor; NRectangle contentEge = canvas.GetContentEdge(); // create the text bounds double width = contentEge.Width * m_WidthPercentUpDown.Value / 100.0; double height = contentEge.Height * m_HeightPercentUpDown.Value / 100.0; NPoint center = contentEge.Center; NRectangle textBounds = new NRectangle(center.X - width / 2.0, center.Y - height / 2.0, width, height); // create the settings NPaintTextRectSettings settings = new NPaintTextRectSettings(); settings.SingleLine = m_SingleLineCheckBox.Checked; settings.WrapMode = (ENTextWrapMode)m_WrapModeCombo.SelectedIndex; settings.HorzAlign = (ENTextHorzAlign)m_HorizontalAlignmentCombo.SelectedIndex; settings.VertAlign = (ENTextVertAlign)m_VerticalAlignmentCombo.SelectedIndex; // create the text StringBuilder builder = new StringBuilder(); builder.AppendLine("Paint text at bounds [" + textBounds.X.ToString("0.") + ", " + textBounds.Y.ToString("0.") + "]"); builder.AppendLine("Horizontal Alignment [" + settings.HorzAlign.ToString() + "]"); builder.AppendLine("Vertical Alignment [" + settings.VertAlign.ToString() + "]"); // paint the bounding box paintVisitor.ClearStyles(); paintVisitor.SetFill(NColor.LightBlue); paintVisitor.PaintRectangle(textBounds); // init font and fill paintVisitor.SetFill(NColor.Black); NFont font = new NFont(NFontDescriptor.DefaultSansFamilyName, 10); NGraphicsPath path = font.GetTextPath(builder.ToString(), textBounds, this.OwnerDocument, ref settings); paintVisitor.PaintPath(path); }
private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NFill fill = (NFill)canvas.Tag; args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetFill(fill); args.PaintVisitor.PaintRectangle(0, 0, canvas.Width, canvas.Height); }
/// <summary> /// /// </summary> /// <param name="args"></param> private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NPaintVisitor paintVisitor = args.PaintVisitor; NRectangle contentEge = canvas.GetContentEdge(); // create the text bounds double width = contentEge.Width * 0.5; double height = contentEge.Height * 0.5; NPoint center = contentEge.Center; NRectangle textBounds = new NRectangle(center.X - width / 2.0, center.Y - height / 2.0, width, height); // create the settings NPaintTextRectSettings settings = new NPaintTextRectSettings(); settings.SingleLine = false; settings.WrapMode = ENTextWrapMode.WordWrap; settings.HorzAlign = ENTextHorzAlign.Center; settings.VertAlign = ENTextVertAlign.Center; // create the text StringBuilder builder = new StringBuilder(); builder.AppendLine("This text is displayed using Liberation Fonts!"); builder.AppendLine("distributed under the SIL Open Font License (OFL)"); // paint the bounding box paintVisitor.ClearStyles(); paintVisitor.SetFill(NColor.LightBlue); paintVisitor.PaintRectangle(textBounds); // init font and fill paintVisitor.SetFill(NColor.Black); ENFontStyle fontStyle = NFontFaceDescriptor.FontVariantToFontStyle(m_FontDescriptor.FontVariant); paintVisitor.SetFont(new NFont(m_FontDescriptor.FamilyName, 10, fontStyle)); // paint the text paintVisitor.PaintString(textBounds, builder.ToString(), ref settings); }
private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NGraphicsPath path = (NGraphicsPath)canvas.Tag; args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetStroke(m_Stroke); args.PaintVisitor.SetFill(Fill); args.PaintVisitor.PaintPath(path, ENFillRule.EvenOdd); }
/// <summary> /// /// </summary> /// <param name="args"></param> private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NPaintVisitor paintVisitor = args.PaintVisitor; NRectangle contentEge = canvas.GetContentEdge(); // create the settings NPaintTextRectSettings settings = new NPaintTextRectSettings(); settings.SingleLine = false; settings.WrapMode = ENTextWrapMode.WordWrap; settings.HorzAlign = ENTextHorzAlign.Left; settings.VertAlign = ENTextVertAlign.Top; // create the text string text = m_TextBox.Text; // calculate the text bounds the text bounds double resolution = canvas.OwnerDocument.GetEffectiveResolution(); NFont font = new NFont(NFontDescriptor.DefaultSansFamilyName, 10, ENFontStyle.Regular); NSize textSize = font.MeasureString(text.ToCharArray(), resolution, contentEge.Width, false, ref settings); NPoint center = contentEge.Center; NRectangle textBounds = new NRectangle( center.X - textSize.Width / 2.0, center.Y - textSize.Height / 2.0, textSize.Width, textSize.Height); // paint the bounding box paintVisitor.ClearStyles(); paintVisitor.SetFill(NColor.LightBlue); paintVisitor.PaintRectangle(textBounds); // init font and fill paintVisitor.SetFill(NColor.Black); paintVisitor.SetFont(font); // paint the text paintVisitor.PaintString(textBounds, text.ToCharArray(), ref settings); }
private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { args.PaintVisitor.PushTransform(NMatrix.CreateTranslationMatrix(10, 10)); // input path interiors if (m_ShowInputPathInteriors.Checked) { args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetFill(NColor.LightBlue); for (int i = 0; i < m_InputPaths.Count; i++) { args.PaintVisitor.PaintPath(m_InputPaths[i]); } } // input path outlines if (m_ShowInputPathOutlines.Checked) { args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetStroke(NColor.Black, 1); for (int i = 0; i < m_InputPaths.Count; i++) { args.PaintVisitor.PaintPath(m_InputPaths[i]); } } // output path interior if (m_ShowOutputPathInterior.Checked) { args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetFill(new NColor(NColor.LightCoral, 128)); args.PaintVisitor.PaintPath(m_OutputPath); } // output path outline if (m_ShowOutputPathOutline.Checked) { args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetStroke(NColor.Black, 2); args.PaintVisitor.PaintPath(m_OutputPath); } args.PaintVisitor.PopTransform(); }
/// <summary> /// /// </summary> /// <param name="args"></param> private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } NPaintVisitor paintVisitor = args.PaintVisitor; NPaintTextPointSettings settings = new NPaintTextPointSettings(); settings.SingleLine = m_SingleLineCheckBox.Checked; settings.VertAlign = (ENTextVertAlign)m_VerticalAlignmentCombo.SelectedItem.Tag; settings.HorzAlign = (ENTextHorzAlign)m_HorizontalAlignmentCombo.SelectedItem.Tag; NPoint location = canvas.GetContentEdge().Center; // set styles paintVisitor.ClearStyles(); paintVisitor.SetFont(new NFont(NFontDescriptor.DefaultSansFamilyName, 10)); paintVisitor.SetFill(NColor.Black); // create text to paint StringBuilder builder = new StringBuilder(); builder.AppendLine("Paint text at location [" + location.X.ToString("0.") + ", " + location.Y.ToString("0.") + "]"); builder.AppendLine("Horizontal Alignment [" + settings.HorzAlign.ToString() + "]"); builder.AppendLine("Vertical Alignment [" + settings.VertAlign.ToString() + "]"); // paint string paintVisitor.PaintString(location, builder.ToString(), ref settings); // paint location double inflate = 5.0; paintVisitor.SetFill(NColor.Red); paintVisitor.PaintRectangle(new NRectangle(location.X - inflate, location.Y - inflate, inflate * 2.0, inflate * 2.0)); }
private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } PaintPrimitiveDelegate paintDelegate = canvas.Tag as PaintPrimitiveDelegate; if (paintDelegate == null) { throw new Exception("The canvas has no assigned paint delegate."); } args.PaintVisitor.ClearStyles(); args.PaintVisitor.SetStroke(m_Stroke); args.PaintVisitor.SetFill(Fill); paintDelegate(args.PaintVisitor, canvas.Width, canvas.Height); }
private void OnCanvasPrePaint(NCanvasPaintEventArgs args) { NCanvas canvas = args.TargetNode as NCanvas; if (canvas == null) { return; } canvas.HorizontalPlacement = ENHorizontalPlacement.Center; canvas.VerticalPlacement = ENVerticalPlacement.Center; NPaintVisitor pv = args.PaintVisitor; pv.ClearStyles(); pv.SetStroke(NColor.MidnightBlue, 1); pv.SetFill(NColor.LightSteelBlue); NMatrix m1 = NMatrix.Identity; m1.Rotate(NAngle.Degree2Rad * m_Angle1); NMatrix m2 = NMatrix.Identity; m2.Rotate(NAngle.Degree2Rad * m_Angle2); m2.Translate(100, 0); NMatrix m3 = NMatrix.Identity; m3.Rotate(NAngle.Degree2Rad * m_Angle3); m3.Translate(100, 0); NRegion clipRegion = NRegion.FromRectangle(m_ClipRect); pv.PushClip(clipRegion); pv.PushTransform(new NMatrix(m_PositionX, 0)); PaintVerticalBar(pv); pv.PushTransform(new NMatrix(0, m_PositionY)); PaintBase(pv); pv.PushTransform(m1); PaintLink(pv, 20); PaintJoint(pv, 20); pv.PushSnapToPixels(false); pv.PushTransform(m2); PaintLink(pv, 16); PaintJoint(pv, 16); pv.PushTransform(m3); PaintGripper(pv); PaintJoint(pv, 12); pv.PopTransform(); // m3 pv.PopTransform(); // m2 pv.PopTransform(); // m1 pv.PopTransform(); // mTY pv.PopTransform(); // mTX pv.PopSnapToPixels(); pv.PopClip(); // paint a border around the clip rectangle pv.ClearFill(); pv.SetStroke(NColor.Red, 1); pv.PaintRectangle(m_ClipRect); // paint a border around the canvas pv.SetStroke(NColor.Black, 1); pv.PaintRectangle(0, 0, canvas.Width, canvas.Height); }