public override void OnRenderItem(ElementRenderEventArgs e) { if (Input != null) { e.Graphics.DrawString($"Value: {Value}", SystemFonts.DefaultFont, Brushes.White, Bounds.X + 10, Bounds.Y + 8); } else { e.Graphics.DrawString($"Value: {Value}", SystemFonts.DefaultFont, Brushes.White, (Bounds.X + Bounds.Width) - 65, Bounds.Y + 8); } }
public override void OnRenderItem(ElementRenderEventArgs e) { }
/// <summary> /// Handle paint /// </summary> protected override void OnPaint(PaintEventArgs e) { long d_renderStart = DateTime.UtcNow.Ticks; base.OnPaint(e); if (e.Graphics == null) { return; } e.Graphics.PageUnit = GraphicsUnit.Pixel; e.Graphics.CompositingQuality = CompositingQuality.GammaCorrected; e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit; e.Graphics.PixelOffsetMode = PixelOffsetMode.HighQuality; e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic; UpdateMatrices(); e.Graphics.Transform = Transformation; OnDrawBackground(e); e.Graphics.SmoothingMode = SmoothingMode.HighQuality; if (m_graphElements.Count > 0) { ElementRenderEventArgs renderEvent = new ElementRenderEventArgs(e.Graphics, GetTransformedLocation()); m_debugElementsRenderTime = DateTime.UtcNow.Ticks; foreach (IElement element in VisibleElements) { element.OnRender(renderEvent); } m_debugElementsRenderTime = (DateTime.UtcNow.Ticks - m_debugElementsRenderTime); } switch (EditMode) { case EGraphEditMode.SelectingBox: { Rectangle selectionRectangle = GetSelectionRectangle(); if (FillSelectionRectangle) { e.Graphics.FillRectangle(m_selectionColor.Brush, selectionRectangle); } e.Graphics.DrawRectangle(m_outlineSelectionColor.Pen, selectionRectangle); } break; case EGraphEditMode.Linking: { NodeConnector from = SelectedElement as NodeConnector; if (from != null) { e.Graphics.DrawLine(Pens.Yellow, from.Bounds.X, from.Bounds.Y, m_transformed_location.X, m_transformed_location.Y); } } break; } e.Graphics.SmoothingMode = SmoothingMode.None; if (ShowDebugInfos) { DebugCall(); //we should call the framerate at the end of a rendering method, but here we want to ignore the debug render time OnDrawDebug(e); } }
/// <summary> /// Render item /// </summary> public override void OnRenderItem(ElementRenderEventArgs e) { //e.Graphics.DrawRectangle(Pens.Red, Bounds); e.Graphics.DrawString("Node Item", SystemFonts.DefaultFont, Brushes.White, Location.X + 10, Location.Y + 8); }