/// <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);
}
/// <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);
}
/// <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);
}
/// <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));
}