/// <summary>
/// Inits the font family names from DirectWrite
/// </summary>
private void InitTextFormatLayout()
{
FontFamilyName = "Gabriola";
FontSize = 72;
FontText = "Client Drawing Effect Example!";
// Initialize a TextFormat
CurrentTextFormat = new TextFormat(FactoryDWrite, FontFamilyName, FontSize)
{
TextAlignment = TextAlignment.Center, ParagraphAlignment = ParagraphAlignment.Center
};
CurrentTextLayout = new TextLayout(FactoryDWrite, FontText, CurrentTextFormat, ClientRectangle.Width, ClientRectangle.Height);
RedDrawingeffect = new ColorDrawingEffect(new Color4(1, 1, 0, 0));
BlueDrawingEffect = new ColorDrawingEffect(new Color4(1, 0, 0, 1));
GreenDrawingEffect = new ColorDrawingEffect(new Color4(1, 0, 1, 0));
CurrentTextLayout.SetDrawingEffect(RedDrawingeffect, new TextRange(0, 14));
CurrentTextLayout.SetDrawingEffect(BlueDrawingEffect, new TextRange(14, 7));
CurrentTextLayout.SetDrawingEffect(GreenDrawingEffect, new TextRange(21, 8));
// Set a stylistic typography
var typo = new Typography(FactoryDWrite);
typo.AddFontFeature(new FontFeature(FontFeatureTag.StylisticSet7, 1));
CurrentTextLayout.SetTypography(typo, CurrentTextRange);
typo.Release();
}
/// <summary>
/// Updates the TextFormat and TextLayout.
/// </summary>
private void UpdateTextFormatAndLayout()
{
try
{
if (CurrentTextFormat != null)
{
CurrentTextFormat.Release();
CurrentTextFormat = null;
}
if (CurrentTextLayout != null)
{
CurrentTextLayout.Release();
CurrentTextLayout = null;
}
// Initialize a TextFormat
CurrentTextFormat = new TextFormat(FactoryDWrite, FontFamilyName, FontSize)
{
TextAlignment = TextAlignment.Center, ParagraphAlignment = ParagraphAlignment.Center
};
CurrentTextLayout = new TextLayout(FactoryDWrite, FontText, CurrentTextFormat, renderControl.Width, renderControl.Height);
// Set a stylistic typography
var typo = new Typography(FactoryDWrite);
typo.AddFontFeature(new FontFeature(FontFeatureTag.StylisticSet7, 1));
CurrentTextLayout.SetTypography(typo, CurrentTextRange);
typo.Release();
UpdateBold();
UpdateItalic();
UpdateUnderline();
UpdateFontSize();
}
catch (Exception ex)
{
LogException(ex);
}
}