private void ChangeElementFontSize(TextElement run, bool bAdd)
{
object rValue = run.GetValue(TextElement.FontSizeProperty);
if (rValue != null && rValue != DependencyProperty.UnsetValue)
{
double oldValue = Convert.ToDouble(run.GetValue(TextElement.FontSizeProperty));
run.SetValue(TextElement.FontSizeProperty, FontSizeEnumerator.GetValue(oldValue, bAdd));
}
}
private void OnTextOptionCommand(object sender, ExecutedRoutedEventArgs e)
{
try
{
if (DisplayFontsize < 0)
{
foreach (UIElement Elem in vPanel.Children)
{
TextBlock block;
if (Elem is BulletDecorator)
{
block = ((BulletDecorator)Elem).Child as TextBlock;
}
else
{
block = Elem as TextBlock;
}
foreach (Run run in block.Inlines)
{
run.FontSize = FontSizeEnumerator.GetValue(run.FontSize, (bool)e.Parameter);
}
}
}
else
{
DisplayFontsize = FontSizeEnumerator.GetValue(DisplayFontsize, (bool)e.Parameter);
OndisplayFontSizeChange(DisplayFontsize);
}
ResetLineHeight();
TranslateControlToText();
}
catch (System.Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
void ProcessFontSizeIncrement(bool bAdd, bool bSection = true)
{
try
{
if (bSection && Selection != null && Selection.Text.Length > 0)
{
TextRange rang = new TextRange(Selection.Start, Selection.End);
using (MemoryStream ms = new MemoryStream())
{
if (rang.CanSave(DataFormats.Xaml))
{
rang.Save(ms, DataFormats.Xaml, true);
//string teststring = ASCIIEncoding.Default.GetString(ms.ToArray());
ms.Seek(0, SeekOrigin.Begin);
object obj = XamlReader.Load(ms);
if (obj is Span)
{
Span span = obj as Span;
foreach (Run run in span.Inlines)
{
run.FontSize = FontSizeEnumerator.GetValue(run.FontSize, bAdd);
}
using (MemoryStream mso = new MemoryStream())
{
XamlWriter.Save(span, mso);
mso.Seek(0, SeekOrigin.Begin);
rang.Load(mso, DataFormats.Xaml);
}
}
else if (obj is Section)
{
Section section = obj as Section;
foreach (Block block in section.Blocks)//vivid
{
if (block is Paragraph)
{
Paragraph para = block as Paragraph;
foreach (Run run in para.Inlines)
{
run.FontSize = FontSizeEnumerator.GetValue(run.FontSize, bAdd);
}
}
else
{
NLogger.Error("ProcessFontSizeIncrement->Invalid Block in section.Blocks!");
}
}
using (MemoryStream mso = new MemoryStream())
{
XamlWriter.Save(section, mso);
mso.Seek(0, SeekOrigin.Begin);
rang.Load(mso, DataFormats.Xaml);
}
}
else
{
NLogger.Error("Increment select span or section is null\n" + Selection.Text.ToString());
}
Selection.Select(rang.Start, rang.End);
}
else
{
NLogger.Error("Increment selection can not save\n" + Selection.Text.ToString());
}
}
}
else
{
if (Document != null)
{
foreach (Block block in Document.Blocks)
{
if (block is Paragraph)
{
Paragraph para = block as Paragraph;
foreach (TextElement control in para.Inlines)
{
control.FontSize = FontSizeEnumerator.GetValue(control.FontSize, bAdd);
}
}
}
}
}
FlashPropertyBySection(Selection);
}
catch (System.Exception ex)
{
NLogger.Error("Exception in ProcessFontSizeIncrement\n" + ex.Message);
}
}
