internal static TextLineRun CreateRunForText(StringRange stringRange, TextRun textRun, double widthLeft, bool emergencyWrap, bool breakOnTabs)
{
var run = new TextLineRun
{
StringRange = stringRange,
TextRun = textRun,
Length = textRun.Length
};
var tf = run.Typeface;
var formattedText = new FormattedText
{
Text = stringRange.ToString(),
Typeface = new Typeface(tf.FontFamily, run.FontSize, tf.Style, tf.Weight),
};
run._formattedText = formattedText;
var size = formattedText.Measure();
run._formattedTextSize = size;
run.Width = size.Width;
run.SetGlyphWidths();
return(run);
}
internal static TextLineRun CreateRunForText(StringRange stringRange, TextRun textRun, double widthLeft, bool emergencyWrap, bool breakOnTabs)
{
var tf = textRun.Properties.Typeface;
var formattedText = new FormattedText
{
Text = stringRange.ToString(),
Typeface = new Typeface(tf.FontFamily, tf.Style, tf.Weight),
FontSize = textRun.Properties.FontSize
};
double x = 0;
int offset = 0;
int lastWhitespaceIndex = -1;
//Measure the width of the text that would fit in the space left
while (x <= widthLeft && offset < textRun.Length)
{
x += formattedText.HitTestTextPosition(offset).Width;
if (x <= widthLeft)
{
if (char.IsWhiteSpace(stringRange[offset]))
{
lastWhitespaceIndex = offset;
}
offset++;
}
}
//Wrap at the last letter if there was no whitespace in the run
if (lastWhitespaceIndex == -1 && x > widthLeft)
{
lastWhitespaceIndex = offset;
}
var run = new TextLineRun
{
StringRange = stringRange,
TextRun = textRun,
Length = textRun.Length,
LastWhitespaceIndex = lastWhitespaceIndex
};
run._formattedText = formattedText;
var size = formattedText.Bounds.Size;
run._formattedTextSize = size;
run.Width = size.Width;
run.SetGlyphWidths();
return(run);
}
private static TextLineRun CreateRunForTab(TextRun textRun)
{
var spaceRun = new TextCharacters(" ", textRun.Properties);
var stringRange = spaceRun.StringRange;
var run = new TextLineRun(1, spaceRun)
{
IsTab = true,
StringRange = stringRange,
// TODO: get from para props
Width = 40
};
run.SetGlyphWidths();
return(run);
}
internal static TextLineRun CreateRunForText(StringRange stringRange, TextRun textRun, int widthLeft, bool emergencyWrap, bool breakOnTabs)
{
var run = new TextLineRun
{
StringRange = stringRange,
TextRun = textRun,
Length = textRun.Length
};
var formattedText = new FormattedText(stringRange.ToString(),
run.Typeface, run.FontSize);
run._formattedText = formattedText;
var size = formattedText.Measure();
run._formattedTextSize = size;
run.Width = (int)size.Width;
run.SetGlyphWidths();
return(run);
}