internal MeasureStringCache.Entry CreateMeasureStringCacheEntryCore(string text, Font font, SizeF area, StringFormat format)
{
var c = new MeasureStringCache.Entry(text, font, area, format);
if (String.IsNullOrEmpty(text))
{
return(c);
}
var atts = buildAttributedString(text, font, format);
if ((format.FormatFlags & StringFormatFlags.DirectionVertical) == StringFormatFlags.DirectionVertical)
{
area = new SizeF(area.Height, area.Width);
}
float lineHeight = font.nativeFont.GetLineHeight();
var lines = CreateLines(font, atts, area, format, lineHeight);
foreach (var line in lines)
{
if (line != null)
{
var lineWidth = (StringFormatFlags.FitBlackBox & format.FormatFlags) != 0
? line.GetBounds(CTLineBoundsOptions.UseOpticalBounds).Width
: line.GetTypographicBounds(out _, out _, out _);
if ((format.FormatFlags & StringFormatFlags.MeasureTrailingSpaces) != 0)
{
lineWidth += line.TrailingWhitespaceWidth;
}
c.measure.Width = Math.Max(c.measure.Width, (float)NMath.Ceiling((float)lineWidth));
c.charactersFitted += (int)line.StringRange.Length;
line.Dispose();
}
c.measure.Height += lineHeight;
c.linesFilled++;
}
if ((format.FormatFlags & StringFormatFlags.DirectionVertical) == StringFormatFlags.DirectionVertical)
{
c.measure = new SizeF(c.measure.Height, c.measure.Width);
}
return(c);
}
internal MeasureStringCache.Entry CreateMeasureStringCacheEntry(string text, Font font, SizeF area, StringFormat format)
{
var c = new MeasureStringCache.Entry(text, font, area, format);
if (String.IsNullOrEmpty(text))
{
return(c);
}
var atts = buildAttributedString(text, font, format);
if ((format.FormatFlags & StringFormatFlags.DirectionVertical) == StringFormatFlags.DirectionVertical)
{
area = new SizeF(area.Height, area.Width);
}
float lineHeight = (float)NMath.Ceiling(font.nativeFont.AscentMetric + font.nativeFont.DescentMetric + font.nativeFont.LeadingMetric + 1);
var lines = CreateLines(font, atts, area, format, lineHeight);
foreach (var line in lines)
{
if (line != null)
{
nfloat ascent, descent, leading;
var lineWidth = line.GetTypographicBounds(out ascent, out descent, out leading);
if ((format.FormatFlags & StringFormatFlags.MeasureTrailingSpaces) != 0)
{
lineWidth += line.TrailingWhitespaceWidth;
}
c.measure.Width = Math.Max(c.measure.Width, (float)NMath.Ceiling((float)lineWidth));
c.charactersFitted += (int)line.StringRange.Length;
line.Dispose();
}
c.measure.Height += lineHeight;
c.linesFilled++;
}
if ((format.FormatFlags & StringFormatFlags.DirectionVertical) == StringFormatFlags.DirectionVertical)
{
c.measure = new SizeF(c.measure.Height, c.measure.Width);
}
return(c);
}