static void ApplyText(XmlReader re, ITextable t)
{
re.MoveToContent();
for (int i = 0; i < re.AttributeCount; i++)
{
re.MoveToAttribute(i);
if (re.LocalName == FONTNAME_ATTR)
t.FontName = re.Value;
else if (re.LocalName == FONTSIZE_ATTR)
{
double sz = 1;
double.TryParse(re.Value, out sz);
t.FontSize = sz;
}
else if (re.LocalName == BOLD_ATTR)
{
bool b = false;
bool.TryParse(re.Value, out b);
t.Bold = b;
}
else if (re.LocalName == ITALICS_ATTR)
{
bool b = false;
bool.TryParse(re.Value, out b);
t.Italics = b;
}
else if (re.LocalName == UNDERLINE_ATTR)
{
bool b = false;
bool.TryParse(re.Value, out b);
t.Underline = b;
}
else if (re.LocalName == STRIKETHROUGH_ATTR)
{
bool b = false;
bool.TryParse(re.Value, out b);
t.Strikethrough = b;
}
else if (re.LocalName == WRAPTEXT_ATTR)
{
bool b = t.WrapText;
bool.TryParse(re.Value, out b);
t.WrapText = b;
}
else if (re.LocalName == WRAPTHRESHOLD_ATTR)
{
double wt = t.WrapThreshold;
double.TryParse(re.Value, out wt);
t.WrapThreshold = wt;
}
else if (re.LocalName == WRAPFONTSIZE_ATTR)
{
double wfs = t.WrapFontSize;
double.TryParse(re.Value, out wfs);
t.WrapFontSize = wfs;
}
}
t.Text = re.ReadString();
}
public static DPoint MeasureText(string text, ITextable itext)
{
return GraphicsHelper.MeasureText(text, itext.FontName, itext.FontSize, itext.Bold, itext.Italics, itext.Underline, itext.Strikethrough);
}
public static string MakeWrappedText(string text, ITextable itext)
{
DBitmap bmp = GraphicsHelper.MakeBitmap(10, 10);
DGraphics dg = GraphicsHelper.MakeGraphics(bmp);
string result = "";
string[] lines = text.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i];
// wrap line
string remainder = line;
string wrappedLine;
string wrappedText = null;
do
{
wrappedLine = WrapLine(dg, remainder, itext, out remainder);
if (wrappedText == null)
wrappedText = wrappedLine;
else
wrappedText = string.Concat(wrappedText, '\n', wrappedLine);
}
while (remainder != null);
// join lines
if (i < lines.Length - 1)
result = string.Concat(result, wrappedText, '\n');
else
result = string.Concat(result, wrappedText);
}
dg.Dispose();
bmp.Dispose();
return result;
}
static string WrapLine(DGraphics dg, string s, ITextable itext, out string remainder)
{
string result;
remainder = null;
if (itext.WrapLength > 0)
{
result = s;
int n = s.Length - 1;
DPoint sz = MeasureText(dg, s, itext);
while (sz.X > itext.WrapLength)
{
if (char.IsWhiteSpace(s[n]))
{
result = s.Substring(0, n);
remainder = s.Substring(n);
}
else
{
bool foundWord = false;
for (int j = n - 1; j >= 0; j--)
if (char.IsWhiteSpace(s[j]))
{
result = s.Substring(0, j + 1);
remainder = s.Substring(j + 1);
n = j + 1;
foundWord = true;
break;
}
if (!foundWord)
{
result = s.Substring(0, n);
remainder = s.Substring(n);
}
}
sz = MeasureText(dg, result, itext);
n--;
}
}
else
result = "";
if (result.Length == 0)
{
if (s.Length > 0)
result = s.Substring(0, 1);
if (s.Length > 1)
remainder = s.Substring(1);
else
remainder = null;
}
return result;
}
public TextEditFigure(DPoint pt, Figure f, ITextable itext) : this(f, itext)
{
TopLeft = pt;
}
public TextEditFigure(Figure f, ITextable itext)
{
this.f = f;
this.itext = itext;
SetCursorPos(Text.Length, false);
}