/// <summary>
/// Adds one or more Character objects.
/// </summary>
public Character AddCharacter(SymbolName symbolType, int count)
{
Character character = new Character();
this.Add(character);
character.SymbolName = symbolType;
character.Count = count;
return character;
}
void RenderSpace(Character character)
{
this.currentXPosition += GetSpaceWidth(character);
}
void RenderSymbol(Character character)
{
string sym = GetSymbol(character);
string completeWord = sym;
for (int idx = 1; idx < character.Count; ++idx)
completeWord += sym;
RenderWord(completeWord);
}
/// <summary>
/// Processes (measures) a special character within text.
/// </summary>
/// <param name="character">The character to process.</param>
/// <returns>True if the character should start at a new line.</returns>
FormatResult FormatCharacter(Character character)
{
switch (character.SymbolName)
{
case SymbolName.Blank:
case SymbolName.Em:
case SymbolName.Em4:
case SymbolName.En:
return FormatSpace(character);
case SymbolName.LineBreak:
return FormatLineBreak();
case SymbolName.Tab:
return FormatTab();
default:
return FormatSymbol(character);
}
}
void RenderCharacter(Character character)
{
switch (character.SymbolName)
{
case SymbolName.Blank:
case SymbolName.Em:
case SymbolName.Em4:
case SymbolName.En:
RenderSpace(character);
break;
case SymbolName.LineBreak:
RenderLinebreak();
break;
case SymbolName.Tab:
RenderTab();
break;
default:
RenderSymbol(character);
break;
}
}
static string GetSymbol(Character character)
{
char ch;
switch (character.SymbolName)
{
case SymbolName.Euro:
ch = '€';
break;
case SymbolName.Copyright:
ch = '©';
break;
case SymbolName.Trademark:
ch = '™';
break;
case SymbolName.RegisteredTrademark:
ch = '®';
break;
case SymbolName.Bullet:
ch = '•';
break;
case SymbolName.Not:
ch = '¬';
break;
//REM: Non-breakable blanks are still ignored.
// case SymbolName.SymbolNonBreakableBlank:
// return "\xA0";
// break;
case SymbolName.EmDash:
ch = '—';
break;
case SymbolName.EnDash:
ch = '–';
break;
default:
char c = character.Char;
char[] chars = System.Text.Encoding.Default.GetChars(new byte[] { (byte)c });
ch = chars[0];
break;
}
string returnString = "";
returnString += ch;
int count = character.Count;
while (--count > 0)
returnString += ch;
return returnString;
}
FormatResult FormatSymbol(Character character)
{
return FormatWord(GetSymbol(character));
}
FormatResult FormatSpace(Character character)
{
XUnit width = GetSpaceWidth(character);
return FormatAsWord(width);
}
XUnit GetSpaceWidth(Character character)
{
XUnit width = 0;
switch (character.SymbolName)
{
case SymbolName.Blank:
width = MeasureString(" ");
break;
case SymbolName.Em:
width = MeasureString("m");
break;
case SymbolName.Em4:
width = 0.25 * MeasureString("m");
break;
case SymbolName.En:
width = MeasureString("n");
break;
}
return width * character.Count;
}
/// <summary>
/// Adds a new Character
/// </summary>
public void Add(Character character)
{
this.Elements.Add(character);
}
void RenderSpace(Character character)
{
XUnit width = GetSpaceWidth(character);
RenderUnderline(width, false);
RealizeHyperlink(width);
_currentXPosition += width;
}
/// <summary>
/// Creates a new instance of the CharacterRenderer class.
/// </summary>
internal CharacterRenderer(DocumentObject domObj, RtfDocumentRenderer docRenderer)
: base(domObj, docRenderer)
{
this.character = domObj as Character;
}
