public void ArrangeLines(bool textWrap, SizeF proposedSize)
{
if (!textWrap || (double)proposedSize.Width <= 0.0 && (double)proposedSize.Height <= 0.0)
{
return;
}
for (int index1 = 0; index1 < this.lines.Count; ++index1)
{
while ((double)FormattedTextBlock.GetTextLineSize(this.lines[index1]).Width > (double)proposedSize.Width && this.lines[index1].List.Count > 1)
{
int index2 = this.lines[index1].List.Count - 1;
FormattedText formattedText = this.lines[index1].List[index2];
this.lines[index1].List.RemoveAt(index2);
if (index1 == this.lines.Count - 1)
{
this.lines.Add(new TextLine());
}
TextLine line = this.lines[index1 + 1];
if (line.List.Count > 0 && !line.List[0].StartNewLine)
{
line.List.Insert(0, formattedText);
}
else
{
this.lines.Insert(index1 + 1, new TextLine()
{
List =
{
formattedText
}
});
}
}
}
}
public SizeF GetTextSize(
SizeF proposedSize,
bool useCompatibleTextRendering,
StringFormat sf,
TextFormatFlags textFormatFlags,
bool textWrap)
{
if (textWrap)
{
this.RecalculateBlockLines(textWrap);
this.ArrangeLines(textWrap, proposedSize);
}
SizeF empty1 = (SizeF)Size.Empty;
SizeF empty2 = (SizeF)Size.Empty;
foreach (TextLine line in this.lines)
{
SizeF textLineSize = FormattedTextBlock.GetTextLineSize(line);
float height = (double)textLineSize.Height <= 2.0 ? 0.0f : textLineSize.Height;
line.LineSize = new SizeF(textLineSize.Width, height);
empty1.Height += height;
empty1.Width = Math.Max(textLineSize.Width, empty1.Width);
}
return(empty1);
}
/// <summary>
/// Main function for parsing process
/// </summary>
/// <param name="text">text to parse</param>
/// <param name="baseForeColor">base Font color</param>
/// <param name="baseFont">base font</param>
/// <param name="fontSize">base font size</param>
/// <param name="aligment">base textaligment</param>
/// <param name="fontStyle"> base font style etc. Regular, Bold</param>
/// <returns>Formatted text block that contains the whole structure</returns>
public static FormattedTextBlock Parse(string text, Color baseForeColor, string baseFont, float fontSize, FontStyle fontStyle, ContentAlignment aligment)
{
if (string.IsNullOrEmpty(text))
{
return(new FormattedTextBlock());
}
Stack <FormattedText.HTMLLikeListType> lastListType = new Stack <FormattedText.HTMLLikeListType>();
lastListType.Push(FormattedText.HTMLLikeListType.None);
text = text.Replace("\\<", "<").Replace("\\>", ">").Replace("\r\n", "<br>").Replace("\n", "<br>");
//prepare initially block
FormattedTextBlock textBlock = new FormattedTextBlock();
FormattedText previousFormattedText = new FormattedText();//this is a base item for creating HTML
previousFormattedText.FontColor = baseForeColor;
previousFormattedText.FontName = baseFont;
previousFormattedText.FontSize = fontSize;
previousFormattedText.ContentAlignment = aligment;
previousFormattedText.FontStyle = fontStyle;
//create tokens
StringTokenizer tokenizer = new StringTokenizer(text, "<");
int count = tokenizer.Count();
bool hasOpenTag = text.IndexOf("<") > -1;
TextLine currentLine = new TextLine();
textBlock.Lines.Add(currentLine);
bool shouldProduceNewLine = false;
TinyHTMLParsersData parsersData = new TinyHTMLParsersData();
//enumerate tokens
for (int i = 0; i < count; ++i)
{
FormattedText currentItem = ProcessToken(ref previousFormattedText, tokenizer, hasOpenTag, parsersData, ref shouldProduceNewLine);
if (!string.IsNullOrEmpty(currentItem.HtmlTag) &&
currentItem.HtmlTag.Length >= 1 && shouldProduceNewLine)
{
currentLine = new TextLine();
textBlock.Lines.Add(currentLine);
if (currentItem.HtmlTag.Length >= 2)
{
currentItem.HtmlTag = currentItem.HtmlTag.TrimEnd(' ').Trim('/');
}
shouldProduceNewLine = (!string.IsNullOrEmpty(currentItem.text) && currentItem.text.Trim().Length == 0);
}
currentLine.List.Add(currentItem);
previousFormattedText = new FormattedText(currentItem);
}
return(textBlock);
}
public void MouseUp(object sender, MouseEventArgs e)
{
FormattedText formattedText = this.IsMouseOverBlock(sender, e);
if (formattedText == null)
{
return;
}
formattedText.FontColor = TinyHTMLParsers.LinkClickedColor;
FormattedTextBlock.RunLink(formattedText.Link);
}
public static FormattedTextBlock Parse(
string text,
Color baseForeColor,
string baseFont,
float fontSize,
FontStyle fontStyle,
ContentAlignment aligment)
{
if (string.IsNullOrEmpty(text))
{
return(new FormattedTextBlock());
}
new Stack <FormattedText.HTMLLikeListType>().Push(FormattedText.HTMLLikeListType.None);
text = text.Replace("\\", "[CDATA[\\]]");
text = text.Replace("\\<", "<");
text = text.Replace("\\>", ">");
text = text.Replace("\r\n", "<br>");
text = text.Replace("\n", "<br>");
FormattedTextBlock formattedTextBlock = new FormattedTextBlock();
FormattedText prevItem = new FormattedText();
prevItem.FontColor = baseForeColor;
prevItem.FontName = baseFont;
prevItem.FontSize = fontSize;
prevItem.ContentAlignment = aligment;
prevItem.FontStyle = fontStyle;
StringTokenizer tokenizer = new StringTokenizer(text, "<");
int num = tokenizer.Count();
bool hasOpenTag = text.IndexOf("<") > -1;
TextLine textLine = new TextLine();
formattedTextBlock.Lines.Add(textLine);
bool shouldProduceNewLine = false;
TinyHTMLParsers.TinyHTMLParsersData parserData = new TinyHTMLParsers.TinyHTMLParsersData();
for (int index = 0; index < num; ++index)
{
FormattedText prototypeFormattedText = TinyHTMLParsers.ProcessToken(ref prevItem, tokenizer, hasOpenTag, parserData, ref shouldProduceNewLine);
if (!string.IsNullOrEmpty(prototypeFormattedText.HtmlTag) && prototypeFormattedText.HtmlTag.Length >= 1 && shouldProduceNewLine)
{
textLine = new TextLine();
formattedTextBlock.Lines.Add(textLine);
if (prototypeFormattedText.HtmlTag.Length >= 2)
{
prototypeFormattedText.HtmlTag = prototypeFormattedText.HtmlTag.TrimEnd(' ').Trim('/');
}
shouldProduceNewLine = !string.IsNullOrEmpty(prototypeFormattedText.text) && prototypeFormattedText.text.Trim().Length == 0;
}
textLine.List.Add(prototypeFormattedText);
prevItem = new FormattedText(prototypeFormattedText);
}
return(formattedTextBlock);
}
