private bool AppendToPage(TextTokenBlock block)
{
if (_page.FirstTokenID < 0)
_page.FirstTokenID = block.FirstTokenID;
double height = block.Height * AppSettings.Default.FontSettings.FontInterval;
if (_height + height <= _pageSize.Height)
{
_height += height;
_page.LastTokenID = block.LastTokenID;
_page.LastTextPart = block.GetLastPart();
if (_paragraph == null)
{
_paragraph = CreateParagraph(block);
_page.Paragraphs.Add(_paragraph);
}
AddInlineToParagraph(block);
return true;
}
return false;
}
private void AddInlineToParagraph(TextTokenBlock block)
{
_page.Lines.Add(block);
foreach (TextElementBase baseInlineItem in block.Inlines)
{
if (!(baseInlineItem is EOPElement))
{
_paragraph.Inlines.Add(baseInlineItem);
}
else
{
_paragraph = null;
break;
}
}
}
private void CreateEmptyLine(TokenBase token)
{
if (_block != null)
{
_block.EndLine();
_block.LastTokenID = token.ID - 1;
_output.Enqueue(_block);
}
_block = new TextTokenBlock
{
TextAlign = _lastOpenTag.TextProperties.TextAlign,
MarginLeft = _marginLeft,
MarginRight = _marginRight,
FirstTokenID = token.ID,
LastTokenID = token.ID,
TextIndent = 0.0
};
_firstTokenID = token.ID;
_textWidth = 0.0;
_separator = false;
}
private ParagraphInfo CreateParagraph(TextTokenBlock block)
{
return new ParagraphInfo
{
TextAlign = block.TextAlign,
MarginLeft = block.MarginLeft,
MarginRight = block.MarginRight,
TextIndent = block.TextIndent
};
}
private void AppendToLine(TextToken token, double textWidth)
{
string text = token.Text;
if (string.IsNullOrEmpty(text))
return;
_block = _block ?? new TextTokenBlock
{
TextAlign = _lastOpenTag.TextProperties.TextAlign,
MarginLeft = _marginLeft,
MarginRight = _marginRight,
FirstTokenID = _firstTokenID,
TextIndent = _textIndent
};
_block.LastTokenID = token.ID;
_block.UpdateHeight(GetTextHeight(text));
if (_separator)
{
TextVisualProperties properties = _lastOpenTag.TextProperties.Clone();
var inlineItem = _block.Inlines.OfType<TextElement>().LastOrDefault();
if (inlineItem != null && string.IsNullOrEmpty(inlineItem.LinkID))
properties.LinkID = string.Empty;
_block.AddText(" ", properties, _fontSize, GetTextSize("_", properties));
}
_block.AddText(text, _lastOpenTag.TextProperties, _fontSize, GetTextSize(text, _lastOpenTag.TextProperties), token.Part, token.ID);
_textWidth += textWidth;
}
private void AppendToLine(TagCloseToken token)
{
if (!_lastOpenTag.TextProperties.Inline)
{
if (_block != null)
{
_block.EndParagraph();
_block.LastTokenID = token.ID;
_firstTokenID = token.ID + 1;
_output.Enqueue(_block);
}
if (_lastOpenTag.TextProperties.MarginBottom > 0.0)
_output.Enqueue(new SeparatorTokenBlock(_lastOpenTag.TextProperties.MarginBottom)
{
FirstTokenID = token.ID,
LastTokenID = token.ID
});
LeaveMargin(_lastOpenTag.TextProperties);
_block = null;
_textWidth = 0.0;
_textIndent = 0.0;
_separator = false;
}
PopTag();
}
private void AppendToLine(TagOpenToken token)
{
if (!token.TextProperties.Inline)
{
if (_block != null)
{
_block.EndParagraph();
_firstTokenID = token.ID;
_output.Enqueue(_block);
}
EnterMargin(token.TextProperties);
_block = null;
_textWidth = _textIndent = token.TextProperties.TextIndent;
_separator = false;
}
PushTag(token);
}
private void AppendToLine(NewPageToken token)
{
if (_block != null)
{
_block.EndLine();
_block.LastTokenID = token.ID - 1;
_output.Enqueue(_block);
}
var pageBreakLine = new PageBreakBlock();
pageBreakLine.FirstTokenID = pageBreakLine.LastTokenID = token.ID;
_output.Enqueue(pageBreakLine);
_block = null;
}
private IEnumerable<TokenBlockBase> OutputLines(bool outputCurrentLine)
{
while (_output.Count > 0)
yield return _output.Dequeue();
if (outputCurrentLine && _block != null)
{
yield return _block;
_block = null;
}
}
