public virtual void ParseText(TextRenderInfo textRenderInfo)
{
var text = textRenderInfo.GetText();
LineSegment baseline = textRenderInfo.GetBaseline();
if (textRenderInfo.GetRise() != 0)
{
Matrix m = new Matrix(0.0f, -textRenderInfo.GetRise());
baseline = baseline.TransformBy(m);
}
var start = baseline.GetStartPoint();
LineSegment ascentLine = textRenderInfo.GetAscentLine();
PdfTextBlock item = new PdfTextBlock
{
Value = text,
Bottom = pageContext.PageHeight - start.Get(Vector.I2),
Top = pageContext.PageHeight - ascentLine.GetStartPoint().Get(Vector.I2),
Left = start.Get(Vector.I1),
Width = baseline.GetEndPoint().Get(Vector.I1) - start.Get(Vector.I1),
FontSize = FontManager.Instance.GetFontSize(textRenderInfo, baseline, ascentLine),
StrokeColore = ColorManager.Instance.GetColor(textRenderInfo),
CharSpacing = textRenderInfo.GetSingleSpaceWidth(),
Font = GetFont(textRenderInfo),
};
RightToLeftManager.Instance.AssignRtl(item, textRenderInfo.GetUnscaledWidth() < 0);
pageContext.LinkManager.AssignLink(item);
texts.Add(item);
}
public virtual void TextExtractGlyphAverageWidth()
{
String text = "i";
PdfDictionary fontDict = InitFontDictWithNotSpecifiedWidthOfSpaceChar();
CanvasGraphicsState gs = new CanvasGraphicsState();
gs.SetFont(PdfFontFactory.CreateFont(fontDict));
gs.SetFontSize(12);
TextRenderInfo testTRI = new TextRenderInfo(new PdfString(text), gs, new Matrix(), new Stack <CanvasTag>());
float singleSpaceWidth = testTRI.GetSingleSpaceWidth();
float iWidth = testTRI.GetUnscaledWidth();
NUnit.Framework.Assert.IsTrue(iWidth < singleSpaceWidth);
NUnit.Framework.Assert.AreEqual(6.671999931335449, singleSpaceWidth, 0);
}
string RecalculateSpaces(TextRenderInfo textInfo)
{
var chars = textInfo.GetCharacterRenderInfos();
float charSize = (textInfo.GetUnscaledWidth() / chars.Count) / 2.0f;
StringBuilder sb = new StringBuilder();
foreach (var ch in chars)
{
string chText = ch.GetText();
if (chText != " " || (ch.GetUnscaledWidth() > charSize))
{
sb.Append(chText);
}
}
return(sb.ToString());
}
/**
* Displays text.
* @param string the text to display
*/
private void DisplayPdfString(PdfString str){
String unicode = Decode(str);
//if (w.log) w._tr.WriteLine("RenderText : \"{0}\"", unicode);
TextRenderInfo renderInfo = new TextRenderInfo(unicode, Gs(), textMatrix, markedContentStack);
renderListener.RenderText(renderInfo);
textMatrix = new Matrix(renderInfo.GetUnscaledWidth(), 0).Multiply(textMatrix);
}