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);
}
private TextChunkInfo(Vector startLocation, Vector endLocation, TextRenderInfo info)
: base(info.GetText(), startLocation, endLocation, info.GetSingleSpaceWidth())
{
RenderInfo = info;
StartLocation = startLocation;
EndLocation = endLocation;
}
public virtual void RenderText(TextRenderInfo renderInfo)
{
bool firstRender = results.Count == 0;
LineSegment segment = renderInfo.GetBaseline();
Vector start = segment.GetStartPoint();
Vector end = segment.GetEndPoint();
//Use the Y value of the bottom left corner of the text for the key
int currentLineKey = (int)start[1];
if (!firstRender)
{
Vector x0 = start;
Vector x1 = lastStart;
Vector x2 = lastEnd;
float dist = (x2.Subtract(x1)).Cross((x1.Subtract(x0))).LengthSquared / x2.Subtract(x1).LengthSquared;
float sameLineThreshold = 1f;
//If we've detected that we're still on the same
if (dist <= sameLineThreshold)
{
//Use the previous Y coordinate
currentLineKey = (int)lastStart[1];
}
}
//Hack: PDFs start with zero at the bottom so our keys will be upside down. Using negative keys cheats this.
currentLineKey = currentLineKey * -1;
//If this line hasn't been used before add a new line to our collection
if (!results.ContainsKey(currentLineKey))
{
results.Add(currentLineKey, new StringBuilder());
}
//Insert a space between blocks of text if it appears there should be
if (!firstRender && //First pass never needs a leading space
results[currentLineKey].Length != 0 && //Don't append a space to the begining of a line
!results[currentLineKey].ToString().EndsWith(" ") && //Don't append if the current buffer ends in a space already
renderInfo.GetText().Length > 0 && //Don't append if the new next is empty
!renderInfo.GetText().StartsWith(" "))
{ //Don't append if the new text starts with a space
//Calculate the distance between the two blocks
float spacing = lastEnd.Subtract(start).Length;
//If it "looks" like it should be a space
if (spacing > renderInfo.GetSingleSpaceWidth() / 2f)
{
//Add a space
results[currentLineKey].Append(" ");
}
}
//Add the text to the line in our collection
results[currentLineKey].Append(renderInfo.GetText());
lastStart = start;
lastEnd = end;
}
public virtual void EventOccurred(IEventData data, EventType type)
{
if (type.Equals(EventType.RENDER_TEXT))
{
TextRenderInfo renderInfo = (TextRenderInfo)data;
bool firstRender = result.Length == 0;
bool hardReturn = false;
LineSegment segment = renderInfo.GetBaseline();
Vector start = segment.GetStartPoint();
Vector end = segment.GetEndPoint();
if (!firstRender)
{
Vector x1 = lastStart;
Vector x2 = lastEnd;
// see http://mathworld.wolfram.com/Point-LineDistance2-Dimensional.html
float dist = (x2.Subtract(x1)).Cross((x1.Subtract(start))).LengthSquared() / x2.Subtract(x1).LengthSquared
();
float sameLineThreshold = 1f;
// we should probably base this on the current font metrics, but 1 pt seems to be sufficient for the time being
if (dist > sameLineThreshold)
{
hardReturn = true;
}
}
// Note: Technically, we should check both the start and end positions, in case the angle of the text changed without any displacement
// but this sort of thing probably doesn't happen much in reality, so we'll leave it alone for now
if (hardReturn)
{
//System.out.println("<< Hard Return >>");
AppendTextChunk("\n");
}
else
{
if (!firstRender)
{
if (result[result.Length - 1] != ' ' && renderInfo.GetText().Length > 0 && renderInfo.GetText()[0] != ' ')
{
// we only insert a blank space if the trailing character of the previous string wasn't a space, and the leading character of the current string isn't a space
float spacing = lastEnd.Subtract(start).Length();
if (spacing > renderInfo.GetSingleSpaceWidth() / 2f)
{
AppendTextChunk(" ");
}
}
}
}
//System.out.println("Inserting implied space before '" + renderInfo.getText() + "'");
//System.out.println("Displaying first string of content '" + text + "' :: x1 = " + x1);
//System.out.println("[" + renderInfo.getStartPoint() + "]->[" + renderInfo.getEndPoint() + "] " + renderInfo.getText());
AppendTextChunk(renderInfo.GetText());
lastStart = start;
lastEnd = end;
}
}
public virtual void RenderText(TextRenderInfo renderInfo)
{
bool firstRender = results.Count == 0;
LineSegment segment = renderInfo.GetBaseline();
Vector start = segment.GetStartPoint();
Vector end = segment.GetEndPoint();
int currentLineKey = (int)start[1];
if (!firstRender)
{
Vector x0 = start;
Vector x1 = lastStart;
Vector x2 = lastEnd;
float distance = (x2.Subtract(x1)).Cross((x1.Subtract(x0))).LengthSquared / x2.Subtract(x1).LengthSquared;
float sameLineThreshold = 1f;
if (distance <= sameLineThreshold)
{
currentLineKey = (int)lastStart[1];
}
}
currentLineKey = currentLineKey * -1;
if (!results.ContainsKey(currentLineKey))
{
results.Add(currentLineKey, new StringBuilder());
}
if (!firstRender &&
results[currentLineKey].Length != 0 &&
!results[currentLineKey].ToString().EndsWith(" ") &&
renderInfo.GetText().Length > 0 &&
!renderInfo.GetText().StartsWith(" "))
{
float spacing = lastEnd.Subtract(start).Length;
if (spacing > renderInfo.GetSingleSpaceWidth() / 2f)
{
results[currentLineKey].Append(" ");
}
}
results[currentLineKey].Append(renderInfo.GetText());
lastStart = start;
lastEnd = end;
}
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);
}
public void RenderText(TextRenderInfo renderInfo)
{
float rise = renderInfo.GetRise();
if (rise != 0)
{
throw new NotImplementedException();
}
if (!m_textRenderInfoSimple.TrySet(renderInfo))
{
throw new NotImplementedException();
}
var text = renderInfo.GetText();
float descentY = m_textRenderInfoSimple.OriginY - m_textRenderInfoSimple.Descent;
float ascentY = m_textRenderInfoSimple.OriginY + m_textRenderInfoSimple.Ascent;
int lineBuilderIndex = GetLineBuilderIndex(descentY, ascentY);
LineBuilder lineBuilder;
if (lineBuilderIndex < 0)
{
lineBuilderIndex = ~lineBuilderIndex;
if (0 < lineBuilderIndex && descentY <= m_lineBuilders[lineBuilderIndex - 1].MaxY)
{
throw new NotImplementedException();
}
if (lineBuilderIndex < m_lineBuilders.Count && m_lineBuilders[lineBuilderIndex].MinY <= ascentY)
{
throw new NotImplementedException();
}
lineBuilder = new LineBuilder();
lineBuilder.MinY = descentY;
lineBuilder.MaxY = ascentY;
m_lineBuilders.Insert(lineBuilderIndex, lineBuilder);
}
lineBuilder = m_lineBuilders[lineBuilderIndex];
var charGroup = lineBuilder.AddCharGroup(m_textRenderInfoSimple.OriginX);
charGroup.OriginXPlusAdvancement = m_textRenderInfoSimple.OriginX + m_textRenderInfoSimple.Advancement;
charGroup.Value = text;
charGroup.SingleSpaceWidth = renderInfo.GetSingleSpaceWidth();
charGroup.CanBeSuperscript = lineBuilder.MinY < descentY && !IsCloseTo(lineBuilder.MinY, descentY) && IsCloseTo(lineBuilder.MaxY, ascentY);
}
public void RenderText(TextRenderInfo renderInfo)
{
var a = renderInfo.GetBaseline();
var ascentLine = renderInfo.GetAscentLine();
var a2 = renderInfo.GetSingleSpaceWidth();
var descentLine = renderInfo.GetDescentLine();
var a4 = renderInfo.GetUnscaledBaseline();
var a5 = renderInfo.GetFont();
var a6 = renderInfo.GetRise();
var a7 = renderInfo.GetText();
bool flag1 = this.result.Length == 0;
bool flag2 = false;
LineSegment baseline = renderInfo.GetBaseline();
Vector startPoint = baseline.GetStartPoint();
Vector endPoint = baseline.GetEndPoint();
if (!flag1)
{
Vector v = startPoint;
Vector lastStart = this.lastStart;
Vector lastEnd = this.lastEnd;
if ((double)(lastEnd.Subtract(lastStart).Cross(lastStart.Subtract(v)).LengthSquared / lastEnd.Subtract(lastStart).LengthSquared) > 1.0)
{
flag2 = true;
}
}
RectangleF rectCurrent = getRenderRectangleF(renderInfo);
if (flag2)
{
this.AppendTextChunk('\n');
}
//else if (!flag1 && this.result[this.result.Length - 1] != ' ' && (renderInfo.GetText().Length > 0 && renderInfo.GetText()[0] != ' ') && (double)this.lastEnd.Subtract(startPoint).Length > (double)renderInfo.GetSingleSpaceWidth() / 2.0)
// this.AppendTextChunk(' ');
this.AppendTextChunk(renderInfo.GetText());
this.lastStart = startPoint;
this.lastEnd = endPoint;
}
private static ITextChunkLocation GetLocation(TextRenderInfo tri)
{
LineSegment baseline = tri.GetBaseline();
return(new TextChunkLocationDefaultImp(baseline.GetStartPoint(), baseline.GetEndPoint(), tri.GetSingleSpaceWidth
()));
}
public override void RenderText(TextRenderInfo renderInfo)
{
base.RenderText(renderInfo);
//Vector bottomLeft = renderInfo.GetDescentLine().GetStartPoint();
Vector bottomLeft = renderInfo.GetBaseline().GetStartPoint();
Vector topRight = renderInfo.GetAscentLine().GetEndPoint();
TextChunk tc = new TextChunk(renderInfo.GetText(), bottomLeft, topRight, renderInfo.GetSingleSpaceWidth());
TextChunks.Add(tc);
}
public virtual void RenderText(TextRenderInfo renderInfo)
{
LineSegment segment = renderInfo.GetBaseline();
TextChunk location = new TextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth());
var _with1 = location;
//Chunk Location:
// Debug.Print(renderInfo.GetText);
_with1.PosLeft = renderInfo.GetDescentLine().GetStartPoint()[Vector.I1];
_with1.PosRight = renderInfo.GetAscentLine().GetEndPoint()[Vector.I1];
_with1.PosBottom = renderInfo.GetDescentLine().GetStartPoint()[Vector.I2];
_with1.PosTop = renderInfo.GetAscentLine().GetEndPoint()[Vector.I2];
//Chunk Font Size: (Height)
_with1.curFontSize = _with1.PosTop - segment.GetStartPoint()[Vector.I2];
//Use Font name and Size as Key in the SortedList
string StrKey = renderInfo.GetFont().PostscriptFontName + _with1.curFontSize.ToString();
//Add this font to ThisPdfDocFonts SortedList if it's not already present
if (!ThisPdfDocFonts.ContainsKey(StrKey))
{
ThisPdfDocFonts.Add(StrKey, renderInfo.GetFont());
}
//Store the SortedList index in this Chunk, so we can get it later
_with1.FontIndex = ThisPdfDocFonts.IndexOfKey(StrKey);
locationalResult.Add(location);
}
/**
*
* @see com.itextpdf.text.pdf.parser.RenderListener#renderText(com.itextpdf.text.pdf.parser.TextRenderInfo)
*/
public virtual void RenderText(TextRenderInfo renderInfo)
{
LineSegment segment = renderInfo.GetBaseline();
if (renderInfo.GetRise() != 0)
{ // remove the rise from the baseline - we do this because the text from a super/subscript render operations should probably be considered as part of the baseline of the text the super/sub is relative to
Matrix riseOffsetTransform = new Matrix(0, -renderInfo.GetRise());
segment = segment.TransformBy(riseOffsetTransform);
}
//TextChunk location = new TextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth());
//locationalResult.Add(location);
//base.RenderText(renderInfo);
//Get the bounding box for the chunk of text
var bottomLeft = renderInfo.GetDescentLine().GetStartPoint();
var topRight = renderInfo.GetAscentLine().GetEndPoint();
//Create a rectangle from it
var rect = new iTextSharp.text.Rectangle(
bottomLeft[Vector.I1],
bottomLeft[Vector.I2],
topRight[Vector.I1],
topRight[Vector.I2]
);
TextChunk location = new TextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth(), rect);
locationalResult.Add(location);
}
public ITextChunkLocation CreateLocation(TextRenderInfo renderInfo, LineSegment baseline)
{
return(new TextChunkLocationDefaultImp(baseline.GetStartPoint(), baseline.GetEndPoint(), renderInfo.GetSingleSpaceWidth
()));
}
public void RenderText(TextRenderInfo renderInfo)
{
LineSegment baseline = renderInfo.GetBaseline();
this.locationalResult.Add(new MyLocationTextExtractionStrategy.TextChunk(renderInfo.GetText(), baseline.GetStartPoint(), baseline.GetEndPoint(), renderInfo.GetSingleSpaceWidth()));
}
/// <summary>
/// places text in text rectangles as pdf might render each character separetly
/// </summary>
/// <param name="renderInfo"></param>
public override void RenderText(TextRenderInfo renderInfo)
{
var segment = renderInfo.GetBaseline();
_charWidth = renderInfo.GetSingleSpaceWidth() / 2f;
var text = renderInfo.GetText();
_log.Debug("RenderText " + text);
var bottomLeftCoordinate = renderInfo.GetDescentLine().GetStartPoint();
var topRightCoordinate = renderInfo.GetAscentLine().GetEndPoint();
var textRectangle = new TextRectangle
{
Text = text,
X = bottomLeftCoordinate[0],
Y = bottomLeftCoordinate[1],
Width = topRightCoordinate[0] - bottomLeftCoordinate[0],
Height = Math.Abs(bottomLeftCoordinate[1] - topRightCoordinate[1])
};
if (_pageRotation == 0)
{
textRectangle.Y = _pageHeight - textRectangle.Y;
}
if (_pageRotation == 90)
{
textRectangle.X = bottomLeftCoordinate[1];
textRectangle.Y = bottomLeftCoordinate[0];
textRectangle.Width = Math.Abs(topRightCoordinate[1] - bottomLeftCoordinate[1]);
textRectangle.Height = Math.Abs(bottomLeftCoordinate[0] - topRightCoordinate[0]);
}
var startLocation = segment.GetStartPoint();
var endLocation = segment.GetEndPoint();
var oVector = endLocation.Subtract(startLocation);
if (oVector.Length == 0)
{
oVector = new Vector(1, 0, 0);
}
var orientationVector = oVector.Normalize();
var orientationMagnitude =
(int)(Math.Atan2(orientationVector[Vector.I2], orientationVector[Vector.I1]) * 1000);
if (orientationMagnitude != 0)
{
if (orientationVector[1] == -1)
{
textRectangle.Y = textRectangle.Y + textRectangle.Height;
}
}
if ((_lastChunk != null) && (Math.Abs(_lastChunk.Y - textRectangle.Y) < TOLERANCE))
{
var spacing = Math.Abs(textRectangle.X - (_lastChunk.X + _lastChunk.Width));
if (spacing < renderInfo.GetSingleSpaceWidth() / 2f)
{
_lastChunk.Width += textRectangle.Width;
_lastChunk.Text += textRectangle.Text;
return;
}
}
else if ((_lastChunk != null) && (orientationVector[1] == -1) &&
(Math.Abs(_lastChunk.X - textRectangle.X) < TOLERANCE))
{
var spacing = Math.Abs(textRectangle.Y - (_lastChunk.Y + textRectangle.Height));
if (spacing < renderInfo.GetSingleSpaceWidth() / 2f)
{
_lastChunk.Height += textRectangle.Height;
_lastChunk.Text += textRectangle.Text;
return;
}
}
_lastChunk = textRectangle;
_textRectangles.Add(textRectangle);
}
public override void RenderText(TextRenderInfo renderInfo)
{
base.RenderText(renderInfo);
LineSegment baseline = renderInfo.GetBaseline();
//Create ExtendedChunk
ExtendedTextChunk aExtendedChunk = new ExtendedTextChunk(renderInfo.GetText(), baseline.GetStartPoint(), baseline.GetEndPoint(), renderInfo.GetSingleSpaceWidth(), renderInfo.GetCharacterRenderInfos().ToList());
this.m_DocChunks.Add(aExtendedChunk);
}
//--------------------------------------------------------------------------------------------------
public void RenderText(TextRenderInfo renderInfo)
{
LineSegment segment = renderInfo.GetBaseline();
TextChunk location = new TextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth());
location.iPage = Page;
int renderInfoTextLength = new StringInfo(renderInfo.GetText()).LengthInTextElements;
if (renderInfoTextLength == 1)
{
location.AscentLines.Add(renderInfo.GetAscentLine());
location.DescentLines.Add(renderInfo.GetDescentLine());
}
else
{
IList <TextRenderInfo> infos = renderInfo.GetCharacterRenderInfos();
System.Diagnostics.Debug.Assert(infos != null);
System.Diagnostics.Debug.Assert(renderInfoTextLength == infos.Count);
foreach (TextRenderInfo info in infos)
{
location.AscentLines.Add(info.GetAscentLine());
location.DescentLines.Add(info.GetDescentLine());
}
}
m_LocationalResult.Add(location);
}
/// <summary>
///
/// </summary>
/// <param name="renderInfo"></param>
public override void RenderText(TextRenderInfo renderInfo)
{
LineSegment segment = renderInfo.GetBaseline();
MyTextChunk location = new MyTextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth(), renderInfo.GetAscentLine(), renderInfo.GetDescentLine());
m_locationResult.Add(location);
}
public override void RenderText(TextRenderInfo renderInfo)
{
DocumentFont font = renderInfo.GetFont();
byte[] bytes = font.ConvertToBytes(renderInfo.GetText());
StringBuilder partStr = new StringBuilder();
//PdfDictionary dict = font.FontDictionary;
//PdfDictionary encoding = dict.GetAsDict(PdfName.ENCODING);
//if (encoding != null)
{
string renderTxt = renderInfo.GetText();
foreach (char c in renderTxt)
{
string name = c.ToString();
if (CharMaps.ContainsKey(name))
{
string chat = CharMaps[name];
partStr.Append(chat);
}
else
{
/*
* String s = name.ToString().Substring(4);
* byte[] nameBytes = this.HexStringToBytes(s);
* string text = Encoding.BigEndianUnicode.GetString(nameBytes);
* partStr.Append(text);
*/
partStr.Append(name);
}
}
/*
* PdfArray diffs = encoding.GetAsArray(PdfName.DIFFERENCES);
* StringBuilder builder = new StringBuilder();
* foreach (byte b in renderInfo.PdfString.GetBytes())
* {
* string name = "";
* try
* {
* name = diffs.GetAsName((char)b).ToString();
* }
* catch (Exception ex)
* {
* //throw ex;
* }
* if (CharMaps.ContainsKey(name))
* {
* string chat = CharMaps[name];
* //partStr.Append(chat);
* }
* else
* {
* //String s = name.ToString().Substring(4);
* //byte[] nameBytes = this.HexStringToBytes(s);
* //string text = Encoding.BigEndianUnicode.GetString(nameBytes);
* //partStr.Append(text);
* }
* }
*/
}
//else
//{
// partStr.Append(renderInfo.GetText());
//}
if (partStr.ToString().Trim().Length > 0)
{
LineSegment segment = renderInfo.GetAscentLine();
Vector startPoint = segment.GetStartPoint();
if (LastEndPoint != null)
{
int charCount = partStr.Length;
float singleWidth = renderInfo.GetSingleSpaceWidth();// segment.GetEndPoint().Subtract(segment.GetStartPoint()).Length / (float)charCount;
string[] pStartStrs = startPoint.ToString().Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
string[] pLastEndStrs = LastEndPoint.ToString().Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
float verticalSpan = Math.Abs(float.Parse(pStartStrs[1]) - float.Parse(pLastEndStrs[1]));
if (verticalSpan > renderInfo.GetSingleSpaceWidth())
{
if (verticalSpan > 4 * renderInfo.GetSingleSpaceWidth())
{
TextBuilder.Append("\r\n\r\n");
}
else
{
TextBuilder.Append("\r\n");
}
}
else
{
Vector spanVector = startPoint.Subtract(LastEndPoint);
float span = spanVector.Length;
if (span > singleWidth / 2f)
{
TextBuilder.Append(" ");
}
}
}
TextBuilder.Append(partStr.ToString());
LastEndPoint = segment.GetEndPoint();
}
base.RenderText(renderInfo);
}
public override void RenderText(TextRenderInfo renderInfo)
{
textLineFinder.RenderText(renderInfo);
LineSegment segment = renderInfo.GetBaseline();
if (renderInfo.GetRise() != 0) // remove the rise from the baseline - we do this because the text from a super/subscript render operations should probably be considered as part of the baseline of the text the super/sub is relative to
{
Matrix riseOffsetTransform = new Matrix(0, -renderInfo.GetRise());
segment = segment.TransformBy(riseOffsetTransform);
}
TextChunk location = new HorizontalTextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth(), textLineFinder);
getLocationalResult().Add(location);
}
public virtual void RenderText(TextRenderInfo renderInfo)
{
LineSegment baseline = renderInfo.GetBaseline();
TextChunk renderedItem = new TextChunk(renderInfo.GetText(), baseline.GetStartPoint(), baseline.GetEndPoint(), renderInfo.GetSingleSpaceWidth());
TextChunk foundChunk = renderedItem;
Debug.Print(renderInfo.GetText());
foundChunk.PosLeft = renderInfo.GetDescentLine().GetStartPoint()[0];
foundChunk.PosRight = renderInfo.GetAscentLine().GetEndPoint()[0];
foundChunk.PosBottom = renderInfo.GetDescentLine().GetStartPoint()[1];
foundChunk.PosTop = renderInfo.GetAscentLine().GetEndPoint()[1];
foundChunk.curFontSize = foundChunk.PosTop - baseline.GetStartPoint()[1];
string key = renderInfo.GetFont().PostscriptFontName + foundChunk.curFontSize.ToString();
if (!this.ThisPdfDocFonts.ContainsKey(key))
{
this.ThisPdfDocFonts.Add(key, renderInfo.GetFont());
}
foundChunk.FontIndex = this.ThisPdfDocFonts.IndexOfKey(key);
foundChunk = null;
this.locationalResult.Add(renderedItem);
}
/// <summary>
/// Render text.
/// </summary>
/// <param name="renderInfo">render text information</param>
public void RenderText(TextRenderInfo renderInfo)
{
var segment = renderInfo.GetBaseline();
var location = new TextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth())
{
PosLeft = renderInfo.GetDescentLine().GetStartPoint()[Vector.I1],
PosRight = renderInfo.GetAscentLine().GetEndPoint()[Vector.I1],
PosBottom = renderInfo.GetDescentLine().GetStartPoint()[Vector.I2],
PosTop = renderInfo.GetAscentLine().GetEndPoint()[Vector.I2],
FillColor = renderInfo.GetFillColor(),
StrokeColor = renderInfo.GetStrokeColor(),
Font = renderInfo.GetFont()
};
// Chunk Font Size: (Height)
location.CurFontSize = location.PosTop - segment.GetStartPoint()[Vector.I2];
// Use Font name and Size as Key in the SortedList
var strKey = renderInfo.GetFont().PostscriptFontName + location.CurFontSize;
// Add this font to ThisPdfDocFonts SortedList if it's not already present
if (!_thisPdfDocFonts.ContainsKey(strKey))
{
_thisPdfDocFonts.Add(strKey, renderInfo.GetFont());
}
// Store the SortedList index in this Chunk, so we can get it later
location.FontIndex = _thisPdfDocFonts.IndexOfKey(strKey);
_locationalResult.Add(location);
}
/**
* Captures text using a simplified algorithm for inserting hard returns and spaces
* @param renderInfo render info
*/
public void RenderText(TextRenderInfo renderInfo)
{
bool firstRender = result.Length == 0;
bool hardReturn = false;
LineSegment segment = renderInfo.GetBaseline();
Vector start = segment.GetStartPoint();
Vector end = segment.GetEndPoint();
if (!firstRender)
{
Vector x0 = start;
Vector x1 = lastStart;
Vector x2 = lastEnd;
// see http://mathworld.wolfram.com/Point-LineDistance2-Dimensional.html
float dist = (x2.Subtract(x1)).Cross((x1.Subtract(x0))).LengthSquared / x2.Subtract(x1).LengthSquared;
float sameLineThreshold = 1f; // we should probably base this on the current font metrics, but 1 pt seems to be sufficient for the time being
if (dist > sameLineThreshold)
{
hardReturn = true;
}
// Note: Technically, we should check both the start and end positions, in case the angle of the text changed without any displacement
// but this sort of thing probably doesn't happen much in reality, so we'll leave it alone for now
}
if (hardReturn)
{
//System.out.Println("<< Hard Return >>");
result.Append(Environment.NewLine);
}
else if (!firstRender)
{
if (result[result.Length - 1] != ' ' && renderInfo.GetText().Length > 0 && renderInfo.GetText()[0] != ' ')
{ // we only insert a blank space if the trailing character of the previous string wasn't a space, and the leading character of the current string isn't a space
float spacing = lastEnd.Subtract(start).Length;
if (spacing > renderInfo.GetSingleSpaceWidth() / 2f)
{
result.Append(',');
//System.out.Println("Inserting implied space before '" + renderInfo.GetText() + "'");
}
}
}
else
{
//System.out.Println("Displaying first string of content '" + text + "' :: x1 = " + x1);
}
//System.out.Println("[" + renderInfo.GetStartPoint() + "]->[" + renderInfo.GetEndPoint() + "] " + renderInfo.GetText());
//strings can be rendered in contiguous bits, so check last character for " and remove it if we need
//to stick two rendered strings together to form one string in the output
if ((!firstRender) && (result[result.Length - 1] == '\"'))
{
result.Remove(result.Length - 1, 1);
result.Append(renderInfo.GetText() + "\"");
}
else
{
result.Append("\"" + renderInfo.GetText() + "\"");
}
lastStart = start;
lastEnd = end;
}
public override void RenderText(TextRenderInfo renderInfo)
{
LineSegment segment = renderInfo.GetBaseline();
TextChunk location = new TextChunk(renderInfo.GetText(), segment.GetStartPoint(), segment.GetEndPoint(), renderInfo.GetSingleSpaceWidth());
location.PosLeft = renderInfo.GetDescentLine().GetStartPoint()[Vector.I1];
location.PosRight = renderInfo.GetAscentLine().GetEndPoint()[Vector.I1];
location.PosBottom = renderInfo.GetDescentLine().GetStartPoint()[Vector.I2];
location.PosTop = renderInfo.GetAscentLine().GetEndPoint()[Vector.I2];
location.curFontSize = location.PosTop - segment.GetStartPoint()[Vector.I2];
string StrKey = renderInfo.GetFont().PostscriptFontName + location.curFontSize.ToString();
if (!ThisPdfDocFonts.ContainsKey(StrKey))
{
ThisPdfDocFonts.Add(StrKey, renderInfo.GetFont());
}
location.FontIndex = ThisPdfDocFonts.IndexOfKey(StrKey);
locationalResult.Add(location);
}
/// Captures text using a simplified algorithm for inserting hard returns and spaces
/// @param renderInfo render info
public virtual void RenderText(TextRenderInfo renderInfo)
{
// todo handle adding last line
string text = renderInfo.GetText().Replace('\t', ' ');
if (!Utils.FloatsNearlyEqual(renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2), baseline, 0.01f) &&
!Utils.FloatsNearlyEqual(renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2), ascent, 0.01f))
{
startOfNewline = true;
}
if (startOfNewline)
{
if (currLine != null)
{
if (currChunk.ChunkStr.Length > 0)
{
StartNewWord();
startOfChunk = true;
}
currLine.RightMostPos = bottomRight.Get(Vector.I1);
currLine.LineSpacingBelow =
currLine.Descent - renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2);
}
currLine = new LineMetrics();
pageMetrics.AddLine(currLine);
currLine.Ascent = renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2);
currLine.Descent = renderInfo.GetDescentLine().GetStartPoint().Get(Vector.I2);
currLine.Baseline = renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2);
currLine.LeftMostPos = renderInfo.GetBaseline().GetStartPoint().Get(Vector.I1);
currLine.LineSpacingAbove = descent - currLine.Ascent;
startOfNewline = false;
}
CharMetrics charMetrics;
// Check if there is space char required between chunks
if (GetResultantText().Length > 0 &&
IsSpaceRequired(bottomRight.Get(Vector.I1), renderInfo.GetBaseline().GetStartPoint().Get(Vector.I1),
renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2),
renderInfo.GetSingleSpaceWidth())) // todo switch order
{
charMetrics = new CharMetrics(' ');
charMetrics.BottomLeft = new Vector3D(bottomLeft);
charMetrics.TopLeft = new Vector3D(topLeft);
charMetrics.BottomRight = new Vector3D(renderInfo.GetBaseline().GetStartPoint());
charMetrics.TopRight = new Vector3D(renderInfo.GetAscentLine().GetStartPoint());
this.charMetrices.Add(charMetrics);
text = " " + text; // todo extra spacing? e.g. handle if it is 4x singlespace width
}
TextRenderInfo lastChar = null;
int charInd = 0;
foreach (TextRenderInfo charInfo in renderInfo.GetCharacterRenderInfos())
{
if (charInfo.GetText().Length == 0)
{
continue;
}
if (lastChar != null && IsSpaceRequired(lastChar.GetBaseline().GetEndPoint().Get(Vector.I1),
charInfo.GetBaseline().GetStartPoint().Get(Vector.I1),
renderInfo.GetSingleSpaceWidth()))
{
charMetrics = new CharMetrics(' ');
charMetrics.FontSize = charInfo.GetFontSize();
charMetrics.BottomLeft = new Vector3D(lastChar.GetBaseline().GetEndPoint());
charMetrics.TopLeft = new Vector3D(lastChar.GetAscentLine().GetEndPoint());
charMetrics.BottomRight = new Vector3D(charInfo.GetBaseline().GetStartPoint());
charMetrics.TopRight = new Vector3D(charInfo.GetAscentLine().GetStartPoint());
charMetrices.Add(charMetrics);
text = text.Insert(charInd + 1, " ");
}
char c = charInfo.GetText()[0] == '\t' ? ' ' : charInfo.GetText()[0];
charMetrics = new CharMetrics(c);
charMetrics.FontSize = charInfo.GetFontSize();
charMetrics.BottomLeft = new Vector3D(charInfo.GetBaseline().GetStartPoint());
charMetrics.TopLeft = new Vector3D(charInfo.GetAscentLine().GetStartPoint());
charMetrics.BottomRight = new Vector3D(charInfo.GetBaseline().GetEndPoint());
charMetrics.TopRight = new Vector3D(charInfo.GetAscentLine().GetEndPoint());
charMetrices.Add(charMetrics);
lastChar = charInfo;
charInd++;
}
if (startOfChunk)
{
if (Utils.FloatsNearlyEqual(currLine.Baseline, baseline, 0.001f))
{
float horSpacing = Math.Abs(
bottomRight.Get(Vector.I1) - renderInfo.GetBaseline().GetStartPoint().Get(Vector.I1));
if (horSpacing > spaceWidth)
{
Console.Write("");
}
}
bottomLeft = renderInfo.GetBaseline().GetStartPoint();
topLeft = renderInfo.GetAscentLine().GetStartPoint();
currChunk.BottomLeft = new Vector3D(bottomLeft);
currChunk.TopLeft = new Vector3D(topLeft);
baseline = renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2);
ascent = renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2);
descent = renderInfo.GetDescentLine().GetStartPoint().Get(Vector.I2);
spaceWidth = renderInfo.GetSingleSpaceWidth();
startOfChunk = false;
}
bottomRight = renderInfo.GetBaseline().GetEndPoint();
topRight = renderInfo.GetAscentLine().GetEndPoint();
string currFont = renderInfo.GetFont() != null?renderInfo.GetFont().ToString() : "";
if (currChunk.FontFamily == null && currFont.Length > 0)
{
currChunk.FontFamily = currFont;
}
//Check if faux bold is used
if ((renderInfo.GetTextRenderMode() == (int)TextRenderMode.FillThenStrokeText) || // todo include render mode for outsets etc?
renderInfo.GetFont().GetFontProgram().GetFontNames().IsBold())
{
currChunk.Bold = true;
}
if (!(Utils.FloatsNearlyEqual(renderInfo.GetFont().GetFontProgram().GetFontMetrics().GetItalicAngle(), 0, 0.001f)) ||
renderInfo.GetFont().GetFontProgram().GetFontNames().IsItalic())
{
currChunk.Italic = true;
}
if (currChunk.FillColor == null && renderInfo.GetFillColor() != null)
{
currChunk.FillColor = ProcessColorInfo(renderInfo.GetFillColor());
}
if (currChunk.StrokeColor == null && renderInfo.GetStrokeColor() != null)
{
currChunk.StrokeColor = ProcessColorInfo(renderInfo.GetStrokeColor());
}
currChunk.Append(text);
result.Append(text); // todo include newlines
}