public override void EventOccurred(IEventData data, EventType type)
{
if (!type.Equals(EventType.RENDER_TEXT))
{
return;
}
TextRenderInfo renderInfo = (TextRenderInfo)data;
string curFont = renderInfo.GetFont().GetFontProgram().ToString();
float curFontSize = renderInfo.GetFontSize();
IList <TextRenderInfo> text = renderInfo.GetCharacterRenderInfos();
foreach (TextRenderInfo t in text)
{
string letter = t.GetText();
Vector l_start = t.GetBaseline().GetStartPoint(),
l_end = t.GetAscentLine().GetEndPoint();
Rectangle l_rect = new Rectangle(l_start.Get(0), l_start.Get(1),
l_end.Get(0) - l_start.Get(0), l_end.Get(1) - l_start.Get(1));
if (letter != " " && !letter.Contains(' '))
{
TextResult.Add(new TextChunk()
{
Text = letter,
Rect = l_rect,
FontFamily = curFont,
FontSize = curFontSize,
});
}
}
}
public override void EventOccurred(IEventData data, EventType type)
{
base.EventOccurred(data, type);
TextRenderInfo tri = data as TextRenderInfo;
//if (type != EventType.RENDER_TEXT)
if (tri == null)
{
return;
}
PdfFont font = tri.GetFont();//it has been checked that it returns the same font object.
float fontSize = Math.Abs/*sometimes it is negative in iText7*/ (tri.GetFontSize());
//if (font.GetAscent("I", fontSize) == 0)
// fontSize = 0;
List <CharBox> cbs = new List <CharBox>();
IList <TextRenderInfo> cris = tri.GetCharacterRenderInfos();
foreach (TextRenderInfo cri in cris)
{
Vector baseLeft = cri.GetBaseline().GetStartPoint();
Vector topRight = cri.GetAscentLine().GetEndPoint();
//float rise = cri.GetRise();
//if (rise != 0)
// rise = rise;
float fontHeightFromBaseLine = topRight.Get(Vector.I2) - baseLeft.Get(Vector.I2);
//if (fontSize > 0)
//{
// float fontHeightFromBaseLine2 = fontSize * 0.75f/*(?)convertion from PX to PT*/;//!!!this calculation is heuristic and coincides with cri.GetAscentLine().GetEndPoint().Get(Vector.I2) - bottomLeft.Get(Vector.I2) in iText5
// if (fontHeightFromBaseLine > fontHeightFromBaseLine2)
// fontHeightFromBaseLine = fontHeightFromBaseLine2;
//}
float x = baseLeft.Get(Vector.I1);
//float y = topRight.Get(Vector.I2);
CharBox cb = new CharBox
{
Char = cri.GetText(),
R = new System.Drawing.RectangleF
{
X = x - pageSize.X,
Y = pageSize.Height + pageSize.Y - baseLeft.Get(Vector.I2) - fontHeightFromBaseLine,//(!)basic positioning point is char's baseLine, not ascentLine
Width = topRight.Get(Vector.I1) - x,
//Height = y - bottomLeft.Get(Vector.I2)// + d,
Height = fontHeightFromBaseLine
},
Font = font,
FontSize = fontSize
};
cbs.Add(cb);
}
CharBoxs.AddRange(cbs);
}
public override void EventOccurred(IEventData data, EventType type)
{
if (!type.Equals(EventType.RENDER_TEXT))
{
return;
}
TextRenderInfo renderInfo = (TextRenderInfo)data;
string curFont = renderInfo.GetFont().GetFontProgram().ToString();
float curFontSize = renderInfo.GetFontSize();
IList <TextRenderInfo> text = renderInfo.GetCharacterRenderInfos();
foreach (TextRenderInfo t in text)
{
string letter = t.GetText();
Vector letterStart = t.GetDescentLine().GetStartPoint();
Vector letterEnd = t.GetAscentLine().GetEndPoint();
if (letter != " " && !letter.Contains(" "))
{
TextChar c = new TextChar();
chars.Add(c);
c.text = letter;
c.x1 = letterStart.Get(0);
c.x2 = letterEnd.Get(0);
c.y1 = letterStart.Get(1);
c.y2 = letterEnd.Get(1);
if (c.y1 > c.y2)
{
c.y1 = letterEnd.Get(1);
c.y2 = letterStart.Get(1);
}
c.fontFamily = curFont;
c.fontSize = curFontSize;
}
}
}
/// <summary>Filter a TextRenderInfo object</summary>
/// <param name="text">the TextRenderInfo to be filtered</param>
public virtual PdfCleanUpFilter.FilterResult <PdfArray> FilterText(TextRenderInfo text)
{
PdfTextArray textArray = new PdfTextArray();
if (IsTextNotToBeCleaned(text))
{
return(new PdfCleanUpFilter.FilterResult <PdfArray>(false, new PdfArray(text.GetPdfString())));
}
foreach (TextRenderInfo ri in text.GetCharacterRenderInfos())
{
if (IsTextNotToBeCleaned(ri))
{
textArray.Add(ri.GetPdfString());
}
else
{
textArray.Add(new PdfNumber(-ri.GetUnscaledWidth() * 1000f / (text.GetFontSize() * text.GetHorizontalScaling
() / 100)));
}
}
return(new PdfCleanUpFilter.FilterResult <PdfArray>(true, textArray));
}
public float GetFontSize(TextRenderInfo textRenderInfo, LineSegment baseline, LineSegment ascentLine)
{
var fontSize = textRenderInfo.GetFontSize();
var height = ascentLine.GetStartPoint().Get(1) - baseline.GetStartPoint().Get(1);
if (fontSize > 0.99 && fontSize < 1.01)
{
LogWrongFontSize("no font size. take height of line:" + height);
return(height * 1.05F);
}
var ctm = textRenderInfo.GetGraphicsState().GetCtm();
var heightFont = ctm.Get(Matrix.I22);
if (heightFont > 0.99 && heightFont < 1.01)
{
if (fontSize > height * 1.3)
{
LogWrongFontSize("big fontSize:" + fontSize + ". take height of line:" + height);
return(height * 1.3F);
}
}
else
{
if (heightFont > 0)
{
fontSize *= heightFont;
LogWrongFontSize("height font positive: " + heightFont);
}
else
{
fontSize *= -heightFont;
}
}
return(fontSize);
}
public override void EventOccurred(IEventData data, EventType type)
{
if (!type.Equals(EventType.RENDER_TEXT))
{
return;
}
TextRenderInfo renderInfo = (TextRenderInfo)data;
float counter = increaseCounter();
var font = renderInfo.GetFont().GetFontProgram();
var originalFontName = font.ToString();
var fontRegex = Regex.Match(originalFontName, @"(?<=\+)[a-zA-Z\s]+");
string fontName = fontRegex.Success ? fontRegex.Value : originalFontName;
var fontStyle = font.GetFontNames().GetFontStyle();
float curFontSize = renderInfo.GetFontSize();
float key = counter;
IList <TextRenderInfo> text = renderInfo.GetCharacterRenderInfos();
foreach (TextRenderInfo character in text)
{
key += 0.001f;
var textRenderMode = character.GetTextRenderMode();
var opacity = character.GetGraphicsState().GetFillOpacity();
//if (textRenderMode != 0 || opacity != 1)
//{
//}
string letter = character.GetText();
Color color;
var fillColor = character.GetFillColor();
var colors = fillColor.GetColorValue();
if (colors.Length == 1)
{
color = Color.FromArgb((int)(255 * (1 - colors[0])), Color.Black);
}
else if (colors.Length == 3)
{
color = Color.FromArgb((int)(255 * colors[0]), (int)(255 * colors[1]), (int)(255 * colors[2]));
}
else if (colors.Length == 4)
{
color = Color.FromArgb((int)(255 * colors[0]), (int)(255 * colors[1]), (int)(255 * colors[2]), (int)(255 * colors[3]));
}
else
{
color = Color.Black;
}
//if(letter == "A")
//{
//}
if (string.IsNullOrWhiteSpace(letter))
{
continue;
}
//Get the bounding box for the chunk of text
var bottomLeft = character.GetDescentLine().GetStartPoint();
var topRight = character.GetAscentLine().GetEndPoint();
//Create a rectangle from it
var rect = new Geom.Rectangle(
bottomLeft.Get(Vector.I1),
topRight.Get(Vector.I2),
topRight.Get(Vector.I1),
topRight.Get(Vector.I2)
);
var currentChunk = new itext.pdfimage.Models.TextChunk()
{
Text = letter,
Rect = rect,
FontFamily = fontName,
FontSize = (int)curFontSize,
FontStyle = fontStyle,
Color = color,
SpaceWidth = character.GetSingleSpaceWidth() / 2f
};
chunkDictionairy.Add(key, currentChunk);
}
base.EventOccurred(data, type);
}