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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* FormStream.java
* ---------------
*/
package org.jpedal.objects.raw;
import java.awt.AlphaComposite;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.util.StringTokenizer;
import org.jpedal.external.ExternalHandlers;
import org.jpedal.fonts.FontMappings;
import org.jpedal.fonts.PdfFont;
import org.jpedal.fonts.StandardFonts;
import org.jpedal.io.ObjectStore;
import org.jpedal.io.PdfFileReader;
import org.jpedal.io.PdfObjectFactory;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.parser.PdfStreamDecoder;
import org.jpedal.parser.ValueTypes;
import org.jpedal.render.T3Display;
import org.jpedal.render.T3Renderer;
import org.jpedal.utils.LogWriter;
/**
* can object and creat images, set values in Appearances
*/
public class FormStream {
public static final boolean debugUnimplemented = false;//to show unimplemented parts*/
public static final boolean debug = false;//print info to screen
//only display once
private static boolean showFontMessage;
/**
* exit when an unimplemented feature or error has occured in form/annot code
*/
public static final boolean exitOnError=false;
public static Object[] getRolloverKeyValues(final PdfObject form, final PdfFileReader pdfFileReader) {
final PdfObject APobjR = form.getDictionary(PdfDictionary.AP).getDictionary(PdfDictionary.R);
String key=null;
PdfObject val=null;
PdfObject rollOffDic = null;
final PdfKeyPairsIterator APkeys = APobjR.getKeyPairsIterator();
if (APkeys != null && APkeys.getTokenCount() > 0) {
while (APkeys.hasMorePairs()) {
final String glyphKey = APkeys.getNextKeyAsString();
final byte[] data = APkeys.getNextValueAsBytes();
if (data != null) {
if (glyphKey.equals("Off")) {
rollOffDic = PdfObjectFactory.getPDFObjectObjectFromRefOrDirect(new FormObject(glyphKey), pdfFileReader, data, PdfDictionary.AP);
} else {
key = glyphKey;
val = PdfObjectFactory.getPDFObjectObjectFromRefOrDirect(new FormObject(glyphKey), pdfFileReader, data, PdfDictionary.AP);
}
}
APkeys.nextPair();
}
} else {
if (APobjR.getDictionary(PdfDictionary.Off) != null) {
rollOffDic = APobjR.getDictionary(PdfDictionary.Off);
} else if (APobjR.getDecodedStream() != null) {
rollOffDic = APobjR;
}
//if we have a root stream then it is the off value
if(APobjR.getDictionary(PdfDictionary.On) !=null){
key = "On";
val = APobjR.getDictionary(PdfDictionary.On);
}
}
return new Object[] {key, val, rollOffDic};
}
public static Object[] getNormalKeyValues(final PdfObject form, final PdfFileReader pdfFileReader) {
final PdfObject APobjN = form.getDictionary(PdfDictionary.AP).getDictionary(PdfDictionary.N);
String key=null;
PdfObject val=null;
PdfObject normalOffDic = null;
//@zain @bethan - you will need to copy my changes into your version of this routine
//DO THIS FIRST
final PdfKeyPairsIterator APkeys=APobjN.getKeyPairsIterator();
if(APkeys!=null && APkeys.getTokenCount()>0) {
while(APkeys.hasMorePairs()){
final String glyphKey=APkeys.getNextKeyAsString();
final byte[] data=APkeys.getNextValueAsBytes();
if(data!=null){
if(glyphKey.equals("Off")){
normalOffDic=PdfObjectFactory.getPDFObjectObjectFromRefOrDirect(new FormObject(glyphKey), pdfFileReader, data, PdfDictionary.AP);
}else{
key=glyphKey;
val=PdfObjectFactory.getPDFObjectObjectFromRefOrDirect(new FormObject(glyphKey), pdfFileReader, data, PdfDictionary.AP);
}
}
APkeys.nextPair();
}
}else{
//if we have a root stream then it is the off value
//check in order of N Off, MK I, then N
//as N Off overrides others and MK I is in preference to N
if(APobjN.getDictionary(PdfDictionary.Off) !=null){
normalOffDic = APobjN.getDictionary(PdfDictionary.Off);
}else if(form.getDictionary(PdfDictionary.MK).getDictionary(PdfDictionary.I) !=null
&& form.getDictionary(PdfDictionary.MK).getDictionary(PdfDictionary.IF)==null){
//look here for MK IF
//if we have an IF inside the MK then use the MK I as some files shown that this value is there
//only when the MK I value is not as important as the AP N.
normalOffDic = form.getDictionary(PdfDictionary.MK).getDictionary(PdfDictionary.I);
}else if(APobjN.getDecodedStream()!=null){
normalOffDic = APobjN;
}
if(APobjN.getDictionary(PdfDictionary.On) !=null){
val = APobjN.getDictionary(PdfDictionary.On);
key = "On";
}
}
return new Object[]{key,val,normalOffDic};
}
public static Object[] getDownKeyValues(final PdfObject form, final PdfFileReader pdfFileReader){
final PdfObject APobjD = form.getDictionary(PdfDictionary.AP).getDictionary(PdfDictionary.D);
String key=null;
PdfObject val=null;
PdfObject downOffDic = null;
final PdfKeyPairsIterator APkeys=APobjD.getKeyPairsIterator();
if(APkeys!=null && APkeys.getTokenCount()>0) {
while(APkeys.hasMorePairs()) {
final String glyphKey=APkeys.getNextKeyAsString();
final byte[] data=APkeys.getNextValueAsBytes();
if (data != null) {
if (glyphKey.equals("Off")) {
downOffDic = PdfObjectFactory.getPDFObjectObjectFromRefOrDirect(new FormObject(glyphKey), pdfFileReader, data, PdfDictionary.AP);
} else {
key=glyphKey;
val=PdfObjectFactory.getPDFObjectObjectFromRefOrDirect(new FormObject(glyphKey), pdfFileReader, data, PdfDictionary.AP);
}
}
APkeys.nextPair();
}
}
else {
//down on
if (APobjD.getDictionary(PdfDictionary.On) != null) {
key = "On";
val = APobjD.getDictionary(PdfDictionary.On);
}
//down off
//if we have a root stream then it is the off value
if (APobjD.getDecodedStream() != null) {
downOffDic = APobjD;
} else if (APobjD.getDictionary(PdfDictionary.Off) != null) {
downOffDic = APobjD.getDictionary(PdfDictionary.Off);
}
}
return new Object[]{key, val, downOffDic};
}
/** handle of file reader for form streams*/
protected PdfObjectReader currentPdfFile;
/**
* flag to show if XFA (will be disabled if XFA from version which is not pure XFA)
*/
public boolean isXFA;
/**
* stop anyone creating empty instance
*/
public FormStream(){}
public static final int[] id = {PdfDictionary.A,PdfDictionary.C2,PdfDictionary.Bl,
PdfDictionary.E, PdfDictionary.X, PdfDictionary.D, PdfDictionary.U, PdfDictionary.Fo,
PdfDictionary.PO, PdfDictionary.PC, PdfDictionary.PV,
PdfDictionary.PI, PdfDictionary.O, PdfDictionary.C1, PdfDictionary.K,
PdfDictionary.F, PdfDictionary.V, PdfDictionary.C2, PdfDictionary.DC,
PdfDictionary.WS, PdfDictionary.DS, PdfDictionary.WP, PdfDictionary.DP};
/**
* takes in a FormObject already populated with values for the child to overwrite
*/
public void createAppearanceString(final FormObject formObj, final PdfObjectReader inCurrentPdfFile) {
currentPdfFile = inCurrentPdfFile;
init(formObj);
}
private void init(final FormObject formObject) {
final boolean debug=false;//formObject.getPDFRef().equals("68 0 R");
if(debug) {
System.out.println("------------------------------setValues-------------------------------" + formObject + ' ' + formObject.getObjectRefAsString());
}
//set Ff flags
final int Ff=formObject.getInt(PdfDictionary.Ff);
if(Ff!=PdfDictionary.Unknown) {
formObject.commandFf(Ff);
}
//set Javascript
resolveAdditionalAction(formObject);
if(debug) {
System.out.println("AP=" + formObject.getDictionary(PdfDictionary.AP));
}
//at the moment only handles static
// (and not dynamic which are created at Runtime if
// formObject.getBoolean(PdfDictionary.NeedAppearances) is true
setupAPimages(formObject,currentPdfFile.getObjectReader());
//set H
final int key = formObject.getNameAsConstant(PdfDictionary.H);
if(key!=PdfDictionary.Unknown){
/*
* highlighting mode
* done when the mouse is pressed or held down inside the fields active area
* N nothing
* I invert the contents
* O invert the border
* P display down appearance stream, or if non available offset the normal to look down
* T same as P
*
* this overides the down appearance
* Default value = I
*/
if (key==PdfDictionary.T || key==PdfDictionary.P) {
if (!formObject.hasDownImage()) {
formObject.setOffsetDownApp();
}
} else if (key==PdfDictionary.N) {
//do nothing on press
formObject.setNoDownIcon();
} else if (key==PdfDictionary.I) {
//invert the contents colors
formObject.setInvertForDownIcon();
}
}
//set Fonts
final String textStream=formObject.getTextStreamValue(PdfDictionary.DA);
if(textStream!=null){
decodeFontCommandObj(textStream, formObject);
}
}
/** set correct flags for AP images */
private static void setupAPimages(final FormObject formObject, final PdfFileReader pdfFileReader) {
final PdfObject APobjN = formObject.getDictionary(PdfDictionary.AP).getDictionary(PdfDictionary.N);
//if valid AP, setup flags to show we use images
if(APobjN!=null){
final String ASvalue=formObject.getName(PdfDictionary.AS);
formObject.setAppreancesUsed(true);
final String key=(String) getNormalKeyValues(formObject, pdfFileReader)[0];
if(key!=null){
formObject.setNormalOnState(key);
if (ASvalue != null && ASvalue.equals(key)) {
formObject.setSelected(true);
}
}
}
}
/**
* defines actions to be executed on events 'Trigger Events'
*
* @Action This is where the raw data is parsed and put into the FormObject
*/
private void resolveAdditionalAction(final FormObject formObject) {
/*
* entries NP, PP, FP, LP never used
* A action when pressed in active area ?some others should now be ignored?
* E action when cursor enters active area
* X action when cursor exits active area
* D action when cursor button pressed inside active area
* U action when cursor button released inside active area
* Fo action on input focus
* BI action when input focus lost
* PO action when page containing is opened,
* actions O of pages AA dic, and OpenAction in document catalog should be done first
* PC action when page is closed, action C from pages AA dic follows this
* PV action on viewing containing page
* PI action when no longer visible in viewer
* K action on - [javascript]
* keystroke in textfield or combobox
* modifys the list box selection
* (can access the keystroke for validity and reject or modify)
* F the display formatting of the field (e.g 2 decimal places) [javascript]
* V action when fields value is changed [javascript]
* C action when another field changes (recalculate this field) [javascript]
*/
int idValue;
for (final int anId : id) {
//store most actions in lookup table to make code shorter/faster
idValue = anId;
currentPdfFile.setJavascriptForObject(formObject, PdfDictionary.AA, idValue);
currentPdfFile.setJavascriptForObject(formObject, PdfDictionary.A, idValue);
}
}
/**
* decode appearance stream and convert into VectorRenderObject we can redraw
* if width and height are 0 we define the size hear
* offsetImage - 0= no change, 1= offset, 2= invert image
* pScaling used by HTML - set to 1 otherwise
*/
public static BufferedImage decode(final PdfObject formObj, final PdfObjectReader currentPdfFile, final PdfObject XObject, final int subtype,
int width, int height, final int offsetImage, final float pageScaling){
//handle XFA differently
if(XObject.getObjectType()==PdfDictionary.XFA_APPEARANCE){
return ExternalHandlers.decode(formObj, currentPdfFile, XObject, subtype, width, height, offsetImage, pageScaling);
}
currentPdfFile.checkResolved(XObject);
try{
//create renderer object
final org.jpedal.fonts.glyph.T3Glyph form = decodeStream(currentPdfFile, XObject);
final float[] matrix=XObject.getFloatArray(PdfDictionary.Matrix);
final float[] BBox=XObject.getFloatArray(PdfDictionary.BBox);
final float scaling;
float rectX1=0,rectY1=0;
if(BBox!=null){
for(int ii=0;ii<4;ii++) {
BBox[ii] *= pageScaling;
}
rectX1 = (BBox[0]);
rectY1 = (BBox[1]);
//Some files have fractions of a pixel in their size In some cases
//this needs to be ignored, other times it should be expanded to a full pixel
//At the moment this is not required, this note is left as a reminder.
int boxWidth=(int) (((BBox[2]+0.5f)-BBox[0]));
if(boxWidth<0) {
boxWidth = -boxWidth;
}
int boxHeight=(int) (((BBox[3]+0.5f)-BBox[1]));
if(boxHeight<0) {
boxHeight = -boxHeight;
}
if(boxWidth==0 && boxHeight>0) {
boxWidth = 1;
}
if(boxWidth>0 && boxHeight==0) {
boxHeight = 1;
}
//if the width and height scaling are miles apart then the width and height
//are probably the wrong way round so swap them. and recalc the scalings.
float ws = width/((float)boxWidth);
float hs = height/((float)boxHeight);
//check if dimensions are correct and alter if not
final float diff = ws-hs;
final int diffInt = (int)diff;
if(diffInt!=0){
//NOTE width and height sent in need to be rotated
//as they are not as the image is drawn
final int tmpI = width;
width = height;
height = tmpI;
ws = width/((float)boxWidth);
hs = height/((float)boxHeight);
}
//NOTE now we re set the width and height to scaled
//value of Bounding box to keep the orientation
//if scaling less than 1 use 1
if(ws<1 || hs<1){
scaling = 1;
width = boxWidth;
height = boxHeight;
}else {
//use larger scaling as will produce better image
if(ws>hs){
scaling = ws;
height = (int) (boxHeight*scaling);
}else {
scaling = hs;
width = (int) (boxWidth*scaling);
}
//make sure image position is scaled
rectX1*=scaling;
rectY1*=scaling;
}
}else {
final float defaultSize = 20;
if(heighths){
scaling = ws;
height=(int)(defaultSize*scaling);
}else {
scaling = hs;
width=(int)(defaultSize*scaling);
}
//make sure image position is scaled
rectX1*=scaling;
rectY1*=scaling;
}
if(width==0 || height==0) {
return null;
}
//if offset
if(offsetImage==1){
width+=2;
height+=2;
}
final BufferedImage aa;
if (matrix != null && matrix[2] != 0) {
aa = new BufferedImage(height, width, BufferedImage.TYPE_INT_ARGB);
} else {
aa = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
}
final Graphics2D g2 = createGaphics(aa, formObj, matrix, BBox, pageScaling, scaling, rectX1, rectY1, width, height);
if(offsetImage==2){//invert
g2.scale(-1, -1);
} else if(offsetImage==1){//offset
g2.translate(1, 1);
}
//add transparency for highlights
if(subtype==PdfDictionary.Highlight) {
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
}
//carry the sclaing through to the render method
form.render(0,g2, scaling*pageScaling,true);
g2.dispose();
return aa;
}catch(final Exception e){
LogWriter.writeLog("Exception: " + e.getMessage());
return null;
}catch(final Error e){
LogWriter.writeLog("Error: " + e.getMessage());
if (ExternalHandlers.throwMissingCIDError && e.getMessage()!=null && e.getMessage().contains("kochi")) {
throw e;
}
return null;
}
}
private static Graphics2D createGaphics(final BufferedImage aa, final PdfObject formObj, float[] matrix, final float[] BBox, final float pageScaling, final float scaling, final float transformOffsetX, final float transformOffsetY, final int width, final int height) {
final Graphics2D g2;
int offset = height;
if (matrix != null) {
//Added for odd case 22179
//pageScaling!=1 added to lock out of html as when not 1 html baseline is affected
if (pageScaling == 1 && matrix[4] > 0 && matrix[5] > 0) {
matrix = createMatrixFromBoundBoxes(BBox, formObj.getFloatArray(PdfDictionary.Rect));
} else {
//scale so they offset correctly
matrix[4] = matrix[4] * scaling * pageScaling;
matrix[5] = matrix[5] * scaling * pageScaling;
}
if (matrix[2] != 0) {
offset = width;
} else {
if (matrix[1] >= 0) {
//rectX1 and rectY1 already have the scaling applied
if (matrix[4] != 0f) {
matrix[4] = -transformOffsetX;
}
if (matrix[5] != 0f) {
matrix[5] = -transformOffsetY;
}
}
}
g2 = (Graphics2D) aa.getGraphics();
final AffineTransform flip = new AffineTransform();
flip.translate(0, offset);
flip.scale(1, -1);
g2.setTransform(flip);
if (debug) {
System.out.println(" rectX1 = " + transformOffsetX + " rectY1 = " + transformOffsetY + " width = " + width + " height = " + height);
}
final AffineTransform affineTransform = new AffineTransform(matrix);
g2.transform(affineTransform);
} else {
g2 = (Graphics2D) aa.getGraphics();
final AffineTransform flip = new AffineTransform();
flip.translate(0, offset);
flip.scale(1, -1);
g2.setTransform(flip);
if (formObj.getParameterConstant(PdfDictionary.Subtype) == PdfDictionary.Ink) {
g2.translate(-(BBox[0] * scaling), -(BBox[3] * scaling));
}
}
return g2;
}
private static float[] createMatrixFromBoundBoxes(final float[] BBox, final float[] BBox2) {
final float[] matrix = new float[6];
if (BBox2[1] > BBox2[3]) {
final float t = BBox2[1];
BBox2[1] = BBox2[3];
BBox2[3] = t;
}
if (BBox2[0] > BBox2[2]) {
final float t = BBox2[0];
BBox2[0] = BBox2[2];
BBox2[2] = t;
}
matrix[0] = (BBox2[2] - BBox2[0]) / (BBox[2] - BBox[0]);
matrix[1] = 0;
matrix[2] = 0;
matrix[3] = (BBox2[3] - BBox2[1]) / (BBox[3] - BBox[1]);
matrix[4] = (BBox2[0] - BBox[0]);
matrix[5] = (BBox2[1] - BBox[1]);
return matrix;
}
private static org.jpedal.fonts.glyph.T3Glyph decodeStream(final PdfObjectReader currentPdfFile, final PdfObject XObject) {
//generate local object to decode the stream
final ObjectStore localStore = new ObjectStore();
final T3Renderer glyphDisplay = new T3Display(0, false, 20, localStore);
final PdfStreamDecoder glyphDecoder = new PdfStreamDecoder(currentPdfFile);
glyphDecoder.setParameters(false, true, 15, 0, false, false);
glyphDecoder.setStreamType(ValueTypes.FORM);
glyphDecoder.setObjectValue(ValueTypes.ObjectStore, localStore);
glyphDecoder.setRenderer(glyphDisplay);
/*read any resources*/
try {
final PdfObject Resources = XObject.getDictionary(PdfDictionary.Resources);
if (Resources != null) {
glyphDecoder.readResources(Resources, false);
}
} catch (final Exception e) {
LogWriter.writeLog("Exception: " + e.getMessage());
}
final float[] BBox = XObject.getFloatArray(PdfDictionary.BBox);
glyphDecoder.setBBox(BBox);
/*decode the stream*/
final byte[] commands = XObject.getDecodedStream();
if (commands != null) {
glyphDecoder.decodeStreamIntoObjects(commands, false);
}
final boolean ignoreColors = glyphDecoder.ignoreColors;
localStore.flush();
return new org.jpedal.fonts.glyph.T3Glyph(glyphDisplay, 0, 0, ignoreColors);
}
public static String decipherTextFromAP(final PdfObjectReader currentPdfFile, final PdfObject Xobject){
try{
final ObjectStore localStore = new ObjectStore();
/*
* create renderer object
*/
final T3Renderer glyphDisplay=new T3Display(0,false,20,localStore);
/*
* generate local object to decode the stream
*/
final PdfStreamDecoder glyphDecoder=new PdfStreamDecoder(currentPdfFile,null);
glyphDecoder.setParameters(false,true,15,0,false,false);
glyphDecoder.setObjectValue(ValueTypes.ObjectStore,localStore);
glyphDecoder.setRenderer(glyphDisplay);
/*read any resources*/
try{
final PdfObject Resources =Xobject.getDictionary(PdfDictionary.Resources);
if (Resources != null) {
glyphDecoder.readResources(Resources, false);
}
}catch(final Exception e){
LogWriter.writeLog("Exception: " + e.getMessage());
}
/*decode the stream*/
final byte[] commands=Xobject.getDecodedStream();
String textString="";
if(commands!=null) {
textString = glyphDecoder.decodeStreamIntoObjects(commands, true);
}
if(textString==null || textString.isEmpty()) {
textString = null;
}
localStore.flush();
return textString;
}catch(final Exception e){
LogWriter.writeLog("Exception: " + e.getMessage());
return null;
}catch(final Error e){
LogWriter.writeLog("Error: " + e.getMessage());
if (ExternalHandlers.throwMissingCIDError && e.getMessage()!=null && e.getMessage().contains("kochi")) {
throw e;
}
return null;
}
}
/**
* method to rotate an image through a given angle
* @param src the source image
* @param rotation the angle to rotate the image through
* @return the rotated image
*/
public static BufferedImage rotate(final BufferedImage src, final int rotation) {
final BufferedImage dst;
if(src == null) {
return null;
}
//if angle is 0 we dont need to do anything
if(rotation==0) {
return src;
}
final double angle = rotation * Math.PI / 180;
final int w = src.getWidth();
final int h = src.getHeight();
final int newW = (int)(Math.round(h * Math.abs(Math.sin(angle))+w * Math.abs(Math.cos(angle))));
final int newH = (int)(Math.round(h * Math.abs(Math.cos(angle))+w * Math.abs(Math.sin(angle))));
final AffineTransform at = AffineTransform.getTranslateInstance((newW-w)/2,(newH-h)/2);
at.rotate(angle, w/2, h/2);
dst = new BufferedImage(newW,newH,BufferedImage.TYPE_INT_ARGB);
final Graphics2D g2 = dst.createGraphics();
g2.drawRenderedImage(src, at);
g2.dispose();
return dst;
}
public boolean hasXFADataSet() {
return false;
}
/**
* takes the PDF commands and creates a font
*/
public static void decodeFontCommandObj(final String fontStream, final FormObject formObject){
//now parse the stream into a sequence of tokens
final StringTokenizer tokens=new StringTokenizer(fontStream,"() []");
final int tokenCount=tokens.countTokens();
final String[] tokenValues=new String[tokenCount];
int i=0;
while(tokens.hasMoreTokens()){
tokenValues[i]=tokens.nextToken();
i++;
}
//now work out what it does and build up info
for(i=tokenCount-1;i>-1;i--){
// System.out.println(tokenValues[i]+" "+i);
//look for commands
if(tokenValues[i].equals("g")){ //set color (takes 1 values
i--;
float col=0;
try{
col=Float.parseFloat(handleComma(tokenValues[i]));
}catch(final Exception e){
LogWriter.writeLog("Error in generating g value "+tokenValues[i]+ ' ' +e);
}
formObject.setTextColor(new float[]{col});
}else if(tokenValues[i].equals("Tf")){ //set font (takes 2 values - size and font
i--;
int textSize=8;
try{
textSize=(int) Float.parseFloat(handleComma(tokenValues[i]));
// if(textSize==0)
// textSize = 0;//TODO check for 0 sizes CHANGE size to best fit on 0
}catch(final Exception e){
LogWriter.writeLog("Error in generating Tf size "+tokenValues[i]+ ' ' +e);
}
i--;//decriment for font name
String font=null;
try{
font=tokenValues[i];
if(font.startsWith("/")) {
font = font.substring(1);
}
}catch(final Exception e){
LogWriter.writeLog("Error in generating Tf font "+tokenValues[i]+" "+e);
}
final PdfFont currentFont=new PdfFont();
currentFont.setFont(font, textSize);
String fontName=StandardFonts.expandName(font);
final String altName= FontMappings.fontSubstitutionAliasTable.get(fontName.toLowerCase());
if(altName!=null) {
fontName = altName;
}
formObject.setFontName(fontName);
formObject.setTextFont(currentFont.getGlyphData().getUnscaledFont());
formObject.setTextSize(textSize);
}else if(tokenValues[i].equals("rg") || tokenValues[i].equals("r")){
i--;
final float b=Float.parseFloat(handleComma(tokenValues[i]));
i--;
final float g=Float.parseFloat(handleComma(tokenValues[i]));
i--;
final float r=Float.parseFloat(handleComma(tokenValues[i]));
formObject.setTextColor(new float[]{r,g,b});
}else if(tokenValues[i].equals("Sig")){
LogWriter.writeFormLog("Sig- UNIMPLEMENTED="+fontStream+"< "+i,debugUnimplemented);
}else if(tokenValues[i].equals("\\n")){
//ignore \n
if(debug) {
System.out.println("ignore \\n");
}
}else {
if(!showFontMessage){
showFontMessage=true;
LogWriter.writeFormLog("{stream} Unknown FONT command "+tokenValues[i]+ ' ' +i+" string="+fontStream,debugUnimplemented);
}
}
}
}
private static String handleComma(String tokenValue) {
//if comma used as full stop remove
final int comma=tokenValue.indexOf(',');
if(comma!=-1) {
tokenValue = tokenValue.substring(0, comma);
}
return tokenValue;
}
@SuppressWarnings("UnusedDeclaration")
public byte[] getXFA(final int xfaTemplate) {
throw new RuntimeException("getXFA Should never be called in base class");
}
public boolean isXFA() {
return isXFA;
}
}