org.jpedal.objects.raw.FormStream Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of OpenViewerFX Show documentation
Show all versions of OpenViewerFX Show documentation
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 1997-2015 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.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.util.Iterator;
import java.util.Map;
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.PdfObjectReader;
import org.jpedal.parser.PdfStreamDecoder;
import org.jpedal.parser.ValueTypes;
import org.jpedal.render.*;
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;
/** 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);
//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);
}
}
/** decodes and stores the ap images */
public static void setupAPimages(final FormObject formObject) {
final PdfObject APobjN = formObject.getDictionary(PdfDictionary.AP).getDictionary(PdfDictionary.N);
//check for null to stop nullpointer on files with no Appearance Images
if(APobjN!=null){
formObject.setAppreancesUsed(true);
formObject.setNormalOnState(formObject.getName(PdfDictionary.AS));
/**
* workout default selection
*/
if(APobjN.getDictionary(PdfDictionary.On) !=null){
formObject.setNormalOnState("On");
}else {
final Map otherValues=APobjN.getOtherDictionaries();
if(otherValues!=null && !otherValues.isEmpty()){
final Iterator keys=otherValues.keySet().iterator();
String key;
while(keys.hasNext()){
key=(String)keys.next();
formObject.setNormalOnState(key);
}
}
}
//moved to end as flagLastUsed can call the imageicon
final String defaultState = formObject.getName(PdfDictionary.AS);
if (defaultState != null && defaultState.equals(formObject.getNormalOnState())) {
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);
}
//NOTE iconRotation kept to keep api but iconRotation is never used and NOT needed
final boolean useHires=true;
currentPdfFile.checkResolved(XObject);
try{
/**
* generate local object to decode the stream
*/
final ObjectStore localStore = new ObjectStore();
/**
* create renderer object
*/
final T3Renderer glyphDisplay=new T3Display(0,false,20,localStore);
//fix for hires
if(useHires){
glyphDisplay.setHiResImageForDisplayMode(useHires);
}
final PdfStreamDecoder glyphDecoder=new PdfStreamDecoder(currentPdfFile,useHires,null); //switch to hires as well
glyphDecoder.setParameters(false,true,15,0,false,false);
glyphDecoder.setStreamType(ValueTypes.FORM);
glyphDecoder.setObjectValue(ValueTypes.ObjectStore,localStore);
glyphDecoder.setRenderer(glyphDisplay);
/**read any resources*/
try{
PdfObject Resources =XObject.getDictionary(PdfDictionary.Resources);
//because N,D,R are very complicated with potentially paired values,
//Resources can end up here
//see baseline_screens/14jul/18093.pdf
if(Resources==null) {
Resources = (PdfObject) XObject.getOtherDictionaries().get("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();
final float[] matrix=XObject.getFloatArray(PdfDictionary.Matrix);
final float[] BBox=XObject.getFloatArray(PdfDictionary.BBox);
glyphDecoder.setBBox(BBox);
if(commands!=null) {
glyphDecoder.decodeStreamIntoObjects(commands, false);
}
final boolean ignoreColors=glyphDecoder.ignoreColors;
localStore.flush();
final org.jpedal.fonts.glyph.T3Glyph form= new org.jpedal.fonts.glyph.T3Glyph(glyphDisplay, 0,0,ignoreColors);
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 = ((float)width)/((float)boxWidth);
float hs = ((float)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 = ((float)width)/((float)boxWidth);
hs = ((float)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;
}
//This makes ink icons incorrect so commented out
// if(scaling>1){
// height+=2;
// width+=2;
// }
//if offset
if(offsetImage==1){
width+=2;
height+=2;
}
final BufferedImage aa;
final Graphics2D g2;
final float a;
final float b;
final float c;
final float d;
float e;
float f;
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) {
// final float[] BoundingBox = XObject.getFloatArray(PdfDictionary.BBox);
final float[] BBox2 = formObj.getFloatArray(PdfDictionary.Rect);
if (BBox2[1] > BBox2[3]) {
float t = BBox2[1];
BBox2[1] = BBox2[3];
BBox2[3] = t;
}
if (BBox2[0] > BBox2[2]) {
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]);
a = matrix[0];
b = matrix[1];
c = matrix[2];
d = matrix[3];
//scale so they offset correctly
e = matrix[4];
f = matrix[5];
//pdfStreamDecoder.gs.CTM = new float[][]{{matrix[0],matrix[1],0},{matrix[2],matrix[3],0},{matrix[4],matrix[5],1}};
//newClip=new Area(new Rectangle((int)BBox2[0],(int)BBox2[1],(int)((BBox2[2]-BBox2[0])+2),(int)((BBox2[3]-BBox2[1])+2)));
}else{
a = matrix[0];
b = matrix[1];
c = matrix[2];
d = matrix[3];
//scale so they offset correctly
e = matrix[4] * scaling * pageScaling;
f = matrix[5] * scaling * pageScaling;
}
if(c!=0){
aa=new BufferedImage(height,width,BufferedImage.TYPE_INT_ARGB);
offset=width;
}else{
aa=new BufferedImage(width,height,BufferedImage.TYPE_INT_ARGB);
if(b<0){
//already set at this
// if(e!=0f)
// e = matrix[4];
// if(f!=0f)
// f = matrix[5];
}else {
//rectX1 and rectY1 already have the scaling applied
if(e!=0f) {
e = -rectX1;
}
if(f!=0f) {
f = -rectY1;
}
}
}
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 = " + rectX1 + " rectY1 = " + rectY1 + " width = " + width + " height = " + height);
}
final AffineTransform affineTransform = new AffineTransform(a,b,c,d,e,f);
// System.out.println("affine="+affineTransform);
g2.transform(affineTransform);
} else {
aa=new BufferedImage(width,height,BufferedImage.TYPE_INT_ARGB);
g2=(Graphics2D) aa.getGraphics();
final AffineTransform flip=new AffineTransform();
flip.translate(0, offset);
flip.scale(1, -1);
g2.setTransform(flip);
}
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;
}
}
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,false,null); //switch to hires as well
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) {
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;
}
/**/
/**
* join the dots and save the image for the inklist annot
*
* NO exmaple found i switchover so moved into here for if we need
*
private static void commandInkList(Object field, FormObject formObject) {
//the ink list join the dots array
if(debug)
System.out.println("inklist array="+field);
//current shape object being drawn note we pass in handle on pageLines
PdfShape currentDrawShape=new PdfShape();
Rectangle rect = formObject.getBoundingRectangle();
String paths = (String)field;
StringTokenizer tok = new StringTokenizer(paths,"[] ",true);
int countArrays=0;
boolean isFirstPoint = false;
String next,first=null,second=null;
while(tok.hasMoreTokens()){
next = tok.nextToken();
if(next.equals("[")){
countArrays++;
isFirstPoint = true;
continue;
}else if(next.equals("]")){
countArrays--;
continue;
}else if(next.equals(" ")){
continue;
}else {
if(first!=null){
second = next;
}else {
first = next;
continue;
}
}
if(isFirstPoint){
currentDrawShape.moveTo(Float.parseFloat(first)-rect.x,Float.parseFloat(second)-rect.y);
isFirstPoint = false;
}else{
currentDrawShape.lineTo(Float.parseFloat(first)-rect.x,Float.parseFloat(second)-rect.y);
}
first = null;
}
// close for s command
// currentDrawShape.closeShape();
org.jpedal.objects.GraphicsState currentGraphicsState= new org.jpedal.objects.GraphicsState();
Shape currentShape =
currentDrawShape.generateShapeFromPath(null,
currentGraphicsState.CTM,
false,null,false,null,currentGraphicsState.getLineWidth(),0);
Stroke inkStroke = currentGraphicsState.getStroke();
BufferedImage image = new BufferedImage(rect.width,rect.height,BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D)image.getGraphics();
g2.setStroke(inkStroke);
g2.setColor(Color.red);
g2.scale(1,-1);
g2.translate(0,-image.getHeight());
g2.draw(currentShape);
g2.dispose();
formObject.setAppearanceImage(image,PdfDictionary.N,PdfDictionary.Off);
}/**/
//////code from DecodeCommand in AnnotStream
/**{
//the ink list join the dots array
//current shape object being drawn note we pass in handle on pageLines
PdfShape currentDrawShape=new PdfShape();
Rectangle rect = formObject.getBoundingRectangle();
String paths = Strip.removeArrayDeleminators((String)field);
StringTokenizer tok = new StringTokenizer(paths,"[] ",true);
boolean isFirstPoint = false;
String next,first=null,second=null;
while(tok.hasMoreTokens()){
next = tok.nextToken();
if(next.equals("[")){
isFirstPoint = true;
continue;
}else if(next.equals("]")){
continue;
}else if(next.equals(" ")){
continue;
}else {
if(first!=null){
second = next;
}else {
first = next;
continue;
}
}
if(isFirstPoint){
currentDrawShape.moveTo(Float.parseFloat(first)-rect.x,Float.parseFloat(second)-rect.y);
isFirstPoint = false;
}else{
currentDrawShape.lineTo(Float.parseFloat(first)-rect.x,Float.parseFloat(second)-rect.y);
}
first = null;
}
// close for s command
// currentDrawShape.closeShape();
org.jpedal.objects.GraphicsState currentGraphicsState=formObject.getGraphicsState();
Shape currentShape =
currentDrawShape.generateShapeFromPath(null,
currentGraphicsState.CTM,
false,null,false,null,currentGraphicsState.getLineWidth(),0);
Stroke inkStroke = currentGraphicsState.getStroke();
BufferedImage image = new BufferedImage(rect.width,rect.height,BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D)image.getGraphics();
g2.setStroke(inkStroke);
g2.setColor(Color.red);
g2.scale(1,-1);
g2.translate(0,-image.getHeight());
g2.draw(currentShape);
g2.dispose();
//ShowGUIMessage.showGUIMessage("path draw",image,"path drawn");
formObject.setNormalAppOff(image,null);
// }else if(command.equals("RD")){
// //rectangle differences left top right bottom order as recieved
// //the bounds of the internal object, in from the Rect
//
// StringTokenizer tok = new StringTokenizer(Strip.removeArrayDeleminators((String)field));
// float left = Float.parseFloat(tok.nextToken());
// float top = Float.parseFloat(tok.nextToken());
// float right = Float.parseFloat(tok.nextToken());
// float bottom = Float.parseFloat(tok.nextToken());
//
// formObject.setInternalBounds(left,top,right,bottom);
// }else {
// notFound = true;
}
/*/
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=(String) 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;
}
}