org.jpedal.fonts.tt.TTGlyph 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
The newest version!
/*
* ===========================================
* 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
*
* ---------------
* TTGlyph.java
* ---------------
*/
package org.jpedal.fonts.tt;
import org.jpedal.fonts.glyph.PdfGlyph;
import org.jpedal.fonts.tt.hinting.TTVM;
import org.jpedal.io.PathSerializer;
import org.jpedal.objects.GraphicsState;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.repositories.Vector_Path;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.geom.Area;
import java.awt.geom.GeneralPath;
import java.awt.geom.PathIterator;
import java.io.IOException;
import java.io.ObjectOutput;
import java.io.Serializable;
public class TTGlyph extends BaseTTGlyph implements PdfGlyph, Serializable{
Area glyphShape;
/**
* method to set the paths after the object has be deserialized.
*
* NOT PART OF API and subject to change (DO NOT USE)
*
* @param vp - the Vector_Path to set
*/
public void setPaths(final Vector_Path vp){
paths = vp;
}
/**
* method to serialize all the paths in this object. This method is needed because
* GeneralPath does not implement Serializable so we need to serialize it ourself.
* The correct usage is to first serialize this object, cached_current_path is marked
* as transient so it will not be serilized, this method should then be called, so the
* paths are serialized directly after the main object in the same ObjectOutput.
*
* NOT PART OF API and subject to change (DO NOT USE)
*
* @param os - ObjectOutput to write to
* @throws IOException
*/
public void writePathsToStream(final ObjectOutput os) throws IOException {
if((paths!=null)){
final GeneralPath[] generalPaths=paths.get();
int count=0;
/** find out how many items are in the collection */
for (int i = 0; i < generalPaths.length; i++) {
if(generalPaths[i]==null){
count = i;
break;
}
}
/** write out the number of items are in the collection */
os.writeObject(count);
/** iterate throught the collection, and write out each path individualy */
for (int i = 0; i < count; i++) {
final PathIterator pathIterator = generalPaths[i].getPathIterator(new AffineTransform());
PathSerializer.serializePath(os, pathIterator);
}
}
}
/**
* Unhinted constructor
*/
public TTGlyph(final Glyf currentGlyf, final FontFile2 glyfTable, final Hmtx currentHmtx, final int idx, final float unitsPerEm, final String baseFontName){
super(currentGlyf, glyfTable, currentHmtx, idx, unitsPerEm, baseFontName);
/**/
if(debug){
try{
System.out.println("debugging"+idx);
final java.awt.image.BufferedImage img=new java.awt.image.BufferedImage(700,700, java.awt.image.BufferedImage.TYPE_INT_ARGB);
final Graphics2D gg2= img.createGraphics();
for(int jj=0;jjii) {
newPos -= (ii - start + 1);
}
pX[oldPos]=old_pX[newPos];
pY[oldPos]=old_pY[newPos];
onCurve[oldPos]=old_onCurve[newPos];
}
}
//reset values
start=ii+1;
firstPt=-1;
}else if(onCurve[ii] && firstPt==-1){ //track first point
firstPt=ii;
}
}
boolean isFirstDraw=true;
final GeneralPath current_path =new GeneralPath(GeneralPath.WIND_NON_ZERO);
final int c= pX.length;
int fc=-1;
//find first end contour
for(int jj=0;jj1 || fc==lc)){
boolean checkEnd=false;
if(onCurve[p] && !onCurve[p1] && onCurve[p2] ){ //2 points + control
x1=pX[p];
y1=pY[p];
x2=pX[p1];
y2=pY[p1];
x3=pX[p2];
y3=pY[p2];
j++;
checkEnd=true;
if(debug) {
System.out.println(p + " pt,cv,pt " + x1 + ' ' + y1 + ' ' + x2 + ' ' + y2 + ' ' + x3 + ' ' + y3);
}
}else if(onCurve[p] && !onCurve[p1] && !onCurve[p2]){ //1 point + 2 control
x1=pX[p];
y1=pY[p];
x2=pX[p1];
y2=pY[p1];
x3=midPt(pX[p1], pX[p2]);
y3=midPt(pY[p1], pY[p2]);
j++;
checkEnd=true;
if(debug) {
System.out.println(p + " pt,cv,cv " + x1 + ' ' + y1 + ' ' + x2 + ' ' + y2 + ' ' + x3 + ' ' + y3);
}
}else if(!onCurve[p] && !onCurve[p1] && (!endOfContour[p2] ||fc-p2==1)){ // 2 control + 1 point (final check allows for last point to complete loop
x1=midPt(pX[pm1], pX[p]);
y1=midPt(pY[pm1], pY[p]);
x2=pX[p];
y2=pY[p];
x3=midPt(pX[p], pX[p1]);
y3=midPt(pY[p], pY[p1]);
if(debug) {
System.out.println(p + " cv,cv1 " + x1 + ' ' + y1 + ' ' + x2 + ' ' + y2 + ' ' + x3 + ' ' + y3);
}
}else if(!onCurve[p] && onCurve[p1]){ // 1 control + 2 point
x1=midPt(pX[pm1], pX[p]);
y1=midPt(pY[pm1], pY[p]);
x2=pX[p];
y2=pY[p];
x3=pX[p1];
y3=pY[p1];
if(debug) {
System.out.println(p + " cv,pt " + x1 + ' ' + y1 + ' ' + x2 + ' ' + y2 + ' ' + x3 + ' ' + y3);
}
}
if(isFirstDraw){
current_path.moveTo(x1,y1);
isFirstDraw=false;
if(debug) {
System.out.println("first draw move to " + x1 + ' ' + y1);
}
}
if (!(endOfContour[p] && p > 0 && endOfContour[p-1])) {
current_path.curveTo(x1, y1, x2, y2, x3, y3);
}
if(debug) {
System.out.println("curveto " + x1 + ' ' + y1 + ' ' + x2 + ' ' + y2 + ' ' + x3 + ' ' + y3);
}
/**if end after curve, roll back so we pick up the end*/
if( checkEnd && endOfContour[j]){
isEnd=true;
xs=pX[fc];
ys=pY[fc];
//remmeber start point
lc=fc;
//find next contour
for(int jj=j+1;jj