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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 1997-2015 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
*
* ---------------
* F.java
* ---------------
*/
package org.jpedal.parser.shape;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.WritableRaster;
import org.jpedal.color.ColorSpaces;
import org.jpedal.external.ShapeTracker;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.objects.GraphicsState;
import org.jpedal.objects.PdfShape;
import org.jpedal.objects.raw.PdfDictionary;
import org.jpedal.objects.raw.PdfObject;
import org.jpedal.parser.*;
import org.jpedal.parser.image.PDFObjectToImage;
import org.jpedal.render.DynamicVectorRenderer;
public class F {
public static void execute(final int tokenNumber, final boolean isStar, final int formLevel, final PdfShape currentDrawShape, final GraphicsState gs,
final PdfObjectCache cache, final PdfObjectReader currentPdfFile, final DynamicVectorRenderer current, final ParserOptions parserOptions, final float multiplyer) {
//ignore transparent white if group set
if((formLevel>0 && cache.groupObj!=null && !cache.groupObj.getBoolean(PdfDictionary.K) && gs.getAlphaMax(GraphicsState.FILL)>0.84f && (gs.nonstrokeColorSpace.getID() == ColorSpaces.DeviceCMYK))
&& (gs.nonstrokeColorSpace.getColor().getRGB()==-1)) {
return;
}
/**
* if SMask with this color, we need to ignore
* (only case of white with BC of 1,1,1 at present for 11jun/12.pdf)
*/
if(gs.SMask!=null && gs.nonstrokeColorSpace.getID() == ColorSpaces.DeviceCMYK){
final float[] BC=gs.SMask.getFloatArray(PdfDictionary.BC);
if(gs.nonstrokeColorSpace.getColor().getRGB()==-16777216 && BC!=null && BC[0]==1.0f) {
return;
}
}
/**
* if SMask with this color, we need to ignore
* (only case of white with BC of 1,1,1 at present for 11jun/4.pdf)
*/
if(gs.SMask!=null && gs.nonstrokeColorSpace.getID() == ColorSpaces.ICC){
final float[] BC=gs.SMask.getFloatArray(PdfDictionary.BC);
if(gs.nonstrokeColorSpace.getColor().getRGB()==-16777216 && BC!=null && BC[0]==0.0f) {
return;
}
}
//replace F with image if soft mask set (see randomHouse/9781609050917_DistX.pdf)
if(gs.SMask!=null && gs.SMask.getDictionary(PdfDictionary.G)!=null &&
(gs.nonstrokeColorSpace.getID()==ColorSpaces.DeviceRGB || gs.nonstrokeColorSpace.getID()==ColorSpaces.DeviceCMYK)){
if(gs.nonstrokeColorSpace.getColor().getRGB()==-1 && gs.getOPM()==1.0f) {
return;
}
final float[] BC=gs.SMask.getFloatArray(PdfDictionary.BC);
if(gs.nonstrokeColorSpace.getColor().getRGB()==-16777216 && BC!=null && BC[0]==1.0f && BC[1]==1.0f && BC[2]==1.0f) {
return;
}
if(gs.nonstrokeColorSpace.getColor().getRGB()==-16777216 && BC!=null && BC[0]==0.0f && BC[1]==0.0f && BC[2]==0.0f && gs.getOPM()==0.0f) {
return;
}
createSMaskFill(gs,currentPdfFile, current, parserOptions,formLevel, multiplyer);
return;
}
// (see randomHouse/9781609050917_DistX.pdf)
//if(gs.SMask!=null && (gs.SMask.getGeneralType(PdfDictionary.SMask)==PdfDictionary.None || gs.SMask.getGeneralType(PdfDictionary.SMask)==PdfDictionary.Multiply) && gs.nonstrokeColorSpace.getID() == ColorSpaces.DeviceRGB && gs.getOPM()==1.0f && gs.nonstrokeColorSpace.getColor().getRGB()==-16777216){
if(gs.SMask!=null && gs.SMask.getGeneralType(PdfDictionary.SMask)!=PdfDictionary.None && gs.nonstrokeColorSpace.getID() == ColorSpaces.DeviceRGB && gs.getOPM()==1.0f && gs.nonstrokeColorSpace.getColor().getRGB()==-16777216){
return;
}
if(parserOptions.isLayerVisible()){
//set Winding rule
if (isStar){
currentDrawShape.setEVENODDWindingRule();
}else {
currentDrawShape.setNONZEROWindingRule();
}
currentDrawShape.closeShape();
Shape currentShape=null;
Object fxPath=null;
/**
* fx alternative
*/
if(parserOptions.useJavaFX()){
fxPath=currentDrawShape.getPath();
}else{
//generate swing shape and stroke and status. Type required to check if EvenOdd rule emulation required.
currentShape =currentDrawShape.generateShapeFromPath(gs.CTM,gs.getLineWidth(), Cmd.F,current.getType());
}
boolean hasShape=currentShape!=null || fxPath!=null;
//track for user if required
final ShapeTracker customShapeTracker=parserOptions.getCustomShapeTraker();
if(customShapeTracker!=null){
if(isStar) {
customShapeTracker.addShape(tokenNumber, Cmd.Fstar, currentShape, gs.nonstrokeColorSpace.getColor(), gs.strokeColorSpace.getColor());
} else {
customShapeTracker.addShape(tokenNumber, Cmd.F, currentShape, gs.nonstrokeColorSpace.getColor(), gs.strokeColorSpace.getColor());
}
}
//do not paint white CMYK in overpaint mode
if(hasShape && gs.getAlpha(GraphicsState.FILL)<1 &&
gs.nonstrokeColorSpace.getID()==ColorSpaces.DeviceN && gs.getOPM()==1.0f &&
gs.nonstrokeColorSpace.getColor().getRGB()==-16777216 ){
//System.out.println(gs.getNonStrokeAlpha());
//System.out.println(nonstrokeColorSpace.getAlternateColorSpace()+" "+nonstrokeColorSpace.getColorComponentCount()+" "+nonstrokeColorSpace.pantoneName);
boolean ignoreTransparent =true; //assume true and disprove
final float[] raw=gs.nonstrokeColorSpace.getRawValues();
if(raw!= null){
final int count=raw.length;
for(int ii=0;ii0){
ignoreTransparent =false;
ii=count;
}
}
}
if(ignoreTransparent){
hasShape=false;
}
}
//save for later
if (hasShape && parserOptions.isRenderPage()){
gs.setStrokeColor(gs.strokeColorSpace.getColor());
gs.setNonstrokeColor(gs.nonstrokeColorSpace.getColor());
gs.setFillType(GraphicsState.FILL);
if(parserOptions.useJavaFX()){
current.drawShape(fxPath,gs, Cmd.F);
}else{
current.drawShape(currentShape,gs, Cmd.F);
if (current.isHTMLorSVG() && cache.groupObj==null) {
current.eliminateHiddenText(currentShape, gs, currentDrawShape.getSegmentCount(),false);
}
}
}
}
//always reset flag
currentDrawShape.setClip(false);
currentDrawShape.resetPath(); // flush all path ops stored
}
/**
* make image from SMask and colour in with fill colour to simulate effect
*/
private static void createSMaskFill(final GraphicsState gs, final PdfObjectReader currentPdfFile,
final DynamicVectorRenderer current, final ParserOptions parserOptions, final int formLevel, final float multiplyer) {
final PdfObject maskObj=gs.SMask.getDictionary(PdfDictionary.G);
currentPdfFile.checkResolved(maskObj);
final float[] BBox;//size
BBox= maskObj.getFloatArray(PdfDictionary.BBox);
/**get dimensions as an image*/
int fx=(int)BBox[0];
final int fy=(int)BBox[1];
final int fw=(int)BBox[2];
final int fh=(int)(BBox[3]);
//check x,y offsets and factor in
if(fx<0) {
fx = 0;
}
/**
* get the SMAsk
*/
final BufferedImage smaskImage = PDFObjectToImage.getImageFromPdfObject(maskObj, fx, fw, fy, fh, currentPdfFile, parserOptions,formLevel, multiplyer,false,1f);
final WritableRaster ras=smaskImage.getRaster();
final int w=ras.getWidth();
final int h=ras.getHeight();
/**
* and colour in
*/
boolean transparent;
final int[] values=new int[4];
//get fill colour
final int fillColor=gs.nonstrokeColorSpace.getColor().getRGB();
values[0]=(byte) ((fillColor>>16) & 0xFF);
values[1]=(byte) ((fillColor>>8) & 0xFF);
values[2]=(byte) ((fillColor) & 0xFF);
final int[] transparentPixel={0,0,0,0};
for(int y=0;y