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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 1997-2016 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
*
* ---------------
* SH.java
* ---------------
*/
package org.jpedal.parser.shape;
import com.idrsolutions.pdf.color.shading.ShadedPaint;
import java.awt.Rectangle;
import java.awt.Shape;
import java.util.Map;
import org.jpedal.color.ColorspaceFactory;
import org.jpedal.color.GenericColorSpace;
import org.jpedal.color.PdfPaint;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.objects.GraphicsState;
import org.jpedal.objects.PdfPageData;
import org.jpedal.objects.SwingShape;
import org.jpedal.objects.raw.PdfDictionary;
import org.jpedal.objects.raw.PdfObject;
import org.jpedal.parser.Cmd;
import org.jpedal.parser.PdfObjectCache;
import org.jpedal.render.DynamicVectorRenderer;
import org.jpedal.utils.LogWriter;
public class SH {
public static void execute(final String shadingObject, final PdfObjectCache cache, final GraphicsState gs,
final boolean isPrinting, final Map shadingColorspacesObjects, final int pageNum,
final PdfObjectReader currentPdfFile,
final PdfPageData pageData, final DynamicVectorRenderer current) {
PdfObject Shading= (PdfObject) cache.get(PdfObjectCache.LocalShadings, shadingObject);
if(Shading==null){
Shading= (PdfObject) cache.get(PdfObjectCache.GlobalShadings, shadingObject);
}
//workout shape
Shape shadeShape=null;
if(shadeShape==null) {
shadeShape = gs.getClippingShape();
}
if (shadeShape == null) {
int mh = pageData.getMediaBoxHeight(pageNum);
mh = mh == 0 ? 1024 : mh; //this is a hack page height should not be zero
int mw = pageData.getMediaBoxWidth(pageNum);
mw = mw == 0 ? 1024 : mw; //this is a hack page width should not be zero
shadeShape = new Rectangle(pageData.getMediaBoxX(pageNum), pageData.getMediaBoxY(pageNum), mw, mh);
// shadeShape = new Rectangle(pageData.getMediaBoxX(pageNum), pageData.getMediaBoxY(pageNum), pageData.getMediaBoxWidth(pageNum), pageData.getMediaBoxHeight(pageNum));
}
if (current.isHTMLorSVG() && cache.groupObj==null) {
current.eliminateHiddenText(shadeShape, gs, 7, true);
}
/*
* generate the appropriate shading and then colour in the current clip with it
*/
try{
final PdfObject ColorSpace=Shading.getDictionary(PdfDictionary.ColorSpace);
final GenericColorSpace newColorSpace= ColorspaceFactory.getColorSpaceInstance(currentPdfFile, ColorSpace, shadingColorspacesObjects);
newColorSpace.setPrinting(isPrinting);
final PdfPaint shading=new ShadedPaint(Shading, isPrinting,newColorSpace, currentPdfFile,gs.CTM,false);
/*
* shade the current clip
*/
gs.setFillType(GraphicsState.FILL);
gs.setNonstrokeColor(shading);
//track colorspace use
cache.put(PdfObjectCache.ColorspacesUsed, newColorSpace.getID(), "x");
current.drawShape(new SwingShape(shadeShape), gs, Cmd.F);
}catch(final Exception e){
LogWriter.writeLog("Exception: " + e.getMessage());
}
}
}