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/*
 * ===========================================
 * 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


 *
 * ---------------
 * FixImageIcon.java
 * ---------------
 */
package org.jpedal.objects.acroforms.overridingImplementations;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;

import javax.swing.Icon;
import javax.swing.SwingConstants;

import org.jpedal.objects.raw.FormObject;

import org.jpedal.io.PdfObjectReader;
import org.jpedal.objects.raw.FormStream;
import org.jpedal.objects.raw.PdfObject;

public class FixImageIcon extends CustomImageIcon implements Icon, SwingConstants {

    private static final long serialVersionUID = 8946195842453749725L;
    
    final PdfObject formObject;
    
    /** used to tell the paint method that we need to scale up the image for printing */
    private boolean currentlyPrinting;
    private int printMultiplier = 1;

    /** -1 means only one image,
0 means unselected,
1 means selected *
if there is only one image it is stored as the selected image */ private int selected = -1; private static final int UNSELECTEDICON = 0; private static final int SELECTEDICON = 1; /** stores the root image for selected and unselected icons */ private BufferedImage rootImageSelected, rootImageUnselected; /** stores the final image after any icon rotation */ private BufferedImage imageSelected,imageUnselected; private PdfObject selObj; private PdfObject unSelObj; private PdfObjectReader currentpdffile; private int subtype; /** if 0 no change, 1 offset image, 2 invert image */ private int offsetImage; /** constructor to be used for one image */ public FixImageIcon(final PdfObject formObject, final BufferedImage img, final int iconRot) { super(iconRot); this.formObject=formObject; if(img!=null) { imageSelected = img; } else //if null store opaque image { imageSelected = FormObject.getOpaqueImage(); } selected = -1; } /** new code to store the data to create the image when needed to the size needed * offset = if 0 no change, 1 offset image, 2 invert image */ public FixImageIcon(final PdfObject formObject, final PdfObject imgObj, final int iconRot, final PdfObjectReader pdfObjectReader, final int type, final int offset){ super(iconRot); this.formObject=formObject; selObj = imgObj; selected = -1; currentpdffile = pdfObjectReader; subtype = type; offsetImage = offset; // if(selObj.getObjectRefAsString().equals("128 0 R") || selObj.getObjectRefAsString().equals("130 0 R")) // debug = true; } /** new code that stores the data to create the image at the defined size needed. * constructor for 2 images to be used for multipul pressed images, *
sel should be 1 if its currently selected, 0 if unselected. *
offset = if 0 no change, 1 offset image, 2 invert image */ public FixImageIcon(final PdfObject formObject, final PdfObject selObject, final PdfObject unselObject, final int iconRot, final int sel, final PdfObjectReader pdfObjectReader, final int type, final int offset) { super(iconRot); this.formObject=formObject; selObj = selObject; unSelObj = unselObject; selected = sel; currentpdffile = pdfObjectReader; subtype = type; offsetImage = offset; // if(selObj.getObjectRefAsString().equals("128 0 R") || selObj.getObjectRefAsString().equals("130 0 R")) // debug = true; } /** returns the currently selected Image*/ @Override public Image getImage(){ final Image image; checkAndCreateimage(); switch(selected){ case UNSELECTEDICON: image = imageUnselected; break; default: //or SELECTEDICON image = imageSelected; break; } return image; } @Override public synchronized void paintIcon(final Component c, final Graphics g, final int x, final int y) { final BufferedImage image = (BufferedImage) getImage(); if (image == null) { return; } if (c.isEnabled()) { g.setColor(c.getBackground()); } else { g.setColor(Color.gray); } final Graphics2D g2 = (Graphics2D) g; if (iconWidth > 0 && iconHeight > 0) { int drawWidth = iconWidth; int drawHeight = iconHeight; boolean rotateIcon = false; if((iconRotation==270 || iconRotation==90)){ //mark to rotate the x and y positions later rotateIcon = true; //swap width and height so that the image is drawn in the corect orientation //without changing the raw width and height for the icon size drawWidth = iconHeight; drawHeight = iconWidth; } //only work out scaling if we have a dictionary of an image, as otherwise it could be a blank image (i.e. 1 x 1). if(currentpdffile!=null){ //work out w,h which we want to draw inside our icon to maintain aspect ratio. float ws = (float)drawWidth / (float)image.getWidth(null); float hs = (float)drawHeight / (float)image.getHeight(null); //check if dimensions are correct and alter if not final float diff = ws-hs; final int diffInt = (int)diff; if(diffInt!=0){ //reserve the current rotation marker as its wrong rotateIcon = !rotateIcon; final int tmp = drawWidth; drawWidth = drawHeight; drawHeight = tmp; ws = (float)drawWidth / (float)image.getWidth(null); hs = (float)drawHeight / (float)image.getHeight(null); } if(ws (rootImageUnselected.getWidth(null)) || newHeight > (rootImageUnselected.getHeight(null)) || newWidth < (rootImageUnselected.getWidth(null)/MAXSCALEFACTOR) || newHeight < (rootImageUnselected.getHeight(null)/MAXSCALEFACTOR)){ rootImageUnselected = FormStream.decode(formObject,currentpdffile, unSelObj, subtype,newWidth,newHeight,offsetImage,1); imageUnselected = FormStream.rotate(rootImageUnselected,iconRotation); }//icon rotation is always defined in the constructor so we dont need to change it break; default: //or SELECTEDICON if(rootImageSelected==null || newWidth > (rootImageSelected.getWidth(null)) || newHeight > (rootImageSelected.getHeight(null)) || newWidth < (rootImageSelected.getWidth(null)/MAXSCALEFACTOR) || newHeight < (rootImageSelected.getHeight(null)/MAXSCALEFACTOR)){ rootImageSelected = FormStream.decode(formObject,currentpdffile, selObj, subtype,newWidth,newHeight,offsetImage,1); imageSelected = FormStream.rotate(rootImageSelected,iconRotation); }//icon rotation is always defined in the constructor so we dont need to change it break; } } /** if this imageicon was constructed for use with one image this will do nothing, *
otherwise it will set the selected image to be the selected image if the flag is true * or the unseleced image if the flag is false. */ public void swapImage(final boolean selectedImage) { if(selected==-1) { return; } if(selectedImage) { selected = SELECTEDICON; } else { selected = UNSELECTEDICON; } } /**generates higher quality images */ public void setPrinting(final boolean print, final int multiplier){ currentlyPrinting = print; printMultiplier = multiplier; checkAndCreateimage(); } }




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