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Open HTML to PDF is a CSS 2.1 renderer written in Java. This artifact contains the core rendering and layout code.
/*
* {{{ header & license
* Copyright (c) 2004, 2005 Joshua Marinacci
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*/
package com.openhtmltopdf.test;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.logging.Level;
import org.w3c.dom.Document;
import com.openhtmltopdf.render.Box;
import com.openhtmltopdf.simple.Graphics2DRenderer;
import com.openhtmltopdf.util.Uu;
import com.openhtmltopdf.util.XMLUtil;
import com.openhtmltopdf.util.XRLog;
/**
* Description of the Class
*
* @author empty
*/
public class DocumentDiffTest {
public static final int width = 500;
public static final int height = 500;
/**
* Description of the Method
*
* @param dir PARAM
* @param width PARAM
* @param height PARAM
* @throws Exception Throws
*/
public void runTests(File dir, int width, int height)
throws Exception {
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
runTests(files[i], width, height);
continue;
}
if (files[i].getName().endsWith(".xhtml")) {
String testfile = files[i].getAbsolutePath();
String difffile = testfile.substring(0, testfile.length() - 6) + ".diff";
XRLog.log("unittests", Level.WARNING, "test file = " + testfile);
//Uu.p( "diff file = " + difffile );
try {
boolean is_correct = compareTestFile(testfile, difffile, width, height);
XRLog.log("unittests", Level.WARNING, "is correct = " + is_correct);
} catch (Throwable thr) {
XRLog.log("unittests", Level.WARNING, thr.toString());
thr.printStackTrace();
}
}
}
}
/**
* Description of the Method
*
* @param dir PARAM
* @param width PARAM
* @param height PARAM
* @throws Exception Throws
*/
public void generateDiffs(File dir, int width, int height)
throws Exception {
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
generateDiffs(files[i], width, height);
continue;
}
if (files[i].getName().endsWith(".xhtml")) {
String testfile = files[i].getAbsolutePath();
String difffile = testfile.substring(0, testfile.length() - 6) + ".diff";
//Uu.p("test file = " + testfile);
generateTestFile(testfile, difffile, width, height);
Uu.p("generated = " + difffile);
}
}
}
/**
* Description of the Method
*
* @param test PARAM
* @param diff PARAM
* @param width PARAM
* @param height PARAM
* @throws Exception Throws
*/
public static void generateTestFile(String test, String diff, int width, int height)
throws Exception {
Uu.p("test = " + test);
String out = xhtmlToDiff(test, width, height);
//Uu.p("diff = \n" + out);
Uu.string_to_file(out, new File(diff));
}
/**
* Description of the Method
*
* @param xhtml PARAM
* @param width PARAM
* @param height PARAM
* @return Returns
* @throws Exception Throws
*/
public static String xhtmlToDiff(String xhtml, int width, int height)
throws Exception {
Document doc = XMLUtil.documentFromFile(xhtml);
Graphics2DRenderer renderer = new Graphics2DRenderer();
renderer.setDocument(doc, new File(xhtml).toURL().toString());
BufferedImage buff = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D g = (Graphics2D) buff.getGraphics();
Dimension dim = new Dimension(width, height);
renderer.layout(g, dim);
renderer.render(g);
StringBuffer sb = new StringBuffer();
getDiff(sb, renderer.getPanel().getRootBox(), "");
return sb.toString();
}
/**
* Description of the Method
*
* @param test PARAM
* @param diff PARAM
* @param width PARAM
* @param height PARAM
* @return Returns
* @throws Exception Throws
*/
public boolean compareTestFile(String test, String diff, int width, int height)
throws Exception {
String tin = xhtmlToDiff(test, width, height);
String din = null;
try {
din = Uu.file_to_string(diff);
} catch (FileNotFoundException ex) {
XRLog.log("unittests", Level.WARNING, "diff file missing");
return false;
}
//XRLog.log("unittests",Level.WARNING,"tin = " + tin);
//XRLog.log("unittests",Level.WARNING,"din = " + din);
if (tin.equals(din)) {
return true;
}
XRLog.log("unittests", Level.WARNING, "warning not equals");
File dfile = new File("correct.diff");
File tfile = new File("test.diff");
XRLog.log("unittests", Level.WARNING, "writing to " + dfile + " and " + tfile);
Uu.string_to_file(tin, tfile);
Uu.string_to_file(din, dfile);
//System.exit(-1);
return false;
}
/**
* Gets the diff attribute of the DocumentDiffTest object
*
* @param sb PARAM
* @param box PARAM
* @param tab PARAM
*/
public static void getDiff(StringBuffer sb, Box box, String tab) {
/* sb.append(tab + box.getTestString() + "\n"); */
for (int i = 0; i < box.getChildCount(); i++) {
getDiff(sb, (Box) box.getChild(i), tab + " ");
}
}
/**
* The main program for the DocumentDiffTest class
*
* @param args The command line arguments
* @throws Exception Throws
*/
public static void main(String[] args)
throws Exception {
XRLog.setLevel("plumbing.general", Level.OFF);
//String testfile = "tests/diff/background/01.xhtml";
//String difffile = "tests/diff/background/01.diff";
String file = null;
if (args.length == 0) {
file = "tests/diff";
} else {
file = args[0];
}
DocumentDiffTest ddt = new DocumentDiffTest();
if (new File(file).isDirectory()) {
ddt.runTests(new File(file), width, height);
} else {
System.out.println(xhtmlToDiff(file, 1280, 768));
}
}
}
/*
* $Id$
*
* $Log$
* Revision 1.19 2007/05/23 00:12:18 peterbrant
* Code cleanup (patch from Sean Bright)
*
* Revision 1.18 2007/05/20 23:25:32 peterbrant
* Various code cleanups (e.g. remove unused imports)
*
* Patch from Sean Bright
*
* Revision 1.17 2007/02/07 16:33:40 peterbrant
* Initial commit of rewritten table support and associated refactorings
*
* Revision 1.16 2005/10/22 23:00:30 peterbrant
* Fix memory leak (all box trees ever built remained in memory)
*
* Revision 1.15 2005/06/01 21:36:45 tobega
* Got image scaling working, and did some refactoring along the way
*
* Revision 1.14 2005/04/22 17:09:47 joshy
* minor changes to the document diff.
* removed system.exit
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.13 2005/04/07 16:34:52 pdoubleya
* Silly cleanups
*
* Revision 1.12 2005/01/29 20:22:18 pdoubleya
* Clean/reformat code. Removed commented blocks, checked copyright.
*
* Revision 1.11 2004/12/12 03:33:04 tobega
* Renamed x and u to avoid confusing IDE. But that got cvs in a twist. See if this does it
*
* Revision 1.10 2004/12/01 01:57:02 joshy
* more updates for float support.
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.9 2004/11/30 21:23:18 joshy
* updated the unit tests
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.8 2004/11/30 20:28:28 joshy
* support for multiple floats on a single line.
*
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.7 2004/11/12 02:23:59 joshy
* added new APIs for rendering context, xhtmlpanel, and graphics2drenderer.
* initial support for font mapping additions
*
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.6 2004/11/07 23:24:19 joshy
* added menu item to generate diffs
* added diffs for multi-colored borders and inline borders
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.5 2004/11/04 15:35:46 joshy
* initial float support
* includes right and left float
* cannot have more than one float per line per side
* floats do not extend beyond enclosing block
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.4 2004/11/01 14:24:20 joshy
* added a boolean for turning off threading
* fixed the diff tests
* removed some dead code
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.3 2004/10/23 14:01:42 pdoubleya
* Re-formatted using JavaStyle tool.
* Cleaned imports to resolve wildcards except for common packages (java.io, java.util, etc).
* Added CVS log comments at bottom.
*
*
*/