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added Cay Horstmann's printing code for postscript. 

[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 9254]
This commit is contained in:
parrt 2011-11-03 09:10:30 -08:00
parent 647cb6d0ad
commit ffc4f9b126
5 changed files with 148 additions and 2 deletions
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9
runtime/Java/src/org/antlr/v4/runtime/RuleContext.java
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@ -36,6 +36,8 @@ import org.antlr.v4.runtime.tree.ParseTreeListener;
import org.antlr.v4.runtime.tree.Trees;
import org.antlr.v4.runtime.tree.gui.TreeViewer;
import javax.print.PrintException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
@ -307,6 +309,13 @@ public class RuleContext implements ParseTree.RuleNode {
viewer.open();
}
public void save(BaseRecognizer parser, String fileName)
throws IOException, PrintException
{
TreeViewer viewer = new TreeViewer(parser, this);
viewer.save(fileName);
}
/** Print out a whole tree, not just a node, in LISP format
* (root child1 .. childN). Print just a node if this is a leaf.
* We have to know the recognizer so we can get rule names.

120
runtime/Java/src/org/antlr/v4/runtime/misc/GraphicsSupport.java Normal file
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@ -0,0 +1,120 @@
/*
[The "BSD license"]
Copyright (c) 2011 Terence Parr
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.antlr.v4.runtime.misc;
import javax.imageio.ImageIO;
import javax.print.*;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
public class GraphicsSupport {
/**
[The "BSD license"]
Copyright (c) 2011 Cay Horstmann
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
public static void saveImage(final JComponent comp, String fileName)
throws IOException, PrintException
{
if (fileName.endsWith(".ps") || fileName.endsWith(".eps")) {
DocFlavor flavor = DocFlavor.SERVICE_FORMATTED.PRINTABLE;
String mimeType = "application/postscript";
StreamPrintServiceFactory[] factories =
StreamPrintServiceFactory.lookupStreamPrintServiceFactories(flavor, mimeType);
FileOutputStream out = new FileOutputStream(fileName);
if (factories.length > 0) {
PrintService service = factories[0].getPrintService(out);
SimpleDoc doc = new SimpleDoc(new Printable() {
public int print(Graphics g, PageFormat pf, int page) {
if (page >= 1) return Printable.NO_SUCH_PAGE;
else {
double sf1 = pf.getImageableWidth() / (comp.getWidth() + 1);
double sf2 = pf.getImageableHeight() / (comp.getHeight() + 1);
double s = Math.min(sf1, sf2);
Graphics2D g2 = (Graphics2D) g;
g2.translate((pf.getWidth() - pf.getImageableWidth()) / 2,
(pf.getHeight() - pf.getImageableHeight()) / 2);
g2.scale(s, s);
comp.paint(g);
return Printable.PAGE_EXISTS;
}
}
}, flavor, null);
DocPrintJob job = service.createPrintJob();
PrintRequestAttributeSet attributes = new HashPrintRequestAttributeSet();
job.print(doc, attributes);
}
} else {
Rectangle rect = comp.getBounds();
BufferedImage image = new BufferedImage(rect.width, rect.height,
BufferedImage.TYPE_INT_RGB);
Graphics2D g = (Graphics2D) image.getGraphics();
g.setColor(Color.WHITE);
g.fill(rect);
g.setColor(Color.BLACK);
comp.paint(g);
String extension = fileName.substring(fileName.lastIndexOf('.') + 1);
ImageIO.write(image, extension, new File(fileName));
g.dispose();
}
}
}

12
runtime/Java/src/org/antlr/v4/runtime/tree/BaseAST.java
View File

@ -32,7 +32,10 @@ package org.antlr.v4.runtime.tree;
import org.antlr.v4.runtime.BaseRecognizer;
import org.antlr.v4.runtime.tree.gui.TreeViewer;
import java.util.*;
import javax.print.PrintException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/** A generic AST implementation with no payload. You must subclass to
* actually have any user data. ANTLR v3 uses a list of children approach
@ -258,6 +261,13 @@ public abstract class BaseAST implements AST {
viewer.open();
}
public void save(BaseRecognizer parser, String fileName)
throws IOException, PrintException
{
TreeViewer viewer = new TreeViewer(parser, this);
viewer.save(fileName);
}
/** Don't use standard tree printing mechanism since ASTs can have nil
* root nodes.
*/

7
runtime/Java/src/org/antlr/v4/runtime/tree/gui/TreeViewer.java
View File

@ -34,12 +34,15 @@ import org.abego.treelayout.TreeForTreeLayout;
import org.abego.treelayout.TreeLayout;
import org.abego.treelayout.util.DefaultConfiguration;
import org.antlr.v4.runtime.BaseRecognizer;
import org.antlr.v4.runtime.misc.GraphicsSupport;
import org.antlr.v4.runtime.tree.Tree;
import org.antlr.v4.runtime.tree.Trees;
import javax.print.PrintException;
import javax.swing.*;
import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
@ -211,6 +214,10 @@ public class TreeViewer extends JComponent {
showInDialog(this);
}
public void save(String fileName) throws IOException, PrintException {
GraphicsSupport.saveImage(this, fileName);
}
// ---------------------------------------------------
public void setFontSize(int sz) {

2
tool/playground/TestT.java
View File

@ -50,7 +50,7 @@ public class TestT {
System.out.println(tree.toStringTree(p));
TreeViewer v = new TreeViewer(p, tree);
v.setHighlightedBoxColor(new Color(217, 189, 187));
v.addHighlightNodes(new ArrayList<Tree>(){{
v.addHighlightNodes(new ArrayList<Tree>() {{
ParseTree c0 = tree.getChild(0);
add(c0);
add(c0.getChild(0));