Author: jahewson
Date: Wed Aug 10 18:22:59 2016
New Revision: 1755794
URL: http://svn.apache.org/viewvc?rev=1755794&view=rev
Log:
PDFBOX-2941: show text bounds as an overlay
Added:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPDFRenderer.java
(with props)
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPageDrawer.java
(with props)
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugTextOverlay.java
(with props)
Modified:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/PDFDebugger.java
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java
Modified:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/PDFDebugger.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/PDFDebugger.java?rev=1755794&r1=1755793&r2=1755794&view=diff
==============================================================================
---
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/PDFDebugger.java
(original)
+++
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/PDFDebugger.java
Wed Aug 10 18:22:59 2016
@@ -16,6 +16,53 @@
*/
package org.apache.pdfbox.debugger;
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.FileDialog;
+import java.awt.Toolkit;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
+import java.awt.datatransfer.UnsupportedFlavorException;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.InputEvent;
+import java.awt.event.KeyEvent;
+import java.awt.event.WindowEvent;
+import java.awt.print.PrinterException;
+import java.awt.print.PrinterJob;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JComponent;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JMenu;
+import javax.swing.JMenuBar;
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JPasswordField;
+import javax.swing.JScrollPane;
+import javax.swing.KeyStroke;
+import javax.swing.TransferHandler;
+import javax.swing.UIManager;
+import javax.swing.border.BevelBorder;
+import javax.swing.event.TreeSelectionEvent;
+import javax.swing.event.TreeSelectionListener;
+import javax.swing.filechooser.FileFilter;
+import javax.swing.tree.TreePath;
import org.apache.pdfbox.cos.COSArray;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSBoolean;
@@ -57,53 +104,6 @@ import org.apache.pdfbox.pdmodel.PDDocum
import org.apache.pdfbox.pdmodel.encryption.InvalidPasswordException;
import org.apache.pdfbox.printing.PDFPageable;
-import javax.swing.AbstractAction;
-import javax.swing.Action;
-import javax.swing.JComponent;
-import javax.swing.JFrame;
-import javax.swing.JLabel;
-import javax.swing.JMenu;
-import javax.swing.JMenuBar;
-import javax.swing.JMenuItem;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-import javax.swing.JPasswordField;
-import javax.swing.JScrollPane;
-import javax.swing.KeyStroke;
-import javax.swing.TransferHandler;
-import javax.swing.UIManager;
-import javax.swing.border.BevelBorder;
-import javax.swing.event.TreeSelectionEvent;
-import javax.swing.event.TreeSelectionListener;
-import javax.swing.filechooser.FileFilter;
-import javax.swing.tree.TreePath;
-import java.awt.BorderLayout;
-import java.awt.Component;
-import java.awt.Dimension;
-import java.awt.FileDialog;
-import java.awt.Toolkit;
-import java.awt.datatransfer.DataFlavor;
-import java.awt.datatransfer.Transferable;
-import java.awt.datatransfer.UnsupportedFlavorException;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.InputEvent;
-import java.awt.event.KeyEvent;
-import java.awt.event.WindowEvent;
-import java.awt.print.PrinterException;
-import java.awt.print.PrinterJob;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FilenameFilter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.reflect.Method;
-import java.net.URL;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
/**
* PDF Debugger.
*
@@ -153,6 +153,9 @@ public class PDFDebugger extends JFrame
// view menu
private JMenuItem viewModeItem;
+ public static JCheckBoxMenuItem showTextStripper;
+ public static JCheckBoxMenuItem showFontBBox;
+ public static JCheckBoxMenuItem showGlyphBounds;
/**
* Constructor.
@@ -534,6 +537,20 @@ public class PDFDebugger extends JFrame
RotationMenu rotationMenu = RotationMenu.getInstance();
rotationMenu.setEnableMenu(false);
viewMenu.add(rotationMenu.getMenu());
+
+ viewMenu.addSeparator();
+
+ showTextStripper = new JCheckBoxMenuItem("Show TextStripper Bounds");
+ showTextStripper.setEnabled(false);
+ viewMenu.add(showTextStripper);
+
+ showFontBBox = new JCheckBoxMenuItem("Show Approximate Text Bounds");
+ showFontBBox.setEnabled(false);
+ viewMenu.add(showFontBBox);
+
+ showGlyphBounds = new JCheckBoxMenuItem("Show Glyph Bounds");
+ showGlyphBounds.setEnabled(false);
+ viewMenu.add(showGlyphBounds);
return viewMenu;
}
Added:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPDFRenderer.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPDFRenderer.java?rev=1755794&view=auto
==============================================================================
---
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPDFRenderer.java
(added)
+++
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPDFRenderer.java
Wed Aug 10 18:22:59 2016
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.pdfbox.debugger.pagepane;
+
+import java.io.IOException;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.rendering.PDFRenderer;
+import org.apache.pdfbox.rendering.PageDrawer;
+import org.apache.pdfbox.rendering.PageDrawerParameters;
+
+/**
+ * A custom PDFRenderer which creates instances of DebugPageDrawer.
+ *
+ * @author John Hewson
+ */
+final class DebugPDFRenderer extends PDFRenderer
+{
+ private final boolean showGlyphBounds;
+
+ DebugPDFRenderer(PDDocument document, boolean showGlyphBounds)
+ {
+ super(document);
+ this.showGlyphBounds = showGlyphBounds;
+ }
+
+ @Override
+ protected PageDrawer createPageDrawer(PageDrawerParameters parameters)
throws IOException
+ {
+ return new DebugPageDrawer(parameters, this.showGlyphBounds);
+ }
+}
Propchange:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPDFRenderer.java
------------------------------------------------------------------------------
svn:eol-style = native
Added:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPageDrawer.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPageDrawer.java?rev=1755794&view=auto
==============================================================================
---
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPageDrawer.java
(added)
+++
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPageDrawer.java
Wed Aug 10 18:22:59 2016
@@ -0,0 +1,119 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.pdfbox.debugger.pagepane;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.Stroke;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.GeneralPath;
+import java.io.IOException;
+import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType3Font;
+import org.apache.pdfbox.pdmodel.font.PDVectorFont;
+import org.apache.pdfbox.rendering.PageDrawer;
+import org.apache.pdfbox.rendering.PageDrawerParameters;
+import org.apache.pdfbox.util.Matrix;
+import org.apache.pdfbox.util.Vector;
+
+/**
+ * A custom PageDrawer with debugging overlays.
+ *
+ * @author John Hewson
+ */
+final class DebugPageDrawer extends PageDrawer
+{
+ private final boolean showGlyphBounds;
+
+ DebugPageDrawer(PageDrawerParameters parameters, boolean showGlyphBounds)
throws IOException
+ {
+ super(parameters);
+ this.showGlyphBounds = showGlyphBounds;
+ }
+
+ /**
+ * Glyph bounding boxes.
+ */
+ @Override
+ protected void showGlyph(Matrix textRenderingMatrix, PDFont font, int
code, String unicode,
+ Vector displacement) throws IOException
+ {
+ // draw glyph
+ super.showGlyph(textRenderingMatrix, font, code, unicode,
displacement);
+
+ if (showGlyphBounds)
+ {
+ Shape bbox;
+
+ // compute visual bounds
+ if (font instanceof PDType3Font)
+ {
+ // todo: implement me
+ return;
+ }
+ else
+ {
+ AffineTransform at =
textRenderingMatrix.createAffineTransform();
+ at.concatenate(font.getFontMatrix().createAffineTransform());
+
+ // get the path
+ PDVectorFont vectorFont = (PDVectorFont) font;
+ GeneralPath path = vectorFont.getNormalizedPath(code);
+
+ if (path == null)
+ {
+ return;
+ }
+
+ // stretch non-embedded glyph if it does not match the width
contained in the PDF
+ if (!font.isEmbedded())
+ {
+ float fontWidth = font.getWidthFromFont(code);
+ if (fontWidth > 0 && // ignore spaces
+ Math.abs(fontWidth - displacement.getX() * 1000) >
0.0001)
+ {
+ float pdfWidth = displacement.getX() * 1000;
+ at.scale(pdfWidth / fontWidth, 1);
+ }
+ }
+
+ Shape glyph = at.createTransformedShape(path);
+ bbox = glyph.getBounds2D();
+ }
+
+ // save
+ Graphics2D graphics = getGraphics();
+ Color color = graphics.getColor();
+ Stroke stroke = graphics.getStroke();
+ Shape clip = graphics.getClip();
+
+ // draw
+ graphics.setClip(graphics.getDeviceConfiguration().getBounds());
+ graphics.setColor(new Color(88, 152, 82)); // green
+ graphics.setStroke(new BasicStroke(1f));
+ graphics.draw(bbox);
+
+ // restore
+ graphics.setStroke(stroke);
+ graphics.setColor(color);
+ graphics.setClip(clip);
+ }
+ }
+}
Propchange:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugPageDrawer.java
------------------------------------------------------------------------------
svn:eol-style = native
Added:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugTextOverlay.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugTextOverlay.java?rev=1755794&view=auto
==============================================================================
---
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugTextOverlay.java
(added)
+++
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugTextOverlay.java
Wed Aug 10 18:22:59 2016
@@ -0,0 +1,179 @@
+/*
+ * Copyright 2015 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.pdfbox.debugger.pagepane;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.util.List;
+import org.apache.fontbox.util.BoundingBox;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType3Font;
+import org.apache.pdfbox.text.PDFTextStripper;
+import org.apache.pdfbox.text.TextPosition;
+
+/**
+ * Draws an overlay showing the locations of text found by PDFTextStripper and
another heuristic.
+ *
+ * @author Ben Litchfield
+ * @author Tilman Hausherr
+ * @author John Hewson
+ */
+final class DebugTextOverlay
+{
+ private PDDocument document;
+ private int pageIndex;
+ private float scale;
+ private boolean showTextStripper;
+ private boolean showFontBBox;
+
+ private class DebugTextStripper extends PDFTextStripper
+ {
+ private Graphics2D graphics;
+ private AffineTransform flip;
+
+ public DebugTextStripper(Graphics2D graphics) throws IOException
+ {
+ this.graphics = graphics;
+ }
+
+ public void stripPage(PDDocument document, PDPage page, int pageIndex,
float scale) throws IOException
+ {
+ // flip y-axis
+ PDRectangle cropBox = page.getCropBox();
+ this.flip = new AffineTransform();
+ flip.translate(0, cropBox.getHeight());
+ flip.scale(1, -1);
+
+ // scale and rotate
+ transform(graphics, page, scale);
+
+ setStartPage(pageIndex + 1);
+ setEndPage(pageIndex + 1);
+
+ Writer dummy = new OutputStreamWriter(new ByteArrayOutputStream());
+ writeText(document, dummy);
+ }
+
+ // scale rotate translate
+ private void transform(Graphics2D graphics, PDPage page, float scale)
+ {
+ graphics.scale(scale, scale);
+
+ int rotationAngle = page.getRotation();
+ PDRectangle cropBox = page.getCropBox();
+
+ if (rotationAngle != 0)
+ {
+ float translateX = 0;
+ float translateY = 0;
+ switch (rotationAngle)
+ {
+ case 90:
+ translateX = cropBox.getHeight();
+ break;
+ case 270:
+ translateY = cropBox.getWidth();
+ break;
+ case 180:
+ translateX = cropBox.getWidth();
+ translateY = cropBox.getHeight();
+ break;
+ }
+ graphics.translate(translateX, translateY);
+ graphics.rotate((float) Math.toRadians(rotationAngle));
+ }
+ }
+
+ @Override
+ protected void writeString(String string, List<TextPosition>
textPositions) throws IOException
+ {
+ for (TextPosition text : textPositions)
+ {
+ if (DebugTextOverlay.this.showTextStripper)
+ {
+ // in red:
+ // show rectangles with the "height" (not a real height,
but used for text extraction
+ // heuristics, it is 1/2 of the bounding box height and
starts at y=0)
+ Rectangle2D.Float rect = new Rectangle2D.Float(
+ text.getXDirAdj(),
+ (text.getYDirAdj() - text.getHeightDir()),
+ text.getWidthDirAdj(),
+ text.getHeightDir());
+ graphics.setColor(Color.red);
+ graphics.draw(rect);
+ }
+
+ if (DebugTextOverlay.this.showFontBBox)
+ {
+ // in blue:
+ // show rectangle with the real vertical bounds, based on
the font bounding box y values
+ // usually, the height is identical to what you see when
marking text in Adobe Reader
+ PDFont font = text.getFont();
+ BoundingBox bbox = font.getBoundingBox();
+
+ // advance width, bbox height (glyph space)
+ float xadvance =
font.getWidth(text.getCharacterCodes()[0]); // todo: should iterate all chars
+ Rectangle2D rect = new Rectangle2D.Float(0,
bbox.getLowerLeftY(), xadvance, bbox.getHeight());
+
+ // glyph space -> user space
+ // note: text.getTextMatrix() is *not* the Text Matrix,
it's the Text Rendering Matrix
+ AffineTransform at = (AffineTransform) flip.clone();
+
at.concatenate(text.getTextMatrix().createAffineTransform());
+
+ if (font instanceof PDType3Font)
+ {
+ // bbox and font matrix are unscaled
+
at.concatenate(font.getFontMatrix().createAffineTransform());
+ }
+ else
+ {
+ // bbox and font matrix are already scaled to 1000
+ at.scale(1 / 1000f, 1 / 1000f);
+ }
+
+ graphics.setColor(Color.blue);
+ graphics.draw(at.createTransformedShape(rect));
+ }
+ }
+ }
+ }
+
+ public DebugTextOverlay(PDDocument document, int pageIndex, float scale,
+ boolean showTextStripper, boolean showFontBBox)
+ {
+ this.document = document;
+ this.pageIndex = pageIndex;
+ this.scale = scale;
+ this.showTextStripper = showTextStripper;
+ this.showFontBBox = showFontBBox;
+ }
+
+ public void renderTo(Graphics2D graphics) throws IOException
+ {
+ DebugTextStripper stripper = new DebugTextStripper(graphics);
+ stripper.stripPage(this.document, this.document.getPage(pageIndex),
this.pageIndex, this.scale);
+ }
+}
Propchange:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/DebugTextOverlay.java
------------------------------------------------------------------------------
svn:eol-style = native
Modified:
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java?rev=1755794&r1=1755793&r2=1755794&view=diff
==============================================================================
---
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java
(original)
+++
pdfbox/trunk/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java
Wed Aug 10 18:22:59 2016
@@ -16,7 +16,9 @@
package org.apache.pdfbox.debugger.pagepane;
+import java.awt.Graphics2D;
import org.apache.pdfbox.cos.COSDictionary;
+import org.apache.pdfbox.debugger.PDFDebugger;
import org.apache.pdfbox.debugger.ui.ImageUtil;
import org.apache.pdfbox.debugger.ui.RotationMenu;
import org.apache.pdfbox.debugger.ui.ZoomMenu;
@@ -94,7 +96,7 @@ public class PagePane implements ActionL
zoomMenu.changeZoomSelection(zoomMenu.getPageZoomScale());
// render in a background thread: rendering is read-only, so this
should be ok, despite
// the fact that PDDocument is not officially thread safe
- new RenderWorker(zoomMenu.getPageZoomScale(), 0).execute();
+ new RenderWorker(zoomMenu.getPageZoomScale(), 0, false, false,
false).execute();
}
/**
@@ -111,9 +113,18 @@ public class PagePane implements ActionL
public void actionPerformed(ActionEvent actionEvent)
{
String actionCommand = actionEvent.getActionCommand();
- if (ZoomMenu.isZoomMenu(actionCommand) ||
RotationMenu.isRotationMenu(actionCommand))
+ if (ZoomMenu.isZoomMenu(actionCommand) ||
+ RotationMenu.isRotationMenu(actionCommand) ||
+ actionEvent.getSource() == PDFDebugger.showTextStripper ||
+ actionEvent.getSource() == PDFDebugger.showFontBBox ||
+ actionEvent.getSource() == PDFDebugger.showGlyphBounds)
{
- new RenderWorker(ZoomMenu.getZoomScale(),
RotationMenu.getRotationDegrees()).execute();
+ new RenderWorker(ZoomMenu.getZoomScale(),
+ RotationMenu.getRotationDegrees(),
+ PDFDebugger.showTextStripper.isSelected(),
+ PDFDebugger.showFontBBox.isSelected(),
+ PDFDebugger.showGlyphBounds.isSelected()
+ ).execute();
zoomMenu.setPageZoomScale(ZoomMenu.getZoomScale());
}
}
@@ -128,6 +139,15 @@ public class PagePane implements ActionL
rotationMenu.addMenuListeners(this);
rotationMenu.setRotationSelection(RotationMenu.ROTATE_0_DEGREES);
rotationMenu.setEnableMenu(true);
+
+ PDFDebugger.showTextStripper.setEnabled(true);
+ PDFDebugger.showTextStripper.addActionListener(this);
+
+ PDFDebugger.showFontBBox.setEnabled(true);
+ PDFDebugger.showFontBBox.addActionListener(this);
+
+ PDFDebugger.showGlyphBounds.setEnabled(true);
+ PDFDebugger.showGlyphBounds.addActionListener(this);
}
@Override
@@ -183,7 +203,7 @@ public class PagePane implements ActionL
y1 = (int) (height - y + offsetY);
break;
}
- statuslabel.setText(x1 + "," + y1);
+ statuslabel.setText("x: " + x1 + ", y: " + y1);
}
@Override
@@ -219,11 +239,18 @@ public class PagePane implements ActionL
{
private final float scale;
private final int rotation;
-
- private RenderWorker(float scale, int rotation)
+ private boolean showTextStripper;
+ private boolean showFontBBox;
+ private boolean showGlyphBounds;
+
+ private RenderWorker(float scale, int rotation, boolean
showTextStripper,
+ boolean showFontBBox, boolean showGlyphBounds)
{
this.scale = scale;
this.rotation = rotation;
+ this.showTextStripper = showTextStripper;
+ this.showFontBBox = showFontBBox;
+ this.showGlyphBounds = showGlyphBounds;
}
@Override
@@ -233,15 +260,23 @@ public class PagePane implements ActionL
label.setText("Rendering...");
statuslabel.setText("Rendering...");
- PDFRenderer renderer = new PDFRenderer(document);
+ PDFRenderer renderer = new DebugPDFRenderer(document,
this.showGlyphBounds);
long t0 = System.nanoTime();
- BufferedImage bim = renderer.renderImage(pageIndex, scale);
+ BufferedImage image = renderer.renderImage(pageIndex, scale);
long t1 = System.nanoTime();
long ms = TimeUnit.MILLISECONDS.convert(t1 - t0,
TimeUnit.NANOSECONDS);
statuslabel.setText("Rendered in " + ms + " ms");
- return ImageUtil.getRotatedImage(bim, rotation);
+
+ // debug overlays
+ DebugTextOverlay debugText = new DebugTextOverlay(document,
pageIndex, scale,
+
showTextStripper, showFontBBox);
+ Graphics2D g = image.createGraphics();
+ debugText.renderTo(g);
+ g.dispose();
+
+ return ImageUtil.getRotatedImage(image, rotation);
}
@Override
