Author: tilman
Date: Wed Oct 28 17:38:45 2015
New Revision: 1711080
URL: http://svn.apache.org/viewvc?rev=1711080&view=rev
Log:
PDFBOX-2246: add example how to sometimes get text colors with PDFTextStripper
Added:
pdfbox/trunk/examples/src/main/java/org/apache/pdfbox/examples/util/PrintTextColors.java
(with props)
Added:
pdfbox/trunk/examples/src/main/java/org/apache/pdfbox/examples/util/PrintTextColors.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/examples/src/main/java/org/apache/pdfbox/examples/util/PrintTextColors.java?rev=1711080&view=auto
==============================================================================
---
pdfbox/trunk/examples/src/main/java/org/apache/pdfbox/examples/util/PrintTextColors.java
(added)
+++
pdfbox/trunk/examples/src/main/java/org/apache/pdfbox/examples/util/PrintTextColors.java
Wed Oct 28 17:38:45 2015
@@ -0,0 +1,139 @@
+/*
+ * 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.examples.util;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColor;
+import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorN;
+import org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorSpace;
+import
org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceCMYKColor;
+import
org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceGrayColor;
+import
org.apache.pdfbox.contentstream.operator.color.SetNonStrokingDeviceRGBColor;
+import org.apache.pdfbox.contentstream.operator.color.SetStrokingColor;
+import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorN;
+import org.apache.pdfbox.contentstream.operator.color.SetStrokingColorSpace;
+import
org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceCMYKColor;
+import
org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceGrayColor;
+import
org.apache.pdfbox.contentstream.operator.color.SetStrokingDeviceRGBColor;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.graphics.color.PDColor;
+import org.apache.pdfbox.pdmodel.graphics.state.RenderingMode;
+import org.apache.pdfbox.text.PDFTextStripper;
+import org.apache.pdfbox.text.TextPosition;
+
+/**
+ * This is an example on how to get the colors of text. Note that this will
not tell the background,
+ * and will only work properly if the text is not overwritten later, and only
if the text rendering
+ * modes are 0, 1 or 2. In the PDF 32000 specification, please read 9.3.6
"Text Rendering Mode" to
+ * know more. Mode 0 (FILL) is the default. Mode 1 (STROKE) will make glyphs
look "hollow". Mode 2
+ * (FILL_STROKE) will make glyphs look "fat".
+ *
+ * @author Ben Litchfield
+ * @author Tilman Hausherr
+ */
+public class PrintTextColors extends PDFTextStripper
+{
+ /**
+ * Instantiate a new PDFTextStripper object.
+ *
+ * @throws IOException If there is an error loading the properties.
+ */
+ public PrintTextColors() throws IOException
+ {
+ addOperator(new SetStrokingColorSpace());
+ addOperator(new SetNonStrokingColorSpace());
+ addOperator(new SetStrokingDeviceCMYKColor());
+ addOperator(new SetNonStrokingDeviceCMYKColor());
+ addOperator(new SetNonStrokingDeviceRGBColor());
+ addOperator(new SetStrokingDeviceRGBColor());
+ addOperator(new SetNonStrokingDeviceGrayColor());
+ addOperator(new SetStrokingDeviceGrayColor());
+ addOperator(new SetStrokingColor());
+ addOperator(new SetStrokingColorN());
+ addOperator(new SetNonStrokingColor());
+ addOperator(new SetNonStrokingColorN());
+ }
+
+ /**
+ * This will print the documents data.
+ *
+ * @param args The command line arguments.
+ *
+ * @throws IOException If there is an error parsing the document.
+ */
+ public static void main(String[] args) throws IOException
+ {
+ if (args.length != 1)
+ {
+ usage();
+ }
+ else
+ {
+ PDDocument document = null;
+ try
+ {
+ document = PDDocument.load(new File(args[0]));
+
+ PDFTextStripper stripper = new PrintTextColors();
+ stripper.setSortByPosition(true);
+ stripper.setStartPage(0);
+ stripper.setEndPage(document.getNumberOfPages());
+
+ Writer dummy = new OutputStreamWriter(new
ByteArrayOutputStream());
+ stripper.writeText(document, dummy);
+ }
+ finally
+ {
+ if (document != null)
+ {
+ document.close();
+ }
+ }
+ }
+ }
+
+ @Override
+ protected void processTextPosition(TextPosition text)
+ {
+ super.processTextPosition(text);
+
+ PDColor strokingColor = getGraphicsState().getStrokingColor();
+ PDColor nonStrokingColor = getGraphicsState().getNonStrokingColor();
+ String unicode = text.getUnicode();
+ RenderingMode renderingMode =
getGraphicsState().getTextState().getRenderingMode();
+ System.out.println("Unicode: " + unicode);
+ System.out.println("Rendering mode: " + renderingMode);
+ System.out.println("Stroking color: " + strokingColor);
+ System.out.println("Non-Stroking color: " + nonStrokingColor);
+ System.out.println("Non-Stroking color: " + nonStrokingColor);
+ System.out.println();
+
+ // See the PrintTextLocations for more attributes
+ }
+
+ /**
+ * This will print the usage for this document.
+ */
+ private static void usage()
+ {
+ System.err.println("Usage: java " + PrintTextColors.class.getName() +
" <input-pdf>");
+ }
+}
Propchange:
pdfbox/trunk/examples/src/main/java/org/apache/pdfbox/examples/util/PrintTextColors.java
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svn:eol-style = native
