Am 27.05.2016 um 18:23 schrieb Maruan Sahyoun:
Hi,
Maruan Sahyoun
Am 27.05.2016 um 16:55 schrieb Andreas Lehmkuehler <andr...@lehmi.de>:
Hi,
looks like something is mixed up, PDFBOX-3364 is already resolved and the
commit doesn't seem to fit in, or do I miss something? The same for r1745641
these should have gone to PDFBOX-3353
I've moved both comments and fixed the commit logs
BR
Andreas
BR
Andreas
Am 26.05.2016 um 23:34 schrieb msahy...@apache.org:
Author: msahyoun
Date: Thu May 26 21:34:19 2016
New Revision: 1745651
URL: http://svn.apache.org/viewvc?rev=1745651&view=rev
Log:
PDFBOX-3364: add handler for polygon annotation appearances
Added:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDPolygonAppearanceHandler.java
(with props)
Added:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDPolygonAppearanceHandler.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDPolygonAppearanceHandler.java?rev=1745651&view=auto
==============================================================================
---
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDPolygonAppearanceHandler.java
(added)
+++
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDPolygonAppearanceHandler.java
Thu May 26 21:34:19 2016
@@ -0,0 +1,195 @@
+/*
+ * 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.pdmodel.interactive.annotation.handlers;
+
+import java.io.IOException;
+
+import org.apache.pdfbox.cos.COSArray;
+import org.apache.pdfbox.cos.COSBase;
+import org.apache.pdfbox.cos.COSName;
+import org.apache.pdfbox.cos.COSNumber;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationMarkup;
+import
org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceContentStream;
+import
org.apache.pdfbox.pdmodel.interactive.annotation.PDBorderStyleDictionary;
+
+/**
+ * Handler to generate the polygon annotations appearance.
+ *
+ */
+public class PDPolygonAppearanceHandler extends PDAbstractAppearanceHandler
+{
+
+ public PDPolygonAppearanceHandler(PDAnnotation annotation)
+ {
+ super(annotation);
+ }
+
+ @Override
+ public void generateAppearanceStreams()
+ {
+ generateNormalAppearance();
+ generateRolloverAppearance();
+ generateDownAppearance();
+ }
+
+ @Override
+ public void generateNormalAppearance()
+ {
+ // Adobe doesn't generate an appearance for a link annotation
+ float lineWidth = getLineWidth();
+ try
+ {
+ PDAnnotation annotation = getAnnotation();
+ PDAppearanceContentStream contentStream =
getNormalAppearanceAsContentStream();
+ ;
+ contentStream.setStrokingColorOnDemand(getColor());
+
+ // TODO: handle opacity settings
+
+ contentStream.setBorderLine(lineWidth, ((PDAnnotationMarkup)
annotation).getBorderStyle());
+
+ // the differences rectangle
+ // TODO: this only works for border effect solid. Cloudy needs a
+ // different approach.
+ setRectDifference(lineWidth);
+
+ // Acrobat applies a padding to each side of the bbox so the line
is
+ // completely within
+ // the bbox.
+
+ // PDF 2.0: Path takes priority over Vertices
+ COSBase path =
annotation.getCOSObject().getDictionaryObject(COSName.getPDFName("Path"));
+ if (path instanceof COSArray)
+ {
+ COSArray pathArray = (COSArray) path;
+ for (int i = 0; i < pathArray.size(); i++)
+ {
+ COSBase points = pathArray.get(i);
+ if (points instanceof COSArray)
+ {
+ float[] pointsArray = ((COSArray)
points).toFloatArray();
+ // first array shall be of size 2 and specify the
moveto
+ // operator
+ if (i == 0 && pointsArray.length == 2)
+ {
+ contentStream.moveTo(pointsArray[0],
pointsArray[1]);
+ }
+ else
+ {
+ // entries of length 2 shall be treated as lineto
+ // operator
+ if (pointsArray.length == 2)
+ {
+ contentStream.lineTo(pointsArray[0],
pointsArray[1]);
+ } else if (pointsArray.length == 6)
+ {
+ contentStream.curveTo(pointsArray[0],
pointsArray[1], pointsArray[2], pointsArray[3],
+ pointsArray[4], pointsArray[5]);
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ COSBase vertices =
annotation.getCOSObject().getDictionaryObject(COSName.VERTICES);
+ if (!(vertices instanceof COSArray))
+ {
+ return;
+ }
+
+ COSArray verticesArray = (COSArray) vertices;
+ int nPoints = verticesArray.size() / 2;
+ for (int i = 0; i < nPoints; i++)
+ {
+ COSBase bx = verticesArray.getObject(i * 2);
+ COSBase by = verticesArray.getObject(i * 2 + 1);
+ if (bx instanceof COSNumber && by instanceof COSNumber)
+ {
+ float x = ((COSNumber) bx).floatValue();
+ float y = ((COSNumber) by).floatValue();
+ if (i == 0)
+ {
+ contentStream.moveTo(x, y);
+ }
+ else
+ {
+ contentStream.lineTo(x, y);
+ }
+ }
+ }
+ contentStream.stroke();
+ }
+
+ contentStream.close();
+ } catch (IOException e)
+ {
+ e.printStackTrace();
+ }
+ }
+
+ @Override
+ public void generateRolloverAppearance()
+ {
+ // No rollover appearance generated for a polygon annotation
+ }
+
+ @Override
+ public void generateDownAppearance()
+ {
+ // No down appearance generated for a polygon annotation
+ }
+
+ /**
+ * Get the line with of the border.
+ *
+ * Get the width of the line used to draw a border around the annotation.
+ * This may either be specified by the annotation dictionaries Border
+ * setting or by the W entry in the BS border style dictionary. If both are
+ * missing the default width is 1.
+ *
+ * @return the line width
+ */
+ // TODO: according to the PDF spec the use of the BS entry is annotation
+ // specific
+ // so we will leave that to be implemented by individual handlers.
+ // If at the end all annotations support the BS entry this can be handled
+ // here and removed from the individual handlers.
+ float getLineWidth()
+ {
+ PDAnnotationLink annotation = (PDAnnotationLink) getAnnotation();
+
+ PDBorderStyleDictionary bs = annotation.getBorderStyle();
+
+ if (bs != null)
+ {
+ return bs.getWidth();
+ } else
+ {
+ COSArray borderCharacteristics = annotation.getBorder();
+ if (borderCharacteristics != null && borderCharacteristics.size()
>= 3)
+ {
+ return borderCharacteristics.getInt(3);
+ }
+ }
+
+ return 1;
+ }
+}
Propchange:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDPolygonAppearanceHandler.java
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Propchange:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/interactive/annotation/handlers/PDPolygonAppearanceHandler.java
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