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-rw-r--r--src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java b/src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java
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+++ b/src/java/org/apache/fop/fo/properties/ReferenceOrientationMaker.java
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+/*
+ * Copyright 2005 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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.fo.properties;
+
+import org.apache.fop.fo.PropertyList;
+import org.apache.fop.fo.expr.PropertyException;
+import org.apache.fop.fo.properties.NumberProperty.Maker;
+
+/**
+ * Custom Maker adding validity check for reference-orientation
+ */
+public class ReferenceOrientationMaker extends Maker {
+
+ /**
+ * Constructor
+ * @param propId the Constant Id for the property to be made
+ * @see org.apache.fop.fo.properties.PropertyMaker#PropertyMaker(propId)
+ */
+ public ReferenceOrientationMaker(int propId) {
+ super(propId);
+ }
+
+ /**
+ * Check the value of the reference-orientation property.
+ *
+ * @see org.apache.fop.fo.properties.PropertyMaker#get(int, PropertyList, boolean, boolean)
+ */
+ public Property get(int subpropId, PropertyList propertyList,
+ boolean tryInherit, boolean tryDefault)
+ throws PropertyException {
+
+ Property p = super.get(0, propertyList, tryInherit, tryDefault);
+ int ro = 0;
+ if (p != null) {
+ ro = p.getNumeric().getValue();
+ }
+ if ((Math.abs(ro) % 90) == 0 && (Math.abs(ro) / 90) <= 3) {
+ return p;
+ } else {
+ throw new PropertyException("Illegal property value: "
+ + "reference-orientation=\"" + ro + "\" "
+ + "on " + propertyList.getFObj().getName());
+ }
+ }
+
+} \ No newline at end of file