Added general support for the fox:conversion-mode inside the new IF.

Cleaned up usage of fox:conversion-mode foreign attribute.
Plus additional cleanup.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_AreaTreeNewDesign@733455 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 64 insertions, 0 deletions

diff --git a/src/java/org/apache/fop/render/ImageHandlerUtil.java b/src/java/org/apache/fop/render/ImageHandlerUtil.java
new file mode 100644
index 000000000..41e0e1d45
--- /dev/null
+++ b/src/java/org/apache/fop/render/ImageHandlerUtil.java
@@ -0,0 +1,64 @@
+/*
+ * 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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.render;
+
+import java.util.Map;
+
+import org.apache.xmlgraphics.util.QName;
+
+import org.apache.fop.fo.extensions.ExtensionElementMapping;
+
+/**
+ * Utility methods for image handling.
+ */
+public class ImageHandlerUtil {
+
+    /** conversion-mode extension attribute */
+    public static final QName CONVERSION_MODE = new QName(
+            ExtensionElementMapping.URI, null, "conversion-mode");
+
+    /** Conversion mode: indicates that the image shall be converted to a bitmap. */
+    public static final String CONVERSION_MODE_BITMAP = "bitmap";
+
+    /**
+     * Indicates whether the image conversion mode is set to bitmap mode, i.e. the image shall
+     * be converted to a bitmap.
+     * @param mode the conversion mode
+     * @return true if conversion mode is "bitmap"
+     */
+    public static boolean isConversionModeBitmap(String mode) {
+        return CONVERSION_MODE_BITMAP.equalsIgnoreCase(mode);
+    }
+
+    /**
+     * Indicates whether the image conversion mode is set to bitmap mode, i.e. the image shall
+     * be converted to a bitmap.
+     * @param foreignAttributes a map of foreign attributes (Map<QName, Object>)
+     * @return true if conversion mode is "bitmap"
+     */
+    public static boolean isConversionModeBitmap(Map foreignAttributes) {
+        if (foreignAttributes == null) {
+            return false;
+        }
+        String conversionMode = (String)foreignAttributes.get(CONVERSION_MODE);
+        return isConversionModeBitmap(conversionMode);
+    }
+
+}