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From jerem...@apache.org
Subject svn commit: r594561 - /xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java
Date Tue, 13 Nov 2007 15:14:15 GMT
Author: jeremias
Date: Tue Nov 13 07:14:14 2007
New Revision: 594561

URL: http://svn.apache.org/viewvc?rev=594561&view=rev
Log:
Added class with convenience methods for writing images.

Added:
    xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java
  (with props)

Added: xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java
URL: http://svn.apache.org/viewvc/xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java?rev=594561&view=auto
==============================================================================
--- xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java
(added)
+++ xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java
Tue Nov 13 07:14:14 2007
@@ -0,0 +1,79 @@
+/*
+ * 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.xmlgraphics.image.writer;
+
+import java.awt.image.RenderedImage;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.commons.io.IOUtils;
+
+/**
+ * Convenience methods around ImageWriter for the most important tasks.
+ */
+public class ImageWriterUtil {
+
+    /**
+     * Saves a RenderedImage as a PNG file with 96 dpi.
+     * @param bitmap the bitmap to encode
+     * @param outputFile the target file
+     * @throws IOException in case of an I/O problem
+     */
+    public static void saveAsPNG(RenderedImage bitmap, File outputFile)
+                throws IOException {
+        saveAsPNG(bitmap, 96, outputFile);
+    }
+    
+    /**
+     * Saves a RenderedImage as a PNG file.
+     * @param bitmap the bitmap to encode
+     * @param resolution the bitmap resolution
+     * @param outputFile the target file
+     * @throws IOException in case of an I/O problem
+     */
+    public static void saveAsPNG(RenderedImage bitmap, int resolution, File outputFile)
+                throws IOException {
+        saveAsFile(bitmap, resolution, outputFile, "image/png");
+    }
+    
+    /**
+     * Saves a RenderedImage as a file. The image format is given through the MIME type
+     * @param bitmap the bitmap to encode
+     * @param resolution the bitmap resolution
+     * @param outputFile the target file
+     * @param mime the MIME type of the target file
+     * @throws IOException in case of an I/O problem
+     */
+    public static void saveAsFile(RenderedImage bitmap,
+            int resolution, File outputFile, String mime)
+                throws IOException {
+        OutputStream out = new java.io.FileOutputStream(outputFile);
+        try {
+            ImageWriter writer = ImageWriterRegistry.getInstance().getWriterFor(mime);
+            ImageWriterParams params = new ImageWriterParams();
+            params.setResolution(resolution);
+            writer.writeImage(bitmap, out, params);
+        } finally {
+            IOUtils.closeQuietly(out);
+        }
+    }
+    
+}

Propchange: xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java
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    svn:eol-style = native

Propchange: xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/ImageWriterUtil.java
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    svn:keywords = Id



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