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Magnolia Imaging Module 3.4.2-SUPPORT-10161

  1. Project Clover database Tue Jul 16 2019 23:33:19 EEST
  2. Package info.magnolia.imaging

File DefaultImageStreamer.java

 

Coverage histogram

../../../img/srcFileCovDistChart9.png
42% of files have more coverage

Code metrics

2
18
2
1
92
38
3
0.17
9
2
1.5

Classes

Class Line # Actions
DefaultImageStreamer 57 18 0% 3 2
0.9090909490.9%
 

Contributing tests

This file is covered by 35 tests. .

Source view

1    /**
2    * This file Copyright (c) 2009-2018 Magnolia International
3    * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10    * This file is distributed in the hope that it will be
11    * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12    * implied warranty of MERCHANTABILITY or FITNESS FOR A
13    * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14    * Redistribution, except as permitted by whichever of the GPL
15    * or MNA you select, is prohibited.
16    *
17    * 1. For the GPL license (GPL), you can redistribute and/or
18    * modify this file under the terms of the GNU General
19    * Public License, Version 3, as published by the Free Software
20    * Foundation. You should have received a copy of the GNU
21    * General Public License, Version 3 along with this program;
22    * if not, write to the Free Software Foundation, Inc., 51
23    * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24    *
25    * 2. For the Magnolia Network Agreement (MNA), this file
26    * and the accompanying materials are made available under the
27    * terms of the MNA which accompanies this distribution, and
28    * is available at http://www.magnolia-cms.com/mna.html
29    *
30    * Any modifications to this file must keep this entire header
31    * intact.
32    *
33    */
34    package info.magnolia.imaging;
35   
36    import info.magnolia.imaging.util.ImageUtil;
37   
38    import java.awt.image.BufferedImage;
39    import java.io.IOException;
40    import java.io.OutputStream;
41    import java.util.Iterator;
42   
43    import javax.imageio.IIOImage;
44    import javax.imageio.ImageIO;
45    import javax.imageio.ImageTypeSpecifier;
46    import javax.imageio.ImageWriteParam;
47    import javax.imageio.ImageWriter;
48    import javax.imageio.stream.ImageOutputStream;
49   
50    /**
51    * An ImageStreamer implementation which always generates the image.
52    * It also knows about some of the javax.imageio quirks, so other
53    * implementations should consider subclassing or wrapping it.
54    *
55    * @param <P> type of ParameterProvider's parameter
56    */
 
57    public class DefaultImageStreamer<P> extends AbstractImageStreamer<P> {
58   
 
59  13 toggle @Override
60    public void serveImage(ImageGenerator<ParameterProvider<P>> generator, ParameterProvider<P> params, ImageResponse imageResponse) throws ImagingException, IOException {
61  13 final BufferedImage img = generator.generate(params);
62   
63  13 final OutputFormat outputFormat = generator.getOutputFormat(params);
64  13 imageResponse.setMediaType(getMediaType(outputFormat));
65   
66    // if source is transparent and format doesn't support transparency, we have to do some handy work
67  13 final BufferedImage fixedImg = ImageUtil.flattenTransparentImageForOpaqueFormat(img, outputFormat);
68   
69  13 write(fixedImg, imageResponse.getOutputStream(), outputFormat);
70    }
71   
 
72  47 toggle protected void write(final BufferedImage img, final OutputStream out, final OutputFormat outputFormat) throws IOException {
73    // this is factored out of ImageIO.write() to allow customization of the ImageWriteParam
74  47 final ImageOutputStream imgOut = ImageIO.createImageOutputStream(out);
75  47 final ImageTypeSpecifier imgType = ImageTypeSpecifier.createFromRenderedImage(img);
76  47 final Iterator<ImageWriter> iter = ImageIO.getImageWriters(imgType, outputFormat.getFormatName());
77  47 if (!iter.hasNext()) {
78  0 throw new IllegalStateException("Can't find ImageWriter for " + outputFormat.getFormatName());
79    }
80  47 final ImageWriter imageWriter = iter.next();
81  47 final ImageWriteParam params = imageWriter.getDefaultWriteParam();
82   
83  47 outputFormat.applyTo(params);
84  47 imageWriter.setOutput(imgOut);
85   
86  47 imageWriter.write(null, new IIOImage(img, null, null), params);
87  47 imageWriter.dispose();
88  47 imgOut.flush();
89  47 imgOut.close();
90    }
91   
92    }
  • Report generated by Atlassian Clover v 4.0.4 on Tue Jul 16 2019 23:34:12 EEST using coverage data from Tue Jul 16 2019 23:33:47 EEST.
  • Clover: Open Source License registered to Magnolia CMS.