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del: support for Jimi image processing library

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This commit is contained in:
Tobi Schäfer 2016-12-04 15:59:29 +01:00
parent dd822d4e24
commit 6e196e857f
4 changed files with 1 additions and 163 deletions
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4
build.xml
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@ -393,7 +393,6 @@
<tarfileset prefix="${filename}" dir="${build.work}">
<include name="**"/>
<exclude name="start.sh"/>
<exclude name="lib/jimi.jar"/>
<exclude name="lib/apache-dom.jar"/>
<exclude name="docs/api/**"/>
</tarfileset>
@ -414,7 +413,6 @@
<zipfileset dir="${build.work}" prefix="${filename}">
<include name="**"/>
<exclude name="start.sh"/>
<exclude name="lib/jimi.jar"/>
<exclude name="lib/apache-dom.jar"/>
<exclude name="docs/api/**"/>
</zipfileset>
@ -436,7 +434,6 @@
<include name="docs/**"/>
<include name="licenses/**"/>
<include name="license.txt"/>
<include name="lib/jimi.jar"/>
<include name="lib/apache-dom.jar"/>
<exclude name="docs/modules/**"/>
</tarfileset>
@ -460,7 +457,6 @@
<include name="docs/**"/>
<include name="licenses/**"/>
<include name="license.txt"/>
<include name="lib/jimi.jar"/>
<include name="lib/apache-dom.jar"/>
<exclude name="docs/modules/**"/>
</zipfileset>

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lib/jimi.jar
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9
src/helma/image/ImageGenerator.java
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@ -61,14 +61,7 @@ public abstract class ImageGenerator {
// if we're still here, ImageIOWrapper can be used
className = "helma.image.imageio.ImageIOGenerator";
} catch (ClassNotFoundException e1) {
try {
// use Jimi as a fallback scenaio
Class.forName("com.sun.jimi.core.Jimi");
// if we're still here, JimiWrapper can be used
className = "helma.image.jimi.JimiGenerator";
} catch (ClassNotFoundException e2) {
throw new RuntimeException("JimiGenerator canot be used. Please make sure you placed jimi.jar in helma/lib/ext");
}
throw new RuntimeException("ImageIOGenerator cannot be used. Please use a custom image processing library for Java and set the imageGenerator property accordingly.");
}
}
// now let's get the generator class and create an instance:

151
src/helma/image/jimi/JimiGenerator.java
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@ -1,151 +0,0 @@
/*
/*
* Helma License Notice
*
* The contents of this file are subject to the Helma License
* Version 2.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://adele.helma.org/download/helma/license.txt
*
* Copyright 1998-2003 Helma Software. All Rights Reserved.
*
* $RCSfile$
* $Author$
* $Revision$
* $Date$
*/
package helma.image.jimi;
import helma.image.*;
import java.io.*;
import com.sun.jimi.core.*;
import com.sun.jimi.core.encoder.jpg.JPGEncoder;
import com.sun.jimi.core.encoder.png.PNGEncoder;
import com.sun.jimi.core.options.JPGOptions;
import com.sun.jimi.core.options.PNGOptions;
public class JimiGenerator extends ImageGenerator {
/**
* Internal function for writing images.
*
* @param wrapper ...
* @param type either a file extension or a mimetype with stripped image/ or image/x-
* @param quality ...
* @param alpha ...
* @throws IOException
* @see helma.image.ImageGenerator#write(helma.image.ImageWrapper, java.lang.String, float, boolean)
*/
protected boolean write(ImageWrapper wrapper, String type, OutputStream out, float quality, boolean alpha) throws IOException {
try {
if ("gif".equals(type)) {
// sun's jimi package doesn't encode gifs, use helma's encoder instead
DataOutputStream dataOut = new DataOutputStream(out);
GIFEncoder encoder = new GIFEncoder();
encoder.encode(wrapper.getBufferedImage(), dataOut);
} else {
// let's not rely on Jimi's file-extension detecting mechanisms,
// as these do not seem to specify file type depending options
// afterwars. Instead, the file ending is checked here:
JimiImage source = Jimi.createRasterImage(wrapper.getSource());
JimiEncoder encoder = null;
if ("jpg".equals(type) || "jpeg".equals(type)) {
// JPEG
encoder = new JPGEncoder();
// the quality value does mean something here and can be specified:
if (quality >= 0.0 && quality <= 1.0) {
JPGOptions options = new JPGOptions();
options.setQuality(Math.round(quality * 100));
source.setOptions(options);
}
} else if ("png".equals(type)) {
// PNG
encoder = new PNGEncoder();
// the alpha parameter does mean something here:
((PNGEncoder) encoder).setAlpha(new Boolean(alpha));
PNGOptions options = new PNGOptions();
// TODO: Use quality for CompressionType control, similar to ImageIOWrapper (?)
options.setCompressionType(PNGOptions.COMPRESSION_MAX);
source.setOptions(options);
}
// if no encoder was found, return false. let jimi handle this in the functions bellow
if (encoder == null) return false;
encoder.encodeImages(new JimiImageEnumeration(source), out);
}
return true;
} catch (JimiException e) {
throw new IOException(e.getMessage());
}
}
/**
* Saves the image. Image format is deduced from filename.
*
* @param wrapper ...
* @param filename ...
* @param quality ...
* @param alpha ...
* @throws IOException
* @see helma.image.ImageGenerator#write(helma.image.ImageWrapper, java.lang.String, float, boolean)
*/
public void write(ImageWrapper wrapper, String filename, float quality, boolean alpha) throws IOException {
// determine the type from the file extension
int pos = filename.lastIndexOf('.');
if (pos != -1) {
String extension = filename.substring(pos + 1, filename.length()).toLowerCase();
FileOutputStream out = new FileOutputStream(filename);
boolean written = false;
try {
written = this.write(wrapper, extension, out, quality, alpha);
} finally {
out.close();
}
// if nothing worked, fall back to the Jimi mechanisms and see wether something comes out
if (!written) {
try {
Jimi.putImage(wrapper.getImage(), filename);
} catch (JimiException e) {
throw new IOException(e.getMessage());
}
}
}
}
/**
* Saves the image. Image format is deduced from filename.
*
* @param wrapper ...
* @param out ...
* @param mimeType ...
* @param quality ...
* @param alpha ...
* @throws IOException
* @see helma.image.ImageGenerator#write(helma.image.ImageWrapper, java.io.OutputStream, java.lang.String, float, boolean)
*/
public void write(ImageWrapper wrapper, OutputStream out, String mimeType, float quality, boolean alpha) throws IOException {
// determine the type from the mime type by taking away image/ and image/x-
if (mimeType.startsWith("image/")) {
String type = mimeType.substring(6);
if (type.startsWith("x-"))
type = type.substring(2);
boolean written = false;
try {
written = this.write(wrapper, type, out, quality, alpha);
} finally {
out.close();
}
// if nothing worked, fall back to the Jimi mechanisms and see wether something comes out
if (!written) {
try {
Jimi.putImage(mimeType, wrapper.getImage(), out);
} catch (JimiException e) {
throw new IOException(e.getMessage());
}
}
}
}
}