/*
* 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: MockImageContext.java 924666 2010-03-18 08:26:30Z jeremias $ */
package org.apache.xmlgraphics.image.loader;
import org.apache.xmlgraphics.image.loader.impl.ImageConverterBitmap2G2D;
import org.apache.xmlgraphics.image.loader.impl.ImageConverterBuffered2Rendered;
import org.apache.xmlgraphics.image.loader.impl.ImageConverterG2D2Bitmap;
import org.apache.xmlgraphics.image.loader.impl.ImageLoaderFactoryInternalTIFF;
import org.apache.xmlgraphics.image.loader.impl.ImageLoaderFactoryRawCCITTFax;
import org.apache.xmlgraphics.image.loader.impl.PreloaderEPS;
import org.apache.xmlgraphics.image.loader.impl.PreloaderJPEG;
import org.apache.xmlgraphics.image.loader.impl.PreloaderTIFF;
import org.apache.xmlgraphics.image.loader.spi.ImageImplRegistry;
/**
* Mock implementation for testing.
*/
public class MockImageContext implements ImageContext {
private static MockImageContext instance;
private ImageManager imageManager;
/**
* Returns a singleton instance of the mock image context.
* @return the singleton
*/
public static MockImageContext getInstance() {
if (instance == null) {
instance = new MockImageContext(true);
}
return instance;
}
/**
* Returns an image context for testing that only contains platform- and classpath-independent
* implementations so consistent test results can be obtained irrespective of the test
* environment.
* @return a new image context
*/
public static MockImageContext newSafeInstance() {
MockImageContext ic = new MockImageContext(false);
ImageImplRegistry registry = ic.getImageManager().getRegistry();
registry.registerPreloader(new PreloaderTIFF());
registry.registerPreloader(new PreloaderJPEG());
registry.registerPreloader(new PreloaderEPS());
registry.registerLoaderFactory(new ImageLoaderFactoryInternalTIFF());
registry.registerLoaderFactory(new ImageLoaderFactoryRawCCITTFax());
registry.registerConverter(new ImageConverterBitmap2G2D());
registry.registerConverter(new ImageConverterG2D2Bitmap());
registry.registerConverter(new ImageConverterBuffered2Rendered());
return ic;
}
/**
* Creates a new mock image context.
* @param discover true to enable plug-in discovery
*/
public MockImageContext(boolean discover) {
this.imageManager = new ImageManager(new ImageImplRegistry(discover), this);
}
/** {@inheritDoc} */
public float getSourceResolution() {
return 72;
}
/**
* Returns the image manager.
* @return the image manager
*/
public ImageManager getImageManager() {
return this.imageManager;
}
/**
* Creates a new image session context.
* @return the image session context
*/
public ImageSessionContext newSessionContext() {
return new MockImageSessionContext(this);
}
}