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/*
* 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.
*/
/**
* @author Igor V. Stolyarov
* @version $Revision$
*/
package java.awt.image.renderable;
import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.util.Vector;
/**
* The Interface RenderableImage is implemented by an object that collects all
* of the image-specific data that defines a single image that could be rendered
* to different rendering targets.
*
* @since Android 1.0
*/
public interface RenderableImage {
/**
* The Constant HINTS_OBSERVED indicates that the rendering hints are
* applied rather than ignored.
*/
public static final String HINTS_OBSERVED = "HINTS_OBSERVED"; //$NON-NLS-1$
/**
* Gets the property from the RenderableImage's parameter block.
*
* @param name
* the name of the property to get.
* @return the value of the property.
*/
public Object getProperty(String name);
/**
* Creates the rendered image based on the information contained in the
* parameters and the render context.
*
* @param renderContext
* the render context giving rendering specifications such as
* transformations.
* @return the rendered image.
*/
public RenderedImage createRendering(RenderContext renderContext);
/**
* Creates the scaled rendered image based on the information contained in
* the parameters and the render context.
*
* @param w
* the desired width after scaling or zero if the scaling should
* be proportional, based on the height.
* @param h
* the desired height after scaling or zero if the scaling should
* be proportional, based on the width.
* @param hints
* the rendering hints to use.
* @return the rendered image.
* @throws IllegalArgumentException
* if both the height and width are zero.
*/
public RenderedImage createScaledRendering(int w, int h, RenderingHints hints);
/**
* Gets the vector of sources from the parameter block.
*
* @return the sources.
*/
public Vector<RenderableImage> getSources();
/**
* Gets the names of all of the supported properties in the current context.
*
* @return the property names.
*/
public String[] getPropertyNames();
/**
* Creates the default rendering (using the identity transform and default
* render context).
*
* @return the rendered image.
*/
public RenderedImage createDefaultRendering();
/**
* Checks if this context supports dynamic rendering.
*
* @return true, if this context supports dynamic rendering.
*/
public boolean isDynamic();
/**
* Gets the width of the image.
*
* @return the width of the image.
*/
public float getWidth();
/**
* Gets the y coordinate of the upper left corner.
*
* @return the y coordinate of the upper left corner.
*/
public float getMinY();
/**
* Gets the x coordinate of the upper left corner.
*
* @return the x coordinate of the upper left corner.
*/
public float getMinX();
/**
* Gets the height of the image.
*
* @return the height of the image.
*/
public float getHeight();
}
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