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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.
 */

/* $Id: RendererContextConstants.java 679326 2008-07-24 09:35:34Z vhennebert $ */

package org.apache.fop.render;

/**
 * Defines a number of standard constants (keys) for use by the RendererContext class.
 */
public interface RendererContextConstants {

    /** The output stream that the document is being sent to. */
    String OUTPUT_STREAM = "outputStream";

    /** The current PageViewport being rendered. */
    String PAGE_VIEWPORT = "pageViewport";

    /** The target width of the image being painted. */
    String WIDTH = "width";

    /** The target height of the image being painted. */
    String HEIGHT = "height";

    /** The x position that this image is being drawn at. */
    String XPOS = "xpos";

    /** The y position that this image is being drawn at. */
    String YPOS = "ypos";

    /** The configuration for the XMLHandler. */
    String HANDLER_CONFIGURATION = "cfg";

    /**
     * An optional Map (keys: QName, values: String) with attributes containing additional hints
     * for rendering.
     */
    String FOREIGN_ATTRIBUTES = "foreign-attributes";

}