# Type7ShadingContext.java

    /*
     * Copyright 2014 The Apache Software Foundation.
     *
     * Licensed 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.
     */
    package org.apache.pdfbox.pdmodel.graphics.shading;

    import java.awt.Rectangle;
    import java.awt.geom.AffineTransform;
    import java.awt.image.ColorModel;
    import java.io.IOException;
    import org.apache.pdfbox.util.Matrix;

    /**
     * AWT PaintContext for tensor-product patch meshes (type 7) shading. This was
     * done as part of GSoC2014, Tilman Hausherr is the mentor.
     *
     * @author Shaola Ren
     */
    class Type7ShadingContext extends PatchMeshesShadingContext
    {
        /**
         * Constructor creates an instance to be used for fill operations.
         *
         * @param shading the shading type to be used
         * @param colorModel the color model to be used
         * @param xform transformation for user to device space
         * @param matrix the pattern matrix concatenated with that of the parent content stream
         * @param deviceBounds device bounds
         * @throws IOException if something went wrong
         */
        Type7ShadingContext(PDShadingType7 shading, ColorModel colorModel, AffineTransform xform,
                                   Matrix matrix, Rectangle deviceBounds) throws IOException
        {
            super(shading, colorModel, xform, matrix, deviceBounds, 16);
        }
    }