# Type6ShadingPaint.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.Color;
    import java.awt.PaintContext;
    import java.awt.Rectangle;
    import java.awt.RenderingHints;
    import java.awt.geom.AffineTransform;
    import java.awt.geom.Rectangle2D;
    import java.awt.image.ColorModel;
    import java.io.IOException;
    import org.apache.commons.logging.Log;
    import org.apache.commons.logging.LogFactory;
    import org.apache.pdfbox.util.Matrix;

    /**
     * AWT Paint for coons patch meshes (Type 6) shading. This was done as part of
     * GSoC2014, Tilman Hausherr is the mentor.
     *
     * @author Shaola Ren
     */
    class Type6ShadingPaint extends ShadingPaint<PDShadingType6>
    {
        private static final Log LOG = LogFactory.getLog(Type6ShadingPaint.class);

        /**
         * Constructor.
         *
         * @param shading the shading resources
         * @param matrix the pattern matrix concatenated with that of the parent content stream
         */
        Type6ShadingPaint(PDShadingType6 shading, Matrix matrix)
        {
            super(shading, matrix);
        }

        @Override
        public int getTransparency()
        {
            return 0;
        }

        @Override
        public PaintContext createContext(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds,
                AffineTransform xform, RenderingHints hints)
        {
            try
            {
                return new Type6ShadingContext(shading, cm, xform, matrix, deviceBounds);
            }
            catch (IOException e)
            {
                LOG.error("An error occurred while painting", e);
                return new Color(0, 0, 0, 0).createContext(cm, deviceBounds, userBounds, xform, hints);
            }
        }
    }