@@ -0,0 +1,3168 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements.  See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache License, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License.  You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0A/* $Id$ */%0A%0Apackage org.apache.fop.render.ps;%0A%0Aimport java.util.List;%0A%0Aimport org.apache.fop.render.gradient.Function;%0Aimport org.apache.fop.render.gradient.Function.SubFunctionRenderer;%0Aimport org.apache.fop.render.gradient.GradientMaker.DoubleFormatter;%0Aimport org.apache.fop.render.gradient.Pattern;%0Aimport org.apache.fop.render.gradient.Shading;%0A%0A/**%0A * Helper class to draw gradients in PostScript.%0A */%0Apublic final class Gradient %7B%0A%0A    private Gradient() %7B %7D%0A%0A    public static String outputPattern(Pattern pattern, DoubleFormatter doubleFormatter) %7B%0A        StringBuilder p = new StringBuilder(64);%0A        p.append(%22/Pattern setcolorspace%5Cn%22);%0A        p.append(%22%3C%3C %5Cn/Type /Pattern %5Cn%22);%0A%0A        p.append(%22/PatternType %22 + pattern.getPatternType() + %22 %5Cn%22);%0A%0A        if (pattern.getShading() != null) %7B%0A            p.append(%22/Shading %22);%0A            outputShading(p, pattern.getShading(), doubleFormatter);%0A            p.append(%22 %5Cn%22);%0A        %7D%0A        p.append(%22%3E%3E %5Cn%22);%0A        List%3CDouble%3E matrix = pattern.getMatrix();%0A        if (matrix == null) %7B%0A            p.append(%22matrix %22);%0A        %7D else %7B%0A            p.append(%22%5B %22);%0A            for (double m : pattern.getMatrix()) %7B%0A                p.append(doubleFormatter.formatDouble(m));%0A                p.append(%22 %22);%0A            %7D%0A            p.append(%22%5D %22);%0A        %7D%0A        p.append(%22makepattern setcolor%5Cn%22);%0A%0A        return p.toString();%0A    %7D%0A%0A    private static void outputShading(StringBuilder out, Shading shading, final DoubleFormatter doubleFormatter) %7B%0A        final Function function = shading.getFunction();%0A        Shading.FunctionRenderer functionRenderer = new Shading.FunctionRenderer() %7B%0A%0A            public void outputFunction(StringBuilder out) %7B%0A                SubFunctionRenderer subFunctionRenderer = new Function.SubFunctionRenderer() %7B%0A%0A                    public void outputFunction(StringBuilder out, int functionIndex) %7B%0A                        Function subFunction = function.getFunctions().get(functionIndex);%0A                        assert subFunction.getFunctions().isEmpty();%0A                        subFunction.output(out, doubleFormatter, null);%0A                    %7D%0A                %7D;%0A                function.output(out, doubleFormatter, subFunctionRenderer);%0A            %7D%0A        %7D;%0A        shading.output(out, doubleFormatter, functionRenderer);%0A    %7D%0A%0A%7D%0A

Support PDF shading to PS