| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.render.ps; |
| |
| import java.io.IOException; |
| |
| import org.apache.xmlgraphics.ps.DSCConstants; |
| import org.apache.xmlgraphics.ps.PSGenerator; |
| import org.apache.xmlgraphics.ps.PSProcSet; |
| |
| /** |
| * Proc Set with FOP-specific procs. |
| */ |
| public final class FOPProcSet extends PSProcSet { |
| |
| /** Singleton instance of the FOP procset */ |
| public static final FOPProcSet INSTANCE = new FOPProcSet(); |
| |
| private FOPProcSet() { |
| super("Apache FOP Std ProcSet", 1.0f, 0); |
| } |
| |
| /** |
| * Writes the procset to the PostScript file. |
| * @param gen the PS generator |
| * @throws IOException if an I/O error occurs |
| */ |
| public void writeTo(PSGenerator gen) throws IOException { |
| gen.writeDSCComment(DSCConstants.BEGIN_RESOURCE, |
| new Object[] {TYPE_PROCSET, getName(), |
| Float.toString(getVersion()), Integer.toString(getRevision())}); |
| gen.writeDSCComment(DSCConstants.VERSION, |
| new Object[] {Float.toString(getVersion()), Integer.toString(getRevision())}); |
| gen.writeDSCComment(DSCConstants.COPYRIGHT, "Copyright 2009 " |
| + "The Apache Software Foundation. " |
| + "License terms: http://www.apache.org/licenses/LICENSE-2.0"); |
| gen.writeDSCComment(DSCConstants.TITLE, |
| "Basic set of procedures used by Apache FOP"); |
| |
| |
| gen.writeln("/TJ { % Similar but not equal to PDF's TJ operator"); |
| gen.writeln(" {"); |
| gen.writeln(" dup type /stringtype eq"); |
| gen.writeln(" { show }"); //normal text show |
| gen.writeln(" { neg 1000 div 0 rmoveto }"); //negative X movement |
| gen.writeln(" ifelse"); |
| gen.writeln(" } forall"); |
| gen.writeln("} bd"); |
| |
| gen.writeln("/ATJ { % As TJ but adds letter-spacing"); |
| gen.writeln(" /ATJls exch def"); |
| gen.writeln(" {"); |
| gen.writeln(" dup type /stringtype eq"); |
| gen.writeln(" { ATJls 0 3 2 roll ashow }"); //normal text show |
| gen.writeln(" { neg 1000 div 0 rmoveto }"); //negative X movement |
| gen.writeln(" ifelse"); |
| gen.writeln(" } forall"); |
| gen.writeln("} bd"); |
| |
| gen.writeDSCComment(DSCConstants.END_RESOURCE); |
| gen.getResourceTracker().registerSuppliedResource(this); |
| } |
| |
| } |