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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.
- */
-
- /* $Id$ */
-
- 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(" {");
- gen.writeln(" dup type /arraytype eq");
- gen.writeln(" { aload pop neg 1000 div exch 1000 div rmoveto }");
- gen.writeln(" { neg 1000 div 0 rmoveto }");
- gen.writeln(" ifelse");
- gen.writeln(" }");
- 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);
- }
-
- }
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