| /* |
| * 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.svg.text; |
| |
| import java.awt.font.FontRenderContext; |
| import java.awt.geom.Point2D; |
| import java.text.AttributedCharacterIterator; |
| |
| import org.apache.batik.bridge.GlyphLayout; |
| import org.apache.batik.gvt.font.GVTFont; |
| import org.apache.batik.gvt.font.GVTGlyphVector; |
| import org.apache.batik.gvt.text.GVTAttributedCharacterIterator; |
| |
| import org.apache.fop.fonts.Font; |
| import org.apache.fop.svg.font.FOPGVTFont; |
| |
| public class ComplexGlyphLayout extends GlyphLayout { |
| |
| public ComplexGlyphLayout(AttributedCharacterIterator aci, |
| int [] charMap, Point2D offset, FontRenderContext frc) { |
| super(aci, charMap, offset, frc); |
| } |
| |
| @Override |
| protected void doExplicitGlyphLayout() { |
| GVTGlyphVector gv = this.gv; |
| gv.performDefaultLayout(); |
| int ng = gv.getNumGlyphs(); |
| if (ng > 0) { |
| this.advance = gv.getGlyphPosition(ng); |
| } else { |
| this.advance = new Point2D.Float(0, 0); |
| } |
| this.layoutApplied = true; |
| } |
| |
| public static final boolean mayRequireComplexLayout(AttributedCharacterIterator aci) { |
| boolean rv = false; |
| GVTAttributedCharacterIterator.TextAttribute attrFont = GVTAttributedCharacterIterator.TextAttribute.GVT_FONT; |
| int indexSave = aci.getIndex(); |
| aci.first(); |
| do { |
| GVTFont gvtFont = (GVTFont) aci.getAttribute(attrFont); |
| if (gvtFont == null) { |
| continue; |
| } else { |
| if (gvtFont instanceof FOPGVTFont) { |
| Font f = ((FOPGVTFont) gvtFont).getFont(); |
| if (f.performsSubstitution() || f.performsPositioning()) { |
| rv = true; |
| break; |
| } |
| } |
| aci.setIndex(aci.getRunLimit(attrFont)); |
| } |
| } while (aci.next() != AttributedCharacterIterator.DONE); |
| aci.setIndex(indexSave); |
| return rv; |
| } |
| |
| } |