/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Batik" and "Apache Software Foundation" must not be
used to endorse or promote products derived from this software without
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apache@apache.org.
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
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Apache Software Foundation, please see <http://www.apache.org/>.
*/
package jogamp.graph.font.typecast.ot.table;
import java.io.DataInput;
import java.io.IOException;
import java.util.ArrayList;
/**
* Glyph description for composite glyphs. Composite glyphs are made up of one
* or more simple glyphs, usually with some sort of transformation applied to
* each.
*
* @version $Id: GlyfCompositeDescript.java,v 1.5 2007-01-25 08:43:18 davidsch Exp $
* @author <a href="mailto:davidsch@dev.java.net">David Schweinsberg</a>
*/
public class GlyfCompositeDescript extends GlyfDescript {
private final ArrayList<GlyfCompositeComp> _components =
new ArrayList<GlyfCompositeComp>();
public GlyfCompositeDescript(
final GlyfTable parentTable,
final int glyphIndex,
final DataInput di) throws IOException {
super(parentTable, glyphIndex, (short) -1, di);
// Get all of the composite components
GlyfCompositeComp comp;
int firstIndex = 0;
int firstContour = 0;
try {
do {
_components.add(comp = new GlyfCompositeComp(firstIndex, firstContour, di));
final GlyfDescript desc = parentTable.getDescription(comp.getGlyphIndex());
if (desc != null) {
firstIndex += desc.getPointCount();
firstContour += desc.getContourCount();
}
} while ((comp.getFlags() & GlyfCompositeComp.MORE_COMPONENTS) != 0);
// Are there hinting intructions to read?
if ((comp.getFlags() & GlyfCompositeComp.WE_HAVE_INSTRUCTIONS) != 0) {
readInstructions(di, di.readShort());
}
} catch (final IOException e) {
throw e;
// } catch (Exception e) {
// int foo = 0;
}
}
@Override
public int getEndPtOfContours(final int i) {
final GlyfCompositeComp c = getCompositeCompEndPt(i);
if (c != null) {
final GlyphDescription gd = _parentTable.getDescription(c.getGlyphIndex());
return gd.getEndPtOfContours(i - c.getFirstContour()) + c.getFirstIndex();
}
return 0;
}
@Override
public byte getFlags(final int i) {
final GlyfCompositeComp c = getCompositeComp(i);
if (c != null) {
final GlyphDescription gd = _parentTable.getDescription(c.getGlyphIndex());
return gd.getFlags(i - c.getFirstIndex());
}
return 0;
}
@Override
public short getXCoordinate(final int i) {
final GlyfCompositeComp c = getCompositeComp(i);
if (c != null) {
final GlyphDescription gd = _parentTable.getDescription(c.getGlyphIndex());
final int n = i - c.getFirstIndex();
final int x = gd.getXCoordinate(n);
final int y = gd.getYCoordinate(n);
short x1 = (short) c.scaleX(x, y);
x1 += c.getXTranslate();
return x1;
}
return 0;
}
@Override
public short getYCoordinate(final int i) {
final GlyfCompositeComp c = getCompositeComp(i);
if (c != null) {
final GlyphDescription gd = _parentTable.getDescription(c.getGlyphIndex());
final int n = i - c.getFirstIndex();
final int x = gd.getXCoordinate(n);
final int y = gd.getYCoordinate(n);
short y1 = (short) c.scaleY(x, y);
y1 += c.getYTranslate();
return y1;
}
return 0;
}
@Override
public boolean isComposite() {
return true;
}
@Override
public int getPointCount() {
final GlyfCompositeComp c = _components.get(_components.size()-1);
final GlyphDescription gd = _parentTable.getDescription(c.getGlyphIndex());
if (gd != null) {
return c.getFirstIndex() + gd.getPointCount();
} else {
return 0;
}
}
@Override
public int getContourCount() {
final GlyfCompositeComp c = _components.get(_components.size()-1);
final GlyfDescript d = _parentTable.getDescription(c.getGlyphIndex());
return c.getFirstContour() + ( null != d ? d.getContourCount() : 0 );
}
public int getComponentIndex(final int i) {
return _components.get(i).getFirstIndex();
}
public int getComponentCount() {
return _components.size();
}
public GlyfCompositeComp getComponent(final int i) {
return _components.get(i);
}
protected GlyfCompositeComp getCompositeComp(final int i) {
GlyfCompositeComp c;
for (int n = 0; n < _components.size(); n++) {
c = _components.get(n);
final GlyphDescription gd = _parentTable.getDescription(c.getGlyphIndex());
if (c.getFirstIndex() <= i && i < (c.getFirstIndex() + gd.getPointCount())) {
return c;
}
}
return null;
}
protected GlyfCompositeComp getCompositeCompEndPt(final int i) {
GlyfCompositeComp c;
for (int j = 0; j < _components.size(); j++) {
c = _components.get(j);
final GlyphDescription gd = _parentTable.getDescription(c.getGlyphIndex());
if (c.getFirstContour() <= i && i < (c.getFirstContour() + gd.getContourCount())) {
return c;
}
}
return null;
}
}