mirror of git://gcc.gnu.org/git/gcc.git
113 lines
3.2 KiB
Java
113 lines
3.2 KiB
Java
/* AxisHints.java -- Hints specific to an axis
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.awt.font.autofit;
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class AxisHints
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{
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Segment[] segments;
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int majorDir;
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int numSegments;
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int numEdges;
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Edge[] edges;
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AxisHints()
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{
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segments = new Segment[4];
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edges = new Edge[4];
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}
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Segment newSegment()
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{
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if (numSegments >= segments.length)
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{
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// Grow array.
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int newMax = segments.length;
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newMax += (newMax >> 2) + 4; // From FreeType.
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Segment[] newSegs = new Segment[newMax];
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System.arraycopy(segments, 0, newSegs, 0, numSegments);
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segments = newSegs;
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}
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Segment seg = new Segment();
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segments[numSegments] = seg;
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numSegments++;
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return seg;
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}
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public Edge newEdge(int pos)
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{
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if (numEdges >= edges.length)
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{
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// Grow array.
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int newMax = edges.length;
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newMax += (newMax >> 2) + 4; // From FreeType.
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Edge[] newEdges = new Edge[newMax];
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System.arraycopy(edges, 0, newEdges, 0, numEdges);
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edges = newEdges;
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}
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int edgeIndex = numEdges;
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Edge edge = edges[edgeIndex] = new Edge();
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while (edgeIndex > 0 && edges[edgeIndex - 1].fpos > pos)
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{
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edges[edgeIndex] = edges[edgeIndex - 1];
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edgeIndex--;
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}
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edges[edgeIndex] = edge;
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numEdges++;
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edge.fpos = pos;
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return edge;
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}
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int getEdgeIndex(Edge edge2)
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{
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int idx = -1;
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for (int i = 0; i < numEdges; i++)
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{
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if (edges[i] == edge2)
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{
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idx = i;
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break;
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}
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}
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return idx;
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}
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}
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