1 files changed, 291 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/awt/font/opentype/truetype/Zone.java b/libjava/classpath/gnu/java/awt/font/opentype/truetype/Zone.java
new file mode 100644
index 000000000..b0559e0e3
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+++ b/libjava/classpath/gnu/java/awt/font/opentype/truetype/Zone.java
@@ -0,0 +1,291 @@
+/* Zone.java -- A collection of points with some additional information.
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.awt.font.opentype.truetype;
+
+import gnu.java.awt.font.FontDelegate;
+
+import java.awt.geom.AffineTransform;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.PathIterator;
+
+
+/**
+ * A collection of points with some additional information.
+ */
+public final class Zone
+{
+  private Point[] points;
+  private int numPoints;
+
+  public double scaleX, scaleY, shearX, shearY;
+
+  public Zone(int maxNumPoints)
+  {
+    points = new Point[maxNumPoints];
+  }
+
+  public int getCapacity()
+  {
+    return points.length;
+  }
+
+
+  public int getSize()
+  {
+    return numPoints;
+  }
+
+
+  public int getX(int point)
+  {
+    return getX(point, FontDelegate.FLAG_FITTED);
+  }
+
+  public int getX(int point, int flags)
+  {
+    int x;
+    if ((flags & FontDelegate.FLAG_FITTED) != 0)
+      x = points[point].x;
+    else
+      x = points[point].scaledX;
+    return x;
+  }
+
+
+  public void setX(int point, int value, boolean touch)
+  {
+    points[point].scaledX = value;
+    points[point].x = value;
+    if (touch)
+      points[point].flags |= Point.FLAG_TOUCHED_X;
+  }
+
+
+  public void setY(int point, int value, boolean touch)
+  {
+    points[point].scaledY = value;
+    points[point].y = value;
+    if (touch)
+      points[point].flags |= Point.FLAG_TOUCHED_Y;
+  }
+
+  public int getY(int point)
+  {
+    return getY(point, FontDelegate.FLAG_FITTED);
+  }
+
+  public int getY(int point, int flags)
+  {
+    int y;
+    if ((flags & FontDelegate.FLAG_FITTED) != 0)
+      y = points[point].y;
+    else
+      y = points[point].scaledY;
+    return y;
+  }
+
+
+  public int getOriginalX(int point)
+  {
+    return points[point].origX;
+  }
+
+
+  public int getOriginalY(int point)
+  {
+    return points[point].origY;
+  }
+
+
+  public void setOriginalX(int point, int x)
+  {
+    points[point].origX = x;
+  }
+
+  public void setOriginalY(int point, int y)
+  {
+    points[point].origY = y;
+  }
+
+  public void setNumPoints(int numPoints)
+  {
+    for (int i = 0; i < numPoints; i++)
+      points[i] = new Point();
+    this.numPoints = numPoints;
+  }
+
+
+  public boolean isOnCurve(int point)
+  {
+    return (points[point].flags & Point.FLAG_ON_CURVE) != 0;
+  }
+
+
+  public void setOnCurve(int point, boolean onCurve)
+  {
+    if (onCurve)
+      points[point].flags |= Point.FLAG_ON_CURVE;
+    else
+      points[point].flags &= ~Point.FLAG_ON_CURVE;
+  }
+
+
+  public boolean isContourEnd(int point)
+  {
+    return (points[point].flags & Point.FLAG_CONTOUR_END) != 0;
+  }
+
+
+  public void setContourEnd(int point, boolean segEnd)
+  {
+    if (segEnd)
+      points[point].flags |= Point.FLAG_CONTOUR_END;
+    else
+      points[point].flags &= ~Point.FLAG_CONTOUR_END;
+  }
+
+
+
+
+  void transform(double pointSize, AffineTransform deviceTransform,
+                 int unitsPerEm, int preTranslateX, int preTranslateY)
+  {
+    double factor;
+
+    factor = pointSize / (double) unitsPerEm;
+    scaleX = deviceTransform.getScaleX() * factor;
+    scaleY = deviceTransform.getScaleY() * factor;
+    shearX = deviceTransform.getShearX() * factor;
+    shearY = deviceTransform.getShearY() * factor;
+
+    for (int i = 0; i < numPoints; i++)
+    {
+      int x = points[i].origX + preTranslateX;
+      int y = points[i].origY + preTranslateY;
+
+      points[i].scaledX = points[i].x = Fixed.valueOf(scaleX * x
+                                                      + shearX * y);
+      points[i].scaledY = points[i].y = Fixed.valueOf(shearY * x
+                                                      + scaleY * y);
+    }
+  }
+
+
+
+  void combineWithSubGlyph(Zone zone, int numPhantomPoints)
+  {
+    int offset = this.numPoints - numPhantomPoints;
+    int count = zone.numPoints;
+    System.arraycopy(zone.points, 0, this.points, offset, count);
+    this.numPoints += count - numPhantomPoints;
+  }
+
+
+  private void dump()
+  {
+    for (int i = 0; i < numPoints; i++)
+    {
+      System.out.print(" " + i + ": ");
+      System.out.print(Fixed.toString(points[i].scaledX, points[i].scaledY));
+      System.out.print(' ');
+      System.out.print(Fixed.toString(points[i].origX, points[i].origY));
+      System.out.print(' ');
+      if (isOnCurve(i))
+        System.out.print('.');
+      else
+        System.out.print('c');
+      if (isContourEnd(i))
+        System.out.print('E');
+      System.out.println();
+      if (isContourEnd(i))
+        System.out.println();
+    }
+  }
+
+
+  public PathIterator getPathIterator(int type)
+  {
+    return new ZonePathIterator(this, type);
+  }
+
+
+  public GeneralPath getPath(int type)
+  {
+    GeneralPath p = new GeneralPath(GeneralPath.WIND_NON_ZERO, numPoints);
+    p.append(getPathIterator(type), /* connect */ false);
+    return p;
+  }
+
+  /**
+   * Returns the number of contours in this outline.
+   *
+   * @return the number of contours in this outline
+   */
+  public int getNumContours()
+  {
+    int num = 0;
+    for (int i = 0; i < numPoints; i++)
+      {
+        if (isContourEnd(i))
+          num++;
+      }
+    return num;
+  }
+
+  public int getContourEnd(int n)
+  {
+    int idx = -1;
+    int num = 0;
+    for (int i = 0; i < numPoints; i++)
+      {
+        if (isContourEnd(i))
+          {
+            idx = i;
+            if (num == n)
+              break;
+            num++;
+          }
+      }
+    return idx;
+  }
+
+  public Point[] getPoints()
+  {
+    return points;
+  }
+}