1 /*
   2  * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.webkit.graphics;
  27 
  28 public abstract class WCPath<P> extends Ref {
  29 
  30     /* The WindRule should be compliant with
  31      * WebCore/platform/graphics/Path.h
  32      */
  33 
  34     /**
  35      * The winding rule constant for specifying a non-zero rule
  36      * for determining the interior of a path.
  37      * The non-zero rule specifies that a point lies inside the
  38      * path if a ray drawn in any direction from that point to
  39      * infinity is crossed by path segments a different number
  40      * of times in the counter-clockwise direction than the
  41      * clockwise direction.
  42      */
  43     public static final int RULE_NONZERO = 0;
  44 
  45     /**
  46      * The winding rule constant for specifying an even-odd rule
  47      * for determining the interior of a path.
  48      * The even-odd rule specifies that a point lies inside the
  49      * path if a ray drawn in any direction from that point to
  50      * infinity is crossed by path segments an odd number of times.
  51      */
  52     public static final int RULE_EVENODD = 1;
  53 
  54     public abstract void addRect(double x, double y, double w, double h);
  55 
  56     public abstract void addEllipse(double x, double y, double w, double h);
  57 
  58     public abstract void addArcTo(double x1, double y1, double x2, double y2, double r);
  59 
  60     public abstract void addArc(double x, double y, double r, double startAngle,
  61                                 double endAngle, boolean aclockwise);
  62 
  63     public abstract boolean contains(int rule, double x, double y);
  64 
  65     public abstract WCRectangle getBounds();
  66 
  67     public abstract void clear();
  68 
  69     public abstract void moveTo(double x, double y);
  70 
  71     public abstract void addLineTo(double x, double y);
  72 
  73     public abstract void addQuadCurveTo(double x0, double y0, double x1, double y1);
  74 
  75     public abstract void addBezierCurveTo(double x0, double y0,
  76                                           double x1, double y1,
  77                                           double x2, double y2);
  78 
  79     public abstract void addPath(WCPath path);
  80 
  81     public abstract void closeSubpath();
  82 
  83     public abstract boolean hasCurrentPoint();
  84 
  85     public abstract boolean isEmpty();
  86 
  87     public abstract void translate(double x, double y);
  88 
  89     public abstract void transform(double mxx, double myx,
  90                                    double mxy, double myy,
  91                                    double mxt, double myt);
  92 
  93     public abstract int getWindingRule();
  94 
  95     public abstract void setWindingRule(int rule);
  96 
  97     public abstract P getPlatformPath();
  98 
  99     public abstract WCPathIterator getPathIterator();
 100 }