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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebFloatRect_h
     32 #define WebFloatRect_h
     33 
     34 #include "WebCommon.h"
     35 
     36 #if WEBKIT_IMPLEMENTATION
     37 #include "FloatRect.h"
     38 #endif
     39 
     40 namespace WebKit {
     41 
     42 struct WebFloatRect {
     43     float x;
     44     float y;
     45     float width;
     46     float height;
     47 
     48     bool isEmpty() const { return width <= 0 || height <= 0; }
     49 
     50     WebFloatRect()
     51         : x(0.0f)
     52         , y(0.0f)
     53         , width(0.0f)
     54         , height(0.0f)
     55     {
     56     }
     57 
     58     WebFloatRect(float x, float y, float width, float height)
     59         : x(x)
     60         , y(y)
     61         , width(width)
     62         , height(height)
     63     {
     64     }
     65 
     66 #if WEBKIT_IMPLEMENTATION
     67     WebFloatRect(const WebCore::FloatRect& r)
     68         : x(r.x())
     69         , y(r.y())
     70         , width(r.width())
     71         , height(r.height())
     72     {
     73     }
     74 
     75     WebFloatRect& operator=(const WebCore::FloatRect& r)
     76     {
     77         x = r.x();
     78         y = r.y();
     79         width = r.width();
     80         height = r.height();
     81         return *this;
     82     }
     83 
     84     operator WebCore::FloatRect() const
     85     {
     86         return WebCore::FloatRect(x, y, width, height);
     87     }
     88 #endif
     89 };
     90 
     91 inline bool operator==(const WebFloatRect& a, const WebFloatRect& b)
     92 {
     93     return a.x == b.x && a.y == b.y && a.width == b.width && a.height == b.height;
     94 }
     95 
     96 inline bool operator!=(const WebFloatRect& a, const WebFloatRect& b)
     97 {
     98     return !(a == b);
     99 }
    100 
    101 } // namespace WebKit
    102 
    103 #endif
    104