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      1 /*
      2  * Copyright (C) 2009 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 WebSize_h
     32 #define WebSize_h
     33 
     34 #include "WebCommon.h"
     35 
     36 #if INSIDE_BLINK
     37 #include "platform/geometry/IntSize.h"
     38 #else
     39 #include <algorithm>
     40 #include <cmath>
     41 #include <ui/gfx/size.h>
     42 #include <ui/gfx/vector2d.h>
     43 #endif
     44 
     45 namespace blink {
     46 
     47 struct WebSize {
     48     int width;
     49     int height;
     50 
     51     bool isEmpty() const { return width <= 0 || height <= 0; }
     52 
     53     WebSize()
     54         : width(0)
     55         , height(0)
     56     {
     57     }
     58 
     59     WebSize(int width, int height)
     60         : width(width)
     61         , height(height)
     62     {
     63     }
     64 
     65 #if INSIDE_BLINK
     66     WebSize(const WebCore::IntSize& s)
     67         : width(s.width())
     68         , height(s.height())
     69     {
     70     }
     71 
     72     WebSize& operator=(const WebCore::IntSize& s)
     73     {
     74         width = s.width();
     75         height = s.height();
     76         return *this;
     77     }
     78 
     79     operator WebCore::IntSize() const
     80     {
     81         return WebCore::IntSize(width, height);
     82     }
     83 #else
     84     WebSize(const gfx::Size& s)
     85         : width(s.width())
     86         , height(s.height())
     87     {
     88     }
     89 
     90     WebSize(const gfx::Vector2d& v)
     91         : width(v.x())
     92         , height(v.y())
     93     {
     94     }
     95 
     96     WebSize& operator=(const gfx::Size& s)
     97     {
     98         width = s.width();
     99         height = s.height();
    100         return *this;
    101     }
    102 
    103     WebSize& operator=(const gfx::Vector2d& v)
    104     {
    105         width = v.x();
    106         height = v.y();
    107         return *this;
    108     }
    109 
    110     operator gfx::Size() const
    111     {
    112         return gfx::Size(std::max(0, width), std::max(0, height));
    113     }
    114 
    115     operator gfx::Vector2d() const
    116     {
    117         return gfx::Vector2d(width, height);
    118     }
    119 #endif
    120 };
    121 
    122 inline bool operator==(const WebSize& a, const WebSize& b)
    123 {
    124     return a.width == b.width && a.height == b.height;
    125 }
    126 
    127 inline bool operator!=(const WebSize& a, const WebSize& b)
    128 {
    129     return !(a == b);
    130 }
    131 
    132 } // namespace blink
    133 
    134 #endif
    135