third_party/WebKit/public/platform/WebSize.h

   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/geometry/size.h>
  42 #include <ui/gfx/geometry/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 IntSize& s)
  67         : width(s.width())
  68         , height(s.height())
  69     {
  70     }
  71
  72     WebSize& operator=(const IntSize& s)
  73     {
  74         width = s.width();
  75         height = s.height();
  76         return *this;
  77     }
  78
  79     operator IntSize() const
  80     {
  81         return 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