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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 INSIDE_BLINK
     37 #include "platform/geometry/FloatRect.h"
     38 #else
     39 #include <algorithm>
     40 #include <cmath>
     41 #include <ui/gfx/rect_f.h>
     42 #endif
     43 
     44 namespace blink {
     45 
     46 struct WebFloatRect {
     47     float x;
     48     float y;
     49     float width;
     50     float height;
     51 
     52     bool isEmpty() const { return width <= 0 || height <= 0; }
     53 
     54     WebFloatRect()
     55         : x(0)
     56         , y(0)
     57         , width(0)
     58         , height(0)
     59     {
     60     }
     61 
     62     WebFloatRect(float x, float y, float width, float height)
     63         : x(x)
     64         , y(y)
     65         , width(width)
     66         , height(height)
     67     {
     68     }
     69 
     70 #if INSIDE_BLINK
     71     WebFloatRect(const WebCore::FloatRect& r)
     72         : x(r.x())
     73         , y(r.y())
     74         , width(r.width())
     75         , height(r.height())
     76     {
     77     }
     78 
     79     WebFloatRect& operator=(const WebCore::FloatRect& r)
     80     {
     81         x = r.x();
     82         y = r.y();
     83         width = r.width();
     84         height = r.height();
     85         return *this;
     86     }
     87 
     88     operator WebCore::FloatRect() const
     89     {
     90         return WebCore::FloatRect(x, y, width, height);
     91     }
     92 #else
     93     WebFloatRect(const gfx::RectF& r)
     94         : x(r.x())
     95         , y(r.y())
     96         , width(r.width())
     97         , height(r.height())
     98     {
     99     }
    100 
    101     WebFloatRect& operator=(const gfx::RectF& r)
    102     {
    103         x = r.x();
    104         y = r.y();
    105         width = r.width();
    106         height = r.height();
    107         return *this;
    108     }
    109 
    110     operator gfx::RectF() const
    111     {
    112         return gfx::RectF(x, y, std::max(0.0f, width), std::max(0.0f, height));
    113     }
    114 #endif
    115 };
    116 
    117 inline bool operator==(const WebFloatRect& a, const WebFloatRect& b)
    118 {
    119     return a.x == b.x && a.y == b.y && a.width == b.width && a.height == b.height;
    120 }
    121 
    122 inline bool operator!=(const WebFloatRect& a, const WebFloatRect& b)
    123 {
    124     return !(a == b);
    125 }
    126 
    127 } // namespace blink
    128 
    129 #endif
    130