| /* |
| * Copyright (C) 2003, 2006 Apple Computer, Inc. All rights reserved. |
| * Copyright (C) 2005 Nokia. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "sky/engine/platform/geometry/FloatSize.h" |
| |
| #include <math.h> |
| #include <limits> |
| #include "sky/engine/platform/FloatConversion.h" |
| #include "sky/engine/platform/geometry/IntSize.h" |
| #include "sky/engine/platform/geometry/LayoutSize.h" |
| |
| namespace blink { |
| |
| FloatSize::FloatSize(const LayoutSize& size) |
| : m_width(size.width().toFloat()) |
| , m_height(size.height().toFloat()) |
| { |
| } |
| |
| float FloatSize::diagonalLength() const |
| { |
| return sqrtf(diagonalLengthSquared()); |
| } |
| |
| bool FloatSize::isZero() const |
| { |
| return fabs(m_width) < std::numeric_limits<float>::epsilon() && fabs(m_height) < std::numeric_limits<float>::epsilon(); |
| } |
| |
| bool FloatSize::isExpressibleAsIntSize() const |
| { |
| return isWithinIntRange(m_width) && isWithinIntRange(m_height); |
| } |
| |
| FloatSize FloatSize::narrowPrecision(double width, double height) |
| { |
| return FloatSize(narrowPrecisionToFloat(width), narrowPrecisionToFloat(height)); |
| } |
| |
| } |