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1 /* | 1 /* |
2 * Copyright (C) 2003, 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2003, 2006 Apple Computer, Inc. All rights reserved. |
3 * Copyright (C) 2005 Nokia. All rights reserved. | 3 * Copyright (C) 2005 Nokia. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * | 13 * |
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 */ | 25 */ |
26 | 26 |
27 #include "platform/geometry/FloatSize.h" | 27 #include "platform/geometry/FloatSize.h" |
28 | 28 |
29 #include "platform/FloatConversion.h" | |
30 #include "platform/geometry/IntSize.h" | 29 #include "platform/geometry/IntSize.h" |
31 #include "platform/geometry/LayoutSize.h" | 30 #include "platform/geometry/LayoutSize.h" |
| 31 #include "wtf/MathExtras.h" |
32 #include "wtf/text/WTFString.h" | 32 #include "wtf/text/WTFString.h" |
33 #include <limits> | 33 #include <limits> |
34 #include <math.h> | 34 #include <math.h> |
35 | 35 |
36 namespace blink { | 36 namespace blink { |
37 | 37 |
38 FloatSize::FloatSize(const LayoutSize& size) | 38 FloatSize::FloatSize(const LayoutSize& size) |
39 : m_width(size.width().toFloat()) | 39 : m_width(size.width().toFloat()) |
40 , m_height(size.height().toFloat()) | 40 , m_height(size.height().toFloat()) |
41 { | 41 { |
42 } | 42 } |
43 | 43 |
44 float FloatSize::diagonalLength() const | 44 float FloatSize::diagonalLength() const |
45 { | 45 { |
46 return hypotf(m_width, m_height); | 46 return hypotf(m_width, m_height); |
47 } | 47 } |
48 | 48 |
49 bool FloatSize::isZero() const | 49 bool FloatSize::isZero() const |
50 { | 50 { |
51 return fabs(m_width) < std::numeric_limits<float>::epsilon() && fabs(m_heigh
t) < std::numeric_limits<float>::epsilon(); | 51 return fabs(m_width) < std::numeric_limits<float>::epsilon() && fabs(m_heigh
t) < std::numeric_limits<float>::epsilon(); |
52 } | 52 } |
53 | 53 |
54 bool FloatSize::isExpressibleAsIntSize() const | 54 bool FloatSize::isExpressibleAsIntSize() const |
55 { | 55 { |
56 return isWithinIntRange(m_width) && isWithinIntRange(m_height); | 56 return isWithinIntRange(m_width) && isWithinIntRange(m_height); |
57 } | 57 } |
58 | 58 |
59 FloatSize FloatSize::narrowPrecision(double width, double height) | 59 FloatSize FloatSize::narrowPrecision(double width, double height) |
60 { | 60 { |
61 return FloatSize(narrowPrecisionToFloat(width), narrowPrecisionToFloat(heigh
t)); | 61 return FloatSize(clampTo<float>(width), clampTo<float>(height)); |
62 } | 62 } |
63 | 63 |
64 String FloatSize::toString() const | 64 String FloatSize::toString() const |
65 { | 65 { |
66 return String::format("%lgx%lg", width(), height()); | 66 return String::format("%lgx%lg", width(), height()); |
67 } | 67 } |
68 | 68 |
69 } // namespace blink | 69 } // namespace blink |
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