diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/svg/animation/SMILTime.h')
-rw-r--r-- | src/3rdparty/webkit/WebCore/svg/animation/SMILTime.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/svg/animation/SMILTime.h b/src/3rdparty/webkit/WebCore/svg/animation/SMILTime.h new file mode 100644 index 0000000..5196030 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/svg/animation/SMILTime.h @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2008 Apple Inc. 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 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 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. + */ + +#ifndef SMILTime_h +#define SMILTime_h + +#if ENABLE(SVG) + +#include <algorithm> + +namespace WebCore { + + class SMILTime { + public: + SMILTime() : m_time(0) { } + SMILTime(double time) : m_time(time) { } + SMILTime(const SMILTime& o) : m_time(o.m_time) { } + + static SMILTime unresolved() { return unresolvedValue; } + static SMILTime indefinite() { return indefiniteValue; } + + SMILTime& operator=(const SMILTime& o) { m_time = o.m_time; return *this; } + double value() const { return m_time; } + + bool isFinite() const { return m_time < indefiniteValue; } + bool isIndefinite() const { return m_time == indefiniteValue; } + bool isUnresolved() const { return m_time == unresolvedValue; } + + private: + static const double unresolvedValue; + static const double indefiniteValue; + + double m_time; + }; + + inline bool operator==(const SMILTime& a, const SMILTime& b) { return a.isFinite() && a.value() == b.value(); } + inline bool operator!=(const SMILTime& a, const SMILTime& b) { return !operator==(a, b); } + inline bool operator>(const SMILTime& a, const SMILTime& b) { return a.value() > b.value(); } + inline bool operator<(const SMILTime& a, const SMILTime& b) { return a.value() < b.value(); } + inline bool operator>=(const SMILTime& a, const SMILTime& b) { return a.value() > b.value() || operator==(a, b); } + inline bool operator<=(const SMILTime& a, const SMILTime& b) { return a.value() < b.value() || operator==(a, b); } + + inline SMILTime max(const SMILTime& a, const SMILTime& b) { return std::max(a.value(), b.value()); } + inline SMILTime min(const SMILTime& a, const SMILTime& b) { return std::min(a.value(), b.value()); } + SMILTime operator+(const SMILTime&, const SMILTime&); + SMILTime operator-(const SMILTime&, const SMILTime&); + // So multiplying times does not make too much sense but SMIL defines it for duration * repeatCount + SMILTime operator*(const SMILTime&, const SMILTime&); +} + +#endif +#endif |