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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/graphics/IntSize.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/graphics/IntSize.h')
-rw-r--r-- | Source/WebCore/platform/graphics/IntSize.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/IntSize.h b/Source/WebCore/platform/graphics/IntSize.h new file mode 100644 index 0000000..9db2224 --- /dev/null +++ b/Source/WebCore/platform/graphics/IntSize.h @@ -0,0 +1,192 @@ +/* + * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, 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 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. + */ + +#ifndef IntSize_h +#define IntSize_h + +#if PLATFORM(CG) +typedef struct CGSize CGSize; +#endif + +#if PLATFORM(MAC) +#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES +typedef struct CGSize NSSize; +#else +typedef struct _NSSize NSSize; +#endif +#endif + +#if PLATFORM(WIN) +typedef struct tagSIZE SIZE; +#elif PLATFORM(QT) +#include <qglobal.h> +QT_BEGIN_NAMESPACE +class QSize; +QT_END_NAMESPACE +#elif PLATFORM(HAIKU) +class BSize; +#endif + +#if PLATFORM(WX) +class wxSize; +#endif + +#if PLATFORM(BREWMP) +typedef struct AEESize AEESize; +#endif + +namespace WebCore { + +class IntSize { +public: + IntSize() : m_width(0), m_height(0) { } + IntSize(int width, int height) : m_width(width), m_height(height) { } + + int width() const { return m_width; } + int height() const { return m_height; } + + void setWidth(int width) { m_width = width; } + void setHeight(int height) { m_height = height; } + + bool isEmpty() const { return m_width <= 0 || m_height <= 0; } + bool isZero() const { return !m_width && !m_height; } + + float aspectRatio() const { return static_cast<float>(m_width) / static_cast<float>(m_height); } + + void expand(int width, int height) + { + m_width += width; + m_height += height; + } + + void scale(float scale) + { + m_width = static_cast<int>(static_cast<float>(m_width) * scale); + m_height = static_cast<int>(static_cast<float>(m_height) * scale); + } + + IntSize expandedTo(const IntSize& other) const + { + return IntSize(m_width > other.m_width ? m_width : other.m_width, + m_height > other.m_height ? m_height : other.m_height); + } + + IntSize shrunkTo(const IntSize& other) const + { + return IntSize(m_width < other.m_width ? m_width : other.m_width, + m_height < other.m_height ? m_height : other.m_height); + } + + void clampNegativeToZero() + { + *this = expandedTo(IntSize()); + } + + IntSize transposedSize() const + { + return IntSize(m_height, m_width); + } + +#if PLATFORM(CG) + explicit IntSize(const CGSize&); // don't do this implicitly since it's lossy + operator CGSize() const; +#endif + +#if PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES) + explicit IntSize(const NSSize &); // don't do this implicitly since it's lossy + operator NSSize() const; +#endif + +#if PLATFORM(WIN) + IntSize(const SIZE&); + operator SIZE() const; +#endif + +#if PLATFORM(QT) + IntSize(const QSize&); + operator QSize() const; +#endif + +#if PLATFORM(HAIKU) + explicit IntSize(const BSize&); + operator BSize() const; +#endif + +#if PLATFORM(WX) + IntSize(const wxSize&); + operator wxSize() const; +#endif + +#if PLATFORM(BREWMP) + IntSize(const AEESize&); + operator AEESize() const; +#endif + +private: + int m_width, m_height; +}; + +inline IntSize& operator+=(IntSize& a, const IntSize& b) +{ + a.setWidth(a.width() + b.width()); + a.setHeight(a.height() + b.height()); + return a; +} + +inline IntSize& operator-=(IntSize& a, const IntSize& b) +{ + a.setWidth(a.width() - b.width()); + a.setHeight(a.height() - b.height()); + return a; +} + +inline IntSize operator+(const IntSize& a, const IntSize& b) +{ + return IntSize(a.width() + b.width(), a.height() + b.height()); +} + +inline IntSize operator-(const IntSize& a, const IntSize& b) +{ + return IntSize(a.width() - b.width(), a.height() - b.height()); +} + +inline IntSize operator-(const IntSize& size) +{ + return IntSize(-size.width(), -size.height()); +} + +inline bool operator==(const IntSize& a, const IntSize& b) +{ + return a.width() == b.width() && a.height() == b.height(); +} + +inline bool operator!=(const IntSize& a, const IntSize& b) +{ + return a.width() != b.width() || a.height() != b.height(); +} + +} // namespace WebCore + +#endif // IntSize_h |