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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
commit | 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch) | |
tree | 46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/WTF/wtf/win/GDIObject.h | |
parent | 32761a6cee1d0dee366b885b7b9c777e67885688 (diff) | |
download | WebKitGtk-tarball-master.tar.gz |
webkitgtk-2.16.5HEADwebkitgtk-2.16.5master
Diffstat (limited to 'Source/WTF/wtf/win/GDIObject.h')
-rw-r--r-- | Source/WTF/wtf/win/GDIObject.h | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/Source/WTF/wtf/win/GDIObject.h b/Source/WTF/wtf/win/GDIObject.h deleted file mode 100644 index 4e01b3cec..000000000 --- a/Source/WTF/wtf/win/GDIObject.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Copyright (C) 2013 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 GDIObject_h -#define GDIObject_h - -#include <algorithm> -#include <cstddef> -#include <memory> -#include <windows.h> -#include <wtf/Assertions.h> -#include <wtf/Noncopyable.h> - -namespace WTF { - -template<typename T> void deleteObject(T); - -template<typename T> class GDIObject { - WTF_MAKE_NONCOPYABLE(GDIObject); -public: - GDIObject() : m_object(0) { } - GDIObject(std::nullptr_t) : m_object(0) { } - ~GDIObject() { deleteObject<T>(m_object); } - - T get() const { return m_object; } - - void clear(); - T leak() WARN_UNUSED_RETURN; - - bool operator!() const { return !m_object; } - - // This conversion operator allows implicit conversion to bool but not to other integer types. - typedef const void* UnspecifiedBoolType; - operator UnspecifiedBoolType() const { return m_object ? reinterpret_cast<UnspecifiedBoolType>(&m_object) : 0; } - - GDIObject<T>& operator=(std::nullptr_t) { clear(); return *this; } - - GDIObject(GDIObject&&); - template<typename U> GDIObject(GDIObject<U>&&); - - GDIObject& operator=(GDIObject&&); - template<typename U> GDIObject& operator=(GDIObject<U>&&); - - void swap(GDIObject& o) { std::swap(m_object, o.m_object); } - -private: - template<typename U> friend GDIObject<U> adoptGDIObject(U); - GDIObject(T object) : m_object(object) { } - - GDIObject<T>& operator=(T); - - T m_object; -}; - -template<typename T> inline void GDIObject<T>::clear() -{ - T object = m_object; - m_object = 0; - deleteObject(object); -} - -template<typename T> inline T GDIObject<T>::leak() -{ - T object = m_object; - m_object = 0; - return object; -} - -template<typename T> inline GDIObject<T>::GDIObject(GDIObject<T>&& other) - : m_object(other.leak()) -{ -} - -template<typename T> inline GDIObject<T>& GDIObject<T>::operator=(GDIObject<T>&& other) -{ - auto object = std::move(other); - swap(object); - return *this; -} - -template<typename T> inline GDIObject<T> adoptGDIObject(T object) -{ - return GDIObject<T>(object); -} - -template<typename T> inline void swap(GDIObject<T>& a, GDIObject<T>& b) -{ - a.swap(b); -} - -// Nearly all GDI types use the same DeleteObject call. -template<typename T> inline void deleteObject(T object) -{ - if (object) - ::DeleteObject(object); -} - -template<> inline void deleteObject<HDC>(HDC hdc) -{ - if (hdc) - ::DeleteDC(hdc); -} - -} // namespace WTF - -using WTF::GDIObject; -using WTF::adoptGDIObject; - -#endif // GDIObject_h |