1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 31 #ifndef NDEBUG 32 33 #include "GDIObjectCounter.h" 34 35 #include "Logging.h" 36 #include <wtf/text/CString.h> 37 38 #include <windows.h> 39 40 namespace WebCore { 41 42 GDIObjectCounter::GDIObjectCounter(const String& identifier) 43 { 44 init(identifier); 45 } 46 47 GDIObjectCounter::GDIObjectCounter(const String& className, void* instance) 48 { 49 init(String::format("%s (%p)", className.latin1().data(), instance)); 50 } 51 52 void GDIObjectCounter::init(const String& identifier) 53 { 54 m_identifier = identifier; 55 m_startCount = currentGDIObjectsInUse(); 56 m_endCount = 0; 57 } 58 59 GDIObjectCounter::~GDIObjectCounter() 60 { 61 m_endCount = currentGDIObjectsInUse(); 62 int leaked = m_endCount - m_startCount; 63 if (leaked != 0) 64 LOG(PlatformLeaks, "%s: leaked %d GDI object%s!", m_identifier.latin1().data(), leaked, leaked == 1 ? "" : "s"); 65 } 66 67 unsigned GDIObjectCounter::currentGDIObjectsInUse() 68 { 69 return ::GetGuiResources(::GetCurrentProcess(), GR_GDIOBJECTS); 70 } 71 72 } // namespace WebCore 73 74 #endif // !defined(NDEBUG) 75
