From 61b2fc718910a5ab2a75ec5026b239ff33bccfdc Mon Sep 17 00:00:00 2001 From: dan sinclair Date: Wed, 23 Mar 2016 19:21:44 -0400 Subject: Split core/include/fpdfapi/fpdf_resource.h This CL splits apart the core/include/fpdfapi/fpdf_resource.h file and places the classes into individual files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1824033002 . --- core/fpdfapi/fpdf_page/cpdf_countedobject.h | 45 +++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 core/fpdfapi/fpdf_page/cpdf_countedobject.h (limited to 'core/fpdfapi/fpdf_page/cpdf_countedobject.h') diff --git a/core/fpdfapi/fpdf_page/cpdf_countedobject.h b/core/fpdfapi/fpdf_page/cpdf_countedobject.h new file mode 100644 index 0000000000..da840bec60 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_countedobject.h @@ -0,0 +1,45 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ +#define CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ + +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h" +#include "core/fxcrt/include/fx_system.h" + +template +class CPDF_CountedObject { + public: + explicit CPDF_CountedObject(T* ptr) : m_nCount(1), m_pObj(ptr) {} + void reset(T* ptr) { // CAUTION: tosses prior ref counts. + m_nCount = 1; + m_pObj = ptr; + } + void clear() { // Now you're all weak ptrs ... + delete m_pObj; + m_pObj = nullptr; + } + T* get() const { return m_pObj; } + T* AddRef() { + FXSYS_assert(m_pObj); + ++m_nCount; + return m_pObj; + } + void RemoveRef() { + if (m_nCount) + --m_nCount; + } + size_t use_count() const { return m_nCount; } + + protected: + size_t m_nCount; + T* m_pObj; +}; +using CPDF_CountedColorSpace = CPDF_CountedObject; +using CPDF_CountedPattern = CPDF_CountedObject; + +#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ -- cgit v1.2.3