diff options
Diffstat (limited to 'core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp b/core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp new file mode 100644 index 0000000000..e6a5227269 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp @@ -0,0 +1,77 @@ +// 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 + +#include "core/fpdfapi/fpdf_page/cpdf_clippathdata.h" + +#include "core/fpdfapi/fpdf_page/include/cpdf_path.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h" + +CPDF_ClipPathData::CPDF_ClipPathData() + : m_PathCount(0), + m_pPathList(nullptr), + m_pTypeList(nullptr), + m_TextCount(0), + m_pTextList(nullptr) {} + +CPDF_ClipPathData::~CPDF_ClipPathData() { + delete[] m_pPathList; + FX_Free(m_pTypeList); + + for (int i = m_TextCount - 1; i > -1; i--) + delete m_pTextList[i]; + FX_Free(m_pTextList); +} + +CPDF_ClipPathData::CPDF_ClipPathData(const CPDF_ClipPathData& src) { + m_pPathList = nullptr; + m_pPathList = nullptr; + m_pTextList = nullptr; + + m_PathCount = src.m_PathCount; + if (m_PathCount) { + int alloc_size = m_PathCount; + if (alloc_size % 8) + alloc_size += 8 - (alloc_size % 8); + + m_pPathList = new CPDF_Path[alloc_size]; + for (int i = 0; i < m_PathCount; i++) + m_pPathList[i] = src.m_pPathList[i]; + + m_pTypeList = FX_Alloc(uint8_t, alloc_size); + FXSYS_memcpy(m_pTypeList, src.m_pTypeList, m_PathCount); + } else { + m_pPathList = nullptr; + m_pTypeList = nullptr; + } + + m_TextCount = src.m_TextCount; + if (m_TextCount) { + m_pTextList = FX_Alloc(CPDF_TextObject*, m_TextCount); + for (int i = 0; i < m_TextCount; i++) { + if (src.m_pTextList[i]) + m_pTextList[i] = src.m_pTextList[i]->Clone(); + else + m_pTextList[i] = nullptr; + } + } else { + m_pTextList = nullptr; + } +} + +void CPDF_ClipPathData::SetCount(int path_count, int text_count) { + ASSERT(m_TextCount == 0 && m_PathCount == 0); + if (path_count) { + m_PathCount = path_count; + int alloc_size = (path_count + 7) / 8 * 8; + m_pPathList = new CPDF_Path[alloc_size]; + m_pTypeList = FX_Alloc(uint8_t, alloc_size); + } + + if (text_count) { + m_TextCount = text_count; + m_pTextList = FX_Alloc(CPDF_TextObject*, text_count); + } +} |