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);
+  }
+}