1 files changed, 100 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_image.cpp b/core/fpdfapi/fpdf_page/fpdf_page_image.cpp
new file mode 100644
index 0000000000..a88d2b30bd
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/fpdf_page_image.cpp
@@ -0,0 +1,100 @@
+// Copyright 2014 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/pageint.h"
+
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/fpdf_page.h"
+#include "core/include/fpdfapi/fpdf_pageobj.h"
+
+CPDF_ImageObject::CPDF_ImageObject() : m_pImage(nullptr) {}
+
+CPDF_ImageObject::~CPDF_ImageObject() {
+  if (!m_pImage) {
+    return;
+  }
+  if (m_pImage->IsInline() ||
+      (m_pImage->GetStream() && m_pImage->GetStream()->GetObjNum() == 0)) {
+    delete m_pImage;
+  } else {
+    m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream());
+  }
+}
+
+CPDF_ImageObject* CPDF_ImageObject::Clone() const {
+  CPDF_ImageObject* obj = new CPDF_ImageObject;
+  obj->CopyData(this);
+
+  obj->m_pImage = m_pImage->Clone();
+  obj->m_Matrix = m_Matrix;
+  return obj;
+}
+
+void CPDF_ImageObject::Transform(const CFX_Matrix& matrix) {
+  m_Matrix.Concat(matrix);
+  CalcBoundingBox();
+}
+void CPDF_ImageObject::CalcBoundingBox() {
+  m_Left = m_Bottom = 0;
+  m_Right = m_Top = 1.0f;
+  m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
+}
+void CPDF_Image::Release() {
+  if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) {
+    delete this;
+  }
+}
+CPDF_Image* CPDF_Image::Clone() {
+  if (m_pStream->GetObjNum())
+    return m_pDocument->GetPageData()->GetImage(m_pStream);
+
+  CPDF_Image* pImage = new CPDF_Image(m_pDocument);
+  pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline);
+  if (m_bInline)
+    pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE)));
+
+  return pImage;
+}
+CPDF_Image::CPDF_Image(CPDF_Document* pDoc) {
+  m_pDocument = pDoc;
+  m_pStream = NULL;
+  m_pOC = NULL;
+  m_bInline = FALSE;
+  m_pInlineDict = NULL;
+  m_pDIBSource = NULL;
+  m_pMask = NULL;
+  m_MatteColor = 0;
+}
+CPDF_Image::~CPDF_Image() {
+  if (m_bInline) {
+    if (m_pStream) {
+      m_pStream->Release();
+    }
+    if (m_pInlineDict) {
+      m_pInlineDict->Release();
+    }
+  }
+}
+FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) {
+  m_pStream = pStream;
+  if (m_bInline && m_pInlineDict) {
+    m_pInlineDict->Release();
+    m_pInlineDict = NULL;
+  }
+  m_bInline = bInline;
+  CPDF_Dictionary* pDict = pStream->GetDict();
+  if (m_bInline) {
+    m_pInlineDict = ToDictionary(pDict->Clone());
+  }
+  m_pOC = pDict->GetDictBy("OC");
+  m_bIsMask =
+      !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask");
+  m_bInterpolate = pDict->GetIntegerBy("Interpolate");
+  m_Height = pDict->GetIntegerBy("Height");
+  m_Width = pDict->GetIntegerBy("Width");
+  return TRUE;
+}