| // 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/page/cpdf_imageobject.h" |
| |
| #include <memory> |
| |
| #include "core/fpdfapi/page/cpdf_docpagedata.h" |
| #include "core/fpdfapi/page/cpdf_image.h" |
| #include "core/fpdfapi/parser/cpdf_document.h" |
| |
| CPDF_ImageObject::CPDF_ImageObject() |
| : m_pImage(nullptr), m_pImageOwned(false) {} |
| |
| CPDF_ImageObject::~CPDF_ImageObject() { |
| Release(); |
| } |
| |
| CPDF_PageObject::Type CPDF_ImageObject::GetType() const { |
| return IMAGE; |
| } |
| |
| void CPDF_ImageObject::Transform(const CFX_Matrix& matrix) { |
| m_Matrix.Concat(matrix); |
| CalcBoundingBox(); |
| } |
| |
| bool CPDF_ImageObject::IsImage() const { |
| return true; |
| } |
| |
| CPDF_ImageObject* CPDF_ImageObject::AsImage() { |
| return this; |
| } |
| |
| const CPDF_ImageObject* CPDF_ImageObject::AsImage() const { |
| return this; |
| } |
| |
| void CPDF_ImageObject::CalcBoundingBox() { |
| m_Left = 0; |
| m_Bottom = 0; |
| m_Right = 1.0f; |
| m_Top = 1.0f; |
| m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom); |
| } |
| |
| void CPDF_ImageObject::SetOwnedImage(std::unique_ptr<CPDF_Image> pImage) { |
| Release(); |
| m_pImage = pImage.release(); |
| m_pImageOwned = true; |
| } |
| |
| void CPDF_ImageObject::SetUnownedImage(CPDF_Image* pImage) { |
| Release(); |
| m_pImage = pImage; |
| m_pImageOwned = false; |
| } |
| |
| void CPDF_ImageObject::Release() { |
| if (m_pImageOwned) { |
| delete m_pImage; |
| m_pImage = nullptr; |
| m_pImageOwned = false; |
| return; |
| } |
| |
| if (!m_pImage) |
| return; |
| |
| CPDF_DocPageData* pPageData = m_pImage->GetDocument()->GetPageData(); |
| pPageData->ReleaseImage(m_pImage->GetStream()->GetObjNum()); |
| m_pImage = nullptr; |
| } |