| // 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/src/fpdfapi/fpdf_page/pageint.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; |
| } |