| // 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 "../../../include/fpdfapi/fpdf_page.h" |
| #include "../../../include/fpdfapi/fpdf_pageobj.h" |
| #include "pageint.h" |
| CPDF_ImageObject::CPDF_ImageObject() |
| { |
| m_pImage = NULL; |
| m_Type = PDFPAGE_IMAGE; |
| } |
| 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()); |
| } |
| } |
| void CPDF_ImageObject::CopyData(const CPDF_PageObject* pSrc) |
| { |
| const CPDF_ImageObject* pSrcObj = (const CPDF_ImageObject*)pSrc; |
| if (m_pImage) { |
| m_pImage->Release(); |
| } |
| m_pImage = pSrcObj->m_pImage->Clone(); |
| m_Matrix = pSrcObj->m_Matrix; |
| } |
| void CPDF_ImageObject::Transform(const CFX_AffineMatrix& 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((CPDF_Stream*)((CPDF_Object*)m_pStream)->Clone(), m_bInline); |
| if (m_bInline) { |
| CPDF_Dictionary *pInlineDict = (CPDF_Dictionary*)m_pInlineDict->Clone(TRUE); |
| pImage->SetInlineDict(pInlineDict); |
| } |
| 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 = (CPDF_Dictionary*)pDict->Clone(); |
| } |
| m_pOC = pDict->GetDict(FX_BSTRC("OC")); |
| m_bIsMask = !pDict->KeyExist(FX_BSTRC("ColorSpace")) || pDict->GetInteger(FX_BSTRC("ImageMask")); |
| m_bInterpolate = pDict->GetInteger(FX_BSTRC("Interpolate")); |
| m_Height = pDict->GetInteger(FX_BSTRC("Height")); |
| m_Width = pDict->GetInteger(FX_BSTRC("Width")); |
| return TRUE; |
| } |