diff options
Diffstat (limited to 'core/fpdfapi/fpdf_page/fpdf_page_image.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_page/fpdf_page_image.cpp | 100 |
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; +} |