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// 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;
}
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