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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 "../../../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 = FX_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) {
#ifndef FOXIT_CHROME_BUILD
CPDF_Dictionary* pDict = m_pStream->GetDict();
if (pDict) {
CPDF_Object* pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace"));
if (pCSObj && m_pDocument) {
m_pDocument->RemoveColorSpaceFromPageData(pCSObj);
}
}
#endif
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"));
#ifndef _FPDFAPI_MINI_
m_bInterpolate = pDict->GetInteger(FX_BSTRC("Interpolate"));
#endif
m_Height = pDict->GetInteger(FX_BSTRC("Height"));
m_Width = pDict->GetInteger(FX_BSTRC("Width"));
return TRUE;
}
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