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// Copyright 2016 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/include/cpdf_imageobject.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_image.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.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);
}
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