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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 "xfa/fxfa/cxfa_ffimage.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffdraw.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/parser/cxfa_image.h"
#include "xfa/fxfa/parser/cxfa_para.h"
#include "xfa/fxfa/parser/cxfa_value.h"
CXFA_FFImage::CXFA_FFImage(CXFA_Node* pNode) : CXFA_FFDraw(pNode) {}
CXFA_FFImage::~CXFA_FFImage() {
CXFA_FFImage::UnloadWidget();
}
bool CXFA_FFImage::IsLoaded() {
return !!GetNode()->GetWidgetAcc()->GetImageImage();
}
bool CXFA_FFImage::LoadWidget() {
if (GetNode()->GetWidgetAcc()->GetImageImage())
return true;
return GetNode()->GetWidgetAcc()->LoadImageImage(GetDoc())
? CXFA_FFDraw::LoadWidget()
: false;
}
void CXFA_FFImage::UnloadWidget() {
GetNode()->GetWidgetAcc()->SetImageImage(nullptr);
}
void CXFA_FFImage::RenderWidget(CXFA_Graphics* pGS,
const CFX_Matrix& matrix,
uint32_t dwStatus) {
if (!IsMatchVisibleStatus(dwStatus))
return;
CFX_Matrix mtRotate = GetRotateMatrix();
mtRotate.Concat(matrix);
CXFA_FFWidget::RenderWidget(pGS, mtRotate, dwStatus);
RetainPtr<CFX_DIBitmap> pDIBitmap =
GetNode()->GetWidgetAcc()->GetImageImage();
if (!pDIBitmap)
return;
CFX_RectF rtImage = GetRectWithoutRotate();
CXFA_Margin* margin = m_pNode->GetMarginIfExists();
if (margin)
XFA_RectWithoutMargin(rtImage, margin);
XFA_AttributeEnum iHorzAlign = XFA_AttributeEnum::Left;
XFA_AttributeEnum iVertAlign = XFA_AttributeEnum::Top;
CXFA_Para* para = m_pNode->GetParaIfExists();
if (para) {
iHorzAlign = para->GetHorizontalAlign();
iVertAlign = para->GetVerticalAlign();
}
int32_t iImageXDpi = 0;
int32_t iImageYDpi = 0;
m_pNode->GetWidgetAcc()->GetImageDpi(iImageXDpi, iImageYDpi);
auto* value = m_pNode->GetFormValueIfExists();
CXFA_Image* image = value ? value->GetImage() : nullptr;
XFA_DrawImage(pGS, rtImage, mtRotate, pDIBitmap, image->GetAspect(),
iImageXDpi, iImageYDpi, iHorzAlign, iVertAlign);
}
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