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path: root/xfa/fxfa/cxfa_ffimage.cpp
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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"

CXFA_FFImage::CXFA_FFImage(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}

CXFA_FFImage::~CXFA_FFImage() {
  CXFA_FFImage::UnloadWidget();
}

bool CXFA_FFImage::IsLoaded() {
  return !!GetDataAcc()->GetImageImage();
}

bool CXFA_FFImage::LoadWidget() {
  if (GetDataAcc()->GetImageImage())
    return true;

  return GetDataAcc()->LoadImageImage() ? CXFA_FFDraw::LoadWidget() : false;
}

void CXFA_FFImage::UnloadWidget() {
  GetDataAcc()->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 = GetDataAcc()->GetImageImage();
  if (!pDIBitmap)
    return;

  CFX_RectF rtImage = GetRectWithoutRotate();
  if (CXFA_MarginData marginData = m_pDataAcc->GetMarginData())
    XFA_RectWidthoutMargin(rtImage, marginData);

  int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left;
  int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top;
  if (CXFA_Para para = m_pDataAcc->GetPara()) {
    iHorzAlign = para.GetHorizontalAlign();
    iVertAlign = para.GetVerticalAlign();
  }

  CXFA_Value value = m_pDataAcc->GetFormValue();
  int32_t iAspect = value.GetImageData().GetAspect();
  int32_t iImageXDpi = 0;
  int32_t iImageYDpi = 0;
  m_pDataAcc->GetImageDpi(iImageXDpi, iImageYDpi);
  XFA_DrawImage(pGS, rtImage, mtRotate, pDIBitmap, iAspect, iImageXDpi,
                iImageYDpi, iHorzAlign, iVertAlign);
}