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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "xfa/fxfa/app/xfa_ffimage.h"
      8 
      9 #include "xfa/fxfa/app/xfa_ffdraw.h"
     10 #include "xfa/fxfa/xfa_ffapp.h"
     11 #include "xfa/fxfa/xfa_ffdoc.h"
     12 #include "xfa/fxfa/xfa_ffpageview.h"
     13 #include "xfa/fxfa/xfa_ffwidget.h"
     14 
     15 CXFA_FFImage::CXFA_FFImage(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
     16 
     17 CXFA_FFImage::~CXFA_FFImage() {
     18   CXFA_FFImage::UnloadWidget();
     19 }
     20 
     21 bool CXFA_FFImage::IsLoaded() {
     22   return !!GetDataAcc()->GetImageImage();
     23 }
     24 bool CXFA_FFImage::LoadWidget() {
     25   if (GetDataAcc()->GetImageImage()) {
     26     return true;
     27   }
     28   GetDataAcc()->LoadImageImage();
     29   return CXFA_FFDraw::LoadWidget();
     30 }
     31 void CXFA_FFImage::UnloadWidget() {
     32   GetDataAcc()->SetImageImage(nullptr);
     33 }
     34 void CXFA_FFImage::RenderWidget(CFX_Graphics* pGS,
     35                                 CFX_Matrix* pMatrix,
     36                                 uint32_t dwStatus) {
     37   if (!IsMatchVisibleStatus(dwStatus))
     38     return;
     39 
     40   CFX_Matrix mtRotate = GetRotateMatrix();
     41   if (pMatrix)
     42     mtRotate.Concat(*pMatrix);
     43 
     44   CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
     45 
     46   CFX_DIBitmap* pDIBitmap = GetDataAcc()->GetImageImage();
     47   if (!pDIBitmap)
     48     return;
     49 
     50   CFX_RectF rtImage = GetRectWithoutRotate();
     51   if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin())
     52     XFA_RectWidthoutMargin(rtImage, mgWidget);
     53 
     54   int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left;
     55   int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top;
     56   if (CXFA_Para para = m_pDataAcc->GetPara()) {
     57     iHorzAlign = para.GetHorizontalAlign();
     58     iVertAlign = para.GetVerticalAlign();
     59   }
     60 
     61   CXFA_Value value = m_pDataAcc->GetFormValue();
     62   CXFA_Image imageObj = value.GetImage();
     63   int32_t iAspect = imageObj.GetAspect();
     64   int32_t iImageXDpi = 0;
     65   int32_t iImageYDpi = 0;
     66   m_pDataAcc->GetImageDpi(iImageXDpi, iImageYDpi);
     67   XFA_DrawImage(pGS, rtImage, &mtRotate, pDIBitmap, iAspect, iImageXDpi,
     68                 iImageYDpi, iHorzAlign, iVertAlign);
     69 }
     70