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
CXFA_FFImage(CXFA_WidgetAcc * pDataAcc)15 CXFA_FFImage::CXFA_FFImage(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
16
~CXFA_FFImage()17 CXFA_FFImage::~CXFA_FFImage() {
18 CXFA_FFImage::UnloadWidget();
19 }
20
IsLoaded()21 bool CXFA_FFImage::IsLoaded() {
22 return !!GetDataAcc()->GetImageImage();
23 }
LoadWidget()24 bool CXFA_FFImage::LoadWidget() {
25 if (GetDataAcc()->GetImageImage()) {
26 return true;
27 }
28 GetDataAcc()->LoadImageImage();
29 return CXFA_FFDraw::LoadWidget();
30 }
UnloadWidget()31 void CXFA_FFImage::UnloadWidget() {
32 GetDataAcc()->SetImageImage(nullptr);
33 }
RenderWidget(CFX_Graphics * pGS,CFX_Matrix * pMatrix,uint32_t dwStatus)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