1 // Copyright 2014 The PDFium Authors
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/cxfa_ffimage.h"
8
9 #include <utility>
10
11 #include "core/fxge/dib/cfx_dibitmap.h"
12 #include "xfa/fxfa/cxfa_ffapp.h"
13 #include "xfa/fxfa/cxfa_ffdoc.h"
14 #include "xfa/fxfa/cxfa_ffpageview.h"
15 #include "xfa/fxfa/cxfa_ffwidget.h"
16 #include "xfa/fxfa/parser/cxfa_image.h"
17 #include "xfa/fxfa/parser/cxfa_para.h"
18 #include "xfa/fxfa/parser/cxfa_value.h"
19
CXFA_FFImage(CXFA_Node * pNode)20 CXFA_FFImage::CXFA_FFImage(CXFA_Node* pNode) : CXFA_FFWidget(pNode) {}
21
22 CXFA_FFImage::~CXFA_FFImage() = default;
23
PreFinalize()24 void CXFA_FFImage::PreFinalize() {
25 GetNode()->SetLayoutImage(nullptr);
26 }
27
IsLoaded()28 bool CXFA_FFImage::IsLoaded() {
29 return !!GetNode()->GetLayoutImage();
30 }
31
LoadWidget()32 bool CXFA_FFImage::LoadWidget() {
33 if (GetNode()->GetLayoutImage())
34 return true;
35
36 return GetNode()->LoadLayoutImage(GetDoc()) && CXFA_FFWidget::LoadWidget();
37 }
38
RenderWidget(CFGAS_GEGraphics * pGS,const CFX_Matrix & matrix,HighlightOption highlight)39 void CXFA_FFImage::RenderWidget(CFGAS_GEGraphics* pGS,
40 const CFX_Matrix& matrix,
41 HighlightOption highlight) {
42 if (!HasVisibleStatus())
43 return;
44
45 CFX_Matrix mtRotate = GetRotateMatrix();
46 mtRotate.Concat(matrix);
47
48 CXFA_FFWidget::RenderWidget(pGS, mtRotate, highlight);
49
50 RetainPtr<CFX_DIBitmap> pDIBitmap = GetNode()->GetLayoutImage();
51 if (!pDIBitmap)
52 return;
53
54 CFX_RectF rtImage = GetRectWithoutRotate();
55 CXFA_Margin* margin = m_pNode->GetMarginIfExists();
56 XFA_RectWithoutMargin(&rtImage, margin);
57
58 XFA_AttributeValue iHorzAlign = XFA_AttributeValue::Left;
59 XFA_AttributeValue iVertAlign = XFA_AttributeValue::Top;
60 CXFA_Para* para = m_pNode->GetParaIfExists();
61 if (para) {
62 iHorzAlign = para->GetHorizontalAlign();
63 iVertAlign = para->GetVerticalAlign();
64 }
65
66 auto* value = m_pNode->GetFormValueIfExists();
67 if (!value)
68 return;
69
70 CXFA_Image* image = value->GetImageIfExists();
71 if (!image)
72 return;
73
74 XFA_DrawImage(pGS, rtImage, mtRotate, std::move(pDIBitmap),
75 image->GetAspect(), m_pNode->GetLayoutImageDpi(), iHorzAlign,
76 iVertAlign);
77 }
78