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_ffimageedit.h"
8
9 #include "xfa/fwl/cfwl_app.h"
10 #include "xfa/fwl/cfwl_messagemouse.h"
11 #include "xfa/fwl/cfwl_notedriver.h"
12 #include "xfa/fwl/cfwl_picturebox.h"
13 #include "xfa/fxfa/app/xfa_fffield.h"
14 #include "xfa/fxfa/xfa_ffdoc.h"
15 #include "xfa/fxfa/xfa_ffdocview.h"
16 #include "xfa/fxfa/xfa_ffpageview.h"
17 #include "xfa/fxfa/xfa_ffwidget.h"
18
CXFA_FFImageEdit(CXFA_WidgetAcc * pDataAcc)19 CXFA_FFImageEdit::CXFA_FFImageEdit(CXFA_WidgetAcc* pDataAcc)
20 : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {}
21
~CXFA_FFImageEdit()22 CXFA_FFImageEdit::~CXFA_FFImageEdit() {
23 CXFA_FFImageEdit::UnloadWidget();
24 }
25
LoadWidget()26 bool CXFA_FFImageEdit::LoadWidget() {
27 CFWL_PictureBox* pPictureBox = new CFWL_PictureBox(GetFWLApp());
28 m_pNormalWidget = pPictureBox;
29 m_pNormalWidget->SetLayoutItem(this);
30
31 CFWL_NoteDriver* pNoteDriver =
32 m_pNormalWidget->GetOwnerApp()->GetNoteDriver();
33 pNoteDriver->RegisterEventTarget(m_pNormalWidget, m_pNormalWidget);
34
35 m_pOldDelegate = pPictureBox->GetDelegate();
36 pPictureBox->SetDelegate(this);
37
38 CXFA_FFField::LoadWidget();
39 if (m_pDataAcc->GetImageEditImage()) {
40 return true;
41 }
42 UpdateFWLData();
43 return true;
44 }
UnloadWidget()45 void CXFA_FFImageEdit::UnloadWidget() {
46 m_pDataAcc->SetImageEditImage(nullptr);
47 CXFA_FFField::UnloadWidget();
48 }
RenderWidget(CFX_Graphics * pGS,CFX_Matrix * pMatrix,uint32_t dwStatus)49 void CXFA_FFImageEdit::RenderWidget(CFX_Graphics* pGS,
50 CFX_Matrix* pMatrix,
51 uint32_t dwStatus) {
52 if (!IsMatchVisibleStatus(dwStatus))
53 return;
54
55 CFX_Matrix mtRotate = GetRotateMatrix();
56 if (pMatrix)
57 mtRotate.Concat(*pMatrix);
58
59 CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
60 CXFA_Border borderUI = m_pDataAcc->GetUIBorder();
61 DrawBorder(pGS, borderUI, m_rtUI, &mtRotate);
62 RenderCaption(pGS, &mtRotate);
63 CFX_DIBitmap* pDIBitmap = m_pDataAcc->GetImageEditImage();
64 if (!pDIBitmap)
65 return;
66
67 CFX_RectF rtImage = m_pNormalWidget->GetWidgetRect();
68 int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left;
69 int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top;
70 if (CXFA_Para para = m_pDataAcc->GetPara()) {
71 iHorzAlign = para.GetHorizontalAlign();
72 iVertAlign = para.GetVerticalAlign();
73 }
74
75 int32_t iAspect = XFA_ATTRIBUTEENUM_Fit;
76 if (CXFA_Value value = m_pDataAcc->GetFormValue()) {
77 if (CXFA_Image imageObj = value.GetImage())
78 iAspect = imageObj.GetAspect();
79 }
80
81 int32_t iImageXDpi = 0;
82 int32_t iImageYDpi = 0;
83 m_pDataAcc->GetImageEditDpi(iImageXDpi, iImageYDpi);
84 XFA_DrawImage(pGS, rtImage, &mtRotate, pDIBitmap, iAspect, iImageXDpi,
85 iImageYDpi, iHorzAlign, iVertAlign);
86 }
87
OnLButtonDown(uint32_t dwFlags,const CFX_PointF & point)88 bool CXFA_FFImageEdit::OnLButtonDown(uint32_t dwFlags,
89 const CFX_PointF& point) {
90 if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open)
91 return false;
92 if (!PtInActiveRect(point))
93 return false;
94
95 SetButtonDown(true);
96
97 CFWL_MessageMouse ms(nullptr, m_pNormalWidget);
98 ms.m_dwCmd = FWL_MouseCommand::LeftButtonDown;
99 ms.m_dwFlags = dwFlags;
100 ms.m_pos = FWLToClient(point);
101 TranslateFWLMessage(&ms);
102 return true;
103 }
104
SetFWLRect()105 void CXFA_FFImageEdit::SetFWLRect() {
106 if (!m_pNormalWidget) {
107 return;
108 }
109 CFX_RectF rtUIMargin = m_pDataAcc->GetUIMargin();
110 CFX_RectF rtImage(m_rtUI);
111 rtImage.Deflate(rtUIMargin.left, rtUIMargin.top, rtUIMargin.width,
112 rtUIMargin.height);
113 m_pNormalWidget->SetWidgetRect(rtImage);
114 }
CommitData()115 bool CXFA_FFImageEdit::CommitData() {
116 return true;
117 }
UpdateFWLData()118 bool CXFA_FFImageEdit::UpdateFWLData() {
119 m_pDataAcc->SetImageEditImage(nullptr);
120 m_pDataAcc->LoadImageEditImage();
121 return true;
122 }
123
OnProcessMessage(CFWL_Message * pMessage)124 void CXFA_FFImageEdit::OnProcessMessage(CFWL_Message* pMessage) {
125 m_pOldDelegate->OnProcessMessage(pMessage);
126 }
127
OnProcessEvent(CFWL_Event * pEvent)128 void CXFA_FFImageEdit::OnProcessEvent(CFWL_Event* pEvent) {
129 CXFA_FFField::OnProcessEvent(pEvent);
130 m_pOldDelegate->OnProcessEvent(pEvent);
131 }
132
OnDrawWidget(CFX_Graphics * pGraphics,const CFX_Matrix * pMatrix)133 void CXFA_FFImageEdit::OnDrawWidget(CFX_Graphics* pGraphics,
134 const CFX_Matrix* pMatrix) {
135 m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
136 }
137