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/src/foxitlib.h"
8 #include "xfa/src/fxfa/src/common/xfa_common.h"
9 #include "xfa_ffwidget.h"
10 #include "xfa_fffield.h"
11 #include "xfa_ffpageview.h"
12 #include "xfa_ffimageedit.h"
13 #include "xfa_ffdocview.h"
14 #include "xfa_ffdoc.h"
CXFA_FFImageEdit(CXFA_FFPageView * pPageView,CXFA_WidgetAcc * pDataAcc)15 CXFA_FFImageEdit::CXFA_FFImageEdit(CXFA_FFPageView* pPageView,
16                                    CXFA_WidgetAcc* pDataAcc)
17     : CXFA_FFField(pPageView, pDataAcc), m_pOldDelegate(NULL) {}
~CXFA_FFImageEdit()18 CXFA_FFImageEdit::~CXFA_FFImageEdit() {
19   CXFA_FFImageEdit::UnloadWidget();
20 }
LoadWidget()21 FX_BOOL CXFA_FFImageEdit::LoadWidget() {
22   CFWL_PictureBox* pPictureBox = new CFWL_PictureBox;
23   if (pPictureBox) {
24     pPictureBox->Initialize();
25   }
26   m_pNormalWidget = (CFWL_Widget*)pPictureBox;
27   IFWL_Widget* pWidget = m_pNormalWidget->GetWidget();
28   m_pNormalWidget->SetPrivateData(pWidget, this, NULL);
29   IFWL_NoteDriver* pNoteDriver = FWL_GetApp()->GetNoteDriver();
30   pNoteDriver->RegisterEventTarget(pWidget, pWidget);
31   m_pOldDelegate = pPictureBox->SetDelegate(this);
32   CXFA_FFField::LoadWidget();
33   if (m_pDataAcc->GetImageEditImage() != NULL) {
34     return TRUE;
35   }
36   UpdateFWLData();
37   return TRUE;
38 }
UnloadWidget()39 void CXFA_FFImageEdit::UnloadWidget() {
40   m_pDataAcc->SetImageEditImage(NULL);
41   CXFA_FFField::UnloadWidget();
42 }
RenderWidget(CFX_Graphics * pGS,CFX_Matrix * pMatrix,FX_DWORD dwStatus,int32_t iRotate)43 void CXFA_FFImageEdit::RenderWidget(CFX_Graphics* pGS,
44                                     CFX_Matrix* pMatrix,
45                                     FX_DWORD dwStatus,
46                                     int32_t iRotate) {
47   if (!IsMatchVisibleStatus(dwStatus)) {
48     return;
49   }
50   CFX_Matrix mtRotate;
51   GetRotateMatrix(mtRotate);
52   if (pMatrix) {
53     mtRotate.Concat(*pMatrix);
54   }
55   CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
56   CXFA_Border borderUI = m_pDataAcc->GetUIBorder();
57   DrawBorder(pGS, borderUI, m_rtUI, &mtRotate);
58   RenderCaption(pGS, &mtRotate);
59   if (CFX_DIBitmap* pDIBitmap = m_pDataAcc->GetImageEditImage()) {
60     CFX_RectF rtImage;
61     m_pNormalWidget->GetWidgetRect(rtImage);
62     int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left;
63     int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top;
64     if (CXFA_Para para = m_pDataAcc->GetPara()) {
65       iHorzAlign = para.GetHorizontalAlign();
66       iVertAlign = para.GetVerticalAlign();
67     }
68     int32_t iAspect = XFA_ATTRIBUTEENUM_Fit;
69     if (CXFA_Value value = m_pDataAcc->GetFormValue()) {
70       if (CXFA_Image imageObj = value.GetImage()) {
71         iAspect = imageObj.GetAspect();
72       }
73     }
74     int32_t iImageXDpi = 0;
75     int32_t iImageYDpi = 0;
76     m_pDataAcc->GetImageEditDpi(iImageXDpi, iImageYDpi);
77     XFA_DrawImage(pGS, rtImage, &mtRotate, pDIBitmap, iAspect, iImageXDpi,
78                   iImageYDpi, iHorzAlign, iVertAlign);
79   }
80 }
OnLButtonDown(FX_DWORD dwFlags,FX_FLOAT fx,FX_FLOAT fy)81 FX_BOOL CXFA_FFImageEdit::OnLButtonDown(FX_DWORD dwFlags,
82                                         FX_FLOAT fx,
83                                         FX_FLOAT fy) {
84   if (m_pDataAcc->GetAccess() != XFA_ATTRIBUTEENUM_Open) {
85     return FALSE;
86   }
87   if (!PtInActiveRect(fx, fy)) {
88     return FALSE;
89   }
90   SetButtonDown(TRUE);
91   CFWL_MsgMouse ms;
92   ms.m_dwCmd = FWL_MSGMOUSECMD_LButtonDown;
93   ms.m_dwFlags = dwFlags;
94   ms.m_fx = fx;
95   ms.m_fy = fy;
96   ms.m_pDstTarget = m_pNormalWidget->m_pIface;
97   FWLToClient(ms.m_fx, ms.m_fy);
98   TranslateFWLMessage(&ms);
99   IXFA_AppProvider* pAppProvider = GetAppProvider();
100   if (!pAppProvider) {
101     return TRUE;
102   }
103   CFX_WideString wsTitle;
104   CFX_WideString wsFilter;
105   pAppProvider->LoadString(XFA_IDS_ImageFilter, wsFilter);
106   CFX_WideStringArray wsPathArray;
107   pAppProvider->ShowFileDialog(wsTitle, wsFilter, wsPathArray);
108   int32_t iSize = wsPathArray.GetSize();
109   if (iSize < 1) {
110     return TRUE;
111   }
112   CFX_WideString wsFilePath = wsPathArray[0];
113   FX_STRSIZE nLen = wsFilePath.GetLength();
114   FX_STRSIZE nIndex = nLen - 1;
115   while (nIndex > 0 && wsFilePath[nIndex] != '.') {
116     nIndex--;
117   }
118   if (nIndex <= 0) {
119     return TRUE;
120   }
121   CFX_WideString wsContentType(L"image/");
122   wsContentType += wsFilePath.Right(nLen - nIndex - 1);
123   wsContentType.MakeLower();
124   FXCODEC_IMAGE_TYPE eImageType = XFA_GetImageType(wsContentType);
125   if (eImageType == FXCODEC_IMAGE_UNKNOWN) {
126     return TRUE;
127   }
128   CFX_WideString wsImage;
129   IFX_FileRead* pFileRead = FX_CreateFileRead(wsFilePath);
130   if (pFileRead != NULL) {
131     int32_t nDataSize = pFileRead->GetSize();
132     if (nDataSize > 0) {
133       CFX_ByteString bsBuf;
134       FX_CHAR* pImageBuffer = bsBuf.GetBuffer(nDataSize);
135       pFileRead->ReadBlock(pImageBuffer, 0, nDataSize);
136       bsBuf.ReleaseBuffer();
137       if (!bsBuf.IsEmpty()) {
138         FX_CHAR* pData = XFA_Base64Encode(bsBuf, nDataSize);
139         wsImage = CFX_WideString::FromLocal(pData);
140         if (pData != NULL) {
141           FX_Free(pData);
142         }
143       }
144     }
145     m_pDataAcc->SetImageEditImage(NULL);
146     pFileRead->Release();
147   }
148   m_pDataAcc->SetImageEdit(wsContentType, CFX_WideStringC(), wsImage);
149   m_pDataAcc->LoadImageEditImage();
150   AddInvalidateRect();
151   m_pDocView->SetChangeMark();
152   return TRUE;
153 }
SetFWLRect()154 void CXFA_FFImageEdit::SetFWLRect() {
155   if (!m_pNormalWidget) {
156     return;
157   }
158   CFX_RectF rtUIMargin;
159   m_pDataAcc->GetUIMargin(rtUIMargin);
160   CFX_RectF rtImage(m_rtUI);
161   rtImage.Deflate(rtUIMargin.left, rtUIMargin.top, rtUIMargin.width,
162                   rtUIMargin.height);
163   m_pNormalWidget->SetWidgetRect(rtImage);
164 }
CommitData()165 FX_BOOL CXFA_FFImageEdit::CommitData() {
166   return TRUE;
167 }
UpdateFWLData()168 FX_BOOL CXFA_FFImageEdit::UpdateFWLData() {
169   m_pDataAcc->SetImageEditImage(NULL);
170   m_pDataAcc->LoadImageEditImage();
171   return TRUE;
172 }
OnProcessMessage(CFWL_Message * pMessage)173 int32_t CXFA_FFImageEdit::OnProcessMessage(CFWL_Message* pMessage) {
174   return m_pOldDelegate->OnProcessMessage(pMessage);
175 }
OnProcessEvent(CFWL_Event * pEvent)176 FWL_ERR CXFA_FFImageEdit::OnProcessEvent(CFWL_Event* pEvent) {
177   CXFA_FFField::OnProcessEvent(pEvent);
178   return m_pOldDelegate->OnProcessEvent(pEvent);
179 }
OnDrawWidget(CFX_Graphics * pGraphics,const CFX_Matrix * pMatrix)180 FWL_ERR CXFA_FFImageEdit::OnDrawWidget(CFX_Graphics* pGraphics,
181                                        const CFX_Matrix* pMatrix) {
182   return m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
183 }
184