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 "../include/fpdfview.h" 8 #include "../include/fpdfformfill.h" 9 #include "../include/fsdk_define.h" 10 #include "../include/fsdk_mgr.h" 11 12 13 #include "../include/javascript/IJavaScript.h" 14 15 16 DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle, FPDF_PAGE page,double page_x, double page_y) 17 { 18 if(!page || !hHandle) 19 return -1; 20 CPDF_Page * pPage = (CPDF_Page*) page; 21 22 CPDF_InterForm * pInterForm = NULL; 23 pInterForm = new CPDF_InterForm(pPage->m_pDocument,FALSE); 24 if (!pInterForm) 25 return -1; 26 CPDF_FormControl* pFormCtrl = pInterForm->GetControlAtPoint(pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y); 27 if(!pFormCtrl) 28 { 29 delete pInterForm; 30 return -1; 31 } 32 CPDF_FormField* pFormField = pFormCtrl->GetField(); 33 if(!pFormField) 34 { 35 delete pInterForm; 36 return -1; 37 } 38 39 int nType = pFormField->GetFieldType(); 40 delete pInterForm; 41 return nType; 42 } 43 44 DLLEXPORT FPDF_FORMHANDLE STDCALL FPDFDOC_InitFormFillEnviroument(FPDF_DOCUMENT document, FPDF_FORMFILLINFO* formInfo) 45 { 46 if(!document || !formInfo || formInfo->version!=1) 47 return NULL; 48 CPDF_Document * pDocument = (CPDF_Document*) document; 49 CPDFDoc_Environment * pEnv = NULL; 50 pEnv = new CPDFDoc_Environment(pDocument); 51 if (!pEnv) 52 return NULL; 53 pEnv->RegAppHandle(formInfo); 54 55 if(pEnv->GetPDFDocument()) 56 { 57 CPDFSDK_Document* pSDKDoc = new CPDFSDK_Document(pEnv->GetPDFDocument(), pEnv); 58 if(pSDKDoc) 59 pEnv->SetCurrentDoc(pSDKDoc); 60 } 61 return pEnv; 62 } 63 64 DLLEXPORT void STDCALL FPDFDOC_ExitFormFillEnviroument(FPDF_FORMHANDLE hHandle) 65 { 66 if(!hHandle) 67 return; 68 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 69 if(pSDKDoc) 70 { 71 ((CPDFDoc_Environment*)hHandle)->SetCurrentDoc(NULL); 72 delete pSDKDoc; 73 } 74 delete (CPDFDoc_Environment*)hHandle; 75 hHandle = NULL; 76 } 77 78 DLLEXPORT FPDF_BOOL STDCALL FORM_OnMouseMove(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y) 79 { 80 if (!hHandle || !page) 81 return FALSE; 82 // CPDF_Page * pPage = (CPDF_Page*) page; 83 // CPDF_Document * pDoc = pPage->m_pDocument; 84 // CPDFDoc_Environment* pEnv = (CPDFDoc_Environment*)hHandle; 85 CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 86 if(!pFXDoc) 87 return FALSE; 88 CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page); 89 if(!pPageView) 90 return FALSE; 91 92 // double page_x = 0; 93 // double page_y = 0; 94 // pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y); 95 CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y); 96 return pPageView->OnMouseMove(pt, modifier); 97 } 98 99 DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonDown(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y) 100 { 101 if (!hHandle || !page) 102 return FALSE; 103 CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 104 if(!pFXDoc) 105 return FALSE; 106 CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page); 107 if(!pPageView) 108 return FALSE; 109 // double page_x = 0; 110 // double page_y = 0; 111 // pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y); 112 CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y); 113 return pPageView->OnLButtonDown(pt, modifier); 114 } 115 116 DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonUp(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int modifier, double page_x, double page_y) 117 { 118 if (!hHandle || !page) 119 return FALSE; 120 CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 121 if(!pFXDoc) 122 return FALSE; 123 CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page); 124 if(!pPageView) 125 return FALSE; 126 // double page_x = 0; 127 // double page_y = 0; 128 // pEnv->FFI_DeviceToPage(page, point_x, point_y, &page_x, &page_y); 129 CPDF_Point pt((FX_FLOAT)page_x, (FX_FLOAT)page_y); 130 return pPageView->OnLButtonUp(pt, modifier); 131 } 132 133 DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyDown(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nKeyCode, int modifier) 134 { 135 if (!hHandle || !page) 136 return FALSE; 137 CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 138 if(!pFXDoc) 139 return FALSE; 140 CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page); 141 if(!pPageView) 142 return FALSE; 143 144 145 return pPageView->OnKeyDown(nKeyCode, modifier); 146 } 147 148 DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyUp(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nKeyCode, int modifier) 149 { 150 if (!hHandle || !page) 151 return FALSE; 152 CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 153 if(!pFXDoc) 154 return FALSE; 155 CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page); 156 if(!pPageView) 157 return FALSE; 158 159 160 return pPageView->OnKeyUp(nKeyCode, modifier); 161 } 162 163 164 DLLEXPORT FPDF_BOOL STDCALL FORM_OnChar(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int nChar, int modifier) 165 { 166 if (!hHandle || !page) 167 return FALSE; 168 CPDFSDK_Document* pFXDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 169 if(!pFXDoc) 170 return FALSE; 171 CPDFSDK_PageView* pPageView = pFXDoc->GetPageView((CPDF_Page*)page); 172 if(!pPageView) 173 return FALSE; 174 return pPageView->OnChar(nChar, modifier); 175 176 } 177 178 DLLEXPORT FPDF_BOOL STDCALL FORM_ForceToKillFocus(FPDF_FORMHANDLE hHandle) 179 { 180 if(!hHandle) 181 return FALSE; 182 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 183 if(!pSDKDoc) 184 return FALSE; 185 //Kill the current focus. 186 return pSDKDoc->KillFocusAnnot(0); 187 } 188 189 DLLEXPORT void STDCALL FPDF_FFLDraw(FPDF_FORMHANDLE hHandle, FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y, 190 int size_x, int size_y, int rotate, int flags) 191 { 192 if (!hHandle || !page) 193 return ; 194 CPDF_Page* pPage = (CPDF_Page*)page; 195 196 CPDF_RenderOptions options; 197 if (flags & FPDF_LCD_TEXT) 198 options.m_Flags |= RENDER_CLEARTYPE; 199 else 200 options.m_Flags &= ~RENDER_CLEARTYPE; 201 202 //Grayscale output 203 if (flags & FPDF_GRAYSCALE) 204 { 205 options.m_ColorMode = RENDER_COLOR_GRAY; 206 options.m_ForeColor = 0; 207 options.m_BackColor = 0xffffff; 208 } 209 210 options.m_AddFlags = flags >> 8; 211 212 options.m_pOCContext = FX_NEW CPDF_OCContext(pPage->m_pDocument); 213 214 //FXMT_CSLOCK_OBJ(&pPage->m_PageLock); 215 216 CFX_AffineMatrix matrix; 217 pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate); 218 219 FX_RECT clip; 220 clip.left = start_x; 221 clip.right = start_x + size_x; 222 clip.top = start_y; 223 clip.bottom = start_y + size_y; 224 225 #ifdef _SKIA_SUPPORT_ 226 CFX_SkiaDevice* pDevice = FX_NEW CFX_SkiaDevice; 227 #else 228 CFX_FxgeDevice* pDevice = NULL; 229 pDevice = FX_NEW CFX_FxgeDevice; 230 #endif 231 232 if (!pDevice) 233 return; 234 pDevice->Attach((CFX_DIBitmap*)bitmap); 235 pDevice->SaveState(); 236 pDevice->SetClip_Rect(&clip); 237 238 239 CPDF_RenderContext* pContext = NULL; 240 pContext = FX_NEW CPDF_RenderContext; 241 if (!pContext) 242 { 243 delete pDevice; 244 pDevice = NULL; 245 return; 246 } 247 248 249 // CPDF_Document* pDoc = pPage->m_pDocument; 250 CPDFDoc_Environment* pEnv = (CPDFDoc_Environment*)hHandle; 251 CPDFSDK_Document* pFXDoc = pEnv->GetCurrentDoc(); 252 if(!pFXDoc) 253 { 254 delete pContext; 255 delete pDevice; 256 pContext = NULL; 257 pDevice = NULL; 258 return; 259 } 260 if(CPDFSDK_PageView* pPageView = pFXDoc->GetPageView(pPage)) 261 { 262 pPageView->PageView_OnDraw(pDevice, &matrix, &options); 263 } 264 pDevice->RestoreState(); 265 266 if(options.m_pOCContext) 267 { 268 delete options.m_pOCContext; 269 options.m_pOCContext = NULL; 270 } 271 if(pContext) 272 { 273 delete pContext; 274 pContext = NULL; 275 } 276 if(pDevice) 277 { 278 delete pDevice; 279 pDevice = NULL; 280 } 281 282 } 283 284 DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightColor(FPDF_FORMHANDLE hHandle, int fieldType, unsigned long color) 285 { 286 if (!hHandle) 287 return; 288 // CPDFDoc_Environment* pEnv = (CPDFDoc_Environment* )hHandle; 289 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 290 if(pSDKDoc) 291 { 292 if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm()) 293 { 294 pInterForm->SetHighlightColor(color, fieldType); 295 } 296 297 } 298 299 } 300 301 DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightAlpha(FPDF_FORMHANDLE hHandle, unsigned char alpha) 302 { 303 if (!hHandle) 304 return; 305 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 306 if(pSDKDoc) 307 { 308 if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm()) 309 pInterForm->SetHighlightAlpha(alpha); 310 } 311 } 312 313 DLLEXPORT void STDCALL FPDF_RemoveFormFieldHighlight(FPDF_FORMHANDLE hHandle) 314 { 315 if (!hHandle) 316 return; 317 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 318 if(pSDKDoc) 319 { 320 if(CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm()) 321 pInterForm->RemoveAllHighLight(); 322 } 323 } 324 325 DLLEXPORT void STDCALL FORM_OnAfterLoadPage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle) 326 { 327 if(!hHandle || !page) 328 return; 329 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 330 if(!pSDKDoc) 331 return; 332 CPDF_Page* pPage = (CPDF_Page*)page; 333 CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, TRUE); 334 if(pPageView) 335 { 336 pPageView->SetValid(TRUE); 337 } 338 } 339 340 DLLEXPORT void STDCALL FORM_OnBeforeClosePage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle) 341 { 342 if(!hHandle || !page) 343 return; 344 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 345 CPDF_Page* pPage = (CPDF_Page*)page; 346 CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, FALSE); 347 if(pPageView) 348 { 349 pPageView->SetValid(FALSE); 350 // ReMovePageView() takes care of the delete for us. 351 pSDKDoc->ReMovePageView(pPage); 352 } 353 } 354 DLLEXPORT void STDCALL FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle) 355 { 356 if(!hHandle) 357 return; 358 if( CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc()) 359 { 360 pSDKDoc->InitPageView(); 361 if(((CPDFDoc_Environment*)hHandle)->IsJSInitiated()) 362 pSDKDoc->ProcJavascriptFun(); 363 } 364 } 365 366 DLLEXPORT void STDCALL FORM_DoDocumentOpenAction(FPDF_FORMHANDLE hHandle) 367 { 368 if(!hHandle) 369 return; 370 if( CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc()) 371 { 372 if(((CPDFDoc_Environment*)hHandle)->IsJSInitiated()) 373 pSDKDoc->ProcOpenAction(); 374 } 375 } 376 DLLEXPORT void STDCALL FORM_DoDocumentAAction(FPDF_FORMHANDLE hHandle, int aaType) 377 { 378 if(!hHandle) 379 return; 380 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 381 if(pSDKDoc) 382 { 383 CPDF_Document* pDoc = pSDKDoc->GetDocument(); 384 CPDF_Dictionary* pDic = pDoc->GetRoot(); 385 if (!pDic) 386 return; 387 CPDF_AAction aa = pDic->GetDict(FX_BSTRC("AA")); 388 389 if(aa.ActionExist((CPDF_AAction::AActionType)aaType)) 390 { 391 CPDF_Action action = aa.GetAction((CPDF_AAction::AActionType)aaType); 392 CPDFSDK_ActionHandler *pActionHandler = ((CPDFDoc_Environment*)hHandle)->GetActionHander(); 393 ASSERT(pActionHandler != NULL); 394 pActionHandler->DoAction_Document(action, (CPDF_AAction::AActionType)aaType, pSDKDoc); 395 } 396 } 397 } 398 DLLEXPORT void STDCALL FORM_DoPageAAction(FPDF_PAGE page, FPDF_FORMHANDLE hHandle, int aaType) 399 { 400 if(!hHandle || !page) 401 return; 402 CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc(); 403 CPDF_Page* pPage = (CPDF_Page*)page; 404 CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, FALSE); 405 if(pPageView) 406 { 407 CPDFDoc_Environment *pEnv = pSDKDoc->GetEnv(); 408 ASSERT(pEnv != NULL); 409 410 CPDFSDK_ActionHandler *pActionHandler = pEnv->GetActionHander(); 411 ASSERT(pActionHandler != NULL); 412 413 CPDF_Dictionary *pPageDict = pPage->m_pFormDict; 414 ASSERT(pPageDict != NULL); 415 416 CPDF_AAction aa = pPageDict->GetDict(FX_BSTRC("AA")); 417 418 FX_BOOL bExistOAAction = FALSE; 419 FX_BOOL bExistCAAction = FALSE; 420 if (FPDFPAGE_AACTION_OPEN == aaType) 421 { 422 bExistOAAction = aa.ActionExist(CPDF_AAction::OpenPage); 423 if (bExistOAAction) 424 { 425 CPDF_Action action = aa.GetAction(CPDF_AAction::OpenPage); 426 pActionHandler->DoAction_Page(action, CPDF_AAction::OpenPage, pSDKDoc); 427 } 428 } 429 else 430 { 431 bExistCAAction = aa.ActionExist(CPDF_AAction::ClosePage); 432 if (bExistCAAction) 433 { 434 CPDF_Action action = aa.GetAction(CPDF_AAction::ClosePage); 435 pActionHandler->DoAction_Page(action, CPDF_AAction::ClosePage, pSDKDoc); 436 } 437 } 438 } 439 } 440 441 442
