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/fpdfdoc/fpdf_doc.h" 8 CPDF_FormControl::CPDF_FormControl(CPDF_FormField* pField, CPDF_Dictionary* pWidgetDict) 9 { 10 m_pField = pField; 11 m_pWidgetDict = pWidgetDict; 12 m_pForm = m_pField->m_pForm; 13 } 14 CFX_FloatRect CPDF_FormControl::GetRect() 15 { 16 return m_pWidgetDict->GetRect("Rect"); 17 } 18 CFX_ByteString CPDF_FormControl::GetOnStateName() 19 { 20 ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton); 21 CFX_ByteString csOn; 22 CPDF_Dictionary* pAP = m_pWidgetDict->GetDict("AP"); 23 if (pAP == NULL) { 24 return csOn; 25 } 26 CPDF_Dictionary* pN = pAP->GetDict("N"); 27 if (pN == NULL) { 28 return csOn; 29 } 30 FX_POSITION pos = pN->GetStartPos(); 31 while (pos) { 32 pN->GetNextElement(pos, csOn); 33 if (csOn != "Off") { 34 return csOn; 35 } 36 } 37 return CFX_ByteString(); 38 } 39 void CPDF_FormControl::SetOnStateName(const CFX_ByteString& csOn) 40 { 41 ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton); 42 CFX_ByteString csValue = csOn; 43 if (csValue.IsEmpty()) { 44 csValue = "Yes"; 45 } 46 if (csValue == "Off") { 47 csValue = "Yes"; 48 } 49 CFX_ByteString csAS = m_pWidgetDict->GetString("AS", "Off"); 50 if (csAS != "Off") { 51 m_pWidgetDict->SetAtName("AS", csValue); 52 } 53 CPDF_Dictionary* pAP = m_pWidgetDict->GetDict("AP"); 54 if (pAP == NULL) { 55 return; 56 } 57 FX_POSITION pos1 = pAP->GetStartPos(); 58 while (pos1) { 59 CFX_ByteString csKey1; 60 CPDF_Object* pObj1 = pAP->GetNextElement(pos1, csKey1); 61 if (pObj1 == NULL) { 62 continue; 63 } 64 CPDF_Object* pObjDirect1 = pObj1->GetDirect(); 65 if (pObjDirect1->GetType() != PDFOBJ_DICTIONARY) { 66 continue; 67 } 68 CPDF_Dictionary* pSubDict = (CPDF_Dictionary*)pObjDirect1; 69 FX_POSITION pos2 = pSubDict->GetStartPos(); 70 while (pos2) { 71 CFX_ByteString csKey2; 72 CPDF_Object* pObj2 = pSubDict->GetNextElement(pos2, csKey2); 73 if (pObj2 == NULL) { 74 continue; 75 } 76 if (csKey2 != "Off") { 77 pSubDict->ReplaceKey(csKey2, csValue); 78 break; 79 } 80 } 81 } 82 } 83 CFX_ByteString CPDF_FormControl::GetCheckedAPState() 84 { 85 ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton); 86 CFX_ByteString csOn = GetOnStateName(); 87 if (GetType() == CPDF_FormField::RadioButton || GetType() == CPDF_FormField::CheckBox) { 88 CPDF_Object* pOpt = FPDF_GetFieldAttr(m_pField->m_pDict, "Opt"); 89 if (pOpt != NULL && pOpt->GetType() == PDFOBJ_ARRAY) { 90 int iIndex = m_pField->GetControlIndex(this); 91 csOn.Format("%d", iIndex); 92 } 93 } 94 if (csOn.IsEmpty()) { 95 csOn = "Yes"; 96 } 97 return csOn; 98 } 99 CFX_WideString CPDF_FormControl::GetExportValue() 100 { 101 ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton); 102 CFX_ByteString csOn = GetOnStateName(); 103 if (GetType() == CPDF_FormField::RadioButton || GetType() == CPDF_FormField::CheckBox) { 104 CPDF_Object* pOpt = FPDF_GetFieldAttr(m_pField->m_pDict, "Opt"); 105 if (pOpt != NULL && pOpt->GetType() == PDFOBJ_ARRAY) { 106 int iIndex = m_pField->GetControlIndex(this); 107 csOn = ((CPDF_Array*)pOpt)->GetString(iIndex); 108 } 109 } 110 if (csOn.IsEmpty()) { 111 csOn = "Yes"; 112 } 113 CFX_WideString csWOn = PDF_DecodeText(csOn); 114 return csWOn; 115 } 116 FX_BOOL CPDF_FormControl::IsChecked() 117 { 118 ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton); 119 CFX_ByteString csOn = GetOnStateName(); 120 CFX_ByteString csAS = m_pWidgetDict->GetString("AS"); 121 return csAS == csOn; 122 } 123 FX_BOOL CPDF_FormControl::IsDefaultChecked() 124 { 125 ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton); 126 CPDF_Object* pDV = FPDF_GetFieldAttr(m_pField->m_pDict, "DV"); 127 if (pDV == NULL) { 128 return FALSE; 129 } 130 CFX_ByteString csDV = pDV->GetString(); 131 CFX_ByteString csOn = GetOnStateName(); 132 return (csDV == csOn); 133 } 134 void CPDF_FormControl::CheckControl(FX_BOOL bChecked) 135 { 136 ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton); 137 CFX_ByteString csOn = GetOnStateName(); 138 CFX_ByteString csOldAS = m_pWidgetDict->GetString("AS", "Off"); 139 CFX_ByteString csAS = "Off"; 140 if (bChecked) { 141 csAS = csOn; 142 } 143 if (csOldAS == csAS) { 144 return; 145 } 146 m_pWidgetDict->SetAtName("AS", csAS); 147 m_pForm->m_bUpdated = TRUE; 148 } 149 CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, CPDF_Annot::AppearanceMode mode); 150 void CPDF_FormControl::DrawControl(CFX_RenderDevice* pDevice, CFX_AffineMatrix* pMatrix, CPDF_Page* pPage, 151 CPDF_Annot::AppearanceMode mode, const CPDF_RenderOptions* pOptions) 152 { 153 if (m_pWidgetDict->GetInteger("F") & ANNOTFLAG_HIDDEN) { 154 return; 155 } 156 CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pWidgetDict, mode); 157 if (pStream == NULL) { 158 return; 159 } 160 CFX_FloatRect form_bbox = pStream->GetDict()->GetRect("BBox"); 161 CFX_AffineMatrix form_matrix = pStream->GetDict()->GetMatrix("Matrix"); 162 form_matrix.TransformRect(form_bbox); 163 CFX_FloatRect arect = m_pWidgetDict->GetRect("Rect"); 164 CFX_AffineMatrix matrix; 165 matrix.MatchRect(arect, form_bbox); 166 matrix.Concat(*pMatrix); 167 CPDF_Form form(m_pField->m_pForm->m_pDocument, m_pField->m_pForm->m_pFormDict->GetDict("DR"), pStream); 168 form.ParseContent(NULL, NULL, NULL, NULL); 169 CPDF_RenderContext context; 170 context.Create(pPage); 171 context.DrawObjectList(pDevice, &form, &matrix, pOptions); 172 } 173 const FX_CHAR* g_sHighlightingMode[] = {"N", "I", "O", "P", "T", ""}; 174 CPDF_FormControl::HighlightingMode CPDF_FormControl::GetHighlightingMode() 175 { 176 if (m_pWidgetDict == NULL) { 177 return Invert; 178 } 179 CFX_ByteString csH = m_pWidgetDict->GetString("H", "I"); 180 int i = 0; 181 while (g_sHighlightingMode[i][0] != '\0') { 182 if (csH.Equal(g_sHighlightingMode[i])) { 183 return (HighlightingMode)i; 184 } 185 i ++; 186 } 187 return Invert; 188 } 189 CPDF_ApSettings CPDF_FormControl::GetMK(FX_BOOL bCreate) 190 { 191 if (!m_pWidgetDict) { 192 return NULL; 193 } 194 CPDF_ApSettings mk = m_pWidgetDict->GetDict(FX_BSTRC("MK")); 195 if (!mk && bCreate) { 196 mk = CPDF_Dictionary::Create(); 197 if (mk == NULL) { 198 return NULL; 199 } 200 m_pWidgetDict->SetAt(FX_BSTRC("MK"), mk); 201 } 202 return mk; 203 } 204 FX_BOOL CPDF_FormControl::HasMKEntry(CFX_ByteString csEntry) 205 { 206 CPDF_ApSettings mk = GetMK(FALSE); 207 return mk.HasMKEntry(csEntry); 208 } 209 int CPDF_FormControl::GetRotation() 210 { 211 CPDF_ApSettings mk = GetMK(FALSE); 212 return mk.GetRotation(); 213 } 214 FX_ARGB CPDF_FormControl::GetColor(int& iColorType, CFX_ByteString csEntry) 215 { 216 CPDF_ApSettings mk = GetMK(FALSE); 217 return mk.GetColor(iColorType, csEntry); 218 } 219 FX_FLOAT CPDF_FormControl::GetOriginalColor(int index, CFX_ByteString csEntry) 220 { 221 CPDF_ApSettings mk = GetMK(FALSE); 222 return mk.GetOriginalColor(index, csEntry); 223 } 224 void CPDF_FormControl::GetOriginalColor(int& iColorType, FX_FLOAT fc[4], CFX_ByteString csEntry) 225 { 226 CPDF_ApSettings mk = GetMK(FALSE); 227 mk.GetOriginalColor(iColorType, fc, csEntry); 228 } 229 CFX_WideString CPDF_FormControl::GetCaption(CFX_ByteString csEntry) 230 { 231 CPDF_ApSettings mk = GetMK(FALSE); 232 return mk.GetCaption(csEntry); 233 } 234 CPDF_Stream* CPDF_FormControl::GetIcon(CFX_ByteString csEntry) 235 { 236 CPDF_ApSettings mk = GetMK(FALSE); 237 return mk.GetIcon(csEntry); 238 } 239 CPDF_IconFit CPDF_FormControl::GetIconFit() 240 { 241 CPDF_ApSettings mk = GetMK(FALSE); 242 return mk.GetIconFit(); 243 } 244 int CPDF_FormControl::GetTextPosition() 245 { 246 CPDF_ApSettings mk = GetMK(FALSE); 247 return mk.GetTextPosition(); 248 } 249 CPDF_Action CPDF_FormControl::GetAction() 250 { 251 if (!m_pWidgetDict) { 252 return CPDF_Action(); 253 } 254 if (m_pWidgetDict->KeyExist("A")) { 255 return CPDF_Action(m_pWidgetDict->GetDict("A")); 256 } 257 CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "A"); 258 if (!pObj) { 259 return CPDF_Action(); 260 } 261 return CPDF_Action(pObj->GetDict()); 262 } 263 CPDF_AAction CPDF_FormControl::GetAdditionalAction() 264 { 265 if (m_pWidgetDict == NULL) { 266 return NULL; 267 } 268 if (m_pWidgetDict->KeyExist("AA")) { 269 return m_pWidgetDict->GetDict("AA"); 270 } else { 271 return m_pField->GetAdditionalAction(); 272 } 273 } 274 CPDF_DefaultAppearance CPDF_FormControl::GetDefaultAppearance() 275 { 276 if (m_pWidgetDict == NULL) { 277 return CFX_ByteString(); 278 } 279 if (m_pWidgetDict->KeyExist("DA")) { 280 return m_pWidgetDict->GetString("DA"); 281 } else { 282 CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "DA"); 283 if (pObj == NULL) { 284 return m_pField->m_pForm->GetDefaultAppearance(); 285 } 286 return pObj->GetString(); 287 } 288 } 289 CPDF_Font* CPDF_FormControl::GetDefaultControlFont() 290 { 291 CPDF_DefaultAppearance cDA = GetDefaultAppearance(); 292 CFX_ByteString csFontNameTag; 293 FX_FLOAT fFontSize; 294 cDA.GetFont(csFontNameTag, fFontSize); 295 if (csFontNameTag.IsEmpty()) { 296 return NULL; 297 } 298 CPDF_Object* pObj = FPDF_GetFieldAttr(m_pWidgetDict, "DR"); 299 if (pObj != NULL && pObj->GetType() == PDFOBJ_DICTIONARY) { 300 CPDF_Dictionary* pFonts = ((CPDF_Dictionary*)pObj)->GetDict("Font"); 301 if (pFonts != NULL) { 302 CPDF_Dictionary *pElement = pFonts->GetDict(csFontNameTag); 303 CPDF_Font *pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement); 304 if (pFont != NULL) { 305 return pFont; 306 } 307 } 308 } 309 CPDF_Font *pFont = m_pField->m_pForm->GetFormFont(csFontNameTag); 310 if (pFont != NULL) { 311 return pFont; 312 } 313 CPDF_Dictionary *pPageDict = m_pWidgetDict->GetDict("P"); 314 pObj = FPDF_GetFieldAttr(pPageDict, "Resources"); 315 if (pObj != NULL && pObj->GetType() == PDFOBJ_DICTIONARY) { 316 CPDF_Dictionary* pFonts = ((CPDF_Dictionary*)pObj)->GetDict("Font"); 317 if (pFonts != NULL) { 318 CPDF_Dictionary *pElement = pFonts->GetDict(csFontNameTag); 319 CPDF_Font *pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement); 320 if (pFont != NULL) { 321 return pFont; 322 } 323 } 324 } 325 return NULL; 326 } 327 int CPDF_FormControl::GetControlAlignment() 328 { 329 if (m_pWidgetDict == NULL) { 330 return 0; 331 } 332 if (m_pWidgetDict->KeyExist("Q")) { 333 return m_pWidgetDict->GetInteger("Q", 0); 334 } else { 335 CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "Q"); 336 if (pObj == NULL) { 337 return m_pField->m_pForm->GetFormAlignment(); 338 } 339 return pObj->GetInteger(); 340 } 341 } 342 FX_BOOL CPDF_ApSettings::HasMKEntry(FX_BSTR csEntry) 343 { 344 if (m_pDict == NULL) { 345 return FALSE; 346 } 347 return m_pDict->KeyExist(csEntry); 348 } 349 int CPDF_ApSettings::GetRotation() 350 { 351 if (m_pDict == NULL) { 352 return 0; 353 } 354 return m_pDict->GetInteger(FX_BSTRC("R")); 355 } 356 FX_ARGB CPDF_ApSettings::GetColor(int& iColorType, FX_BSTR csEntry) 357 { 358 iColorType = COLORTYPE_TRANSPARENT; 359 if (m_pDict == NULL) { 360 return 0; 361 } 362 FX_ARGB color = 0; 363 CPDF_Array* pEntry = m_pDict->GetArray(csEntry); 364 if (pEntry == NULL) { 365 return color; 366 } 367 FX_DWORD dwCount = pEntry->GetCount(); 368 if (dwCount == 1) { 369 iColorType = COLORTYPE_GRAY; 370 FX_FLOAT g = pEntry->GetNumber(0) * 255; 371 color = ArgbEncode(255, (int)g, (int)g, (int)g); 372 } else if (dwCount == 3) { 373 iColorType = COLORTYPE_RGB; 374 FX_FLOAT r = pEntry->GetNumber(0) * 255; 375 FX_FLOAT g = pEntry->GetNumber(1) * 255; 376 FX_FLOAT b = pEntry->GetNumber(2) * 255; 377 color = ArgbEncode(255, (int)r, (int)g, (int)b); 378 } else if (dwCount == 4) { 379 iColorType = COLORTYPE_CMYK; 380 FX_FLOAT c = pEntry->GetNumber(0); 381 FX_FLOAT m = pEntry->GetNumber(1); 382 FX_FLOAT y = pEntry->GetNumber(2); 383 FX_FLOAT k = pEntry->GetNumber(3); 384 FX_FLOAT r = 1.0f - FX_MIN(1.0f, c + k); 385 FX_FLOAT g = 1.0f - FX_MIN(1.0f, m + k); 386 FX_FLOAT b = 1.0f - FX_MIN(1.0f, y + k); 387 color = ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255)); 388 } 389 return color; 390 } 391 FX_FLOAT CPDF_ApSettings::GetOriginalColor(int index, FX_BSTR csEntry) 392 { 393 if (m_pDict == NULL) { 394 return 0; 395 } 396 CPDF_Array* pEntry = m_pDict->GetArray(csEntry); 397 if (pEntry != NULL) { 398 return pEntry->GetNumber(index); 399 } 400 return 0; 401 } 402 void CPDF_ApSettings::GetOriginalColor(int& iColorType, FX_FLOAT fc[4], FX_BSTR csEntry) 403 { 404 iColorType = COLORTYPE_TRANSPARENT; 405 for (int i = 0; i < 4; i ++) { 406 fc[i] = 0; 407 } 408 if (m_pDict == NULL) { 409 return; 410 } 411 CPDF_Array* pEntry = m_pDict->GetArray(csEntry); 412 if (pEntry == NULL) { 413 return; 414 } 415 FX_DWORD dwCount = pEntry->GetCount(); 416 if (dwCount == 1) { 417 iColorType = COLORTYPE_GRAY; 418 fc[0] = pEntry->GetNumber(0); 419 } else if (dwCount == 3) { 420 iColorType = COLORTYPE_RGB; 421 fc[0] = pEntry->GetNumber(0); 422 fc[1] = pEntry->GetNumber(1); 423 fc[2] = pEntry->GetNumber(2); 424 } else if (dwCount == 4) { 425 iColorType = COLORTYPE_CMYK; 426 fc[0] = pEntry->GetNumber(0); 427 fc[1] = pEntry->GetNumber(1); 428 fc[2] = pEntry->GetNumber(2); 429 fc[3] = pEntry->GetNumber(3); 430 } 431 } 432 CFX_WideString CPDF_ApSettings::GetCaption(FX_BSTR csEntry) 433 { 434 CFX_WideString csCaption; 435 if (m_pDict == NULL) { 436 return csCaption; 437 } 438 return m_pDict->GetUnicodeText(csEntry); 439 } 440 CPDF_Stream* CPDF_ApSettings::GetIcon(FX_BSTR csEntry) 441 { 442 if (m_pDict == NULL) { 443 return NULL; 444 } 445 return m_pDict->GetStream(csEntry); 446 } 447 CPDF_IconFit CPDF_ApSettings::GetIconFit() 448 { 449 if (m_pDict == NULL) { 450 return NULL; 451 } 452 return m_pDict->GetDict(FX_BSTRC("IF")); 453 } 454 int CPDF_ApSettings::GetTextPosition() 455 { 456 if (m_pDict == NULL) { 457 return TEXTPOS_CAPTION; 458 } 459 return m_pDict->GetInteger(FX_BSTRC("TP"), TEXTPOS_CAPTION); 460 } 461
