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 "../../public/fpdf_edit.h" 8 #include "../include/fsdk_define.h" 9 10 11 #if _FX_OS_ == _FX_ANDROID_ 12 #include "time.h" 13 #else 14 #include <ctime> 15 #endif 16 17 DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_CreateNewDocument() 18 { 19 CPDF_Document* pDoc = new CPDF_Document; 20 pDoc->CreateNewDoc(); 21 time_t currentTime; 22 23 CFX_ByteString DateStr; 24 25 if(FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) 26 { 27 if ( -1 != time( ¤tTime ) ) 28 { 29 tm * pTM = localtime( ¤tTime ); 30 if ( pTM ) 31 { 32 DateStr.Format( "D:%04d%02d%02d%02d%02d%02d", pTM->tm_year+1900, pTM->tm_mon+1, 33 pTM->tm_mday, pTM->tm_hour, pTM->tm_min, pTM->tm_sec ); 34 } 35 } 36 } 37 38 CPDF_Dictionary* pInfoDict = NULL; 39 pInfoDict = pDoc->GetInfo(); 40 if (pInfoDict) 41 { 42 if(FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) 43 pInfoDict->SetAt("CreationDate", new CPDF_String(DateStr)); 44 pInfoDict->SetAt("Creator", new CPDF_String(L"PDFium")); 45 } 46 47 return pDoc; 48 } 49 50 DLLEXPORT void STDCALL FPDFPage_Delete(FPDF_DOCUMENT document, int page_index) 51 { 52 CPDF_Document* pDoc = (CPDF_Document*)document; 53 if (pDoc == NULL) 54 return; 55 if (page_index < 0 || page_index >= pDoc->GetPageCount()) 56 return; 57 58 pDoc->DeletePage(page_index); 59 } 60 61 DLLEXPORT FPDF_PAGE STDCALL FPDFPage_New(FPDF_DOCUMENT document, int page_index, double width, double height) 62 { 63 if (!document) 64 return NULL; 65 66 // CPDF_Parser* pParser = (CPDF_Parser*)document; 67 CPDF_Document* pDoc = (CPDF_Document*)document; 68 if(page_index < 0) 69 page_index = 0; 70 if(pDoc->GetPageCount()<page_index) 71 page_index = pDoc->GetPageCount(); 72 // if (page_index < 0 || page_index >= pDoc->GetPageCount()) 73 // return NULL; 74 75 CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index); 76 if(!pPageDict) 77 return NULL; 78 CPDF_Array* pMediaBoxArray = new CPDF_Array; 79 pMediaBoxArray->Add(new CPDF_Number(0)); 80 pMediaBoxArray->Add(new CPDF_Number(0)); 81 pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width))); 82 pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height))); 83 84 pPageDict->SetAt("MediaBox", pMediaBoxArray); 85 pPageDict->SetAt("Rotate", new CPDF_Number(0)); 86 pPageDict->SetAt("Resources", new CPDF_Dictionary); 87 88 CPDF_Page* pPage = new CPDF_Page; 89 pPage->Load(pDoc,pPageDict); 90 pPage->ParseContent(); 91 92 return pPage; 93 } 94 95 DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page) 96 { 97 CPDF_Page* pPage = (CPDF_Page*)page; 98 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || !pPage->m_pFormDict->GetElement("Type")->GetDirect() 99 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page")) 100 { 101 return -1; 102 } 103 CPDF_Dictionary* pDict = pPage->m_pFormDict; 104 105 int rotate = 0; 106 if(pDict != NULL) 107 { 108 if (pDict->KeyExist("Rotate")) 109 rotate = pDict->GetElement("Rotate")->GetDirect()? pDict->GetElement("Rotate")->GetDirect()->GetInteger() / 90 : 0; 110 else 111 { 112 if(pDict->KeyExist("Parent")) 113 { 114 CPDF_Dictionary* pPages = (CPDF_Dictionary*)pDict->GetElement("Parent")->GetDirect(); 115 while(pPages) 116 { 117 if(pPages->KeyExist("Rotate")) 118 { 119 rotate = pPages->GetElement("Rotate")->GetDirect()? pPages->GetElement("Rotate")->GetDirect()->GetInteger() / 90 : 0; 120 break; 121 } 122 else if(pPages->KeyExist("Parent")) 123 pPages = (CPDF_Dictionary*)pPages->GetElement("Parent")->GetDirect(); 124 else break; 125 } 126 } 127 } 128 } 129 else 130 { 131 return -1; 132 } 133 134 return rotate; 135 } 136 137 DLLEXPORT void STDCALL FPDFPage_InsertObject(FPDF_PAGE page, FPDF_PAGEOBJECT page_obj) 138 { 139 CPDF_Page* pPage = (CPDF_Page*)page; 140 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || !pPage->m_pFormDict->GetElement("Type")->GetDirect() 141 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page")) 142 { 143 return; 144 } 145 CPDF_PageObject* pPageObj = (CPDF_PageObject*)page_obj; 146 if(pPageObj == NULL) 147 return; 148 FX_POSITION LastPersition = pPage->GetLastObjectPosition(); 149 150 pPage->InsertObject(LastPersition, pPageObj); 151 switch(pPageObj->m_Type) 152 { 153 case FPDF_PAGEOBJ_PATH: 154 { 155 CPDF_PathObject* pPathObj = (CPDF_PathObject*)pPageObj; 156 pPathObj->CalcBoundingBox(); 157 break; 158 } 159 case FPDF_PAGEOBJ_TEXT: 160 { 161 // CPDF_PathObject* pPathObj = (CPDF_PathObject*)pPageObj; 162 // pPathObj->CalcBoundingBox(); 163 break; 164 } 165 case FPDF_PAGEOBJ_IMAGE: 166 { 167 CPDF_ImageObject* pImageObj = (CPDF_ImageObject*)pPageObj; 168 pImageObj->CalcBoundingBox(); 169 break; 170 } 171 case FPDF_PAGEOBJ_SHADING: 172 { 173 CPDF_ShadingObject* pShadingObj = (CPDF_ShadingObject*)pPageObj; 174 pShadingObj->CalcBoundingBox(); 175 break; 176 } 177 case FPDF_PAGEOBJ_FORM: 178 { 179 CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj; 180 pFormObj->CalcBoundingBox(); 181 break; 182 } 183 default: 184 break; 185 } 186 187 // pPage->ParseContent(); 188 //pPage->GenerateContent(); 189 190 } 191 192 DLLEXPORT int STDCALL FPDFPage_CountObject(FPDF_PAGE page) 193 { 194 CPDF_Page* pPage = (CPDF_Page*)page; 195 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || !pPage->m_pFormDict->GetElement("Type")->GetDirect() 196 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page")) 197 { 198 return -1; 199 } 200 return pPage->CountObjects(); 201 // return 0; 202 } 203 204 DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPage_GetObject(FPDF_PAGE page, int index) 205 { 206 CPDF_Page* pPage = (CPDF_Page*)page; 207 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") 208 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page")) 209 { 210 return NULL; 211 } 212 return pPage->GetObjectByIndex(index); 213 // return NULL; 214 } 215 216 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_HasTransparency(FPDF_PAGE page) 217 { 218 if(!page) return FALSE; 219 CPDF_Page* pPage = (CPDF_Page*)page; 220 221 return pPage->BackgroundAlphaNeeded(); 222 } 223 224 DLLEXPORT FPDF_BOOL STDCALL FPDFPageObj_HasTransparency(FPDF_PAGEOBJECT pageObject) 225 { 226 if(!pageObject) return FALSE; 227 CPDF_PageObject* pPageObj = (CPDF_PageObject*)pageObject; 228 229 const CPDF_GeneralStateData* pGeneralState = pPageObj->m_GeneralState; 230 int blend_type = pGeneralState ? pGeneralState->m_BlendType : FXDIB_BLEND_NORMAL; 231 if (blend_type != FXDIB_BLEND_NORMAL) return TRUE; 232 233 CPDF_Dictionary* pSMaskDict = pGeneralState ? (CPDF_Dictionary*)pGeneralState->m_pSoftMask : NULL; 234 if(pSMaskDict) return TRUE; 235 236 if(pGeneralState && pGeneralState->m_FillAlpha != 1.0f) 237 return TRUE; 238 239 if(pPageObj->m_Type == PDFPAGE_PATH) 240 { 241 if(pGeneralState && pGeneralState->m_StrokeAlpha != 1.0f) 242 return TRUE; 243 } 244 245 if(pPageObj->m_Type == PDFPAGE_FORM) 246 { 247 CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj; 248 if(pFormObj->m_pForm && (pFormObj->m_pForm->m_Transparency & PDFTRANS_ISOLATED)) 249 return TRUE; 250 if(pFormObj->m_pForm && (!(pFormObj->m_pForm->m_Transparency & PDFTRANS_ISOLATED) && (pFormObj->m_pForm->m_Transparency & PDFTRANS_GROUP))) 251 return TRUE; 252 } 253 return FALSE; 254 } 255 256 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GenerateContent(FPDF_PAGE page) 257 { 258 CPDF_Page* pPage = (CPDF_Page*)page; 259 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || !pPage->m_pFormDict->GetElement("Type")->GetDirect() 260 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page")) 261 { 262 return FALSE; 263 } 264 CPDF_PageContentGenerate CG(pPage); 265 CG.GenerateContent(); 266 267 return TRUE; 268 } 269 270 DLLEXPORT void STDCALL FPDFPageObj_Transform(FPDF_PAGEOBJECT page_object, 271 double a, double b, double c, double d, double e, double f) 272 { 273 CPDF_PageObject* pPageObj = (CPDF_PageObject*)page_object; 274 if(pPageObj == NULL) 275 return; 276 CFX_AffineMatrix matrix((FX_FLOAT)a,(FX_FLOAT)b,(FX_FLOAT)c,(FX_FLOAT)d,(FX_FLOAT)e,(FX_FLOAT)f); 277 pPageObj->Transform(matrix); 278 } 279 DLLEXPORT void STDCALL FPDFPage_TransformAnnots(FPDF_PAGE page, 280 double a, double b, double c, double d, double e, double f) 281 { 282 if(page == NULL) 283 return; 284 CPDF_Page* pPage = (CPDF_Page*)page; 285 CPDF_AnnotList AnnotList(pPage); 286 for (int i=0; i<AnnotList.Count();i++) 287 { 288 CPDF_Annot* pAnnot = AnnotList.GetAt(i); 289 // transformAnnots Rectangle 290 CPDF_Rect rect; 291 pAnnot->GetRect(rect); 292 CFX_AffineMatrix matrix((FX_FLOAT)a,(FX_FLOAT)b,(FX_FLOAT)c,(FX_FLOAT)d,(FX_FLOAT)e,(FX_FLOAT)f); 293 rect.Transform(&matrix); 294 CPDF_Array *pRectArray = NULL; 295 pRectArray = pAnnot->m_pAnnotDict->GetArray("Rect"); 296 if (!pRectArray) pRectArray=CPDF_Array::Create(); 297 pRectArray->SetAt(0, new CPDF_Number(rect.left)); 298 pRectArray->SetAt(1, new CPDF_Number(rect.bottom)); 299 pRectArray->SetAt(2, new CPDF_Number(rect.right)); 300 pRectArray->SetAt(3, new CPDF_Number(rect.top)); 301 pAnnot->m_pAnnotDict->SetAt("Rect",pRectArray); 302 303 //Transform AP's rectangle 304 //To Do 305 } 306 307 } 308 309 DLLEXPORT void STDCALL FPDFPage_SetRotation(FPDF_PAGE page, int rotate) 310 { 311 CPDF_Page* pPage = (CPDF_Page*)page; 312 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || !pPage->m_pFormDict->GetElement("Type")->GetDirect() 313 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page")) 314 { 315 return; 316 } 317 CPDF_Dictionary* pDict = pPage->m_pFormDict; 318 rotate %=4; 319 320 pDict->SetAt("Rotate", new CPDF_Number(rotate * 90)); 321 } 322
