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 "x:/pdf/fpdfapi5/include/fpdfapi.h"
8 #include "../include/fsdk_define.h"
9 #include "../include/fpdfedit.h"
10
11
12 #if _FX_OS_ == _FX_ANDROID_
13 #include "time.h"
14 #else
15 #include <ctime>
16 #endif
17
FPDF_CreateNewDocument()18 DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_CreateNewDocument()
19 {
20 CPDF_Document* pDoc = FX_NEW CPDF_Document;
21 if (!pDoc)
22 return NULL;
23 pDoc->CreateNewDoc();
24 time_t currentTime;
25
26 CFX_ByteString DateStr;
27
28 if(FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
29 {
30 if ( -1 != time( ¤tTime ) )
31 {
32 tm * pTM = localtime( ¤tTime );
33 if ( pTM )
34 {
35 DateStr.Format( "D:%04d%02d%02d%02d%02d%02d", pTM->tm_year+1900, pTM->tm_mon+1,
36 pTM->tm_mday, pTM->tm_hour, pTM->tm_min, pTM->tm_sec );
37 }
38 }
39 }
40
41 CPDF_Dictionary* pInfoDict = NULL;
42 pInfoDict = pDoc->GetInfo();
43 if (pInfoDict)
44 {
45 if(FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
46 pInfoDict->SetAt("CreationDate", new CPDF_String(DateStr));
47 #ifdef FOXIT_CHROME_BUILD
48 pInfoDict->SetAt("Creator",FX_NEW CPDF_String(L"Google"));
49 #else
50 pInfoDict->SetAt("Creator",FX_NEW CPDF_String(L"Foxit PDF SDK DLL 2.0 - Foxit Software"));
51 #endif
52 }
53
54 return pDoc;
55 }
56
FPDFPage_Delete(FPDF_DOCUMENT document,int page_index)57 DLLEXPORT void STDCALL FPDFPage_Delete(FPDF_DOCUMENT document, int page_index)
58 {
59 CPDF_Document* pDoc = (CPDF_Document*)document;
60 if (pDoc == NULL)
61 return;
62 if (page_index < 0 || page_index >= pDoc->GetPageCount())
63 return;
64
65 pDoc->DeletePage(page_index);
66 }
67
FPDFPage_New(FPDF_DOCUMENT document,int page_index,double width,double height)68 DLLEXPORT FPDF_PAGE STDCALL FPDFPage_New(FPDF_DOCUMENT document, int page_index, double width, double height)
69 {
70 if (!document)
71 return NULL;
72
73 // CPDF_Parser* pParser = (CPDF_Parser*)document;
74 CPDF_Document* pDoc = (CPDF_Document*)document;
75 if(page_index < 0)
76 page_index = 0;
77 if(pDoc->GetPageCount()<page_index)
78 page_index = pDoc->GetPageCount();
79 // if (page_index < 0 || page_index >= pDoc->GetPageCount())
80 // return NULL;
81
82 CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index);
83 if(!pPageDict)
84 return NULL;
85 CPDF_Array* pMediaBoxArray = FX_NEW CPDF_Array;
86 pMediaBoxArray->Add(FX_NEW CPDF_Number(0));
87 pMediaBoxArray->Add(FX_NEW CPDF_Number(0));
88 pMediaBoxArray->Add(FX_NEW CPDF_Number(FX_FLOAT(width)));
89 pMediaBoxArray->Add(FX_NEW CPDF_Number(FX_FLOAT(height)));
90
91 pPageDict->SetAt("MediaBox", pMediaBoxArray);
92 pPageDict->SetAt("Rotate", FX_NEW CPDF_Number(0));
93 pPageDict->SetAt("Resources", FX_NEW CPDF_Dictionary);
94
95 CPDF_Page* pPage = FX_NEW CPDF_Page;
96 pPage->Load(pDoc,pPageDict);
97 pPage->ParseContent();
98
99 return pPage;
100 }
101
FPDFPage_GetRotation(FPDF_PAGE page)102 DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page)
103 {
104 CPDF_Page* pPage = (CPDF_Page*)page;
105 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type")
106 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page"))
107 {
108 return -1;
109 }
110 CPDF_Dictionary* pDict = pPage->m_pFormDict;
111
112 int rotate = 0;
113 if(pDict != NULL)
114 {
115 if(pDict->KeyExist("Rotate"))
116 rotate = pDict->GetElement("Rotate")->GetDirect()->GetInteger() / 90;
117 else
118 {
119 if(pDict->KeyExist("Parent"))
120 {
121 CPDF_Dictionary* pPages = (CPDF_Dictionary*)pDict->GetElement("Parent")->GetDirect();
122 while(pPages)
123 {
124 if(pPages->KeyExist("Rotate"))
125 {
126 rotate = pPages->GetElement("Rotate")->GetDirect()->GetInteger() / 90;
127 break;
128 }
129 else if(pPages->KeyExist("Parent"))
130 pPages = (CPDF_Dictionary*)pPages->GetElement("Parent")->GetDirect();
131 else break;
132 }
133 }
134 }
135 }
136 else
137 {
138 return -1;
139 }
140
141 return rotate;
142 }
143
FPDFPage_InsertObject(FPDF_PAGE page,FPDF_PAGEOBJECT page_obj)144 DLLEXPORT void STDCALL FPDFPage_InsertObject(FPDF_PAGE page, FPDF_PAGEOBJECT page_obj)
145 {
146 CPDF_Page* pPage = (CPDF_Page*)page;
147 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type")
148 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page"))
149 {
150 return;
151 }
152 CPDF_PageObject* pPageObj = (CPDF_PageObject*)page_obj;
153 if(pPageObj == NULL)
154 return;
155 FX_POSITION LastPersition = pPage->GetLastObjectPosition();
156
157 pPage->InsertObject(LastPersition, pPageObj);
158 switch(pPageObj->m_Type)
159 {
160 case FPDF_PAGEOBJ_PATH:
161 {
162 CPDF_PathObject* pPathObj = (CPDF_PathObject*)pPageObj;
163 pPathObj->CalcBoundingBox();
164 break;
165 }
166 case FPDF_PAGEOBJ_TEXT:
167 {
168 // CPDF_PathObject* pPathObj = (CPDF_PathObject*)pPageObj;
169 // pPathObj->CalcBoundingBox();
170 break;
171 }
172 case FPDF_PAGEOBJ_IMAGE:
173 {
174 CPDF_ImageObject* pImageObj = (CPDF_ImageObject*)pPageObj;
175 pImageObj->CalcBoundingBox();
176 break;
177 }
178 case FPDF_PAGEOBJ_SHADING:
179 {
180 CPDF_ShadingObject* pShadingObj = (CPDF_ShadingObject*)pPageObj;
181 pShadingObj->CalcBoundingBox();
182 break;
183 }
184 case FPDF_PAGEOBJ_FORM:
185 {
186 CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj;
187 pFormObj->CalcBoundingBox();
188 break;
189 }
190 default:
191 break;
192 }
193
194 // pPage->ParseContent();
195 //pPage->GenerateContent();
196
197 }
198
FPDFPage_CountObject(FPDF_PAGE page)199 DLLEXPORT int STDCALL FPDFPage_CountObject(FPDF_PAGE page)
200 {
201 CPDF_Page* pPage = (CPDF_Page*)page;
202 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type")
203 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page"))
204 {
205 return -1;
206 }
207 return pPage->CountObjects();
208 // return 0;
209 }
210
FPDFPage_GetObject(FPDF_PAGE page,int index)211 DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPage_GetObject(FPDF_PAGE page, int index)
212 {
213 CPDF_Page* pPage = (CPDF_Page*)page;
214 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type")
215 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page"))
216 {
217 return NULL;
218 }
219 return pPage->GetObjectByIndex(index);
220 // return NULL;
221 }
222
FPDFPage_HasTransparency(FPDF_PAGE page)223 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_HasTransparency(FPDF_PAGE page)
224 {
225 if(!page) return FALSE;
226 CPDF_Page* pPage = (CPDF_Page*)page;
227
228 return pPage->BackgroundAlphaNeeded();
229 }
230
FPDFPageObj_HasTransparency(FPDF_PAGEOBJECT pageObject)231 DLLEXPORT FPDF_BOOL STDCALL FPDFPageObj_HasTransparency(FPDF_PAGEOBJECT pageObject)
232 {
233 if(!pageObject) return FALSE;
234 CPDF_PageObject* pPageObj = (CPDF_PageObject*)pageObject;
235
236 const CPDF_GeneralStateData* pGeneralState = pPageObj->m_GeneralState;
237 int blend_type = pGeneralState ? pGeneralState->m_BlendType : FXDIB_BLEND_NORMAL;
238 if (blend_type != FXDIB_BLEND_NORMAL) return TRUE;
239
240 CPDF_Dictionary* pSMaskDict = pGeneralState ? (CPDF_Dictionary*)pGeneralState->m_pSoftMask : NULL;
241 if(pSMaskDict) return TRUE;
242
243 if(pGeneralState && pGeneralState->m_FillAlpha != 1.0f)
244 return TRUE;
245
246 if(pPageObj->m_Type == PDFPAGE_PATH)
247 {
248 if(pGeneralState && pGeneralState->m_StrokeAlpha != 1.0f)
249 return TRUE;
250 }
251
252 if(pPageObj->m_Type == PDFPAGE_FORM)
253 {
254 CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj;
255 if(pFormObj->m_pForm && (pFormObj->m_pForm->m_Transparency & PDFTRANS_ISOLATED))
256 return TRUE;
257 if(pFormObj->m_pForm && (!(pFormObj->m_pForm->m_Transparency & PDFTRANS_ISOLATED) && (pFormObj->m_pForm->m_Transparency & PDFTRANS_GROUP)))
258 return TRUE;
259 }
260 return FALSE;
261 }
262
FPDFPage_GenerateContent(FPDF_PAGE page)263 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GenerateContent(FPDF_PAGE page)
264 {
265 CPDF_Page* pPage = (CPDF_Page*)page;
266 if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type")
267 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page"))
268 {
269 return FALSE;
270 }
271 CPDF_PageContentGenerate CG(pPage);
272 CG.GenerateContent();
273
274 return TRUE;
275 }
276
FPDFPageObj_Transform(FPDF_PAGEOBJECT page_object,double a,double b,double c,double d,double e,double f)277 DLLEXPORT void STDCALL FPDFPageObj_Transform(FPDF_PAGEOBJECT page_object,
278 double a, double b, double c, double d, double e, double f)
279 {
280 CPDF_PageObject* pPageObj = (CPDF_PageObject*)page_object;
281 if(pPageObj == NULL)
282 return;
283 //PDF_ImageObject* pImageObj = FX_NEW CPDF_ImageObject;
284 CFX_AffineMatrix matrix((FX_FLOAT)a,(FX_FLOAT)b,(FX_FLOAT)c,(FX_FLOAT)d,(FX_FLOAT)e,(FX_FLOAT)f);
285 pPageObj->Transform(matrix);
286 }
FPDFPage_TransformAnnots(FPDF_PAGE page,double a,double b,double c,double d,double e,double f)287 DLLEXPORT void STDCALL FPDFPage_TransformAnnots(FPDF_PAGE page,
288 double a, double b, double c, double d, double e, double f)
289 {
290 if(page == NULL)
291 return;
292 CPDF_Page* pPage = (CPDF_Page*)page;
293 CPDF_AnnotList AnnotList(pPage);
294 for (int i=0; i<AnnotList.Count();i++)
295 {
296 CPDF_Annot* pAnnot = AnnotList.GetAt(i);
297 // transformAnnots Rectangle
298 CPDF_Rect rect;
299 pAnnot->GetRect(rect);
300 CFX_AffineMatrix matrix((FX_FLOAT)a,(FX_FLOAT)b,(FX_FLOAT)c,(FX_FLOAT)d,(FX_FLOAT)e,(FX_FLOAT)f);
301 rect.Transform(&matrix);
302 CPDF_Array *pRectArray = NULL;
303 pRectArray = pAnnot->m_pAnnotDict->GetArray("Rect");
304 if (!pRectArray) pRectArray=CPDF_Array::Create();
305 pRectArray->SetAt(0,FX_NEW CPDF_Number(rect.left));
306 pRectArray->SetAt(1,FX_NEW CPDF_Number(rect.bottom));
307 pRectArray->SetAt(2,FX_NEW CPDF_Number(rect.right));
308 pRectArray->SetAt(3,FX_NEW CPDF_Number(rect.top));
309 pAnnot->m_pAnnotDict->SetAt("Rect",pRectArray);
310
311 //Transform AP's rectangle
312 //To Do
313
314 }
315
316 }
317