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
18DLLEXPORT 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( &currentTime ) )
31		{
32			tm * pTM = localtime( &currentTime );
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
57DLLEXPORT 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
68DLLEXPORT 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
102DLLEXPORT 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
144DLLEXPORT 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
199DLLEXPORT 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
211DLLEXPORT 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
223DLLEXPORT 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
231DLLEXPORT 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
263DLLEXPORT 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
277DLLEXPORT 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}
287DLLEXPORT 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