| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "../../public/fpdf_edit.h" |
| #include "../include/fsdk_define.h" |
| |
| #if _FX_OS_ == _FX_ANDROID_ |
| #include "time.h" |
| #else |
| #include <ctime> |
| #endif |
| |
| DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_CreateNewDocument() { |
| CPDF_Document* pDoc = new CPDF_Document; |
| pDoc->CreateNewDoc(); |
| time_t currentTime; |
| |
| CFX_ByteString DateStr; |
| |
| if (FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) { |
| if (-1 != time(¤tTime)) { |
| tm* pTM = localtime(¤tTime); |
| if (pTM) { |
| DateStr.Format("D:%04d%02d%02d%02d%02d%02d", pTM->tm_year + 1900, |
| pTM->tm_mon + 1, pTM->tm_mday, pTM->tm_hour, pTM->tm_min, |
| pTM->tm_sec); |
| } |
| } |
| } |
| |
| CPDF_Dictionary* pInfoDict = NULL; |
| pInfoDict = pDoc->GetInfo(); |
| if (pInfoDict) { |
| if (FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) |
| pInfoDict->SetAt("CreationDate", new CPDF_String(DateStr)); |
| pInfoDict->SetAt("Creator", new CPDF_String(L"PDFium")); |
| } |
| |
| return pDoc; |
| } |
| |
| DLLEXPORT void STDCALL FPDFPage_Delete(FPDF_DOCUMENT document, int page_index) { |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| if (pDoc == NULL) |
| return; |
| if (page_index < 0 || page_index >= pDoc->GetPageCount()) |
| return; |
| |
| pDoc->DeletePage(page_index); |
| } |
| |
| DLLEXPORT FPDF_PAGE STDCALL FPDFPage_New(FPDF_DOCUMENT document, |
| int page_index, |
| double width, |
| double height) { |
| if (!document) |
| return NULL; |
| |
| // CPDF_Parser* pParser = (CPDF_Parser*)document; |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| if (page_index < 0) |
| page_index = 0; |
| if (pDoc->GetPageCount() < page_index) |
| page_index = pDoc->GetPageCount(); |
| // if (page_index < 0 || page_index >= pDoc->GetPageCount()) |
| // return NULL; |
| |
| CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index); |
| if (!pPageDict) |
| return NULL; |
| CPDF_Array* pMediaBoxArray = new CPDF_Array; |
| pMediaBoxArray->Add(new CPDF_Number(0)); |
| pMediaBoxArray->Add(new CPDF_Number(0)); |
| pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width))); |
| pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height))); |
| |
| pPageDict->SetAt("MediaBox", pMediaBoxArray); |
| pPageDict->SetAt("Rotate", new CPDF_Number(0)); |
| pPageDict->SetAt("Resources", new CPDF_Dictionary); |
| |
| CPDF_Page* pPage = new CPDF_Page; |
| pPage->Load(pDoc, pPageDict); |
| pPage->ParseContent(); |
| |
| return pPage; |
| } |
| |
| DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page) { |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || |
| !pPage->m_pFormDict->GetElement("Type")->GetDirect() || |
| pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare( |
| "Page")) { |
| return -1; |
| } |
| CPDF_Dictionary* pDict = pPage->m_pFormDict; |
| |
| int rotate = 0; |
| if (pDict != NULL) { |
| if (pDict->KeyExist("Rotate")) |
| rotate = pDict->GetElement("Rotate")->GetDirect() |
| ? pDict->GetElement("Rotate")->GetDirect()->GetInteger() / 90 |
| : 0; |
| else { |
| if (pDict->KeyExist("Parent")) { |
| CPDF_Dictionary* pPages = |
| (CPDF_Dictionary*)pDict->GetElement("Parent")->GetDirect(); |
| while (pPages) { |
| if (pPages->KeyExist("Rotate")) { |
| rotate = |
| pPages->GetElement("Rotate")->GetDirect() |
| ? pPages->GetElement("Rotate")->GetDirect()->GetInteger() / |
| 90 |
| : 0; |
| break; |
| } else if (pPages->KeyExist("Parent")) |
| pPages = |
| (CPDF_Dictionary*)pPages->GetElement("Parent")->GetDirect(); |
| else |
| break; |
| } |
| } |
| } |
| } else { |
| return -1; |
| } |
| |
| return rotate; |
| } |
| |
| DLLEXPORT void STDCALL FPDFPage_InsertObject(FPDF_PAGE page, |
| FPDF_PAGEOBJECT page_obj) { |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || |
| !pPage->m_pFormDict->GetElement("Type")->GetDirect() || |
| pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare( |
| "Page")) { |
| return; |
| } |
| CPDF_PageObject* pPageObj = (CPDF_PageObject*)page_obj; |
| if (pPageObj == NULL) |
| return; |
| FX_POSITION LastPersition = pPage->GetLastObjectPosition(); |
| |
| pPage->InsertObject(LastPersition, pPageObj); |
| switch (pPageObj->m_Type) { |
| case FPDF_PAGEOBJ_PATH: { |
| CPDF_PathObject* pPathObj = (CPDF_PathObject*)pPageObj; |
| pPathObj->CalcBoundingBox(); |
| break; |
| } |
| case FPDF_PAGEOBJ_TEXT: { |
| // CPDF_PathObject* pPathObj = (CPDF_PathObject*)pPageObj; |
| // pPathObj->CalcBoundingBox(); |
| break; |
| } |
| case FPDF_PAGEOBJ_IMAGE: { |
| CPDF_ImageObject* pImageObj = (CPDF_ImageObject*)pPageObj; |
| pImageObj->CalcBoundingBox(); |
| break; |
| } |
| case FPDF_PAGEOBJ_SHADING: { |
| CPDF_ShadingObject* pShadingObj = (CPDF_ShadingObject*)pPageObj; |
| pShadingObj->CalcBoundingBox(); |
| break; |
| } |
| case FPDF_PAGEOBJ_FORM: { |
| CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj; |
| pFormObj->CalcBoundingBox(); |
| break; |
| } |
| default: |
| break; |
| } |
| |
| // pPage->ParseContent(); |
| // pPage->GenerateContent(); |
| } |
| |
| DLLEXPORT int STDCALL FPDFPage_CountObject(FPDF_PAGE page) { |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || |
| !pPage->m_pFormDict->GetElement("Type")->GetDirect() || |
| pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare( |
| "Page")) { |
| return -1; |
| } |
| return pPage->CountObjects(); |
| // return 0; |
| } |
| |
| DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPage_GetObject(FPDF_PAGE page, |
| int index) { |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || |
| pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare( |
| "Page")) { |
| return NULL; |
| } |
| return pPage->GetObjectByIndex(index); |
| // return NULL; |
| } |
| |
| DLLEXPORT FPDF_BOOL STDCALL FPDFPage_HasTransparency(FPDF_PAGE page) { |
| if (!page) |
| return FALSE; |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| |
| return pPage->BackgroundAlphaNeeded(); |
| } |
| |
| DLLEXPORT FPDF_BOOL STDCALL |
| FPDFPageObj_HasTransparency(FPDF_PAGEOBJECT pageObject) { |
| if (!pageObject) |
| return FALSE; |
| CPDF_PageObject* pPageObj = (CPDF_PageObject*)pageObject; |
| |
| const CPDF_GeneralStateData* pGeneralState = pPageObj->m_GeneralState; |
| int blend_type = |
| pGeneralState ? pGeneralState->m_BlendType : FXDIB_BLEND_NORMAL; |
| if (blend_type != FXDIB_BLEND_NORMAL) |
| return TRUE; |
| |
| CPDF_Dictionary* pSMaskDict = |
| pGeneralState ? (CPDF_Dictionary*)pGeneralState->m_pSoftMask : NULL; |
| if (pSMaskDict) |
| return TRUE; |
| |
| if (pGeneralState && pGeneralState->m_FillAlpha != 1.0f) |
| return TRUE; |
| |
| if (pPageObj->m_Type == PDFPAGE_PATH) { |
| if (pGeneralState && pGeneralState->m_StrokeAlpha != 1.0f) |
| return TRUE; |
| } |
| |
| if (pPageObj->m_Type == PDFPAGE_FORM) { |
| CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj; |
| if (pFormObj->m_pForm && |
| (pFormObj->m_pForm->m_Transparency & PDFTRANS_ISOLATED)) |
| return TRUE; |
| if (pFormObj->m_pForm && |
| (!(pFormObj->m_pForm->m_Transparency & PDFTRANS_ISOLATED) && |
| (pFormObj->m_pForm->m_Transparency & PDFTRANS_GROUP))) |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GenerateContent(FPDF_PAGE page) { |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || |
| !pPage->m_pFormDict->GetElement("Type")->GetDirect() || |
| pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare( |
| "Page")) { |
| return FALSE; |
| } |
| CPDF_PageContentGenerate CG(pPage); |
| CG.GenerateContent(); |
| |
| return TRUE; |
| } |
| |
| DLLEXPORT void STDCALL FPDFPageObj_Transform(FPDF_PAGEOBJECT page_object, |
| double a, |
| double b, |
| double c, |
| double d, |
| double e, |
| double f) { |
| CPDF_PageObject* pPageObj = (CPDF_PageObject*)page_object; |
| if (pPageObj == NULL) |
| return; |
| CFX_AffineMatrix matrix((FX_FLOAT)a, (FX_FLOAT)b, (FX_FLOAT)c, (FX_FLOAT)d, |
| (FX_FLOAT)e, (FX_FLOAT)f); |
| pPageObj->Transform(matrix); |
| } |
| DLLEXPORT void STDCALL FPDFPage_TransformAnnots(FPDF_PAGE page, |
| double a, |
| double b, |
| double c, |
| double d, |
| double e, |
| double f) { |
| if (page == NULL) |
| return; |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| CPDF_AnnotList AnnotList(pPage); |
| for (int i = 0; i < AnnotList.Count(); i++) { |
| CPDF_Annot* pAnnot = AnnotList.GetAt(i); |
| // transformAnnots Rectangle |
| CPDF_Rect rect; |
| pAnnot->GetRect(rect); |
| CFX_AffineMatrix matrix((FX_FLOAT)a, (FX_FLOAT)b, (FX_FLOAT)c, (FX_FLOAT)d, |
| (FX_FLOAT)e, (FX_FLOAT)f); |
| rect.Transform(&matrix); |
| CPDF_Array* pRectArray = NULL; |
| pRectArray = pAnnot->GetAnnotDict()->GetArray("Rect"); |
| if (!pRectArray) |
| pRectArray = CPDF_Array::Create(); |
| pRectArray->SetAt(0, new CPDF_Number(rect.left)); |
| pRectArray->SetAt(1, new CPDF_Number(rect.bottom)); |
| pRectArray->SetAt(2, new CPDF_Number(rect.right)); |
| pRectArray->SetAt(3, new CPDF_Number(rect.top)); |
| pAnnot->GetAnnotDict()->SetAt("Rect", pRectArray); |
| |
| // Transform AP's rectangle |
| // To Do |
| } |
| } |
| |
| DLLEXPORT void STDCALL FPDFPage_SetRotation(FPDF_PAGE page, int rotate) { |
| CPDF_Page* pPage = (CPDF_Page*)page; |
| if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || |
| !pPage->m_pFormDict->GetElement("Type")->GetDirect() || |
| pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare( |
| "Page")) { |
| return; |
| } |
| CPDF_Dictionary* pDict = pPage->m_pFormDict; |
| rotate %= 4; |
| |
| pDict->SetAt("Rotate", new CPDF_Number(rotate * 90)); |
| } |