mirror of
https://github.com/ONLYOFFICE/core.git
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267 lines
8.9 KiB
C++
267 lines
8.9 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#ifndef _PDF_WRITER_SRC_PAGES_H
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#define _PDF_WRITER_SRC_PAGES_H
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#include "Objects.h"
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#include <vector>
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#ifdef DrawText
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#undef DrawText
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#endif
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namespace PdfWriter
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{
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class CXref;
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class CGrState;
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class CExtGrState;
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class CAnnotation;
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class CFontDict;
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class CXObject;
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class CImageDict;
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class CShading;
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class CImageTilePattern;
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class CDocument;
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class CTextLine;
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class CTextWord;
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class CFieldBase;
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class CPage;
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//----------------------------------------------------------------------------------------
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// CPageTree
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//----------------------------------------------------------------------------------------
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class CPageTree : public CDictObject
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{
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public:
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CPageTree(CXref* pXref);
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CPageTree();
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void Fix();
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void AddPage(CDictObject* pPage);
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CObjectBase* GetObj(int nPageIndex);
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CPage* GetPage(int nPageIndex);
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CObjectBase* RemovePage(int nPageIndex);
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bool InsertPage(int nPageIndex, CPage* pPage);
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bool Join(CPageTree* pPageTree);
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unsigned int GetCount()
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{
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return m_pCount ? m_pCount->Get() : 0;
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}
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EDictType GetDictType() const
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{
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return dict_type_PAGES;
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}
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private:
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CObjectBase* GetFromPageTree(int nPageIndex, int& nI, bool bRemove = false, bool bInsert = false, CPage* pPage = NULL);
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CNumberObject* m_pCount;
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CArrayObject* m_pPages;
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};
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//----------------------------------------------------------------------------------------
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// CPage
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//----------------------------------------------------------------------------------------
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class CPage : public CDictObject
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{
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public:
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CPage(CDocument* pDocument);
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CPage(CXref* pXref, CPageTree* pParent, CDocument* pDocument);
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~CPage();
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void Fix();
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void SetHeight(double dHeight);
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void SetWidth(double dWidth);
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double GetWidth();
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double GetHeight();
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EDictType GetDictType() const
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{
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return dict_type_PAGE;
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}
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void BeforeWrite();
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void MoveTo(double dX, double dY);
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void LineTo(double dX, double dY);
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void CurveTo(double dX1, double dY1, double dX2, double dY2, double dXe, double dYe);
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void Ellipse(double dX, double dY, double dXRay, double dYRay);
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void EllipseArcTo(double dX, double dY, double dXRad, double dYRad, double dAngle1, double dAngle2, bool bClockDirection = false);
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void ClosePath();
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void Stroke();
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void Fill();
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void EoFill();
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void FillStroke();
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void EoFillStroke();
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void EndPath();
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void Clip();
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void Eoclip();
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void SetLineWidth(double dLineWidth);
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void SetLineCap(ELineCapStyle eLineCap);
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void SetLineJoin(ELineJoinStyle eLineJoin);
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void SetMiterLimit(double dMiterLimit);
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void SetDash(const double* pPattern, unsigned int unCount, double dPhase);
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void SetFlat(double dFlatness);
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void GrSave();
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void GrRestore();
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void SetStrokeColor(unsigned char unR, unsigned char unG, unsigned char unB);
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void SetFillColor(unsigned char unR, unsigned char unG, unsigned char unB);
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void Concat(double dM11, double dM12, double dM21, double dM22, double dX, double dY);
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void SetTransform(double dM11, double dM12, double dM21, double dM22, double dX, double dY);
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void SetExtGrState(CExtGrState* pExtGrState);
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void AddAnnotation(CDictObject* pAnnot);
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void DeleteAnnotation(unsigned int nID);
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void DrawShading(CShading* pShading);
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void SetStrokeAlpha(unsigned char unAlpha);
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void SetFillAlpha(unsigned char unAlpha);
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void BeginText();
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void EndText();
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void MoveTextPos(double dX, double dY);
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void ShowText(const BYTE* sText, unsigned int unLen);
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void DrawText(double dX, double dY, const BYTE* sText, unsigned int unLen);
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void SetCharSpace(double dValue);
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void SetHorizontalScalling(double dValue);
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void SetFontAndSize(CFontDict* pFont, double dSize);
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void SetTextRenderingMode(ETextRenderingMode eMode);
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void SetTextMatrix(double dM11, double dM12, double dM21, double dM22, double dX, double dY);
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void DrawTextLine(const CTextLine* pTextLine);
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void ExecuteXObject(CXObject* pXObject);
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void DrawImage(CImageDict* pImage, double dX, double dY, double dWidth, double dHeight);
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void SetPatternColorSpace(CImageTilePattern* pPattern);
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void SetFilter(unsigned int unFiler);
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CMatrix* GetTransform();
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void AddGroup(CDictObject* pDict);
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void AddContents(CXref* pXref);
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void SetRotate(int nRotate);
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int GetRotate();
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private:
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void Init(CDocument* pDocument);
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void EllipseArc(double dX, double dY, double dXRad, double dYRad, double dAngle1, double dAngle2, bool bClockDirection);
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CArrayObject* GetMediaBoxItem();
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CDictObject* GetResourcesItem();
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CObjectBase* GetCropBoxItem();
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CObjectBase* GetRotateItem();
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TBox GetMediaBox();
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void SetMediaBoxValue(unsigned int unIndex, double dValue);
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void AddResource();
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void SetGrMode(EGrMode eMode);
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void CheckGrMode(EGrMode eMode);
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void WriteText(const BYTE* sText, unsigned int unLen);
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const char* GetExtGrStateName(CExtGrState* pState);
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const char* GetLocalFontName(CFontDict* pFont);
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const char* GetXObjectName(CXObject* pObject);
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const char* GetLocalShadingName(CShading* pShading);
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const char* GetLocalPatternName(CImageTilePattern* pPattern);
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private:
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CDocument* m_pDocument;
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CPageTree* m_pParent;
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CPoint m_oStartPos; // Позиция начала текущего пата
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CPoint m_oCurPos; // Текущая позиция пата
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CPoint m_oTextPos; // Текущая позиция текста
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CMatrix m_oTextMatrix;
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CArrayObject* m_pContents;
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CStream* m_pStream;
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unsigned int m_unCompressionMode;
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CDictObject* m_pExtGStates;
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unsigned int m_unExtGStatesCount;
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EGrMode m_eGrMode;
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CGrState* m_pGrState;
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CDictObject* m_pFonts;
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unsigned int m_unFontsCount;
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CFontDict* m_pFont; // Текущий шрифт
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CDictObject* m_pXObjects;
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unsigned int m_unXObjectsCount;
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CDictObject* m_pShadings;
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unsigned int m_unShadingsCount;
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CDictObject* m_pPatterns;
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unsigned int m_unPatternsCount;
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};
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//----------------------------------------------------------------------------------------
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// CTextWord
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//----------------------------------------------------------------------------------------
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class CTextWord
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{
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public:
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CTextWord();
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~CTextWord();
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bool Add(unsigned char* pCodes, unsigned int unLen, double dX, double dY, double dWidth);
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private:
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void CheckBuffer();
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private:
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unsigned char*m_pText;
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int m_nSize;
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int m_nIndex;
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double m_dStartX;
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double m_dStartY;
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double m_dCurX;
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friend class CTextLine;
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friend class CPage;
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};
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//----------------------------------------------------------------------------------------
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// CTextLine
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//----------------------------------------------------------------------------------------
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class CTextLine
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{
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public:
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CTextLine();
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~CTextLine();
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bool Add(unsigned char* pCodes, unsigned int unLen, double dX, double dY, double dWidth, double dFontSize);
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void Flush(CPage* pPage);
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private:
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void Clear();
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private:
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std::vector<CTextWord*> m_vWords;
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std::vector<double> m_vShifts;
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double m_dX;
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double m_dY;
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friend class CPage;
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};
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}
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#endif // _PDF_WRITER_SRC_PAGES_H
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