hwpfilter/source/hpara.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_HWPFILTER_SOURCE_HPARA_H
  21 #define INCLUDED_HWPFILTER_SOURCE_HPARA_H
  22
  23 #include "hwplib.h"
  24 #include "hwpfile.h"
  25 #include "hinfo.h"
  26 #include <map>
  27 #include <memory>
  28 #include <vector>
  29
  30 struct HBox;
  31
  32 /**
  33  * etc flag
  34  * 0 bit : Use page columns
  35  * 1 bit : Use page lows
  36  * 2 bit : Use section break
  37  * 3 bit : Block start
  38  * 4 bit : In Block
  39  * 5 bit : Block end
  40  * 6 bit : Preserve widow orphan
  41  * 7 bit : Reserved
  42  */
  43 enum
  44 {
  45     PA_USER_COLUMN    =   1,
  46     PA_USER_PAGE      =   2,                      /* p user_page definition */
  47     PA_SECTION_BREAK  =   4,
  48     PA_BLOCK_BEGIN    =   8,
  49     PA_IN_BLOCK       =   16,
  50     PA_BLOCK_END      =   32,
  51     PA_WIDOW_ORPHAN   =   64
  52 };
  53
  54 class HWPPara;
  55 #define FIXED_SPACING_BIT (0x8000)
  56
  57 struct LineInfo
  58 {
  59 /* the position of the starting character: the control has a different length */
  60 /**
  61  * Starting character position
  62  */
  63     unsigned short    pos;
  64     hunit         space_width;
  65     hunit         height;
  66     hunit         pgy;                            /* internal */
  67     hunit         sx;                             /* internal */
  68     hunit         psx;                            /* internal */
  69     hunit         pex;                            /* internal */
  70 // for formatting
  71     hunit         height_sp;
  72     unsigned short    softbreak;                  // column, page, section
  73
  74     void  Read(HWPFile &hwpf, HWPPara const *para);
  75 };
  76 /**
  77  * It represents the paragraph.
  78  * @short Paragraph
  79  */
  80 class DLLEXPORT HWPPara
  81 {
  82     private:
  83         HWPPara       *_next;
  84
  85     public:
  86 // paragraph information
  87 /**
  88  * Zero is for the new paragraph style.
  89  */
  90         unsigned char     reuse_shape;            /* the new shape if 0 */
  91         unsigned short    nch;
  92         unsigned short    nline;
  93
  94 // realking
  95         hunit         begin_ypos;
  96         unsigned char     scflag;
  97
  98 /**
  99  * If the value is 0, all character of paragraph have same style given cshape
 100  */
 101         unsigned char     contain_cshape;         /* if it's 0, all the characters are representing with representative shape */
 102         unsigned char     etcflag;
 103 /**
 104  * Checks the special characters in the paragraph
 105  */
 106         unsigned long     ctrlflag;
 107         unsigned char     pstyno;
 108         std::shared_ptr<CharShape> cshape;                     /* When characters are all the same shape */
 109         std::shared_ptr<ParaShape> pshape;                     /* if reuse flag is 0, */
 110
 111         std::unique_ptr<LineInfo[]> linfo;
 112         std::vector<std::shared_ptr<CharShape>>   cshapep;
 113 /**
 114  * Box object list
 115  */
 116         std::map<unsigned short, std::unique_ptr<HBox>> hhstr;
 117
 118         HWPPara(void);
 119         ~HWPPara(void);
 120
 121         bool  Read(HWPFile &hwpf, unsigned char flag);
 122
 123         void  SetNext(HWPPara *n) { _next = n; };
 124
 125 /* Functions for layout */
 126 /**
 127  * Returns the character style of paragraph.
 128  */
 129         CharShape *GetCharShape(int pos);
 130 /**
 131  * Returns the style of paragraph.
 132  */
 133         ParaShape& GetParaShape(void) { return *pshape; }
 134
 135 /**
 136  * Returns next paragraph.
 137  */
 138         HWPPara *Next(void) { return _next;}
 139
 140     private:
 141         std::unique_ptr<HBox> readHBox(HWPFile &);
 142 };
 143
 144 #endif // INCLUDED_HWPFILTER_SOURCE_HPARA_H
 145
 146 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */