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
  27 struct HBox;
  28
  29 /**
  30  * etc flag
  31  * 0 bit : Use page columns
  32  * 1 bit : Use page lows
  33  * 2 bit : Use section break
  34  * 3 bit : Block start
  35  * 4 bit : In Block
  36  * 5 bit : Block end
  37  * 6 bit : Preserve widow orphan
  38  * 7 bit : Reserved
  39  */
  40 enum
  41 {
  42     PA_USER_COLUMN    =   1,
  43     PA_USER_PAGE      =   2,                      /* p user_page definition */
  44     PA_SECTION_BREAK  =   4,
  45     PA_BLOCK_BEGIN    =   8,
  46     PA_IN_BLOCK       =   16,
  47     PA_BLOCK_END      =   32,
  48     PA_WIDOW_ORPHAN   =   64
  49 };
  50
  51 class HWPPara;
  52 #define FIXED_SPACING_BIT (0x8000)
  53
  54 struct LineInfo
  55 {
  56 /* 시작하는 글자의 위치 : 콘트롤은 여러 길이를 가진다 */
  57 /**
  58  * Starting character position
  59  */
  60     unsigned short    pos;
  61     hunit         space_width;
  62     hunit         height;
  63     hunit         pgy;                            /* internal */
  64     hunit         sx;                             /* internal */
  65     hunit         psx;                            /* internal */
  66     hunit         pex;                            /* internal */
  67 // for formatting
  68     hunit         height_sp;
  69     unsigned short    softbreak;                  // column, page, section
  70
  71     bool  Read(HWPFile &hwpf, HWPPara *para);
  72 };
  73 /**
  74  * It represents the paragraph.
  75  * @short Paragraph
  76  */
  77 class DLLEXPORT HWPPara
  78 {
  79     private:
  80         HWPPara       *_next;
  81
  82     public:
  83 // paragraph information
  84 /**
  85  * Zero is for the new paragraph style.
  86  */
  87         unsigned char     reuse_shape;            /* 0이면 새모양 */
  88         unsigned short    nch;
  89         unsigned short    nline;
  90
  91 // realking
  92         hunit         begin_ypos;
  93         unsigned char     scflag;
  94
  95 /**
  96  * If the value is 0, all character of paragraph have same style given cshape
  97  */
  98         unsigned char     contain_cshape;         /* 0이면 모든 글자가 대표 글자 모양 */
  99         unsigned char     etcflag;
 100 /**
 101  * Checks the special characters in the paragraph
 102  */
 103         unsigned long     ctrlflag;
 104         unsigned char     pstyno;
 105         CharShape     cshape;                     /* 글자가 모두 같은 모양일때  */
 106         ParaShape     pshape;                     /* reuse flag가 0이면     */
 107         int           pno;                        /* run-time only      */
 108
 109         LineInfo      *linfo;
 110         CharShape     *cshapep;
 111 /**
 112  * Box object list
 113  */
 114         HBox          **hhstr;
 115
 116         HWPPara(void);
 117         ~HWPPara(void);
 118
 119         bool  Read(HWPFile &hwpf, unsigned char flag = 0);
 120         int   Write(CTextOut &txtf);
 121         int   Write(CHTMLOut &html);
 122
 123         void  SetNext(HWPPara *n) { _next = n; };
 124
 125 /* layout을 위한 함수 */
 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 previous paragraph.
 137  */
 138         HWPPara *Prev(void);
 139 /**
 140  * Returns next paragraph.
 141  */
 142         HWPPara *Next(void) { return _next;}
 143
 144         int HomePos(int line) const;
 145         int EndPos(int line) const;
 146         int LineLen(int line) const;
 147
 148     private:
 149         HBox *readHBox(HWPFile &);
 150 };
 151
 152 // inline functions
 153
 154 inline int HWPPara::HomePos(int line) const
 155 {
 156     if( nline < line + 1 ) return nch;
 157     return linfo[line].pos;
 158 }
 159
 160
 161 inline int HWPPara::EndPos(int line) const
 162 {
 163     if( nline <= line + 1 ) return nch;
 164     else return HomePos(line + 1);
 165 }
 166
 167
 168 inline int HWPPara::LineLen(int line) const
 169 {
 170     return EndPos(line) - HomePos(line);
 171 }
 172 #endif // INCLUDED_HWPFILTER_SOURCE_HPARA_H
 173
 174 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */