晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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/*
 *******************************************************************************
 *
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html#License
 *
 *******************************************************************************
 *******************************************************************************
 *
 *   Copyright (C) 1999-2007, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  Paragraph.h
 *
 *   created on: 09/06/2000
 *   created by: Eric R. Mader
 */
#ifndef __PARAGRAPH_H
#define __PARAGRAPH_H

#include "unicode/utypes.h"
#include "unicode/ubidi.h"

#include "layout/LEFontInstance.h"
#include "layout/ParagraphLayout.h"

#include "GUISupport.h"
#include "RenderingSurface.h"

U_NAMESPACE_USE

#define MARGIN 10

#if 0
class LineInfo;
#endif

class Paragraph
{
public:
    Paragraph(const LEUnicode chars[], le_int32 charCount, const FontRuns *fontRuns, LEErrorCode &status);

    ~Paragraph();

    le_int32 getAscent();
    le_int32 getLineHeight();
    le_int32 getLineCount();
    void breakLines(le_int32 width, le_int32 height);
    void draw(RenderingSurface *surface, le_int32 firstLine, le_int32 lastLine);

    static Paragraph *paragraphFactory(const char *fileName, const LEFontInstance *font, GUISupport *guiSupport);

private:
    void addLine(const ParagraphLayout::Line *line);

    ParagraphLayout **fParagraphLayout;

    le_int32          fParagraphCount;
    le_int32          fParagraphMax;
    le_int32          fParagraphGrow;
    
    le_int32          fLineCount;
    le_int32          fLinesMax;
    le_int32          fLinesGrow;

    const ParagraphLayout::Line **fLines;
          LEUnicode *fChars;

    le_int32         fLineHeight;
    le_int32         fAscent;
    le_int32         fWidth;
    le_int32         fHeight;
    UBiDiLevel       fParagraphLevel;
};

inline le_int32 Paragraph::getLineHeight()
{
    return fLineHeight;
}

inline le_int32 Paragraph::getLineCount()
{
    return fLineCount;
}

inline le_int32 Paragraph::getAscent()
{
    return fAscent;
}

#endif