CN1388462A - 嵌入式应用以笔划中心线为基准描述的曲线字库 - Google Patents
嵌入式应用以笔划中心线为基准描述的曲线字库 Download PDFInfo
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
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- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/24—Generation of individual character patterns
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
Claims (10)
- 一种嵌入式应用以笔划中心线为基准描述的曲线字库,其特征在于:1.一种基于笔划中心线的笔划库,每一个笔划根据其形状分为若干笔划段,分别为笔划头段、正常段、拐段和为尾段,正常段和拐段可以有若干段,先用直线或贝塞尔曲线描述该笔划的中心线的各笔划段,又以该笔划中心线各段的关健点为各笔划段的控制点,各笔划段以各段控制点为基准的相对位置描述各笔划段的轮廓曲线;笔划数据为不等长,用尾段数据位标示该笔划结束;笔划库的数据格式为:字体所含笔划总数:占2个字节;笔划头数据:笔划总数*4得到的字节,每个笔划占用4个字节,前3个字节为各笔划数据位置指针,后一个字节描述曲率变化的占4位的方式和占4位的段号;笔划数据:含笔划各段中心线数据、笔划各段轮廓线数据。每种不同的字体笔划数不同,一般在1000个左右,每个笔划数据的长度一般在20~100字节左右。
- 2.一种由笔划直接构造的字库,其数据格式为:相对于文件头的笔划库数据起始位置:4字节;笔划库所含汉字或字符,总数:4字节;汉字或字符索引表:4乘所含汉字或字符总数得到的字节,每个字占4字节,前一个字节为该字所用笔划数,后3个字节为构成该汉字的各笔划的描述参数数据的位置指针;参数数据:8*形成该汉字或字符的笔划数得到的字节,每个笔划参数数据为8个字节,分别为:占2字节笔划号、占1字节厚度系数、占2字节笔划位置、占12位的笔划放大缩小系数、占12位的笔划曲率变化增量;笔划库:如前1中所描述笔划库数据格式;
- 3.一种由笔划构造的汉字部件库,其数据格式为:部件库所含最多笔数构造的部件的笔划:4字节,一般为20~29,即一个部件最多由20~29个笔划构成,部件的排列是按1笔划部件、2笔划部件、直到20~29笔划部件依次排列;N笔划部件索引表:设最多笔划数为N,各笔划数所构造的部件数据的位置指针占4*N字节,每种笔划数部件位置占4字节,分别为1笔划部件位置、2笔划部件位置直到N笔划部件位置,每笔划数部件有若干个,从1号到到该笔划数部件总数为止排序,每个2笔划部件参数数据占2*8个字节,每个3笔划部件参数数据占3*8个字节,依此类推;参数数据:8*形成该部件的笔划数得到的字节,每个笔划参数数据为8个字节,分别为:占2字节的笔划号、占2字节的厚度系数、占2字节的笔划位置、占12字节的笔划放大缩小系数、占12字节的笔划曲率变化增量;
- 4.一种由部件生成的汉字库,其数据格式为:版本信息:4字节,前2字节为公司标志简称,第三字节为字体标志,第四字节字符集标志;字参数区起始位置:4字节;部件参数区起始位置:4字节;笔划数据区起始位置:4字节;字索引数据表:4*总字数加1的和得到的字节,第一个4字节为总字数,以后每4字节表示每个字的索引,其中前3个字节表示字参数数据位置,后1字节为构成该字的部件数;字参数数据:描述构成字的每一个部件的参数占6个字节,分别为占11位的部件号、该部件所含占5位的笔划数、占2字节的部件位置、占12位的部件缩小放大系数、占6位的部件的厚度系数;部件参数数据:参见3;笔划库:参见1;
- 5.多字体紧凑共享格式字库,各种字体构成每一个字的部件号是相同的,各种字体构成部件的笔划号是相同的,这一部分数据只要在一种基本字体中描述,而其他字体共享这部分数据,其数据格式描述如下:基本字体的格式已在一、4中描述;其他字体的数据格式描述如下:字参数区起始位置:4字节;部件参数区起始位置:4字节;笔划数据区起始位置:4字节;字索引数据表:4*(总字数加1的和得到的字节,第一个4字节为总字数,以后每4字节表示每个字的索引,其中前3个字节表示字参数数据位置,后1字节为构成该字的部件数;字参数数据:描述构成字的每一个部件的参数占4个字节,分别为、占2字节的部件位置、占12位的部件缩小放大系数、占6位的部件的厚度系数;部件参数数据:参见3,但去掉笔划号;笔划库:参见1;
- 6.以笔划中心线为基准描述的曲线字库之笔划还原解释器;
- 7.以笔划中心线为基准描述的曲线字库之笔划组字还原解释器;
- 8.以笔划中心线为基准描述的曲线字库之笔划组部件还原解释器;
- 9.以笔划中心线为基准描述的曲线字库之部件组字还原解释器;
- 10.以笔划中心线为基准描述的曲线字库之多字体部分共享数据的还原解释器。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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CNB021038244A CN1159666C (zh) | 2002-03-29 | 2002-03-29 | 基于笔划中心线技术的曲线字形的还原显示方法 |
AU2003221239A AU2003221239A1 (en) | 2002-03-29 | 2003-03-28 | Embedded curve chinese character library described based on stroke central line |
EP03711808A EP1517231A4 (en) | 2002-03-29 | 2003-03-28 | CHINESE DRAWING LIBRARY WITH EMBEDDED CURVE, DESCRIBED BASED ON THE BARRIER LINE |
PCT/CN2003/000230 WO2003083640A2 (fr) | 2002-03-29 | 2003-03-28 | Banque de caracteres chinois a courbes integrees decrites sur la base de l'axe de reference |
JP2003580999A JP2005521903A (ja) | 2002-03-29 | 2003-03-28 | ストローク中心線技術に基づく曲線字形の復元表示方法 |
KR1020047015463A KR100643849B1 (ko) | 2002-03-29 | 2003-03-28 | 스트로크 중심선에 기초하여 표시되는 내장형 곡선의중문라이브러리 |
US10/509,142 US7437384B2 (en) | 2002-03-29 | 2003-03-28 | Revivifivation display method for outline fonts based on stroke centerlines technology |
CA002480653A CA2480653A1 (en) | 2002-03-29 | 2003-03-28 | Revivifivation display method for outline fonts based on stroke centerlines technology |
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CNB021038244A CN1159666C (zh) | 2002-03-29 | 2002-03-29 | 基于笔划中心线技术的曲线字形的还原显示方法 |
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CN1159666C CN1159666C (zh) | 2004-07-28 |
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US (1) | US7437384B2 (zh) |
EP (1) | EP1517231A4 (zh) |
JP (1) | JP2005521903A (zh) |
KR (1) | KR100643849B1 (zh) |
CN (1) | CN1159666C (zh) |
AU (1) | AU2003221239A1 (zh) |
CA (1) | CA2480653A1 (zh) |
WO (1) | WO2003083640A2 (zh) |
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CN1998024B (zh) * | 2004-07-23 | 2010-10-06 | 夏普株式会社 | 显示装置、程序以及记录介质 |
CN102292721A (zh) * | 2009-01-26 | 2011-12-21 | 三菱电机株式会社 | 将空心字符转换成风格化笔画字符的方法 |
CN101594480B (zh) * | 2008-05-30 | 2013-06-05 | 新奥特(北京)视频技术有限公司 | 一种字幕数据处理的方法 |
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2002
- 2002-03-29 CN CNB021038244A patent/CN1159666C/zh not_active Expired - Fee Related
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2003
- 2003-03-28 KR KR1020047015463A patent/KR100643849B1/ko not_active IP Right Cessation
- 2003-03-28 EP EP03711808A patent/EP1517231A4/en not_active Withdrawn
- 2003-03-28 CA CA002480653A patent/CA2480653A1/en not_active Abandoned
- 2003-03-28 US US10/509,142 patent/US7437384B2/en not_active Expired - Fee Related
- 2003-03-28 JP JP2003580999A patent/JP2005521903A/ja active Pending
- 2003-03-28 AU AU2003221239A patent/AU2003221239A1/en not_active Abandoned
- 2003-03-28 WO PCT/CN2003/000230 patent/WO2003083640A2/zh active Application Filing
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CN100476799C (zh) * | 2007-06-15 | 2009-04-08 | 中国科学院软件研究所 | 字库字形标准性的检测方法 |
CN101594480B (zh) * | 2008-05-30 | 2013-06-05 | 新奥特(北京)视频技术有限公司 | 一种字幕数据处理的方法 |
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US7437384B2 (en) | 2008-10-14 |
US20050234899A1 (en) | 2005-10-20 |
CA2480653A1 (en) | 2003-10-09 |
CN1159666C (zh) | 2004-07-28 |
EP1517231A4 (en) | 2010-04-14 |
KR20050012228A (ko) | 2005-01-31 |
KR100643849B1 (ko) | 2006-11-10 |
WO2003083640A2 (fr) | 2003-10-09 |
JP2005521903A (ja) | 2005-07-21 |
AU2003221239A1 (en) | 2003-10-13 |
EP1517231A1 (en) | 2005-03-23 |
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