Redmine/vendor/plugins/rfpdf/lib/fpdf/japanese.rb

465 lines
11 KiB
Ruby

# Copyright (c) 2006 4ssoM LLC <www.4ssoM.com>
# 1.12 contributed by Ed Moss.
#
# The MIT License
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# This is direct port of japanese.php
#
# Japanese PDF support.
#
# Usage is as follows:
#
# require 'fpdf'
# require 'chinese'
# pdf = FPDF.new
# pdf.extend(PDF_Japanese)
#
# This allows it to be combined with other extensions, such as the bookmark
# module.
module PDF_Japanese
SJIS_widths={' ' => 278, '!' => 299, '"' => 353, '#' => 614, '$' => 614, '%' => 721, '&' => 735, '\'' => 216,
'(' => 323, ')' => 323, '*' => 449, '+' => 529, ',' => 219, '-' => 306, '.' => 219, '/' => 453, '0' => 614, '1' => 614,
'2' => 614, '3' => 614, '4' => 614, '5' => 614, '6' => 614, '7' => 614, '8' => 614, '9' => 614, ':' => 219, ';' => 219,
'<' => 529, '=' => 529, '>' => 529, '?' => 486, '@' => 744, 'A' => 646, 'B' => 604, 'C' => 617, 'D' => 681, 'E' => 567,
'F' => 537, 'G' => 647, 'H' => 738, 'I' => 320, 'J' => 433, 'K' => 637, 'L' => 566, 'M' => 904, 'N' => 710, 'O' => 716,
'P' => 605, 'Q' => 716, 'R' => 623, 'S' => 517, 'T' => 601, 'U' => 690, 'V' => 668, 'W' => 990, 'X' => 681, 'Y' => 634,
'Z' => 578, '[' => 316, '\\' => 614, ']' => 316, '^' => 529, '_' => 500, '`' => 387, 'a' => 509, 'b' => 566, 'c' => 478,
'd' => 565, 'e' => 503, 'f' => 337, 'g' => 549, 'h' => 580, 'i' => 275, 'j' => 266, 'k' => 544, 'l' => 276, 'm' => 854,
'n' => 579, 'o' => 550, 'p' => 578, 'q' => 566, 'r' => 410, 's' => 444, 't' => 340, 'u' => 575, 'v' => 512, 'w' => 760,
'x' => 503, 'y' => 529, 'z' => 453, '{' => 326, '|' => 380, '}' => 326, '~' => 387}
def AddCIDFont(family,style,name,cw,cMap,registry)
fontkey=family.downcase+style.upcase
unless @fonts[fontkey].nil?
Error("CID font already added: family style")
end
i=@fonts.length+1
@fonts[fontkey]={'i'=>i,'type'=>'Type0','name'=>name,'up'=>-120,'ut'=>40,'cw'=>cw,
'CMap'=>cMap,'registry'=>registry}
end
def AddCIDFonts(family,name,cw,cMap,registry)
AddCIDFont(family,'',name,cw,cMap,registry)
AddCIDFont(family,'B',name+',Bold',cw,cMap,registry)
AddCIDFont(family,'I',name+',Italic',cw,cMap,registry)
AddCIDFont(family,'BI',name+',BoldItalic',cw,cMap,registry)
end
def AddSJISFont(family='SJIS')
#Add SJIS font with proportional Latin
name='KozMinPro-Regular-Acro'
cw=SJIS_widths
cMap='90msp-RKSJ-H'
registry={'ordering'=>'Japan1','supplement'=>2}
AddCIDFonts(family,name,cw,cMap,registry)
end
def AddSJIShwFont(family='SJIS-hw')
#Add SJIS font with half-width Latin
name='KozMinPro-Regular-Acro'
32.upto(126) do |i|
cw[i.chr]=500
end
cMap='90ms-RKSJ-H'
registry={'ordering'=>'Japan1','supplement'=>2}
AddCIDFonts(family,name,cw,cMap,registry)
end
def GetStringWidth(s)
if(@current_font['type']=='Type0')
return GetSJISStringWidth(s)
else
return super(s)
end
end
def GetSJISStringWidth(s)
#SJIS version of GetStringWidth()
l=0
cw=@current_font['cw']
nb=s.length
i=0
while(i<nb)
o = s[i].is_a?(String) ? s[i].ord : s[i]
if(o<128)
#ASCII
l+=cw[o.chr] if cw[o.chr]
i+=1
elsif(o>=161 and o<=223)
#Half-width katakana
l+=500
i+=1
else
#Full-width character
l+=1000
i+=2
end
end
return l*@font_size/1000
end
def MultiCell(w,h,txt,border=0,align='L',fill=0)
if(@current_font['type']=='Type0')
SJISMultiCell(w,h,txt,border,align,fill)
else
super(w,h,txt,border,align,fill)
end
end
def SJISMultiCell(w,h,txt,border=0,align='L',fill=0)
#Output text with automatic or explicit line breaks
cw=@current_font['cw']
if(w==0)
w=@w-@r_margin-@x
end
wmax=(w-2*@c_margin)*1000/@font_size
s=txt.gsub("\r",'')
nb=s.length
if(nb>0 and s[nb-1]=="\n")
nb-=1
end
b=0
if(border)
if(border==1)
border='LTRB'
b='LRT'
b2='LR'
else
b2=''
b2='L' unless border.to_s.index('L').nil?
b2=b2+'R' unless border.to_s.index('R').nil?
b=(border.to_s.index('T')) ? (b2+'T') : b2
end
end
sep=-1
i=0
j=0
l=0
nl=1
while(i<nb)
#Get next character
c = s[i].is_a?(String) ? s[i].ord : s[i]
o=c #o=ord(c)
if(o==10)
#Explicit line break
Cell(w,h,s[j,i-j],b,2,align,fill)
i+=1
sep=-1
j=i
l=0
nl+=1
if(border and nl==2)
b=b2
end
next
end
if(o<128)
#ASCII
l+=cw[c.chr] || 0
n=1
if(o==32)
sep=i
end
elsif(o>=161 and o<=223)
#Half-width katakana
l+=500
n=1
sep=i
else
#Full-width character
l+=1000
n=2
sep=i
end
if(l>wmax)
#Automatic line break
if(sep==-1 or i==j)
if(i==j)
i+=n
end
Cell(w,h,s[j,i-j],b,2,align,fill)
else
Cell(w,h,s[j,sep-j],b,2,align,fill)
i=(s[sep].chr==' ') ? sep+1 : sep
end
sep=-1
j=i
l=0
nl+=1
if(border and nl==2)
b=b2
end
else
i+=n
if(o>=128)
sep=i
end
end
end
#Last chunk
if(border and not border.to_s.index('B').nil?)
b+='B'
end
Cell(w,h,s[j,i-j],b,2,align,fill)
@x=@l_margin
end
def Write(h,txt,link='')
if(@current_font['type']=='Type0')
SJISWrite(h,txt,link)
else
super(h,txt,link)
end
end
def SJISWrite(h,txt,link)
#SJIS version of Write()
cw=@current_font['cw']
w=@w-@r_margin-@x
wmax=(w-2*@c_margin)*1000/@font_size
s=txt.gsub("\r",'')
nb=s.length
sep=-1
i=0
j=0
l=0
nl=1
while(i<nb)
#Get next character
c = s[i].is_a?(String) ? s[i].ord : s[i]
o=c
if(o==10)
#Explicit line break
Cell(w,h,s[j,i-j],0,2,'',0,link)
i+=1
sep=-1
j=i
l=0
if(nl==1)
#Go to left margin
@x=@l_margin
w=@w-@r_margin-@x
wmax=(w-2*@c_margin)*1000/@font_size
end
nl+=1
next
end
if(o<128)
#ASCII
l+=cw[c.chr] || 0
n=1
if(o==32)
sep=i
end
elsif(o>=161 and o<=223)
#Half-width katakana
l+=500
n=1
sep=i
else
#Full-width character
l+=1000
n=2
sep=i
end
if(l>wmax)
#Automatic line break
if(sep==-1 or i==j)
if(@x>@l_margin)
#Move to next line
@x=@l_margin
@y+=h
w=@w-@r_margin-@x
wmax=(w-2*@c_margin)*1000/@font_size
i+=n
nl+=1
next
end
if(i==j)
i+=n
end
Cell(w,h,s[j,i-j],0,2,'',0,link)
else
Cell(w,h,s[j,sep-j],0,2,'',0,link)
i=(s[sep].chr==' ') ? sep+1 : sep
end
sep=-1
j=i
l=0
if(nl==1)
@x=@l_margin
w=@w-@r_margin-@x
wmax=(w-2*@c_margin)*1000/@font_size
end
nl+=1
else
i+=n
if(o>=128)
sep=i
end
end
end
#Last chunk
if(i!=j)
Cell(l/1000*@font_size,h,s[j,i-j],0,0,'',0,link)
end
end
private
def putfonts()
nf=@n
@diffs.each do |diff|
#Encodings
newobj()
out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['+diff+']>>')
out('endobj')
end
# mqr=get_magic_quotes_runtime()
# set_magic_quotes_runtime(0)
@font_files.each_pair do |file, info|
#Font file embedding
newobj()
@font_files[file]['n']=@n
if(defined('FPDF_FONTPATH'))
file=FPDF_FONTPATH+file
end
size=filesize(file)
if(!size)
Error('Font file not found')
end
out('<</Length '+size)
if(file[-2]=='.z')
out('/Filter /FlateDecode')
end
out('/Length1 '+info['length1'])
unless info['length2'].nil?
out('/Length2 '+info['length2']+' /Length3 0')
end
out('>>')
f=fopen(file,'rb')
putstream(fread(f,size))
fclose(f)
out('endobj')
end
# set_magic_quotes_runtime(mqr)
@fonts.each_pair do |k, font|
#Font objects
newobj()
@fonts[k]['n']=@n
out('<</Type /Font')
if(font['type']=='Type0')
putType0(font)
else
name=font['name']
out('/BaseFont /'+name)
if(font['type']=='core')
#Standard font
out('/Subtype /Type1')
if(name!='Symbol' and name!='ZapfDingbats')
out('/Encoding /WinAnsiEncoding')
end
else
#Additional font
out('/Subtype /'+font['type'])
out('/FirstChar 32')
out('/LastChar 255')
out('/Widths '+(@n+1)+' 0 R')
out('/FontDescriptor '+(@n+2)+' 0 R')
if(font['enc'])
if !font['diff'].nil?
out('/Encoding '+(nf+font['diff'])+' 0 R')
else
out('/Encoding /WinAnsiEncoding')
end
end
end
out('>>')
out('endobj')
if(font['type']!='core')
#Widths
newobj()
cw=font['cw']
s='['
32.upto(255) do |i|
s+=cw[i.chr]+' '
end
out(s+']')
out('endobj')
#Descriptor
newobj()
s='<</Type /FontDescriptor /FontName /'+name
font['desc'].each_pair do |k, v|
s+=' /'+k+' '+v
end
file=font['file']
if(file)
s+=' /FontFile'+(font['type']=='Type1' ? '' : '2')+' '+@font_files[file]['n']+' 0 R'
end
out(s+'>>')
out('endobj')
end
end
end
end
def putType0(font)
#Type0
out('/Subtype /Type0')
out('/BaseFont /'+font['name']+'-'+font['CMap'])
out('/Encoding /'+font['CMap'])
out('/DescendantFonts ['+(@n+1).to_s+' 0 R]')
out('>>')
out('endobj')
#CIDFont
newobj()
out('<</Type /Font')
out('/Subtype /CIDFontType0')
out('/BaseFont /'+font['name'])
out('/CIDSystemInfo <</Registry (Adobe) /Ordering ('+font['registry']['ordering']+') /Supplement '+font['registry']['supplement'].to_s+'>>')
out('/FontDescriptor '+(@n+1).to_s+' 0 R')
w='/W [1 ['
font['cw'].keys.sort.each {|key|
w+=font['cw'][key].to_s + " "
# ActionController::Base::logger.debug key.to_s
# ActionController::Base::logger.debug font['cw'][key].to_s
}
out(w+'] 231 325 500 631 [500] 326 389 500]')
out('>>')
out('endobj')
#Font descriptor
newobj()
out('<</Type /FontDescriptor')
out('/FontName /'+font['name'])
out('/Flags 6')
out('/FontBBox [0 -200 1000 900]')
out('/ItalicAngle 0')
out('/Ascent 800')
out('/Descent -200')
out('/CapHeight 800')
out('/StemV 60')
out('>>')
out('endobj')
end
end