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

433 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 korean.php
#
# Korean PDF support.
#
# Usage is as follows:
#
# require 'fpdf'
# require 'chinese'
# pdf = FPDF.new
# pdf.extend(PDF_Korean)
#
# This allows it to be combined with other extensions, such as the bookmark
# module.
module PDF_Korean
UHC_widths={' ' => 333, '!' => 416, '"' => 416, '#' => 833, '$' => 625, '%' => 916, '&' => 833, '\'' => 250,
'(' => 500, ')' => 500, '*' => 500, '+' => 833, ',' => 291, '-' => 833, '.' => 291, '/' => 375, '0' => 625, '1' => 625,
'2' => 625, '3' => 625, '4' => 625, '5' => 625, '6' => 625, '7' => 625, '8' => 625, '9' => 625, ':' => 333, ';' => 333,
'<' => 833, '=' => 833, '>' => 916, '?' => 500, '@' => 1000, 'A' => 791, 'B' => 708, 'C' => 708, 'D' => 750, 'E' => 708,
'F' => 666, 'G' => 750, 'H' => 791, 'I' => 375, 'J' => 500, 'K' => 791, 'L' => 666, 'M' => 916, 'N' => 791, 'O' => 750,
'P' => 666, 'Q' => 750, 'R' => 708, 'S' => 666, 'T' => 791, 'U' => 791, 'V' => 750, 'W' => 1000, 'X' => 708, 'Y' => 708,
'Z' => 666, '[' => 500, '\\' => 375, ']' => 500, '^' => 500, '_' => 500, '`' => 333, 'a' => 541, 'b' => 583, 'c' => 541,
'd' => 583, 'e' => 583, 'f' => 375, 'g' => 583, 'h' => 583, 'i' => 291, 'j' => 333, 'k' => 583, 'l' => 291, 'm' => 875,
'n' => 583, 'o' => 583, 'p' => 583, 'q' => 583, 'r' => 458, 's' => 541, 't' => 375, 'u' => 583, 'v' => 583, 'w' => 833,
'x' => 625, 'y' => 625, 'z' => 500, '{' => 583, '|' => 583, '}' => 583, '~' => 750}
def AddCIDFont(family,style,name,cw,cMap,registry)
fontkey=family.downcase+style.upcase
unless @fonts[fontkey].nil?
Error("Font already added: family style")
end
i=@fonts.length+1
name=name.gsub(' ','')
@fonts[fontkey]={'i'=>i,'type'=>'Type0','name'=>name,'up'=>-130,'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 AddUHCFont(family='UHC',name='HYSMyeongJoStd-Medium-Acro')
#Add UHC font with proportional Latin
cw=UHC_widths
cMap='KSCms-UHC-H'
registry={'ordering'=>'Korea1','supplement'=>1}
AddCIDFonts(family,name,cw,cMap,registry)
end
def AddUHChwFont(family='UHC-hw',name='HYSMyeongJoStd-Medium-Acro')
#Add UHC font with half-witdh Latin
32.upto(126) do |i|
cw[i.chr]=500
end
cMap='KSCms-UHC-HW-H'
registry={'ordering'=>'Korea1','supplement'=>1}
AddCIDFonts(family,name,cw,cMap,registry)
end
def GetStringWidth(s)
if(@current_font['type']=='Type0')
return GetMBStringWidth(s)
else
return super(s)
end
end
def GetMBStringWidth(s)
#Multi-byte version of GetStringWidth()
l=0
cw=@current_font['cw']
nb=s.length
i=0
while(i<nb)
c = s[i].is_a?(String) ? s[i].ord : s[i]
if(c<128)
l+=cw[c.chr] if cw[c.chr]
i+=1
else
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')
MBMultiCell(w,h,txt,border,align,fill)
else
super(w,h,txt,border,align,fill)
end
end
def MBMultiCell(w,h,txt,border=0,align='L',fill=0)
#Multi-byte version of MultiCell()
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]
#Check if ASCII or MB
ascii=(c<128)
if(c.chr=="\n")
#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(!ascii)
sep=i
ls=l
elsif(c.chr==' ')
sep=i
ls=l
end
l+=(ascii ? cw[c.chr] : 1000) || 0
if(l>wmax)
#Automatic line break
if(sep==-1 or i==j)
if(i==j)
i+=ascii ? 1 : 2
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+=ascii ? 1 : 2
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')
MBWrite(h,txt,link)
else
super(h,txt,link)
end
end
def MBWrite(h,txt,link)
#Multi-byte 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]
#Check if ASCII or MB
ascii=(c<128)
if(c.chr=="\n")
#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)
@x=@l_margin
w=@w-@r_margin-@x
wmax=(w-2*@c_margin)*1000/@font_size
end
nl+=1
next
end
if(!ascii or c.chr==' ')
sep=i
end
l+=(ascii ? cw[c.chr] : 1000) || 0
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+=1
nl+=1
next
end
if(i==j)
i+=ascii ? 1 : 2
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+=ascii ? 1 : 2
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'])
if(not 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(not 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')
if(font['CMap']=='KSCms-UHC-HW-H')
w='8094 8190 500'
else
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
}
w +=']'
end
out('/W ['+w+']>>')
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 50')
out('>>')
out('endobj')
end
end