Chris@909: # Copyright (c) 2006 4ssoM LLC <www.4ssoM.com>
Chris@909: # 1.12 contributed by Ed Moss.
Chris@909: #
Chris@909: # The MIT License
Chris@909: #
Chris@909: # Permission is hereby granted, free of charge, to any person obtaining a copy
Chris@909: # of this software and associated documentation files (the "Software"), to deal
Chris@909: # in the Software without restriction, including without limitation the rights
Chris@909: # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Chris@909: # copies of the Software, and to permit persons to whom the Software is
Chris@909: # furnished to do so, subject to the following conditions:
Chris@909: #
Chris@909: # The above copyright notice and this permission notice shall be included in
Chris@909: # all copies or substantial portions of the Software.
Chris@909: #
Chris@909: # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Chris@909: # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Chris@909: # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
Chris@909: # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Chris@909: # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Chris@909: # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Chris@909: # THE SOFTWARE.
Chris@909: #
Chris@909: # This is direct port of korean.php
Chris@909: #
Chris@909: # Korean PDF support.
Chris@909: #
Chris@909: # Usage is as follows:
Chris@909: #
Chris@909: # require 'fpdf'
Chris@909: # require 'chinese'
Chris@909: # pdf = FPDF.new
Chris@909: # pdf.extend(PDF_Korean)
Chris@909: #
Chris@909: # This allows it to be combined with other extensions, such as the bookmark
Chris@909: # module.
Chris@909: 
Chris@909: module PDF_Korean
Chris@909: 
Chris@909: UHC_widths={' ' => 333, '!' => 416, '"' => 416, '#' => 833, '$' => 625, '%' => 916, '&' => 833, '\'' => 250, 
Chris@909: 	'(' => 500, ')' => 500, '*' => 500, '+' => 833, ',' => 291, '-' => 833, '.' => 291, '/' => 375, '0' => 625, '1' => 625, 
Chris@909: 	'2' => 625, '3' => 625, '4' => 625, '5' => 625, '6' => 625, '7' => 625, '8' => 625, '9' => 625, ':' => 333, ';' => 333, 
Chris@909: 	'<' => 833, '=' => 833, '>' => 916, '?' => 500, '@' => 1000, 'A' => 791, 'B' => 708, 'C' => 708, 'D' => 750, 'E' => 708, 
Chris@909: 	'F' => 666, 'G' => 750, 'H' => 791, 'I' => 375, 'J' => 500, 'K' => 791, 'L' => 666, 'M' => 916, 'N' => 791, 'O' => 750, 
Chris@909: 	'P' => 666, 'Q' => 750, 'R' => 708, 'S' => 666, 'T' => 791, 'U' => 791, 'V' => 750, 'W' => 1000, 'X' => 708, 'Y' => 708, 
Chris@909: 	'Z' => 666, '[' => 500, '\\' => 375, ']' => 500, '^' => 500, '_' => 500, '`' => 333, 'a' => 541, 'b' => 583, 'c' => 541, 
Chris@909: 	'd' => 583, 'e' => 583, 'f' => 375, 'g' => 583, 'h' => 583, 'i' => 291, 'j' => 333, 'k' => 583, 'l' => 291, 'm' => 875, 
Chris@909: 	'n' => 583, 'o' => 583, 'p' => 583, 'q' => 583, 'r' => 458, 's' => 541, 't' => 375, 'u' => 583, 'v' => 583, 'w' => 833, 
Chris@909: 	'x' => 625, 'y' => 625, 'z' => 500, '{' => 583, '|' => 583, '}' => 583, '~' => 750}
Chris@909: 
Chris@909:   def AddCIDFont(family,style,name,cw,cMap,registry)
Chris@909:     fontkey=family.downcase+style.upcase
Chris@909:     unless @fonts[fontkey].nil?
Chris@909:   		Error("Font already added: family style")
Chris@909:     end
Chris@909:   	i=@fonts.length+1
Chris@909:   	name=name.gsub(' ','')
Chris@909:   	@fonts[fontkey]={'i'=>i,'type'=>'Type0','name'=>name,'up'=>-130,'ut'=>40,'cw'=>cw,
Chris@909:   	  'CMap'=>cMap,'registry'=>registry}
Chris@909:   end
Chris@909: 
Chris@909:   def AddCIDFonts(family,name,cw,cMap,registry)
Chris@909:   	AddCIDFont(family,'',name,cw,cMap,registry)
Chris@909:   	AddCIDFont(family,'B',name+',Bold',cw,cMap,registry)
Chris@909:   	AddCIDFont(family,'I',name+',Italic',cw,cMap,registry)
Chris@909:   	AddCIDFont(family,'BI',name+',BoldItalic',cw,cMap,registry)
Chris@909:   end
Chris@909: 
Chris@909:   def AddUHCFont(family='UHC',name='HYSMyeongJoStd-Medium-Acro')
Chris@909:   	#Add UHC font with proportional Latin
Chris@909:   	cw=UHC_widths
Chris@909:   	cMap='KSCms-UHC-H'
Chris@909:   	registry={'ordering'=>'Korea1','supplement'=>1}
Chris@909:   	AddCIDFonts(family,name,cw,cMap,registry)
Chris@909:   end
Chris@909: 
Chris@909:   def AddUHChwFont(family='UHC-hw',name='HYSMyeongJoStd-Medium-Acro')
Chris@909:   	#Add UHC font with half-witdh Latin
Chris@909:     32.upto(126) do |i|
Chris@909:   		cw[i.chr]=500
Chris@909:     end
Chris@909:   	cMap='KSCms-UHC-HW-H'
Chris@909:   	registry={'ordering'=>'Korea1','supplement'=>1}
Chris@909:   	AddCIDFonts(family,name,cw,cMap,registry)
Chris@909:   end
Chris@909: 
Chris@909:   def GetStringWidth(s)
Chris@909:   	if(@current_font['type']=='Type0')
Chris@909:   		return GetMBStringWidth(s)
Chris@909:   	else
Chris@909:   		return super(s)
Chris@909:     end
Chris@909:   end
Chris@909: 
Chris@909:   def GetMBStringWidth(s)
Chris@909:   	#Multi-byte version of GetStringWidth()
Chris@909:   	l=0
Chris@909:   	cw=@current_font['cw']
Chris@909:   	nb=s.length
Chris@909:   	i=0
Chris@909:   	while(i<nb)
Chris@909:   		c = s[i].is_a?(String) ? s[i].ord : s[i]
Chris@909:   		if(c<128)
Chris@909:   			l+=cw[c.chr] if cw[c.chr]
Chris@909:   			i+=1
Chris@909:   		else
Chris@909:   			l+=1000
Chris@909:   			i+=2
Chris@909:   		end
Chris@909:   	end
Chris@909:   	return l*@font_size/1000
Chris@909:   end
Chris@909: 
Chris@909:   def MultiCell(w,h,txt,border=0,align='L',fill=0,ln=1)
Chris@909:   	if(@current_font['type']=='Type0')
Chris@909:   		MBMultiCell(w,h,txt,border,align,fill,ln)
Chris@909:   	else
Chris@909:   		super(w,h,txt,border,align,fill,ln)
Chris@909:     end
Chris@909:   end
Chris@909: 
Chris@909:   def MBMultiCell(w,h,txt,border=0,align='L',fill=0,ln=1)
Chris@909: 
Chris@909:   	# save current position
Chris@909:   	prevx = @x;
Chris@909:   	prevy = @y;
Chris@909: 
Chris@909:   	#Multi-byte version of MultiCell()
Chris@909:   	cw=@current_font['cw']
Chris@909:   	if(w==0)
Chris@909:   		w=@w-@r_margin-@x
Chris@909:     end
Chris@909:   	wmax=(w-2*@c_margin)*1000/@font_size
Chris@909:   	s=txt.gsub("\r",'')
Chris@909:   	nb=s.length
Chris@909:   	if(nb>0 and s[nb-1]=="\n")
Chris@909:   		nb-=1
Chris@909:     end
Chris@909:   	b=0
Chris@909:   	if(border)
Chris@909:   		if(border==1)
Chris@909:   			border='LTRB'
Chris@909:   			b='LRT'
Chris@909:   			b2='LR'
Chris@909:   		else
Chris@909:   			b2=''
Chris@909:   			b2='L' unless border.to_s.index('L').nil?
Chris@909:   			b2=b2+'R' unless border.to_s.index('R').nil?
Chris@909:   			b=(border.to_s.index('T')) ? (b2+'T') : b2
Chris@909:   		end
Chris@909:   	end
Chris@909:   	sep=-1
Chris@909:   	i=0
Chris@909:   	j=0
Chris@909:   	l=0
Chris@909:   	nl=1
Chris@909:   	while(i<nb)
Chris@909:   		#Get next character
Chris@909:   		c = s[i].is_a?(String) ? s[i].ord : s[i]
Chris@909:   		#Check if ASCII or MB
Chris@909:   		ascii=(c<128)
Chris@909:   		if(c.chr=="\n")
Chris@909:   			#Explicit line break
Chris@909:   			Cell(w,h,s[j,i-j],b,2,align,fill)
Chris@909:   			i+=1
Chris@909:   			sep=-1
Chris@909:   			j=i
Chris@909:   			l=0
Chris@909:   			nl+=1
Chris@909:   			if(border and nl==2)
Chris@909:   				b=b2
Chris@909:         end
Chris@909:   			next
Chris@909:   		end
Chris@909:   		if(!ascii)
Chris@909:   			sep=i
Chris@909:   			ls=l
Chris@909:   		elsif(c.chr==' ')
Chris@909:   			sep=i
Chris@909:   			ls=l
Chris@909:   		end
Chris@909:   		l+=(ascii ? cw[c.chr] : 1000) || 0
Chris@909:   		if(l>wmax)
Chris@909:   			#Automatic line break
Chris@909:   			if(sep==-1 or i==j)
Chris@909:   				if(i==j)
Chris@909:   					i+=ascii ? 1 : 2
Chris@909:           end
Chris@909:   				Cell(w,h,s[j,i-j],b,2,align,fill)
Chris@909:   			else
Chris@909:   				Cell(w,h,s[j,sep-j],b,2,align,fill)
Chris@909:   				i=(s[sep].chr==' ') ? sep+1 : sep
Chris@909:   			end
Chris@909:   			sep=-1
Chris@909:   			j=i
Chris@909:   			l=0
Chris@909:   			nl+=1
Chris@909:   			if(border and nl==2)
Chris@909:   				b=b2
Chris@909:         end
Chris@909:   		else
Chris@909:   			i+=ascii ? 1 : 2
Chris@909:       end
Chris@909:   	end
Chris@909:   	#Last chunk
Chris@909:   	if(border and not border.to_s.index('B').nil?)
Chris@909:   		b+='B'
Chris@909:     end
Chris@909:   	Cell(w,h,s[j,i-j],b,2,align,fill)
Chris@909: 
Chris@909:   	# move cursor to specified position
Chris@909:   	if (ln == 1)
Chris@909:   		# go to the beginning of the next line
Chris@909:   		@x=@l_margin
Chris@909:   	elsif (ln == 0)
Chris@909:   		# go to the top-right of the cell
Chris@909:   		@y = prevy;
Chris@909:   		@x = prevx + w;
Chris@909:   	elsif (ln == 2)
Chris@909:   		# go to the bottom-left of the cell
Chris@909:   		@x = prevx;
Chris@909:     end
Chris@909:   end
Chris@909: 
Chris@909:   def Write(h,txt,link='',fill=0)
Chris@909:   	if(@current_font['type']=='Type0')
Chris@909:   		MBWrite(h,txt,link,fill)
Chris@909:   	else
Chris@909:   		super(h,txt,link,fill)
Chris@909:     end
Chris@909:   end
Chris@909: 
Chris@909:   def MBWrite(h,txt,link,fill=0)
Chris@909:   	#Multi-byte version of Write()
Chris@909:   	cw=@current_font['cw']
Chris@909:   	w=@w-@r_margin-@x
Chris@909:   	wmax=(w-2*@c_margin)*1000/@font_size
Chris@909:   	s=txt.gsub("\r",'')
Chris@909:   	nb=s.length
Chris@909:   	sep=-1
Chris@909:   	i=0
Chris@909:   	j=0
Chris@909:   	l=0
Chris@909:   	nl=1
Chris@909:   	while(i<nb)
Chris@909:   		#Get next character
Chris@909:   		c = s[i].is_a?(String) ? s[i].ord : s[i]
Chris@909:   		#Check if ASCII or MB
Chris@909:   		ascii=(c<128)
Chris@909:   		if(c.chr=="\n")
Chris@909:   			#Explicit line break
Chris@909:   			Cell(w,h,s[j,i-j],0,2,'',fill,link)
Chris@909:   			i+=1
Chris@909:   			sep=-1
Chris@909:   			j=i
Chris@909:   			l=0
Chris@909:   			if(nl==1)
Chris@909:   				@x=@l_margin
Chris@909:   				w=@w-@r_margin-@x
Chris@909:   				wmax=(w-2*@c_margin)*1000/@font_size
Chris@909:   			end
Chris@909:   			nl+=1
Chris@909:   			next
Chris@909:   		end
Chris@909:   		if(!ascii or c.chr==' ')
Chris@909:   			sep=i
Chris@909:       end
Chris@909:   		l+=(ascii ? cw[c.chr] : 1000) || 0
Chris@909:   		if(l>wmax)
Chris@909:   			#Automatic line break
Chris@909:   			if(sep==-1 or i==j)
Chris@909:   				if(@x>@l_margin)
Chris@909:   					#Move to next line
Chris@909:   					@x=@l_margin
Chris@909:   					@y+=h
Chris@909:   					w=@w-@r_margin-@x
Chris@909:   					wmax=(w-2*@c_margin)*1000/@font_size
Chris@909:   					i+=1
Chris@909:   					nl+=1
Chris@909:   					next
Chris@909:   				end
Chris@909:   				if(i==j)
Chris@909:   					i+=ascii ? 1 : 2
Chris@909:           end
Chris@909:   				Cell(w,h,s[j,i-j],0,2,'',fill,link)
Chris@909:   			else
Chris@909:   				Cell(w,h,s[j,sep-j],0,2,'',fill,link)
Chris@909:   				i=(s[sep].chr==' ') ? sep+1 : sep
Chris@909:   			end
Chris@909:   			sep=-1
Chris@909:   			j=i
Chris@909:   			l=0
Chris@909:   			if(nl==1)
Chris@909:   				@x=@l_margin
Chris@909:   				w=@w-@r_margin-@x
Chris@909:   				wmax=(w-2*@c_margin)*1000/@font_size
Chris@909:   			end
Chris@909:   			nl+=1
Chris@909:   		else
Chris@909:   			i+=ascii ? 1 : 2
Chris@909:       end
Chris@909:   	end
Chris@909:   	#Last chunk
Chris@909:   	if(i!=j)
Chris@909:   		Cell(l*@font_size/1000.0,h,s[j,i-j],0,0,'',fill,link)
Chris@909:     end
Chris@909:   end
Chris@909: 
Chris@909: private
Chris@909: 
Chris@909:   def putfonts()
Chris@909:   	nf=@n
Chris@909:     @diffs.each do |diff|
Chris@909:   		#Encodings
Chris@909:   		newobj()
Chris@909:   		out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['+diff+']>>')
Chris@909:   		out('endobj')
Chris@909:   	end
Chris@909:   	# mqr=get_magic_quotes_runtime()
Chris@909:   	# set_magic_quotes_runtime(0)
Chris@909:     @font_files.each_pair do |file, info|
Chris@909:   		#Font file embedding
Chris@909:   		newobj()
Chris@909:   		@font_files[file]['n']=@n
Chris@909:   		if(defined('FPDF_FONTPATH'))
Chris@909:   			file=FPDF_FONTPATH+file
Chris@909:       end
Chris@909:   		size=filesize(file)
Chris@909:   		if(!size)
Chris@909:   			Error('Font file not found')
Chris@909:       end
Chris@909:   		out('<</Length '+size)
Chris@909:   		if(file[-2]=='.z')
Chris@909:   			out('/Filter /FlateDecode')
Chris@909:       end
Chris@909:   		out('/Length1 '+info['length1'])
Chris@909:   		if(not info['length2'].nil?)
Chris@909:   			out('/Length2 '+info['length2']+' /Length3 0')
Chris@909:       end
Chris@909:   		out('>>')
Chris@909:   		f=fopen(file,'rb')
Chris@909:   		putstream(fread(f,size))
Chris@909:   		fclose(f)
Chris@909:   		out('endobj')
Chris@909:   	end
Chris@909:   	# set_magic_quotes_runtime(mqr)
Chris@909:     @fonts.each_pair do |k, font|
Chris@909:   		#Font objects
Chris@909:   		newobj()
Chris@909:   		@fonts[k]['n']=@n
Chris@909:   		out('<</Type /Font')
Chris@909:   		if(font['type']=='Type0')
Chris@909:   			putType0(font)
Chris@909:   		else
Chris@909:   			name=font['name']
Chris@909:   			out('/BaseFont /'+name)
Chris@909:   			if(font['type']=='core')
Chris@909:   				#Standard font
Chris@909:   				out('/Subtype /Type1')
Chris@909:   				if(name!='Symbol' and name!='ZapfDingbats')
Chris@909:   					out('/Encoding /WinAnsiEncoding')
Chris@909:   				end
Chris@909:   			else
Chris@909:   				#Additional font
Chris@909:   				out('/Subtype /'+font['type'])
Chris@909:   				out('/FirstChar 32')
Chris@909:   				out('/LastChar 255')
Chris@909:   				out('/Widths '+(@n+1)+' 0 R')
Chris@909:   				out('/FontDescriptor '+(@n+2)+' 0 R')
Chris@909:   				if(font['enc'])
Chris@909:   					if(not font['diff'].nil?)
Chris@909:   						out('/Encoding '+(nf+font['diff'])+' 0 R')
Chris@909:   					else
Chris@909:   						out('/Encoding /WinAnsiEncoding')
Chris@909:             end
Chris@909:   				end
Chris@909:   			end
Chris@909:   			out('>>')
Chris@909:   			out('endobj')
Chris@909:   			if(font['type']!='core')
Chris@909:   				#Widths
Chris@909:   				newobj()
Chris@909:   				cw=font['cw']
Chris@909:   				s='['
Chris@909:           32.upto(255) do |i|
Chris@909:   					s+=cw[i.chr]+' '
Chris@909:           end
Chris@909:   				out(s+']')
Chris@909:   				out('endobj')
Chris@909:   				#Descriptor
Chris@909:   				newobj()
Chris@909:   				s='<</Type /FontDescriptor /FontName /'+name
Chris@909:   				font['desc'].each_pair do |k, v|  				
Chris@909:   					s+=' /'+k+' '+v
Chris@909:           end
Chris@909:   				file=font['file']
Chris@909:   				if(file)
Chris@909:   					s+=' /FontFile'+(font['type']=='Type1' ? '' : '2')+' '+@font_files[file]['n']+' 0 R'
Chris@909:           end
Chris@909:   				out(s+'>>')
Chris@909:   				out('endobj')
Chris@909:   			end
Chris@909:   		end
Chris@909:   	end
Chris@909:   end
Chris@909:   
Chris@909:   def putType0(font)
Chris@909:   	#Type0
Chris@909:   	out('/Subtype /Type0')
Chris@909:   	out('/BaseFont /'+font['name']+'-'+font['CMap'])
Chris@909:   	out('/Encoding /'+font['CMap'])
Chris@909:   	out('/DescendantFonts ['+(@n+1).to_s+' 0 R]')
Chris@909:   	out('>>')
Chris@909:   	out('endobj')
Chris@909:   	#CIDFont
Chris@909:   	newobj()
Chris@909:   	out('<</Type /Font')
Chris@909:   	out('/Subtype /CIDFontType0')
Chris@909:   	out('/BaseFont /'+font['name'])
Chris@909:   	out('/CIDSystemInfo <</Registry (Adobe) /Ordering ('+font['registry']['ordering']+') /Supplement '+font['registry']['supplement'].to_s+'>>')
Chris@909:   	out('/FontDescriptor '+(@n+1).to_s+' 0 R')
Chris@909:   	if(font['CMap']=='KSCms-UHC-HW-H')
Chris@909:   		w='8094 8190 500'
Chris@909:   	else
Chris@909:   		w='1 ['
Chris@909:   		font['cw'].keys.sort.each {|key|
Chris@909:   		  w+=font['cw'][key].to_s + " "
Chris@909:   # ActionController::Base::logger.debug key.to_s
Chris@909:   # ActionController::Base::logger.debug font['cw'][key].to_s
Chris@909:   		}
Chris@909:   		w +=']'
Chris@909:     end
Chris@909:   	out('/W ['+w+']>>')
Chris@909:   	out('endobj')
Chris@909:   	#Font descriptor
Chris@909:   	newobj()
Chris@909:   	out('<</Type /FontDescriptor')
Chris@909:   	out('/FontName /'+font['name'])
Chris@909:   	out('/Flags 6')
Chris@909:   	out('/FontBBox [0 -200 1000 900]')
Chris@909:   	out('/ItalicAngle 0')
Chris@909:   	out('/Ascent 800')
Chris@909:   	out('/Descent -200')
Chris@909:   	out('/CapHeight 800')
Chris@909:   	out('/StemV 50')
Chris@909:   	out('>>')
Chris@909:   	out('endobj')
Chris@909:   end
Chris@909: end