% This file is part of the TeluguTeX Software Package. %Copyright (c) 1991 Lakshmankumar Mukkavilli % %The TeluguTeX Software Package is distributed in the hope that %it will be useful,but WITHOUT ANY WARRANTY. No author or distributor %accepts responsibility to anyone for the consequences of using it %or for whether it serves any particular purpose or works at all, %unless he says so in writing. Refer to the TeluguTeX Software Package %General Public License for full details. % %Everyone is granted permission to copy, modify and redistribute %the TeluguTeX Software Package, but only under the conditions described in the %TeluguTeX Software Package General Public License. A copy of this license is %supposed to have been given to you along with TeluguTeX Software Package so you %can know your rights and responsibilities. It should be in a %file named CopyrightLong. Among other things, the copyright notice %and this notice must be preserved on all copies. %%%%%%%% % This file contains various parameters used in making a font % for telugu. Many of the parameters are used in several places. % Before changing anything here you should be very clear about % the possible impact. % input telbase % read basefile font_identifier :="TELUGU"; % parameters u#:=designsize/18; % unit width v#:=designsize; % total height uh#:=v#/18; % unit height top_shoulder:=2/36; % top shoulder proportion bot_shoulder:=2/36; % bottom shoulder proportion xheight:=15/36; % x height proportion ascheight:=10/36; % ascender height proportion desdepth:=7/36; % descender depth proportion figheight:=6/36; % height of roman digits em_width#:=18u#; % same as font_quad asc_height#:=(ascheight+xheight)*v#; des_depth#:=desdepth*v#; x_height#:=xheight*v#; bot_depth#:=(bot_shoulder+desdepth)*v#; top_height#:=(top_shoulder+ascheight+xheight)*v#; fig_height#:=(figheight+xheight)*v#; % height of roman digits tfig_width#:=7.5u#; % width of telugu digits tfig_height#:=x_height#; % height of telugu digits asc_height1#:=(1/3ascheight+xheight)*v#; asc_height2#:=(2/3ascheight+xheight)*v#; j_height#:=2/3x_height#; % height of bowls in ja,ta etc c_height#:=1/3x_height#; % height of circle in ma, va etc % c_height is used to draw small circles. If we use a wide pen then the circle % may not be clearly visible. Hence the following statement. if c_height# < (3.2*pen_width#):c_height#:=3.2pen_width#; fi; w_height#:=1/3x_height#; % height of wedge in da,ta etc ascunit#:=1/6(asc_height#-x_height#); % a unit for acsender area vmwidth#:=7u#; % width of vowel modifiers top_accent#:=1.5uh#; % base for accents that appear at top bot_accent#:=1.5uh#; % base for accents that appear below cc_scale:=0.7; % scale factor for consonant conjuncts ccwidth#:=vmwidth#; % width of co.conjuncts that appear on % the side dot_radius#:=u#; % radius of dot wedge_height#:=x_height#/4; % height of wedge (in dha, uu etc) wedge_depth#:=4/9des_depth#; % depth of wedge(in dha,uu etc) sc_height#:=1/6x_height#; % misc. usage v_a_width#:=10u#; % width of vowel a v_e_width#:=7.5u#; % width of vowel e v_u_width#:=8u#; % width of vowel u (like dda no hat v_lo_width#:=11u#; % width of vowel lo(inverted ja) v_ea_width#:=6u#; % width of vowel ea(like va without v_i_width#:=7u#; % width of vowel i vm_a_width#:=5u#; % width of vowel modifier a vm_e_width#:=4u#; % width of vowel modifier e vm_e_height1#:=asc_height2#; % height of vowelmodifier e (used % with certain consonants kha,cha, % ccha,ja,ta,na,ba,bha,ma,la,va etc) vm_e_height2#:=5/6x_height#; % vowel mod. e for ra,ga.da sits vm_e_height3#:=(1/2ascheight+xheight)*v#; % between vm_e_height2 and 3 vm_u_width#:=5u#; % width of ubowl (attached to letter vm_ro_width#:=6u#; % width of vowel modifier ro vm_ao_width#:=8u#; % width of vowel modifier ao vm_aoo_width#:=vm_ao_width#+1.5u#; % width of vowel modifier aoo cb_ka_width#:=6u#; % width of ka cb_kha_width#:=7.5u#; % width of kha cb_ga_width#:=6u#; % width of ga cb_cha_width#:=9u#; % width of cha cb_ja_width#:=7.5u#; % width of ja cb_tta_width#:=10.5u#; % width of tta cb_nna_width#:=10u#; % width of nna cb_ta_width#:=8u#; % width of ta cb_da_width#:=9.0u#; % width of da cb_na_width#:=7.5u#; % width of na cb_ba_width#:=7.5u#; % width of ba cb_ya_width#:=10u#; % width of ya (without bowl) cb_ra_width#:=6u#; % width of ra cb_la_width#:=9u#; % width of la cb_lla_width#:=6u#; % width of lla cb_va_width#:=7.5u#; % width of va cb_ca_width#:=5u#; % width of ca cb_sha_width#:=cb_va_width#+1.5u#; % width of sha cb_ksha_width#:=cb_ka_width#; % width of ksha cb_ksha_depth#:=des_depth#; % floor of ksha cb_np_width#:=ccwidth#; % width of nakarapollu cb_vg_width#:=ccwidth#; % width of valapalagilaka cv_pu_width#:=cb_va_width#+2u#; % width of u modifier for pa cv_pu_depth#:=1.5uh#; % depth of u modifier for pa p_comma_width#:=2dot_radius#+u#; % width of comma half_plus_width#:=cb_ja_width#/2; % width of symbol like truncated + % ul#, ur# indicate the amount of white space that is added % to a symbol. Following are the criteria used to add space % consonant base, vowels - none % punctuation,digits - on right % consonant conjuncts that appear below,vowel modifiers that appear % above/below - none % accents that appear below/above - none % consonant conjuncts that appear on the side - on left % vowel modifiers for u, uu - none % vowel modifiers for ro, roo - on left % While composing Telugu text using TeX, space is added after a syllable % by the macros that build a syllable. ul#:=2u#; % white space (on left) ur#:=2u#; % white space (on right) generate telugu; % switch to driver files