% language=uk

\setuppapersize[letter][letter]

\setupheadertexts[] % no headers (omit default page numbers)

\setuplayout[width=18.75pc]

\definefontsynonym
  [Cows]
  [file:koeielettersot.ttf*default at 144pt]

\setbox0=\hbox{\getnamedglyphdirect{Cows}{A}}

\starttext

%  1
\leftline{\getnamedglyphdirect{Cows}{A}\qquad
\getnamedglyphdirect{Cows}{A.contour}}
\page

%  2
\loadtypescriptfile[koeielettersot]
\startbuffer
  \switchtobodyfont[coloredcows,12pt]
  \rightskip=0pt plus5em
  \hyphenpenalty=10000
  \advance\baselineskip by -.2em 
  Coming back to the use of typefaces in electronic publishing:
  many of the new typographers \unknown\
  %\input zapf
\stopbuffer
{\getbuffer \par}
\page

%  3
\startframedtext[background=color,backgroundcolor=darkgray,width=max]
     \switchtobodyfont[coloredcows,12pt]
  \rightskip=0pt plus5em
  \hyphenpenalty=10000
  \advance\baselineskip by -.2em 
  Coming back to the use of typefaces in electronic publishing:
  many of the new typographers \unknown\
     %\input zapf
\stopframedtext
\page

%  4
\startbuffer
\definecolor[cowred]   [r=.50]
\definecolor[cowgreen] [g=.50]
\definecolor[cowblue]  [b=.50]
\definecolor[cowyellow][y=.25]

\definefontcolorpalette[cows][cowgreen,cowyellow,cowblue,cowred]

\adaptfontfeature[sheepcolored] [colr=cows]
\stopbuffer
\getbuffer

\startbuffer
\usetypescript[all][cowsotf]

\definefontcolorpalette[cows-1][cowgreen,cowyellow,cowblue,cowred]
\definefontcolorpalette[cows-2][cowred,cowyellow,cowblue,cowgreen]
\definefontcolorpalette[cows-3][cowgreen,cowyellow,cowred,cowblue]

\definefontfeature[cows-1][cowscolored][colr=cows-1]
\definefontfeature[cows-2][cowscolored][colr=cows-2]
\definefontfeature[cows-3][cowscolored][colr=cows-3]

\hsize=225pt % tugboat column
\hbox to \hsize{%
\definedfont[Cows*cows-1 at 30pt]red\hfil
\definedfont[Cows*cows-2 at 30pt]green\hfil
\definedfont[Cows*cows-3 at 30pt]blue}
\stopbuffer

{\getbuffer}
\page

%  5
\setuplayout[width=39pc]

\startbuffer
$\left( a + b - \frac1{200} \right) \times \left[\sqrt{[A]}\right] \sqrt{\frac{a}{b}}$
\stopbuffer

\scale
  [width=\textwidth]
  {\switchtobodyfont[cows]%
   \appendtoks\mathrulesmode\zerocount\to\everymathematics
   \getbuffer}
\page

%  6
\scale
  [width=\textwidth]
  {\switchtobodyfont[sheep]%
   \appendtoks\mathrulesmode\zerocount\to\everymathematics
   \getbuffer}
\page

%  7
\scale
  [width=\textwidth]
  {\switchtobodyfont[cows]%
   \getbuffer}
\page

%  8
\scale
  [width=\textwidth]
  {\switchtobodyfont[sheep]%
   \getbuffer}
\page

%  9
\startbuffer
\definefont       [CowsLogo][koeielettersot*cowslogos     sa c]
\definefont       [CowsLigs][koeielettersot*cowsligatures sa c]
\definefontsynonym[CowsOnly][koeielettersot]
\stopbuffer
\getbuffer

\scale
  [width=\textwidth]
  {\def\interrowspace{\noalign{\vskip4pt}}
\font\ttbf = cmtt10
\starttabulate[|T|||||]
\NC \ttbf input \NC \ttbf\string\CowsLogo \NC \ttbf\string\CowsLigs \NC \ttbf somelogo \NC \ttbf s_o_m_e_l_o_g_o\NC \NR
\noalign{\vskip-4pt}
\TB
\NC \ttbf PragmaAde \NC \CowsLogo PragmaAde \NC \CowsLigs PragmaAde \NC \tfc \getnamedglyphdirect{CowsOnly}{PragmaADElogo} \NC \tfc \getnamedglyphdirect{CowsOnly}{P_r_a_g_m_a_A_d_e} \NC \NR
\interrowspace
\NC \ttbf pragmaade \NC \CowsLogo pragmaade \NC \CowsLigs pragmaade \NC \tfc \getnamedglyphdirect{CowsOnly}{pragmaadelogo} \NC \tfc \getnamedglyphdirect{CowsOnly}{p_r_a_g_m_a_a_d_e} \NC \NR
\interrowspace
\NC \ttbf context   \NC \CowsLogo context   \NC \CowsLigs context   \NC \tfc \getnamedglyphdirect{CowsOnly}{contextlogo}   \NC \tfc \getnamedglyphdirect{CowsOnly}{c_o_n_t_e_x_t} \NC \NR
\interrowspace
\NC \ttbf MP        \NC \CowsLogo MP        \NC \CowsLigs MP        \NC \tfc \getnamedglyphdirect{CowsOnly}{mplogo}        \NC \tfc \getnamedglyphdirect{CowsOnly}{M_P} \NC \NR
\interrowspace
\NC \ttbf TeX       \NC \CowsLogo TeX       \NC \CowsLigs TeX       \NC \tfc \getnamedglyphdirect{CowsOnly}{texlogo}       \NC \tfc \getnamedglyphdirect{CowsOnly}{T_e_X} \NC \NR
\interrowspace
\NC \ttbf metafun   \NC \CowsLogo metafun   \NC \CowsLigs metafun   \NC \tfc \getnamedglyphdirect{CowsOnly}{metafunlogo}   \NC \tfc \getnamedglyphdirect{CowsOnly}{m_e_t_a_f_u_n} \NC \NR
\interrowspace
\NC \ttbf Example   \NC \CowsLogo Example   \NC \CowsLigs Example   \NC \tfc \getnamedglyphdirect{CowsOnly}{examplelogo}   \NC \tfc \getnamedglyphdirect{CowsOnly}{E_x_a_m_p_l_e} \NC \NR
\interrowspace
\NC \ttbf FoXeT     \NC \CowsLogo FoXeT     \NC \CowsLigs FoXeT     \NC \tfc \getnamedglyphdirect{CowsOnly}{foxetlogo}     \NC \tfc \getnamedglyphdirect{CowsOnly}{F_o_X_e_t} \NC \NR
\interrowspace
\NC \ttbf TEX       \NC \CowsLogo TEX       \NC \CowsLigs TEX       \NC \tfc \getnamedglyphdirect{CowsOnly}{TEXlogo}       \NC \tfc \getnamedglyphdirect{CowsOnly}{T_E_X} \NC \NR
\interrowspace
\NC \ttbf Wiki      \NC \CowsLogo Wiki      \NC \CowsLigs Wiki      \NC \tfc \getnamedglyphdirect{CowsOnly}{wikilogo}      \NC \tfc \getnamedglyphdirect{CowsOnly}{W_i_k_i} \NC \NR
\interrowspace
\NC \ttbf Cowtext   \NC \CowsLogo Cowtext   \NC \CowsLigs Cowtext   \NC \tfc \getnamedglyphdirect{CowsOnly}{cowtextlogo}   \NC \tfc \getnamedglyphdirect{CowsOnly}{C_o_w_t_e_x_t} \NC \NR
\stoptabulate
}
\page

%  10
\noindent \lower .5ex \hbox {\tfd \getnamedglyphdirect {CowsOnly} {boo}}
\page

%  11
\noindent \lower .5ex \hbox {\tfd \getnamedglyphdirect {CowsOnly} {cow}}
\page

%  12
\startbuffer
\definefontsynonym
  [CowsColored]
  [koeielettersot*cowscolored]

\getnamedglyphdirect
  {CowsColored}
  {contextlogo}
\stopbuffer

\startlinecorrection
\scale[width=\textwidth]{\ignorespaces\getbuffer\removeunwantedspaces}
\stoplinecorrection

\stoptext