divert(-1)
   pdf.m4                                    Initialization for pdf output.

* Circuit_macros Version 10.2, copyright (c) 2023 J. D. Aplevich under     *
* the LaTeX Project Public Licence in file Licence.txt. The files of       *
* this distribution may be redistributed or modified provided that this    *
* copyright notice is included and provided that modifications are clearly *
* marked to distinguish them from this distribution.  There is no warranty *
* whatsoever for these files.                                              *

define(`m4picprocessor',dpic)
define(`m4postprocessor',pdf)

ifdef(`libgen_',,`include(libgen.m4)divert(-1)')dnl

                                Color utilities
define(`setrgb',`pushdef(`r_',`$1')pushdef(`g_',`$2')pushdef(`b_',`$3')dnl
pushdef(`m4cl_',ifelse(`$4',,lcspec,`$4'))dnl
 command sprintf(" %7.5f %7.5f %7.5f rg",r_,g_,b_)')

define(`resetrgb',`popdef(`m4cl_')popdef(`r_')popdef(`g_')popdef(`b_')dnl
 ifdef(`r_',
  `command sprintf(" %7.5f %7.5f %7.5f rg",r_,g_,b_)',
  `command " 0 g"') ')

                                `rgbdraw(color triple, drawing commands)'
define(`rgbdraw',`setrgb(`$1',`$2',`$3')
  shift(shift(shift($@)))
  resetrgb')

                                Define some primary colors
define(`defineRGBprimaries',`
define(`white',`1 1 1')dnl
define(`lightgrey',`0.75 0.75 0.75')dnl
define(`lightgray',`0.75 0.75 0.75')dnl
define(`grey',`0.5 0.5 0.5')dnl
define(`gray',`0.5 0.5 0.5')dnl
define(`darkgrey',`0.25 0.25 0.25')dnl
define(`darkgray',`0.25 0.25 0.25')dnl
define(`black',`0 0 0')dnl
define(`red',`1 0 0')dnl
define(`green',`0 1 0')dnl
define(`blue',`0 0 1')dnl
define(`cyan',`0 1 1')dnl
define(`magenta',`1 0 1')dnl
define(`yellow',`1 1 0') ')

define(`thinlines_',`linethick = 0.4
 arrowwid = 0.04*scale; arrowht = 0.2/3*scale;')
define(`thicklines_',`linethick = 0.8
 arrowwid = 0.05*scale; arrowht = 0.1*scale;')
                                `linethick_(x)
                                 set line width to x pt (default 0.8)
                                 and scale arrowhead parameters'
define(`linethick_',`linethick = ifelse(`$1',,`0.8',`$1'); dnl
 arrowwid = ifelse(`$1',,`0.05',linethick/16)*scale; dnl
 arrowht = ifelse(`$1',,`0.1',linethick/8)*scale;')

divert(0)dnl
