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#This file contains macros to draw circuits with pic
#it should be included at the start of a file with:
# .PS
# copy "circuit.pic"
# .PE
#
# MIT License
# 
# Copyright (c) 2019 Tucker Evans
# 
# 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.

text_up = 0.175
text_down = 0.2
padding = 0.04
wire_wid = .25

define begin {line right padding}
define end_ {line right padding}

define wire {line $1 wire_wid}

define current {
arrowht = arrowht/2
#LEFT
    arrow wire_wid/2 + arrowwid/2
#TEXT
    move -arrowwid/2
    "$1" at Here + (0, text_up); move to Here - (0,text_up)
    "  $2" ljust
    "$3" at Here- (0, text_down); move to Here + (0,text_down)
    "$4  " rjust
    move arrowwid/2
#RIGHT
    line wire_wid/2 - arrowwid/2
reset arrowht
}

define point {
    circle radius .0175 fill 1 at last line .end
    "$1" above at last circle .n
    "  $2" ljust at last circle .w
    "$3" below at last circle .s
    "$4  " rjust at last circle .e
    move to last circle
}

define batt {
#LEFT
begin
    move down .1; line up .2; move down .1
    move right .025
#TEXT
    move down text_down "$1"; move up text_down;
    move up text_up "$2"; move down text_up;
#RIGHT
    move right .025
    move down .03333;
    line up .066666; move down 0.03333 ;
end_
}
batt_len = .05 + padding*2

define cap {
begin
#LEFT
    move down .05; line up .1; move down .05;
    move right .025
#TEXT
    move down text_down "$1"; move up text_down;
    move up text_up "$2"; move down text_up;
#RIGHT
    move right .025 down .05;
    line up .1; move down .05;
end_
}
cap_len = .05 + padding *2

define res {
begin
#LEFT
    line up .05 right .03
    line down .1 right .03

    line up .1 right .03
    line down .05 right .015
#TEXT
    move down text_down "$1"; move up text_down
    move up text_up "$2"; move down text_up
#RIGHT
    line down .05 right .015

    line up .1 right .03
    line down .1 right .03

    line up .05 right .03
end_
}
res_len = (0.03 * 7) + padding *2


#Reverse sections
define Rbegin {line left padding}
define Rend {line left padding}

define Rbatt {
#LEFT
Rbegin
    move down .1; line up .2; move down .1
    move left .025
#TEXT
    move down text_down "$1"; move up text_down;
    move up text_up "$2"; move down text_up;
#RIGHT
    move left .025
    move down .03333;
    line up .066666; move down 0.03333 ;
Rend
}

define Rcap {
Rbegin
#LEFT
    move down .05; line up .1; move down .05;
    move left .025
#TEXT
    move down text_down "$1"; move up text_down;
    move up text_up "$2"; move down text_up;
#RIGHT
    move left .025 down .05;
    line up .1; move down .05;
Rend
}

define Rres {
Rbegin
#LEFT
    line down .05 left .03
    line up .1 left .03

    line down .1 left .03
    line up .05 left .015
#TEXT
    move down text_down "$1"; move up text_down
    move up text_up "$2"; move down text_up
#RIGHT
    line up .05 left .015

    line down .1 left .03
    line up .1 left .03

    line down .05 left .03
Rend
}