circuitikz (20apr21)

git-svn-id: svn://tug.org/texlive/trunk@58923 c570f23f-e606-0410-a88d-b1316a301751

4 files changed, 243 insertions, 47 deletions

diff --git a/Master/texmf-dist/tex/generic/circuitikz/pgfcirc.defines.tex b/Master/texmf-dist/tex/generic/circuitikz/pgfcirc.defines.tex
index 218f3777827..9c49d71525c 100644
--- a/Master/texmf-dist/tex/generic/circuitikz/pgfcirc.defines.tex
+++ b/Master/texmf-dist/tex/generic/circuitikz/pgfcirc.defines.tex
@@ -208,6 +208,17 @@
 }
 % use \pgf@circ@setlinewidth{none}{\pgflinewidth} if there is no legacy case
 \ctikzset{none/thickness/.initial=1.0} % do not touch
+
+% set thickness relative to current thickness if exists class and key
+\def\pgf@circ@set@relative@thickness#1{%
+    \ifdefined\ctikzclass
+        \pgfkeysifdefined{\circuitikzbasekey/\ctikzclass/#1}
+        {% yes, it's defined
+            \pgfsetlinewidth{\ctikzvalof{\ctikzclass/#1}\pgflinewidth}%
+        }{}
+    \fi
+}
+
 %%>>>
 
 %% font changes compatible with plain/LaTeX/ConTeXt%<<<1
@@ -635,14 +646,17 @@
 \ctikzset{resistors/scale/.initial=1.0}
 \ctikzset{resistors/fill/.initial=none}
 \ctikzset{resistors/thickness/.initial=none}
+\ctikzset{resistors/modifier thickness/.initial=1}% relative to main thickness
 
 \ctikzset{capacitors/scale/.initial=1.0}
 \ctikzset{capacitors/fill/.initial=none}
 \ctikzset{capacitors/thickness/.initial=none}
+\ctikzset{capacitors/modifier thickness/.initial=1}
 
 \ctikzset{inductors/scale/.initial=1.0}
 \ctikzset{inductors/fill/.initial=none}
 \ctikzset{inductors/thickness/.initial=none}
+\ctikzset{inductors/modifier thickness/.initial=1}
 
 \ctikzset{diodes/scale/.initial=1.0}
 \ctikzset{diodes/fill/.initial=none}
@@ -689,6 +703,7 @@
 \ctikzset{transistors/scale/.initial=1.0}
 \ctikzset{transistors/fill/.initial=none}
 \ctikzset{transistors/thickness/.initial=none}
+\ctikzset{transistors/modifier thickness/.initial=1}% relative to main thickness
 
 \ctikzset{tubes/scale/.initial=1.0}
 \ctikzset{tubes/fill/.initial=none}
diff --git a/Master/texmf-dist/tex/generic/circuitikz/pgfcircbipoles.tex b/Master/texmf-dist/tex/generic/circuitikz/pgfcircbipoles.tex
index 78dd1379fbe..445a14d639d 100644
--- a/Master/texmf-dist/tex/generic/circuitikz/pgfcircbipoles.tex
+++ b/Master/texmf-dist/tex/generic/circuitikz/pgfcircbipoles.tex
@@ -22,6 +22,7 @@
 \pgf@circ@declare@family@arrows{tunable}
 \pgf@circ@declare@family@arrows{wiper}
 \pgf@circ@declare@family@arrows{switch}
+
 %>>>
 
 
@@ -282,6 +283,7 @@
     \pgf@circ@setlinewidth{bipoles}{\pgfstartlinewidth}
     \pgf@circ@draworfill
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfcirc@set@arrows{tunable}{}{latexslim}
         \ifpgf@circ@fixtunable@dir
             \pgfpathmoveto{\pgfpoint{.5\pgf@circ@res@left}{\pgf@circ@res@down}}
@@ -370,6 +372,8 @@
     \endpgfscope
 }
 
+
+
 %% Thermistor
 \pgfcircdeclarebipolescaled{resistors}
 {% anchor for labelling the type of dependency
@@ -385,18 +389,14 @@
 {\ctikzvalof{bipoles/thermistor/height}}
 {\ctikzvalof{bipoles/thermistor/width}}
 {
-    \pgfscope
     \pgfpathrectanglecorners{\pgfpoint{\pgf@circ@res@left}{\ctikzvalof{bipoles/thermistor/main}\pgf@circ@res@up}}{\pgfpoint{\pgf@circ@res@right}{-\ctikzvalof{bipoles/thermistor/main}\pgf@circ@res@up}}
     \pgf@circ@setlinewidth{bipoles}{\pgfstartlinewidth}
     \pgf@circ@draworfill
-    \endpgfscope
-
-    %\pgfscope
+    \pgf@circ@set@relative@thickness{modifier thickness}
     \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{-\pgf@circ@res@down}}
     \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{1.2\pgf@circ@res@down}}
     \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{1.2\pgf@circ@res@down}}
     \pgfusepath{draw}
-    %\endpgfscope
 }
 
 %% Thermistor PTC
@@ -411,11 +411,12 @@
         \pgfpathrectanglecorners{\pgfpoint{\pgf@circ@res@left}{\ctikzvalof{bipoles/thermistorptc/main}\pgf@circ@res@up}}{\pgfpoint{\pgf@circ@res@right}{-\ctikzvalof{bipoles/thermistorptc/main}\pgf@circ@res@up}}
         \pgf@circ@setlinewidth{bipoles}{\pgfstartlinewidth}
         \pgf@circ@draworfill
+        \pgf@circ@set@relative@thickness{modifier thickness}
+        \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{-\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{-\pgf@circ@res@up}}
+        \pgfusepath{draw}
     \endpgfscope
-    \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{\pgf@circ@res@up}}
-    \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{-\pgf@circ@res@up}}
-    \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{-\pgf@circ@res@up}}
-    \pgfusepath{draw}
 
     \pgfsetlinewidth{\pgfstartlinewidth}
     \pgftext[top,x=.85\pgf@circ@res@left,y=.75\pgf@circ@res@down]{\pgf@circ@font@tiny$\vartheta$}
@@ -440,13 +441,13 @@
         \pgfpathrectanglecorners{\pgfpoint{\pgf@circ@res@left}{\ctikzvalof{bipoles/thermistorntc/main}\pgf@circ@res@up}}{\pgfpoint{\pgf@circ@res@right}{-\ctikzvalof{bipoles/thermistorntc/main}\pgf@circ@res@up}}
         \pgf@circ@setlinewidth{bipoles}{\pgfstartlinewidth}
         \pgf@circ@draworfill
+        \pgf@circ@set@relative@thickness{modifier thickness}
+        \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{-\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{-\pgf@circ@res@up}}
+        \pgfusepath{draw}
     \endpgfscope
 
-    \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{\pgf@circ@res@up}}
-    \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{-\pgf@circ@res@up}}
-    \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{-\pgf@circ@res@up}}
-    \pgfusepath{draw}
-
     \pgfsetlinewidth{\pgfstartlinewidth}
     \pgftext[top,x=.85\pgf@circ@res@left,y=.75\pgf@circ@res@down]{\pgf@circ@font@tiny$\vartheta$}
     \pgfsetarrowsend{latexslim}
@@ -472,13 +473,13 @@
         \pgfpathrectanglecorners{\pgfpoint{\pgf@circ@res@left}{\ctikzvalof{bipoles/varistor/main}\pgf@circ@res@up}}{\pgfpoint{\pgf@circ@res@right}{-\ctikzvalof{bipoles/varistor/main}\pgf@circ@res@up}}
         \pgf@circ@setlinewidth{bipoles}{\pgfstartlinewidth}
         \pgf@circ@draworfill
+        \pgf@circ@set@relative@thickness{modifier thickness}
+        \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{-\pgf@circ@res@down}}
+        \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{\pgf@circ@res@down}}
+        \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@down}}
+        \pgfusepath{draw}
     \endpgfscope
 
-    \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{-\pgf@circ@res@down}}
-    \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{\pgf@circ@res@down}}
-    \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@down}}
-    \pgfusepath{draw}
-
     \pgftext[top,x=.65\pgf@circ@res@left,y=1.2\pgf@circ@res@down]{{\pgf@circ@font@tiny\textsf{U}}}
 }
 
@@ -579,6 +580,7 @@
     \pgf@circ@zigzag{.5}
 
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfcirc@set@arrows{tunable}{}{latexslim}
         \ifpgf@circ@fixtunable@dir
             \pgfpathmoveto{\pgfpoint{-.4\pgf@circ@res@other}{\pgf@circ@res@down}}
@@ -617,6 +619,7 @@
 
     \pgfscope
         %\pgfsetlinewidth{\pgfstartlinewidth}
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfcirc@set@arrows{wiper}{}{latexslim}
         \pgfextractx{\pgf@circ@res@other}{\wiper}
         \pgfpathmoveto{\pgfpoint{\pgf@circ@res@other}{\pgf@circ@res@up}}
@@ -642,6 +645,7 @@
     \pgf@circ@zigzag{.5}
 
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfpathmoveto{\pgfpoint{.4\pgf@circ@res@other}{\pgf@circ@res@up}}
         \pgfpathlineto{\pgfpoint{-.4\pgf@circ@res@other}{\pgf@circ@res@down}}
         \pgfpathlineto{\pgfpoint{-.9\pgf@circ@res@other}{\pgf@circ@res@down}}
@@ -770,6 +774,7 @@
     \pgfpathlineto{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@down}}
     \pgfusepath{draw}
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfpathmoveto{\pgfpoint{2.6\pgf@circ@res@right}{\pgf@circ@res@up}}
         \pgfpathlineto{\pgfpoint{-2.6\pgf@circ@res@right}{1.2\pgf@circ@res@down}}
         \pgfpathlineto{\pgfpoint{-4.4\pgf@circ@res@right}{1.2\pgf@circ@res@down}}
@@ -880,6 +885,7 @@
     \pgfusepath{draw}
 
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfcirc@set@arrows{tunable}{}{latexslim}
         \ifpgf@circ@fixtunable@dir
             \pgfpathmoveto{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@down}}
@@ -931,6 +937,47 @@
         \pgf@circ@draworfill
     \endpgfscope
 }
+
+% Ferroelectric capacitor, suggested by Mayeul Cantan
+% (see https://github.com/circuitikz/circuitikz/issues/515)
+\pgfcircdeclarebipolescaled{capacitors}
+{
+    \anchor{curve right}{\southwest\pgf@x=-1.8\pgf@x\pgf@y=\pgf@y}%
+    \anchor{curve left}{\southwest\pgf@x=1.8\pgf@x\pgf@y=-\pgf@y}%
+    \anchor{kink right}{\southwest\pgf@x=-1.8\pgf@x\pgf@y=0.5\pgf@y}%
+    \anchor{kink left}{\southwest\pgf@x=1.8\pgf@x\pgf@y=-0.5\pgf@y}%
+    \pgfcirc@border@extend@full{1.8}{1}{1.8}{1}
+}
+{\ctikzvalof{bipoles/capacitor/height}}
+{ferrocap}
+{\ctikzvalof{bipoles/capacitor/height}}
+{\ctikzvalof{bipoles/capacitor/width}}
+{
+    \pgfscope
+        \pgfpathrectanglecorners
+        {\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@up}}
+        {\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@down}}
+        \pgf@circ@maybefill
+    \endpgfscope
+
+    \pgf@circ@setlinewidth{bipoles}{\pgfstartlinewidth}
+    \pgfpathmoveto{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@up}}
+    \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@down}}
+
+    \pgfpathmoveto{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@up}}
+    \pgfpathlineto{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@down}}
+    \pgfusepath{draw}
+    \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
+        \pgfsetcornersarced{\pgfpoint{0.2\pgf@circ@res@right}{0.2\pgf@circ@res@up}}
+        \pgfpathmoveto{\pgfpoint{-1.8\pgf@circ@res@right}{\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint{-1.8\pgf@circ@res@right}{0.5\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint{1.8\pgf@circ@res@right}{0.5\pgf@circ@res@down}}
+        \pgfpathlineto{\pgfpoint{1.8\pgf@circ@res@right}{\pgf@circ@res@down}}
+        \pgfusepath{draw}
+    \endpgfscope
+}
+
 % %>>>
 
 %% Paths for capacitors%<<<
@@ -950,6 +997,8 @@
 \pgfcirc@style@to@style{piezoelectric}{PZ}
 \pgfcirc@activate@bipole{l}{capacitivesens}{capacitivesens}{capacitive sensor}
 \pgfcirc@style@to@style{capacitive sensor}{sC}
+\pgfcirc@activate@bipole@simple{l}{ferrocap}
+\pgfcirc@style@to@style{ferrocap}{feC}
 % %>>>
 
 %%%%%%%%%%%%%%%
@@ -1125,6 +1174,7 @@
     \pgfsetbeveljoin
     \pgfusepath{stroke}
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfpathmoveto{\pgfpoint{.8\pgf@circ@res@right}{2\pgf@circ@res@up}}
         \pgfpathlineto{\pgfpoint{-.8\pgf@circ@res@right}{2.6\pgf@circ@res@down}}
         \pgfpathlineto{\pgfpoint{-1.6\pgf@circ@res@right}{2.6\pgf@circ@res@down}}
@@ -1224,6 +1274,7 @@
     {(\ctikzvalof{bipoles/vcuteinductor/width}*\scaledRlen+\pgfhorizontaltransformationadjustment\pgflinewidth+(\ctikzvalof{bipoles/vcuteinductor/coils}-1)*2*\pgf@circ@res@other)/\ctikzvalof{bipoles/vcuteinductor/coils}/2}
 
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfcirc@set@arrows{tunable}{}{latexslim}
         \pgfpathmoveto{\pgfpoint{.4\pgf@circ@res@left}{\pgf@circ@res@down}}
         \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@right}{\pgf@circ@res@up}}
@@ -1320,6 +1371,7 @@
     \pgfsetbeveljoin
     \pgfusepath{stroke}
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfpathmoveto{\pgfpoint{.8\pgf@circ@res@right}{2\pgf@circ@res@up}}
         \pgfpathlineto{\pgfpoint{-.8\pgf@circ@res@right}{2.6\pgf@circ@res@down}}
         \pgfpathlineto{\pgfpoint{-1.6\pgf@circ@res@right}{2.6\pgf@circ@res@down}}
@@ -1371,6 +1423,7 @@
     \pgfusepath{stroke}
 
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfcirc@set@arrows{tunable}{}{latexslim}
         \pgfpathmoveto{\pgfpoint{.4\pgf@circ@res@left}{\pgf@circ@res@down}}
         \pgfpathlineto{\pgfpoint{-.4\pgf@circ@res@left}{\pgf@circ@res@up}}
@@ -1412,12 +1465,13 @@
     \pgfpathrectanglecorners{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@up}}{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@down}}
     \pgf@circ@setlinewidth{bipoles}{\pgfstartlinewidth}
     \pgfusepath{draw,fill}
-    %\pgfscope
-    \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{-2\pgf@circ@res@down}}
-    \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{2\pgf@circ@res@down}}
-    \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{2\pgf@circ@res@down}}
-    \pgfusepath{draw}
-    %\endpgfscope
+    \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
+        \pgfpathmoveto{\pgfpoint{-\pgf@circ@res@left}{-2\pgf@circ@res@down}}
+        \pgfpathlineto{\pgfpoint{.4\pgf@circ@res@left}{2\pgf@circ@res@down}}
+        \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{2\pgf@circ@res@down}}
+        \pgfusepath{draw}
+    \endpgfscope
 }
 
 %% Generic full tunable
@@ -1445,6 +1499,7 @@
     \pgfusepath{draw,fill}
 
     \pgfscope
+        \pgf@circ@set@relative@thickness{modifier thickness}
         \pgfcirc@set@arrows{tunable}{}{latexslim}
         \ifpgf@circ@fixtunable@dir
             \pgfpathmoveto{\pgfpoint{.5\pgf@circ@res@left}{\pgf@circ@res@down}}
diff --git a/Master/texmf-dist/tex/generic/circuitikz/pgfcirclabel.tex b/Master/texmf-dist/tex/generic/circuitikz/pgfcirclabel.tex
index 8e2b4372c68..89539ee6e9b 100644
--- a/Master/texmf-dist/tex/generic/circuitikz/pgfcirclabel.tex
+++ b/Master/texmf-dist/tex/generic/circuitikz/pgfcirclabel.tex
@@ -32,8 +32,6 @@
 
 \ctikzset{label distance/.initial={0pt}}
 \ctikzset{annotation distance/.initial={0pt}}
-\tikzset{label distance/.code={\ctikzset{label distance={#1}}}}
-\tikzset{annotation distance/.code={\ctikzset{annotation distance={#1}}}}
 
 %% Options
 \ctikzset{label/.style = { l={#1} } }
diff --git a/Master/texmf-dist/tex/generic/circuitikz/pgfcirctripoles.tex b/Master/texmf-dist/tex/generic/circuitikz/pgfcirctripoles.tex
index 1fa81e73262..e013c51c3b3 100644
--- a/Master/texmf-dist/tex/generic/circuitikz/pgfcirctripoles.tex
+++ b/Master/texmf-dist/tex/generic/circuitikz/pgfcirctripoles.tex
@@ -2881,6 +2881,15 @@
 \ctikzset{no schottky base/.add code={}{\pgf@circuit@bpt@schottkyfalse}}
 \ctikzset{tripoles/schottky base size/.initial=0.05}
 
+% Option to add ferroelectric symbol
+\newif\ifpgf@circuit@tr@ferroel
+\pgf@circuit@tr@ferroelfalse
+\pgfkeys{/tikz/ferroel gate/.add code={}{\pgf@circuit@tr@ferroeltrue}}
+\ctikzset{ferroel gate/.add code={}{\pgf@circuit@tr@ferroeltrue}}
+\pgfkeys{/tikz/no ferroel gate/.add code={}{\pgf@circuit@tr@ferroelfalse}}
+\ctikzset{no ferroel gate/.add code={}{\pgf@circuit@tr@ferroelfalse}}
+
+
 % Option draw bpt without base connection
 \newif\ifpgf@circuit@bpt@drawbase
 \pgf@circuit@bpt@drawbasetrue
@@ -2990,7 +2999,7 @@
 \ctikzset{tripoles/hemt/conn height/.initial=0}
 \ctikzset{tripoles/hemt/height/.initial=1.1}
 \ctikzset{tripoles/hemt/base width/.initial=.5}
-\ctikzset{tripoles/hemt/gate width/.initial=.62}
+\ctikzset{tripoles/hemt/gate width/.initial=.5}% the horizontal position is the same
 \ctikzset{tripoles/hemt/bodydiode scale/.initial=.3}
 \ctikzset{tripoles/hemt/bodydiode distance/.initial=.3}
 \ctikzset{tripoles/hemt/bodydiode conn/.initial=.6}
@@ -3221,6 +3230,7 @@
 \ctikzset{tripoles/njfet/gate height/.initial=.5}
 \ctikzset{tripoles/njfet/gate height 2/.initial=.35}
 \ctikzset{tripoles/njfet/gate width/.initial=.5}
+\ctikzset{tripoles/njfet/base width/.initial=.5}
 \ctikzset{tripoles/njfet/conn height/.initial=.35}
 \ctikzset{tripoles/njfet/height/.initial=1.1}
 \ctikzset{tripoles/njfet/bodydiode scale/.initial=.3}
@@ -3232,6 +3242,7 @@
 \ctikzset{tripoles/pjfet/gate height/.initial=.5}
 \ctikzset{tripoles/pjfet/gate height 2/.initial=.35}
 \ctikzset{tripoles/pjfet/gate width/.initial=.5}
+\ctikzset{tripoles/pjfet/base width/.initial=.5}
 \ctikzset{tripoles/pjfet/conn height/.initial=.35}
 \ctikzset{tripoles/pjfet/height/.initial=1.1}
 \ctikzset{tripoles/pjfet/bodydiode scale/.initial=.3}
@@ -3354,6 +3365,82 @@
     \fi
 }
 
+% add a ferroelectric squish to transistors
+
+\def\pgfcirc@ferroelectric#1#2{% #1 -> transistor type, #2 horizontal enlargment (prop to ...@left),
+    \ifpgf@circuit@tr@ferroel\pgfscope
+        \pgf@circ@setlinewidth{tripoles}{\pgflinewidth}
+        \pgf@circ@set@relative@thickness{modifier thickness}
+        % base-gate center and width of the sigmoid
+        \pgfmathsetlength{\pgf@circ@res@other}
+        {0.5*(\ctikzvalof{tripoles/#1/gate width}+\ctikzvalof{tripoles/#1/base width}-(#2))*\pgf@circ@res@left}
+        \pgfmathsetlength{\pgf@circ@res@temp}
+        {1.2*abs(\ctikzvalof{tripoles/#1/gate width}-\ctikzvalof{tripoles/#1/base width}+0.5*(#2))*\pgf@circ@res@left}
+        \pgfsetcornersarced{\pgfpoint{-0.2\pgf@circ@res@temp}{-0.2\pgf@circ@res@temp}}
+        \pgfpathmoveto{\pgfpoint
+            {\pgf@circ@res@other+\pgf@circ@res@temp}
+            {1.1*\ctikzvalof{tripoles/#1/base height}*\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint
+            {\pgf@circ@res@other+\pgf@circ@res@temp}
+            {0.5*\ctikzvalof{tripoles/#1/base height}*\pgf@circ@res@up}}
+        \pgfpathlineto{\pgfpoint
+            {\pgf@circ@res@other-\pgf@circ@res@temp}
+            {0.5*\ctikzvalof{tripoles/#1/base height}*\pgf@circ@res@down}}
+        \pgfpathlineto{\pgfpoint
+            {\pgf@circ@res@other-\pgf@circ@res@temp}
+            {1.1*\ctikzvalof{tripoles/#1/base height}*\pgf@circ@res@down}}
+        \pgfusepath{draw}
+    \endpgfscope\fi
+}
+
+\ctikzset{tr gap fill/.initial=none}
+\tikzset{tr gap fill/.style={\circuitikzbasekey/tr gap fill={#1}}}
+% fill the gap in relevant transistors
+\def\pgfcirc@fillgategap#1{% #1 transistor type
+    \edef\@@@none{none}\edef\@@@color{\ctikzvalof{tr gap fill}}% always exists
+    \ifx\@@@none\@@@color\relax\else
+        \begingroup % save the value of @res: other, step, temp
+        \edef\@@@doit{1}% draw it, set to zero if we give up
+        % ok, we have the color here. we have to get center position, with and height
+        % normally is gate height; but in igbt is outer base height (grrrr)
+        \pgfkeysifdefined{\circuitikzbasekey/tripoles/#1/outer base height}{
+            % yes, it's an IGBT
+            \pgfmathsetlength{\pgf@circ@res@other}{\ctikzvalof{tripoles/#1/outer base height}*\pgf@circ@res@up}
+        }{
+            %no. Let's try with gate height
+             \pgfkeysifdefined{\circuitikzbasekey/tripoles/#1/gate height}{
+                 % yes, go for it
+                \pgfmathsetlength{\pgf@circ@res@other}{\ctikzvalof{tripoles/#1/gate height}*\pgf@circ@res@up}
+            }{
+                %no, give up, let value to 0
+                \edef\@@@doit{0}
+            }
+        }
+        % now we have to find x1 and x2: these are base width and gate width
+        % if do not have one of that, bail out.
+        \pgfkeysifdefined{\circuitikzbasekey/tripoles/#1/gate width}{
+                \pgfmathsetlength{\pgf@circ@res@temp}{\ctikzvalof{tripoles/#1/gate width}*\pgf@circ@res@left}
+            }{
+                \edef\@@@doit{0}
+            }
+        \pgfkeysifdefined{\circuitikzbasekey/tripoles/#1/base width}{
+                \pgfmathsetlength{\pgf@circ@res@step}{\ctikzvalof{tripoles/#1/base width}*\pgf@circ@res@left}
+            }{
+                \edef\@@@doit{0}
+            }
+        % if found, draw it.
+        \ifnum\@@@doit>0\relax
+            \pgfscope
+                \pgfsetfillcolor{\@@@color}
+                \pgfsetcolor{\@@@color}
+                \pgfpathrectanglecorners{\pgfpoint{\pgf@circ@res@temp}{\pgf@circ@res@other}}{\pgfpoint{\pgf@circ@res@step}{-\pgf@circ@res@other}}
+                \pgfusepath{fill, draw}
+            \endpgfscope
+        \fi
+        \endgroup
+    \fi
+}
+
 \long\def\pgfcircdeclaretransistor#1#2#3{
     \pgfdeclareshape{#1}
     {
@@ -3418,6 +3505,22 @@
         \anchor{circle center}{
             \pgf@y=0pt\pgf@x=\circleleft\advance\pgf@x by\circleradius
         }
+        \savedanchor{\centergap}{% this is the center position between gate and base
+            % get "left"
+            \pgfmathsetlength{\pgf@circ@scaled@Rlen}{\ctikzvalof{\ctikzclass/scale}\pgf@circ@Rlen}
+            \pgf@xa=-\ctikzvalof{tripoles/#1/width}\pgf@circ@scaled@Rlen
+            \pgfkeysifdefined{\circuitikzbasekey/tripoles/#1/gate width}{
+                % yes, we have a separated gate
+                \pgfmathsetlength{\pgf@x}
+                {0.5*(\ctikzvalof{tripoles/#1/gate width}+\ctikzvalof{tripoles/#1/base width})*\pgf@xa}
+            }{
+                % no, use just the base
+                \pgfmathsetlength{\pgf@x}
+                {\ctikzvalof{tripoles/#1/base width}*\pgf@xa}
+            }
+            \pgf@y=0pt\relax
+        }
+        \anchor{centergap}{\centergap}
         \anchor{center}{
             \pgfpointorigin
         }
@@ -4272,6 +4375,8 @@
     {
         % add the circle if requested (before everything else, so we can fill it)
         \pgfcirc@transistorcircle
+        % fill the gap color if requested
+        \pgfcirc@fillgategap{#1}
         %draw upper connection
         \pgfpathmoveto{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@up+\pgfverticaltransformationadjustment*.5*\pgflinewidth}}
         \pgfpathlineto{\pgfpoint{\pgf@circ@res@right}
@@ -4563,6 +4668,8 @@
     }{%
     % add the circle if requested (before everything else, so we can fill it)
     \pgfcirc@transistorcircle
+    % fill the gap color if requested
+    \pgfcirc@fillgategap{nmos}
 
     \pgfpathmoveto{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@up+\pgfverticaltransformationadjustment*.5*\pgflinewidth}}
     \pgfpathlineto{\pgfpoint{\pgf@circ@res@right}
@@ -4636,6 +4743,8 @@
                 {\pgf@circ@res@up+\pgf@circ@res@down}}
         \pgfusepath{draw}
     \fi
+
+    \pgfcirc@ferroelectric{nmos}{0}
 }
 
 \pgfcircdeclaretransistor{pmos}{
@@ -4650,6 +4759,9 @@
     }{%
     % add the circle if requested (before everything else, so we can fill it)
     \pgfcirc@transistorcircle
+    % fill the gap color if requested
+    \pgfcirc@fillgategap{nmos}
+
     \pgfpathmoveto{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@up+\pgfverticaltransformationadjustment*.5*\pgflinewidth}}
     \pgfpathlineto{\pgfpoint{\pgf@circ@res@right}
     {\ctikzvalof{tripoles/pmos/gate height}\pgf@circ@res@up}}
@@ -4738,6 +4850,8 @@
         \fi
         \pgfusepath{draw,fill}
     \fi
+
+    \pgfcirc@ferroelectric{pmos}{0}
 }
 
 %%% depletion MOSFET (simplified symbols)
@@ -4782,6 +4896,8 @@
     % draw depletion channel
     % add the circle if requested (before everything else, so we can fill it)
     \pgfcirc@transistorcircle
+    % fill the gap color if requested
+    \pgfcirc@fillgategap{nmos}
     \pgfscope
         \pgfpathrectanglecorners
         {\pgfpoint
@@ -4864,6 +4980,8 @@
                 {\pgf@circ@res@up+\pgf@circ@res@down}}
         \pgfusepath{draw}
     \fi
+
+    \pgfcirc@ferroelectric{nmosd}{\ctikzvalof{tripoles/nmosd/depletion width}}
 }
 
 \pgfcircdeclaretransistor{pmosd}{
@@ -4884,6 +5002,8 @@
     }{%
     % add the circle if requested (before everything else, so we can fill it)
     \pgfcirc@transistorcircle
+    % fill the gap color if requested
+    \pgfcirc@fillgategap{nmos}
     % draw depletion channel
     \pgfscope
         \pgfpathrectanglecorners
@@ -4983,6 +5103,8 @@
         \fi
         \pgfusepath{draw,fill}
     \fi
+
+    \pgfcirc@ferroelectric{pmosd}{\ctikzvalof{tripoles/pmosd/depletion width}}
 }
 %% HEMT FET Transistor
 \pgfcircdeclaretransistor{hemt}{
@@ -5023,17 +5145,21 @@
         \pgfusepath{draw}
     \endpgfscope
 
-    \pgfpathmoveto{\pgfpoint
-        {\ctikzvalof{tripoles/hemt/base width}\pgf@circ@res@left}
-    {\pgf@circ@res@up+\pgf@circ@res@down}}
-    \pgfpathlineto{\pgfpoint{\pgf@circ@res@left-\pgfhorizontaltransformationadjustment*.5*\pgflinewidth}{\pgf@circ@res@up+\pgf@circ@res@down}}
-    \pgfusepath{draw}
+    \ifpgf@circuit@bpt@drawgate
+        \pgfpathmoveto{\pgfpoint
+            {\ctikzvalof{tripoles/hemt/base width}\pgf@circ@res@left}
+        {\pgf@circ@res@up+\pgf@circ@res@down}}
+        \pgfpathlineto{\pgfpoint{\pgf@circ@res@left-\pgfhorizontaltransformationadjustment*.5*\pgflinewidth}{\pgf@circ@res@up+\pgf@circ@res@down}}
+        \pgfusepath{draw}
+    \fi
 }
 
 \long\def\drawfetcore#1{
     \pgftransformationadjustments
     % add the circle if requested (before everything else, so we can fill it)
     \pgfcirc@transistorcircle
+    % fill the gap color if requested
+    \pgfcirc@fillgategap{#1}
 
     %top connection
     \pgfpathmoveto{\pgfpoint{\pgf@circ@res@right}{\pgf@circ@res@up+\pgfverticaltransformationadjustment*.5*\pgflinewidth}}
@@ -5132,21 +5258,23 @@
         \pgfnode{trarrow}{\@@anchor}{}{}{\pgfusepath{stroke}}
     \endpgfscope
 
-% GATE CONNECTION
-\ifpgf@circuit@bpt@drawgate
-    \ifpgf@circuit@trans@ntype
-        \pgfpathmoveto{\pgfpoint
-            {\ctikzvalof{tripoles/#1/gate width}\pgf@circ@res@left}
-        {\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
-        \pgfpathlineto{\pgfpoint{\pgf@circ@res@left-\pgfhorizontaltransformationadjustment*.5*\pgflinewidth}{\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
-    \else
-        \pgfpathmoveto{\pgfpoint
-            {\ctikzvalof{tripoles/#1/gate width}\pgf@circ@res@left}
-        {-\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
-        \pgfpathlineto{\pgfpoint{\pgf@circ@res@left-\pgfhorizontaltransformationadjustment*.5*\pgflinewidth}{-\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
+    % GATE CONNECTION
+    \ifpgf@circuit@bpt@drawgate
+        \ifpgf@circuit@trans@ntype
+            \pgfpathmoveto{\pgfpoint
+                {\ctikzvalof{tripoles/#1/gate width}\pgf@circ@res@left}
+            {\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
+            \pgfpathlineto{\pgfpoint{\pgf@circ@res@left-\pgfhorizontaltransformationadjustment*.5*\pgflinewidth}{\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
+        \else
+            \pgfpathmoveto{\pgfpoint
+                {\ctikzvalof{tripoles/#1/gate width}\pgf@circ@res@left}
+            {-\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
+            \pgfpathlineto{\pgfpoint{\pgf@circ@res@left-\pgfhorizontaltransformationadjustment*.5*\pgflinewidth}{-\ctikzvalof{tripoles/#1/conn height}\pgf@circ@res@down}}
+        \fi
+        \pgfusepath{draw}
     \fi
-    \pgfusepath{draw}
-\fi
+
+    \pgfcirc@ferroelectric{#1}{0}
 
 }