1 files changed, 93 insertions, 0 deletions
diff --git a/metapost/context/base/mp-bare.mpiv b/metapost/context/base/mp-bare.mpiv
new file mode 100644
index 000000000..c6194b1ee
--- /dev/null
+++ b/metapost/context/base/mp-bare.mpiv
@@ -0,0 +1,93 @@
+%D \module
+%D   [       file=mp-bare.mpiv,
+%D        version=2014.10.31,
+%D          title=\CONTEXT\ \METAPOST\ graphics,
+%D       subtitle=plain plugins,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See licen-en.pdf for
+%C details.
+
+if known context_bare : endinput ; fi ;
+boolean context_bare  ; context_bare := true ;
+
+numeric mfun_tt_w[], mfun_tt_h[], mfun_tt_d[] ;
+numeric mfun_tt_n ; mfun_tt_n := 0 ;
+picture mfun_tt_p ; mfun_tt_p := nullpicture ;
+picture mfun_tt_o ; mfun_tt_o := nullpicture ;
+picture mfun_tt_c ; mfun_tt_c := nullpicture ;
+
+if unknown mfun_trial_run :
+    boolean mfun_trial_run ;
+    mfun_trial_run := false ;
+fi ;
+
+if unknown mfun_first_run :
+    boolean mfun_first_run ;
+    mfun_first_run := true ;
+fi ;
+
+def mfun_reset_tex_texts =
+    mfun_tt_n := 0 ;
+    mfun_tt_p := nullpicture ;
+    mfun_tt_o := nullpicture ; % redundant
+    mfun_tt_c := nullpicture ; % redundant
+enddef ;
+
+def mfun_flush_tex_texts =
+    addto currentpicture also mfun_tt_p
+enddef ;
+
+extra_beginfig := extra_beginfig & "mfun_reset_tex_texts ;" ;
+extra_endfig   := "mfun_flush_tex_texts ; mfun_reset_tex_texts ; " & extra_endfig ;
+
+vardef colordecimals primary c =
+    if cmykcolor c  :
+        decimal cyanpart c & ":" & decimal magentapart c & ":" & decimal yellowpart c & ":" & decimal blackpart c
+    elseif rgbcolor c :
+        decimal redpart c & ":" & decimal greenpart c & ":" & decimal bluepart c
+    else :
+        decimal c
+    fi
+enddef ;
+
+vardef rawtextext(expr str) = % todo: avoid currentpicture
+    if str = "" :
+        nullpicture
+    else :
+        mfun_tt_n := mfun_tt_n + 1 ;
+        mfun_tt_c := nullpicture ;
+        if mfun_trial_run :
+            mfun_tt_o := nullpicture ;
+            addto mfun_tt_o doublepath origin _op_ ; % save drawoptions
+            addto mfun_tt_c doublepath unitsquare
+                withprescript "tx_number=" & decimal mfun_tt_n
+                withprescript "tx_stage=trial"
+                withprescript "tx_color=" & colordecimals colorpart mfun_tt_o
+                withpostscript str ;
+            addto mfun_tt_p also mfun_tt_c ;
+        elseif known mfun_tt_d[mfun_tt_n] :
+            addto mfun_tt_c doublepath unitsquare
+                xscaled mfun_tt_w[mfun_tt_n]
+                yscaled (mfun_tt_h[mfun_tt_n] + mfun_tt_d[mfun_tt_n])
+                shifted (0,-mfun_tt_d[mfun_tt_n])
+                withprescript "tx_number=" & decimal mfun_tt_n
+                withprescript "tx_stage=final" ;
+        else :
+            addto mfun_tt_c doublepath unitsquare ; % unitpicture
+        fi ;
+        mfun_tt_c
+    fi
+enddef ;
+
+primarydef str infont name = % nasty hack
+    if name = "" :
+        rawtextext(str)
+    else :
+        rawtextext("\definedfont[" & name & "]" & str)
+    fi
+enddef ;
+