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|
(**************************************************************************)
(* *)
(* Copyright (C) Johannes Kanig, Stephane Lescuyer *)
(* Jean-Christophe Filliatre, Romain Bardou and Francois Bobot *)
(* *)
(* This software is free software; you can redistribute it and/or *)
(* modify it under the terms of the GNU Library General Public *)
(* License version 2.1, with the special exception on linking *)
(* described in file LICENSE. *)
(* *)
(* This software is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *)
(* *)
(**************************************************************************)
open Format
open Misc
open Concrete_types
open Types
module C = Compiled_types
let externalimage_dimension filename : float * float =
let inch = Unix.open_process_in ("identify -format \"%h\\n%w\" "^filename) in
try let h = float_of_string (input_line inch) in
let w = float_of_string (input_line inch) in (h,w)
with End_of_file | Failure "float_of_string" ->
invalid_arg "Unknown external image"
let name = pp_print_string
let piccorner fmt p =
match corner_reduce p with
| `Northwest -> fprintf fmt "ulcorner"
| `Northeast -> fprintf fmt "urcorner"
| `Southwest -> fprintf fmt "llcorner"
| `Southeast -> fprintf fmt "lrcorner"
let position fmt p =
match pos_reduce p with
| `Center -> fprintf fmt ""
| `West -> fprintf fmt ".lft"
| `East -> fprintf fmt ".rt"
| `North -> fprintf fmt ".top"
| `South -> fprintf fmt ".bot"
| `Northwest -> fprintf fmt ".ulft"
| `Northeast -> fprintf fmt ".urt"
| `Southwest -> fprintf fmt ".llft"
| `Southeast -> fprintf fmt ".lrt"
let rec num fmt = function
| C.F f ->
if f = infinity then fprintf fmt "infinity"
else if f > 4095. then fprintf fmt "%g" 4095.
else if abs_float f < 0.0001 then fprintf fmt "0"
else fprintf fmt "%g" f
| C.NXPart p -> fprintf fmt "xpart %a" point p
| C.NYPart p -> fprintf fmt "ypart %a" point p
| C.NAdd (f1, f2) -> fprintf fmt "(%a +@ %a@,)" num f1 num f2
| C.NSub (f1, f2) -> fprintf fmt "(%a -@ %a@,)" num f1 num f2
| C.NMult (f1, f2) -> fprintf fmt "(%a *@ %a@,)" num f1 num f2
| C.NDiv (f1, f2) -> fprintf fmt "(%a /@ %a@,)" num f1 num f2
| C.NMax (f1, f2) -> fprintf fmt "max(@ %a,@ %a@,)" num f1 num f2
| C.NMin (f1, f2) -> fprintf fmt "min(@ %a,@ %a@,)" num f1 num f2
| C.NGMean (f1, f2) -> fprintf fmt "(%a@ ++@ %a@,)" num f1 num f2
| C.NName n -> pp_print_string fmt n
| C.NLength p -> fprintf fmt "length (%a@,)" path p
| C.NIfnullthenelse (n,n1,n2) ->
fprintf fmt "(if (%a = 0): %a else: %a fi)"
num n num n1 num n2
and float fmt f = num fmt (C.F f)
and scolor fmt = function
| RGB (r,g,b) -> fprintf fmt "(%a, %a , %a@,)" float r float g float b
| CMYK (c,m,y,k) ->
fprintf fmt "(%a, %a, %a, %a@,)" float c float m float y float k
| Gray f -> fprintf fmt "%a * white" float f
and color fmt = function
| OPAQUE c -> scolor fmt c
| TRANSPARENT (f,c) -> fprintf fmt "transparent (1,%a,%a@,)" float f scolor c
(* 1 is the "normal" mode *)
and point fmt = function
| C.PTPair (m,n) -> fprintf fmt "(%a,@ %a@,)" num m num n
| C.PTPicCorner (pic, d) -> fprintf fmt "(%a@ %a@,)" piccorner d picture pic
| C.PTAdd (p1, p2) -> fprintf fmt "(%a +@ %a@,)" point p1 point p2
| C.PTSub (p1, p2) -> fprintf fmt "(%a -@ %a@,)" point p1 point p2
| C.PTMult (f, p) -> fprintf fmt "(%a *@ %a@,)" num f point p
| C.PTRotated (f, p) -> fprintf fmt "(%a rotated@ %a@,)" point p float f
| C.PTPointOf (f, p) -> fprintf fmt "(point %a@ of (%a))" num f path p
| C.PTDirectionOf (f, p) ->
fprintf fmt "(direction %a@ of (%a))" num f path p
| C.PTTransformed (p,tr) -> fprintf fmt "((%a)@ %a@,)" point p transform tr
| C.PTName pn -> pp_print_string fmt pn
and transform fmt = function
| C.TRScaled a -> fprintf fmt "scaled %a@," num a
| C.TRShifted a -> fprintf fmt "shifted %a@," point a
| C.TRRotated a -> fprintf fmt "rotated %a@," float a
| C.TRSlanted a -> fprintf fmt "slanted %a@," num a
| C.TRXscaled a -> fprintf fmt "xscaled %a@," num a
| C.TRYscaled a -> fprintf fmt "yscaled %a@," num a
| C.TRZscaled a -> fprintf fmt "zscaled %a@," point a
| C.TRReflect (p1,p2) ->
fprintf fmt "reflectedabout (%a,@ %a)@," point p1 point p2
| C.TRRotateAround (p,f) ->
fprintf fmt "rotatedaround(%a,@ %a)@," point p float f
| C.TRName tn -> fprintf fmt "transformed %s" tn
and picture fmt = function
| C.PITex s -> fprintf fmt "btex %s etex" s
| C.PITransformed (p, tr) -> fprintf fmt "((%a) %a@,)" picture p transform tr
| C.PIName n -> pp_print_string fmt n
and path fmt = function
C.PAScope p -> fprintf fmt "(%a@,)" path p
| C.PAFullCircle -> fprintf fmt "fullcircle"
| C.PAHalfCircle -> fprintf fmt "halfcircle"
| C.PAQuarterCircle -> fprintf fmt "quartercircle"
| C.PAUnitSquare -> fprintf fmt "unitsquare"
| C.PATransformed (p,tr) -> fprintf fmt "((%a) %a@,)" path p transform tr
| C.PAAppend (p1,j,p2) -> fprintf fmt "%a %a@ %a" path p1 joint j path p2
| C.PACycle (d,j,p) -> fprintf fmt "%a %a %acycle" path p joint j direction d
| C.PAConcat (k,j,p) -> fprintf fmt "%a %a@ %a" path p joint j knot k
| C.PAKnot k -> knot fmt k
| C.PACutAfter (p1, p2) -> fprintf fmt "%a cutafter (%a)@ " path p2 path p1
| C.PACutBefore (p1, p2) -> fprintf fmt "%a cutbefore (%a)@ " path p2 path p1
| C.PABuildCycle l ->
fprintf fmt "buildcycle(%a@,)" (Misc.print_list comma path) l
| C.PASub (f1, f2, p) ->
fprintf fmt "subpath(%a,%a) of %a" num f1 num f2 name p
| C.PABBox p -> fprintf fmt "bbox %a" picture p
| C.PAName n -> pp_print_string fmt n
and joint fmt = function
| C.JLine -> fprintf fmt "--"
| C.JCurve -> fprintf fmt ".."
| C.JCurveNoInflex -> fprintf fmt "..."
| C.JTension (a,b) -> fprintf fmt "..tension %a and %a .." float a float b
| C.JControls (a,b) -> fprintf fmt "..controls %a and %a .." point a point b
and direction fmt = function
| C.NoDir -> ()
| C.Vec p -> fprintf fmt "{%a}" point p
(* Why there is not the same thing than in Num?*)
| C.Curl f -> fprintf fmt "{curl %a}" float f
and knot fmt (d1,p,d2) = fprintf fmt "%a%a%a" direction d1 point p direction d2
and dash fmt = function
| C.DEvenly -> fprintf fmt "evenly"
| C.DWithdots -> fprintf fmt "withdots"
| C.DScaled (s, d) -> fprintf fmt "%a scaled %a" dash d num s
| C.DShifted (p, d) -> fprintf fmt "%a shifted %a" dash d point p
| C.DPattern l ->
fprintf fmt "dashpattern(";
List.iter
(fun p ->
let p,n = match p with C.On n -> "on", n | C.Off n -> "off", n in
fprintf fmt "%s %a " p num n)
l;
fprintf fmt ")"
and pen fmt = function
| C.PenCircle -> fprintf fmt "pencircle"
| C.PenSquare -> fprintf fmt "pensquare"
| C.PenFromPath p -> fprintf fmt "makepen (%a@,)" path p
| C.PenTransformed (p,tr) -> fprintf fmt "%a %a" pen p transform tr
and command fmt = function
| C.CDraw (pa, c, pe, dashed) ->
fprintf fmt "@[<hov 2>draw@ %a@,%a@,%a@,%a;@]@\n" path pa
(print_option " withcolor " color) c
(print_option " withpen " pen) pe
(print_option " dashed " dash) dashed
| C.CDrawArrow (pa, c, pe, dashed) ->
fprintf fmt "drawarrow %a%a%a%a;@\n" path pa
(print_option " withcolor " color) c
(print_option " withpen " pen) pe
(print_option " dashed " dash) dashed
| C.CFill (pa, c) ->
fprintf fmt "fill %a%a;@\n" path pa (print_option " withcolor " color) c
| C.CLabel (pic,pos,p) ->
fprintf fmt "label%a(%a,@ %a); @\n" position pos picture pic point p
| C.CDotLabel (pic,pos,p) ->
fprintf fmt "@[<hov 2>dotlabel%a(%a,@ %a);@]@\n"
position pos picture pic point p
| C.CDrawPic p -> fprintf fmt "draw %a;@\n" picture p
| C.CSeq l -> List.iter (fun c -> command fmt c) l
| C.CDeclPath (n, p) -> fprintf fmt "path %s ;@\n%s = %a;@\n" n n path p
| C.CDeclPoint (n, p) -> fprintf fmt "pair %s ;@\n%s = %a;@\n" n n point p
| C.CDeclNum (n, nm) -> fprintf fmt "numeric %s ;@\n%s = %a;@\n" n n num nm
| C.CSimplePic (pn1, pexpr) ->
fprintf fmt "picture %s;@\n" pn1;
fprintf fmt "%s := %a;@\n" pn1 picture pexpr;
| C.CDefPic (pic, cmd) ->
(* Declpic (savepic, currentpicture);
* Assign (currentpicture, nullpicture);
* cmd;
* Assign (pic, currentpicture);
* Assign (currentpicture, savepic) *)
let savepic = Name.picture () in
fprintf fmt "picture %s, %s ;@\n" savepic pic;
fprintf fmt "%s = currentpicture;@\n" savepic;
fprintf fmt "currentpicture := nullpicture;@\n";
command fmt cmd;
fprintf fmt "%s = currentpicture;@\n" pic;
fprintf fmt "currentpicture := %s;@\n" savepic
| C.CDefTrans (n,t) ->
fprintf fmt "transform %s ;@\n\
xpart %s = %a;@\n\
ypart %s = %a;@\n\
xxpart %s = %a;@\n\
xypart %s = %a;@\n\
yxpart %s = %a;@\n\
yypart %s = %a;@\n@." n
n num t.C.x0 n
num t.C.y0 n num t.C.xx n num t.C.xy n num t.C.yx n num t.C.yy
| C.CClip (pic,pth) -> fprintf fmt "clip %s to %a;@\n" pic path pth
| C.CExternalImage (filename, spec) ->
match spec with
| `Exact (h,w) ->
fprintf fmt "externalfigure \"%s\" xyscaled (%a,%a);@\n"
filename num w num h
| ((`None as spec) | (`Height _ as spec)|
(`Width _ as spec)| (`Inside _ as spec)) ->
let fh,fw = externalimage_dimension filename in
let printext h w =
fprintf fmt "externalfigure \"%s\" xyscaled (%a,%a);@\n"
filename num w num h in
match spec with
| `None -> printext (C.F fh) (C.F fw)
| `Height h -> printext h (C.NMult (C.F (fw/.fh),h))
| `Width w -> printext (C.NMult (C.F (fh/.fw),w)) w
| `Inside (h,w) ->
let w = C.NMin (C.NMult (h,C.F (fw/.fh)),w) in
printext (C.NMult (C.F (fh/.fw),w)) w
|
