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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. *)
(* *)
(**************************************************************************)
type name = string
include Concrete_types
type corner = [
| `Northwest | `Northeast | `Southwest | `Southeast
| `Upleft | `Upright | `Lowleft | `Lowright
| `Upperleft | `Upperright | `Lowerleft | `Lowerright
| `Topleft | `Topright | `Bottomleft | `Bottomright
]
type corner_red = [
| `Northwest | `Northeast | `Southwest | `Southeast
]
type hposition = [
`Center | `West | `East
| `Left | `Right
]
type vposition = [
`Center | `North | `South
| `Top | `Bot (** deprecated *) | `Bottom
]
type hposition_red = [
`Center | `West | `East
]
type vposition_red = [
`Center | `North | `South
]
type position = [ | hposition | vposition | corner ]
type position_red = [ | hposition_red | vposition_red | corner_red ]
open Hashcons
type num_node =
| F of float
| NXPart of point
| NYPart of point
| NAdd of num * num
| NSub of num * num
| NMult of num * num
| NDiv of num * num
| NMax of num * num
| NMin of num * num
| NGMean of num * num
| NLength of path
| NIfnullthenelse of num * num * num
and num = num_node hash_consed
and point_node =
| PTPair of num * num
| PTPicCorner of commandpic * corner
| PTPointOf of num * path
| PTDirectionOf of num * path
| PTAdd of point * point
| PTSub of point * point
| PTMult of num * point
| PTRotated of float * point
| PTTransformed of point * transform
and point = point_node hash_consed
and on_off_node =
| On of num
| Off of num
and on_off = on_off_node hash_consed
and direction_node =
| Vec of point
| Curl of float
| NoDir
and direction = direction_node hash_consed
and joint_node =
| JLine
| JCurve
| JCurveNoInflex
| JTension of float * float
| JControls of point * point
and joint = joint_node hash_consed
and knot_node =
{ knot_in : direction ; knot_p : point ; knot_out : direction }
and knot = knot_node hash_consed
and metapath_node =
| MPAConcat of knot * joint * metapath
| MPAKnot of knot
| MPAAppend of metapath * joint * metapath
| MPAofPA of path
(*| MPATransformed of metapath * transform*)
and metapath = metapath_node hash_consed
and path_node =
| PAofMPA of metapath
| MPACycle of direction * joint * metapath
| PAFullCircle
| PAHalfCircle
| PAQuarterCircle
| PAUnitSquare
| PATransformed of path * transform
| PACutAfter of path * path
| PACutBefore of path * path
| PABuildCycle of path list
| PASub of num * num * path
| PABBox of commandpic
and path = path_node hash_consed
and matrix =
{ xx : num; yx : num;
xy : num; yy : num; x0 : num; y0 : num; }
and transform_node =
| TRRotated of float
| TRScaled of num
| TRShifted of point
| TRSlanted of num
| TRXscaled of num
| TRYscaled of num
| TRZscaled of point
| TRReflect of point * point
| TRRotateAround of point * float
| TRMatrix of matrix
and transform = transform_node hash_consed
and dash_node =
| DEvenly
| DWithdots
| DScaled of num * dash
| DShifted of point * dash
| DPattern of on_off list
and dash = dash_node hash_consed
and pen_node =
| PenCircle
| PenSquare
| PenFromPath of path
| PenTransformed of pen * transform
and pen = pen_node hash_consed
and picture_node =
| PITex of string
| PITransformed of commandpic * transform
| PIClip of commandpic * path
and picture = picture_node hash_consed
and command_node =
| CDraw of path * brush
| CFill of path * color option
| CLabel of commandpic * position * point
| CDotLabel of commandpic * position * point
| CExternalImage of string * spec_image
and spec_image =
[ `None
| `Width of num (* keep the proportion of the image *)
| `Height of num
| `Inside of num * num (* must be inside a box of this height and width *)
| `Exact of num * num]
and command = command_node hash_consed
and commandpic_node =
| Picture of picture
| Command of command
| Seq of commandpic list
and commandpic = commandpic_node hash_consed
and brush_node = {pen : pen option;
dash : dash option;
color : color option}
and brush = brush_node hash_consed
let hash_float = Hashtbl.hash
let hash_piccorner = Hashtbl.hash
let hash_string = Hashtbl.hash
let combine n acc = acc * 65599 + n
let combine2 n acc1 acc2 = combine n (combine acc1 acc2)
let combine3 n acc1 acc2 acc3 = combine n (combine acc1 (combine acc2 acc3))
let combine4 n acc1 acc2 acc3 acc4 = combine n (combine3 acc1 acc2 acc3 acc4)
let num = function
| F f -> combine 1 (hash_float f)
| NXPart p -> combine 2 p.hkey
| NYPart p -> combine 3 p.hkey
| NAdd(n,m) -> combine2 4 n.hkey m.hkey
| NSub(n,m) -> combine2 5 n.hkey m.hkey
| NMult(n,m) -> combine2 6 n.hkey m.hkey
| NDiv(n,m) -> combine2 7 n.hkey m.hkey
| NMax(n,m) -> combine2 8 n.hkey m.hkey
| NMin(n,m) -> combine2 9 n.hkey m.hkey
| NGMean(n,m) -> combine2 10 n.hkey m.hkey
| NLength p -> combine 11 p.hkey
| NIfnullthenelse (n,n1,n2) -> combine3 12 n.hkey n1.hkey n2.hkey
let point = function
| PTPair(n,m) -> combine2 12 n.hkey m.hkey
| PTPicCorner(p,pc) -> combine2 13 p.hkey (hash_piccorner pc)
| PTPointOf(f,p) -> combine2 14 (hash_float f) p.hkey
| PTDirectionOf(f,p) -> combine2 15 (hash_float f) p.hkey
| PTAdd(p,q) -> combine2 16 p.hkey q.hkey
| PTSub(p,q) -> combine2 17 p.hkey q.hkey
| PTMult(n,q) -> combine2 18 n.hkey q.hkey
| PTRotated(f,p) -> combine2 19 (hash_float f) p.hkey
| PTTransformed(p,tr) -> combine2 20 p.hkey tr.hkey
let on_off = function
| On n -> combine 65 n.hkey
| Off n -> combine 66 n.hkey
let direction = function
| Vec p -> combine 61 p.hkey
| Curl f -> combine 62 (hash_float f)
| NoDir -> 63
let joint = function
| JLine -> 67
| JCurve -> 68
| JCurveNoInflex -> 69
| JTension(f1,f2) -> combine2 70 (hash_float f1) (hash_float f2)
| JControls(p1,p2) -> combine2 71 p1.hkey p2.hkey
let knot k =
combine3 64 k.knot_in.hkey k.knot_p.hkey k.knot_out.hkey
let metapath = function
| MPAConcat(k,j,p) ->
combine3 85 k.hkey j.hkey p.hkey
| MPAAppend(p1,j,p2) -> combine3 86 p1.hkey j.hkey p2.hkey
| MPAofPA p -> combine 87 p.hkey
| MPAKnot k -> combine 88 k.hkey
let path = function
| PAofMPA p -> combine 89 p.hkey
| MPACycle(d,j,p) ->
combine3 90 d.hkey j.hkey p.hkey
| PAFullCircle -> 24
| PAHalfCircle -> 25
| PAQuarterCircle -> 26
| PAUnitSquare -> 27
| PATransformed(p,tr) -> combine2 28 p.hkey tr.hkey
| PACutAfter(p,q) -> combine2 32 p.hkey q.hkey
| PACutBefore(p,q) -> combine2 33 p.hkey q.hkey
| PABuildCycle l ->
List.fold_left (fun acc p -> combine2 35 acc p.hkey) 34 l
| PASub(f1,f2,p) ->
combine3 36 (hash_float f1) (hash_float f2) p.hkey
| PABBox p -> combine 37 p.hkey
let transform = function
| TRRotated f -> combine 52 (hash_float f)
| TRScaled n -> combine 53 n.hkey
| TRShifted p -> combine 57 p.hkey
| TRSlanted n -> combine 54 n.hkey
| TRXscaled n -> combine 55 n.hkey
| TRYscaled n -> combine 56 n.hkey
| TRZscaled p -> combine 58 p.hkey
| TRReflect(p,q) -> combine2 59 p.hkey q.hkey
| TRRotateAround(p,q) -> combine2 60 p.hkey (hash_float q)
| TRMatrix m ->
List.fold_left (fun acc n -> combine2 63 acc n.hkey) 61
[m.x0;m.y0;m.xx;m.xy;m.yx;m.yy]
let picture = function
| PITex s -> combine 38 (hash_string s)
| PITransformed(p,tr) -> combine2 40 p.hkey tr.hkey
| PIClip(p,q) -> combine2 42 p.hkey q.hkey
let commandpic = function
| Picture pic -> combine 91 pic.hkey
| Command c -> combine 92 c.hkey
| Seq l -> List.fold_left (fun acc t -> combine2 93 acc t.hkey) 94 l
let dash = function
| DEvenly -> 72
| DWithdots -> 73
| DScaled(f,d) -> combine2 74 (hash_float f) d.hkey
| DShifted(p,d) -> combine2 75 p.hkey d.hkey
| DPattern l ->
List.fold_left (fun acc o -> combine2 76 acc o.hkey) 77 l
let pen = function
| PenCircle -> 78
| PenSquare -> 79
| PenFromPath p -> combine 80 p.hkey
| PenTransformed(p,tr) -> combine2 81 p.hkey tr.hkey
let hash_opt f = function
| None -> 83
| Some o -> combine 84 (f o)
let hash_key x = x.hkey
let hash_color = Hashtbl.hash
let hash_position = Hashtbl.hash
let hash_spec_image = Hashtbl.hash
let command = function
| CDraw(pa,b) ->
combine2 43 pa.hkey b.hkey
| CFill(p,c) -> combine2 46 p.hkey (hash_color c)
| CLabel(pic,pos,poi) -> combine3 47 pic.hkey (hash_position pos) poi.hkey
| CDotLabel(pic,pos,poi) ->
combine3 48 pic.hkey (hash_position pos) poi.hkey
| CExternalImage (filename,spec) -> combine2 52 (hash_string filename)
(hash_spec_image spec)
let brush b =
combine3 85 (hash_opt hash_color b.color) (hash_opt hash_key b.pen)
(hash_opt hash_key b.dash)
(** equality *)
(* equality of floats with correct handling of nan *)
let eq_float (f1:float) (f2:float) =
Pervasives.compare f1 f2 == 0
(* we enforce to use physical equality only on hash-consed data
of the same type *)
let eq_hashcons (x:'a hash_consed) (y:'a hash_consed) =
x == y
let rec eq_hashcons_list (x:'a hash_consed list) (y:'a hash_consed list) =
match x,y with
| [], [] -> true
| h1::t1,h2::t2 -> h1 == h2 && eq_hashcons_list t1 t2
| _ -> false
let eq_opt f o1 o2 =
match o1,o2 with
| None,None -> true
| Some x1, Some x2 -> f x1 x2
| _ -> false
let eq_color c1 c2 = Pervasives.compare c1 c2 = 0
let eq_pen_node p1 p2 =
match p1, p2 with
| PenCircle, PenCircle
| PenSquare, PenSquare -> true
| PenFromPath p1, PenFromPath p2 ->
eq_hashcons p1 p2
| PenTransformed(p1,tr1), PenTransformed(p2,tr2) ->
eq_hashcons p1 p2 && eq_hashcons tr1 tr2
| _ -> false
let eq_dash_node d1 d2 =
match d1, d2 with
| DEvenly, DEvenly
| DWithdots, DWithdots -> true
| DScaled(f1,d1), DScaled(f2,d2) ->
eq_hashcons f1 f2 && eq_hashcons d1 d2
| DShifted(p1,d1), DShifted(p2,d2) ->
eq_hashcons p1 p2 && eq_hashcons d1 d2
| DPattern l1, DPattern l2 ->
eq_hashcons_list l1 l2
| _ -> false
let eq_brush_node b1 b2 =
eq_opt eq_color b1.color b2.color &&
eq_opt eq_hashcons b1.pen b2.pen &&
eq_opt eq_hashcons b1.dash b2.dash
let eq_on_off o1 o2 =
match o1,o2 with
| Off n1, Off n2
| On n1, On n2 -> eq_hashcons n1 n2
| _ -> false
let eq_position (p1:position) (p2:position) =
p1 == p2 (* correct because this type contains only constants *)
let eq_num_node n1 n2 =
match n1,n2 with
| F f1, F f2 -> eq_float f1 f2
| NXPart p1, NXPart p2
| NYPart p1, NYPart p2 -> eq_hashcons p1 p2
| NAdd(n11,n12),NAdd(n21,n22)
| NSub(n11,n12),NSub(n21,n22)
| NMult(n11,n12),NMult(n21,n22)
| NDiv(n11,n12),NDiv(n21,n22)
| NMax(n11,n12),NMax(n21,n22)
| NMin(n11,n12),NMin(n21,n22)
| NGMean(n11,n12),NGMean(n21,n22)
-> eq_hashcons n11 n21 && eq_hashcons n12 n22
| NLength p1, NLength p2 -> eq_hashcons p1 p2
| _ -> false
let eq_point_node p1 p2 =
match p1,p2 with
| PTPair(n11,n12),PTPair(n21,n22) ->
eq_hashcons n11 n21 && eq_hashcons n12 n22
| PTPicCorner(pic1,corn1), PTPicCorner(pic2,corn2) ->
eq_hashcons pic1 pic2 &&
eq_position (corn1 :> position) (corn2 :> position)
| PTPointOf(n1,p1), PTPointOf(n2,p2)
| PTDirectionOf(n1,p1), PTDirectionOf(n2,p2)
-> eq_hashcons n1 n2 && eq_hashcons p1 p2
| PTAdd(p11,p12),PTAdd(p21,p22)
| PTSub(p11,p12),PTSub(p21,p22)
-> eq_hashcons p11 p21 && eq_hashcons p12 p22
| PTMult(n1,p1),PTMult(n2,p2) ->
eq_hashcons n1 n2 && eq_hashcons p1 p2
| PTRotated(f1,p1),PTRotated(f2,p2) ->
eq_float f1 f2 && eq_hashcons p1 p2
| PTTransformed(p1,tr1), PTTransformed(p2,tr2) ->
eq_hashcons p1 p2 && eq_hashcons tr1 tr2
| _ -> false
let eq_metapath_node p1 p2 =
match p1,p2 with
| MPAConcat(k1,j1,p1),MPAConcat(k2,j2,p2) ->
eq_hashcons k1 k2 && eq_hashcons j1 j2 && eq_hashcons p1 p2
| MPAKnot(k1), MPAKnot(k2) -> eq_hashcons k1 k2
| MPAAppend(p11,j1,p12),MPAAppend(p21,j2,p22) ->
eq_hashcons p11 p21 && eq_hashcons j1 j2 && eq_hashcons p12 p22
| MPAofPA p1, MPAofPA p2 -> eq_hashcons p1 p2
| _ -> false
let eq_path_node p1 p2 =
match p1,p2 with
| PAofMPA p1, PAofMPA p2 -> eq_hashcons p1 p2
| MPACycle(d1,j1,p1),MPACycle(d2,j2,p2) ->
eq_hashcons d1 d2 && eq_hashcons j1 j2 && eq_hashcons p1 p2
| PAFullCircle, PAFullCircle
| PAHalfCircle, PAHalfCircle
| PAQuarterCircle, PAQuarterCircle
| PAUnitSquare, PAUnitSquare
-> true
| PATransformed(p1,tr1),PATransformed(p2,tr2) ->
eq_hashcons p1 p2 && eq_hashcons tr1 tr2
| PACutAfter(p11,p12),PACutAfter(p21,p22)
| PACutBefore(p11,p12),PACutBefore(p21,p22)
-> eq_hashcons p11 p21 && eq_hashcons p12 p22
| PABuildCycle(l1),PABuildCycle(l2) ->
eq_hashcons_list l1 l2
| PASub(f11,f12,p1), PASub(f21,f22,p2) ->
eq_hashcons f11 f21 && eq_hashcons f12 f22 && eq_hashcons p1 p2
| PABBox(p1), PABBox(p2) ->
eq_hashcons p1 p2
| _ -> false
let eq_picture_node p1 p2 =
match p1,p2 with
| PITex s1, PITex s2 ->
(* it actually happens that the same text appears twice *)
s1<>"" && s1=s2
| PITransformed(p1,tr1), PITransformed(p2,tr2) ->
eq_hashcons p1 p2 && eq_hashcons tr1 tr2
| PIClip(pi1,pa1), PIClip(pi2,pa2) ->
eq_hashcons pi1 pi2 && eq_hashcons pa1 pa2
| _ -> false
let eq_transform_node t1 t2 =
match t1,t2 with
| TRRotated f1, TRRotated f2 -> eq_float f1 f2
| TRScaled n1, TRScaled n2
| TRSlanted n1, TRSlanted n2
| TRXscaled n1, TRXscaled n2
| TRYscaled n1, TRYscaled n2 -> eq_hashcons n1 n2
| TRShifted p1, TRShifted p2
| TRZscaled p1, TRZscaled p2 -> eq_hashcons p1 p2
| TRReflect(p11,p12), TRReflect(p21,p22) ->
eq_hashcons p11 p21 && eq_hashcons p12 p22
| TRRotateAround(p1,f1), TRRotateAround(p2,f2) ->
eq_hashcons p1 p2 && eq_float f1 f2
| TRMatrix m1, TRMatrix m2 ->
eq_hashcons m1.x0 m2.x0
&& eq_hashcons m1.y0 m2.y0
&& eq_hashcons m1.xx m2.xx
&& eq_hashcons m1.xy m2.xy
&& eq_hashcons m1.yx m2.yx
&& eq_hashcons m1.yy m2.yy
| _ -> false
let eq_knot_node k1 k2 =
eq_hashcons k1.knot_in k2.knot_in &&
eq_hashcons k1.knot_p k2.knot_p &&
eq_hashcons k1.knot_out k2.knot_out
let eq_joint_node j1 j2 =
match j1,j2 with
| JLine, JLine
| JCurve, JCurve
| JCurveNoInflex, JCurveNoInflex -> true
| JTension(f11,f12), JTension(f21,f22) ->
eq_float f11 f21 && eq_float f12 f22
| JControls(p11,p12), JControls(p21,p22) ->
eq_hashcons p11 p21 && eq_hashcons p12 p22
| _ -> false
let eq_direction_node d1 d2 =
match d1,d2 with
| Vec p1, Vec p2 -> eq_hashcons p1 p2
| Curl f1, Curl f2 -> eq_float f1 f2
| NoDir, NoDir -> true
| _ -> false
let eq_command_node c1 c2 =
match c1,c2 with
| CDraw(p1,b1), CDraw(p2,b2) ->
eq_hashcons p1 p2 && eq_hashcons b1 b2
| CFill(p1,c1), CFill(p2,c2) ->
eq_hashcons p1 p2 && eq_opt eq_color c1 c2
| CLabel(pic1,pos1,poi1), CLabel(pic2,pos2,poi2)
| CDotLabel(pic1,pos1,poi1), CDotLabel(pic2,pos2,poi2) ->
eq_hashcons pic1 pic2 && eq_position pos1 pos2 && eq_hashcons poi1 poi2
| _ -> false
let eq_commandpic_node p1 p2 =
match p1, p2 with
| Picture p1, Picture p2 -> eq_hashcons p1 p2
| Command p1, Command p2 -> eq_hashcons p1 p2
| Seq l1, Seq l2 -> eq_hashcons_list l1 l2
| _ -> false
(* smart constructors *)
(* num *)
let unsigned f x = (f x) land 0x3FFFFFFF
module HashNum =
Hashcons.Make(struct type t = num_node
let equal = eq_num_node
let hash = unsigned num end)
let hashnum_table = HashNum.create 257;;
let hashnum = HashNum.hashcons hashnum_table
let mkF f = hashnum (F f)
let mkNAdd n1 n2 = hashnum (NAdd(n1,n2))
let mkNSub n1 n2 = hashnum (NSub(n1,n2))
let mkNMult n1 n2 = hashnum (NMult(n1,n2))
let mkNDiv n1 n2 = hashnum (NDiv(n1,n2))
let mkNMax n1 n2 = hashnum (NMax(n1,n2))
let mkNMin n1 n2 = hashnum (NMin(n1,n2))
let mkNGMean n1 n2 = hashnum (NGMean(n1,n2))
let mkNXPart p = hashnum (NXPart p)
let mkNYPart p = hashnum (NYPart p)
let mkNLength p = hashnum (NLength p)
let mkNIfnullthenelse p n1 n2 = hashnum (NIfnullthenelse (p,n1,n2))
(* point *)
module HashPoint =
Hashcons.Make(struct type t = point_node
let equal = eq_point_node
let hash = unsigned point end)
let hashpoint_table = HashPoint.create 257;;
let hashpoint = HashPoint.hashcons hashpoint_table
let mkPTPair f1 f2 = hashpoint (PTPair(f1,f2))
let mkPTAdd p1 p2 = hashpoint (PTAdd(p1,p2))
let mkPTSub p1 p2 = hashpoint (PTSub(p1,p2))
let mkPTMult x y = hashpoint (PTMult(x,y))
let mkPTRotated x y = hashpoint (PTRotated(x,y))
let mkPTTransformed x y = hashpoint (PTTransformed(x,y))
let mkPTPointOf f p = hashpoint (PTPointOf(f,p))
let mkPTDirectionOf f p = hashpoint (PTDirectionOf(f,p))
let mkPTPicCorner x y = hashpoint (PTPicCorner(x,y))
(* transform *)
module HashTransform =
Hashcons.Make(struct type t = transform_node
let equal = eq_transform_node
let hash = unsigned transform end)
let hashtransform_table = HashTransform.create 257;;
let hashtransform = HashTransform.hashcons hashtransform_table
let mkTRScaled n = hashtransform (TRScaled n)
let mkTRXscaled n = hashtransform (TRXscaled n)
let mkTRYscaled n = hashtransform (TRYscaled n)
let mkTRZscaled pt = hashtransform (TRZscaled pt)
let mkTRRotated f = hashtransform (TRRotated f)
let mkTRShifted pt = hashtransform (TRShifted pt)
let mkTRSlanted n = hashtransform (TRSlanted n)
let mkTRReflect pt1 pt2 = hashtransform (TRReflect(pt1,pt2))
let mkTRRotateAround pt f = hashtransform (TRRotateAround(pt,f))
let mkTRMatrix m = hashtransform (TRMatrix m)
(* knot *)
module HashKnot =
Hashcons.Make(struct type t = knot_node
let equal = eq_knot_node
let hash = unsigned knot end)
let hashknot_table = HashKnot.create 257;;
let hashknot = HashKnot.hashcons hashknot_table
let mkKnot d1 p d2 = hashknot { knot_in = d1; knot_p = p; knot_out = d2 }
(* metapath *)
module HashMetaPath =
Hashcons.Make(struct type t = metapath_node
let equal = eq_metapath_node
let hash = unsigned metapath end)
let hashmetapath_table = HashMetaPath.create 257;;
let hashmetapath = HashMetaPath.hashcons hashmetapath_table
let mkMPAKnot k = hashmetapath (MPAKnot k)
let mkMPAConcat k j p2 = hashmetapath (MPAConcat(k,j,p2))
let mkMPAAppend x y z = hashmetapath (MPAAppend (x,y,z))
let mkMPAofPA p = hashmetapath (MPAofPA p)
(*val mkMPATransformed : path -> transform -> path*)
(* path *)
module HashPath =
Hashcons.Make(struct type t = path_node
let equal = eq_path_node
let hash = unsigned path end)
let hashpath_table = HashPath.create 257;;
let hashpath = HashPath.hashcons hashpath_table
let mkPAofMPA p = hashpath (PAofMPA p)
let mkPAKnot k = mkPAofMPA (mkMPAKnot k)
let mkPAConcat k j p2 = mkPAofMPA (mkMPAConcat k j (mkMPAofPA p2))
let mkMPACycle d j p1 = hashpath (MPACycle (d,j,p1))
let mkPACycle d j p1 = (mkMPACycle d j (mkMPAofPA p1))
let mkPAAppend x y z = mkPAofMPA (mkMPAAppend (mkMPAofPA x) y (mkMPAofPA z))
let mkPAFullCircle = hashpath (PAFullCircle)
let mkPAHalfCircle = hashpath (PAHalfCircle)
let mkPAQuarterCircle = hashpath (PAQuarterCircle)
let mkPAUnitSquare = hashpath (PAUnitSquare)
let mkPATransformed x y = hashpath (PATransformed (x,y))
let mkPACutAfter x y = hashpath (PACutAfter (x,y))
let mkPACutBefore x y = hashpath (PACutBefore (x,y))
let mkPABuildCycle l = hashpath (PABuildCycle l)
let mkPASub x y z = hashpath (PASub (x,y,z))
let mkPABBox pic = hashpath (PABBox pic)
(* joint *)
module HashJoint =
Hashcons.Make(struct type t = joint_node
let equal = eq_joint_node
let hash = unsigned joint end)
let hashjoint_table = HashJoint.create 257;;
let hashjoint = HashJoint.hashcons hashjoint_table
let mkJCurve = hashjoint JCurve
let mkJLine = hashjoint JLine
let mkJCurveNoInflex = hashjoint JCurveNoInflex
let mkJTension x y = hashjoint (JTension(x,y))
let mkJControls x y = hashjoint (JControls(x,y))
(* direction *)
module HashDir =
Hashcons.Make(struct type t = direction_node
let equal = eq_direction_node
let hash = unsigned direction end)
let hashdir_table = HashDir.create 257;;
let hashdir = HashDir.hashcons hashdir_table
let mkNoDir = hashdir NoDir
let mkVec p = hashdir (Vec p)
let mkCurl f = hashdir (Curl f)
(* picture *)
module HashPicture =
Hashcons.Make(struct type t = picture_node
let equal = eq_picture_node
let hash = unsigned picture end)
let hashpicture_table = HashPicture.create 257;;
let hashpicture = HashPicture.hashcons hashpicture_table
let mkPITex s = hashpicture (PITex s)
let mkPITransformed x y = hashpicture (PITransformed (x,y))
let mkPIClip p pic = hashpicture (PIClip(p,pic))
(* command *)
module HashCommand =
Hashcons.Make(struct type t = command_node
let equal = eq_command_node
let hash = unsigned command end)
let hashcommand_table = HashCommand.create 257;;
let hashcommand = HashCommand.hashcons hashcommand_table
let mkCDraw x y = hashcommand (CDraw(x,y))
let mkCFill x y = hashcommand (CFill(x,y))
let mkCLabel x y z = hashcommand (CLabel(x,y,z))
let mkCDotLabel x y z = hashcommand (CDotLabel(x,y,z))
let mkCExternalImage f s = hashcommand (CExternalImage (f,s))
(* commandPic *)
module HashCommandPic =
Hashcons.Make (struct type t = commandpic_node
let equal = eq_commandpic_node
let hash = unsigned commandpic end)
let hashcommandpic_table = HashCommandPic.create 257;;
let hashcommandpic = HashCommandPic.hashcons hashcommandpic_table
let mkPicture p = hashcommandpic (Picture p)
let mkCommand p = hashcommandpic (Command p)
let mkSeq l = hashcommandpic (Seq l)
(* dash *)
module HashDash =
Hashcons.Make(struct type t = dash_node
let equal = eq_dash_node
let hash = unsigned dash end)
let hashdash_table = HashDash.create 257;;
let hashdash = HashDash.hashcons hashdash_table
let mkDEvenly = hashdash DEvenly
let mkDWithdots = hashdash DWithdots
let mkDScaled x y = hashdash (DScaled(x,y))
let mkDShifted x y = hashdash (DShifted(x,y))
let mkDPattern l = hashdash (DPattern l)
(* pen *)
module HashPen =
Hashcons.Make(struct type t = pen_node
let equal = eq_pen_node
let hash = unsigned pen end)
let hashpen_table = HashPen.create 257;;
let hashpen = HashPen.hashcons hashpen_table
let mkPenCircle = hashpen PenCircle
let mkPenSquare = hashpen PenSquare
let mkPenFromPath p = hashpen (PenFromPath p)
let mkPenTransformed x y = hashpen (PenTransformed(x,y))
(* brush *)
module HashBrush =
Hashcons.Make(struct type t = brush_node
let equal = eq_brush_node
let hash = unsigned brush end)
let hashbrush_table = HashBrush.create 257;;
let hashbrush = HashBrush.hashcons hashbrush_table
let mkBrush c p d = hashbrush {pen = p;color=c;dash=d}
let opt_def_node def = function
| None -> def
| Some s -> s.node
let opt_def_map f def = function
| None -> def
| Some s -> f s
let mkBrushOpt b c p d =
let b = opt_def_node {color = None; pen = None; dash = None} b in
let b = opt_def_map (fun x -> {b with color = Some x}) b c in
let b = opt_def_map (fun x -> {b with pen = Some x}) b p in
let b = opt_def_map (fun x -> {b with dash = Some x}) b d in
hashbrush b
(* on_off *)
module HashOnOff =
Hashcons.Make(struct type t = on_off_node
let equal = eq_on_off
let hash = unsigned on_off end)
let hashon_off_table = HashOnOff.create 257;;
let hashon_off = HashOnOff.hashcons hashon_off_table
let mkOn n = hashon_off (On n)
let mkOff n = hashon_off (Off n)
let hreduce = function
| `Center -> `Center
| `Left | `West -> `West
| `Right | `East -> `East
let vreduce = function
| `Center -> `Center
| `Top | `North -> `North
| `Bot | `Bottom | `South -> `South
let corner_reduce = function
| `Upleft | `Upperleft | `Topleft | `Northwest -> `Northwest
| `Upright | `Upperright | `Topright | `Northeast -> `Northeast
| `Lowleft | `Lowerleft | `Bottomleft | `Southwest -> `Southwest
| `Lowright | `Lowerright | `Bottomright | `Southeast -> `Southeast
let pos_reduce = function
| #hposition as p -> hreduce p
| #vposition as p -> vreduce p
| #corner as p -> corner_reduce p
let opposite_position (x: position): position_red =
match pos_reduce x with
| `Center -> `Center
| `West -> `East
| `East -> `West
| `North -> `South
| `South -> `North
| `Northwest -> `Southeast
| `Northeast -> `Southwest
| `Southwest -> `Northeast
| `Southeast -> `Northwest
let q_verbosity = Queue.create ()
let add_set_verbosity x = Queue.add x q_verbosity
let set_verbosity b = Queue.iter (fun x -> x b) q_verbosity
|