diff options
Diffstat (limited to 'metapost/context/base/mpiv/mp-shap.mpiv')
| -rw-r--r-- | metapost/context/base/mpiv/mp-shap.mpiv | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/metapost/context/base/mpiv/mp-shap.mpiv b/metapost/context/base/mpiv/mp-shap.mpiv new file mode 100644 index 000000000..713656510 --- /dev/null +++ b/metapost/context/base/mpiv/mp-shap.mpiv @@ -0,0 +1,218 @@ +%D \module +%D [ file=mp-shap.mpiv, +%D version=2000.05.31, +%D title=\CONTEXT\ \METAPOST\ graphics, +%D subtitle=shapes, +%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_shap : endinput ; fi ; + +boolean context_shap ; context_shap := true ; + +path predefined_shapes[] ; + +def start_predefined_shape_definition = + + begingroup ; + + save xradius, yradius, xxradius, yyradius ; + save ll, lr, ur, ul, llx, lly, lrx, lry, urx, ury, ulx, uly, llxx, llyy, lrxx, lryy, urxx, uryy, ulxx, ulyy, lc, rc, tc, bc ; + + numeric xradius, yradius, xxradius, yyradius ; + pair ll, lr, ur, ul, llx, lly, lrx, lry, urx, ury, ulx, uly, llxx, llyy, lrxx, lryy, urxx, uryy, ulxx, ulyy, lc, rc, tc, bc ; + + xradius := .15 ; + yradius := .15 ; + xxradius := .10 ; + yyradius := .10 ; + + ll := llcorner (unitsquare shifted (-.5,-.5)) ; + lr := lrcorner (unitsquare shifted (-.5,-.5)) ; + ur := urcorner (unitsquare shifted (-.5,-.5)) ; + ul := ulcorner (unitsquare shifted (-.5,-.5)) ; + + llx := ll shifted (xradius,0) ; + lly := ll shifted (0,yradius) ; + + lrx := lr shifted (-xradius,0) ; + lry := lr shifted (0,yradius) ; + + urx := ur shifted (-xradius,0) ; + ury := ur shifted (0,-yradius) ; + + ulx := ul shifted (xradius,0) ; + uly := ul shifted (0,-yradius) ; + + llxx := ll shifted (xxradius,0) ; + llyy := ll shifted (0,yyradius) ; + + lrxx := lr shifted (-xxradius,0) ; + lryy := lr shifted (0,yyradius) ; + + urxx := ur shifted (-xxradius,0) ; + uryy := ur shifted (0,-yyradius) ; + + ulxx := ul shifted (xxradius,0) ; + ulyy := ul shifted (0,-yyradius) ; + + lc := ll shifted (0,.5) ; + rc := lr shifted (0,.5) ; + tc := ul shifted (.5,0) ; + bc := ll shifted (.5,0) ; + +enddef ; + +def stop_predefined_shape_definition = + + endgroup ; + +enddef ; + +start_predefined_shape_definition ; + + predefined_shapes[ 0] := (origin--cycle) ; + predefined_shapes[ 5] := (llx--lrx{right}...rc...{left}urx--ulx{left}...lc...{right}cycle) ; + predefined_shapes[ 6] := (ll--lrx{right}...rc...{left}urx--ul--cycle) ; + predefined_shapes[ 7] := (ll--lrx{right}...rc...{left}urx--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[ 8] := (lr--ury{up}...tc...{down}uly--ll--cycle) ; + predefined_shapes[ 9] := (lr--ury{up}...tc...{down}uly--ll--cycle) rotatedaround(origin,180) ; + predefined_shapes[10] := (ll--lr--ur--ul--ll--ur--ul--ll--cycle) ; + predefined_shapes[11] := (ll--lr--ur--ul--ll--lr--ul--ll--cycle) ; + predefined_shapes[12] := (ll--lrx--ur--ulx--cycle) ; + predefined_shapes[13] := (llx--lr--urx--ul--cycle) ; + predefined_shapes[14] := (lly--bc--lry--ury--tc--uly--cycle) ; + predefined_shapes[15] := (llx--lrx--rc--urx--ulx--lc--cycle) ; + predefined_shapes[16] := (ll--lrx--rc--urx--ul--cycle) ; + predefined_shapes[17] := (ll--lrx--rc--urx--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[18] := (lr--ury--tc--uly--ll--cycle) ; + predefined_shapes[19] := (lr--ury--tc--uly--ll--cycle) rotatedaround(origin,180) ; + predefined_shapes[20] := (ll--lr--ur--ul--ll--llxx--ulxx--ul--ll--lr--ur--urxx--lrxx--cycle) ; + predefined_shapes[21] := (ul--ll--lr--ur--ul--ulyy--uryy--ur--ul--ll--lr--lryy--llyy--cycle) ; + predefined_shapes[22] := (ll--lrx--lry--ur--ulx--uly--cycle) ; + predefined_shapes[23] := (llx--lr--ury--urx--ul--lly--cycle) ; + predefined_shapes[24] := (ll--lr--ur--ul--cycle) ; + predefined_shapes[25] := (llx--lrx--lry--ury--urx--ulx--uly--lly--cycle) ; + predefined_shapes[26] := (ll--lrx--lry--ur--ul--cycle) ; + predefined_shapes[27] := (ll--lr--ury--urx--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[28] := (ll--lr--ury--urx--ul--cycle) ; + predefined_shapes[29] := (ll--lrx--lry--ur--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[30] := (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & bc--tc & tc{left}..{down}lc & lc--rc & rc{up}..tc{left}...{down}lc...{right}bc & cycle) rotated 45; + predefined_shapes[31] := (bc{right}...{up}rc...tc{left}...{down}lc...{right}bc & bc--tc & tc{left}..{down}lc & lc--rc & rc{up}..tc{left}...{down}lc...{right}bc & cycle) ; + predefined_shapes[32] := (ll{right}...{right}lry--ur--ul--ll--cycle) ; + predefined_shapes[33] := (ll{right}...{right}lry--ur--ul--ll--cycle--ul--ulx--ulx shifted(0,yyradius)--ur shifted(yyradius,yyradius)--lry shifted(yyradius,yyradius)--lry shifted(0,yyradius)--ur--ul--cycle ) ; + predefined_shapes[34] := (uly..tc..ury & ury..tc shifted (0,-2yradius)..uly & uly--lly & lly..bc..lry & lry--ury & ury..tc shifted (0,-2yradius)..uly & cycle ) ; + predefined_shapes[35] := (bc{right}...rc{up}...tc{left}...lc{down}...cycle) ; + predefined_shapes[36] := (ul--tc{right}..rc{down}..{left}bc--ll & ll..(xpart llx, ypart lc)..ul & cycle) ; + predefined_shapes[37] := (ul--tc{right}..rc{down}..{left}bc--ll & ll..(xpart llx, ypart lc)..ul & cycle) rotatedaround(origin,180) ; + predefined_shapes[38] := (ll--lc{up}..tc{right}..{down}rc--lr & lr..(xpart bc, ypart lly)..ll & cycle) ; + predefined_shapes[39] := (ll--lc{up}..tc{right}..{down}rc--lr & lr..(xpart bc, ypart lly)..ll & cycle) rotatedaround(origin,180) ; + predefined_shapes[40] := (ll--lr--ur--ul--ll--ur--ul--ll--lr--ul--ll--cycle) ; + predefined_shapes[41] := (ll--lr--ur--ul--ll--lr--rc--lc--ll--bc--tc--ul--ll & cycle) ; + predefined_shapes[42] := (ll--lr--origin shifted (+epsilon,0)--ur--ul--origin shifted (-epsilon,0)--cycle) ; + predefined_shapes[43] := (ll--ul--origin shifted (0,+epsilon)--ur--lr--origin shifted (0,-epsilon)--cycle) ; + predefined_shapes[45] := (bc--rc--tc--lc--cycle) ; + predefined_shapes[46] := (ll--ul--rc--cycle) ; + predefined_shapes[47] := (ll--ul--rc--cycle) rotatedaround(origin,180) ; + predefined_shapes[48] := (ul--ur--bc--cycle) rotatedaround(origin,180) ; + predefined_shapes[49] := (ul--ur--bc--cycle) ; + predefined_shapes[56] := (ll--lry--ury--ul--cycle) ; + predefined_shapes[57] := (ll--lry--ury--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[58] := (ll--ulx--urx--lr--cycle) ; + predefined_shapes[59] := (ll--ulx--urx--lr--cycle) rotatedaround(origin,180); + predefined_shapes[66] := (rc--origin shifted ( epsilon,0) --cycle & rc--origin--cycle ) ; + predefined_shapes[67] := (lc--origin shifted (-epsilon,0) --cycle & lc--origin--cycle ) ; + predefined_shapes[68] := (tc--origin shifted (0, epsilon) --cycle & tc--origin--cycle ) ; + predefined_shapes[69] := (bc--origin shifted (0,-epsilon) --cycle & bc--origin--cycle ) ; + predefined_shapes[75] := (lly--lry--ury--uly--cycle) rotatedaround(origin,180) ; + predefined_shapes[76] := (ll--lr--ur--uly--cycle) rotatedaround(origin,180) ; + predefined_shapes[77] := (ll--lr--ury--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[78] := (lly--lr--ur--ul--cycle) rotatedaround(origin,180) ; + predefined_shapes[79] := (ll--lry--ur--ul--cycle) rotatedaround(origin,180) ; + + numeric predefined_shapes_xradius ; predefined_shapes_xradius := xradius ; + numeric predefined_shapes_yradius ; predefined_shapes_yradius := yradius ; + numeric predefined_shapes_xxradius ; predefined_shapes_xxradius := xxradius ; + numeric predefined_shapes_yyradius ; predefined_shapes_yyradius := yyradius ; + +stop_predefined_shape_definition ; + +vardef some_shape_path (expr type) = + if known predefined_shapes[type] : predefined_shapes[type] else : predefined_shapes[0] fi +enddef ; + +def some_shape (expr shape_type, shape_width, shape_height, shape_linewidth, shape_linecolor, shape_fillcolor) = + begingroup ; + save p ; path p ; + p := some_shape_path (shape_type) xscaled shape_width yscaled shape_height ; + pickup pencircle scaled shape_linewidth ; + fill p withcolor shape_fillcolor ; + draw p withcolor shape_linecolor ; + endgroup ; +enddef ; + +vardef drawpredefinedshape (expr t, p, lw, lc, fc) = + save pp ; + if t>1 : % normal shape + path pp ; + pp := some_shape_path(t) xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + fill pp withcolor fc ; + draw pp withpen pencircle scaled lw withcolor lc ; + elseif t=1 : % background only + path pp ; + pp := fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + fill pp withcolor fc ; + else : % dimensions only + picture pp ; pp := nullpicture ; + setbounds pp to fullsquare xyscaled(bbwidth(p), bbheight(p)) shifted center p ; + draw pp ; + fi ; +enddef ; + +vardef drawpredefinedline (expr t, p, lw, lc) = + if (t>0) and (length(p)>1) : + saveoptions ; + drawoptions(withpen pencircle scaled lw withcolor lc) ; + draw p ; + if t = 1 : + draw arrowheadonpath(p,1) ; + elseif t = 2 : + draw arrowheadonpath(reverse p,1) ; + elseif t = 3 : + for $ = p,reverse p : + draw arrowheadonpath($,1) ; + endfor ; + elseif t = 11 : + draw arrowheadonpath(p,1/2) ; + elseif t = 12 : + draw arrowheadonpath(reverse p,1/2) ; + elseif t = 13 : + for $=p,reverse p : + draw arrowheadonpath($,1) ; + endfor ; + for $=p,reverse p : + draw arrowheadonpath($,3/4) ; + endfor ; + elseif t = 21 : + for $=1/5,1/2,4/5 : + draw arrowheadonpath(p,$) ; + endfor ; + elseif t = 22 : + for $=1/5,1/2,4/5 : + draw arrowheadonpath(reverse p,$) ; + endfor ; + elseif t = 23 : + for $=p,reverse p : + draw arrowheadonpath($,1/4) ; + endfor ; + fi ; + fi ; +enddef ; + +let drawshape = drawpredefinedshape ; +let drawline = drawpredefinedline ; |