1 /** This file is part of Shapes.
3 ** Shapes is free software: you can redistribute it and/or modify
4 ** it under the terms of the GNU General Public License as published by
5 ** the Free Software Foundation, either version 3 of the License, or
8 ** Shapes is distributed in the hope that it will be useful,
9 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
10 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 ** GNU General Public License for more details.
13 ** You should have received a copy of the GNU General Public License
14 ** along with Shapes. If not, see <http://www.gnu.org/licenses/>.
16 ** Copyright 2008 Henrik Tidefelt
19 |** This is "blockdraw, Waiting For Object oriented programming
26 dynamic @longblockrx identity 0.7cm
27 dynamic @longblockry identity 0.4cm
28 dynamic @smallblockr identity 0.3cm
29 dynamic @fracblockry identity 0.5cm
31 dynamic @connectionlw identity 0.8bp
32 dynamic @blocklw identity 0.8bp
34 dynamic @abovelabelmargin identity 1.5mm
35 dynamic @belowlabelmargin identity 1.5mm
36 dynamic @leftrightlabelmargin identity 1mm
37 dynamic @signmarginslide identity 1.5mm
38 dynamic @signmarginoffset identity 2mm
40 dynamic @blockspaceverynear identity 3mm
41 dynamic @blockspacenear identity 6mm
42 dynamic @blockspacelabelspace identity 8mm
43 dynamic @blockspacefar identity 10mm
44 dynamic @blockspaceveryfar identity 15mm
46 dynamic @textscaling identity [scale 1]
48 dynamic @connectpainter identity [stroke head:MetaPostArrow ...]
50 centerlabel: \ obj .> [centerx [centeryX obj]]
52 putlabelAbove: \ lbl z x .> [[shift z + (0cm,@abovelabelmargin)] [centerxat lbl x]]
53 putlabelBelow: \ lbl z x .> [[shift z + (0cm,~@belowlabelmargin)] [centeryatX [centerxat lbl x] 1]]
54 putlabelLeft: \ lbl z y .> [[shift z + (~@leftrightlabelmargin,0cm)] [centeryatX [centerxat lbl 1] y]]
55 putlabelRight: \ lbl z y .> [[shift z + (@leftrightlabelmargin,0cm)] [centeryatX lbl y]]
56 leftpointsign: \ obj str n:1 i:1 .> [[shift [leftpoint obj n i] + (~@signmarginslide,~@signmarginoffset)] [centerat (TeX [sprintf `$\scriptsize %s$´ str]) (0,0)]]
57 rightpointsign: \ obj str n:1 i:1 .> [[shift [rightpoint obj n i] + (@signmarginslide,@signmarginoffset)] [centerat (TeX [sprintf `$\scriptsize %s$´ str]) (0,0)]]
58 bottompointsign: \ obj str n:1 i:1 .> [[shift [bottompoint obj n i] + (@signmarginoffset,~@signmarginslide)] [centerat (TeX [sprintf `$\scriptsize %s$´ str]) (0,0)]]
59 toppointsign: \ obj str n:1 i:1 .> [[shift [toppoint obj n i] + (~@signmarginoffset,@signmarginslide)] [centerat (TeX [sprintf `$\scriptsize %s$´ str]) (0,0)]]
61 putblockOrigin: \ •dst newBlock .> {
66 putblockLeft: \ •dst newBlock oldBlock dist .> {
67 res: [[shift [leftpoint oldBlock 1 1]+(~dist,0)] [centerxat newBlock 1]]
71 putblockNearLeft: \ •dst newBlock oldBlock .> [putblockLeft •dst newBlock oldBlock @blockspacenear]
72 putblockFarLeft: \ •dst newBlock oldBlock .> [putblockLeft •dst newBlock oldBlock @blockspacefar]
73 putblockVeryNearLeft: \ •dst newBlock oldBlock .> [putblockLeft •dst newBlock oldBlock @blockspaceverynear]
74 putblockVeryFarLeft: \ •dst newBlock oldBlock .> [putblockLeft •dst newBlock oldBlock @blockspaceveryfar]
75 putblockLabelSpaceLeft: \ •dst newBlock oldBlock .> [putblockLeft •dst newBlock oldBlock @blockspacelabelspace]
76 putblockLabelMarginLeft: \ •dst newBlock oldBlock .> [putblockLeft •dst newBlock oldBlock @leftrightlabelmargin]
78 putblockRight: \ •dst newBlock oldBlock dist .> {
79 res: [[shift [rightpoint oldBlock 1 1]+(dist,0)] [centerxat newBlock ~1]]
83 putblockNearRight: \ •dst newBlock oldBlock .> [putblockRight •dst newBlock oldBlock @blockspacenear]
84 putblockFarRight: \ •dst newBlock oldBlock .> [putblockRight •dst newBlock oldBlock @blockspacefar]
85 putblockVeryNearRight: \ •dst newBlock oldBlock .> [putblockRight •dst newBlock oldBlock @blockspaceverynear]
86 putblockVeryFarRight: \ •dst newBlock oldBlock .> [putblockRight •dst newBlock oldBlock @blockspaceveryfar]
87 putblockLabelSpaceRight: \ •dst newBlock oldBlock .> [putblockRight •dst newBlock oldBlock @blockspacelabelspace]
88 putblockLabelMarginRight: \ •dst newBlock oldBlock .> [putblockRight •dst newBlock oldBlock @leftrightlabelmargin]
90 putblockBelow: \ •dst newBlock oldBlock dist .> {
91 res: [[shift [bottompoint oldBlock 1 1]+(0,~dist)] [centeryat newBlock 1]]
95 putblockNearBelow: \ •dst newBlock oldBlock .> [putblockBelow •dst newBlock oldBlock @blockspacenear]
96 putblockFarBelow: \ •dst newBlock oldBlock .> [putblockBelow •dst newBlock oldBlock @blockspacefar]
97 putblockVeryNearBelow: \ •dst newBlock oldBlock .> [putblockBelow •dst newBlock oldBlock @blockspaceverynear]
98 putblockVeryFarBelow: \ •dst newBlock oldBlock .> [putblockBelow •dst newBlock oldBlock @blockspaceveryfar]
99 putblockLabelSpaceBelow: \ •dst newBlock oldBlock .> [putblockBelow •dst newBlock oldBlock @blockspacelabelspace]
100 putblockLabelMarginBelow: \ •dst newBlock oldBlock .> [putblockBelow •dst newBlock oldBlock @belowlabelmargin]
102 putblockAbove: \ •dst newBlock oldBlock dist .> {
103 res: [[shift [toppoint oldBlock 1 1]+(0,dist)] [centeryat newBlock ~1]]
107 putblockNearAbove: \ •dst newBlock oldBlock .> [putblockAbove •dst newBlock oldBlock @blockspacenear]
108 putblockFarAbove: \ •dst newBlock oldBlock .> [putblockAbove •dst newBlock oldBlock @blockspacefar]
109 putblockVeryNearAbove: \ •dst newBlock oldBlock .> [putblockAbove •dst newBlock oldBlock @blockspaceverynear]
110 putblockVeryFarAbove: \ •dst newBlock oldBlock .> [putblockAbove •dst newBlock oldBlock @blockspaceveryfar]
111 putblockLabelSpaceAbove: \ •dst newBlock oldBlock .> [putblockAbove •dst newBlock oldBlock @blockspacelabelspace]
112 putblockLabelMarginAbove: \ •dst newBlock oldBlock .> [putblockAbove •dst newBlock oldBlock @abovelabelmargin]
114 sizedblock: \ lbl rx ry .>
116 [centerlabel [@textscaling lbl]]
118 ( @width:@blocklw | [stroke (~rx,~ry)--(~rx,ry)--(rx,ry)--(rx,~ry)--cycle] )
121 longblock: \ lbl .> [sizedblock lbl @longblockrx @longblockry]
122 squareblock: \ lbl .> [sizedblock lbl @smallblockr @smallblockr]
123 fracblock: \ lbl .> [sizedblock lbl @longblockrx @fracblockry]
125 longenoughblock: \ lbl .> [sizedblock lbl [max @longblockrx 1mm+0.5*([xmax [bbox lbl]]-[xmin [bbox lbl]])] @longblockry]
126 longenoughfracblock: \ lbl .> [sizedblock lbl [max @longblockrx 1mm+0.5*([xmax [bbox lbl]]-[xmin [bbox lbl]])] @fracblockry]
130 [centerat [@textscaling lbl] (0,0)]
132 ( @width:@blocklw | [stroke [circle @smallblockr]] )
135 sumpicture: \ .> [roundblock (TeX `$\Sigma$´)]
137 splitdot: \ .> ( @nonstroking:@stroking | [fill [circle 2.5 * @connectionlw]] )
139 termcircle: \ .> ( @width:@connectionlw | [stroke [circle 3 * @connectionlw]] )
141 hhconnect: \ •dst pa pb mediation slide .>
143 mid: [mediate mediation pa.x pb.x] + [if pb.x > pa.x 1 ~1] * slide
144 respath: pa--( mid, pa.y )--( mid, pb.y )--pb
145 •dst << @width:@connectionlw | [@connectpainter respath]
148 vvconnect: \ •dst pa pb mediation slide .>
150 mid: [mediate mediation pa.y pb.y] + [if pb.y > pa.y 1 ~1 ] * slide
151 respath: pa--( pa.x, mid )--( pb.x, mid )--pb
152 •dst << @width:@connectionlw | [@connectpainter respath]
155 hvconnect: \ •dst pa pb .>
157 respath: pa--( pb.x, pa.y )--pb
158 •dst << @width:@connectionlw | [@connectpainter respath]
161 vhconnect: \ •dst pa pb .>
163 respath: pa--( pa.x, pb.y )--pb
164 •dst << @width:@connectionlw | [@connectpainter respath]
168 conlabel: \ shiftdir lbl z .> [[shift z] [shiftoffwlm lbl shiftdir]]
170 leftpoint: \ pic n:1 i:1 .> { bb: [bbox pic] ([xmin bb], [mediate i/(n+1) [ymin bb] [ymax bb]])}
171 rightpoint: \ pic n:1 i:1 .> { bb: [bbox pic] ([xmax bb], [mediate i/(n+1) [ymin bb] [ymax bb]])}
172 bottompoint: \ pic n:1 i:1 .> { bb: [bbox pic] ([mediate i/(n+1) [xmin bb] [xmax bb]], [ymin bb])}
173 toppoint: \ pic n:1 i:1 .> { bb: [bbox pic] ([mediate i/(n+1) [xmin bb] [xmax bb]], [ymax bb])}
175 llconnect: \ •dst pica picb slide .> { z1:[leftpoint pica 1 1] z2:[leftpoint picb 1 1] [hhconnect •dst z1 z2 [if z1.x<z2.x 0 1] slide] }
176 rrconnect: \ •dst pica picb slide .> { z1:[rightpoint pica 1 1] z2:[rightpoint picb 1 1] [hhconnect •dst z1 z2 [if z1.x>z2.x 0 1] slide] }
177 bbconnect: \ •dst pica picb slide .> { z1:[bottompoint pica 1 1] z2:[bottompoint picb 1 1] [vvconnect •dst z1 z2 [if z1.x<z2.x 0 1] slide] }
178 ttconnect: \ •dst pica picb slide .> { z1:[toppoint pica 1 1] z2:[toppoint picb 1 1] [vvconnect •dst z1 z2 [if z1.x>z2.x 0 1] slide] }
180 lrconnect: \ •dst pica picb mediation:0.5 slide:0cm .> [hhconnect •dst [leftpoint pica 1 1] [rightpoint picb 1 1] mediation slide]
181 rlconnect: \ •dst pica picb mediation:0.5 slide:0cm .> [hhconnect •dst [rightpoint pica 1 1] [leftpoint picb 1 1] mediation slide]
182 btconnect: \ •dst pica picb mediation:0.5 slide:0cm .> [vvconnect •dst [bottompoint pica 1 1] [toppoint picb 1 1] mediation slide]
183 tbconnect: \ •dst pica picb mediation:0.5 slide:0cm .> [vvconnect •dst [toppoint pica 1 1] [bottompoint picb 1 1] mediation slide]
185 ltconnect: \ •dst pica picb .> [hvconnect •dst [leftpoint pica 1 1] [toppoint picb 1 1]]
186 lbconnect: \ •dst pica picb .> [hvconnect •dst [leftpoint pica 1 1] [bottompoint picb 1 1]]
187 rtconnect: \ •dst pica picb .> [hvconnect •dst [rightpoint pica 1 1] [toppoint picb 1 1]]
188 rbconnect: \ •dst pica picb .> [hvconnect •dst [rightpoint pica 1 1] [bottompoint picb 1 1]]
189 tlconnect: \ •dst pica picb .> [vhconnect •dst [toppoint pica 1 1] [leftpoint picb 1 1]]
190 trconnect: \ •dst pica picb .> [vhconnect •dst [toppoint pica 1 1] [rightpoint picb 1 1]]
191 blconnect: \ •dst pica picb .> [vhconnect •dst [bottompoint pica 1 1] [leftpoint picb 1 ]]
192 brconnect: \ •dst pica picb .> [vhconnect •dst [bottompoint pica 1 1] [rightpoint picb 1 1]]
194 connect: \ •dst pica picb .>
198 rxa: 0.5 * ( [xmax bba] - [xmin bba] )
199 rxb: 0.5 * ( [xmax bbb] - [xmin bbb] )
200 rya: 0.5 * ( [ymax bba] - [ymin bba] )
201 ryb: 0.5 * ( [ymax bbb] - [ymin bbb] )
202 ca: [pathpoint_mean bba]
203 cb: [pathpoint_mean bbb]
204 [if ca.x < cb.x - ( rxa + rxb )
205 [if ca.y < cb.y - ( rya + ryb )
206 [rbconnect •dst pica picb]
207 [if ca.y > cb.y + ( rya + ryb )
208 [rtconnect •dst pica picb]
209 [rlconnect •dst pica picb]
211 [if ca.x > cb.x + ( rxa + rxb )
212 [if ca.y < cb.y - ( rya + ryb )
213 [lbconnect •dst pica picb]
214 [if ca.y > cb.y + ( rya + ryb )
215 [ltconnect •dst pica picb]
216 [lrconnect •dst pica picb]
218 [if ca.y < cb.y - ( rya + ryb )
219 [tbconnect •dst pica picb]
220 [if ca.y > cb.y + ( rya + ryb )
221 [btconnect •dst pica picb]
222 [hvconnect •dst ca cb]