50d78d27fc504acbe39e379b504d072d43df0622
[Faustine.git] / interpretor / preprocessor / faust-0.9.47mr3 / compiler / draw / schema / decorateSchema.cpp
1 /************************************************************************
2 ************************************************************************
3 FAUST compiler
4 Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
5 ---------------------------------------------------------------------
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 ************************************************************************
20 ************************************************************************/
21
22 #include "decorateSchema.h"
23 #include <iostream>
24 #include <assert.h>
25
26 using namespace std;
27
28 /**
29 * Creates a new decorated schema
30 */
31 schema* makeDecorateSchema ( schema* s, double margin, const string& text )
32 {
33 return new decorateSchema (s, margin, text);
34 }
35
36
37 /**
38 * A decorateSchema is a schema surrounded by a dashed rectangle with a
39 * label on the top left. The rectangle is placed at half the margin
40 * parameter. The constructor is made private to enforce the usage of
41 * makeDecorateSchema
42 */
43 decorateSchema::decorateSchema( schema* s, double margin, const string& text )
44 : schema(s->inputs(), s->outputs(), s->width()+2*margin, s->height()+2*margin),
45 fSchema(s),
46 fMargin(margin),
47 fText(text)
48 {
49 for (unsigned int i=0; i<inputs(); i++) fInputPoint.push_back(point(0,0));
50 for (unsigned int i=0; i<outputs(); i++) fOutputPoint.push_back(point(0,0));
51 }
52
53
54 /**
55 * Define the graphic position of the schema. Computes the graphic
56 * position of all the elements, in particular the inputs and outputs.
57 * This method must be called before draw(), otherwise draw is not allowed
58 */
59 void decorateSchema::place(double ox, double oy, int orientation)
60 {
61 beginPlace(ox, oy, orientation);
62
63 fSchema->place(ox+fMargin, oy+fMargin, orientation);
64
65 double m = fMargin;
66 if (orientation == kRightLeft) {
67 m = -m;
68 }
69
70 for (unsigned int i=0; i < inputs(); i++) {
71 point p = fSchema->inputPoint(i);
72 fInputPoint[i] = point(p.x-m, p.y); //, p.z);
73 }
74
75 for (unsigned int i=0; i < outputs(); i++) {
76 point p = fSchema->outputPoint(i);
77 fOutputPoint[i] = point(p.x+m, p.y); //, p.z);
78 }
79
80 endPlace();
81 }
82
83 /**
84 * Returns an input point
85 */
86 point decorateSchema::inputPoint(unsigned int i) const
87 {
88 assert (placed());
89 assert (i < inputs());
90 return fInputPoint[i];
91 }
92
93 /**
94 * Returns an output point
95 */
96 point decorateSchema::outputPoint(unsigned int i) const
97 {
98 assert (placed());
99 assert (i < outputs());
100 return fOutputPoint[i];
101 }
102
103 /**
104 * Draw the enlarged schema. This methods can only
105 * be called after the block have been placed
106 */
107 void decorateSchema::draw(device& dev)
108 {
109 assert(placed());
110
111 fSchema->draw(dev);
112 #if 0
113 // draw enlarge input wires
114 for (unsigned int i=0; i<inputs(); i++) {
115 point p = inputPoint(i);
116 point q = fSchema->inputPoint(i);
117 dev.trait(p.x, p.y, q.x, q.y);
118 }
119
120 // draw enlarge output wires
121 for (unsigned int i=0; i<outputs(); i++) {
122 point p = outputPoint(i);
123 point q = fSchema->outputPoint(i);
124 dev.trait(p.x, p.y, q.x, q.y);
125 }
126 #endif
127 // define the coordinates of the frame
128 double tw = (2+fText.size())*dLetter*0.75;
129 double x0 = x() + fMargin/2; // left
130 double y0 = y() + fMargin/2; // top
131 double x1 = x() + width() - fMargin/2; // right
132 double y1 = y() + height() - fMargin/2; // bottom
133 //double tl = x0 + 2*dWire; // left of text zone
134 double tl = x() + fMargin; // left of text zone
135 double tr = min(tl+tw, x1); // right of text zone
136
137 // draw the surronding frame
138 dev.dasharray(x0, y0, x0, y1); // left line
139 dev.dasharray(x0, y1, x1, y1); // bottom line
140 dev.dasharray(x1, y1, x1, y0); // right line
141 dev.dasharray(x0, y0, tl, y0); // top segment before text
142 dev.dasharray(tr, y0, x1, y0); // top segment after text
143
144 // draw the label
145 dev.label(tl, y0, fText.c_str()); //
146 }
147
148 /**
149 * Draw the enlarged schema. This methods can only
150 * be called after the block have been placed
151 */
152 void decorateSchema::collectTraits(collector& c)
153 {
154 assert(placed());
155
156 fSchema->collectTraits(c);
157
158 // draw enlarge input wires
159 for (unsigned int i=0; i<inputs(); i++) {
160 point p = inputPoint(i);
161 point q = fSchema->inputPoint(i);
162 c.addTrait(trait(p,q)); // in->out direction
163 }
164
165 // draw enlarge output wires
166 for (unsigned int i=0; i<outputs(); i++) {
167 point p = fSchema->outputPoint(i);
168 point q = outputPoint(i);
169 c.addTrait(trait(p,q)); // in->out direction
170 }
171 }