--- /dev/null
+/************************************************************************
+ ************************************************************************
+ FAUST compiler
+ Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
+ ---------------------------------------------------------------------
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ ************************************************************************
+ ************************************************************************/
+
+
+#include "blockSchema.h"
+#include <assert.h>
+
+using namespace std;
+
+static double quantize(int n)
+{
+ int q = 3;
+ return dLetter * (q *((n+q-1)/q));
+}
+
+/**
+ * Build a simple colored blockSchema with a certain number of
+ * inputs and outputs, a text to be displayed, and an optional link.
+ * Computes the size of the box according to the length of the text
+ * and the maximum number of ports.
+ */
+schema* makeBlockSchema ( unsigned int inputs,
+ unsigned int outputs,
+ const string& text,
+ const string& color,
+ const string& link )
+{
+ // determine the optimal size of the box
+ double minimal = 3*dWire;
+ double w = 2*dHorz + max( minimal, quantize(text.size()) );
+ double h = 2*dVert + max( minimal, max(inputs, outputs) * dWire );
+
+ return new blockSchema(inputs, outputs, w, h, text, color, link);
+}
+
+/**
+ * Build a simple colored blockSchema with a certain number of
+ * inputs and outputs, a text to be displayed, and an optional link.
+ * The length of the text as well as th number of inputs and outputs
+ * are used to compute the size of the blockSchema
+ */
+blockSchema::blockSchema ( unsigned int inputs,
+ unsigned int outputs,
+ double width,
+ double height,
+ const string& text,
+ const string& color,
+ const string& link )
+
+ : schema( inputs, outputs, width, height ),
+ fText(text),
+ fColor(color),
+ fLink(link)
+{
+ for (unsigned int i=0; i<inputs; i++) fInputPoint.push_back(point(0,0));
+ for (unsigned int i=0; i<outputs; i++) fOutputPoint.push_back(point(0,0));
+}
+
+/**
+ * Define the graphic position of the blockSchema. Computes the graphic
+ * position of all the elements, in particular the inputs and outputs.
+ * This method must be called before draw(), otherwise draw is not allowed
+ */
+void blockSchema::place(double x, double y, int orientation)
+{
+ beginPlace(x, y, orientation);
+
+ placeInputPoints();
+ placeOutputPoints();
+
+ endPlace();
+}
+
+/**
+ * Returns an input point
+ */
+point blockSchema::inputPoint(unsigned int i) const
+{
+ assert (placed());
+ assert (i < inputs());
+ return fInputPoint[i];
+}
+
+/**
+ * Returns an output point
+ */
+point blockSchema::outputPoint(unsigned int i) const
+{
+ assert (placed());
+ assert (i < outputs());
+ return fOutputPoint[i];
+}
+
+/**
+ * Computes the input points according to the position and the
+ * orientation of the blockSchema
+ */
+void blockSchema::placeInputPoints()
+{
+ int N = inputs();
+
+ if (orientation() == kLeftRight) {
+
+ double px = x();
+ double py = y() + (height() - dWire*(N-1))/2;
+
+ for (int i=0; i<N; i++) {
+ fInputPoint[i] = point(px, py+i*dWire);
+ }
+
+ } else {
+
+ double px = x() + width();
+ double py = y() + height() - (height() - dWire*(N-1))/2;
+
+ for (int i=0; i<N; i++) {
+ fInputPoint[i] = point(px, py-i*dWire);
+ }
+ }
+}
+
+
+/**
+ * Computes the output points according to the position and the
+ * orientation of the blockSchema
+ */
+void blockSchema::placeOutputPoints()
+{
+ int N = outputs();
+
+ if (orientation() == kLeftRight) {
+
+ double px = x() + width();
+ double py = y() + (height() - dWire*(N-1))/2;
+
+ for (int i=0; i<N; i++) {
+ fOutputPoint[i] = point(px, py + i*dWire);
+ }
+
+ } else {
+
+ double px = x();
+ double py = y() + height() - (height() - dWire*(N-1))/2;
+
+ for (int i=0; i<N; i++) {
+ fOutputPoint[i] = point(px, py - i*dWire);
+ }
+ }
+}
+
+
+/**
+ * Draw the blockSchema on the device. This methos can only
+ * be called after the blockSchema have been placed
+ */
+void blockSchema::draw(device& dev)
+{
+ assert(placed());
+
+ drawRectangle(dev);
+ drawText(dev);
+ drawOrientationMark(dev);
+ drawInputWires(dev);
+ drawOutputWires(dev);
+}
+
+/**
+ * Draw the colored rectangle with the optional link
+ */
+void blockSchema::drawRectangle(device& dev)
+{
+ dev.rect( x() + dHorz,
+ y() + dVert,
+ width() - 2*dHorz,
+ height() - 2*dVert,
+ fColor.c_str(),
+ fLink.c_str()
+ );
+}
+
+
+/**
+ * Draw the text centered on the box
+ */
+void blockSchema::drawText(device& dev)
+{
+ dev.text( x() + width()/2,
+ y() + height()/2,
+ fText.c_str(),
+ fLink.c_str()
+ );
+}
+
+
+/**
+ * Draw the orientation mark, a small point that indicates
+ * the first input (like integrated circuits)
+ */
+void blockSchema::drawOrientationMark(device& dev)
+{
+ double px, py;
+
+ if (orientation() == kLeftRight) {
+ px = x() + dHorz;
+ py = y() + dVert;
+ } else {
+ px = x() + width() - dHorz;
+ py = y() + height() - dVert;
+ }
+
+ dev.markSens( px, py, orientation() );
+}
+#if 1
+/**
+ * Draw horizontal arrows from the input points to the
+ * blockSchema rectangle
+ */
+void blockSchema::drawInputWires(device& dev)
+{
+ double dx = (orientation() == kLeftRight) ? dHorz : -dHorz;
+
+ for (unsigned int i=0; i<inputs(); i++) {
+ point p = fInputPoint[i];
+ //dev.trait(p.x, p.y, p.x+dx, p.y);
+ dev.fleche(p.x+dx, p.y, 0, orientation());
+ }
+}
+
+/**
+ * Draw horizontal line from the blockSchema rectangle to the
+ * output points
+ */
+void blockSchema::drawOutputWires(device& dev)
+{
+ //double dx = (orientation() == kLeftRight) ? dHorz : -dHorz;
+
+ for (unsigned int i=0; i<outputs(); i++) {
+ point p = fOutputPoint[i];
+ //dev.trait(p.x, p.y, p.x-dx, p.y);
+ }
+}
+#endif
+
+/**
+ * Draw horizontal arrows from the input points to the
+ * blockSchema rectangle
+ */
+void blockSchema::collectTraits(collector& c)
+{
+ collectInputWires(c);
+ collectOutputWires(c);
+}
+
+/**
+ * Draw horizontal arrows from the input points to the
+ * blockSchema rectangle
+ */
+void blockSchema::collectInputWires(collector& c)
+{
+ double dx = (orientation() == kLeftRight) ? dHorz : -dHorz;
+
+ for (unsigned int i=0; i<inputs(); i++) {
+ point p = fInputPoint[i];
+ c.addTrait(trait(point(p.x, p.y), point(p.x+dx, p.y))); // in->out direction
+ c.addInput(point(p.x+dx, p.y));
+ }
+}
+
+/**
+ * Draw horizontal line from the blockSchema rectangle to the
+ * output points
+ */
+void blockSchema::collectOutputWires(collector& c)
+{
+ double dx = (orientation() == kLeftRight) ? dHorz : -dHorz;
+
+ for (unsigned int i=0; i<outputs(); i++) {
+ point p = fOutputPoint[i];
+ c.addTrait(trait(point(p.x-dx, p.y), point(p.x, p.y))); // in->out direction
+ c.addOutput(point(p.x-dx, p.y));
+ }
+}
+
+