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/*
drvrib.cpp - Driver to output RenderMan RIB polygons
- written by Glenn M. Lewis (glewis@c2.net) - 6/18/96
http://www.c2.net/~glewis/
Based on...
drvSAMPL.cpp : This file is part of pstoedit
Skeleton for the implementation of new backends
Copyright (C) 1993,1994,1995,1996,1997 Wolfgang Glunz, Wolfgang.Glunz@mchp.siemens.de
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 <stdio.h>
// rcw2: work round case insensitivity in RiscOS
#ifdef riscos
#include "unix:string.h"
#else
#include <string.h>
#endif
#include <stdlib.h>
#include "drvrib.h"
drvRIB::drvRIB(const char * driveroptions_p,ostream & theoutStream,ostream & theerrStream): // Constructor
drvbase(driveroptions_p,theoutStream,theerrStream,
0, // if backend supports subpathes, else 0
// if subpathes are supported, the backend must deal with
// sequences of the following form
// moveto (start of subpath)
// lineto (a line segment)
// lineto
// moveto (start of a new subpath)
// lineto (a line segment)
// lineto
//
// If this argument is set to 0 each subpath is drawn
// individually which might not necessarily represent
// the original drawing.
0, // if backend supports curves, else 0
0 // if backend supports elements with fill and edges
)
{
// driver specific initializations
// and writing of header to output file
outf << "##RenderMan RIB-Structure 1.0" << endl;
outf << "version 3.03" << endl;
outf << "AttributeBegin" << endl;
}
drvRIB::~drvRIB()
{
// driver specific deallocations
// and writing of trailer to output file
outf << "AttributeEnd" << endl;
}
void drvRIB::print_coords()
{
outf << "PointsGeneralPolygons[1]" << endl;
outf << "[" << numberOfElementsInPath() << "]" << endl << "[";
for (unsigned int i = 0; i < numberOfElementsInPath(); i++) {
outf << i << " ";
}
outf << "]" << endl << "\"P\" [";
for (unsigned int n = 0; n < numberOfElementsInPath(); n++) {
const basedrawingelement & elem = pathElement(n);
switch (elem.getType()) {
case moveto: {
const Point & p = elem.getPoint(0);
// outf << "\t\tmoveto ";
outf << p.x_ + x_offset << " " << p.y_ + y_offset << " 0 " ;
}
break;
case lineto: {
const Point & p = elem.getPoint(0);
// outf << "\t\tlineto ";
outf << p.x_ + x_offset << " " << p.y_ + y_offset << " 0 " ;
}
break;
case closepath: // Not supported
// outf << "\t\tclosepath ";
break;
case curveto:{ // Not supported
}
break;
default:
errf << "\t\tFatal: unexpected case in drvpdf " << endl;
abort();
break;
}
outf << endl;
}
outf << "]" << endl;
}
void drvRIB::open_page()
{
// outf << "Opening page: " << currentPageNumber << endl;
}
void drvRIB::close_page()
{
// outf << "Closing page: " << (currentPageNumber) << endl;
}
void drvRIB::show_text(const TextInfo & textinfo)
{
// Must use the -dt flag for this, since RenderMan doesn't support text
unused(&textinfo);
}
void drvRIB::show_path()
{
outf << "Color " << currentR() << " " << currentG() << " " << currentB() << endl;
print_coords();
};
void drvRIB::show_rectangle(const float llx, const float lly, const float urx, const float ury)
{
// outf << "Rectangle ( " << llx << "," << lly << ") (" << urx << "," << ury << ")" << endl;
// just do show_path for a first guess
unused(&llx);
unused(&lly);
unused(&urx);
unused(&ury);
show_path();
}
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