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/*
* OpenSCAD (www.openscad.at)
* Copyright (C) 2009 Clifford Wolf <clifford@clifford.at>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#define INCLUDE_ABSTRACT_NODE_DETAILS
#include "openscad.h"
#include "printutils.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
class DxfRotateExtrudeModule : public AbstractModule
{
public:
DxfRotateExtrudeModule() { }
virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstantiation *inst) const;
};
class DxfRotateExtrudeNode : public AbstractPolyNode
{
public:
int convexity;
double fn, fs, fa;
double origin_x, origin_y, scale;
QString filename, layername;
DxfRotateExtrudeNode(const ModuleInstantiation *mi) : AbstractPolyNode(mi) {
convexity = 0;
fn = fs = fa = 0;
origin_x = origin_y = scale = 0;
}
virtual PolySet *render_polyset(render_mode_e mode) const;
virtual QString dump(QString indent) const;
};
AbstractNode *DxfRotateExtrudeModule::evaluate(const Context *ctx, const ModuleInstantiation *inst) const
{
DxfRotateExtrudeNode *node = new DxfRotateExtrudeNode(inst);
QVector<QString> argnames = QVector<QString>() << "file" << "layer" << "origin" << "scale";
QVector<Expression*> argexpr;
Context c(ctx);
c.args(argnames, argexpr, inst->argnames, inst->argvalues);
node->fn = c.lookup_variable("$fn").num;
node->fs = c.lookup_variable("$fs").num;
node->fa = c.lookup_variable("$fa").num;
Value file = c.lookup_variable("file");
Value layer = c.lookup_variable("layer", true);
Value convexity = c.lookup_variable("convexity", true);
Value origin = c.lookup_variable("origin", true);
Value scale = c.lookup_variable("scale", true);
node->filename = file.text;
node->layername = layer.text;
node->convexity = (int)convexity.num;
origin.getv2(node->origin_x, node->origin_y);
node->scale = scale.num;
if (node->convexity <= 0)
node->convexity = 1;
if (node->scale <= 0)
node->scale = 1;
return node;
}
void register_builtin_dxf_rotate_extrude()
{
builtin_modules["dxf_rotate_extrude"] = new DxfRotateExtrudeModule();
}
PolySet *DxfRotateExtrudeNode::render_polyset(render_mode_e) const
{
QString key = mk_cache_id();
if (PolySet::ps_cache.contains(key)) {
PRINT(PolySet::ps_cache[key]->msg);
return PolySet::ps_cache[key]->ps->link();
}
print_messages_push();
DxfData dxf(fn, fs, fa, filename, layername, origin_x, origin_y, scale);
PolySet *ps = new PolySet();
ps->convexity = convexity;
for (int i = 0; i < dxf.paths.count(); i++)
{
double max_x = 0;
for (int j = 0; j < dxf.paths[i].points.count(); j++) {
max_x = fmax(max_x, dxf.paths[i].points[j]->x);
}
int fragments = get_fragments_from_r(max_x, fn, fs, fa);
double points[fragments][dxf.paths[i].points.count()][3];
for (int j = 0; j < fragments; j++) {
double a = (j*2*M_PI) / fragments;
for (int k = 0; k < dxf.paths[i].points.count(); k++) {
if (dxf.paths[i].points[k]->x == 0) {
points[j][k][0] = 0;
points[j][k][1] = 0;
} else {
points[j][k][0] = dxf.paths[i].points[k]->x * sin(a);
points[j][k][1] = dxf.paths[i].points[k]->x * cos(a);
}
points[j][k][2] = dxf.paths[i].points[k]->y;
}
}
for (int j = 0; j < fragments; j++) {
int j1 = j + 1 < fragments ? j + 1 : 0;
for (int k = 0; k < dxf.paths[i].points.count(); k++) {
int k1 = k + 1 < dxf.paths[i].points.count() ? k + 1 : 0;
if (points[j][k][0] != points[j1][k][0] ||
points[j][k][1] != points[j1][k][1] ||
points[j][k][2] != points[j1][k][2]) {
ps->append_poly();
ps->append_vertex(points[j ][k ][0],
points[j ][k ][1], points[j ][k ][2]);
ps->append_vertex(points[j1][k ][0],
points[j1][k ][1], points[j1][k ][2]);
ps->append_vertex(points[j ][k1][0],
points[j ][k1][1], points[j ][k1][2]);
}
if (points[j][k1][0] != points[j1][k1][0] ||
points[j][k1][1] != points[j1][k1][1] ||
points[j][k1][2] != points[j1][k1][2]) {
ps->append_poly();
ps->append_vertex(points[j ][k1][0],
points[j ][k1][1], points[j ][k1][2]);
ps->append_vertex(points[j1][k ][0],
points[j1][k ][1], points[j1][k ][2]);
ps->append_vertex(points[j1][k1][0],
points[j1][k1][1], points[j1][k1][2]);
}
}
}
}
PolySet::ps_cache.insert(key, new PolySet::ps_cache_entry(ps->link()));
print_messages_pop();
return ps;
}
QString DxfRotateExtrudeNode::dump(QString indent) const
{
if (dump_cache.isEmpty()) {
QString text;
struct stat st;
memset(&st, 0, sizeof(struct stat));
stat(filename.toAscii().data(), &st);
text.sprintf("dxf_rotate_extrude(file = \"%s\", cache = \"%x.%x\", layer = \"%s\", "
"origin = [ %f %f ], scale = %f, convexity = %d, "
"$fn = %f, $fa = %f, $fs = %f);\n",
filename.toAscii().data(), (int)st.st_mtime, (int)st.st_size,
layername.toAscii().data(), origin_x, origin_y, scale, convexity,
fn, fs, fa);
((AbstractNode*)this)->dump_cache = indent + QString("n%1: ").arg(idx) + text;
}
return dump_cache;
}
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