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-rw-r--r--dxfrotextrude.cc251
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diff --git a/dxfrotextrude.cc b/dxfrotextrude.cc
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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>
-
-#include <QTime>
-#include <QApplication>
-
-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;
-
- if (node->filename.isEmpty()) {
- foreach (ModuleInstantiation *v, inst->children) {
- AbstractNode *n = v->evaluate(inst->ctx);
- if (n)
- node->children.append(n);
- }
- }
-
- return node;
-}
-
-void register_builtin_dxf_rotate_extrude()
-{
- builtin_modules["dxf_rotate_extrude"] = new DxfRotateExtrudeModule();
- builtin_modules["rotate_extrude"] = new DxfRotateExtrudeModule();
-}
-
-static void report_func(const class AbstractNode*, void *vp, int mark)
-{
- QProgressDialog *pd = (QProgressDialog*)vp;
- int v = (int)((mark*100.0) / progress_report_count);
- pd->setValue(v < 100 ? v : 99);
- QString label;
- label.sprintf("Rendering Polygon Mesh using CGAL (%d/%d)", mark, progress_report_count);
- pd->setLabelText(label);
- QApplication::processEvents();
-}
-
-PolySet *DxfRotateExtrudeNode::render_polyset(render_mode_e rm) 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;
-
- if (filename.isEmpty())
- {
- QTime t;
- QProgressDialog *pd;
-
- if (rm == RENDER_OPENCSG)
- {
- PRINT_NOCACHE("Processing uncached rotate_extrude outline...");
- QApplication::processEvents();
-
- t.start();
- pd = new QProgressDialog("Rendering Polygon Mesh using CGAL...", QString(), 0, 100);
- pd->setValue(0);
- pd->setAutoClose(false);
- pd->show();
- QApplication::processEvents();
-
- progress_report_prep((AbstractNode*)this, report_func, pd);
- }
-
- CGAL_Nef_polyhedron N;
- N.dim = 2;
- foreach(AbstractNode * v, children) {
- if (v->modinst->tag_background)
- continue;
- N.p2 += v->render_cgal_nef_polyhedron().p2;
- }
- dxf = new DxfData(N);
-
- if (rm == RENDER_OPENCSG) {
- progress_report_fin();
- int s = t.elapsed() / 1000;
- PRINTF_NOCACHE("..rendering time: %d hours, %d minutes, %d seconds", s / (60*60), (s / 60) % 60, s % 60);
- delete pd;
- }
- } else {
- dxf = new DxfData(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();
- delete dxf;
-
- 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("rotate_extrude(file = \"%s\", cache = \"%x.%x\", layer = \"%s\", "
- "origin = [ %g %g ], scale = %g, convexity = %d, "
- "$fn = %g, $fa = %g, $fs = %g) {\n",
- filename.toAscii().data(), (int)st.st_mtime, (int)st.st_size,
- layername.toAscii().data(), origin_x, origin_y, scale, convexity,
- fn, fs, fa);
- foreach (AbstractNode *v, children)
- text += v->dump(indent + QString("\t"));
- text += indent + "}\n";
- ((AbstractNode*)this)->dump_cache = indent + QString("n%1: ").arg(idx) + text;
- }
- return dump_cache;
-}
-
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