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diff --git a/dxflinextrude.cc b/dxflinextrude.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 <QApplication>
-#include <QTime>
-
-class DxfLinearExtrudeModule : public AbstractModule
-{
-public:
- DxfLinearExtrudeModule() { }
- virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstantiation *inst) const;
-};
-
-class DxfLinearExtrudeNode : public AbstractPolyNode
-{
-public:
- int convexity, slices;
- double fn, fs, fa, height, twist;
- double origin_x, origin_y, scale;
- bool center, has_twist;
- QString filename, layername;
- DxfLinearExtrudeNode(const ModuleInstantiation *mi) : AbstractPolyNode(mi) {
- convexity = slices = 0;
- fn = fs = fa = height = twist = 0;
- origin_x = origin_y = scale = 0;
- center = has_twist = false;
- }
- virtual PolySet *render_polyset(render_mode_e mode) const;
- virtual QString dump(QString indent) const;
-};
-
-AbstractNode *DxfLinearExtrudeModule::evaluate(const Context *ctx, const ModuleInstantiation *inst) const
-{
- DxfLinearExtrudeNode *node = new DxfLinearExtrudeNode(inst);
-
- QVector<QString> argnames = QVector<QString>() << "file" << "layer" << "height" << "origin" << "scale" << "center" << "twist" << "slices";
- 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 height = c.lookup_variable("height", true);
- Value convexity = c.lookup_variable("convexity", true);
- Value origin = c.lookup_variable("origin", true);
- Value scale = c.lookup_variable("scale", true);
- Value center = c.lookup_variable("center", true);
- Value twist = c.lookup_variable("twist", true);
- Value slices = c.lookup_variable("slices", true);
-
- node->filename = file.text;
- node->layername = layer.text;
- node->height = height.num;
- node->convexity = (int)convexity.num;
- origin.getv2(node->origin_x, node->origin_y);
- node->scale = scale.num;
-
- if (center.type == Value::BOOL)
- node->center = center.b;
-
- if (node->height <= 0)
- node->height = 100;
-
- if (node->convexity <= 0)
- node->convexity = 1;
-
- if (node->scale <= 0)
- node->scale = 1;
-
- if (twist.type == Value::NUMBER) {
- node->twist = twist.num;
- if (slices.type == Value::NUMBER) {
- node->slices = (int)slices.num;
- } else {
- node->slices = (int)fmax(2, fabs(get_fragments_from_r(node->height,
- node->fn, node->fs, node->fa) * node->twist / 360));
- }
- node->has_twist = true;
- }
-
- 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_linear_extrude()
-{
- builtin_modules["dxf_linear_extrude"] = new DxfLinearExtrudeModule();
- builtin_modules["linear_extrude"] = new DxfLinearExtrudeModule();
-}
-
-static void add_slice(PolySet *ps, DxfData::Path *pt, double rot1, double rot2, double h1, double h2)
-{
- for (int j = 1; j < pt->points.count(); j++)
- {
- int k = j - 1;
-
- double jx1 = pt->points[j]->x * cos(rot1*M_PI/180) + pt->points[j]->y * sin(rot1*M_PI/180);
- double jy1 = pt->points[j]->x * -sin(rot1*M_PI/180) + pt->points[j]->y * cos(rot1*M_PI/180);
-
- double jx2 = pt->points[j]->x * cos(rot2*M_PI/180) + pt->points[j]->y * sin(rot2*M_PI/180);
- double jy2 = pt->points[j]->x * -sin(rot2*M_PI/180) + pt->points[j]->y * cos(rot2*M_PI/180);
-
- double kx1 = pt->points[k]->x * cos(rot1*M_PI/180) + pt->points[k]->y * sin(rot1*M_PI/180);
- double ky1 = pt->points[k]->x * -sin(rot1*M_PI/180) + pt->points[k]->y * cos(rot1*M_PI/180);
-
- double kx2 = pt->points[k]->x * cos(rot2*M_PI/180) + pt->points[k]->y * sin(rot2*M_PI/180);
- double ky2 = pt->points[k]->x * -sin(rot2*M_PI/180) + pt->points[k]->y * cos(rot2*M_PI/180);
-
- double dia1_len_sq = (jy1-ky2)*(jy1-ky2) + (jx1-kx2)*(jx1-kx2);
- double dia2_len_sq = (jy2-ky1)*(jy2-ky1) + (jx2-kx1)*(jx2-kx1);
-
- if (dia1_len_sq > dia2_len_sq)
- {
- ps->append_poly();
- if (pt->is_inner) {
- ps->append_vertex(kx1, ky1, h1);
- ps->append_vertex(jx1, jy1, h1);
- ps->append_vertex(jx2, jy2, h2);
- } else {
- ps->insert_vertex(kx1, ky1, h1);
- ps->insert_vertex(jx1, jy1, h1);
- ps->insert_vertex(jx2, jy2, h2);
- }
-
- ps->append_poly();
- if (pt->is_inner) {
- ps->append_vertex(kx2, ky2, h2);
- ps->append_vertex(kx1, ky1, h1);
- ps->append_vertex(jx2, jy2, h2);
- } else {
- ps->insert_vertex(kx2, ky2, h2);
- ps->insert_vertex(kx1, ky1, h1);
- ps->insert_vertex(jx2, jy2, h2);
- }
- }
- else
- {
- ps->append_poly();
- if (pt->is_inner) {
- ps->append_vertex(kx1, ky1, h1);
- ps->append_vertex(jx1, jy1, h1);
- ps->append_vertex(kx2, ky2, h2);
- } else {
- ps->insert_vertex(kx1, ky1, h1);
- ps->insert_vertex(jx1, jy1, h1);
- ps->insert_vertex(kx2, ky2, h2);
- }
-
- ps->append_poly();
- if (pt->is_inner) {
- ps->append_vertex(jx2, jy2, h2);
- ps->append_vertex(kx2, ky2, h2);
- ps->append_vertex(jx1, jy1, h1);
- } else {
- ps->insert_vertex(jx2, jy2, h2);
- ps->insert_vertex(kx2, ky2, h2);
- ps->insert_vertex(jx1, jy1, h1);
- }
- }
- }
-}
-
-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 *DxfLinearExtrudeNode::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 = NULL;
-
- if (rm == RENDER_OPENCSG)
- {
- PRINT_NOCACHE("Processing uncached linear_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);
- }
-
- // Before extruding, union all (2D) children nodes
- // to a single DxfData, then tessealte this into a PolySet
- 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;
-
- double h1, h2;
-
- if (center) {
- h1 = -height/2.0;
- h2 = +height/2.0;
- } else {
- h1 = 0;
- h2 = height;
- }
-
- bool first_open_path = true;
- for (int i = 0; i < dxf->paths.count(); i++)
- {
- if (dxf->paths[i].is_closed)
- continue;
- if (first_open_path) {
- PRINTF("WARING: Open paths in dxf_liniear_extrude(file = \"%s\", layer = \"%s\"):",
- filename.toAscii().data(), layername.toAscii().data());
- first_open_path = false;
- }
- PRINTF(" %9.5f %10.5f ... %10.5f %10.5f",
- dxf->paths[i].points.first()->x / scale + origin_x,
- dxf->paths[i].points.first()->y / scale + origin_y,
- dxf->paths[i].points.last()->x / scale + origin_x,
- dxf->paths[i].points.last()->y / scale + origin_y);
- }
-
-
- if (has_twist)
- {
- dxf_tesselate(ps, dxf, 0, false, true, h1);
- dxf_tesselate(ps, dxf, twist, true, true, h2);
- for (int j = 0; j < slices; j++)
- {
- double t1 = twist*j / slices;
- double t2 = twist*(j+1) / slices;
- double g1 = h1 + (h2-h1)*j / slices;
- double g2 = h1 + (h2-h1)*(j+1) / slices;
- for (int i = 0; i < dxf->paths.count(); i++)
- {
- if (!dxf->paths[i].is_closed)
- continue;
- add_slice(ps, &dxf->paths[i], t1, t2, g1, g2);
- }
- }
- }
- else
- {
- dxf_tesselate(ps, dxf, 0, false, true, h1);
- dxf_tesselate(ps, dxf, 0, true, true, h2);
- for (int i = 0; i < dxf->paths.count(); i++)
- {
- if (!dxf->paths[i].is_closed)
- continue;
- add_slice(ps, &dxf->paths[i], 0, 0, h1, h2);
- }
- }
-
- PolySet::ps_cache.insert(key, new PolySet::ps_cache_entry(ps->link()));
- print_messages_pop();
- delete dxf;
-
- return ps;
-}
-
-QString DxfLinearExtrudeNode::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("linear_extrude(file = \"%s\", cache = \"%x.%x\", layer = \"%s\", "
- "height = %g, origin = [ %g %g ], scale = %g, center = %s, convexity = %d",
- filename.toAscii().data(), (int)st.st_mtime, (int)st.st_size,
- layername.toAscii().data(), height, origin_x, origin_y, scale,
- center ? "true" : "false", convexity);
- if (has_twist) {
- QString t2;
- t2.sprintf(", twist = %g, slices = %d", twist, slices);
- text += t2;
- }
- QString t3;
- t3.sprintf(", $fn = %g, $fa = %g, $fs = %g) {\n", fn, fs, fa);
- text += t3;
- 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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