diff options
author | kintel <kintel@b57f626f-c46c-0410-a088-ec61d464b74c> | 2010-01-30 04:17:05 (GMT) |
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committer | kintel <kintel@b57f626f-c46c-0410-a088-ec61d464b74c> | 2010-01-30 04:17:05 (GMT) |
commit | 6940d171812565209efe679a5d923417c3f47d4a (patch) | |
tree | 2a05d2f8865ff1127f854db41bf31143f64ccf2d /transform.cc | |
parent | 2b19f33ee1ddce246c2bfe0a05fe379d0117a741 (diff) |
reorganized file structure layout. more to follow...
git-svn-id: http://svn.clifford.at/openscad/trunk@364 b57f626f-c46c-0410-a088-ec61d464b74c
Diffstat (limited to 'transform.cc')
-rw-r--r-- | transform.cc | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/transform.cc b/transform.cc deleted file mode 100644 index ecbfcc2..0000000 --- a/transform.cc +++ /dev/null @@ -1,369 +0,0 @@ -/* - * 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" - -enum transform_type_e { - SCALE, - ROTATE, - MIRROR, - TRANSLATE, - MULTMATRIX, - COLOR -}; - -class TransformModule : public AbstractModule -{ -public: - transform_type_e type; - TransformModule(transform_type_e type) : type(type) { } - virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstantiation *inst) const; -}; - -class TransformNode : public AbstractNode -{ -public: - double m[20]; - TransformNode(const ModuleInstantiation *mi) : AbstractNode(mi) { } -#ifdef ENABLE_CGAL - virtual CGAL_Nef_polyhedron render_cgal_nef_polyhedron() const; -#endif - virtual CSGTerm *render_csg_term(double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background) const; - virtual QString dump(QString indent) const; -}; - -AbstractNode *TransformModule::evaluate(const Context *ctx, const ModuleInstantiation *inst) const -{ - TransformNode *node = new TransformNode(inst); - - for (int i = 0; i < 16; i++) - node->m[i] = i % 5 == 0 ? 1.0 : 0.0; - for (int i = 16; i < 20; i++) - node->m[i] = -1; - - QVector<QString> argnames; - QVector<Expression*> argexpr; - - if (type == SCALE) { - argnames = QVector<QString>() << "v"; - } - if (type == ROTATE) { - argnames = QVector<QString>() << "a" << "v"; - } - if (type == MIRROR) { - argnames = QVector<QString>() << "v"; - } - if (type == TRANSLATE) { - argnames = QVector<QString>() << "v"; - } - if (type == MULTMATRIX) { - argnames = QVector<QString>() << "m"; - } - if (type == COLOR) { - argnames = QVector<QString>() << "c"; - } - - Context c(ctx); - c.args(argnames, argexpr, inst->argnames, inst->argvalues); - - if (type == SCALE) - { - Value v = c.lookup_variable("v"); - v.getnum(node->m[0]); - v.getnum(node->m[5]); - v.getnum(node->m[10]); - v.getv3(node->m[0], node->m[5], node->m[10]); - if (node->m[10] <= 0) - node->m[10] = 1; - } - if (type == ROTATE) - { - Value val_a = c.lookup_variable("a"); - if (val_a.type == Value::VECTOR) - { - for (int i = 0; i < 3 && i < val_a.vec.size(); i++) { - double a; - val_a.vec[i]->getnum(a); - double c = cos(a*M_PI/180.0); - double s = sin(a*M_PI/180.0); - double x = i == 0, y = i == 1, z = i == 2; - double mr[16] = { - x*x*(1-c)+c, - y*x*(1-c)+z*s, - z*x*(1-c)-y*s, - 0, - x*y*(1-c)-z*s, - y*y*(1-c)+c, - z*y*(1-c)+x*s, - 0, - x*z*(1-c)+y*s, - y*z*(1-c)-x*s, - z*z*(1-c)+c, - 0, - 0, 0, 0, 1 - }; - double m[16]; - for (int x = 0; x < 4; x++) - for (int y = 0; y < 4; y++) - { - m[x+y*4] = 0; - for (int i = 0; i < 4; i++) - m[x+y*4] += node->m[i+y*4] * mr[x+i*4]; - } - for (int i = 0; i < 16; i++) - node->m[i] = m[i]; - } - } - else - { - Value val_v = c.lookup_variable("v"); - double a = 0, x = 0, y = 0, z = 1; - - val_a.getnum(a); - - if (val_v.getv3(x, y, z)) { - if (x != 0.0 || y != 0.0 || z != 0.0) { - double sn = 1.0 / sqrt(x*x + y*y + z*z); - x *= sn, y *= sn, z *= sn; - } - } - - if (x != 0.0 || y != 0.0 || z != 0.0) - { - double c = cos(a*M_PI/180.0); - double s = sin(a*M_PI/180.0); - - node->m[ 0] = x*x*(1-c)+c; - node->m[ 1] = y*x*(1-c)+z*s; - node->m[ 2] = z*x*(1-c)-y*s; - - node->m[ 4] = x*y*(1-c)-z*s; - node->m[ 5] = y*y*(1-c)+c; - node->m[ 6] = z*y*(1-c)+x*s; - - node->m[ 8] = x*z*(1-c)+y*s; - node->m[ 9] = y*z*(1-c)-x*s; - node->m[10] = z*z*(1-c)+c; - } - } - } - if (type == MIRROR) - { - Value val_v = c.lookup_variable("v"); - double x = 1, y = 0, z = 0; - - if (val_v.getv3(x, y, z)) { - if (x != 0.0 || y != 0.0 || z != 0.0) { - double sn = 1.0 / sqrt(x*x + y*y + z*z); - x *= sn, y *= sn, z *= sn; - } - } - - if (x != 0.0 || y != 0.0 || z != 0.0) - { - node->m[ 0] = 1-2*x*x; - node->m[ 1] = -2*y*x; - node->m[ 2] = -2*z*x; - - node->m[ 4] = -2*x*y; - node->m[ 5] = 1-2*y*y; - node->m[ 6] = -2*z*y; - - node->m[ 8] = -2*x*z; - node->m[ 9] = -2*y*z; - node->m[10] = 1-2*z*z; - } - } - if (type == TRANSLATE) - { - Value v = c.lookup_variable("v"); - v.getv3(node->m[12], node->m[13], node->m[14]); - } - if (type == MULTMATRIX) - { - Value v = c.lookup_variable("m"); - if (v.type == Value::VECTOR) { - for (int i = 0; i < 16; i++) { - int x = i / 4, y = i % 4; - if (y < v.vec.size() && v.vec[y]->type == Value::VECTOR && x < v.vec[y]->vec.size()) - v.vec[y]->vec[x]->getnum(node->m[i]); - } - } - } - if (type == COLOR) - { - Value v = c.lookup_variable("c"); - if (v.type == Value::VECTOR) { - for (int i = 0; i < 4; i++) - node->m[16+i] = i < v.vec.size() ? v.vec[i]->num : 1.0; - } - } - - foreach (ModuleInstantiation *v, inst->children) { - AbstractNode *n = v->evaluate(inst->ctx); - if (n != NULL) - node->children.append(n); - } - - return node; -} - -#ifdef ENABLE_CGAL - -CGAL_Nef_polyhedron TransformNode::render_cgal_nef_polyhedron() const -{ - QString cache_id = mk_cache_id(); - if (cgal_nef_cache.contains(cache_id)) { - progress_report(); - PRINT(cgal_nef_cache[cache_id]->msg); - return cgal_nef_cache[cache_id]->N; - } - - print_messages_push(); - - bool first = true; - CGAL_Nef_polyhedron N; - - foreach (AbstractNode *v, children) { - if (v->modinst->tag_background) - continue; - if (first) { - N = v->render_cgal_nef_polyhedron(); - if (N.dim != 0) - first = false; - } else if (N.dim == 2) { - N.p2 += v->render_cgal_nef_polyhedron().p2; - } else if (N.dim == 3) { - N.p3 += v->render_cgal_nef_polyhedron().p3; - } - } - - if (N.dim == 2) - { - // Unfortunately CGAL provides no transform method for CGAL_Nef_polyhedron2 - // objects. So we convert in to our internal 2d data format, transform it, - // tesselate it and create a new CGAL_Nef_polyhedron2 from it.. What a hack! - - CGAL_Aff_transformation2 t( - m[0], m[4], m[12], - m[1], m[5], m[13], m[15]); - - DxfData dd(N); - for (int i=0; i < dd.points.size(); i++) { - CGAL_Kernel2::Point_2 p = CGAL_Kernel2::Point_2(dd.points[i].x, dd.points[i].y); - p = t.transform(p); - dd.points[i].x = to_double(p.x()); - dd.points[i].y = to_double(p.y()); - } - - PolySet ps; - ps.is2d = true; - dxf_tesselate(&ps, &dd, 0, true, false, 0); - - N = ps.render_cgal_nef_polyhedron(); - ps.refcount = 0; - } - if (N.dim == 3) { - CGAL_Aff_transformation t( - m[0], m[4], m[ 8], m[12], - m[1], m[5], m[ 9], m[13], - m[2], m[6], m[10], m[14], m[15]); - N.p3.transform(t); - } - - cgal_nef_cache.insert(cache_id, new cgal_nef_cache_entry(N), N.weight()); - print_messages_pop(); - progress_report(); - - return N; -} - -#endif /* ENABLE_CGAL */ - -CSGTerm *TransformNode::render_csg_term(double c[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background) const -{ - double x[20]; - - for (int i = 0; i < 16; i++) - { - int c_row = i%4; - int m_col = i/4; - x[i] = 0; - for (int j = 0; j < 4; j++) - x[i] += c[c_row + j*4] * m[m_col*4 + j]; - } - - for (int i = 16; i < 20; i++) - x[i] = m[i] < 0 ? c[i] : m[i]; - - CSGTerm *t1 = NULL; - foreach(AbstractNode *v, children) - { - CSGTerm *t2 = v->render_csg_term(x, highlights, background); - if (t2 && !t1) { - t1 = t2; - } else if (t2 && t1) { - t1 = new CSGTerm(CSGTerm::TYPE_UNION, t1, t2); - } - } - if (t1 && modinst->tag_highlight && highlights) - highlights->append(t1->link()); - if (t1 && modinst->tag_background && background) { - background->append(t1); - return NULL; - } - return t1; -} - -QString TransformNode::dump(QString indent) const -{ - if (dump_cache.isEmpty()) { - QString text; - if (m[16] >= 0 || m[17] >= 0 || m[18] >= 0 || m[19] >= 0) - text.sprintf("n%d: color([%g, %g, %g, %g])", idx, - m[16], m[17], m[18], m[19]); - else - text.sprintf("n%d: multmatrix([[%g, %g, %g, %g], [%g, %g, %g, %g], " - "[%g, %g, %g, %g], [%g, %g, %g, %g]])", idx, - m[0], m[4], m[ 8], m[12], - m[1], m[5], m[ 9], m[13], - m[2], m[6], m[10], m[14], - m[3], m[7], m[11], m[15]); - text = indent + text + " {\n"; - foreach (AbstractNode *v, children) - text += v->dump(indent + QString("\t")); - ((AbstractNode*)this)->dump_cache = text + indent + "}\n"; - } - return dump_cache; -} - -void register_builtin_transform() -{ - builtin_modules["scale"] = new TransformModule(SCALE); - builtin_modules["rotate"] = new TransformModule(ROTATE); - builtin_modules["mirror"] = new TransformModule(MIRROR); - builtin_modules["translate"] = new TransformModule(TRANSLATE); - builtin_modules["multmatrix"] = new TransformModule(MULTMATRIX); - builtin_modules["color"] = new TransformModule(COLOR); -} - |