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authorkintel <kintel@b57f626f-c46c-0410-a088-ec61d464b74c>2010-01-30 04:17:05 (GMT)
committerkintel <kintel@b57f626f-c46c-0410-a088-ec61d464b74c>2010-01-30 04:17:05 (GMT)
commit6940d171812565209efe679a5d923417c3f47d4a (patch)
tree2a05d2f8865ff1127f854db41bf31143f64ccf2d /transform.cc
parent2b19f33ee1ddce246c2bfe0a05fe379d0117a741 (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.cc369
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);
-}
-
contact: Jan Huwald // Impressum