openscad/tests/csgtestcore.cc

297 lines
8.0 KiB
C++

// csg test core, used by throwntegether test and opencsg test
#include "csgtestcore.h"
#include "tests-common.h"
#include "system-gl.h"
#include "openscad.h"
#include "builtin.h"
#include "context.h"
#include "node.h"
#include "module.h"
#include "polyset.h"
#include "Tree.h"
#include "CSGTermEvaluator.h"
#include "CGALEvaluator.h"
#include "PolySetCGALEvaluator.h"
#include "OpenCSGRenderer.h"
#include "ThrownTogetherRenderer.h"
#include "csgterm.h"
#include "OffscreenView.h"
#include <QApplication>
#include <QFile>
#include <QDir>
#include <QSet>
#include <QTimer>
#include <sstream>
#include <vector>
#include <boost/program_options.hpp>
namespace po = boost::program_options;
using std::string;
using std::vector;
using std::cerr;
using std::cout;
std::string commandline_commands;
QString librarydir;
//#define DEBUG
class CsgInfo
{
public:
CsgInfo();
CSGTerm *root_norm_term; // Normalized CSG products
class CSGChain *root_chain;
vector<CSGTerm*> highlight_terms;
CSGChain *highlights_chain;
vector<CSGTerm*> background_terms;
CSGChain *background_chain;
OffscreenView *glview;
};
CsgInfo::CsgInfo() {
root_norm_term = NULL;
root_chain = NULL;
highlight_terms = vector<CSGTerm*>();
highlights_chain = NULL;
background_terms = vector<CSGTerm*>();
background_chain = NULL;
glview = NULL;
}
AbstractNode *find_root_tag(AbstractNode *n)
{
foreach(AbstractNode *v, n->children) {
if (v->modinst->tag_root) return v;
if (AbstractNode *vroot = find_root_tag(v)) return vroot;
}
return NULL;
}
string info_dump(OffscreenView *glview)
{
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#ifdef __GNUG__
#define compiler_info "GCC " << __VERSION__
#elif defined(_MSC_VER)
#define compiler_info "MSVC " << _MSC_FULL_VER
#else
#define compiler_info "unknown compiler"
#endif
assert(glview);
std::stringstream out;
out << "OpenSCAD info dump:"
<< "\nOpenSCAD Year/Month/Day: " << int(OPENSCAD_YEAR) << "."
<< int(OPENSCAD_MONTH) << "."
#ifdef OPENSCAD_DAY
<< int(OPENSCAD_DAY)
#endif
<< "\nOpenSCAD Version: " << TOSTRING(OPENSCAD_VERSION)
<< "\nCompiled with: " << compiler_info
<< "\nGL Context info: \n" << glview->getInfo()
<< "\n";
return out.str();
}
po::variables_map parse_options(int argc, char *argv[])
{
po::options_description desc("Allowed options");
desc.add_options()
("help,h", "help message")//;
("info,i", "information on GLEW, OpenGL, OpenSCAD, and OS")//;
// po::options_description hidden("Hidden options");
// hidden.add_options()
("input-file", po::value< vector<string> >(), "input file")
("output-file", po::value< vector<string> >(), "ouput file");
po::positional_options_description p;
p.add("input-file", 1).add("output-file", 1);
po::options_description all_options;
all_options.add(desc); // .add(hidden);
po::variables_map vm;
po::store(po::command_line_parser(argc, argv).options(all_options).positional(p).run(), vm);
po::notify(vm);
return vm;
}
int csgtestcore(int argc, char *argv[], test_type_e test_type)
{
bool sysinfo_dump = false;
const char *filename, *outfilename = NULL;
po::variables_map vm;
try {
vm = parse_options(argc, argv);
} catch ( po::error e ) {
cerr << "error parsing options\n";
}
if (vm.count("info")) sysinfo_dump = true;
if (vm.count("input-file"))
filename = vm["input-file"].as< vector<string> >().begin()->c_str();
if (vm.count("output-file"))
outfilename = vm["output-file"].as< vector<string> >().begin()->c_str();
if ((!filename || !outfilename) && !sysinfo_dump) {
cerr << "Usage: " << argv[0] << " <file.scad> <output.png>\n";
exit(1);
}
Builtins::instance()->initialize();
QApplication app(argc, argv, false);
QDir original_path = QDir::current();
QString currentdir = QDir::currentPath();
QDir libdir(QApplication::instance()->applicationDirPath());
#ifdef Q_WS_MAC
libdir.cd("../Resources"); // Libraries can be bundled
if (!libdir.exists("libraries")) libdir.cd("../../..");
#elif defined(Q_OS_UNIX)
if (libdir.cd("../share/openscad/libraries")) {
librarydir = libdir.path();
} else
if (libdir.cd("../../share/openscad/libraries")) {
librarydir = libdir.path();
} else
if (libdir.cd("../../libraries")) {
librarydir = libdir.path();
} else
#endif
if (libdir.cd("libraries")) {
librarydir = libdir.path();
}
Context root_ctx;
register_builtin(root_ctx);
AbstractModule *root_module;
ModuleInstantiation root_inst;
if (sysinfo_dump)
root_module = parse("sphere();","",false);
else
root_module = parsefile(filename);
if (!root_module) {
exit(1);
}
QFileInfo fileInfo(filename);
QDir::setCurrent(fileInfo.absolutePath());
AbstractNode::resetIndexCounter();
AbstractNode *absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
AbstractNode *root_node;
// Do we have an explicit root node (! modifier)?
if (!(root_node = find_root_tag(absolute_root_node))) root_node = absolute_root_node;
Tree tree(root_node);
CsgInfo csgInfo = CsgInfo();
CGALEvaluator cgalevaluator(tree);
CSGTermEvaluator evaluator(tree, &cgalevaluator.psevaluator);
CSGTerm *root_raw_term = evaluator.evaluateCSGTerm(*root_node,
csgInfo.highlight_terms,
csgInfo.background_terms);
if (!root_raw_term) {
cerr << "Error: CSG generation failed! (no top level object found)\n";
return 1;
}
// CSG normalization
csgInfo.root_norm_term = root_raw_term->link();
while (1) {
CSGTerm *n = csgInfo.root_norm_term->normalize();
csgInfo.root_norm_term->unlink();
if (csgInfo.root_norm_term == n)
break;
csgInfo.root_norm_term = n;
}
assert(csgInfo.root_norm_term);
csgInfo.root_chain = new CSGChain();
csgInfo.root_chain->import(csgInfo.root_norm_term);
fprintf(stderr, "Normalized CSG tree has %d elements\n", csgInfo.root_chain->polysets.size());
if (csgInfo.highlight_terms.size() > 0) {
cerr << "Compiling highlights (" << csgInfo.highlight_terms.size() << " CSG Trees)...\n";
csgInfo.highlights_chain = new CSGChain();
for (unsigned int i = 0; i < csgInfo.highlight_terms.size(); i++) {
while (1) {
CSGTerm *n = csgInfo.highlight_terms[i]->normalize();
csgInfo.highlight_terms[i]->unlink();
if (csgInfo.highlight_terms[i] == n)
break;
csgInfo.highlight_terms[i] = n;
}
csgInfo.highlights_chain->import(csgInfo.highlight_terms[i]);
}
}
if (csgInfo.background_terms.size() > 0) {
cerr << "Compiling background (" << csgInfo.background_terms.size() << " CSG Trees)...\n";
csgInfo.background_chain = new CSGChain();
for (unsigned int i = 0; i < csgInfo.background_terms.size(); i++) {
while (1) {
CSGTerm *n = csgInfo.background_terms[i]->normalize();
csgInfo.background_terms[i]->unlink();
if (csgInfo.background_terms[i] == n)
break;
csgInfo.background_terms[i] = n;
}
csgInfo.background_chain->import(csgInfo.background_terms[i]);
}
}
QDir::setCurrent(original_path.absolutePath());
try {
csgInfo.glview = new OffscreenView(512,512);
} catch (int error) {
fprintf(stderr,"Can't create OpenGL OffscreenView. Code: %i. Exiting.\n", error);
exit(1);
}
if (sysinfo_dump) cout << info_dump(csgInfo.glview);
BoundingBox bbox = csgInfo.root_chain->getBoundingBox();
Vector3d center = (bbox.min() + bbox.max()) / 2;
double radius = (bbox.max() - bbox.min()).norm() / 2;
Vector3d cameradir(1, 1, -0.5);
Vector3d camerapos = center - radius*1.8*cameradir;
csgInfo.glview->setCamera(camerapos, center);
OpenCSGRenderer opencsgRenderer(csgInfo.root_chain, csgInfo.highlights_chain, csgInfo.background_chain, csgInfo.glview->shaderinfo);
ThrownTogetherRenderer thrownTogetherRenderer(csgInfo.root_chain, csgInfo.highlights_chain, csgInfo.background_chain);
if (test_type == TEST_THROWNTOGETHER)
csgInfo.glview->setRenderer(&thrownTogetherRenderer);
else
csgInfo.glview->setRenderer(&opencsgRenderer);
csgInfo.glview->paintGL();
csgInfo.glview->save(outfilename);
Builtins::instance(true);
return 0;
}