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openscad
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openscad/mainwin.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 <QMenu>
#include <QTime>
#include <QMenuBar>
#include <QSplitter>
#include <QFileDialog>
#include <QApplication>
#include <QProgressDialog>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLabel>
#include <QFileInfo>
#include <QStatusBar>
//for chdir
#include <unistd.h>
QPointer<MainWindow> current_win;
MainWindow::MainWindow(const char *filename)
{
root_ctx.functions_p = &builtin_functions;
root_ctx.modules_p = &builtin_modules;
root_ctx.set_variable("$fn", Value(0.0));
root_ctx.set_variable("$fs", Value(1.0));
root_ctx.set_variable("$fa", Value(12.0));
root_ctx.set_variable("$t", Value(0.0));
root_module = NULL;
absolute_root_node = NULL;
root_raw_term = NULL;
root_norm_term = NULL;
root_chain = NULL;
#ifdef ENABLE_CGAL
root_N = NULL;
#endif
highlights_chain = NULL;
background_chain = NULL;
root_node = NULL;
enableOpenCSG = false;
tval = 0;
fps = 0;
fsteps = 1;
s1 = new QSplitter(Qt::Horizontal, this);
editor = new QTextEdit(s1);
QWidget *w1 = new QWidget(s1);
QVBoxLayout *l1 = new QVBoxLayout(w1);
l1->setSpacing(0);
l1->setMargin(0);
s2 = new QSplitter(Qt::Vertical, w1);
l1->addWidget(s2);
screen = new GLView(s2);
console = new QTextEdit(s2);
screen->statusLabel = new QLabel(this);
statusBar()->addWidget(screen->statusLabel);
QWidget *w2 = new QWidget(w1);
QHBoxLayout *l2 = new QHBoxLayout(w2);
l1->addWidget(w2);
animate_timer = new QTimer(this);
connect(animate_timer, SIGNAL(timeout()), this, SLOT(updateTVal()));
l2->addWidget(new QLabel("Time:", w2));
l2->addWidget(e_tval = new QLineEdit("0", w2));
connect(e_tval, SIGNAL(textChanged(QString)), this, SLOT(actionCompile()));
l2->addWidget(new QLabel("FPS:", w2));
l2->addWidget(e_fps = new QLineEdit("0", w2));
connect(e_fps, SIGNAL(textChanged(QString)), this, SLOT(updatedFps()));
l2->addWidget(new QLabel("Steps:", w2));
l2->addWidget(e_fsteps = new QLineEdit("100", w2));
animate_panel = w2;
animate_panel->hide();
{
QMenu *menu = menuBar()->addMenu("&File");
menu->addAction("&New", this, SLOT(actionNew()));
menu->addAction("&Open...", this, SLOT(actionOpen()));
menu->addAction("&Save", this, SLOT(actionSave()), QKeySequence(Qt::Key_F2));
menu->addAction("Save &As...", this, SLOT(actionSaveAs()));
menu->addAction("&Reload", this, SLOT(actionReload()), QKeySequence(Qt::Key_F3));
menu->addAction("&Quit", this, SLOT(close()));
}
{
QMenu *menu = menuBar()->addMenu("&Edit");
menu->addAction("&Undo", editor, SLOT(undo()), QKeySequence(Qt::CTRL + Qt::Key_Z));
menu->addAction("&Redo", editor, SLOT(redo()), QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Z));
menu->addSeparator();
menu->addAction("Cu&t", editor, SLOT(cut()), QKeySequence(Qt::CTRL + Qt::Key_X));
menu->addAction("&Copy", editor, SLOT(copy()), QKeySequence(Qt::CTRL + Qt::Key_C));
menu->addAction("&Paste", editor, SLOT(paste()), QKeySequence(Qt::CTRL + Qt::Key_V));
menu->addSeparator();
menu->addAction("&Indent", this, SLOT(editIndent()), QKeySequence(Qt::CTRL + Qt::Key_I));
menu->addAction("&Unindent", this, SLOT(editUnindent()), QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_I));
menu->addSeparator();
menu->addAction("C&omment", this, SLOT(editComment()), QKeySequence(Qt::CTRL + Qt::Key_D));
menu->addAction("&Uncomment", this, SLOT(editUncomment()), QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_D));
menu->addSeparator();
menu->addAction("Paste viewport translation", this, SLOT(pasteViewportTranslation()), QKeySequence(Qt::CTRL + Qt::Key_T));
menu->addAction("Paste viewport rotation", this, SLOT(pasteViewportRotation()), QKeySequence(Qt::CTRL + Qt::Key_R));
menu->addSeparator();
menu->addAction("Zoom In", editor, SLOT(zoomIn()), QKeySequence(Qt::CTRL + Qt::Key_Plus));
menu->addAction("Zoom Out", editor, SLOT(zoomOut()), QKeySequence(Qt::CTRL + Qt::Key_Minus));
}
{
QMenu *menu = menuBar()->addMenu("&Design");
menu->addAction("&Reload and Compile", this, SLOT(actionReloadCompile()), QKeySequence(Qt::Key_F4));
menu->addAction("&Compile", this, SLOT(actionCompile()), QKeySequence(Qt::Key_F5));
#ifdef ENABLE_CGAL
menu->addAction("Compile and &Render (CGAL)", this, SLOT(actionRenderCGAL()), QKeySequence(Qt::Key_F6));
#endif
menu->addAction("Display &AST...", this, SLOT(actionDisplayAST()));
menu->addAction("Display CSG &Tree...", this, SLOT(actionDisplayCSGTree()));
menu->addAction("Display CSG &Products...", this, SLOT(actionDisplayCSGProducts()));
menu->addAction("Export as &STL...", this, SLOT(actionExportSTL()));
menu->addAction("Export as &OFF...", this, SLOT(actionExportOFF()));
}
{
QMenu *menu = menuBar()->addMenu("&View");
#ifdef ENABLE_OPENCSG
actViewModeOpenCSG = menu->addAction("OpenCSG", this, SLOT(viewModeOpenCSG()), QKeySequence(Qt::Key_F9));
actViewModeOpenCSG->setCheckable(true);
#endif
#ifdef ENABLE_CGAL
actViewModeCGALSurface = menu->addAction("CGAL Surfaces", this, SLOT(viewModeCGALSurface()), QKeySequence(Qt::Key_F10));
actViewModeCGALGrid = menu->addAction("CGAL Grid Only", this, SLOT(viewModeCGALGrid()), QKeySequence(Qt::Key_F11));
actViewModeCGALSurface->setCheckable(true);
actViewModeCGALGrid->setCheckable(true);
#endif
actViewModeThrownTogether = menu->addAction("Thrown Together", this, SLOT(viewModeThrownTogether()), QKeySequence(Qt::Key_F12));
actViewModeThrownTogether->setCheckable(true);
menu->addSeparator();
actViewModeShowEdges = menu->addAction("Show Edges", this, SLOT(viewModeShowEdges()), QKeySequence(Qt::CTRL + Qt::Key_1));
actViewModeShowEdges->setCheckable(true);
actViewModeShowAxis = menu->addAction("Show Axis", this, SLOT(viewModeShowAxis()), QKeySequence(Qt::CTRL + Qt::Key_2));
actViewModeShowAxis->setCheckable(true);
actViewModeShowCrosshairs = menu->addAction("Show Crosshairs", this, SLOT(viewModeShowCrosshairs()), QKeySequence(Qt::CTRL + Qt::Key_3));
actViewModeShowCrosshairs->setCheckable(true);
actViewModeAnimate = menu->addAction("Animate", this, SLOT(viewModeAnimate()));
actViewModeAnimate->setCheckable(true);
menu->addSeparator();
menu->addAction("Top", this, SLOT(viewAngleTop()), QKeySequence(Qt::CTRL + Qt::Key_4));
menu->addAction("Bottom", this, SLOT(viewAngleBottom()), QKeySequence(Qt::CTRL + Qt::Key_5));
menu->addAction("Left", this, SLOT(viewAngleLeft()), QKeySequence(Qt::CTRL + Qt::Key_6));
menu->addAction("Right", this, SLOT(viewAngleRight()), QKeySequence(Qt::CTRL + Qt::Key_7));
menu->addAction("Front", this, SLOT(viewAngleFront()), QKeySequence(Qt::CTRL + Qt::Key_8));
menu->addAction("Back", this, SLOT(viewAngleBack()), QKeySequence(Qt::CTRL + Qt::Key_9));
menu->addAction("Diagonal", this, SLOT(viewAngleDiagonal()), QKeySequence(Qt::CTRL + Qt::Key_0));
menu->addSeparator();
actViewPerspective = menu->addAction("Perspective", this, SLOT(viewPerspective()));
actViewPerspective->setCheckable(true);
actViewOrthogonal = menu->addAction("Orthogonal", this, SLOT(viewOrthogonal()));
actViewOrthogonal->setCheckable(true);
}
console->setReadOnly(true);
current_win = this;
PRINT("OpenSCAD (www.openscad.at)");
PRINT("Copyright (C) 2009 Clifford Wolf <clifford@clifford.at>");
PRINT("");
PRINT("This program is free software; you can redistribute it and/or modify");
PRINT("it under the terms of the GNU General Public License as published by");
PRINT("the Free Software Foundation; either version 2 of the License, or");
PRINT("(at your option) any later version.");
PRINT("");
editor->setTabStopWidth(30);
if (filename) {
this->filename = QString(filename);
maybe_change_dir();
setWindowTitle(this->filename);
load();
} else {
setWindowTitle("New Document");
}
#ifdef ENABLE_OPENCSG
viewModeOpenCSG();
#else
viewModeThrownTogether();
#endif
viewPerspective();
setCentralWidget(s1);
current_win = NULL;
}
MainWindow::~MainWindow()
{
if (root_module)
delete root_module;
if (root_node)
delete root_node;
#ifdef ENABLE_CGAL
if (root_N)
delete root_N;
#endif
}
void MainWindow::updatedFps()
{
bool fps_ok;
double fps = e_fps->text().toDouble(&fps_ok);
if (!fps_ok || fps <= 0) {
animate_timer->stop();
} else {
animate_timer->setInterval(int(1000 / e_fps->text().toDouble()));
animate_timer->start();
}
}
void MainWindow::updateTVal()
{
double s = e_fsteps->text().toDouble();
double t = e_tval->text().toDouble() + 1/s;
QString txt;
txt.sprintf("%.5f", t >= 1.0 ? 0.0 : t);
e_tval->setText(txt);
}
void MainWindow::load()
{
if (!filename.isEmpty())
{
QString text;
FILE *fp = fopen(filename.toAscii().data(), "rt");
if (!fp) {
PRINTA("Failed to open file: %1 (%2)", filename, QString(strerror(errno)));
} else {
char buffer[513];
int rc;
while ((rc = fread(buffer, 1, 512, fp)) > 0) {
buffer[rc] = 0;
text += buffer;
}
fclose(fp);
PRINTA("Loaded design `%1'.", filename);
}
editor->setPlainText(text);
}
}
void MainWindow::maybe_change_dir()
{
if (filename.isEmpty())
return;
QFileInfo fileInfo(filename);
QDir::setCurrent(fileInfo.dir().absolutePath());
filename = fileInfo.fileName();
}
void MainWindow::find_root_tag(AbstractNode *n)
{
foreach(AbstractNode *v, n->children) {
if (v->modinst->tag_root)
root_node = v;
if (root_node)
return;
find_root_tag(v);
}
}
void MainWindow::compile(bool procevents)
{
PRINT("Parsing design (AST generation)...");
if (procevents)
QApplication::processEvents();
if (root_module) {
delete root_module;
root_module = NULL;
}
if (absolute_root_node) {
delete absolute_root_node;
absolute_root_node = NULL;
}
if (root_raw_term) {
root_raw_term->unlink();
root_raw_term = NULL;
}
if (root_norm_term) {
root_norm_term->unlink();
root_norm_term = NULL;
}
if (root_chain) {
delete root_chain;
root_chain = NULL;
}
foreach(CSGTerm *v, highlight_terms) {
v->unlink();
}
highlight_terms.clear();
if (highlights_chain) {
delete highlights_chain;
highlights_chain = NULL;
}
foreach(CSGTerm *v, background_terms) {
v->unlink();
}
background_terms.clear();
if (background_chain) {
delete background_chain;
background_chain = NULL;
}
root_node = NULL;
enableOpenCSG = false;
root_ctx.set_variable("$t", Value(e_tval->text().toDouble()));
root_module = parse(editor->toPlainText().toAscii().data(), false);
if (!root_module)
goto fail;
PRINT("Compiling design (CSG Tree generation)...");
if (procevents)
QApplication::processEvents();
AbstractNode::idx_counter = 1;
{
ModuleInstanciation root_inst;
absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
}
if (!absolute_root_node)
goto fail;
find_root_tag(absolute_root_node);
if (!root_node)
root_node = absolute_root_node;
root_node->dump("");
PRINT("Compiling design (CSG Products generation)...");
if (procevents)
QApplication::processEvents();
double m[16];
for (int i = 0; i < 16; i++)
m[i] = i % 5 == 0 ? 1.0 : 0.0;
root_raw_term = root_node->render_csg_term(m, &highlight_terms, &background_terms);
if (!root_raw_term)
goto fail;
PRINT("Compiling design (CSG Products normalization)...");
if (procevents)
QApplication::processEvents();
root_norm_term = root_raw_term->link();
while (1) {
CSGTerm *n = root_norm_term->normalize();
root_norm_term->unlink();
if (root_norm_term == n)
break;
root_norm_term = n;
}
if (!root_norm_term)
goto fail;
root_chain = new CSGChain();
root_chain->import(root_norm_term);
if (root_chain->polysets.size() > 1000) {
PRINTF("WARNING: Normalized tree has %d elements!", root_chain->polysets.size());
PRINTF("WARNING: OpenCSG rendering has been disabled.");
} else {
enableOpenCSG = true;
}
if (highlight_terms.size() > 0)
{
PRINTF("Compiling highlights (%d CSG Trees)...", highlight_terms.size());
if (procevents)
QApplication::processEvents();
highlights_chain = new CSGChain();
for (int i = 0; i < highlight_terms.size(); i++) {
while (1) {
CSGTerm *n = highlight_terms[i]->normalize();
highlight_terms[i]->unlink();
if (highlight_terms[i] == n)
break;
highlight_terms[i] = n;
}
highlights_chain->import(highlight_terms[i]);
}
}
if (background_terms.size() > 0)
{
PRINTF("Compiling background (%d CSG Trees)...", background_terms.size());
if (procevents)
QApplication::processEvents();
background_chain = new CSGChain();
for (int i = 0; i < background_terms.size(); i++) {
while (1) {
CSGTerm *n = background_terms[i]->normalize();
background_terms[i]->unlink();
if (background_terms[i] == n)
break;
background_terms[i] = n;
}
background_chain->import(background_terms[i]);
}
}
if (1) {
PRINT("Compilation finished.");
if (procevents)
QApplication::processEvents();
} else {
fail:
PRINT("ERROR: Compilation failed!");
if (procevents)
QApplication::processEvents();
}
}
void MainWindow::actionNew()
{
filename = QString();
setWindowTitle("New Document");
editor->setPlainText("");
}
void MainWindow::actionOpen()
{
current_win = this;
QString new_filename = QFileDialog::getOpenFileName(this, "Open File", "", "OpenSCAD Designs (*.scad)");
if (!new_filename.isEmpty())
{
filename = new_filename;
maybe_change_dir();
setWindowTitle(filename);
QString text;
FILE *fp = fopen(filename.toAscii().data(), "rt");
if (!fp) {
PRINTA("Failed to open file: %1 (%2)", QString(filename), QString(strerror(errno)));
} else {
char buffer[513];
int rc;
while ((rc = fread(buffer, 1, 512, fp)) > 0) {
buffer[rc] = 0;
text += buffer;
}
fclose(fp);
PRINTA("Loaded design `%1'.", QString(filename));
}
editor->setPlainText(text);
}
current_win = NULL;
}
void MainWindow::actionSave()
{
current_win = this;
FILE *fp = fopen(filename.toAscii().data(), "wt");
if (!fp) {
PRINTA("Failed to open file for writing: %1 (%2)", QString(filename), QString(strerror(errno)));
} else {
fprintf(fp, "%s", editor->toPlainText().toAscii().data());
fclose(fp);
PRINTA("Saved design `%1'.", QString(filename));
}
current_win = NULL;
}
void MainWindow::actionSaveAs()
{
QString new_filename = QFileDialog::getSaveFileName(this, "Save File", filename, "OpenSCAD Designs (*.scad)");
if (!new_filename.isEmpty()) {
filename = new_filename;
maybe_change_dir();
setWindowTitle(filename);
actionSave();
}
}
void MainWindow::actionReload()
{
current_win = this;
load();
current_win = NULL;
}
void MainWindow::editIndent()
{
QTextCursor cursor = editor->textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("\t"));
if (txt.endsWith(QString(QChar(8233)) + QString("\t")))
txt.chop(1);
txt = QString("\t") + txt;
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
editor->setTextCursor(cursor);
}
void MainWindow::editUnindent()
{
QTextCursor cursor = editor->textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)) + QString("\t"), QString(QChar(8233)));
if (txt.startsWith(QString("\t")))
txt.remove(0, 1);
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
editor->setTextCursor(cursor);
}
void MainWindow::editComment()
{
QTextCursor cursor = editor->textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("//"));
if (txt.endsWith(QString(QChar(8233)) + QString("//")))
txt.chop(2);
txt = QString("//") + txt;
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
editor->setTextCursor(cursor);
}
void MainWindow::editUncomment()
{
QTextCursor cursor = editor->textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)) + QString("//"), QString(QChar(8233)));
if (txt.startsWith(QString("//")))
txt.remove(0, 2);
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
editor->setTextCursor(cursor);
}
void MainWindow::pasteViewportTranslation()
{
QTextCursor cursor = editor->textCursor();
QString txt;
txt.sprintf("[ %.2f %.2f %.2f ]", -screen->object_trans_x, -screen->object_trans_y, -screen->object_trans_z);
cursor.insertText(txt);
}
void MainWindow::pasteViewportRotation()
{
QTextCursor cursor = editor->textCursor();
QString txt;
txt.sprintf("[ %.2f %.2f %.2f ]",
fmodf(360 - screen->object_rot_x + 90, 360), fmodf(360 - screen->object_rot_y, 360), fmodf(360 - screen->object_rot_z, 360));
cursor.insertText(txt);
}
void MainWindow::actionReloadCompile()
{
current_win = this;
console->clear();
load();
compile(true);
#ifdef ENABLE_OPENCSG
if (!actViewModeOpenCSG->isChecked() && !actViewModeThrownTogether->isChecked()) {
viewModeOpenCSG();
}
else
#endif
{
screen->updateGL();
}
current_win = NULL;
}
void MainWindow::actionCompile()
{
current_win = this;
console->clear();
compile(!actViewModeAnimate->isChecked());
#ifdef ENABLE_OPENCSG
if (!actViewModeOpenCSG->isChecked() && !actViewModeThrownTogether->isChecked()) {
viewModeOpenCSG();
}
else
#endif
{
screen->updateGL();
}
current_win = NULL;
}
#ifdef ENABLE_CGAL
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();
}
void MainWindow::actionRenderCGAL()
{
current_win = this;
console->clear();
compile(true);
if (!root_module || !root_node)
return;
if (root_N) {
delete root_N;
root_N = NULL;
}
PRINT("Rendering Polygon Mesh using CGAL...");
QApplication::processEvents();
QTime t;
t.start();
QProgressDialog *pd = new QProgressDialog("Rendering Polygon Mesh using CGAL...", QString(), 0, 100);
pd->setValue(0);
pd->setAutoClose(false);
pd->show();
QApplication::processEvents();
progress_report_prep(root_node, report_func, pd);
root_N = new CGAL_Nef_polyhedron(root_node->render_cgal_nef_polyhedron());
progress_report_fin();
PRINTF("Number of vertices currently in CGAL cache: %d", AbstractNode::cgal_nef_cache.totalCost());
PRINTF("Number of objects currently in CGAL cache: %d", AbstractNode::cgal_nef_cache.size());
QApplication::processEvents();
PRINTF(" Simple: %6s", root_N->is_simple() ? "yes" : "no");
QApplication::processEvents();
PRINTF(" Valid: %6s", root_N->is_valid() ? "yes" : "no");
QApplication::processEvents();
PRINTF(" Vertices: %6d", (int)root_N->number_of_vertices());
QApplication::processEvents();
PRINTF(" Halfedges: %6d", (int)root_N->number_of_halfedges());
QApplication::processEvents();
PRINTF(" Edges: %6d", (int)root_N->number_of_edges());
QApplication::processEvents();
PRINTF(" Halffacets: %6d", (int)root_N->number_of_halffacets());
QApplication::processEvents();
PRINTF(" Facets: %6d", (int)root_N->number_of_facets());
QApplication::processEvents();
PRINTF(" Volumes: %6d", (int)root_N->number_of_volumes());
QApplication::processEvents();
int s = t.elapsed() / 1000;
PRINTF("Total rendering time: %d hours, %d minutes, %d seconds", s / (60*60), (s / 60) % 60, s % 60);
if (!actViewModeCGALSurface->isChecked() && !actViewModeCGALGrid->isChecked()) {
viewModeCGALSurface();
} else {
screen->updateGL();
}
PRINT("Rendering finished.");
delete pd;
current_win = NULL;
}
#endif /* ENABLE_CGAL */
void MainWindow::actionDisplayAST()
{
current_win = this;
QTextEdit *e = new QTextEdit(NULL);
e->setTabStopWidth(30);
e->setWindowTitle("AST Dump");
if (root_module) {
e->setPlainText(root_module->dump("", ""));
} else {
e->setPlainText("No AST to dump. Please try compiling first...");
}
e->show();
e->resize(600, 400);
current_win = NULL;
}
void MainWindow::actionDisplayCSGTree()
{
current_win = this;
QTextEdit *e = new QTextEdit(NULL);
e->setTabStopWidth(30);
e->setWindowTitle("CSG Tree Dump");
if (root_node) {
e->setPlainText(root_node->dump(""));
} else {
e->setPlainText("No CSG to dump. Please try compiling first...");
}
e->show();
e->resize(600, 400);
current_win = NULL;
}
void MainWindow::actionDisplayCSGProducts()
{
current_win = this;
QTextEdit *e = new QTextEdit(NULL);
e->setTabStopWidth(30);
e->setWindowTitle("CSG Products Dump");
e->setPlainText(QString("\nCSG before normalization:\n%1\n\n\nCSG after normalization:\n%2\n\n\nCSG rendering chain:\n%3\n\n\nHighlights CSG rendering chain:\n%4\n\n\nBackground CSG rendering chain:\n%5\n").arg(root_raw_term ? root_raw_term->dump() : "N/A", root_norm_term ? root_norm_term->dump() : "N/A", root_chain ? root_chain->dump() : "N/A", highlights_chain ? highlights_chain->dump() : "N/A", background_chain ? background_chain->dump() : "N/A"));
e->show();
e->resize(600, 400);
current_win = NULL;
}
void MainWindow::actionExportSTL()
{
current_win = this;
#ifdef ENABLE_CGAL
if (!root_N) {
PRINT("Nothing to export! Try building first (press F6).");
current_win = NULL;
return;
}
if (!root_N->is_simple()) {
PRINT("Object isn't a single polyeder or otherwise invalid! Modify your design..");
current_win = NULL;
return;
}
QString stl_filename = QFileDialog::getSaveFileName(this, "Export STL File", "", "STL Files (*.stl)");
if (stl_filename.isEmpty()) {
PRINT("No filename specified. STL export aborted.");
current_win = NULL;
return;
}
CGAL_Polyhedron P;
root_N->convert_to_Polyhedron(P);
typedef CGAL_Polyhedron::Vertex Vertex;
typedef CGAL_Polyhedron::Vertex_const_iterator VCI;
typedef CGAL_Polyhedron::Facet_const_iterator FCI;
typedef CGAL_Polyhedron::Halfedge_around_facet_const_circulator HFCC;
FILE *f = fopen(stl_filename.toAscii().data(), "w");
if (!f) {
PRINT("Can't open STL file for STL export.");
current_win = NULL;
return;
}
fprintf(f, "solid\n");
QProgressDialog *pd = new QProgressDialog("Exporting object to STL file...",
QString(), 0, root_N->number_of_facets() + 1);
pd->setValue(0);
pd->setAutoClose(false);
pd->show();
QApplication::processEvents();
int facet_count = 0;
for (FCI fi = P.facets_begin(); fi != P.facets_end(); ++fi) {
HFCC hc = fi->facet_begin();
HFCC hc_end = hc;
Vertex v1, v2, v3;
v1 = *VCI((hc++)->vertex());
v3 = *VCI((hc++)->vertex());
do {
v2 = v3;
v3 = *VCI((hc++)->vertex());
double x1 = CGAL::to_double(v1.point().x());
double y1 = CGAL::to_double(v1.point().y());
double z1 = CGAL::to_double(v1.point().z());
double x2 = CGAL::to_double(v2.point().x());
double y2 = CGAL::to_double(v2.point().y());
double z2 = CGAL::to_double(v2.point().z());
double x3 = CGAL::to_double(v3.point().x());
double y3 = CGAL::to_double(v3.point().y());
double z3 = CGAL::to_double(v3.point().z());
QString vs1, vs2, vs3;
vs1.sprintf("%f %f %f", x1, y1, z1);
vs2.sprintf("%f %f %f", x2, y2, z2);
vs3.sprintf("%f %f %f", x3, y3, z3);
if (vs1 != vs2 && vs1 != vs3 && vs2 != vs3) {
double nx = (y1-y2)*(z1-z3) - (z1-z2)*(y1-y3);
double ny = (z1-z2)*(x1-x3) - (x1-x2)*(z1-z3);
double nz = (x1-x2)*(y1-y3) - (y1-y2)*(x1-x3);
double n_scale = 1 / sqrt(nx*nx + ny*ny + nz*nz);
fprintf(f, " facet normal %f %f %f\n",
nx * n_scale, ny * n_scale, nz * n_scale);
fprintf(f, " outer loop\n");
fprintf(f, " vertex %s\n", vs1.toAscii().data());
fprintf(f, " vertex %s\n", vs2.toAscii().data());
fprintf(f, " vertex %s\n", vs3.toAscii().data());
fprintf(f, " endloop\n");
fprintf(f, " endfacet\n");
}
} while (hc != hc_end);
pd->setValue(facet_count++);
QApplication::processEvents();
}
fprintf(f, "endsolid\n");
fclose(f);
PRINT("STL export finished.");
delete pd;
#endif /* ENABLE_CGAL */
current_win = NULL;
}
void MainWindow::actionExportOFF()
{
current_win = this;
PRINTA("Function %1 is not implemented yet!", QString(__PRETTY_FUNCTION__));
current_win = NULL;
}
void MainWindow::viewModeActionsUncheck()
{
#ifdef ENABLE_OPENCSG
actViewModeOpenCSG->setChecked(false);
#endif
#ifdef ENABLE_CGAL
actViewModeCGALSurface->setChecked(false);
actViewModeCGALGrid->setChecked(false);
#endif
actViewModeThrownTogether->setChecked(false);
}
#ifdef ENABLE_OPENCSG
class OpenCSGPrim : public OpenCSG::Primitive
{
public:
OpenCSGPrim(OpenCSG::Operation operation, unsigned int convexity) :
OpenCSG::Primitive(operation, convexity) { }
PolySet *p;
double *m;
virtual void render() {
glPushMatrix();
glMultMatrixd(m);
p->render_surface(PolySet::COLORMODE_NONE);
glPopMatrix();
}
};
static void renderCSGChainviaOpenCSG(CSGChain *chain, GLint *shaderinfo, bool highlight, bool background)
{
std::vector<OpenCSG::Primitive*> primitives;
int j = 0;
for (int i = 0;; i++)
{
bool last = i == chain->polysets.size();
if (last || chain->types[i] == CSGTerm::TYPE_UNION)
{
OpenCSG::render(primitives);
glDepthFunc(GL_EQUAL);
if (shaderinfo)
glUseProgram(shaderinfo[0]);
for (; j < i; j++) {
glPushMatrix();
glMultMatrixd(chain->matrices[j]);
if (highlight) {
chain->polysets[j]->render_surface(PolySet::COLORMODE_HIGHLIGHT, shaderinfo);
} else if (background) {
chain->polysets[j]->render_surface(PolySet::COLORMODE_BACKGROUND, shaderinfo);
} else if (chain->types[j] == CSGTerm::TYPE_DIFFERENCE) {
chain->polysets[j]->render_surface(PolySet::COLORMODE_CUTOUT, shaderinfo);
} else {
chain->polysets[j]->render_surface(PolySet::COLORMODE_MATERIAL, shaderinfo);
}
glPopMatrix();
}
if (shaderinfo)
glUseProgram(0);
for (unsigned int k = 0; k < primitives.size(); k++) {
delete primitives[k];
}
glDepthFunc(GL_LEQUAL);
primitives.clear();
}
if (last)
break;
OpenCSGPrim *prim = new OpenCSGPrim(chain->types[i] == CSGTerm::TYPE_DIFFERENCE ?
OpenCSG::Subtraction : OpenCSG::Intersection, chain->polysets[i]->convexity);
prim->p = chain->polysets[i];
prim->m = chain->matrices[i];
primitives.push_back(prim);
}
}
static void renderGLThrownTogether(void *vp);
static void renderGLviaOpenCSG(void *vp)
{
MainWindow *m = (MainWindow*)vp;
if (!m->enableOpenCSG) {
renderGLThrownTogether(vp);
return;
}
static int glew_initialized = 0;
if (!glew_initialized) {
glew_initialized = 1;
glewInit();
}
if (m->root_chain) {
GLint *shaderinfo = m->screen->shaderinfo;
if (!shaderinfo[0])
shaderinfo = NULL;
renderCSGChainviaOpenCSG(m->root_chain, m->actViewModeShowEdges->isChecked() ? shaderinfo : NULL, false, false);
if (m->background_chain) {
renderCSGChainviaOpenCSG(m->background_chain, m->actViewModeShowEdges->isChecked() ? shaderinfo : NULL, false, true);
}
if (m->highlights_chain) {
renderCSGChainviaOpenCSG(m->highlights_chain, m->actViewModeShowEdges->isChecked() ? shaderinfo : NULL, true, false);
}
}
}
void MainWindow::viewModeOpenCSG()
{
viewModeActionsUncheck();
actViewModeOpenCSG->setChecked(true);
screen->renderfunc = renderGLviaOpenCSG;
screen->renderfunc_vp = this;
screen->updateGL();
}
#endif /* ENABLE_OPENCSG */
#ifdef ENABLE_CGAL
// a little hackish: we need access to default-private members of
// CGAL::OGL::Nef3_Converter so we can implement our own draw function
// that does not scale the model. so we define 'class' to 'struct'
// for this header..
//
// theoretically there could be two problems:
// 1.) defining language keyword with the pre processor is illegal afair
// 2.) the compiler could use a different memory layout or name mangling for structs
//
// both does not seam to be the case with todays compilers...
//
#define class struct
#include <CGAL/Nef_3/OGL_helper.h>
#undef class
static void renderGLviaCGAL(void *vp)
{
MainWindow *m = (MainWindow*)vp;
if (m->root_N) {
CGAL::OGL::Polyhedron P;
CGAL::OGL::Nef3_Converter<CGAL_Nef_polyhedron>::convert_to_OGLPolyhedron(*m->root_N, &P);
P.init();
if (m->actViewModeCGALSurface->isChecked())
P.set_style(CGAL::OGL::SNC_BOUNDARY);
if (m->actViewModeCGALGrid->isChecked())
P.set_style(CGAL::OGL::SNC_SKELETON);
#if 0
P.draw();
#else
if (P.style == CGAL::OGL::SNC_BOUNDARY) {
glCallList(P.object_list_+2);
if (m->actViewModeShowEdges->isChecked()) {
glDisable(GL_LIGHTING);
glCallList(P.object_list_+1);
glCallList(P.object_list_);
}
} else {
glDisable(GL_LIGHTING);
glCallList(P.object_list_+1);
glCallList(P.object_list_);
}
#endif
}
}
void MainWindow::viewModeCGALSurface()
{
viewModeActionsUncheck();
actViewModeCGALSurface->setChecked(true);
screen->renderfunc = renderGLviaCGAL;
screen->renderfunc_vp = this;
screen->updateGL();
}
void MainWindow::viewModeCGALGrid()
{
viewModeActionsUncheck();
actViewModeCGALGrid->setChecked(true);
screen->renderfunc = renderGLviaCGAL;
screen->renderfunc_vp = this;
screen->updateGL();
}
#endif /* ENABLE_CGAL */
static void renderGLThrownTogetherChain(MainWindow *m, CSGChain *chain, bool highlight, bool background, bool fberror)
{
glDepthFunc(GL_LEQUAL);
QHash<QPair<PolySet*,double*>,int> polySetVisitMark;
bool showEdges = m->actViewModeShowEdges->isChecked();
for (int i = 0; i < chain->polysets.size(); i++) {
if (polySetVisitMark[QPair<PolySet*,double*>(chain->polysets[i], chain->matrices[i])]++ > 0)
continue;
glPushMatrix();
glMultMatrixd(chain->matrices[i]);
if (highlight) {
chain->polysets[i]->render_surface(PolySet::COLORMODE_HIGHLIGHT);
if (showEdges) {
glDisable(GL_LIGHTING);
chain->polysets[i]->render_edges(PolySet::COLORMODE_HIGHLIGHT);
glEnable(GL_LIGHTING);
}
} else if (background) {
chain->polysets[i]->render_surface(PolySet::COLORMODE_BACKGROUND);
if (showEdges) {
glDisable(GL_LIGHTING);
chain->polysets[i]->render_edges(PolySet::COLORMODE_BACKGROUND);
glEnable(GL_LIGHTING);
}
} else if (fberror) {
chain->polysets[i]->render_surface(PolySet::COLORMODE_NONE);
} else if (chain->types[i] == CSGTerm::TYPE_DIFFERENCE) {
chain->polysets[i]->render_surface(PolySet::COLORMODE_CUTOUT);
if (showEdges) {
glDisable(GL_LIGHTING);
chain->polysets[i]->render_edges(PolySet::COLORMODE_CUTOUT);
glEnable(GL_LIGHTING);
}
} else {
chain->polysets[i]->render_surface(PolySet::COLORMODE_MATERIAL);
if (showEdges) {
glDisable(GL_LIGHTING);
chain->polysets[i]->render_edges(PolySet::COLORMODE_MATERIAL);
glEnable(GL_LIGHTING);
}
}
glPopMatrix();
}
}
static void renderGLThrownTogether(void *vp)
{
MainWindow *m = (MainWindow*)vp;
if (m->root_chain) {
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
renderGLThrownTogetherChain(m, m->root_chain, false, false, false);
glCullFace(GL_FRONT);
glColor3ub(255, 0, 255);
renderGLThrownTogetherChain(m, m->root_chain, false, false, true);
glDisable(GL_CULL_FACE);
}
if (m->background_chain)
renderGLThrownTogetherChain(m, m->background_chain, false, true, false);
if (m->highlights_chain)
renderGLThrownTogetherChain(m, m->highlights_chain, true, false, false);
}
void MainWindow::viewModeThrownTogether()
{
viewModeActionsUncheck();
actViewModeThrownTogether->setChecked(true);
screen->renderfunc = renderGLThrownTogether;
screen->renderfunc_vp = this;
screen->updateGL();
}
void MainWindow::viewModeShowEdges()
{
screen->updateGL();
}
void MainWindow::viewModeShowAxis()
{
screen->showaxis = actViewModeShowAxis->isChecked();
screen->updateGL();
}
void MainWindow::viewModeShowCrosshairs()
{
screen->showcrosshairs = actViewModeShowCrosshairs->isChecked();
screen->updateGL();
}
void MainWindow::viewModeAnimate()
{
if (actViewModeAnimate->isChecked()) {
animate_panel->show();
updatedFps();
} else {
animate_panel->hide();
animate_timer->stop();
}
}
void MainWindow::viewAngleTop()
{
screen->object_rot_x = 90;
screen->object_rot_y = 0;
screen->object_rot_z = 0;
screen->object_trans_x = 0;
screen->object_trans_y = 0;
screen->object_trans_z = 0;
screen->updateGL();
}
void MainWindow::viewAngleBottom()
{
screen->object_rot_x = 270;
screen->object_rot_y = 0;
screen->object_rot_z = 0;
screen->object_trans_x = 0;
screen->object_trans_y = 0;
screen->object_trans_z = 0;
screen->updateGL();
}
void MainWindow::viewAngleLeft()
{
screen->object_rot_x = 0;
screen->object_rot_y = 0;
screen->object_rot_z = 90;
screen->object_trans_x = 0;
screen->object_trans_y = 0;
screen->object_trans_z = 0;
screen->updateGL();
}
void MainWindow::viewAngleRight()
{
screen->object_rot_x = 0;
screen->object_rot_y = 0;
screen->object_rot_z = 270;
screen->object_trans_x = 0;
screen->object_trans_y = 0;
screen->object_trans_z = 0;
screen->updateGL();
}
void MainWindow::viewAngleFront()
{
screen->object_rot_x = 0;
screen->object_rot_y = 0;
screen->object_rot_z = 0;
screen->object_trans_x = 0;
screen->object_trans_y = 0;
screen->object_trans_z = 0;
screen->updateGL();
}
void MainWindow::viewAngleBack()
{
screen->object_rot_x = 0;
screen->object_rot_y = 0;
screen->object_rot_z = 180;
screen->object_trans_x = 0;
screen->object_trans_y = 0;
screen->object_trans_z = 0;
screen->updateGL();
}
void MainWindow::viewAngleDiagonal()
{
screen->object_rot_x = 35;
screen->object_rot_y = 0;
screen->object_rot_z = 25;
screen->object_trans_x = 0;
screen->object_trans_y = 0;
screen->object_trans_z = 0;
screen->updateGL();
}
void MainWindow::viewPerspective()
{
actViewPerspective->setChecked(true);
actViewOrthogonal->setChecked(false);
screen->orthomode = false;
screen->updateGL();
}
void MainWindow::viewOrthogonal()
{
actViewPerspective->setChecked(false);
actViewOrthogonal->setChecked(true);
screen->orthomode = true;
screen->updateGL();
}
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