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#include <Python.h>
#include <QFileDialog>
#include <QMessageBox>
#include "export/export_mesh.h"
#include "dialog/resolution.h"
#include "fab/util/region.h"
#include "fab/tree/triangulate.h"
#include "fab/formats/stl.h"
////////////////////////////////////////////////////////////////////////////////
void ExportMeshWorker::run()
{
// Sanity-check bounds
if (std::isinf(bounds.xmin) || std::isinf(bounds.xmax) ||
std::isinf(bounds.ymin) || std::isinf(bounds.ymax) ||
std::isinf(bounds.zmin) || std::isinf(bounds.zmax))
{
QMessageBox::critical(NULL, "Export error",
"<b>Export error:</b><br>"
"Target shape has invalid (infinite) bounds");
return;
}
// Get resolution, either hardcoded or from the user
if (resolution == -1)
{
auto resolution_dialog = new ResolutionDialog(
bounds, RESOLUTION_DIALOG_3D, UNITLESS);
if (!resolution_dialog->exec())
return;
_resolution = resolution_dialog->getResolution();
_detect_features = resolution_dialog->getDetectFeatures();
delete resolution_dialog;
}
else
{
_resolution = resolution;
_detect_features = detect_features;
}
if (_resolution == 0)
{
QMessageBox::critical(NULL, "Export error",
"<b>Export error:</b><br>"
"Resolution cannot be set to 0");
return;
}
// Get a target filename, either hardcoded or from the user
if (filename.isEmpty())
_filename = QFileDialog::getSaveFileName(
NULL, "Export STL", "", "*.stl");
else
_filename = filename;
if (_filename.isEmpty())
return;
if (checkWritable())
runAsync();
}
////////////////////////////////////////////////////////////////////////////////
void ExportMeshWorker::async()
{
float* verts;
unsigned count;
Region r = (Region){
.imin=0, .jmin=0, .kmin=0,
.ni=uint32_t((bounds.xmax - bounds.xmin) * _resolution),
.nj=uint32_t((bounds.ymax - bounds.ymin) * _resolution),
.nk=uint32_t((bounds.zmax - bounds.zmin) * _resolution),
};
r.voxels = r.ni * r.nj * r.nk;
build_arrays(
&r, bounds.xmin, bounds.ymin, bounds.zmin,
bounds.xmax, bounds.ymax, bounds.zmax);
triangulate(shape.tree.get(), r, _detect_features, &halt, &verts, &count);
save_stl(verts, count, _filename.toStdString().c_str());
free_arrays(&r);
free(verts);
}
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