3D-printing/OrcaSlicer
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PNG conversion and parallel execution working.

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This commit is contained in:
tamasmeszaros 2018-05-18 18:11:29 +02:00
parent d97939c012
commit 0f552832da
17 changed files with 1876 additions and 37 deletions
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58
xs/src/libslic3r/Print.cpp
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@ -11,17 +11,17 @@
#include <boost/filesystem.hpp>
#include <boost/lexical_cast.hpp>
// For png export of the sliced model
#include <fstream>
#include <sstream>
#include <wx/dcmemory.h>
#include <wx/bitmap.h>
#include <wx/image.h>
#include <wx/graphics.h>
//#include <wx/dcmemory.h>
//#include <wx/bitmap.h>
//#include <wx/image.h>
//#include <wx/graphics.h>
#include "Rasterizer/Rasterizer.hpp"
#include <omp.h>
#include "tbb/parallel_for.h"
namespace Slic3r {
@ -1265,6 +1265,7 @@ public:
void finishLayer(unsigned layer);
void finishLayer();
void save(const std::string& path);
void saveLayer(unsigned lyr, const std::string& path);
};
template<>
@ -1306,13 +1307,15 @@ public:
inline void finishLayer(unsigned lyr_id) {
assert(lyr_id < layers_rst_.size());
layers_rst_[lyr_id].first.save(layers_rst_[lyr_id].second);
layers_rst_[lyr_id].first.save(layers_rst_[lyr_id].second,
Raster::Compression::PNG);
layers_rst_[lyr_id].first.reset();
}
inline void finishLayer() {
if(!layers_rst_.empty()) {
layers_rst_.back().first.save(layers_rst_.back().second);
layers_rst_.back().first.save(layers_rst_.back().second,
Raster::Compression::PNG);
layers_rst_.back().first.reset();
}
}
@ -1320,17 +1323,28 @@ public:
inline void save(const std::string& path) {
for(unsigned i = 0; i < layers_rst_.size(); i++) {
if(layers_rst_[i].second.rdbuf()->in_avail() > 0) {
std::string loc = path + "layer" + std::to_string(i) + ".pgm";
std::string loc = path + "layer" + std::to_string(i) + ".png";
std::fstream out(loc, std::fstream::out | std::fstream::binary);
if(out.good()) {
out << layers_rst_[i].second.rdbuf();
}
out.close();
layers_rst_[i].first.reset();
layers_rst_[i].second.str("");
}
}
}
void saveLayer(unsigned lyr, const std::string& path) {
unsigned i = lyr;
assert(i < layers_rst_.size());
std::string loc = path + "layer" + std::to_string(i) + ".png";
std::fstream out(loc, std::fstream::out | std::fstream::binary);
if(out.good()) {
layers_rst_[i].first.save(out, Raster::Compression::PNG);
}
out.close();
layers_rst_[i].first.reset();
}
};
//template<>
@ -1408,17 +1422,15 @@ void Print::print_to(std::string dirpath, Args...args)
return l1->print_z < l2->print_z;
});
ExPolygons previous_layer_slices;
auto print_bb = bounding_box();
FilePrinter<format> printer(std::forward<Args>(args)...);
printer.layers(layers.size());
#pragma omp parallel for /*num_threads(8)*/
for(int layer_id = 0; layer_id < layers.size(); layer_id++) {
auto process_layer = [&layers, &printer, print_bb, dir] (unsigned layer_id) {
Layer& l = *(layers[layer_id]);
auto slices = l.slices;
ExPolygonCollection slices = l.slices;
using Sl = ExPolygons::value_type;
std::sort(slices.expolygons.begin(),
slices.expolygons.end(),
@ -1426,14 +1438,7 @@ void Print::print_to(std::string dirpath, Args...args)
return a.contains(b.contour.first_point()) ? false : true;
});
ExPolygons current_layer_slices;
try {
printer.beginLayer(layer_id);
} catch(std::bad_alloc& ) {
printer.save(dir);
printer.beginLayer(layer_id);
}
printer.beginLayer(layer_id);
std::for_each(l.object()->_shifted_copies.begin(),
l.object()->_shifted_copies.end(),
@ -1447,18 +1452,15 @@ void Print::print_to(std::string dirpath, Args...args)
slice.translate(-print_bb.min.x, -print_bb.min.y);
printer.drawPolygon(slice, layer_id);
current_layer_slices.push_back(slice);
});
});
printer.finishLayer(layer_id);
// printer.saveLayer(layer_id, dir);
std::cout << "processed layer: " << layer_id << " by thread: "
<< omp_get_thread_num() << std::endl;
};
previous_layer_slices = current_layer_slices;
}
tbb::parallel_for<size_t, decltype(process_layer)>(0, layers.size(), process_layer);
printer.save(dir);
}