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Merge remote-tracking branch 'remotes/origin/3mf_io'

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bubnikv 2018-02-15 17:02:47 +01:00
commit b695089bc4
28 changed files with 10717 additions and 108 deletions
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1396
xs/src/libslic3r/Format/3mf.cpp Normal file
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19
xs/src/libslic3r/Format/3mf.hpp Normal file
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@ -0,0 +1,19 @@
#ifndef slic3r_Format_3mf_hpp_
#define slic3r_Format_3mf_hpp_
namespace Slic3r {
class Model;
class Print;
class PresetBundle;
// Load the content of a 3mf file into the given model and preset bundle.
extern bool load_3mf(const char* path, PresetBundle* bundle, Model* model);
// Save the given model and the config data contained in the given Print into a 3mf file.
// The model could be modified during the export process if meshes are not repaired or have no shared vertices
extern bool store_3mf(const char* path, Model* model, Print* print);
}; // namespace Slic3r
#endif /* slic3r_Format_3mf_hpp_ */

265
xs/src/libslic3r/Format/AMF.cpp
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@ -7,8 +7,14 @@
#include "../libslic3r.h"
#include "../Model.hpp"
#include "../GCode.hpp"
#include "../slic3r/GUI/PresetBundle.hpp"
#include "AMF.hpp"
#include <boost/filesystem/operations.hpp>
#include <boost/algorithm/string.hpp>
#include <miniz/miniz_zip.h>
#if 0
// Enable debugging and assert in this file.
#define DEBUG
@ -18,18 +24,22 @@
#include <assert.h>
const char* SLIC3R_CONFIG_TYPE = "slic3rpe_config";
namespace Slic3r
{
struct AMFParserContext
{
AMFParserContext(XML_Parser parser, Model *model) :
AMFParserContext(XML_Parser parser, const std::string& archive_filename, PresetBundle* preset_bundle, Model *model) :
m_parser(parser),
m_model(*model),
m_object(nullptr),
m_volume(nullptr),
m_material(nullptr),
m_instance(nullptr)
m_instance(nullptr),
m_preset_bundle(preset_bundle),
m_archive_filename(archive_filename)
{
m_path.reserve(12);
}
@ -149,6 +159,10 @@ struct AMFParserContext
Instance *m_instance;
// Generic string buffer for vertices, face indices, metadata etc.
std::string m_value[3];
// Pointer to preset bundle to update if config data are stored inside the amf file
PresetBundle* m_preset_bundle;
// Fullpath name of the amf file
std::string m_archive_filename;
private:
AMFParserContext& operator=(AMFParserContext&);
@ -403,7 +417,10 @@ void AMFParserContext::endElement(const char * /* name */)
break;
case NODE_TYPE_METADATA:
if (strncmp(m_value[0].c_str(), "slic3r.", 7) == 0) {
if ((m_preset_bundle != nullptr) && strncmp(m_value[0].c_str(), SLIC3R_CONFIG_TYPE, strlen(SLIC3R_CONFIG_TYPE)) == 0) {
m_preset_bundle->load_config_string(m_value[1].c_str(), m_archive_filename.c_str());
}
else if (strncmp(m_value[0].c_str(), "slic3r.", 7) == 0) {
const char *opt_key = m_value[0].c_str() + 7;
if (print_config_def.options.find(opt_key) != print_config_def.options.end()) {
DynamicPrintConfig *config = nullptr;
@ -474,10 +491,13 @@ void AMFParserContext::endDocument()
}
// Load an AMF file into a provided model.
bool load_amf(const char *path, Model *model)
bool load_amf_file(const char *path, PresetBundle* bundle, Model *model)
{
if ((path == nullptr) || (model == nullptr))
return false;
XML_Parser parser = XML_ParserCreate(nullptr); // encoding
if (! parser) {
if (!parser) {
printf("Couldn't allocate memory for parser\n");
return false;
}
@ -488,7 +508,7 @@ bool load_amf(const char *path, Model *model)
return false;
}
AMFParserContext ctx(parser, model);
AMFParserContext ctx(parser, path, bundle, model);
XML_SetUserData(parser, (void*)&ctx);
XML_SetElementHandler(parser, AMFParserContext::startElement, AMFParserContext::endElement);
XML_SetCharacterDataHandler(parser, AMFParserContext::characters);
@ -519,49 +539,163 @@ bool load_amf(const char *path, Model *model)
if (result)
ctx.endDocument();
return result;
}
bool store_amf(const char *path, Model *model)
// Load an AMF archive into a provided model.
bool load_amf_archive(const char *path, PresetBundle* bundle, Model *model)
{
FILE *file = boost::nowide::fopen(path, "wb");
if (file == nullptr)
if ((path == nullptr) || (model == nullptr))
return false;
fprintf(file, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
fprintf(file, "<amf unit=\"millimeter\">\n");
fprintf(file, "<metadata type=\"cad\">Slic3r %s</metadata>\n", SLIC3R_VERSION);
mz_zip_archive archive;
mz_zip_zero_struct(&archive);
mz_bool res = mz_zip_reader_init_file(&archive, path, 0);
if (res == 0)
{
printf("Unable to init zip reader\n");
return false;
}
mz_uint num_entries = mz_zip_reader_get_num_files(&archive);
if (num_entries != 1)
{
printf("Found invalid number of entries\n");
mz_zip_reader_end(&archive);
return false;
}
mz_zip_archive_file_stat stat;
res = mz_zip_reader_file_stat(&archive, 0, &stat);
if (res == 0)
{
printf("Unable to extract entry statistics\n");
mz_zip_reader_end(&archive);
return false;
}
std::string internal_amf_filename = boost::ireplace_last_copy(boost::filesystem::path(path).filename().string(), ".zip.amf", ".amf");
if (internal_amf_filename != stat.m_filename)
{
printf("Found invalid internal filename\n");
mz_zip_reader_end(&archive);
return false;
}
if (stat.m_uncomp_size == 0)
{
printf("Found invalid size\n");
mz_zip_reader_end(&archive);
return false;
}
XML_Parser parser = XML_ParserCreate(nullptr); // encoding
if (!parser) {
printf("Couldn't allocate memory for parser\n");
mz_zip_reader_end(&archive);
return false;
}
AMFParserContext ctx(parser, path, bundle, model);
XML_SetUserData(parser, (void*)&ctx);
XML_SetElementHandler(parser, AMFParserContext::startElement, AMFParserContext::endElement);
XML_SetCharacterDataHandler(parser, AMFParserContext::characters);
void* parser_buffer = XML_GetBuffer(parser, (int)stat.m_uncomp_size);
if (parser_buffer == nullptr)
{
printf("Unable to create buffer\n");
mz_zip_reader_end(&archive);
return false;
}
res = mz_zip_reader_extract_file_to_mem(&archive, stat.m_filename, parser_buffer, (size_t)stat.m_uncomp_size, 0);
if (res == 0)
{
printf("Error while reading model data to buffer\n");
mz_zip_reader_end(&archive);
return false;
}
if (!XML_ParseBuffer(parser, (int)stat.m_uncomp_size, 1))
{
printf("Error (%s) while parsing xml file at line %d\n", XML_ErrorString(XML_GetErrorCode(parser)), XML_GetCurrentLineNumber(parser));
mz_zip_reader_end(&archive);
return false;
}
ctx.endDocument();
mz_zip_reader_end(&archive);
return true;
}
// Load an AMF file into a provided model.
// If bundle is not a null pointer, updates it if the amf file/archive contains config data
bool load_amf(const char *path, PresetBundle* bundle, Model *model)
{
if (boost::iends_with(path, ".zip.amf"))
return load_amf_archive(path, bundle, model);
else if (boost::iends_with(path, ".amf") || boost::iends_with(path, ".amf.xml"))
return load_amf_file(path, bundle, model);
else
return false;
}
bool store_amf(const char *path, Model *model, Print* print)
{
if ((path == nullptr) || (model == nullptr) || (print == nullptr))
return false;
mz_zip_archive archive;
mz_zip_zero_struct(&archive);
mz_bool res = mz_zip_writer_init_file(&archive, path, 0);
if (res == 0)
return false;
std::stringstream stream;
stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
stream << "<amf unit=\"millimeter\">\n";
stream << "<metadata type=\"cad\">Slic3r " << SLIC3R_VERSION << "</metadata>\n";
std::string config = "\n";
GCode::append_full_config(*print, config);
stream << "<metadata type=\"" << SLIC3R_CONFIG_TYPE << "\">" << config << "</metadata>\n";
for (const auto &material : model->materials) {
if (material.first.empty())
continue;
// note that material-id must never be 0 since it's reserved by the AMF spec
fprintf(file, " <material id=\"%s\">\n", material.first.c_str());
stream << " <material id=\"" << material.first << "\">\n";
for (const auto &attr : material.second->attributes)
fprintf(file, " <metadata type=\"%s\">%s</metadata>\n", attr.first.c_str(), attr.second.c_str());
stream << " <metadata type=\"" << attr.first << "\">" << attr.second << "</metadata>\n";
for (const std::string &key : material.second->config.keys())
fprintf(file, " <metadata type=\"slic3r.%s\">%s</metadata>\n", key.c_str(), material.second->config.serialize(key).c_str());
fprintf(file, " </material>\n");
stream << " <metadata type=\"slic3r." << key << "\">" << material.second->config.serialize(key) << "</metadata>\n";
stream << " </material>\n";
}
std::string instances;
for (size_t object_id = 0; object_id < model->objects.size(); ++ object_id) {
ModelObject *object = model->objects[object_id];
fprintf(file, " <object id=\"" PRINTF_ZU "\">\n", object_id);
stream << " <object id=\"" << object_id << "\">\n";
for (const std::string &key : object->config.keys())
fprintf(file, " <metadata type=\"slic3r.%s\">%s</metadata>\n", key.c_str(), object->config.serialize(key).c_str());
if (! object->name.empty())
fprintf(file, " <metadata type=\"name\">%s</metadata>\n", object->name.c_str());
stream << " <metadata type=\"slic3r." << key << "\">" << object->config.serialize(key) << "</metadata>\n";
if (!object->name.empty())
stream << " <metadata type=\"name\">" << object->name << "</metadata>\n";
std::vector<double> layer_height_profile = object->layer_height_profile_valid ? object->layer_height_profile : std::vector<double>();
if (layer_height_profile.size() >= 4 && (layer_height_profile.size() % 2) == 0) {
// Store the layer height profile as a single semicolon separated list.
fprintf(file, " <metadata type=\"slic3r.layer_height_profile\">");
fprintf(file, "%f", layer_height_profile.front());
for (size_t i = 1; i < layer_height_profile.size(); ++ i)
fprintf(file, ";%f", layer_height_profile[i]);
fprintf(file, "\n </metadata>\n");
stream << " <metadata type=\"slic3r.layer_height_profile\">";
stream << layer_height_profile.front();
for (size_t i = 1; i < layer_height_profile.size(); ++i)
stream << ";" << layer_height_profile[i];
stream << "\n </metadata>\n";
}
//FIXME Store the layer height ranges (ModelObject::layer_height_ranges)
fprintf(file, " <mesh>\n");
fprintf(file, " <vertices>\n");
stream << " <mesh>\n";
stream << " <vertices>\n";
std::vector<int> vertices_offsets;
int num_vertices = 0;
for (ModelVolume *volume : object->volumes) {
@ -572,41 +706,41 @@ bool store_amf(const char *path, Model *model)
if (stl.v_shared == nullptr)
stl_generate_shared_vertices(&stl);
for (size_t i = 0; i < stl.stats.shared_vertices; ++ i) {
fprintf(file, " <vertex>\n");
fprintf(file, " <coordinates>\n");
fprintf(file, " <x>%f</x>\n", stl.v_shared[i].x);
fprintf(file, " <y>%f</y>\n", stl.v_shared[i].y);
fprintf(file, " <z>%f</z>\n", stl.v_shared[i].z);
fprintf(file, " </coordinates>\n");
fprintf(file, " </vertex>\n");
stream << " <vertex>\n";
stream << " <coordinates>\n";
stream << " <x>" << stl.v_shared[i].x << "</x>\n";
stream << " <y>" << stl.v_shared[i].y << "</y>\n";
stream << " <z>" << stl.v_shared[i].z << "</z>\n";
stream << " </coordinates>\n";
stream << " </vertex>\n";
}
num_vertices += stl.stats.shared_vertices;
}
fprintf(file, " </vertices>\n");
for (size_t i_volume = 0; i_volume < object->volumes.size(); ++ i_volume) {
stream << " </vertices>\n";
for (size_t i_volume = 0; i_volume < object->volumes.size(); ++i_volume) {
ModelVolume *volume = object->volumes[i_volume];
int vertices_offset = vertices_offsets[i_volume];
if (volume->material_id().empty())
fprintf(file, " <volume>\n");
stream << " <volume>\n";
else
fprintf(file, " <volume materialid=\"%s\">\n", volume->material_id().c_str());
stream << " <volume materialid=\"" << volume->material_id() << "\">\n";
for (const std::string &key : volume->config.keys())
fprintf(file, " <metadata type=\"slic3r.%s\">%s</metadata>\n", key.c_str(), volume->config.serialize(key).c_str());
if (! volume->name.empty())
fprintf(file, " <metadata type=\"name\">%s</metadata>\n", volume->name.c_str());
stream << " <metadata type=\"slic3r." << key << "\">" << volume->config.serialize(key) << "</metadata>\n";
if (!volume->name.empty())
stream << " <metadata type=\"name\">" << volume->name << "</metadata>\n";
if (volume->modifier)
fprintf(file, " <metadata type=\"slic3r.modifier\">1</metadata>\n");
for (int i = 0; i < volume->mesh.stl.stats.number_of_facets; ++ i) {
fprintf(file, " <triangle>\n");
for (int j = 0; j < 3; ++ j)
fprintf(file, " <v%d>%d</v%d>\n", j+1, volume->mesh.stl.v_indices[i].vertex[j] + vertices_offset, j+1);
fprintf(file, " </triangle>\n");
stream << " <metadata type=\"slic3r.modifier\">1</metadata>\n";
for (int i = 0; i < volume->mesh.stl.stats.number_of_facets; ++i) {
stream << " <triangle>\n";
for (int j = 0; j < 3; ++j)
stream << " <v" << j + 1 << ">" << volume->mesh.stl.v_indices[i].vertex[j] + vertices_offset << "</v" << j + 1 << ">\n";
stream << " </triangle>\n";
}
fprintf(file, " </volume>\n");
stream << " </volume>\n";
}
fprintf(file, " </mesh>\n");
fprintf(file, " </object>\n");
if (! object->instances.empty()) {
stream << " </mesh>\n";
stream << " </object>\n";
if (!object->instances.empty()) {
for (ModelInstance *instance : object->instances) {
char buf[512];
sprintf(buf,
@ -627,12 +761,31 @@ bool store_amf(const char *path, Model *model)
}
}
if (! instances.empty()) {
fprintf(file, " <constellation id=\"1\">\n");
fwrite(instances.data(), instances.size(), 1, file);
fprintf(file, " </constellation>\n");
stream << " <constellation id=\"1\">\n";
stream << instances;
stream << " </constellation>\n";
}
fprintf(file, "</amf>\n");
fclose(file);
stream << "</amf>\n";
std::string internal_amf_filename = boost::ireplace_last_copy(boost::filesystem::path(path).filename().string(), ".zip.amf", ".amf");
std::string out = stream.str();
if (!mz_zip_writer_add_mem(&archive, internal_amf_filename.c_str(), (const void*)out.data(), out.length(), MZ_DEFAULT_COMPRESSION))
{
mz_zip_writer_end(&archive);
boost::filesystem::remove(path);
return false;
}
if (!mz_zip_writer_finalize_archive(&archive))
{
mz_zip_writer_end(&archive);
boost::filesystem::remove(path);
return false;
}
mz_zip_writer_end(&archive);
return true;
}

10
xs/src/libslic3r/Format/AMF.hpp
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@ -4,11 +4,15 @@
namespace Slic3r {
class Model;
class Print;
class PresetBundle;
// Load an AMF file into a provided model.
extern bool load_amf(const char *path, Model *model);
// Load the content of an amf file into the given model and preset bundle.
extern bool load_amf(const char *path, PresetBundle* bundle, Model *model);
extern bool store_amf(const char *path, Model *model);
// Save the given model and the config data contained in the given Print into an amf file.
// The model could be modified during the export process if meshes are not repaired or have no shared vertices
extern bool store_amf(const char *path, Model *model, Print* print);
}; // namespace Slic3r