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PrusaSlicer-NonPlainar/src/libslic3r/Format/AMF.cpp
Vojtech Bubnik b101a8e266 Fixes of the offset curves from Voronoi diagram. 
The offset curve extractor is already quite usable,
though singular cases are still not covered yet
when the offset curve intersects or nearly intersects
a Voronoi vertex.

Removal of the PRINTF_ZU "%zu" Visual Studio printf compatibility macro.
Fixes of a contours self intersection test for collinear segments.
SVG exporter now exports white background, so that the GNOME Eye viewer is usable.
2020-06-16 13:15:48 +02:00

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#include <limits>
#include <string.h>
#include <map>
#include <string>
#include <expat.h>
#include <boost/nowide/cstdio.hpp>
#include "../libslic3r.h"
#include "../Model.hpp"
#include "../GCode.hpp"
#include "../PrintConfig.hpp"
#include "../Utils.hpp"
#include "../I18N.hpp"
#include "../Geometry.hpp"
#include "../CustomGCode.hpp"
#include "AMF.hpp"
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
namespace pt = boost::property_tree;
#include <boost/filesystem/operations.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/nowide/fstream.hpp>
#include "miniz_extension.hpp"
#if 0
// Enable debugging and assert in this file.
#define DEBUG
#define _DEBUG
#undef NDEBUG
#endif
#include <assert.h>
// VERSION NUMBERS
// 0 : .amf, .amf.xml and .zip.amf files saved by older slic3r. No version definition in them.
// 1 : Introduction of amf versioning. No other change in data saved into amf files.
// 2 : Added z component of offset
// Added x and y components of rotation
// Added x, y and z components of scale
// Added x, y and z components of mirror
// 3 : Added volumes' matrices and source data, meshes transformed back to their coordinate system on loading.
// WARNING !! -> the version number has been rolled back to 2
// the next change should use 4
const unsigned int VERSION_AMF = 2;
const unsigned int VERSION_AMF_COMPATIBLE = 3;
const char* SLIC3RPE_AMF_VERSION = "slic3rpe_amf_version";
const char* SLIC3R_CONFIG_TYPE = "slic3rpe_config";
namespace Slic3r
{
//! macro used to mark string used at localization,
//! return same string
#define L(s) (s)
#define _(s) Slic3r::I18N::translate(s)
struct AMFParserContext
{
AMFParserContext(XML_Parser parser, DynamicPrintConfig* config, Model* model) :
m_version(0),
m_parser(parser),
m_model(*model),
m_object(nullptr),
m_volume(nullptr),
m_material(nullptr),
m_instance(nullptr),
m_config(config)
{
m_path.reserve(12);
}
void stop()
{
XML_StopParser(m_parser, 0);
}
void startElement(const char *name, const char **atts);
void endElement(const char *name);
void endDocument();
void characters(const XML_Char *s, int len);
static void XMLCALL startElement(void *userData, const char *name, const char **atts)
{
AMFParserContext *ctx = (AMFParserContext*)userData;
ctx->startElement(name, atts);
}
static void XMLCALL endElement(void *userData, const char *name)
{
AMFParserContext *ctx = (AMFParserContext*)userData;
ctx->endElement(name);
}
/* s is not 0 terminated. */
static void XMLCALL characters(void *userData, const XML_Char *s, int len)
{
AMFParserContext *ctx = (AMFParserContext*)userData;
ctx->characters(s, len);
}
static const char* get_attribute(const char **atts, const char *id) {
if (atts == nullptr)
return nullptr;
while (*atts != nullptr) {
if (strcmp(*(atts ++), id) == 0)
return *atts;
++ atts;
}
return nullptr;
}
enum AMFNodeType {
NODE_TYPE_INVALID = 0,
NODE_TYPE_UNKNOWN,
NODE_TYPE_AMF, // amf
// amf/metadata
NODE_TYPE_MATERIAL, // amf/material
// amf/material/metadata
NODE_TYPE_OBJECT, // amf/object
// amf/object/metadata
NODE_TYPE_LAYER_CONFIG, // amf/object/layer_config_ranges
NODE_TYPE_RANGE, // amf/object/layer_config_ranges/range
// amf/object/layer_config_ranges/range/metadata
NODE_TYPE_MESH, // amf/object/mesh
NODE_TYPE_VERTICES, // amf/object/mesh/vertices
NODE_TYPE_VERTEX, // amf/object/mesh/vertices/vertex
NODE_TYPE_COORDINATES, // amf/object/mesh/vertices/vertex/coordinates
NODE_TYPE_COORDINATE_X, // amf/object/mesh/vertices/vertex/coordinates/x
NODE_TYPE_COORDINATE_Y, // amf/object/mesh/vertices/vertex/coordinates/y
NODE_TYPE_COORDINATE_Z, // amf/object/mesh/vertices/vertex/coordinates/z
NODE_TYPE_VOLUME, // amf/object/mesh/volume
// amf/object/mesh/volume/metadata
NODE_TYPE_TRIANGLE, // amf/object/mesh/volume/triangle
NODE_TYPE_VERTEX1, // amf/object/mesh/volume/triangle/v1
NODE_TYPE_VERTEX2, // amf/object/mesh/volume/triangle/v2
NODE_TYPE_VERTEX3, // amf/object/mesh/volume/triangle/v3
NODE_TYPE_CONSTELLATION, // amf/constellation
NODE_TYPE_INSTANCE, // amf/constellation/instance
NODE_TYPE_DELTAX, // amf/constellation/instance/deltax
NODE_TYPE_DELTAY, // amf/constellation/instance/deltay
NODE_TYPE_DELTAZ, // amf/constellation/instance/deltaz
NODE_TYPE_RX, // amf/constellation/instance/rx
NODE_TYPE_RY, // amf/constellation/instance/ry
NODE_TYPE_RZ, // amf/constellation/instance/rz
NODE_TYPE_SCALE, // amf/constellation/instance/scale
NODE_TYPE_SCALEX, // amf/constellation/instance/scalex
NODE_TYPE_SCALEY, // amf/constellation/instance/scaley
NODE_TYPE_SCALEZ, // amf/constellation/instance/scalez
NODE_TYPE_MIRRORX, // amf/constellation/instance/mirrorx
NODE_TYPE_MIRRORY, // amf/constellation/instance/mirrory
NODE_TYPE_MIRRORZ, // amf/constellation/instance/mirrorz
NODE_TYPE_PRINTABLE, // amf/constellation/instance/mirrorz
NODE_TYPE_CUSTOM_GCODE, // amf/custom_code_per_height
NODE_TYPE_GCODE_PER_HEIGHT, // amf/custom_code_per_height/code
NODE_TYPE_CUSTOM_GCODE_MODE, // amf/custom_code_per_height/mode
NODE_TYPE_METADATA, // anywhere under amf/*/metadata
};
struct Instance {
Instance()
: deltax_set(false), deltay_set(false), deltaz_set(false)
, rx_set(false), ry_set(false), rz_set(false)
, scalex_set(false), scaley_set(false), scalez_set(false)
, mirrorx_set(false), mirrory_set(false), mirrorz_set(false)
, printable(true) {}
// Shift in the X axis.
float deltax;
bool deltax_set;
// Shift in the Y axis.
float deltay;
bool deltay_set;
// Shift in the Z axis.
float deltaz;
bool deltaz_set;
// Rotation around the X axis.
float rx;
bool rx_set;
// Rotation around the Y axis.
float ry;
bool ry_set;
// Rotation around the Z axis.
float rz;
bool rz_set;
// Scaling factors
float scalex;
bool scalex_set;
float scaley;
bool scaley_set;
float scalez;
bool scalez_set;
// Mirroring factors
float mirrorx;
bool mirrorx_set;
float mirrory;
bool mirrory_set;
float mirrorz;
bool mirrorz_set;
// printable property
bool printable;
bool anything_set() const { return deltax_set || deltay_set || deltaz_set ||
rx_set || ry_set || rz_set ||
scalex_set || scaley_set || scalez_set ||
mirrorx_set || mirrory_set || mirrorz_set; }
};
struct Object {
Object() : idx(-1) {}
int idx;
std::vector<Instance> instances;
};
// Version of the amf file
unsigned int m_version;
// Current Expat XML parser instance.
XML_Parser m_parser;
// Model to receive objects extracted from an AMF file.
Model &m_model;
// Current parsing path in the XML file.
std::vector<AMFNodeType> m_path;
// Current object allocated for an amf/object XML subtree.
ModelObject *m_object;
// Map from obect name to object idx & instances.
std::map<std::string, Object> m_object_instances_map;
// Vertices parsed for the current m_object.
std::vector<float> m_object_vertices;
// Current volume allocated for an amf/object/mesh/volume subtree.
ModelVolume *m_volume;
// Faces collected for the current m_volume.
std::vector<int> m_volume_facets;
// Transformation matrix of a volume mesh from its coordinate system to Object's coordinate system.
Transform3d m_volume_transform;
// Current material allocated for an amf/metadata subtree.
ModelMaterial *m_material;
// Current instance allocated for an amf/constellation/instance subtree.
Instance *m_instance;
// Generic string buffer for vertices, face indices, metadata etc.
std::string m_value[5];
// Pointer to config to update if config data are stored inside the amf file
DynamicPrintConfig *m_config;
private:
AMFParserContext& operator=(AMFParserContext&);
};
void AMFParserContext::startElement(const char *name, const char **atts)
{
AMFNodeType node_type_new = NODE_TYPE_UNKNOWN;
switch (m_path.size()) {
case 0:
// An AMF file must start with an <amf> tag.
node_type_new = NODE_TYPE_AMF;
if (strcmp(name, "amf") != 0)
this->stop();
break;
case 1:
if (strcmp(name, "metadata") == 0) {
const char *type = get_attribute(atts, "type");
if (type != nullptr) {
m_value[0] = type;
node_type_new = NODE_TYPE_METADATA;
}
} else if (strcmp(name, "material") == 0) {
const char *material_id = get_attribute(atts, "id");
m_material = m_model.add_material((material_id == nullptr) ? "_" : material_id);
node_type_new = NODE_TYPE_MATERIAL;
} else if (strcmp(name, "object") == 0) {
const char *object_id = get_attribute(atts, "id");
if (object_id == nullptr)
this->stop();
else {
assert(m_object_vertices.empty());
m_object = m_model.add_object();
m_object_instances_map[object_id].idx = int(m_model.objects.size())-1;
node_type_new = NODE_TYPE_OBJECT;
}
} else if (strcmp(name, "constellation") == 0) {
node_type_new = NODE_TYPE_CONSTELLATION;
} else if (strcmp(name, "custom_gcodes_per_height") == 0) {
node_type_new = NODE_TYPE_CUSTOM_GCODE;
}
break;
case 2:
if (strcmp(name, "metadata") == 0) {
if (m_path[1] == NODE_TYPE_MATERIAL || m_path[1] == NODE_TYPE_OBJECT) {
m_value[0] = get_attribute(atts, "type");
node_type_new = NODE_TYPE_METADATA;
}
} else if (strcmp(name, "layer_config_ranges") == 0 && m_path[1] == NODE_TYPE_OBJECT)
node_type_new = NODE_TYPE_LAYER_CONFIG;
else if (strcmp(name, "mesh") == 0) {
if (m_path[1] == NODE_TYPE_OBJECT)
node_type_new = NODE_TYPE_MESH;
} else if (strcmp(name, "instance") == 0) {
if (m_path[1] == NODE_TYPE_CONSTELLATION) {
const char *object_id = get_attribute(atts, "objectid");
if (object_id == nullptr)
this->stop();
else {
m_object_instances_map[object_id].instances.push_back(AMFParserContext::Instance());
m_instance = &m_object_instances_map[object_id].instances.back();
node_type_new = NODE_TYPE_INSTANCE;
}
}
else
this->stop();
}
else if (m_path[1] == NODE_TYPE_CUSTOM_GCODE) {
if (strcmp(name, "code") == 0) {
node_type_new = NODE_TYPE_GCODE_PER_HEIGHT;
m_value[0] = get_attribute(atts, "print_z");
m_value[1] = get_attribute(atts, "extruder");
m_value[2] = get_attribute(atts, "color");
if (get_attribute(atts, "type"))
{
m_value[3] = get_attribute(atts, "type");
m_value[4] = get_attribute(atts, "extra");
}
else
{
// It means that data was saved in old version (2.2.0 and older) of PrusaSlicer
// read old data ...
std::string gcode = get_attribute(atts, "gcode");
// ... and interpret them to the new data
CustomGCode::Type type= gcode == "M600" ? CustomGCode::ColorChange :
gcode == "M601" ? CustomGCode::PausePrint :
gcode == "tool_change" ? CustomGCode::ToolChange : CustomGCode::Custom;
m_value[3] = std::to_string(static_cast<int>(type));
m_value[4] = type == CustomGCode::PausePrint ? m_value[2] :
type == CustomGCode::Custom ? gcode : "";
}
}
else if (strcmp(name, "mode") == 0) {
node_type_new = NODE_TYPE_CUSTOM_GCODE_MODE;
m_value[0] = get_attribute(atts, "value");
}
}
break;
case 3:
if (m_path[2] == NODE_TYPE_MESH) {
assert(m_object);
if (strcmp(name, "vertices") == 0)
node_type_new = NODE_TYPE_VERTICES;
else if (strcmp(name, "volume") == 0) {
assert(! m_volume);
m_volume = m_object->add_volume(TriangleMesh());
m_volume_transform = Transform3d::Identity();
node_type_new = NODE_TYPE_VOLUME;
}
} else if (m_path[2] == NODE_TYPE_INSTANCE) {
assert(m_instance);
if (strcmp(name, "deltax") == 0)
node_type_new = NODE_TYPE_DELTAX;
else if (strcmp(name, "deltay") == 0)
node_type_new = NODE_TYPE_DELTAY;
else if (strcmp(name, "deltaz") == 0)
node_type_new = NODE_TYPE_DELTAZ;
else if (strcmp(name, "rx") == 0)
node_type_new = NODE_TYPE_RX;
else if (strcmp(name, "ry") == 0)
node_type_new = NODE_TYPE_RY;
else if (strcmp(name, "rz") == 0)
node_type_new = NODE_TYPE_RZ;
else if (strcmp(name, "scalex") == 0)
node_type_new = NODE_TYPE_SCALEX;
else if (strcmp(name, "scaley") == 0)
node_type_new = NODE_TYPE_SCALEY;
else if (strcmp(name, "scalez") == 0)
node_type_new = NODE_TYPE_SCALEZ;
else if (strcmp(name, "scale") == 0)
node_type_new = NODE_TYPE_SCALE;
else if (strcmp(name, "mirrorx") == 0)
node_type_new = NODE_TYPE_MIRRORX;
else if (strcmp(name, "mirrory") == 0)
node_type_new = NODE_TYPE_MIRRORY;
else if (strcmp(name, "mirrorz") == 0)
node_type_new = NODE_TYPE_MIRRORZ;
else if (strcmp(name, "printable") == 0)
node_type_new = NODE_TYPE_PRINTABLE;
}
else if (m_path[2] == NODE_TYPE_LAYER_CONFIG && strcmp(name, "range") == 0) {
assert(m_object);
node_type_new = NODE_TYPE_RANGE;
}
break;
case 4:
if (m_path[3] == NODE_TYPE_VERTICES) {
if (strcmp(name, "vertex") == 0)
node_type_new = NODE_TYPE_VERTEX;
} else if (m_path[3] == NODE_TYPE_VOLUME) {
if (strcmp(name, "metadata") == 0) {
const char *type = get_attribute(atts, "type");
if (type == nullptr)
this->stop();
else {
m_value[0] = type;
node_type_new = NODE_TYPE_METADATA;
}
} else if (strcmp(name, "triangle") == 0)
node_type_new = NODE_TYPE_TRIANGLE;
}
else if (m_path[3] == NODE_TYPE_RANGE && strcmp(name, "metadata") == 0) {
m_value[0] = get_attribute(atts, "type");
node_type_new = NODE_TYPE_METADATA;
}
break;
case 5:
if (strcmp(name, "coordinates") == 0) {
if (m_path[4] == NODE_TYPE_VERTEX) {
node_type_new = NODE_TYPE_COORDINATES;
} else
this->stop();
} else if (name[0] == 'v' && name[1] >= '1' && name[1] <= '3' && name[2] == 0) {
if (m_path[4] == NODE_TYPE_TRIANGLE) {
node_type_new = AMFNodeType(NODE_TYPE_VERTEX1 + name[1] - '1');
} else
this->stop();
}
break;
case 6:
if ((name[0] == 'x' || name[0] == 'y' || name[0] == 'z') && name[1] == 0) {
if (m_path[5] == NODE_TYPE_COORDINATES)
node_type_new = AMFNodeType(NODE_TYPE_COORDINATE_X + name[0] - 'x');
else
this->stop();
}
break;
default:
break;
}
m_path.push_back(node_type_new);
}
void AMFParserContext::characters(const XML_Char *s, int len)
{
if (m_path.back() == NODE_TYPE_METADATA) {
m_value[1].append(s, len);
}
else
{
switch (m_path.size()) {
case 4:
if (m_path.back() == NODE_TYPE_DELTAX ||
m_path.back() == NODE_TYPE_DELTAY ||
m_path.back() == NODE_TYPE_DELTAZ ||
m_path.back() == NODE_TYPE_RX ||
m_path.back() == NODE_TYPE_RY ||
m_path.back() == NODE_TYPE_RZ ||
m_path.back() == NODE_TYPE_SCALEX ||
m_path.back() == NODE_TYPE_SCALEY ||
m_path.back() == NODE_TYPE_SCALEZ ||
m_path.back() == NODE_TYPE_SCALE ||
m_path.back() == NODE_TYPE_MIRRORX ||
m_path.back() == NODE_TYPE_MIRRORY ||
m_path.back() == NODE_TYPE_MIRRORZ ||
m_path.back() == NODE_TYPE_PRINTABLE)
m_value[0].append(s, len);
break;
case 6:
switch (m_path.back()) {
case NODE_TYPE_VERTEX1: m_value[0].append(s, len); break;
case NODE_TYPE_VERTEX2: m_value[1].append(s, len); break;
case NODE_TYPE_VERTEX3: m_value[2].append(s, len); break;
default: break;
}
case 7:
switch (m_path.back()) {
case NODE_TYPE_COORDINATE_X: m_value[0].append(s, len); break;
case NODE_TYPE_COORDINATE_Y: m_value[1].append(s, len); break;
case NODE_TYPE_COORDINATE_Z: m_value[2].append(s, len); break;
default: break;
}
default:
break;
}
}
}
void AMFParserContext::endElement(const char * /* name */)
{
switch (m_path.back()) {
// Constellation transformation:
case NODE_TYPE_DELTAX:
assert(m_instance);
m_instance->deltax = float(atof(m_value[0].c_str()));
m_instance->deltax_set = true;
m_value[0].clear();
break;
case NODE_TYPE_DELTAY:
assert(m_instance);
m_instance->deltay = float(atof(m_value[0].c_str()));
m_instance->deltay_set = true;
m_value[0].clear();
break;
case NODE_TYPE_DELTAZ:
assert(m_instance);
m_instance->deltaz = float(atof(m_value[0].c_str()));
m_instance->deltaz_set = true;
m_value[0].clear();
break;
case NODE_TYPE_RX:
assert(m_instance);
m_instance->rx = float(atof(m_value[0].c_str()));
m_instance->rx_set = true;
m_value[0].clear();
break;
case NODE_TYPE_RY:
assert(m_instance);
m_instance->ry = float(atof(m_value[0].c_str()));
m_instance->ry_set = true;
m_value[0].clear();
break;
case NODE_TYPE_RZ:
assert(m_instance);
m_instance->rz = float(atof(m_value[0].c_str()));
m_instance->rz_set = true;
m_value[0].clear();
break;
case NODE_TYPE_SCALE:
assert(m_instance);
m_instance->scalex = float(atof(m_value[0].c_str()));
m_instance->scalex_set = true;
m_instance->scaley = float(atof(m_value[0].c_str()));
m_instance->scaley_set = true;
m_instance->scalez = float(atof(m_value[0].c_str()));
m_instance->scalez_set = true;
m_value[0].clear();
break;
case NODE_TYPE_SCALEX:
assert(m_instance);
m_instance->scalex = float(atof(m_value[0].c_str()));
m_instance->scalex_set = true;
m_value[0].clear();
break;
case NODE_TYPE_SCALEY:
assert(m_instance);
m_instance->scaley = float(atof(m_value[0].c_str()));
m_instance->scaley_set = true;
m_value[0].clear();
break;
case NODE_TYPE_SCALEZ:
assert(m_instance);
m_instance->scalez = float(atof(m_value[0].c_str()));
m_instance->scalez_set = true;
m_value[0].clear();
break;
case NODE_TYPE_MIRRORX:
assert(m_instance);
m_instance->mirrorx = float(atof(m_value[0].c_str()));
m_instance->mirrorx_set = true;
m_value[0].clear();
break;
case NODE_TYPE_MIRRORY:
assert(m_instance);
m_instance->mirrory = float(atof(m_value[0].c_str()));
m_instance->mirrory_set = true;
m_value[0].clear();
break;
case NODE_TYPE_MIRRORZ:
assert(m_instance);
m_instance->mirrorz = float(atof(m_value[0].c_str()));
m_instance->mirrorz_set = true;
m_value[0].clear();
break;
case NODE_TYPE_PRINTABLE:
assert(m_instance);
m_instance->printable = bool(atoi(m_value[0].c_str()));
m_value[0].clear();
break;
// Object vertices:
case NODE_TYPE_VERTEX:
assert(m_object);
// Parse the vertex data
m_object_vertices.emplace_back((float)atof(m_value[0].c_str()));
m_object_vertices.emplace_back((float)atof(m_value[1].c_str()));
m_object_vertices.emplace_back((float)atof(m_value[2].c_str()));
m_value[0].clear();
m_value[1].clear();
m_value[2].clear();
break;
// Faces of the current volume:
case NODE_TYPE_TRIANGLE:
assert(m_object && m_volume);
m_volume_facets.push_back(atoi(m_value[0].c_str()));
m_volume_facets.push_back(atoi(m_value[1].c_str()));
m_volume_facets.push_back(atoi(m_value[2].c_str()));
m_value[0].clear();
m_value[1].clear();
m_value[2].clear();
break;
// Closing the current volume. Create an STL from m_volume_facets pointing to m_object_vertices.
case NODE_TYPE_VOLUME:
{
assert(m_object && m_volume);
TriangleMesh mesh;
stl_file &stl = mesh.stl;
stl.stats.type = inmemory;
stl.stats.number_of_facets = int(m_volume_facets.size() / 3);
stl.stats.original_num_facets = stl.stats.number_of_facets;
stl_allocate(&stl);
bool has_transform = ! m_volume_transform.isApprox(Transform3d::Identity(), 1e-10);
for (size_t i = 0; i < m_volume_facets.size();) {
stl_facet &facet = stl.facet_start[i/3];
for (unsigned int v = 0; v < 3; ++v)
{
unsigned int tri_id = m_volume_facets[i++] * 3;
facet.vertex[v] = Vec3f(m_object_vertices[tri_id + 0], m_object_vertices[tri_id + 1], m_object_vertices[tri_id + 2]);
}
}
stl_get_size(&stl);
mesh.repair();
m_volume->set_mesh(std::move(mesh));
// stores the volume matrix taken from the metadata, if present
if (has_transform)
m_volume->source.transform = Slic3r::Geometry::Transformation(m_volume_transform);
if (m_volume->source.input_file.empty() && (m_volume->type() == ModelVolumeType::MODEL_PART))
{
m_volume->source.object_idx = (int)m_model.objects.size() - 1;
m_volume->source.volume_idx = (int)m_model.objects.back()->volumes.size() - 1;
m_volume->center_geometry_after_creation();
}
else
// pass false if the mesh offset has been already taken from the data
m_volume->center_geometry_after_creation(m_volume->source.input_file.empty());
m_volume->calculate_convex_hull();
m_volume_facets.clear();
m_volume = nullptr;
break;
}
case NODE_TYPE_OBJECT:
assert(m_object);
m_object_vertices.clear();
m_object = nullptr;
break;
case NODE_TYPE_MATERIAL:
assert(m_material);
m_material = nullptr;
break;
case NODE_TYPE_INSTANCE:
assert(m_instance);
m_instance = nullptr;
break;
case NODE_TYPE_GCODE_PER_HEIGHT: {
double print_z = double(atof(m_value[0].c_str()));
int extruder = atoi(m_value[1].c_str());
const std::string& color= m_value[2];
CustomGCode::Type type = static_cast<CustomGCode::Type>(atoi(m_value[3].c_str()));
const std::string& extra= m_value[4];
m_model.custom_gcode_per_print_z.gcodes.push_back(CustomGCode::Item{print_z, type, extruder, color, extra});
for (std::string& val: m_value)
val.clear();
break;
}
case NODE_TYPE_CUSTOM_GCODE_MODE: {
const std::string& mode = m_value[0];
m_model.custom_gcode_per_print_z.mode = mode == CustomGCode::SingleExtruderMode ? CustomGCode::Mode::SingleExtruder :
mode == CustomGCode::MultiAsSingleMode ? CustomGCode::Mode::MultiAsSingle :
CustomGCode::Mode::MultiExtruder;
for (std::string& val: m_value)
val.clear();
break;
}
case NODE_TYPE_METADATA:
if ((m_config != nullptr) && strncmp(m_value[0].c_str(), SLIC3R_CONFIG_TYPE, strlen(SLIC3R_CONFIG_TYPE)) == 0)
m_config->load_from_gcode_string(m_value[1].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;
if (m_path.size() == 3) {
if (m_path[1] == NODE_TYPE_MATERIAL && m_material)
config = &m_material->config;
else if (m_path[1] == NODE_TYPE_OBJECT && m_object)
config = &m_object->config;
}
else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_VOLUME && m_volume)
config = &m_volume->config;
else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_RANGE && m_object && !m_object->layer_config_ranges.empty()) {
auto it = --m_object->layer_config_ranges.end();
config = &it->second;
}
if (config)
config->set_deserialize(opt_key, m_value[1]);
} else if (m_path.size() == 3 && m_path[1] == NODE_TYPE_OBJECT && m_object && strcmp(opt_key, "layer_height_profile") == 0) {
// Parse object's layer height profile, a semicolon separated list of floats.
char *p = m_value[1].data();
for (;;) {
char *end = strchr(p, ';');
if (end != nullptr)
*end = 0;
m_object->layer_height_profile.push_back(float(atof(p)));
if (end == nullptr)
break;
p = end + 1;
}
}
else if (m_path.size() == 3 && m_path[1] == NODE_TYPE_OBJECT && m_object && strcmp(opt_key, "sla_support_points") == 0) {
// Parse object's layer height profile, a semicolon separated list of floats.
unsigned char coord_idx = 0;
Eigen::Matrix<float, 5, 1, Eigen::DontAlign> point(Eigen::Matrix<float, 5, 1, Eigen::DontAlign>::Zero());
char *p = m_value[1].data();
for (;;) {
char *end = strchr(p, ';');
if (end != nullptr)
*end = 0;
point(coord_idx) = float(atof(p));
if (++coord_idx == 5) {
m_object->sla_support_points.push_back(sla::SupportPoint(point));
coord_idx = 0;
}
if (end == nullptr)
break;
p = end + 1;
}
m_object->sla_points_status = sla::PointsStatus::UserModified;
}
else if (m_path.size() == 5 && m_path[1] == NODE_TYPE_OBJECT && m_path[3] == NODE_TYPE_RANGE &&
m_object && strcmp(opt_key, "layer_height_range") == 0) {
// Parse object's layer_height_range, a semicolon separated doubles.
char* p = m_value[1].data();
char* end = strchr(p, ';');
*end = 0;
const t_layer_height_range range = {double(atof(p)), double(atof(end + 1))};
m_object->layer_config_ranges[range];
}
else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_VOLUME && m_volume) {
if (strcmp(opt_key, "modifier") == 0) {
// Is this volume a modifier volume?
// "modifier" flag comes first in the XML file, so it may be later overwritten by the "type" flag.
m_volume->set_type((atoi(m_value[1].c_str()) == 1) ? ModelVolumeType::PARAMETER_MODIFIER : ModelVolumeType::MODEL_PART);
} else if (strcmp(opt_key, "volume_type") == 0) {
m_volume->set_type(ModelVolume::type_from_string(m_value[1]));
}
else if (strcmp(opt_key, "matrix") == 0) {
m_volume_transform = Slic3r::Geometry::transform3d_from_string(m_value[1]);
}
else if (strcmp(opt_key, "source_file") == 0) {
m_volume->source.input_file = m_value[1];
}
else if (strcmp(opt_key, "source_object_id") == 0) {
m_volume->source.object_idx = ::atoi(m_value[1].c_str());
}
else if (strcmp(opt_key, "source_volume_id") == 0) {
m_volume->source.volume_idx = ::atoi(m_value[1].c_str());
}
else if (strcmp(opt_key, "source_offset_x") == 0) {
m_volume->source.mesh_offset(0) = ::atof(m_value[1].c_str());
}
else if (strcmp(opt_key, "source_offset_y") == 0) {
m_volume->source.mesh_offset(1) = ::atof(m_value[1].c_str());
}
else if (strcmp(opt_key, "source_offset_z") == 0) {
m_volume->source.mesh_offset(2) = ::atof(m_value[1].c_str());
}
}
} else if (m_path.size() == 3) {
if (m_path[1] == NODE_TYPE_MATERIAL) {
if (m_material)
m_material->attributes[m_value[0]] = m_value[1];
} else if (m_path[1] == NODE_TYPE_OBJECT) {
if (m_object && m_value[0] == "name")
m_object->name = std::move(m_value[1]);
}
} else if (m_path.size() == 5 && m_path[3] == NODE_TYPE_VOLUME) {
if (m_volume && m_value[0] == "name")
m_volume->name = std::move(m_value[1]);
}
else if (strncmp(m_value[0].c_str(), SLIC3RPE_AMF_VERSION, strlen(SLIC3RPE_AMF_VERSION)) == 0) {
m_version = (unsigned int)atoi(m_value[1].c_str());
}
m_value[0].clear();
m_value[1].clear();
break;
default:
break;
}
m_path.pop_back();
}
void AMFParserContext::endDocument()
{
for (const auto &object : m_object_instances_map) {
if (object.second.idx == -1) {
printf("Undefined object %s referenced in constellation\n", object.first.c_str());
continue;
}
for (const Instance &instance : object.second.instances)
if (instance.anything_set()) {
ModelInstance *mi = m_model.objects[object.second.idx]->add_instance();
mi->set_offset(Vec3d(instance.deltax_set ? (double)instance.deltax : 0.0, instance.deltay_set ? (double)instance.deltay : 0.0, instance.deltaz_set ? (double)instance.deltaz : 0.0));
mi->set_rotation(Vec3d(instance.rx_set ? (double)instance.rx : 0.0, instance.ry_set ? (double)instance.ry : 0.0, instance.rz_set ? (double)instance.rz : 0.0));
mi->set_scaling_factor(Vec3d(instance.scalex_set ? (double)instance.scalex : 1.0, instance.scaley_set ? (double)instance.scaley : 1.0, instance.scalez_set ? (double)instance.scalez : 1.0));
mi->set_mirror(Vec3d(instance.mirrorx_set ? (double)instance.mirrorx : 1.0, instance.mirrory_set ? (double)instance.mirrory : 1.0, instance.mirrorz_set ? (double)instance.mirrorz : 1.0));
mi->printable = instance.printable;
}
}
}
// Load an AMF file into a provided model.
bool load_amf_file(const char *path, DynamicPrintConfig *config, Model *model)
{
if ((path == nullptr) || (model == nullptr))
return false;
XML_Parser parser = XML_ParserCreate(nullptr); // encoding
if (!parser) {
printf("Couldn't allocate memory for parser\n");
return false;
}
FILE *pFile = boost::nowide::fopen(path, "rt");
if (pFile == nullptr) {
printf("Cannot open file %s\n", path);
return false;
}
AMFParserContext ctx(parser, config, model);
XML_SetUserData(parser, (void*)&ctx);
XML_SetElementHandler(parser, AMFParserContext::startElement, AMFParserContext::endElement);
XML_SetCharacterDataHandler(parser, AMFParserContext::characters);
char buff[8192];
bool result = false;
for (;;) {
int len = (int)fread(buff, 1, 8192, pFile);
if (ferror(pFile)) {
printf("AMF parser: Read error\n");
break;
}
int done = feof(pFile);
if (XML_Parse(parser, buff, len, done) == XML_STATUS_ERROR) {
printf("AMF parser: Parse error at line %d:\n%s\n",
(int)XML_GetCurrentLineNumber(parser),
XML_ErrorString(XML_GetErrorCode(parser)));
break;
}
if (done) {
result = true;
break;
}
}
XML_ParserFree(parser);
::fclose(pFile);
if (result)
ctx.endDocument();
for (ModelObject* o : model->objects)
{
for (ModelVolume* v : o->volumes)
{
if (v->source.input_file.empty() && (v->type() == ModelVolumeType::MODEL_PART))
v->source.input_file = path;
}
}
return result;
}
bool extract_model_from_archive(mz_zip_archive& archive, const mz_zip_archive_file_stat& stat, DynamicPrintConfig* config, Model* model, bool check_version)
{
if (stat.m_uncomp_size == 0)
{
printf("Found invalid size\n");
close_zip_reader(&archive);
return false;
}
XML_Parser parser = XML_ParserCreate(nullptr); // encoding
if (!parser) {
printf("Couldn't allocate memory for parser\n");
close_zip_reader(&archive);
return false;
}
AMFParserContext ctx(parser, config, model);
XML_SetUserData(parser, (void*)&ctx);
XML_SetElementHandler(parser, AMFParserContext::startElement, AMFParserContext::endElement);
XML_SetCharacterDataHandler(parser, AMFParserContext::characters);
struct CallbackData
{
XML_Parser& parser;
const mz_zip_archive_file_stat& stat;
CallbackData(XML_Parser& parser, const mz_zip_archive_file_stat& stat) : parser(parser), stat(stat) {}
};
CallbackData data(parser, stat);
mz_bool res = 0;
try
{
res = mz_zip_reader_extract_file_to_callback(&archive, stat.m_filename, [](void* pOpaque, mz_uint64 file_ofs, const void* pBuf, size_t n)->size_t {
CallbackData* data = (CallbackData*)pOpaque;
if (!XML_Parse(data->parser, (const char*)pBuf, (int)n, (file_ofs + n == data->stat.m_uncomp_size) ? 1 : 0))
{
char error_buf[1024];
::sprintf(error_buf, "Error (%s) while parsing '%s' at line %d", XML_ErrorString(XML_GetErrorCode(data->parser)), data->stat.m_filename, (int)XML_GetCurrentLineNumber(data->parser));
throw std::runtime_error(error_buf);
}
return n;
}, &data, 0);
}
catch (std::exception& e)
{
printf("%s\n", e.what());
close_zip_reader(&archive);
return false;
}
if (res == 0)
{
printf("Error while extracting model data from zip archive");
close_zip_reader(&archive);
return false;
}
ctx.endDocument();
if (check_version && (ctx.m_version > VERSION_AMF_COMPATIBLE))
{
// std::string msg = _(L("The selected amf file has been saved with a newer version of " + std::string(SLIC3R_APP_NAME) + " and is not compatible."));
// throw std::runtime_error(msg.c_str());
const std::string msg = (boost::format(_(L("The selected amf file has been saved with a newer version of %1% and is not compatible."))) % std::string(SLIC3R_APP_NAME)).str();
throw std::runtime_error(msg);
}
return true;
}
// Load an AMF archive into a provided model.
bool load_amf_archive(const char* path, DynamicPrintConfig* config, Model* model, bool check_version)
{
if ((path == nullptr) || (model == nullptr))
return false;
mz_zip_archive archive;
mz_zip_zero_struct(&archive);
if (!open_zip_reader(&archive, path))
{
printf("Unable to init zip reader\n");
return false;
}
mz_uint num_entries = mz_zip_reader_get_num_files(&archive);
mz_zip_archive_file_stat stat;
// we first loop the entries to read from the archive the .amf file only, in order to extract the version from it
for (mz_uint i = 0; i < num_entries; ++i)
{
if (mz_zip_reader_file_stat(&archive, i, &stat))
{
if (boost::iends_with(stat.m_filename, ".amf"))
{
try
{
if (!extract_model_from_archive(archive, stat, config, model, check_version))
{
close_zip_reader(&archive);
printf("Archive does not contain a valid model");
return false;
}
}
catch (const std::exception& e)
{
// ensure the zip archive is closed and rethrow the exception
close_zip_reader(&archive);
throw std::runtime_error(e.what());
}
break;
}
}
}
#if 0 // forward compatibility
// we then loop again the entries to read other files stored in the archive
for (mz_uint i = 0; i < num_entries; ++i)
{
if (mz_zip_reader_file_stat(&archive, i, &stat))
{
// add code to extract the file
}
}
#endif // forward compatibility
close_zip_reader(&archive);
return true;
}
// Load an AMF file into a provided model.
// If config is not a null pointer, updates it if the amf file/archive contains config data
bool load_amf(const char* path, DynamicPrintConfig* config, Model* model, bool check_version)
{
if (boost::iends_with(path, ".amf.xml"))
// backward compatibility with older slic3r output
return load_amf_file(path, config, model);
else if (boost::iends_with(path, ".amf"))
{
boost::nowide::ifstream file(path, boost::nowide::ifstream::binary);
if (!file.good())
return false;
std::string zip_mask(2, '\0');
file.read(zip_mask.data(), 2);
file.close();
return (zip_mask == "PK") ? load_amf_archive(path, config, model, check_version) : load_amf_file(path, config, model);
}
else
return false;
}
bool store_amf(const char* path, Model* model, const DynamicPrintConfig* config, bool fullpath_sources)
{
if ((path == nullptr) || (model == nullptr))
return false;
// forces ".zip.amf" extension
std::string export_path = path;
if (!boost::iends_with(export_path, ".zip.amf"))
export_path = boost::filesystem::path(export_path).replace_extension(".zip.amf").string();
mz_zip_archive archive;
mz_zip_zero_struct(&archive);
if (!open_zip_writer(&archive, export_path)) return false;
std::stringstream stream;
// https://en.cppreference.com/w/cpp/types/numeric_limits/max_digits10
// Conversion of a floating-point value to text and back is exact as long as at least max_digits10 were used (9 for float, 17 for double).
// It is guaranteed to produce the same floating-point value, even though the intermediate text representation is not exact.
// The default value of std::stream precision is 6 digits only!
stream << std::setprecision(std::numeric_limits<float>::max_digits10);
stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
stream << "<amf unit=\"millimeter\">\n";
stream << "<metadata type=\"cad\">Slic3r " << SLIC3R_VERSION << "</metadata>\n";
stream << "<metadata type=\"" << SLIC3RPE_AMF_VERSION << "\">" << VERSION_AMF << "</metadata>\n";
if (config != nullptr)
{
std::string str_config = "\n";
for (const std::string &key : config->keys())
if (key != "compatible_printers")
str_config += "; " + key + " = " + config->opt_serialize(key) + "\n";
stream << "<metadata type=\"" << SLIC3R_CONFIG_TYPE << "\">" << xml_escape(str_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
stream << " <material id=\"" << material.first << "\">\n";
for (const auto &attr : material.second->attributes)
stream << " <metadata type=\"" << attr.first << "\">" << attr.second << "</metadata>\n";
for (const std::string &key : material.second->config.keys())
stream << " <metadata type=\"slic3r." << key << "\">" << material.second->config.opt_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];
stream << " <object id=\"" << object_id << "\">\n";
for (const std::string &key : object->config.keys())
stream << " <metadata type=\"slic3r." << key << "\">" << object->config.opt_serialize(key) << "</metadata>\n";
if (!object->name.empty())
stream << " <metadata type=\"name\">" << xml_escape(object->name) << "</metadata>\n";
const std::vector<double> &layer_height_profile = object->layer_height_profile;
if (layer_height_profile.size() >= 4 && (layer_height_profile.size() % 2) == 0) {
// Store the layer height profile as a single semicolon separated list.
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";
}
// Export layer height ranges including the layer range specific config overrides.
const t_layer_config_ranges& config_ranges = object->layer_config_ranges;
if (!config_ranges.empty())
{
// Store the layer config range as a single semicolon separated list.
stream << " <layer_config_ranges>\n";
size_t layer_counter = 0;
for (auto range : config_ranges) {
stream << " <range id=\"" << layer_counter << "\">\n";
stream << " <metadata type=\"slic3r.layer_height_range\">";
stream << range.first.first << ";" << range.first.second << "</metadata>\n";
for (const std::string& key : range.second.keys())
stream << " <metadata type=\"slic3r." << key << "\">" << range.second.opt_serialize(key) << "</metadata>\n";
stream << " </range>\n";
layer_counter++;
}
stream << " </layer_config_ranges>\n";
}
const std::vector<sla::SupportPoint>& sla_support_points = object->sla_support_points;
if (!sla_support_points.empty()) {
// Store the SLA supports as a single semicolon separated list.
stream << " <metadata type=\"slic3r.sla_support_points\">";
for (size_t i = 0; i < sla_support_points.size(); ++i) {
if (i != 0)
stream << ";";
stream << sla_support_points[i].pos(0) << ";" << sla_support_points[i].pos(1) << ";" << sla_support_points[i].pos(2) << ";" << sla_support_points[i].head_front_radius << ";" << sla_support_points[i].is_new_island;
}
stream << "\n </metadata>\n";
}
stream << " <mesh>\n";
stream << " <vertices>\n";
std::vector<int> vertices_offsets;
int num_vertices = 0;
for (ModelVolume *volume : object->volumes) {
vertices_offsets.push_back(num_vertices);
if (! volume->mesh().repaired)
throw std::runtime_error("store_amf() requires repair()");
if (! volume->mesh().has_shared_vertices())
throw std::runtime_error("store_amf() requires shared vertices");
const indexed_triangle_set &its = volume->mesh().its;
const Transform3d& matrix = volume->get_matrix();
for (size_t i = 0; i < its.vertices.size(); ++i) {
stream << " <vertex>\n";
stream << " <coordinates>\n";
Vec3f v = (matrix * its.vertices[i].cast<double>()).cast<float>();
stream << " <x>" << v(0) << "</x>\n";
stream << " <y>" << v(1) << "</y>\n";
stream << " <z>" << v(2) << "</z>\n";
stream << " </coordinates>\n";
stream << " </vertex>\n";
}
num_vertices += (int)its.vertices.size();
}
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())
stream << " <volume>\n";
else
stream << " <volume materialid=\"" << volume->material_id() << "\">\n";
for (const std::string &key : volume->config.keys())
stream << " <metadata type=\"slic3r." << key << "\">" << volume->config.opt_serialize(key) << "</metadata>\n";
if (!volume->name.empty())
stream << " <metadata type=\"name\">" << xml_escape(volume->name) << "</metadata>\n";
if (volume->is_modifier())
stream << " <metadata type=\"slic3r.modifier\">1</metadata>\n";
stream << " <metadata type=\"slic3r.volume_type\">" << ModelVolume::type_to_string(volume->type()) << "</metadata>\n";
stream << " <metadata type=\"slic3r.matrix\">";
const Transform3d& matrix = volume->get_matrix() * volume->source.transform.get_matrix();
stream << std::setprecision(std::numeric_limits<double>::max_digits10);
for (int r = 0; r < 4; ++r)
{
for (int c = 0; c < 4; ++c)
{
stream << matrix(r, c);
if ((r != 3) || (c != 3))
stream << " ";
}
}
stream << "</metadata>\n";
if (!volume->source.input_file.empty())
{
std::string input_file = xml_escape(fullpath_sources ? volume->source.input_file : boost::filesystem::path(volume->source.input_file).filename().string());
stream << " <metadata type=\"slic3r.source_file\">" << input_file << "</metadata>\n";
stream << " <metadata type=\"slic3r.source_object_id\">" << volume->source.object_idx << "</metadata>\n";
stream << " <metadata type=\"slic3r.source_volume_id\">" << volume->source.volume_idx << "</metadata>\n";
stream << " <metadata type=\"slic3r.source_offset_x\">" << volume->source.mesh_offset(0) << "</metadata>\n";
stream << " <metadata type=\"slic3r.source_offset_y\">" << volume->source.mesh_offset(1) << "</metadata>\n";
stream << " <metadata type=\"slic3r.source_offset_z\">" << volume->source.mesh_offset(2) << "</metadata>\n";
}
stream << std::setprecision(std::numeric_limits<float>::max_digits10);
const indexed_triangle_set &its = volume->mesh().its;
for (size_t i = 0; i < its.indices.size(); ++i) {
stream << " <triangle>\n";
for (int j = 0; j < 3; ++j)
stream << " <v" << j + 1 << ">" << its.indices[i][j] + vertices_offset << "</v" << j + 1 << ">\n";
stream << " </triangle>\n";
}
stream << " </volume>\n";
}
stream << " </mesh>\n";
stream << " </object>\n";
if (!object->instances.empty()) {
for (ModelInstance *instance : object->instances) {
char buf[512];
sprintf(buf,
" <instance objectid=\"%zu\">\n"
" <deltax>%lf</deltax>\n"
" <deltay>%lf</deltay>\n"
" <deltaz>%lf</deltaz>\n"
" <rx>%lf</rx>\n"
" <ry>%lf</ry>\n"
" <rz>%lf</rz>\n"
" <scalex>%lf</scalex>\n"
" <scaley>%lf</scaley>\n"
" <scalez>%lf</scalez>\n"
" <mirrorx>%lf</mirrorx>\n"
" <mirrory>%lf</mirrory>\n"
" <mirrorz>%lf</mirrorz>\n"
" <printable>%d</printable>\n"
" </instance>\n",
object_id,
instance->get_offset(X),
instance->get_offset(Y),
instance->get_offset(Z),
instance->get_rotation(X),
instance->get_rotation(Y),
instance->get_rotation(Z),
instance->get_scaling_factor(X),
instance->get_scaling_factor(Y),
instance->get_scaling_factor(Z),
instance->get_mirror(X),
instance->get_mirror(Y),
instance->get_mirror(Z),
instance->printable);
//FIXME missing instance->scaling_factor
instances.append(buf);
}
}
}
if (! instances.empty()) {
stream << " <constellation id=\"1\">\n";
stream << instances;
stream << " </constellation>\n";
}
if (!model->custom_gcode_per_print_z.gcodes.empty())
{
std::string out = "";
pt::ptree tree;
pt::ptree& main_tree = tree.add("custom_gcodes_per_height", "");
for (const CustomGCode::Item& code : model->custom_gcode_per_print_z.gcodes)
{
pt::ptree& code_tree = main_tree.add("code", "");
// store custom_gcode_per_print_z gcodes information
code_tree.put("<xmlattr>.print_z" , code.print_z );
code_tree.put("<xmlattr>.type" , static_cast<int>(code.type));
code_tree.put("<xmlattr>.extruder" , code.extruder );
code_tree.put("<xmlattr>.color" , code.color );
code_tree.put("<xmlattr>.extra" , code.extra );
// add gcode field data for the old version of the PrusaSlicer
std::string gcode = code.type == CustomGCode::ColorChange ? config->opt_string("color_change_gcode") :
code.type == CustomGCode::PausePrint ? config->opt_string("pause_print_gcode") :
code.type == CustomGCode::Template ? config->opt_string("template_custom_gcode") :
code.type == CustomGCode::ToolChange ? "tool_change" : code.extra;
code_tree.put("<xmlattr>.gcode" , gcode );
}
pt::ptree& mode_tree = main_tree.add("mode", "");
// store mode of a custom_gcode_per_print_z
mode_tree.put("<xmlattr>.value",
model->custom_gcode_per_print_z.mode == CustomGCode::Mode::SingleExtruder ? CustomGCode::SingleExtruderMode :
model->custom_gcode_per_print_z.mode == CustomGCode::Mode::MultiAsSingle ?
CustomGCode::MultiAsSingleMode : CustomGCode::MultiExtruderMode);
if (!tree.empty())
{
std::ostringstream oss;
pt::write_xml(oss, tree);
out = oss.str();
size_t del_header_pos = out.find("<custom_gcodes_per_height");
if (del_header_pos != std::string::npos)
out.erase(out.begin(), out.begin() + del_header_pos);
// Post processing("beautification") of the output string
boost::replace_all(out, "><code", ">\n <code");
boost::replace_all(out, "><mode", ">\n <mode");
boost::replace_all(out, "><", ">\n<");
stream << out << "\n";
}
}
stream << "</amf>\n";
std::string internal_amf_filename = boost::ireplace_last_copy(boost::filesystem::path(export_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))
{
close_zip_writer(&archive);
boost::filesystem::remove(export_path);
return false;
}
if (!mz_zip_writer_finalize_archive(&archive))
{
close_zip_writer(&archive);
boost::filesystem::remove(export_path);
return false;
}
close_zip_writer(&archive);
return true;
}
}; // namespace Slic3r
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