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TriangleSelector: 3MF loading and saving

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This commit is contained in:
Lukas Matena 2020-07-24 16:53:05 +02:00
parent 7ddb64783b
commit 248fba82a4
4 changed files with 78 additions and 0 deletions
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17
src/libslic3r/Format/3mf.cpp
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@ -86,6 +86,7 @@ const char* OBJECTID_ATTR = "objectid";
const char* TRANSFORM_ATTR = "transform";
const char* PRINTABLE_ATTR = "printable";
const char* INSTANCESCOUNT_ATTR = "instances_count";
const char* CUSTOM_SUPPORTS_ATTR = "slic3rpe:custom_supports";
const char* KEY_ATTR = "key";
const char* VALUE_ATTR = "value";
@ -283,6 +284,7 @@ namespace Slic3r {
{
std::vector<float> vertices;
std::vector<unsigned int> triangles;
std::vector<std::string> custom_supports;
bool empty()
{
@ -293,6 +295,7 @@ namespace Slic3r {
{
vertices.clear();
triangles.clear();
custom_supports.clear();
}
};
@ -1539,6 +1542,8 @@ namespace Slic3r {
m_curr_object.geometry.triangles.push_back((unsigned int)get_attribute_value_int(attributes, num_attributes, V1_ATTR));
m_curr_object.geometry.triangles.push_back((unsigned int)get_attribute_value_int(attributes, num_attributes, V2_ATTR));
m_curr_object.geometry.triangles.push_back((unsigned int)get_attribute_value_int(attributes, num_attributes, V3_ATTR));
m_curr_object.geometry.custom_supports.push_back(get_attribute_value_string(attributes, num_attributes, CUSTOM_SUPPORTS_ATTR));
return true;
}
@ -1872,6 +1877,13 @@ namespace Slic3r {
volume->source.transform = Slic3r::Geometry::Transformation(volume_matrix_to_object);
volume->calculate_convex_hull();
// recreate custom supports from previously loaded attribute
assert(geometry.custom_supports.size() == triangles_count);
for (unsigned i=0; i<triangles_count; ++i) {
if (! geometry.custom_supports[i].empty())
volume->m_supported_facets.set_triangle_from_string(i, geometry.custom_supports[i]);
}
// apply the remaining volume's metadata
for (const Metadata& metadata : volume_data.metadata)
{
@ -2383,6 +2395,11 @@ namespace Slic3r {
{
stream << "v" << j + 1 << "=\"" << its.indices[i][j] + volume_it->second.first_vertex_id << "\" ";
}
std::string custom_supports_data_string = volume->m_supported_facets.get_triangle_as_string(i);
if (! custom_supports_data_string.empty())
stream << CUSTOM_SUPPORTS_ATTR << "=\"" << custom_supports_data_string << "\" ";
stream << "/>\n";
}
}