bool load_configuration_values(const k3d::filesystem::path& file_path, k3d::double_t& recursion, k3d::double_t& basic_angle, k3d::double_t& thickness)
{
// Open configuration file
k3d::filesystem::ifstream file(file_path);
if(!file.good())
{
k3d::log() << error << k3d_file_reference << ": error opening [" << file_path.native_console_string() << "]" << std::endl;
return 0.0;
}
// Get recursion level
std::string temp;
return_val_if_fail(ls_line(file, temp), false);
std::stringstream scan(temp);
scan >> recursion;
// Get asic angle
return_val_if_fail(ls_line(file, temp), false);
std::stringstream scan2(temp);
scan2 >> basic_angle;
// Get thickness
return_val_if_fail(ls_line(file, temp), false);
std::stringstream scan3(temp);
scan3 >> thickness;
return true;
}
template<typename ReaderT> void load_file(const k3d::filesystem::path& FilePath, const TCollection_ExtendedString& TypeName, implementation* Implementation)
{
ReaderT reader; // create a CAF reader, which supports reading attributes like shape names, colors, ...
reader.SetNameMode(true); // Make sure we read names
IFSelect_ReturnStatus status = reader.ReadFile(const_cast<char*>(FilePath.native_filesystem_string().c_str())); // Read the file
if(status != IFSelect_RetDone)
{
k3d::log() << error << k3d_file_reference << ": error opening [" << FilePath.native_console_string() << "]" << std::endl;
throw std::exception();
}
Implementation->xde_doc = new TDocStd_Document(TypeName); // initialise an empty document
if (!reader.Transfer(Implementation->xde_doc)) // attempt to transfer the STEP file contents to the document
{
k3d::log() << error << "Failed to transfer OpenCascade file" << std::endl;
throw std::exception();
}
if(!XCAFDoc_DocumentTool::IsXCAFDocument(Implementation->xde_doc)) // sanity check
{
k3d::log() << error << "Invalid document" << std::endl;
throw std::exception();
}
TDF_Label shaperoot = XCAFDoc_DocumentTool::ShapesLabel(Implementation->xde_doc->Main()); // get the root node for the geometric shapes
Implementation->shapes.push(TDF_ChildIterator(shaperoot));
}
const k3d::bool_t test_type(const k3d::string_t& TestExtension, const k3d::string_t& TestType, const k3d::filesystem::path& File, k3d::string_t& FileType)
{
if(TestExtension != k3d::filesystem::extension(File).lowercase().raw())
return false;
FileType = TestType;
k3d::log() << info << "Identified " << File.native_console_string() << " as " << FileType << " using " << get_factory().name() << std::endl;
return true;
}
bool read_file(const k3d::filesystem::path& Path, k3d::bitmap& Bitmap)
{
try
{
k3d::log() << info << "Reading " << Path.native_console_string() << " using " << get_factory().name() << std::endl;
boost::gil::read_and_convert_image(Path.native_filesystem_string(), Bitmap, boost::gil::jpeg_tag());
return true;
}
catch(std::exception& e)
{
k3d::log() << error << k3d_file_reference << ": caught exception: " << e.what() << std::endl;
return false;
}
catch(...)
{
k3d::log() << error << k3d_file_reference << ": caught unknown exception" << std::endl;
return false;
}
}
Glib::RefPtr<Gdk::Pixbuf> load_pixbuf(const k3d::filesystem::path& SharePath, const k3d::filesystem::path& Path)
{
Glib::RefPtr<Gdk::Pixbuf> result;
const k3d::filesystem::path path = SharePath / Path;
try
{
result = Gdk::Pixbuf::create_from_file(path.native_filesystem_string());
}
catch(Glib::Exception& e)
{
k3d::log() << error << e.what() << std::endl;
}
catch(std::exception& e)
{
k3d::log() << error << e.what() << std::endl;
}
catch(...)
{
k3d::log() << error << "Unknown exception loading [" << path.native_console_string() << "]" << std::endl;
}
return result;
}
/// Creates plugin factories at runtime based on the contents of a directory
void register_plugins(const k3d::filesystem::path& Path, k3d::iplugin_registry& Registry)
{
k3d::log() << info << "Loading scripts from " << Path.native_console_string() << std::endl;
boost::regex metadata_expression("((k3d|ngui|qtui):[^=]*)=\"([^\"]*)\"");
// There are very few SDK functions that can be safely called at this point in execution, but k3d::share_path() happens to be one of them ...
for(k3d::filesystem::directory_iterator script_path(Path); script_path != k3d::filesystem::directory_iterator(); ++script_path)
{
if(k3d::filesystem::is_directory(*script_path))
continue;
k3d::filesystem::ifstream script_file(*script_path);
std::stringstream script_stream;
script_stream << script_file.rdbuf();
k3d::string_t script = script_stream.str();
k3d::string_t plugin_class;
k3d::string_t plugin_type;
k3d::string_t plugin_name;
k3d::string_t plugin_description = _("Scripted Plugin.");
k3d::iplugin_factory::metadata_t plugin_metadata;
for(boost::sregex_iterator metadata(script.begin(), script.end(), metadata_expression); metadata != boost::sregex_iterator(); ++metadata)
{
const k3d::string_t name = (*metadata)[1].str();
const k3d::string_t value = (*metadata)[3].str();
if(name == "k3d:plugin-class")
plugin_class = value;
else if(name == "k3d:plugin-type")
{
plugin_type = value;
plugin_metadata.insert(std::make_pair(name, value));
}
else if(name == "k3d:plugin-name")
plugin_name = value;
else if(name == "k3d:plugin-description")
plugin_description = value;
else
plugin_metadata.insert(std::make_pair(name, value));
}
// Automatically disable documentation for all scripted plugins ...
plugin_metadata.insert(std::make_pair("k3d:disable-documentation", ""));
if(plugin_class.empty())
{
continue;
}
if(plugin_class != "application" && plugin_class != "document")
{
k3d::log() << error << "Script [" << script_path->native_console_string() << "] using unknown plugin class [" << plugin_class << "] will not be loaded" << std::endl;
continue;
}
if(plugin_type.empty())
{
k3d::log() << error << "Script [" << script_path->native_console_string() << "] without k3d:plugin-type property will not be loaded" << std::endl;
continue;
}
if(plugin_name.empty())
{
k3d::log() << error << "Script [" << script_path->native_console_string() << "] without k3d:plugin-name property will not be loaded" << std::endl;
continue;
}
if(plugin_class == "application")
{
k3d::iplugin_factory* const factory = new application_factory(
*script_path,
plugin_type,
k3d::uuid::random(),
plugin_name,
plugin_description,
"Scripts",
k3d::iplugin_factory::STABLE,
plugin_metadata);
Registry.register_factory(*factory);
}
else if(plugin_class == "document")
{
k3d::iplugin_factory* const factory = new document_factory(
*script_path,
plugin_type,
k3d::uuid::random(),
plugin_name,
plugin_description,
"Scripts",
k3d::iplugin_factory::STABLE,
plugin_metadata);
Registry.register_factory(*factory);
}
}
}
// Process a ls file and setup rules
bool load_configuration_rules(const k3d::double_t recursion, const k3d::double_t basic_angle, const k3d::double_t thickness, const k3d::filesystem::path& file_path)
{
// Open grammar file
k3d::filesystem::ifstream file(file_path);
if(!file.good())
{
k3d::log() << error << k3d_file_reference << ": error opening [" << file_path.native_console_string() << "]" << std::endl;
return false;
}
// Set default values
trope_set = false;
rand_set = false;
closed_form = false;
last_recur = false;
min_thick = 0.0; rand_amount = 0.0;
trope_amount = 0.0;
polcount = 0;
poly_limit = 500000L;
col = 2; last_col = 0;
tr = 0.2;
sky = k3d::vector3(0.0, 0.0, 1.0);
last = k3d::point3(1.0, 1.0, 1.0);
// Clear stacks
stack = std::stack<s_rec>();
pstack = std::stack<vectors_t>();
// Skip but setup recursion level, basic angle and thickness
std::string temp;
return_val_if_fail(ls_line(file, temp), false);
lev = (unsigned long)std::floor(recursion);
fraction = recursion - (k3d::double_t)lev;
if(fraction > 0)
lev++;
return_val_if_fail(ls_line(file, temp), false);
ang = basic_angle / 180 * 3.141592654;
return_val_if_fail(ls_line(file, temp), false);
thick = thickness / 100;
// Axiom
return_val_if_fail(ls_line(file, temp), false);
object_string = strtok(const_cast<char*>(temp.c_str()), " \r\n\t#");
// Get rules
rules.clear();
for(unsigned long i = 0; i < 150; i++)
{
return_val_if_fail(ls_line(file, temp), false);
std::string rule = strtok(const_cast<char*>(temp.c_str()), " \r\n\t#");
if(!rule.size())
continue;
if(rule[0] == '@')
break;
rules.push_back(rule);
}
// Add default rules
rules.push_back("+=+");
rules.push_back("-=-");
rules.push_back("&=&");
rules.push_back("^=^");
rules.push_back("<=<");
rules.push_back(">=>");
rules.push_back("%=%");
rules.push_back("|=|");
rules.push_back("!=!");
rules.push_back("?=?");
rules.push_back(":=:");
rules.push_back(";=;");
rules.push_back("\'=\'");
rules.push_back("\"=\"");
rules.push_back("c=c");
rules.push_back("[=[");
rules.push_back("]=]");
rules.push_back("{={");
rules.push_back("}=}");
rules.push_back("F=F");
rules.push_back("f=f");
rules.push_back("t=t");
rules.push_back("g=g");
rules.push_back("Z=Z");
rules.push_back("z=z");
rules.push_back("*=*");
rules.push_back("$=$");
rules.push_back("~=~");
rules.push_back(".=.");
rules.push_back("1=1");
rules.push_back("2=2");
rules.push_back("3=3");
rules.push_back("4=4");
rules.push_back("5=5");
rules.push_back("6=6");
rules.push_back("7=7");
rules.push_back("8=8");
rules.push_back("9=9");
rules.push_back("0=0");
rules.push_back("(=(");
rules.push_back(")=)");
// Closer default
rules.push_back("_=_");
// Set start values for F and Z distances
dis = 100.0;
dis2 = dis * 0.5;
// Get marks
marks.clear();
for(unsigned long n = 0; n < rules.size(); n++)
marks.push_back(false);
// Check which rules need to be marked for last recursion when growing
for(unsigned long n = 0; n < rules.size(); n++)
{
if(rules[n][0] == '+')
break;
marks[n] = true;
// All rules with basic move/block before '=' mark false
if(rules[n][0] == 'F')
marks[n] = false;
if(rules[n][0] == 'f')
marks[n] = false;
if(rules[n][0] == 'Z')
marks[n] = false;
if(rules[n][0] == 'z')
marks[n] = false;
}
return true;
}