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));
}
k3d::bool_t render(k3d::inetwork_render_frame& Frame, const k3d::filesystem::path& RIB)
{
k3d::inetwork_render_frame::environment environment;
k3d::inetwork_render_frame::arguments arguments;
arguments.push_back(k3d::inetwork_render_frame::argument(RIB.native_filesystem_string()));
Frame.add_exec_command("air", environment, arguments);
return true;
}
k3d::bool_t compile_shader(const k3d::filesystem::path& Shader)
{
// Compute some paths that will be used by the compiler ...
const k3d::filesystem::path shader_source_path = Shader;
const k3d::filesystem::path shader_binary_path = k3d::shader_cache_path() / k3d::filesystem::generic_path(k3d::filesystem::replace_extension(Shader, ".slb").leaf());
const k3d::filesystem::path shader_source_directory = Shader.branch_path();
const k3d::filesystem::path global_source_directory = k3d::share_path() / k3d::filesystem::generic_path("shaders");
if(k3d::filesystem::up_to_date(shader_source_path, shader_binary_path))
return true;
std::ostringstream command_line;
command_line << "shaded";
command_line << " -I\"" << shader_source_directory.native_filesystem_string() << "\"";
command_line << " -I\"" << global_source_directory.native_filesystem_string() << "\"";
command_line << " -o \"" << shader_binary_path.native_filesystem_string() << "\"";
command_line << " \"" << shader_source_path.native_filesystem_string() << "\"";
// Make it happen ...
return_val_if_fail(k3d::system::spawn_sync(command_line.str()), false);
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;
}