lumiera_/src/steam/mobject/builder/toolfactory.cpp

101 lines
2.8 KiB
C++

/*
ToolFactory - supply of Tool implementations for the Builder
Copyright (C) Lumiera.org
2008, Hermann Vosseler <Ichthyostega@web.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
/** @file toolfactory.cpp
** Implementation of factory functions for the tools used within the Builder
** @todo stalled design draft from 2008 -- basically still considered relevant as of 2016
*/
#include "steam/mobject/builder/toolfactory.hpp"
#include "lib/util.hpp"
#include <memory>
namespace steam {
namespace mobject {
namespace builder {
using util::isnil;
using std::unique_ptr;
struct BuildProcessState
{
session::Fixture & fixedTimeline_;
unique_ptr<engine::RenderGraph> procSegment_;
unique_ptr<SegmentationTool> segmentation_;
unique_ptr<NodeCreatorTool> fabrication_;
BuildProcessState (session::Fixture& theTimeline)
: fixedTimeline_(theTimeline),
procSegment_(new engine::RenderGraph())
{ }
};
ToolFactory::ToolFactory (session::Fixture& theFixture)
: state_(new BuildProcessState (theFixture))
{
ENSURE (state_->fixedTimeline_.isValid());
ENSURE (state_->procSegment_.get());
}
SegmentationTool &
ToolFactory::configureSegmentation ()
{
REQUIRE (state_->fixedTimeline_.isValid());
REQUIRE (state_->procSegment_.get());
state_->segmentation_.reset (new SegmentationTool (state_->fixedTimeline_));
return *(state_->segmentation_);
}
NodeCreatorTool &
ToolFactory::configureFabrication () //////////////////////TODO: should iterate in some way!
{
REQUIRE (state_->procSegment_.get());
REQUIRE (!isnil (*(state_->segmentation_)));
state_->fabrication_.reset (new NodeCreatorTool(*this, *state_->procSegment_));
return *(state_->fabrication_);
}
engine::RenderGraph&
ToolFactory::getProduct ()
{
state_->segmentation_.reset(0);
state_->fabrication_.reset(0);
UNIMPLEMENTED ("anything regarding the fixture and build process....");
return *state_->procSegment_;
}
}}} // namespace steam::mobject::builder