/* === S Y N F I G ========================================================= */
/*! \file synfig/rendering/common/task/tasktransformation.h
** \brief TaskTransformation Header
**
** $Id$
**
** \legal
** ......... ... 2015-2018 Ivan Mahonin
**
** This package 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 package 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.
** \endlegal
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_RENDERING_TASKTRANSFORMATION_H
#define __SYNFIG_RENDERING_TASKTRANSFORMATION_H
/* === H E A D E R S ======================================================= */
#include "../../task.h"
#include "../../primitive/transformationaffine.h"
/* === M A C R O S ========================================================= */
/* === T Y P E D E F S ===================================================== */
/* === C L A S S E S & S T R U C T S ======================================= */
namespace synfig
{
namespace rendering
{
//! Interface for tasks which works identically while placed before or after transformation
class TaskInterfaceTransformationPass
{
public:
virtual ~TaskInterfaceTransformationPass() { }
};
class TaskInterfaceTransformation
{
public:
virtual ~TaskInterfaceTransformation() { }
virtual Transformation::Handle get_transformation() const
{ return Transformation::Handle(); }
};
class TaskTransformation: public Task, public TaskInterfaceTransformation
{
public:
typedef etl::handle<TaskTransformation> Handle;
static Token token;
virtual Token::Handle get_token() const { return token.handle(); }
Color::Interpolation interpolation;
Vector supersample;
TaskTransformation();
//! returns true then task just do transformation of first sub-task only
//! without supersampling and any drawings.
//! so this task may be fully merged into other suitable transformation task
virtual bool is_simple() const;
virtual int get_pass_subtask_index() const;
const Task::Handle& sub_task() const { return Task::sub_task(0); }
Task::Handle& sub_task() { return Task::sub_task(0); }
virtual Rect calc_bounds() const;
virtual void set_coords_sub_tasks();
};
class TaskTransformationAffine: public TaskTransformation
{
public:
typedef etl::handle<TaskTransformationAffine> Handle;
static Token token;
virtual Token::Handle get_token() const { return token.handle(); }
Holder<TransformationAffine> transformation;
virtual Transformation::Handle get_transformation() const
{ return transformation.handle(); }
virtual int get_pass_subtask_index() const;
};
} /* end namespace rendering */
} /* end namespace synfig */
/* -- E N D ----------------------------------------------------------------- */
#endif