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Canvas.hpp
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/*
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Modified BSD License
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This file is a part of Math package and originates from:
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http://sf.net/projects/enjomitchsorbit
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Copyright (c) 2012, Szymon "Enjo" Ender
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the <organization> nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL SZYMON ENDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CANVAS_HPP_INCLUDED
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#define CANVAS_HPP_INCLUDED
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#include <vector>
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#include "../Systems/RectangleMy.hpp"
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#include "../Util/NonCopyable.hpp"
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#include "ScalePointFunctor.hpp"
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namespace
EnjoLib
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{
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class
Canvas
:
public
NonCopyable
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{
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public
:
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Canvas
();
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virtual
~
Canvas
();
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virtual
void
Center();
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virtual
void
AutoZoom();
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const
double
& GetZoom()
const
;
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const
Point
& GetRef()
const
;
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Point
GetPointNatural(
const
Point
& projected )
const
;
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Point
GetPointNatural(
int
x,
int
y )
const
;
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Point
GetPointProjected(
const
Point
& natural )
const
;
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Point
GetPointProjected(
int
x,
int
y )
const
;
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virtual
Point
GetWindowSize()
const
= 0;
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virtual
RectangleMy
GetDataSize()
const
= 0;
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virtual
RectangleMy
GetDataToDisplaySize()
const
= 0;
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protected
:
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void
ScalePointVector(
const
std::vector<Point> & in, std::vector<Point> * out )
const
;
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Point
ScalePoint(
const
Point
& p )
const
;
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double
CalculateAutoZoomValue()
const
;
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virtual
bool
IsSymmetricAround00()
const
= 0;
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virtual
void
RefreshClient() = 0;
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virtual
void
ScaleData
() = 0;
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double
m_zoom;
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Point
m_refSystem;
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ScalePointFunctor
m_scalePointFunctor;
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private
:
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};
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}
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#endif // CANVAS_HPP_INCLUDED
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