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MyGUIEngine
include
MyGUI_CoordConverter.h
Go to the documentation of this file.
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_COORD_CONVERTER_H__
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#define __MYGUI_COORD_CONVERTER_H__
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#include "
MyGUI_Prerequest.h
"
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#include "
MyGUI_Types.h
"
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namespace
MyGUI
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{
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class
MYGUI_EXPORT
CoordConverter
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{
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public
:
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static
FloatRect
convertTextureCoord(
const
IntCoord
& _coord,
const
IntSize
& _textureSize)
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{
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if
(!_textureSize.
width
|| !_textureSize.
height
)
return
FloatRect
();
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return
FloatRect
(
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(
float
)_coord.
left
/ (
float
)_textureSize.
width
,
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(
float
)_coord.
top
/ (
float
)_textureSize.
height
,
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(
float
)_coord.
right
() / (float)_textureSize.
width
,
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(
float
)_coord.
bottom
() / (float)_textureSize.
height
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);
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}
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/* Convert from relative to pixel coordinates.
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@param _coord relative coordinates.
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*/
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static
IntCoord
convertFromRelative(
const
FloatCoord
& _coord,
const
IntSize
& _view)
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{
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return
IntCoord
(
int
(_coord.
left
* _view.
width
),
int
(_coord.
top
* _view.
height
),
int
(_coord.
width
* _view.
width
),
int
(_coord.
height
* _view.
height
));
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}
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/* Convert from relative to pixel coordinates.
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@param _coord relative coordinates.
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*/
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static
IntSize
convertFromRelative(
const
FloatSize
& _size,
const
IntSize
& _view)
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{
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return
IntSize
(
int
(_size.
width
* _view.
width
),
int
(_size.
height
* _view.
height
));
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}
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/* Convert from relative to pixel coordinates.
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@param _coord relative coordinates.
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*/
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static
IntPoint
convertFromRelative(
const
FloatPoint
& _point,
const
IntSize
& _view)
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{
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return
IntPoint
(
int
(_point.
left
* _view.
width
),
int
(_point.
top
* _view.
height
));
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}
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/* Convert from pixel to relative coordinates.
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@param _coord pixel coordinates.
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*/
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static
FloatCoord
convertToRelative(
const
IntCoord
& _coord,
const
IntSize
& _view)
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{
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return
FloatCoord
(_coord.
left
/ (
float
)_view.
width
, _coord.
top
/ (
float
)_view.
height
, _coord.
width
/ (
float
)_view.
width
, _coord.
height
/ (
float
)_view.
height
);
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}
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static
FloatSize
convertToRelative(
const
IntSize
& _size,
const
IntSize
& _view)
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{
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return
FloatSize
(_size.
width
/ (
float
)_view.
width
, _size.
height
/ (
float
)_view.
height
);
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}
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static
FloatPoint
convertToRelative(
const
IntPoint
& _point,
const
IntSize
& _view)
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{
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return
FloatPoint
(_point.
left
/ (
float
)_view.
width
, _point.
top
/ (
float
)_view.
height
);
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}
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};
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}
// namespace MyGUI
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#endif // __MYGUI_COORD_CONVERTER_H__
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1.8.1.2