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SoState.h
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#ifndef COIN_SOSTATE_H
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#define COIN_SOSTATE_H
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/**************************************************************************\
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* Copyright (c) Kongsberg Oil & Gas Technologies AS
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* All rights reserved.
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*
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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
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* met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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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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*
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* Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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\**************************************************************************/
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#include <Inventor/SbBasic.h>
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#include <stdio.h>
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#include <assert.h>
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class
SoAction
;
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class
SoTypeList
;
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class
SoElement
;
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class
COIN_DLL_API
SoState
{
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public
:
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SoState
(
SoAction
* action,
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const
SoTypeList
& enabledelements);
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~
SoState
(
void
);
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SoAction
* getAction(
void
)
const
;
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SoElement
* getElement(
const
int
stackindex);
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const
SoElement
* getConstElement(
const
int
stackindex)
const
;
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void
push(
void
);
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void
pop(
void
);
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void
print(FILE *
const
file = stdout)
const
;
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SbBool isElementEnabled(
const
int
stackindex)
const
;
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int
getDepth(
void
)
const
;
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void
setCacheOpen(
const
SbBool flag);
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SbBool isCacheOpen(
void
)
const
;
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SoElement
* getElementNoPush(
const
int
stackindex)
const
;
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private
:
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SoElement
** stack;
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int
numstacks;
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SbBool cacheopen;
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class
SoStateP * pimpl;
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};
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// these methods are used very often, and is therefore inlined
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inline
SbBool
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SoState::isElementEnabled
(
const
int
stackindex)
const
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{
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return
(stackindex < this->numstacks) && (this->stack[stackindex] != NULL);
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}
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inline
const
SoElement
*
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SoState::getConstElement
(
const
int
stackindex)
const
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{
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assert(this->
isElementEnabled
(stackindex));
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return
this->stack[stackindex];
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}
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inline
SbBool
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SoState::isCacheOpen
(
void
)
const
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{
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return
this->cacheopen;
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}
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inline
SoElement
*
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SoState::getElementNoPush(
const
int
stackindex)
const
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{
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assert(this->
isElementEnabled
(stackindex));
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return
this->stack[stackindex];
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}
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#endif // !COIN_SOSTATE_H
Copyright © by
Kongsberg Oil & Gas Technologies
. All rights reserved.
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