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/*
* FTGL - OpenGL font library
*
* Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include "FTGL/FTLibrary.h"
#include "FTCleanup.h"
#include <stdexcept>
FTLibrary& FTLibrary::Instance()
{
static FTLibrary ftlib;
return ftlib;
}
FTLibrary::~FTLibrary()
{
FTCleanup::Instance()->DestroyAll();
if(library != 0)
{
FT_Done_FreeType(*library);
delete library;
library= 0;
}
}
FTLibrary::FTLibrary()
: library(0),
err(0),
LegacyOpenGLStateHandling(-1)
{
Initialise();
}
bool FTLibrary::Initialise()
{
if(library != 0)
return true;
library = new FT_Library;
err = FT_Init_FreeType(library);
if(err)
{
delete library;
library = 0;
return false;
}
FTCleanup::Instance();
return true;
}
void FTLibrary::LegacyOpenGLState(bool On)
{
int Old = LegacyOpenGLStateHandling.exchange(On);
if (Old >= 0 && Old != On)
throw std::logic_error
("FTGL: inconsistent LegacyOpenGLState setting, see README-LegacyOpenGLState");
}
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