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initial commit. This is icculus version 5542b94cae02a6333845854bbbd1abe0a259f1a4

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fgenesis 2011-08-03 22:05:33 +02:00
commit 3096eaf5e2
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105
ExternalLibs/FTGL/src/FTSize.cpp Normal file
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#include "FTSize.h"
FTSize::FTSize()
: ftFace(0),
ftSize(0),
size(0),
xResolution(0),
yResolution(0),
err(0)
{}
FTSize::~FTSize()
{}
bool FTSize::CharSize( FT_Face* face, unsigned int pointSize, unsigned int xRes, unsigned int yRes )
{
if( size != pointSize || xResolution != xRes || yResolution != yRes)
{
err = FT_Set_Char_Size( *face, 0L, pointSize * 64, xResolution, yResolution);
if( !err)
{
ftFace = face;
size = pointSize;
xResolution = xRes;
yResolution = yRes;
ftSize = (*ftFace)->size;
}
else
{
ftFace = 0;
size = 0;
xResolution = 0;
yResolution = 0;
ftSize = 0;
}
}
return !err;
}
unsigned int FTSize::CharSize() const
{
return size;
}
float FTSize::Ascender() const
{
return ftSize == 0 ? 0.0f : static_cast<float>( ftSize->metrics.ascender) / 64.0f;
}
float FTSize::Descender() const
{
return ftSize == 0 ? 0.0f : static_cast<float>( ftSize->metrics.descender) / 64.0f;
}
float FTSize::Height() const
{
if( 0 == ftSize)
{
return 0.0f;
}
if( FT_IS_SCALABLE((*ftFace)))
{
return ( (*ftFace)->bbox.yMax - (*ftFace)->bbox.yMin) * ( (float)ftSize->metrics.y_ppem / (float)(*ftFace)->units_per_EM);
}
else
{
return static_cast<float>( ftSize->metrics.height) / 64.0f;
}
}
float FTSize::Width() const
{
if( 0 == ftSize)
{
return 0.0f;
}
if( FT_IS_SCALABLE((*ftFace)))
{
return ( (*ftFace)->bbox.xMax - (*ftFace)->bbox.xMin) * ( static_cast<float>(ftSize->metrics.x_ppem) / static_cast<float>((*ftFace)->units_per_EM));
}
else
{
return static_cast<float>( ftSize->metrics.max_advance) / 64.0f;
}
}
float FTSize::Underline() const
{
return 0.0f;
}