Kent Mein
26f63bfa19
need to be tweaks but it seems to work on my linux box. I haven't touched any of the other build systems so those will need to be done. We probably don't need all of this stuff but I figured better to add a little too much then to little. Kent
106 lines
1.8 KiB
C++
Executable File
106 lines
1.8 KiB
C++
Executable File
#include "FTSize.h"
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FTSize::FTSize()
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: ftFace(0),
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ftSize(0),
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size(0),
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err(0)
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{}
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FTSize::~FTSize()
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{}
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bool FTSize::CharSize( FT_Face* face, unsigned int point_size, unsigned int x_resolution, unsigned int y_resolution )
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{
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err = FT_Set_Char_Size( *face, 0L, point_size * 64, x_resolution, y_resolution);
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if( !err)
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{
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ftFace = face;
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size = point_size;
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ftSize = (*ftFace)->size;
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}
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else
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{
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ftFace = 0;
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size = 0;
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ftSize = 0;
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}
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return !err;
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}
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unsigned int FTSize::CharSize() const
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{
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return size;
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}
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float FTSize::Ascender() const
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{
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return ftSize == 0 ? 0.0f : static_cast<float>( ftSize->metrics.ascender) / 64.0f;
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}
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float FTSize::Descender() const
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{
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return ftSize == 0 ? 0.0f : static_cast<float>( ftSize->metrics.descender) / 64.0f;
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}
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float FTSize::Height() const
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{
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if( 0 == ftSize)
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{
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return 0.0f;
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}
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if( FT_IS_SCALABLE((*ftFace)))
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{
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return ( (*ftFace)->bbox.yMax - (*ftFace)->bbox.yMin) * ( (float)ftSize->metrics.y_ppem / (float)(*ftFace)->units_per_EM);
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}
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else
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{
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return static_cast<float>( ftSize->metrics.height) / 64.0f;
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}
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}
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float FTSize::Width() const
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{
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if( 0 == ftSize)
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{
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return 0.0f;
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}
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if( FT_IS_SCALABLE((*ftFace)))
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{
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return ( (*ftFace)->bbox.xMax - (*ftFace)->bbox.xMin) * ( static_cast<float>(ftSize->metrics.x_ppem) / static_cast<float>((*ftFace)->units_per_EM));
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}
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else
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{
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return static_cast<float>( ftSize->metrics.max_advance) / 64.0f;
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}
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}
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float FTSize::Underline() const
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{
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return 0.0f;
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}
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unsigned int FTSize::XPixelsPerEm() const
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{
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return ftSize == 0 ? 0 : ftSize->metrics.x_ppem;
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}
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unsigned int FTSize::YPixelsPerEm() const
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{
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return ftSize == 0 ? 0 : ftSize->metrics.y_ppem;
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}
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