1 files changed, 105 insertions, 0 deletions
diff --git a/extern/bFTGL/src/FTSize.cpp b/extern/bFTGL/src/FTSize.cpp
new file mode 100755
index 00000000000..5fb8ffba157
--- /dev/null
+++ b/extern/bFTGL/src/FTSize.cpp
@@ -0,0 +1,105 @@
+#include    "FTSize.h"
+
+
+FTSize::FTSize()
+:   ftFace(0),
+    ftSize(0),
+    size(0),
+    err(0)
+{}
+
+
+FTSize::~FTSize()
+{}
+
+
+bool FTSize::CharSize( FT_Face* face, unsigned int point_size, unsigned int x_resolution, unsigned int y_resolution )
+{
+    err = FT_Set_Char_Size( *face, 0L, point_size * 64, x_resolution, y_resolution);
+
+    if( !err)
+    {
+        ftFace = face;
+        size = point_size;
+        ftSize = (*ftFace)->size;
+    }
+    else
+    {
+        ftFace = 0;
+        size = 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;
+}
+
+unsigned int FTSize::XPixelsPerEm() const
+{
+    return ftSize == 0 ? 0 : ftSize->metrics.x_ppem;
+}
+
+unsigned int FTSize::YPixelsPerEm() const
+{
+    return ftSize == 0 ? 0 : ftSize->metrics.y_ppem;
+}
+