Implement to_float and set_float of F2DOT14 (#984)
diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index 38c5613..623d0b2 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -683,15 +683,17 @@
/* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */
struct F2DOT14 : HBINT16
{
- //inline float to_float (void) const { return ???; }
- //inline void set_float (float f) { v.set (f * ???); }
+ // 16384 means 1<<14
+ inline float to_float (void) const { return ((int32_t) v) / 16384.0; }
+ inline void set_float (float f) { v.set (f * 16384.0); }
public:
DEFINE_SIZE_STATIC (2);
};
/* 32-bit signed fixed-point number (16.16). */
-struct Fixed: HBINT32
+struct Fixed : HBINT32
{
+ // 65536 means 1<<16
inline float to_float (void) const { return ((int32_t) v) / 65536.0; }
inline void set_float (float f) { v.set (round (f * 65536.0)); }
public:
