AuroraMiddleware/harfbuzz
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Implement to_float and set_float of F2DOT14 (#984)

Browse Source
This commit is contained in:
Ebrahim Byagowi 2018-04-15 22:08:50 +04:30 committed by GitHub
parent 435b1878e7
commit ce99dd04de
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/hb-open-type-private.hh
View File

@ -683,15 +683,17 @@ typedef HBUINT16 UFWORD;
/* 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: