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Preliminary support for mixed percent and linear declarations

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-01-05 19:38:11 +01:00
parent 9a17588459
commit b9da170080
4 changed files with 117 additions and 165 deletions
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58
include/grub/gui.h
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@ -75,62 +75,50 @@ struct grub_gui_list_ops
grub_gfxmenu_model_t menu);
};
typedef grub_uint32_t grub_fixed_unsigned_t;
typedef signed grub_fixed_signed_t;
#define GRUB_FIXED_1 0x10000
static inline unsigned
grub_fixed_ufu_divide (grub_uint32_t a, grub_fixed_unsigned_t b)
static inline signed
grub_fixed_sfs_divide (signed a, grub_fixed_signed_t b)
{
return (a << 16) / b;
return (a * GRUB_FIXED_1) / b;
}
static inline grub_fixed_unsigned_t
grub_fixed_fuf_divide (grub_fixed_unsigned_t a, grub_uint32_t b)
static inline grub_fixed_signed_t
grub_fixed_fsf_divide (grub_fixed_signed_t a, signed b)
{
return a / b;
}
static inline unsigned
grub_fixed_ufu_multiply (grub_uint32_t a, grub_fixed_unsigned_t b)
static inline signed
grub_fixed_sfs_multiply (signed a, grub_fixed_signed_t b)
{
return (a * b) >> 16;
return (a * b) / GRUB_FIXED_1;
}
static inline unsigned
grub_fixed_to_unsigned (grub_fixed_unsigned_t in)
static inline signed
grub_fixed_to_signed (grub_fixed_signed_t in)
{
return in >> 16;
return in / GRUB_FIXED_1;
}
static inline grub_fixed_unsigned_t
grub_unsigned_to_fixed (unsigned in)
static inline grub_fixed_signed_t
grub_signed_to_fixed (signed in)
{
return in << 16;
return in * GRUB_FIXED_1;
}
struct grub_gui_component
{
struct grub_gui_component_ops *ops;
int isxfrac:1;
int isyfrac:1;
int iswfrac:1;
int ishfrac:1;
union {
unsigned x;
grub_fixed_unsigned_t xfrac;
};
union {
unsigned y;
grub_fixed_unsigned_t yfrac;
};
union {
unsigned w;
grub_fixed_unsigned_t wfrac;
};
union {
unsigned h;
grub_fixed_unsigned_t hfrac;
};
signed x;
grub_fixed_signed_t xfrac;
signed y;
grub_fixed_signed_t yfrac;
signed w;
grub_fixed_signed_t wfrac;
signed h;
grub_fixed_signed_t hfrac;
};
struct grub_gui_container