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import sys
from .dll import _bind, SDLFunc, AttributeDict
from ctypes import (
c_int, c_int8, c_uint8, c_int16, c_uint16, c_int32, c_uint32, c_int64,
c_uint64, c_size_t, c_void_p, c_char_p
)
# NOTE: Lots of functions in SDL_stdinc.h are not yet added here, but they're
# mostly for math and string operations that Python can do much more easily.
__all__ = [
# Defines
"Sint8", "Uint8", "Sint16", "Uint16", "Sint32", "Uint32",
"Sint64", "Uint64",
# Constants
"SDL_FLT_EPSILON",
# Enums
"SDL_bool",
"SDL_FALSE", "SDL_TRUE",
# Macro Functions
"SDL_min", "SDL_max", "SDL_clamp",
]
# Constants, enums, & typedefs
SDL_FLT_EPSILON = sys.float_info.epsilon
SDL_bool = c_int
SDL_FALSE = 0
SDL_TRUE = 1
Sint8 = c_int8
Uint8 = c_uint8
Sint16 = c_int16
Uint16 = c_uint16
Sint32 = c_int32
Uint32 = c_uint32
Sint64 = c_int64
Uint64 = c_uint64
# Macro & inline functions
SDL_min = min
SDL_max = max
def SDL_clamp(x, a, b):
if x < a:
return a
elif x > b:
return b
else:
return x
# Raw ctypes function definitions
_funcdefs = [
SDLFunc("SDL_malloc", [c_size_t], c_void_p),
SDLFunc("SDL_calloc", [c_size_t, c_size_t], c_void_p),
SDLFunc("SDL_realloc", [c_void_p, c_size_t], c_void_p),
SDLFunc("SDL_free", [c_void_p], None),
SDLFunc("SDL_getenv", [c_char_p], c_char_p),
SDLFunc("SDL_setenv", [c_char_p, c_char_p, c_int], c_int),
SDLFunc("SDL_abs", [c_int], c_int),
SDLFunc("SDL_memset", [c_void_p, c_int, c_size_t], c_void_p),
SDLFunc("SDL_memcpy", [c_void_p, c_void_p, c_size_t], c_void_p),
]
_ctypes = AttributeDict()
for f in _funcdefs:
_ctypes[f.name] = _bind(f.name, f.args, f.returns, f.added)
__all__.append(f.name) # Add all bound functions to module namespace
# Aliases for ctypes bindings
SDL_malloc = _ctypes["SDL_malloc"]
SDL_calloc = _ctypes["SDL_calloc"]
SDL_realloc = _ctypes["SDL_realloc"]
SDL_free = _ctypes["SDL_free"]
SDL_getenv = _ctypes["SDL_getenv"]
SDL_setenv = _ctypes["SDL_setenv"]
SDL_abs = _ctypes["SDL_abs"]
SDL_memset = _ctypes["SDL_memset"]
SDL_memcpy = _ctypes["SDL_memcpy"]
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