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from ctypes import Union, Structure, c_char_p, c_uint, c_int
from ctypes import POINTER as _P
from .dll import _bind, SDLFunc, AttributeDict
from .stdinc import Uint8, Uint32, SDL_bool
from .pixels import SDL_Color
from .surface import SDL_Surface
from .video import SDL_Window
__all__ = [
# Structs & Unions
"SDL_WindowShapeParams", "SDL_WindowShapeMode",
# Defines
"SDL_NONSHAPEABLE_WINDOW", "SDL_INVALID_SHAPE_ARGUMENT",
"SDL_WINDOW_LACKS_SHAPE",
# Enums
"WindowShapeMode",
"ShapeModeDefault", "ShapeModeBinarizeAlpha",
"ShapeModeReverseBinarizeAlpha", "ShapeModeColorKey",
# Macro Functions
"SDL_SHAPEMODEALPHA",
]
# Constants & enums
SDL_NONSHAPEABLE_WINDOW = -1
SDL_INVALID_SHAPE_ARGUMENT = -2
SDL_WINDOW_LACKS_SHAPE = -3
WindowShapeMode = c_int
ShapeModeDefault = 0
ShapeModeBinarizeAlpha = 1
ShapeModeReverseBinarizeAlpha = 2
ShapeModeColorKey = 3
# Macros & inline functions
def SDL_SHAPEMODEALPHA(mode):
return ShapeModeDefault <= mode <= ShapeModeReverseBinarizeAlpha
# Struct definitions
class SDL_WindowShapeParams(Union):
_fields_ = [
("binarizationCutoff", Uint8),
("colorKey", SDL_Color),
]
class SDL_WindowShapeMode(Structure):
_fields_ = [
("mode", WindowShapeMode),
("parameters", SDL_WindowShapeParams),
]
# Raw ctypes function definitions
_funcdefs = [
SDLFunc("SDL_CreateShapedWindow",
[c_char_p, c_uint, c_uint, c_uint, c_uint, Uint32],
returns = _P(SDL_Window)
),
SDLFunc("SDL_IsShapedWindow", [_P(SDL_Window)], SDL_bool),
SDLFunc("SDL_SetWindowShape",
[_P(SDL_Window), _P(SDL_Surface), _P(SDL_WindowShapeMode)],
returns = c_int
),
SDLFunc("SDL_GetShapedWindowMode", [_P(SDL_Window), _P(SDL_WindowShapeMode)], c_int),
]
_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_CreateShapedWindow = _ctypes["SDL_CreateShapedWindow"]
SDL_IsShapedWindow = _ctypes["SDL_IsShapedWindow"]
SDL_SetWindowShape = _ctypes["SDL_SetWindowShape"]
SDL_GetShapedWindowMode = _ctypes["SDL_GetShapedWindowMode"]
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