from ctypes import c_int
from .dll import _bind

__all__ = [
    # Enums
    "SDL_BlendMode",
    "SDL_BLENDMODE_NONE", "SDL_BLENDMODE_BLEND", "SDL_BLENDMODE_ADD",
    "SDL_BLENDMODE_MOD", "SDL_BLENDMODE_MUL", "SDL_BLENDMODE_INVALID",

    "SDL_BlendOperation",
    "SDL_BLENDOPERATION_ADD", "SDL_BLENDOPERATION_SUBTRACT",
    "SDL_BLENDOPERATION_REV_SUBTRACT", "SDL_BLENDOPERATION_MINIMUM",
    "SDL_BLENDOPERATION_MAXIMUM",

    "SDL_BlendFactor",
    "SDL_BLENDFACTOR_ZERO", "SDL_BLENDFACTOR_ONE",
    "SDL_BLENDFACTOR_SRC_COLOR", "SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR",
    "SDL_BLENDFACTOR_SRC_ALPHA", "SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA",
    "SDL_BLENDFACTOR_DST_COLOR", "SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR",
    "SDL_BLENDFACTOR_DST_ALPHA", "SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA", 

    # Functions
    "SDL_ComposeCustomBlendMode"
]


SDL_BlendMode = c_int

SDL_BLENDMODE_NONE = 0x00000000
SDL_BLENDMODE_BLEND = 0x00000001
SDL_BLENDMODE_ADD = 0x00000002
SDL_BLENDMODE_MOD = 0x00000004
SDL_BLENDMODE_MUL = 0x00000008
SDL_BLENDMODE_INVALID = 0x7FFFFFFF


SDL_BlendOperation = c_int

SDL_BLENDOPERATION_ADD = 0x1
SDL_BLENDOPERATION_SUBTRACT = 0x2
SDL_BLENDOPERATION_REV_SUBTRACT = 0x3
SDL_BLENDOPERATION_MINIMUM = 0x4
SDL_BLENDOPERATION_MAXIMUM = 0x5


SDL_BlendFactor = c_int

SDL_BLENDFACTOR_ZERO                = 0x1
SDL_BLENDFACTOR_ONE                 = 0x2
SDL_BLENDFACTOR_SRC_COLOR           = 0x3
SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR = 0x4
SDL_BLENDFACTOR_SRC_ALPHA           = 0x5
SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA = 0x6
SDL_BLENDFACTOR_DST_COLOR           = 0x7
SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR = 0x8
SDL_BLENDFACTOR_DST_ALPHA           = 0x9
SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA = 0xA


SDL_ComposeCustomBlendMode = _bind("SDL_ComposeCustomBlendMode", [SDL_BlendFactor, SDL_BlendFactor, SDL_BlendOperation, SDL_BlendFactor, SDL_BlendFactor, SDL_BlendOperation], SDL_BlendMode, added='2.0.6')