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dear-imgui-raw-internal-1.0.0: src/DearImGui/Raw/Internal/ImGuiColorMod.hsc

{-# LANGUAGE CApiFFI #-}
{-# LANGUAGE PatternSynonyms #-}

-- This file was generated by dear-bindings-ffi. Do not edit by hand.

module DearImGui.Raw.Internal.ImGuiColorMod
  ( ImGuiColorMod (..)
  , destroy
  , init
  , withDefault
  ) where

import Control.Exception (bracket_)
import DearImGui.Raw.Enums.ImGuiCol (ImGuiCol)
import DearImGui.Raw.ImVec4 (ImVec4)
import Foreign.Marshal.Alloc (alloca)
import Foreign.Ptr (Ptr, plusPtr)
import Foreign.Storable (Storable (..))
import GHC.Records (HasField (..))
import Prelude hiding (init)

#include "dcimgui_nodefaultargfunctions_internal.h"

-- structs (opaque)

data {-# CTYPE "dcimgui_nodefaultargfunctions_internal.h" "ImGuiColorMod" #-} ImGuiColorMod = ImGuiColorMod
  { col :: ImGuiCol
  , backupValue :: ImVec4
  }
  deriving (Eq, Show)
instance Storable ImGuiColorMod where
  sizeOf _    = #{size ImGuiColorMod}
  alignment _ = #{alignment ImGuiColorMod}
  peek p = ImGuiColorMod <$> #{peek ImGuiColorMod, Col} p <*> #{peek ImGuiColorMod, BackupValue} p
  poke p v = do
    #{poke ImGuiColorMod, Col} p v.col
    #{poke ImGuiColorMod, BackupValue} p v.backupValue

instance HasField "col" (Ptr ImGuiColorMod) (Ptr ImGuiCol) where
  getField = #{ptr ImGuiColorMod, Col}

instance HasField "backupValue" (Ptr ImGuiColorMod) (Ptr ImVec4) where
  getField = #{ptr ImGuiColorMod, BackupValue}

foreign import capi unsafe "DearImGuiWrappers.h ImGuiColorMod_Init_wrap"
  init
    :: Ptr ImGuiColorMod
    -> IO ()

foreign import capi unsafe "DearImGuiWrappers.h ImGuiColorMod_Destroy_wrap"
  destroy
    :: Ptr ImGuiColorMod
    -> IO ()

withDefault :: (Ptr ImGuiColorMod -> IO a) -> IO a
withDefault k = alloca $ \p -> bracket_ (init p) (destroy p) (k p)