ImFontStackData.hsc

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

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

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

import Control.Exception (bracket_)
import DearImGui.Raw.ImFont (ImFont)
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" "ImFontStackData" #-} ImFontStackData = ImFontStackData
  { font :: Ptr ImFont
  , fontSizeBeforeScaling :: Float
  , fontSizeAfterScaling :: Float
  }
  deriving (Eq, Show)
instance Storable ImFontStackData where
  sizeOf _    = #{size ImFontStackData}
  alignment _ = #{alignment ImFontStackData}
  peek p = ImFontStackData <$> #{peek ImFontStackData, Font} p <*> #{peek ImFontStackData, FontSizeBeforeScaling} p <*> #{peek ImFontStackData, FontSizeAfterScaling} p
  poke p v = do
    #{poke ImFontStackData, Font} p v.font
    #{poke ImFontStackData, FontSizeBeforeScaling} p v.fontSizeBeforeScaling
    #{poke ImFontStackData, FontSizeAfterScaling} p v.fontSizeAfterScaling

instance HasField "font" (Ptr ImFontStackData) (Ptr (Ptr ImFont)) where
  getField = #{ptr ImFontStackData, Font}

instance HasField "fontSizeBeforeScaling" (Ptr ImFontStackData) (Ptr Float) where
  getField = #{ptr ImFontStackData, FontSizeBeforeScaling}

instance HasField "fontSizeAfterScaling" (Ptr ImFontStackData) (Ptr Float) where
  getField = #{ptr ImFontStackData, FontSizeAfterScaling}

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

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

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