ImDrawCmdHeader.hsc

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

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

module DearImGui.Raw.ImDrawCmdHeader
  ( ImDrawCmdHeader (..)
  , destroy
  , init
  , withDefault
  ) where

import Control.Exception (bracket_)
import DearImGui.Raw.ImTextureRef (ImTextureRef)
import DearImGui.Raw.ImVec4 (ImVec4)
import Foreign.C.Types
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.h"

-- structs (opaque)

data {-# CTYPE "dcimgui_nodefaultargfunctions.h" "ImDrawCmdHeader" #-} ImDrawCmdHeader = ImDrawCmdHeader
  { clipRect :: ImVec4
  , texRef :: ImTextureRef
  , vtxOffset :: CUInt
  }
  deriving (Eq, Show)
instance Storable ImDrawCmdHeader where
  sizeOf _    = #{size ImDrawCmdHeader}
  alignment _ = #{alignment ImDrawCmdHeader}
  peek p = ImDrawCmdHeader <$> #{peek ImDrawCmdHeader, ClipRect} p <*> #{peek ImDrawCmdHeader, TexRef} p <*> #{peek ImDrawCmdHeader, VtxOffset} p
  poke p v = do
    #{poke ImDrawCmdHeader, ClipRect} p v.clipRect
    #{poke ImDrawCmdHeader, TexRef} p v.texRef
    #{poke ImDrawCmdHeader, VtxOffset} p v.vtxOffset

instance HasField "clipRect" (Ptr ImDrawCmdHeader) (Ptr ImVec4) where
  getField = #{ptr ImDrawCmdHeader, ClipRect}

instance HasField "texRef" (Ptr ImDrawCmdHeader) (Ptr ImTextureRef) where
  getField = #{ptr ImDrawCmdHeader, TexRef}

instance HasField "vtxOffset" (Ptr ImDrawCmdHeader) (Ptr CUInt) where
  getField = #{ptr ImDrawCmdHeader, VtxOffset}

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

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

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