ImFontAtlasRect.hsc

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

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

module DearImGui.Raw.ImFontAtlasRect
  ( Id
  , ImFontAtlasRect (..)
  , destroy
  , init
  , withDefault
  ) where

import Control.Exception (bracket_)
import DearImGui.Raw.ImVec2 (ImVec2)
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"

-- typedefs

-- | An opaque identifier to a rectangle in the atlas. -1 when invalid.
-- The rectangle may move and UV may be invalidated, use GetCustomRect() to retrieve it.
type Id = CInt

-- structs (opaque)

data {-# CTYPE "dcimgui_nodefaultargfunctions.h" "ImFontAtlasRect" #-} ImFontAtlasRect = ImFontAtlasRect
  { x :: CUShort
  , y :: CUShort
  , w :: CUShort
  , h :: CUShort
  , uv0 :: ImVec2
  , uv1 :: ImVec2
  }
  deriving (Eq, Show)
instance Storable ImFontAtlasRect where
  sizeOf _    = #{size ImFontAtlasRect}
  alignment _ = #{alignment ImFontAtlasRect}
  peek p = ImFontAtlasRect <$> #{peek ImFontAtlasRect, x} p <*> #{peek ImFontAtlasRect, y} p <*> #{peek ImFontAtlasRect, w} p <*> #{peek ImFontAtlasRect, h} p <*> #{peek ImFontAtlasRect, uv0} p <*> #{peek ImFontAtlasRect, uv1} p
  poke p v = do
    #{poke ImFontAtlasRect, x} p v.x
    #{poke ImFontAtlasRect, y} p v.y
    #{poke ImFontAtlasRect, w} p v.w
    #{poke ImFontAtlasRect, h} p v.h
    #{poke ImFontAtlasRect, uv0} p v.uv0
    #{poke ImFontAtlasRect, uv1} p v.uv1

instance HasField "x" (Ptr ImFontAtlasRect) (Ptr CUShort) where
  getField = #{ptr ImFontAtlasRect, x}

instance HasField "y" (Ptr ImFontAtlasRect) (Ptr CUShort) where
  getField = #{ptr ImFontAtlasRect, y}

instance HasField "w" (Ptr ImFontAtlasRect) (Ptr CUShort) where
  getField = #{ptr ImFontAtlasRect, w}

instance HasField "h" (Ptr ImFontAtlasRect) (Ptr CUShort) where
  getField = #{ptr ImFontAtlasRect, h}

instance HasField "uv0" (Ptr ImFontAtlasRect) (Ptr ImVec2) where
  getField = #{ptr ImFontAtlasRect, uv0}

instance HasField "uv1" (Ptr ImFontAtlasRect) (Ptr ImVec2) where
  getField = #{ptr ImFontAtlasRect, uv1}

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

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

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