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Diffstat (limited to 'src/Graphics/Fountainhead/Type.hs')
| -rw-r--r-- | src/Graphics/Fountainhead/Type.hs | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/src/Graphics/Fountainhead/Type.hs b/src/Graphics/Fountainhead/Type.hs deleted file mode 100644 index e809d9c..0000000 --- a/src/Graphics/Fountainhead/Type.hs +++ /dev/null @@ -1,41 +0,0 @@ -{- This Source Code Form is subject to the terms of the Mozilla Public License, - v. 2.0. If a copy of the MPL was not distributed with this file, You can - obtain one at https://mozilla.org/MPL/2.0/. -} - --- | Generic font types. -module Graphics.Fountainhead.Type - ( F2Dot14(..) - , Fixed32(..) - , FWord - , UFWord - , fixed2Double - , succIntegral - , ttfEpoch - ) where - -import Data.Bits ((.>>.), (.&.)) -import Data.Int (Int16) -import Data.Word (Word16, Word32) -import Data.Time (Day(..)) -import Data.Time.Calendar.OrdinalDate (fromOrdinalDate) - -newtype Fixed32 = Fixed32 Word32 - deriving (Eq, Show) - -newtype F2Dot14 = F2Dot14 Int16 - deriving (Eq, Show) - -type FWord = Int16 -type UFWord = Word16 - -ttfEpoch :: Day -ttfEpoch = fromOrdinalDate 1904 1 - -succIntegral :: Integral a => a -> Int -succIntegral = succ . fromIntegral - -fixed2Double :: F2Dot14 -> Double -fixed2Double (F2Dot14 fixed) = - let mantissa = realToFrac (fixed .>>. 14) - fraction = realToFrac (fixed .&. 0x3fff) / 16384.0 - in mantissa + fraction |
