gloss-juicy (empty) → 0.1
raw patch · 5 files changed
+156/−0 lines, 5 filesdep +JuicyPixelsdep +basedep +bmpsetup-changed
Dependencies added: JuicyPixels, base, bmp, bytestring, gloss, vector
Files
- Graphics/Gloss/Juicy.hs +62/−0
- LICENSE +30/−0
- Setup.hs +2/−0
- gloss-juicy.cabal +34/−0
- gloss-juicy.hs +28/−0
+ Graphics/Gloss/Juicy.hs view
@@ -0,0 +1,62 @@+module Graphics.Gloss.Juicy ( fromDynamicImage+ , fromImageRGBA8+ , fromImageRGB8+ , fromImageY8+ , fromImageYA8+ , fromImageYCbCr8+ ) +where++import Codec.Picture+import Codec.Picture.Types+import Graphics.Gloss.Data.Picture+import Data.Vector.Storable (unsafeToForeignPtr)++-- | Tries to convert a 'DynamicImage' from JuicyPixels to a gloss 'Picture'. All formats except RGBF and YF should successfully+-- yield a 'Picture'.+fromDynamicImage :: DynamicImage -> Maybe Picture+fromDynamicImage (ImageY8 img) = Just $ fromImageY8 img+fromDynamicImage (ImageYA8 img) = Just $ fromImageYA8 img+fromDynamicImage (ImageRGB8 img) = Just $ fromImageRGB8 img+fromDynamicImage (ImageRGBA8 img) = Just $ fromImageRGBA8 img+fromDynamicImage (ImageYCbCr8 img) = Just $ fromImageYCbCr8 img+fromDynamicImage (ImageRGBF _) = Nothing+fromDynamicImage (ImageYF _) = Nothing++-- Courtesy of Vincent Berthoux, JuicyPixels' author+-- bmp (and thus gloss) starts by the lines at the bottom+-- JuicyPixels does the converse+horizontalSwap :: Image PixelRGBA8 -> Image PixelRGBA8+horizontalSwap img@(Image { imageWidth = w, imageHeight = h }) =+ generateImage swapper w h+ where swapper x y = PixelRGBA8 a b g r+ where PixelRGBA8 r g b a = pixelAt img x (h - y - 1)+{-# INLINE horizontalSwap #-}++-- | O(N) conversion from 'PixelRGBA8' image to gloss 'Picture', where N is the number of pixels.+fromImageRGBA8 :: Image PixelRGBA8 -> Picture+fromImageRGBA8 img@(Image { imageWidth = w, imageHeight = h, imageData = _ }) =+ bitmapOfForeignPtr w h ptr False+ where swapedImage = horizontalSwap img+ (ptr, _, _) = unsafeToForeignPtr $ imageData swapedImage+{-# INLINE fromImageRGBA8 #-}++-- | Creation of a gloss 'Picture' by promoting (through 'promoteImage') the 'PixelRGB8' image to 'PixelRGBA8' and calling 'fromImageRGBA8'.+fromImageRGB8 :: Image PixelRGB8 -> Picture+fromImageRGB8 = fromImageRGBA8 . promoteImage+{-# INLINE fromImageRGB8 #-}++-- | Creation of a gloss 'Picture' by promoting (through 'promoteImage') the 'PixelY8' image to 'PixelRGBA8' and calling 'fromImageRGBA8'.+fromImageY8 :: Image Pixel8 -> Picture+fromImageY8 = fromImageRGBA8 . promoteImage+{-# INLINE fromImageY8 #-}++-- | Creation of a gloss 'Picture' by promoting (through 'promoteImage') the 'PixelYA8' image to 'PixelRGBA8' and calling 'fromImageRGBA8'.+fromImageYA8 :: Image PixelYA8 -> Picture+fromImageYA8 = fromImageRGBA8 . promoteImage+{-# INLINE fromImageYA8 #-}++-- | Creation of a gloss 'Picture' by promoting (through 'promoteImage') the 'PixelYCbCr8' image to 'PixelRGBA8' and calling 'fromImageRGBA8'.+fromImageYCbCr8 :: Image PixelYCbCr8 -> Picture+fromImageYCbCr8 = fromImageRGB8 . convertImage+{-# INLINE fromImageYCbCr8 #-}
+ LICENSE view
@@ -0,0 +1,30 @@+Copyright (c) 2013, Alp Mestanogullari <alpmestan@gmail.com>++All rights reserved.++Redistribution and use in source and binary forms, with or without+modification, are permitted provided that the following conditions are met:++ * Redistributions of source code must retain the above copyright+ notice, this list of conditions and the following disclaimer.++ * Redistributions in binary form must reproduce the above+ copyright notice, this list of conditions and the following+ disclaimer in the documentation and/or other materials provided+ with the distribution.++ * Neither the name of Alp Mestanogullari <alpmestan@gmail.com> nor the names of other+ contributors may be used to endorse or promote products derived+ from this software without specific prior written permission.++THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ gloss-juicy.cabal view
@@ -0,0 +1,34 @@+name: gloss-juicy+version: 0.1+synopsis: Load any image supported by Juicy.Pixels in your gloss application+description: Lets you convert any image supported by Juicy.Pixels in a gloss application by converting to gloss' Bitmap representation.+homepage: http://github.com/alpmestan/gloss-juicy+license: BSD3+license-file: LICENSE+author: Alp Mestanogullari <alpmestan@gmail.com>+maintainer: Alp Mestanogullari <alpmestan@gmail.com>+copyright: 2013 Alp Mestanogullari+category: Graphics+build-type: Simple+cabal-version: >=1.8++library+ exposed-modules: Graphics.Gloss.Juicy+ + build-depends: base >=4 && < 5,+ bytestring,+ bmp >= 1.2.4.1,+ gloss,+ JuicyPixels,+ vector+ ghc-options: -O2 -Wall -threaded++executable gloss-juicy-viewer+ main-is: gloss-juicy.hs+ build-depends: base >= 4 && < 5,+ bytestring,+ bmp >= 1.2.4.1,+ gloss,+ JuicyPixels,+ vector+ ghc-options: -O2 -Wall -threaded
+ gloss-juicy.hs view
@@ -0,0 +1,28 @@+module Main where++import Codec.Picture+import Graphics.Gloss+import Graphics.Gloss.Juicy+import System.Environment++main :: IO ()+main = do+ args <- getArgs+ case args of + [filename] -> do+ tryRead <- readImage filename+ case tryRead of+ Left err -> putStrLn ("error reading png file " ++ filename ++ ": " ++ err)+ Right im -> tryConvert im++ _ -> putStrLn "usage: gloss-juicy <file> -- displays the image in a gloss window"+ + where tryConvert img = case fromDynamicImage img of+ Just p -> displayPic p+ Nothing -> putStrLn "Couldn't convert"++displayPic :: Picture -> IO ()+displayPic p@(Bitmap width height _ _) = display (InWindow "Image Viewer" (width, height) (10, 10))+ white+ p+displayPic _ = error "only the Bitmap constructor should be used here"