init

ChangeLog.md

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+# Changelog for color-wheel-calculations
+
+## Unreleased changes

LICENSE

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+Copyright Author name here (c) 2020
+
+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 Author name here 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.

README.md

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-# ColorWheel
+# color-wheel-calculations
-

Setup.hs

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+import Distribution.Simple
+main = defaultMain

app/Main.hs

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+module Main where
+
+import ColorWheel.HSVTransformations
+import System.Environment
+import System.Exit
+import ColorWheel.RGBPurifier 
+import Numeric (showHex, showIntAtBase)
+import Data.List
+import Text.Printf
+
+intToHex :: [Int] -> [String]
+intToHex y =  fmap (\x -> showHex x "") y
+
+main :: IO ()
+main = do
+	args <- getArgs
+	let firstArg = (\x -> if length args > 0 then args !! 0 else []) args
+	case firstArg of
+		"--hsv2rgb" -> do
+			y <- hsv2rgb (read $ args !! 1) (read $ args !! 2) (read $ args !! 3) >>= \x -> return $ flooredRgb  x 
+			let c = 124 :: Int
+			putStrLn $ printf "%02x%02x%02x" (y !! 0) (y !! 1) (y !! 2)
+			-- print $ intercalate "" (intToHex y)
+		[] -> print "please provide parameter"	
+	
+

color-wheel-calculations.cabal

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+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.33.0.
+--
+-- see: https://github.com/sol/hpack
+--
+-- hash: 04c54a505208bd86b34d8e3e0eba16eadeedc5a3c50062aef9c3ad16f42e65f9
+
+name:           color-wheel-calculations
+version:        0.1.0.0
+description:    Please see the README on GitHub at <https://github.com/githubuser/color-wheel-calculations#readme>
+homepage:       https://github.com/githubuser/color-wheel-calculations#readme
+bug-reports:    https://github.com/githubuser/color-wheel-calculations/issues
+author:         Author name here
+maintainer:     example@example.com
+copyright:      2020 Author name here
+license:        BSD3
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
+
+source-repository head
+  type: git
+  location: https://github.com/githubuser/color-wheel-calculations
+
+library
+  exposed-modules:
+      ColorWheel.Cordinates
+      ColorWheel.Radian
+      ColorWheel.HSVTransformations
+      ColorWheel.RGBDefinition
+      ColorWheel.RGBPurifier
+  other-modules:
+      Paths_color_wheel_calculations
+  hs-source-dirs:
+      src
+  build-depends:
+      base >=4.7 && <5
+  default-language: Haskell2010
+
+executable color-wheel-calculations-exe
+  main-is: Main.hs
+  other-modules:
+      Paths_color_wheel_calculations
+  hs-source-dirs:
+      app
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , color-wheel-calculations
+  default-language: Haskell2010
+
+test-suite color-wheel-calculations-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      Paths_color_wheel_calculations
+  hs-source-dirs:
+      test
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , color-wheel-calculations
+  default-language: Haskell2010

package.yaml

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+name:                color-wheel-calculations
+version:             0.1.0.0
+github:              "githubuser/color-wheel-calculations"
+license:             BSD3
+author:              "Author name here"
+maintainer:          "example@example.com"
+copyright:           "2020 Author name here"
+
+extra-source-files:
+- README.md
+- ChangeLog.md
+
+# Metadata used when publishing your package
+# synopsis:            Short description of your package
+# category:            Web
+
+# To avoid duplicated efforts in documentation and dealing with the
+# complications of embedding Haddock markup inside cabal files, it is
+# common to point users to the README.md file.
+description:         Please see the README on GitHub at <https://github.com/githubuser/color-wheel-calculations#readme>
+
+dependencies:
+- base >= 4.7 && < 5
+
+library:
+  source-dirs: src
+
+executables:
+  color-wheel-calculations-exe:
+    main:                Main.hs
+    source-dirs:         app
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - color-wheel-calculations
+
+tests:
+  color-wheel-calculations-test:
+    main:                Spec.hs
+    source-dirs:         test
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - color-wheel-calculations

src/ColorWheel/Cordinates.hs

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+module ColorWheel.Cordinates where
+
+
+
+cordinateCalculation :: Float -> Float -> (Float -> Float) -> Float
+cordinateCalculation r a calc = r * (calc a) 
+
+
+calculateX :: Float -> Float -> Float
+calculateX r a = cordinateCalculation r a cos
+
+
+calculateY :: Float -> Float -> Float
+calculateY r a = cordinateCalculation r a sin

src/ColorWheel/HSVTransformations.hs

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+module ColorWheel.HSVTransformations where
+
+import ColorWheel.Radian
+import qualified ColorWheel.Cordinates as Cordinate
+import ColorWheel.RGBDefinition
+import Data.Fixed
+
+-- hsv2rgb 207 148 120 75 == RGB {r = 19.125, g = 191.25, b = 19.125}
+
+hsv2rgbFromXY :: Float -> Float -> Float -> Float -> IO RGB
+-- degree can be calculated from cordnates
+hsv2rgbFromXY cordinateX cordinateY degree value =
+                do
+                    let distanceFromOrigin =  ( ((sqrt $ (cordinateX ^ 2) + (cordinateY ^ 2))/255) * 10)
+                    let distanceFromOriginAsPercent = fromIntegral ((floor distanceFromOrigin) * 10) / 100
+                    hsv2rgb (degree+90) distanceFromOriginAsPercent value
+
+
+
+
+calculateC :: Float -> Float -> Float
+calculateC v s = v * s
+
+calculateM :: Float -> Float -> Float
+calculateM v c = v - c
+
+calculateX :: Float -> Float -> Float
+calculateX degree c = c * ( 1 - (abs $ (mod' (degree / 60) (2)) - 1))
+
+
+to255Percent :: Float -> Float
+to255Percent value = (255 * (value*100)) / 100
+
+-- parameters actually are; H S V
+
+-- H is degree
+-- S is sue
+-- V is value
+
+hsv2rgb :: Float  ->  Float -> Float -> IO RGB
+hsv2rgb   degree distanceFromOriginAsPercent value = 
+                do
+
+                    let saturation = distanceFromOriginAsPercent
+
+                    let valueAs255 = to255Percent value
+                    let radian = toRadianFloor degree
+
+
+                    let v = valueAs255
+                    let s = saturation
+
+                    let c = calculateC v s
+                    let m = calculateM v c
+                    let x = calculateX degree c
+
+                    return $ cmxToRGB radian c m x
+
+
+
+cmxToRGB :: Int -> Float -> Float -> Float -> RGB
+cmxToRGB radian c m x = do
+                         case radian of
+                                1 ->  RGB { r = c+m, g = x+m, b = m   }
+                                2 ->  RGB { r = x+m, g = c+m, b = m   }
+                                3 ->  RGB { r = m,   g = c+m, b = x+m }
+                                4 ->  RGB { r = m,   g = x+m, b = c+m }
+                                5 ->  RGB { r = x+m, g = m,   b = c+m }
+                                6 ->  RGB { r = c+m, g = m,   b = x+m }                        

src/ColorWheel/RGBDefinition.hs

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+module ColorWheel.RGBDefinition where
+
+
+
+data RGB = RGB { r :: Float, g :: Float, b :: Float } deriving (Show,Eq)

src/ColorWheel/RGBPurifier.hs

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+module ColorWheel.RGBPurifier where
+
+
+import ColorWheel.RGBDefinition
+
+type FlooredRGB = [Int]
+
+flooredRgb :: RGB -> FlooredRGB
+flooredRgb rgb = do
+    let red = floor $ r rgb
+    let green = floor $ g rgb
+    let blue = floor  $ b rgb
+    [red,green,blue]
+
+
+
+
+
+
+
+
+

src/ColorWheel/Radian.hs

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+module ColorWheel.Radian where
+
+
+toRadian :: Float -> Float
+toRadian a =  (a * (2 * pi) / 360) + 1
+
+
+toRadianFloor :: Float -> Int
+toRadianFloor a = floor $ toRadian a

stack.yaml

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+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# https://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+#
+# The location of a snapshot can be provided as a file or url. Stack assumes
+# a snapshot provided as a file might change, whereas a url resource does not.
+#
+# resolver: ./custom-snapshot.yaml
+# resolver: https://example.com/snapshots/2018-01-01.yaml
+resolver: lts-15.0
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+#   subdirs:
+#   - auto-update
+#   - wai
+packages:
+- .
+# Dependency packages to be pulled from upstream that are not in the resolver.
+# These entries can reference officially published versions as well as
+# forks / in-progress versions pinned to a git hash. For example:
+#
+# extra-deps:
+# - acme-missiles-0.3
+# - git: https://github.com/commercialhaskell/stack.git
+#   commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#
+# extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+# flags: {}
+
+# Extra package databases containing global packages
+# extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=2.1"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor

stack.yaml.lock

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+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    size: 488576
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/15/0.yaml
+    sha256: e4b6a87b47ec1cf63a7f1a0884a3b276fce2b0d174a10e8753c4f618e7983568
+  original: lts-15.0

test/RGBTransformTest1.hs

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+module RGBTransformTest1 where
+
+import ColorWheel.HSVTransformations
+import ColorWheel.RGBDefinition
+
+
+transformationTest1 :: IO ()
+transformationTest1 = do
+		result <- hsv2rgb 120 0.9 0.75
+		if result == RGB {r = 19.125, g = 191.25, b = 19.125} 
+			then
+				print "OK!"
+			else 
+				print "FAIL!"

test/Spec.hs

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+
+import RGBTransformTest1
+
+main :: IO ()
+main = do
+		transformationTest1