Monomer.Graphics.Util

Helper functions for graphics related operations.

Documentation

clampChannel :: Int -> Int

Restricts a color channel to its valid range.

clampAlpha :: Double -> Double

Restricts an alpha channel to its valid range.

rgb :: Int -> Int -> Int -> Color

Creates a Color from red, green and blue components. Valid range for each component is [0, 255].

rgba :: Int -> Int -> Int -> Double -> Color

Creates a Color from red, green and blue components plus alpha channel. Valid range for each component is [0, 255], while alpha is [0, 1].

rgbHex :: String -> Color

Creates a Color from a hex string. It may include a # prefix or not.

rgbaHex :: String -> Double -> Color

Creates a Color from a hex string plus an alpha component. It may include a # prefix or not.

hsl :: Int -> Int -> Int -> Color

Creates a Color instance from HSL components. The valid ranges are:

• Hue: [0, 360]
• Saturation: [0, 100]
• Lightness: [0, 100]

Alpha is set to 1.0.

hsla :: Int -> Int -> Int -> Double -> Color

Creates a Color instance from HSL components. The valid ranges are:

• Hue: [0, 360]
• Saturation: [0, 100]
• Lightness: [0, 100]
• Alpha: [0, 1]

colorToHsl :: Color -> (Int, Int, Int)

Converts a Color instance to a tuple representing HSL values

rgbToHsl :: Int -> Int -> Int -> (Int, Int, Int)

Converts RGB values to a tuple representing HSL values

transparent :: Color

Creates a non visible color.

alignInRect :: Rect -> Rect -> AlignH -> AlignV -> Rect

Aligns the child rect inside the parent given the alignment constraints.

Note: The child rect can overflow the parent.

alignHInRect :: Rect -> Rect -> AlignH -> Rect

Aligns the child rect horizontally inside the parent.

alignVInRect :: Rect -> Rect -> AlignV -> Rect

Aligns the child rect vertically inside the parent.