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module Charts.Font
(
TextStyle,
ChartFontStyle(),
chartFontStyle,
ChartFontWeight(),
chartFontWeight,
Icon(),
ImageURL(..),
Shape(..),
IconOptions(..),
icon
) where
import CSS (FontStyle(..), FontWeight(..), Prefixed(..), Value(..))
import Charts.Color (ChartColor)
import Charts.Position (LeftRelativePosition, Position, TopRelativePosition)
import Data.Generic (class Generic, gShow)
import Data.String (toLower)
import Prelude (Unit, ($), (<<<), (<>))
type TextStyle =
{ color :: ChartColor
, fontStyle :: ChartFontStyle
, fontWeight :: ChartFontWeight
, fontFamily :: String
, fontSize :: Int
, align :: Position LeftRelativePosition
, verticalAlign :: Position TopRelativePosition
, lineHeight :: Position Unit
, width :: Position Unit
, height :: Position Unit
, textBorderColor :: ChartColor
, textBorderWidth :: Number
, textShadowColor :: ChartColor
, textShadowBlur :: ChartColor
, textShadowOffsetX :: Number
, textShadowOffsetY :: Number
}
newtype ChartFontStyle = ChartFontStyle String
chartFontStyle :: FontStyle -> ChartFontStyle
chartFontStyle (FontStyle (Value (Plain "italic"))) = ChartFontStyle "italic"
chartFontStyle (FontStyle (Value (Plain "oblique"))) = ChartFontStyle "oblique"
chartFontStyle _ = ChartFontStyle "normal"
newtype ChartFontWeight = ChartFontWeight String
chartFontWeight :: FontWeight -> ChartFontWeight
chartFontWeight (FontWeight (Value (Plain "bold"))) = ChartFontWeight "bold"
chartFontWeight (FontWeight (Value (Plain "bolder"))) = ChartFontWeight "bolder"
chartFontWeight (FontWeight (Value (Plain "lighter"))) = ChartFontWeight "lighter"
chartFontWeight _ = ChartFontWeight "normal"
newtype Icon = Icon String
newtype ImageURL = ImageURL String
data Shape = Circle | Rect | RoundRect | Triangle | Diamond | Pin | Arrow
derive instance genericShape :: Generic Shape
data IconOptions = Shape Shape | Image ImageURL
icon :: IconOptions -> Icon
icon (Shape s) = Icon <<< toLower $ gShow s
icon (Image (ImageURL url)) = Icon $ "image://" <> url