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Graphics.UI.Port.Font Portability portable Stability provisional Maintainer ka2_mail@yahoo.com

Contents

Fonts Metrics (on a certain canvas). Enumerate fonts Standard font definitions.

Description

Fonts.

Synopsis

createFont :: FontDef -> IO Font defaultFont :: Font getFontMetrics :: Font -> CanvasHandle -> IO FontMetrics getFontCharWidth :: Font -> Char -> CanvasHandle -> IO Int getFontStringWidth :: Font -> String -> CanvasHandle -> IO Int getFontNames :: IO [FontName] getFontVariants :: FontName -> FontSize -> FontSize -> IO (FiniteMap (FontWeight, FontStyle) [FontSize]) defaultFontDef :: FontDef serifFontDef :: FontDef sansSerifFontDef :: FontDef nonProportionalFontDef :: FontDef smallFontDef :: FontDef symbolFontDef :: FontDef

Fonts

createFont :: FontDef -> IO Font

Create a new font from a font definition.

defaultFont :: Font

The default window font.

Metrics (on a certain canvas).

getFontMetrics :: Font -> CanvasHandle -> IO FontMetrics

Get the font metrics of a specified font.

getFontCharWidth :: Font -> Char -> CanvasHandle -> IO Int

Get the pixel width of a character.

getFontStringWidth :: Font -> String -> CanvasHandle -> IO Int

Get the pixel width of a string.

Enumerate fonts

getFontNames :: IO [FontName]

Enumerate all the available font names.

getFontVariants :: FontName -> FontSize -> FontSize -> IO (FiniteMap (FontWeight, FontStyle) [FontSize])

The expression (getFontVariants fontname min max) returns all avaiable font definitions where the font name is fontname and the font size is between min and max (inclusive). The keys in the returned map are all posible combinations between weight and style, and the value coresponding to them in the map is a list of sizes for which this combination is available.

Standard font definitions.

defaultFontDef :: FontDef

serifFontDef :: FontDef

sansSerifFontDef :: FontDef

nonProportionalFontDef :: FontDef

smallFontDef :: FontDef

symbolFontDef :: FontDef

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