Graphics.SOE.Gtk

Portability	portable (depends on GHC)
Stability	stable
Maintainer	gtk2hs-devel@lists.sourceforge.net

Description

An alternative implementation of the graphics library used in The Haskell School of Expression, by Paul Hudak, http://www.haskell.org/soe/.

It has exaclty the same interface as the original implementation Graphics.SOE. See the original for an API reference.

Synopsis

runGraphics :: IO () -> IO ()

type Title = String

type Size = (Int, Int)

data Window

openWindow :: Title -> Size -> IO Window

getWindowSize :: Window -> IO Size

clearWindow :: Window -> IO ()

drawInWindow :: Window -> Graphic -> IO ()

drawInWindowNow :: Window -> Graphic -> IO ()

setGraphic :: Window -> Graphic -> IO ()

closeWindow :: Window -> IO ()

openWindowEx :: Title -> Maybe Point -> Maybe Size -> RedrawMode -> IO Window

data RedrawMode

drawGraphic :: RedrawMode

drawBufferedGraphic :: RedrawMode

data Graphic

emptyGraphic :: Graphic

overGraphic :: Graphic -> Graphic -> Graphic

overGraphics :: [Graphic] -> Graphic

data Color

= Black

| Blue

| Green

| Cyan

| Red

| Magenta

| Yellow

| White

withColor :: Color -> Graphic -> Graphic

text :: Point -> String -> Graphic

type Point = (Int, Int)

ellipse :: Point -> Point -> Graphic

shearEllipse :: Point -> Point -> Point -> Graphic

line :: Point -> Point -> Graphic

polygon :: [Point] -> Graphic

polyline :: [Point] -> Graphic

polyBezier :: [Point] -> Graphic

type Angle = Float

arc :: Point -> Point -> Angle -> Angle -> Graphic

data Region

createRectangle :: Point -> Point -> Region

createEllipse :: Point -> Point -> Region

createPolygon :: [Point] -> Region

andRegion :: Region -> Region -> Region

orRegion :: Region -> Region -> Region

xorRegion :: Region -> Region -> Region

diffRegion :: Region -> Region -> Region

drawRegion :: Region -> Graphic

getKey :: Window -> IO Char

getLBP :: Window -> IO Point

getRBP :: Window -> IO Point

data Event

= Key {

char :: Char

isDown :: Bool

}

| Button {

pt :: Point

isLeft :: Bool

isDown :: Bool

}

| MouseMove {

pt :: Point

}

| Resize

| Closed

maybeGetWindowEvent :: Window -> IO (Maybe Event)

getWindowEvent :: Window -> IO Event

data Word32

timeGetTime :: IO Word32

word32ToInt :: Word32 -> Int

Documentation

runGraphics :: IO () -> IO ()

type Title = String

type Size = (Int, Int)

data Window

openWindow :: Title -> Size -> IO Window

getWindowSize :: Window -> IO Size

clearWindow :: Window -> IO ()

drawInWindow :: Window -> Graphic -> IO ()

drawInWindowNow :: Window -> Graphic -> IO ()

setGraphic :: Window -> Graphic -> IO ()

closeWindow :: Window -> IO ()

openWindowEx :: Title -> Maybe Point -> Maybe Size -> RedrawMode -> IO Window

data RedrawMode

drawGraphic :: RedrawMode

drawBufferedGraphic :: RedrawMode

data Graphic

emptyGraphic :: Graphic

overGraphic :: Graphic -> Graphic -> Graphic

overGraphics :: [Graphic] -> Graphic

data Color

Constructors

Black
Blue
Green
Cyan
Red
Magenta
Yellow
White

withColor :: Color -> Graphic -> Graphic

text :: Point -> String -> Graphic

type Point = (Int, Int)

ellipse :: Point -> Point -> Graphic

shearEllipse :: Point -> Point -> Point -> Graphic

line :: Point -> Point -> Graphic

polygon :: [Point] -> Graphic

polyline :: [Point] -> Graphic

polyBezier :: [Point] -> Graphic

type Angle = Float

arc :: Point -> Point -> Angle -> Angle -> Graphic

data Region

createRectangle :: Point -> Point -> Region

createEllipse :: Point -> Point -> Region

createPolygon :: [Point] -> Region

andRegion :: Region -> Region -> Region

orRegion :: Region -> Region -> Region

xorRegion :: Region -> Region -> Region

diffRegion :: Region -> Region -> Region

drawRegion :: Region -> Graphic

getKey :: Window -> IO Char

getLBP :: Window -> IO Point

getRBP :: Window -> IO Point

data Event

Constructors

Key

char :: Char
isDown :: Bool

Button

pt :: Point
isLeft :: Bool
isDown :: Bool

MouseMove

pt :: Point

Resize

Closed

maybeGetWindowEvent :: Window -> IO (Maybe Event)

getWindowEvent :: Window -> IO Event

data Word32

32-bit unsigned integer type

timeGetTime :: IO Word32

word32ToInt :: Word32 -> Int

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