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Image

Description

This module provides access to image resources from files or base64 encoded strings.

Synopsis

class (GUIObject w) => HasPhoto w where photo :: Image -> Config w getPhoto :: w -> IO (Maybe Image) data Image newImage :: [Config Image] -> IO Image intToImage :: Int -> IO (Maybe Image) imageToInt :: Image -> IO Int data Format = GIF | PPM | PGM imgData :: Format -> String -> Config Image

Documentation

class (GUIObject w) => HasPhoto w where

Image containers instantiate the class HasPhoto. Methods photo :: Image -> Config w Associates an image container (e.g. a label) with the given image. getPhoto :: w -> IO (Maybe Image) Gets the image associated with the given image container. Instances HasPhoto Button HasPhoto (CheckButton a) HasPhoto (Dialog a) HasPhoto ImageItem (HasIndicator w, SelectButton w) => HasPhoto (Indicator w) HasPhoto Label HasPhoto MenuButton HasPhoto MenuCascade HasPhoto MenuCheckButton HasPhoto MenuCommand HasPhoto MenuRadioButton HasPhoto (RadioButton a) (CItem a) => HasPhoto (TREELISTOBJECT a)

data Image

The Image datatype.

newImage

:: [Config Image] the list of configuration options for this image object. -> IO Image An image object. Constructs a new image object and returns a handler. The image object can be packed like a widget, then it is implicitely displayed inside a label widget.

intToImage :: Int -> IO (Maybe Image)

imageToInt :: Image -> IO Int

Internal.

data Format

The Format datatype - represents the format of a base64 encoded image (see Image.imgData). Constructors GIF PPM PGM

imgData :: Format -> String -> Config Image

Sets the image data from a base64 encoded string.

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