"This widget can be used to display images given in the form of base64 encoded `Text`. The widget has a `B64Value` field, which can be changed to display images to it. It also has an `ImageFormat` field, which is set to `PNG` by default."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"{-# LANGUAGE OverloadedStrings #-}\n",
"import IHaskell.Display.Widgets\n",
"import IHaskell.Display (base64, encode64)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"The `base64` and `encode64` functions are useful with `ImageWidget`."
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
":t base64\n",
":t encode64"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"The following example downloads an xkcd comic and displays it in an image widget. The example below requires the HTTP package. If you don't have it then you can either install it and restart the ihaskell kernel, or just skip to the next example."
"All the media widgets have a `BSValue`. It's a ByteStream value with the data to display."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### The `Image` Widget\n",
"\n",
"This widget can be used to display images, with `ImageFormat` we can set the format of the image. If we set `ImageFormat` to `IURL` and `BSValue` to the utf8-encoded URL, the online image will be displayed automatically."
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<style>/* Styles used for the Hoogle display in the pager */\n",
