450 lines
11 KiB
CoffeeScript
450 lines
11 KiB
CoffeeScript
###
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.___________________________________, ___
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| / | | . \ .(___):
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| _______ | : \ : |
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: |___/ / | | \__| |
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| / | | | |
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l__________/__________|___|______l__________j_____j
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Ansi/Ansi Viewer in Ecmascript
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Coded by Sir Garbagetruck / Accession 2013
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Uses fonts by DMG, http://trueschool.se
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Uses Andy Herbert's Ansilove.js for rendering.
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###
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exports = Sahli
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Sahli = ->
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@outbox = $('div#outbox')
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@dbox = $('div#drawbox')
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@image = 0
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# scroll speed of 5 looks ... "ok" on macbook pro. 4 was original.
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@scroll_speed = 5
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@scroll_direction = 1
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@zoomspeed = 200
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@asciiasgfx = true
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@DEBUG = false
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@dbox.height document.height - 24
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@dbox.width document.width - 2
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@sizemult = 16
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# 32 is larger than screen, and somewhat silly
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@origheight = 0
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@origwidth = 0
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@filedata = ''
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@slides = 0
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@currentpic = 0
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@nonfsheight = document.height - 40
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@loadpic = (picdata, inserthere) ->
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switch picdata.filetype
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when 'plain'
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@loadplain picdata, inserthere
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when 'ansi'
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@loadhugeansi picdata, inserthere
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when 'bin'
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@loadansi picdata, inserthere
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when 'xbin'
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@loadansi picdata, inserthere
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when 'ice'
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@loadansi picdata, inserthere
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when 'avatar'
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@loadavatar picdata, inserthere
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when 'pcboard'
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@loadansi picdata, inserthere
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when 'idf'
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@loadansi picdata, inserthere
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when 'adf'
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@loadansi picdata, inserthere
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when 'tundra'
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@loadansi picdata, inserthere
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else
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@loadplain picdata, inserthere
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return
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@loadplain = (picdata, inserthere) ->
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pdiv = $('<div>')
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req = new XMLHttpRequest
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fname = @location + '/' + picdata.file
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ptxt = $('<pre></pre>')
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color = @calccolor(picdata.color)
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bgcolor = @calccolor(picdata.bg)
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pdiv.addClass 'scrolly'
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ptxt.addClass picdata.font.toLowerCase()
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ptxt.css
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'color': color
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'background-color': bgcolor
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'margin': 'auto'
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ptxt.width picdata.width * 8
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pdiv.width '100%'
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pdiv.append ptxt
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# this is going to be interesting when dealing with ansi files in UTF-8
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# or SHIFT-JIS etc - is it needed now?
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req.overrideMimeType 'text/plain; charset=ISO-8859-1'
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req.onreadystatechange = ->
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if req.readyState == req.DONE
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if req.status == 200 or req.status == 0
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ptxt.text @responseText
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inserthere.after pdiv
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else
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@loaderror inserthere, fname, req.statusText, req.status
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return
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req.open 'GET', fname, true
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req.send null
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return
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@loadansi = (picdata, inserthere) ->
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fname = @location + '/' + picdata.file
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pdiv = $('<div>')
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AnsiLove.render fname, ((canv, SAUCE) ->
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pdiv.append canv
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inserthere.after pdiv
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@origwidth = canv.width
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@origheight = canv.height
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@SAUCE = SAUCE
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return
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),
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'font': '80x25'
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'bits': '8'
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'columns': 160
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'thumbnail': 0
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return
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@loadhugeansi = (picdata, inserthere) ->
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fname = @location + '/' + picdata.file
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pdiv = $('<div>')
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calcheight = 0
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canvwidth = 0
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pdiv.css 'display', 'inline-block'
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AnsiLove.splitRender fname, ((chunks, SAUCE) ->
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chunks.forEach (canv) ->
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canv.style.verticalAlign = 'bottom'
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pdiv.append canv
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calcheight = calcheight + canv.height
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canvwidth = canv.width
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return
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inserthere.after pdiv
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@SAUCE = SAUCE
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@origwidth = canvwidth
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@origheight = calcheight
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pdiv.width canvwidth
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return
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), 30, 'bits': '8'
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return
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@loadavatar = (picdata, inserthere) ->
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alert 'avatar', picdata, inserthere
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return
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@fillinfo = (picdata) ->
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infob = $('div.infobox')
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infob.find('h1').text picdata.name
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infob.find('h2').text picdata.author
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infob.find('h3#text').text picdata.line1
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infob.find('h3#text2').text picdata.line2
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infob.find('.bigtext').text picdata.text
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infob.find('span#filename').text picdata.file
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infob.find('span#infowidth').text '| ' + picdata.width + ' cols |'
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infob.find('span#fontname').text picdata.font
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return
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@loaderror = (inserthere, fname, errorText, errorCode) ->
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temptxt = ''
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if errorCode == 404
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temptxt = $('<h1>').text('Unable to find file ' + fname)
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else
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temptxt = $('<h1>').text('error! ' + errorText + ' code ' + errorCode +
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' file ' + fname)
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inserthere.after temptxt
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return
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@calccolor = (colorset) ->
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'rgba(' + colorset.toString() + ')'
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@resize = (amt) ->
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canv = $('canvas')
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w = canv.width() * amt
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h = canv.height() * amt
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canv.animate {
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width: w
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height: h
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}, @zoomspeed
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return
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@fullwidth = ->
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@stopscroll()
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if $('canvas').width() == @dbox.width()
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@originalsize @zoomspeed
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else
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ratio = @origwidth / @dbox.width()
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$('canvas').animate {
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width: @dbox.width()
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height: @origheight / ratio
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}, @zoomspeed
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return
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@fullheight = ->
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canv = $('canvas')
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if canv.height() == @dbox.height()
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@originalsize @zoomspeed
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else
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ratio = @origheight / @dbox.height()
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canv.animate {
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height: @dbox.height()
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width: @origwidth / ratio
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}, @zoomspeed
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return
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@originalsize = (zoomspeed) ->
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# why do we not have origwidth now? hmm.
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canv = $('canvas')
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zs = zoomspeed
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# why are we not using this?
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zs = zs + 1
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canv.animate {
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width: @origwidth
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height: @origheight
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}, @zoomspeed
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return
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@toptext = (text) ->
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if @DEBUG
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$('h1#top').text text
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return
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@setscroll = ->
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bottom = $('.scrolly').height()
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scrollto = bottom
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steps = undefined
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# kill animations from before
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@dbox.stop true
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if @scroll_direction == 1
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@scroll_direction = -1
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steps = bottom - @dbox.scrollTop()
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else
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@scroll_direction = 1
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scrollto = 0
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steps = @dbox.scrollTop()
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@toptext @scroll_speed + ' | ' + steps
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@dbox.animate { scrollTop: scrollto }, @scroll_speed * steps, 'linear'
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return
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@resizedrawbox = (height) ->
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dbox1 = $('div#drawbox')
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if 'undefined' == height
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dbox1.height window.innerHeight - 2
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else
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dbox1.height height
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dbox1.width window.innerWidth - 2
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return
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@stopscroll = ->
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@dbox.stop true
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return
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@moveabout = (lines) ->
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line = @dbox.scrollTop()
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@dbox.stop true
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switch lines
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when 0
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@dbox.scrollTop 0
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when Infinity
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@dbox.scrollTop @origheight
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else
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@dbox.scrollTop line - lines * 8
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break
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return
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@requestsahlifile = (url) ->
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ref = this
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$.getJSON url, (json) ->
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ref.filedata = json.filedata
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ref.slides = json.slides
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ref.location = json.location
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ref.buildcompo()
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return
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return
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@buildcompo = ->
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@resizedrawbox()
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alert 'SAHLI READY TO GO'
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return
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@nextpic = ->
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@dbox.children().remove()
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# reset scrolling;
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@stopscroll()
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@scroll_direction = 1
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i = @currentpic
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filedata = @filedata
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filedata[i].pic = $('<h6>' + filedata[i].file + '</h6>')
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@dbox.append filedata[i].pic
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@loadpic filedata[i], filedata[i].pic
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@currentpic += 1
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if @currentpic > filedata.length - 1
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@currentpic = 0
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return
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@gofullscreen = ->
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docElm = document.documentElement
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window.setTimeout @resizedrawbox, 100
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if docElm.requestFullscreen
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docElm.requestFullscreen Element.ALLOW_KEYBOARD_INPUT
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else if docElm.mozRequestFullScreen
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docElm.mozRequestFullScreen Element.ALLOW_KEYBOARD_INPUT
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else if docElm.webkitRequestFullScreen
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docElm.webkitRequestFullScreen Element.ALLOW_KEYBOARD_INPUT
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return
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@cancelfullscreen = ->
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window.setTimeout @resizedrawbox, 100, @nonfsheight
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if document.exitFullscreen
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document.exitFullscreen()
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else if document.mozCancelFullScreen
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document.mozCancelFullScreen()
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else if document.webkitCancelFullScreen
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document.webkitCancelFullScreen()
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return
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@fixhelpbox = ->
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h = $('.help')
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xy =
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'top': 0
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'left': document.width / 2 - h.width() / 2
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h.css xy
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return
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@toggledebug = ->
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$('h1#top').fadeToggle()
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@DEBUG = !@DEBUG
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return
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@loadkeys = ->
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ref = this
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$(document).bind 'click', (ev) ->
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if ev.clientY < 100
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if ev.clientX < 100
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ref.nextpic()
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else
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ref.fullwidth()
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else
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ref.setscroll()
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return
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$(document).bind 'keydown', (ev) ->
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switch ev.which
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when 84
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# t
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ref.asciiasgfx = !ref.asciiasgfx
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ref.toptext ref.asciiasgfx
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# u
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when 85, 9
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# u
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$('div.infobox').slideToggle 'slow'
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when 70
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# f
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ref.gofullscreen()
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# esc
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when 27, 71
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# G, as escape seems to not get passed from fullscreen on chrome
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ref.cancelfullscreen()
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when 73
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# i
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ref.resize 2
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when 75
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# k
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ref.resize 0.5
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when 79
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# o
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ref.fullwidth()
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when 76
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# l
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ref.fullheight()
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when 80
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# p
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ref.originalsize 0
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when 83
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# s
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ref.setscroll()
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# h
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when 72, 191
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# "?" (also / but no shift)
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$('.help').fadeToggle 'fast'
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# +
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when 107, 190
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# .
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ref.scroll_speed = ref.scroll_speed * 2
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ref.toptext 'speed doubled:' + ref.scroll_speed
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# -
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when 109, 188
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# ,
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ref.scroll_speed = ref.scroll_speed / 2
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ref.toptext 'speed halved:' + ref.scroll_speed
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when 49
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# 1
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ref.scroll_speed = 1
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when 50
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#2
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ref.scroll_speed = 2
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when 51
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#3
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ref.scroll_speed = 3
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when 52
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#4
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ref.scroll_speed = 4
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when 53
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#5
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ref.scroll_speed = 5
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when 220
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# "\"
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ref.toptext ref.scroll_speed
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# backspace
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when 8, 68
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# D
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ref.stopscroll()
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# move about keys
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when 33
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# pgup
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ref.moveabout 24
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when 34
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# pgdwn
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ref.moveabout -24
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when 36
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# home
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ref.moveabout 0
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when 35
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# end
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ref.moveabout Infinity
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when 40
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# down
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ref.moveabout -1
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when 32
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# space
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ref.nextpic()
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when 38
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# up
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ref.moveabout 1
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# pause/break
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when 19, 121
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# F10
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ref.toggledebug()
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# debug alerts for these keys are annoying (:
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# f5
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when 116, 123
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# f12
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else
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if ref.DEBUG
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alert ev.which
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break
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return
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return
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@loadkeys()
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@fixhelpbox()
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ref = this
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$(window).resize ->
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ref.resizedrawbox()
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return
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debugger
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@requestsahlifile 'list.sahli'
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return
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