134 lines
3.4 KiB
HTML
134 lines
3.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>LtgLoader & TileMasker Demonstration</title>
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<style type="text/css">
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#bitmaps img {
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border: 1px dotted black;
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margin: 0.5em;
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}
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dt {
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font-weight: bold;
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text-align: right;
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padding-right: 1em;
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width: 7em;
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height: 1.5em;
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float: left;
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}
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dd { height: 1.5em; }
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</style>
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</head>
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<body>
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<h1>LtgLoader & TileMasker Demonstration</h1>
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<noscript>Please enable JavaScript.</noscript>
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<div id="bitmaps">
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<img id="bmp_game" />
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<img id="bmp_mas" />
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</div>
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<input type="file" id="ltg" />
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<dl>
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<dt>Name</dt>
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<dd id="ltg_name">(No LTG Loaded)</dd>
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<dt>Author</dt>
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<dd id="ltg_author"> </dd>
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<dt>Description</dt>
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<dd id="ltg_desc"> </dd>
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<dt>Id</dt>
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<dd id="ltg_id"> </dd>
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</dl>
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<canvas id="canvas" width="500" height="300">
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Your browser does not support the canvas element.
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</canvas>
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<script src="../scripts/ease.min.js"></script>
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<script>
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window.ltjs = {};
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window.Class = easejs.Class;
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window.Interface = easejs.Interface;
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var ctx = document.getElementById( 'canvas' ).getContext( '2d' ),
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ltg = document.getElementById( 'ltg' );
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ctx.font = '7pt Arial';
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ltg.addEventListener( 'change', fileChange, false );
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function fileChange( event )
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{
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if ( ltg.files.length === 0 ) return;
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var file = ltg.files[ 0 ],
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reader = new FileReader();
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reader.onload = function( event )
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{
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var loader = ltjs.LtgLoader(),
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masker = ltjs.TileMasker( ltjs.ClassicTileDfn() ),
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meta = loader.fromString( event.target.result ),
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bmp_game = document.getElementById( 'bmp_game' ),
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bmp_mask = document.getElementById( 'bmp_mas' );
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bmp_game.src = meta.tiles;
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bmp_mask.src = meta.mask;
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// display metadata
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for ( var name in meta )
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{
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if ( ( name === 'tiles' ) || ( name === 'mask' ) )
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{
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continue;
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}
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document.getElementById( 'ltg_' + name ).innerHTML = meta[ name ];
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}
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masker.getMaskedTiles( meta.tiles, meta.mask, function( tiles )
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{
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// clear canvas to erase any previous LTG contents
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ctx.clearRect( 0, 0, ctx.canvas.width, ctx.canvas.height );
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var i = 0;
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for ( var tile in tiles )
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{
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var x = ( ( i % 10 ) * 50 ),
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y = ( Math.floor( i / 10 ) * 50 );
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ctx.putImageData( tiles[ tile ], x, y );
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ctx.fillText( tile, x, ( y + 43 ), 50 );
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i++;
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}
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} );
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};
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reader.onerror = function( e )
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{
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alert(
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'Error reading file: ' + e.message + '\n\n' +
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'Are you viewing this page locally? Try using a webserver.'
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);
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};
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reader.readAsBinaryString( file );
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};
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// invoke immediately, as we may have a filename prefilled from a refresh
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fileChange();
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</script>
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<script src="../lib/TileDfn.js"></script>
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<script src="../lib/ClassicTileDfn.js"></script>
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<script src="../lib/LtgLoader.js"></script>
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<script src="../lib/TileMasker.js"></script>
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</body>
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</html>
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