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test.htm
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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<title>Test Conversion from SVG to LDraw</title>
<meta name="viewport" content="width=device-width" />
<style>body { background-color: #ddd; } object, svg { background-color: white; }</style>
</head>
<body onload="convert_svg();">
<script src="js/colors.js"></script>
<script src="js/geometry.js"></script>
<script src="js/color_transformation.js"></script>
<script src="js/path_simplification.js"></script>
<script src="js/bezier_removal.js"></script>
<script src="js/arc_removal.js"></script>
<script src="js/convex_hull_decomposition.js"></script>
<script src="js/tjunctions.js"></script>
<script src="js/svg2ldraw.js"></script>
<h3>SVG to Convert</h3>
<object id="svg_container"
data="sample_files/testc.svg"
type="image/svg+xml"></object>
<pre id="svg_content"></pre>
<h3>Processed SVG</h3>
<div id="svg_processed">
</div>
<pre id="svg_content_processed"></pre>
<h3>LDraw</h3>
<div id="svg_ldraw">
</div>
<pre id="ldraw_result"></pre>
<script>
function onWarning(w, e) {
console.warn(w);
console.warn(e);
}
function onError(e) {
console.warn('Error: ' + e);
}
function convert_svg() {
var svg = document.getElementById('svg_container').contentDocument.firstElementChild;
// Simplify:
var simplifier = new UTIL.PathSimplification(0.3, onWarning, onError);
var simplifiedPaths = simplifier.simplifySvgDom(svg);
// Remove overlapping geometries:
var paths = {paths:[], width:simplifiedPaths.width, height:simplifiedPaths.height, viewBox:simplifiedPaths.viewBox};
for(var i = simplifiedPaths.paths.length-1; i >= 0; i--) {
var chd = new UTIL.ConvexHullDecomposition([simplifiedPaths.paths[i]], onWarning);
chd.build();
if(paths.paths.length == 0) {
paths.paths.push(...chd.paths);
}
else {
paths.paths.push(...UTIL.cut(paths.paths, chd.paths));
}
}
// Add points to prevent T-sections and to be able to combine paths:
var tjHandler = new UTIL.TJunctionHandler(onWarning);
paths.paths = tjHandler.addPoints(paths.paths);
// Combine paths:
paths.paths = UTIL.combinePaths(paths.paths);
// Ensure all paths are convex:
var chd = new UTIL.ConvexHullDecomposition(paths.paths, onWarning);
chd.build();
paths.paths = chd.paths;
// Re-add points to avoid T-Junctions:
paths.paths = tjHandler.addPoints(paths.paths);
// Output SVG:
var svg = simplifier.svgObjToSvg(paths);
document.getElementById('svg_processed').innerHTML = svg;
document.getElementById('svg_content_processed').appendChild(document.createTextNode(svg));
// Colors for LDraw:
var colorTransformation = new LDR.ColorTransformation(); // Option initial mapping as argument
colorTransformation.transformPaths(paths.paths, function(){});
// LDraw:
var lDrawContent = new SVG2LDRAW.Svg().toLDraw(paths, 1, 1, 0, 1); // Last parameters: Thickness, color 1=blue.
var lDrawSvg = simplifier.svgObjToSvg(paths);
document.getElementById('svg_ldraw').innerHTML = lDrawSvg;
document.getElementById('ldraw_result').appendChild(document.createTextNode(lDrawContent));
}
</script>
</body>
</html>