mirror of
https://github.com/scratchfoundation/paper.js.git
synced 2025-01-07 13:22:07 -05:00
511 lines
18 KiB
JavaScript
511 lines
18 KiB
JavaScript
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paper.install(window);
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/**
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* http://stackoverflow.com/questions/6875625/does-javascript-provide-a-high-resolution-timer
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*/
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if (window.performance.now) {
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console.log("Using high performance timer");
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getTimestamp = function() { return window.performance.now(); };
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} else {
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if (window.performance.webkitNow) {
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console.log("Using webkit high performance timer");
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getTimestamp = function() { return window.performance.webkitNow(); };
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} else {
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console.log("Using low performance timer");
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getTimestamp = function() { return new Date().getTime(); };
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}
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}
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function runTests() {
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var caption, pathA, pathB, group, testname, testdata = [];
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var container = document.getElementById( 'container' );
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function runTest(testName, handler) {
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var caption = document.createElement('h3');
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var canvas = document.createElement('canvas');
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caption.appendChild(document.createTextNode(testName));
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container.appendChild(caption);
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container.appendChild(canvas);
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setTimeout(function() {
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console.log('\n' + testName);
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paper.setup(canvas);
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var paths = handler();
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testBooleanStatic(paths[0], paths[1]);
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}, 0);
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return caption;
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}
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testname = 'Overlapping circles';
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caption = prepareTest( testname, container );
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pathA = new Path.Circle(new Point(80, 110), 50);
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pathB = new Path.Circle(new Point(150, 110), 70);
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Polygon and square';
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caption = prepareTest( testname, container );
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pathA = new Path.RegularPolygon(new Point(80, 110), 12, 80);
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pathB = new Path.Rectangle(new Point(100, 80), [80, 80] );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Circle and square (overlaps exactly on existing segments)';
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caption = prepareTest( testname, container );
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pathA = new Path.Circle(new Point(110, 110), 80);
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pathB = new Path.Rectangle(new Point(110, 110), [80, 80] );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Circle and square (existing segments overlaps on curves)';
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caption = prepareTest( testname, container );
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pathA = new Path.Circle(new Point(110, 110), 80);
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pathB = new Path.Rectangle(new Point(110, 110), [100, 100] );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Square and square (one segment overlaps on a line)';
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caption = prepareTest( testname, container );
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pathA = new Path.Rectangle(new Point(80, 125), [50, 50] );
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pathA.rotate( 45 );
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pathB = new Path.Rectangle(new Point(pathA.segments[2].point.x, 110), [80, 80] );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Rectangle and rectangle (overlaps exactly on existing curves)';
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caption = prepareTest( testname, container );
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pathA = new Path.Rectangle(new Point(30.5, 50.5), [100, 150]);
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pathB = new Path.Rectangle(new Point(130.5, 60.5), [100, 150]);
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Circle and banana (multiple intersections within same curve segment)';
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caption = prepareTest( testname, container );
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pathA = new Path.Circle(new Point(80, 110), 80);
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pathB = new Path.Circle(new Point(130, 110), 80 );
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pathB.segments[3].point = pathB.segments[3].point.add( [ 0, -120 ] );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Overlapping stars 1';
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caption = prepareTest( testname, container );
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pathA = new Path.Star(new Point(80, 110), 10, 20, 80);
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pathB = new Path.Star(new Point(120, 110), 10, 30, 100);
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Overlapping stars 2';
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caption = prepareTest( testname, container );
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pathA = new Path.Star(new Point(110, 110), 20, 20, 80);
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pathB = new Path.Star(new Point(110, 110), 6, 30, 100);
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Circles overlap exactly over each other';
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// caption = prepareTest( testname, container );
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// pathA = new Path.Circle(new Point(110, 110), 100);
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// pathB = new Path.Circle(new Point(110, 110), 100 );
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// // pathB.translate([0.5,0])
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// testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Maximum possible intersections between 2 cubic bezier curve segments - 9';
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caption = prepareTest( testname, container );
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pathA = new Path();
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pathA.add( new Segment( [173, 44], [-281, 268], [-86, 152] ) );
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pathA.add( new Segment( [47, 93], [-89, 100], [240, -239] ) );
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pathA.closed = true;
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pathB = pathA.clone();
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pathB.rotate( -90 );
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pathA.translate( [-10,0] );
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pathB.translate( [10,0] );
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testIntersections( pathA, pathB, caption, testname, testdata );
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// annotatePath( pathA, null, '#008' );
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// annotatePath( pathB, null, '#800' );
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view.draw();
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testname = 'SVG gears';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'svggears' ) );
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pathA = group.children[0];
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pathB = group.children[1];
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'Glyphs imported from SVG';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'glyphsys' ) );
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pathA = group.children[0];
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pathB = group.children[1];
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'CompoundPaths 1';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'glyphsacirc' ) );
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pathA = group.children[0];
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pathB = group.children[1];
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'CompoundPaths 2 - holes';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'glyphsacirc' ) );
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pathA = group.children[0];
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pathB = new CompoundPath();
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group.children[1].clockwise = true;
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pathB.addChild(group.children[1]);
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var npath = new Path.Circle([110, 110], 30);
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pathB.addChild( npath );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'CompoundPaths 3 !';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'svggreenland' ) );
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pathA = group.children[0];
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pathB = group.children[1];
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pathB.scale( 0.5, 1 ).translate( [25.5, 0] );
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// pathA.scale( 2 );
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// pathB.scale( 2 );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'CompoundPaths 4 - holes and islands 1';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'glyphsacirc' ) );
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pathA = group.children[0];
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pathB = new CompoundPath();
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group.children[1].clockwise = true;
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pathB.addChild(group.children[1]);
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var npath = new Path.Circle([40, 80], 20);
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pathB.addChild( npath );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'CompoundPaths 5 - holes and islands 2';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'glyphsacirc' ) );
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pathA = group.children[0];
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pathB = new CompoundPath();
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group.children[1].clockwise = true;
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pathB.addChild(group.children[1]);
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var npath = new Path.Circle([40, 80], 20);
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pathB.addChild( npath );
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npath = new Path.Circle([120, 110], 30);
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pathB.addChild( npath );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'CompoundPaths 6 - holes and islands 3';
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caption = prepareTest( testname, container );
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group = paper.project.importSVG( document.getElementById( 'glyphsacirc' ) );
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pathA = group.children[0];
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pathB = new CompoundPath();
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var npath = new Path.Circle([110, 110], 100);
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pathB.addChild( npath );
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npath = new Path.Circle([110, 110], 60);
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pathB.addChild( npath );
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npath = new Path.Circle([110, 110], 30);
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pathB.addChild( npath );
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testIntersections( pathA, pathB, caption, testname, testdata );
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testname = 'CompoundPaths 6 - holes and islands 4 (curves overlap exactly on existing curves)';
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caption = prepareTest( testname, container );
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pathA = new Path.Rectangle(new Point(50.5, 50.5), [100, 120]);
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pathB = new CompoundPath();
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pathB.addChild( new Path.Rectangle(new Point(140.5, 30.5), [100, 150]) );
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pathB.addChild( new Path.Rectangle(new Point(150.5, 65.5), [50, 100]) );
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// pathB = new Path.Rectangle(new Point(150.5, 80.5), [80, 80] );
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testIntersections( pathA, pathB, caption, testname, testdata );
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// Plot the run times
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prepareTest( 'Results', container, true );
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var x = 80.5, y = 15.5, width = 500, height = 190, i, txt, ny,
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yy = y + height, xx = x + width;
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var ppaperfill = new Path(), pfatfill = new Path();
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var ppaper = new Path(), pfat = new Path();
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var max = testdata.reduce(function( a, b ){ return Math.max( a, b.paperTime + b.fatTime ); }, 0) + 20;
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var vscale = height / max, hscale = width / testdata.length;
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var caxes = '#999', ctxt = '#222', ctxt2 = '#555', cpaper = '#268BD2', cpaperfill ='#B5E1FF',
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cfat = '#D33682', cfatfill = '#FFADD4';
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new Path.Line( x, yy, xx, yy ).style.strokeColor = caxes;
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new Path.Line( x, yy, x, y ).style.strokeColor = caxes;
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for( i = 0; i < 10 ; i++ ){
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ny = yy - vscale * max * i / 10;
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new Path.Line( x, ny, x-5, ny ).style.strokeColor = caxes;
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txt = new PointText( [x-10, ny] );
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txt.justification = 'right';
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txt.fillColor = (i%2)? ctxt: ctxt2;
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txt.content = (max * i / 10).toFixed(1) + ((!i)? ' ms' : '');
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}
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ppaperfill.add( new Segment( x, yy ) );
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pfatfill.add( new Segment( x, yy ) );
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var vx = x, clr = ctxt;
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var coords = [], avgPaper = 0, avgFat = 0;
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testdata.map(function(data){
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avgPaper += data.paperTime;
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ny = yy - (data.paperTime + data.fatTime) * vscale;
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ppaper.add( new Segment([vx, ny]) );
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ppaperfill.add( new Segment([vx, ny]) );
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var np = new Point( vx, ny );
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np._data = data;
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np._datatype = 'paper';
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coords.push( np );
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avgFat += data.fatTime;
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ny = yy - (data.fatTime) * vscale;
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pfat.add( new Segment([vx, ny]) );
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pfatfill.add( new Segment([vx, ny]) );
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np = new Point( vx, ny );
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np._data = data;
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np._datatype = 'fat';
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coords.push( np );
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new Path.Line( vx, yy, vx, yy + 5 ).style.strokeColor = caxes;
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txt = new PointText( [vx, yy+18] );
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txt.justification = 'left';
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txt.fillColor = clr;
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txt.content = data.name;
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txt.rotate( 30, new Point(vx, yy+10) );
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clr = ( clr === ctxt )? ctxt2 : ctxt;
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vx += hscale;
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});
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ppaper.style.strokeWidth = 2;
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ppaper.style.strokeColor = cpaper;
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ppaperfill.add( new Segment( xx, yy ) );
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ppaperfill.closed = true;
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ppaperfill.style.fillColor = cpaperfill;
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pfat.style.strokeWidth = 2;
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pfat.style.strokeColor = cfat;
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pfatfill.add( new Segment( xx, yy ) );
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pfatfill.closed = true;
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pfatfill.style.fillColor = cfatfill;
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avgPaper/= testdata.length;
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avgFat/= testdata.length;
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ny = Math.round(yy - avgPaper * vscale) + 0.5;
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new Path.Line(x, ny, xx, ny).style.strokeColor = cpaper;
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txt = new PointText( [xx, ny] );
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txt.justification = 'right';
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txt.fillColor = cpaper;
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txt.content = avgPaper.toFixed(1);
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ny = Math.round(yy - avgFat * vscale) + 0.5;
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new Path.Line(x, ny, xx, ny).style.strokeColor = cfat;
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txt = new PointText( [xx, ny] );
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txt.justification = 'right';
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txt.fillColor = cfat;
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txt.content = avgFat.toFixed(1);
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var tool = new Tool();
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tool.onMouseMove = function( e ){
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var len = coords.length;
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var data = null, dist = Infinity, dst, pnt = null, type = 'paper';
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while( len-- ){
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dst = e.point.getDistance( coords[len], true );
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if( dst < dist ){
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pnt = coords[len];
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data = coords[len]._data;
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type = coords[len]._datatype;
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dist = dst;
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}
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}
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if( dist > 500 ){ return; }
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if( pnt && data ){
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var p = new Path.Line( pnt.x+0.5, y, pnt.x+0.5, yy );
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p.style.strokeColor = '#000';
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p.removeOnMove();
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p = new Path.Circle( pnt, 3 );
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p.style.fillColor = (type === 'fat')? '#D33682' :'#268BD2';
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p.removeOnMove();
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var txt = new PointText( [ 500, 20 ] );
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txt.content = 'paper.js : ' + data.paperTime.toFixed(1) + ' ms';
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txt.fillColor = '#222';
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txt.removeOnMove();
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txt = new PointText( [ 500, 36 ] );
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txt.content = 'fatline : ' + data.fatTime.toFixed(1) + ' ms';
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txt.fillColor = '#222';
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txt.removeOnMove();
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}
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};
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function prepareTest( testName, parentNode, _big ){
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console.log( '\n' + testName );
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var caption = document.createElement('h3');
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caption.appendChild( document.createTextNode( testName ) );
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var canvas = document.createElement('CANVAS');
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if(_big){
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canvas.className += ' big';
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}
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parentNode.appendChild( caption );
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parentNode.appendChild( canvas );
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paper.setup( canvas );
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return caption;
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}
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}
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var pathStyleIx = {
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fillColor: new Color( 0.8, 0, 0 ),
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strokeColor: new Color( 0, 0, 0 )
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};
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var pathStyleNormal = {
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strokeColor: new Color( 0, 0, 0 ),
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fillColor: new Color( 0, 0, 0, 0.1 ),
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strokeWidth: 1
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};
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var pathStyleBoolean = {
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strokeColor: new Color( 0,0,0,0.4 ),
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fillColor: new Color( 0, 0, 0, 0.0 ),
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strokeWidth: 1
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};
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// Better if path1 and path2 fit nicely inside a 200x200 pixels rect
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function testIntersections( path1, path2, caption, testname, testdata) {
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var maxCount = 10, count = maxCount, st, t1, t2, ixsPaper, ixsFatline;
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try{
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path1.style = path2.style = pathStyleNormal;
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console.time('paperjs x ' + maxCount);
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st = getTimestamp();
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while(count--){
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ixsPaper = path1.getIntersections( path2 );
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}
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t1 = (getTimestamp() - st) / maxCount;
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console.timeEnd('paperjs x ' + maxCount);
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count = maxCount;
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console.time('fatline x ' + maxCount);
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st = getTimestamp();
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while(count--){
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ixsFatline = getIntersections2( path1, path2 );
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}
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t2 = (getTimestamp() - st) / maxCount;
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console.timeEnd('fatline x ' + maxCount);
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markIntersections( ixsPaper, '#00f', 'paperjs' );
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markIntersections( ixsFatline, '#f00', 'fatline' );
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} catch(e){
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t1 = t2 = 0;
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console.error( e.name + ": " + e.message );
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if( caption ) { caption.className += ' error'; }
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}finally{
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console.timeEnd(caption + ' paperjs');
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console.timeEnd(caption + ' fatline');
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view.draw();
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testdata.push({
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name: testname,
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paperTime: t1,
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fatTime: t2,
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success: ixsPaper.length === ixsFatline.length
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});
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}
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}
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function markIntersections( ixs, c, txt ){
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for (i = 0, len = ixs.length; i < len; i++) {
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// markPoint( ixs[i].point, ixs[i].parameter );
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markPoint( ixs[i].point, ' ', c, null, false );
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// console.log( txt , ixs[i].parameter )
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}
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}
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// ==============================================================
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// On screen debug helpers
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function markPoint( pnt, t, c, tc, remove ) {
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if( !pnt ) return;
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c = c || '#000';
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if( remove === undefined ){ remove = true; }
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var cir = new Path.Circle( pnt, 2 );
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cir.style.fillColor = c;
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cir.style.strokeColor = tc;
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if( t !== undefined || t !== null ){
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var text = new PointText( pnt.add([0, -3]) );
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text.justification = 'center';
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text.fillColor = c;
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text.content = t;
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if( remove ){
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text.removeOnMove();
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}
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}
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if( remove ) {
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cir.removeOnMove();
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}
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}
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function markCurve( crv, c, flag) {
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if( !crv ) return;
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c = c || '#000';
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if( flag ){
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if( window.__p1 ) window.__p1.remove();
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window.__p1 = new Path(
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new Segment( [crv[0], crv[1]], null, [crv[2] - crv[0], crv[3] - crv[1]] ),
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new Segment( [crv[6], crv[7]], [crv[4] - crv[6], crv[5] - crv[7]], null )
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);
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window.__p1.style.strokeColor = c;
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// window.__p1.fullySelected = true;
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} else {
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if( window.__p2 ) window.__p2.remove();
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window.__p2 = new Path(
|
|
new Segment( [crv[0], crv[1]], null, [crv[2] - crv[0], crv[3] - crv[1]] ),
|
|
new Segment( [crv[6], crv[7]], [crv[4] - crv[6], crv[5] - crv[7]], null )
|
|
);
|
|
window.__p2.style.strokeColor = c;
|
|
// window.__p2.fullySelected = true;
|
|
}
|
|
view.draw();
|
|
}
|
|
|
|
function annotatePath( path, t, c, tc, remove ) {
|
|
if( !path ) return;
|
|
var crvs = path.curves;
|
|
for (i = crvs.length - 1; i >= 0; i--) {
|
|
annotateCurve( crvs[i], t, c, tc, remove );
|
|
}
|
|
var segs = path.segments;
|
|
for (i = segs.length - 1; i >= 0; i--) {
|
|
annotateSegment( segs[i], t, c, tc, remove, true );
|
|
}
|
|
}
|
|
|
|
function annotateSegment( s, t, c, tc, remove, skipCurves ) {
|
|
if( !s ) return;
|
|
c = c || '#000';
|
|
tc = tc || '#ccc';
|
|
t = t || s.index;
|
|
if( remove === undefined ){ remove = true; }
|
|
var crv = s.curve;
|
|
var t1 = crv.getNormal( 0 ).normalize( 10 );
|
|
var p = s.point.clone().add( t1 );
|
|
var cir = new Path.Circle( s.point, 2 );
|
|
cir.style.fillColor = c;
|
|
cir.style.strokeColor = tc;
|
|
var text = new PointText( p );
|
|
text.justification = 'center';
|
|
text.fillColor = c;
|
|
text.content = t;
|
|
if( remove ) {
|
|
cir.removeOnMove();
|
|
text.removeOnMove();
|
|
}
|
|
if( !skipCurves ) {
|
|
annotateCurve( s.curveIn, null, c, tc, remove );
|
|
annotateCurve( s.curveOut, null, c, tc, remove );
|
|
}
|
|
}
|
|
|
|
function annotateCurve( crv, t, c, tc, remove ) {
|
|
if( !crv ) return;
|
|
c = c || '#000';
|
|
tc = tc || '#ccc';
|
|
t = t || crv.index;
|
|
if( remove === undefined ){ remove = true; }
|
|
var p = crv.getPoint( 0.57 );
|
|
var t1 = crv.getTangent( 0.57 ).normalize( -10 );
|
|
var p2 = p.clone().add( t1 );
|
|
var l = new Path.Line( p, p2 ).rotate( 30, p );
|
|
var l2 = new Path.Line( p, p2 ).rotate( -30, p );
|
|
p = crv.getPoint( 0.43 );
|
|
var cir = new Path.Circle( p, 8 );
|
|
var text = new PointText( p.subtract( [0, -4] ) );
|
|
text.justification = 'center';
|
|
text.fillColor = tc;
|
|
text.content = t;
|
|
l.style.strokeColor = l2.style.strokeColor = c;
|
|
cir.style.fillColor = c;
|
|
if( remove ) {
|
|
l.removeOnMove();
|
|
l2.removeOnMove();
|
|
cir.removeOnMove();
|
|
text.removeOnMove();
|
|
}
|
|
}
|