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-rw-r--r--doc/livarot-images/arc-threshold.svg228
-rw-r--r--doc/livarot-images/chgt-addition-sequence.svg262
-rw-r--r--doc/livarot-images/convert-back-data.svg258
-rw-r--r--doc/livarot-images/convert-lines.svg128
-rw-r--r--doc/livarot-images/convert-reconstruction.svg2516
-rw-r--r--doc/livarot-images/convert-simple-high.svg140
-rw-r--r--doc/livarot-images/convert-simple-low.svg110
-rw-r--r--doc/livarot-images/edge-sorting.svg200
-rw-r--r--doc/livarot-images/edge-winding-seed.svg81
-rw-r--r--doc/livarot-images/find-point-2.svg357
-rw-r--r--doc/livarot-images/find-point-same-opp-sweepsense.svg417
-rw-r--r--doc/livarot-images/find-point-same.svg386
-rw-r--r--doc/livarot-images/find-point.svg299
-rw-r--r--doc/livarot-images/intersection-cross-product.svg443
-rw-r--r--doc/livarot-images/intersection-cross-products.svg373
-rw-r--r--doc/livarot-images/intersection-point-calculation.svg1473
-rw-r--r--doc/livarot-images/lastChgtPt-from-avance.svg146
-rw-r--r--doc/livarot-images/problematic-intersection-case.svg185
-rw-r--r--doc/livarot-images/process-flat-to-convert.svg855
-rw-r--r--doc/livarot-images/process-flat-to-convert.svg.2020_08_20_00_55_09.0.svg566
-rw-r--r--doc/livarot-images/rounded-edge-diagonal-avoid.svg271
-rw-r--r--doc/livarot-images/sequence-convert-shape-loop.svg618
-rw-r--r--doc/livarot-images/situation-from-add-chgt.svg152
-rw-r--r--doc/livarot-images/snap-rounding-with.svg806
-rw-r--r--doc/livarot-images/snap-rounding-without.pngbin0 -> 30728 bytes
-rw-r--r--doc/livarot-images/snap-rounding-without.svg802
-rw-r--r--doc/livarot-images/sweep-tree.svg527
-rw-r--r--doc/livarot-images/sweepline-list-node-add-removal.svg524
-rw-r--r--doc/livarot-images/sweepline-list-node-event.svg749
-rw-r--r--doc/livarot-images/sweepline-list-node-intersection.svg607
-rw-r--r--doc/livarot-images/teste-intersection.svg193
-rw-r--r--doc/livarot-images/winding-brutal-bounds.svg121
-rw-r--r--doc/livarot-images/winding-brutal-endpoints-end.svg497
-rw-r--r--doc/livarot-images/winding-brutal-endpoints-start.svg511
-rw-r--r--doc/livarot-images/winding-brutal-endpoints.svg188
-rw-r--r--doc/livarot-images/winding-computation-seed.svg154
-rw-r--r--doc/livarot-images/winding-computation.svg391
-rw-r--r--doc/livarot-images/winding-fundamental-principle.svg116
38 files changed, 16650 insertions, 0 deletions
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+ id="tspan2881"
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+ <rect
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+ <text
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+ id="text2889"><tspan
+ sodipodi:role="line"
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+ <text
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+ sodipodi:role="line"
+ id="tspan2901"
+ x="44.584824"
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+ <rect
+ style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.564003;stroke-linecap:square;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"
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+ width="76.090935"
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+ sodipodi:role="line"
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+ <rect
+ style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.62235;stroke-linecap:square;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0"
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+ sodipodi:role="line"
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+ <path
+ style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker2963)"
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+ sodipodi:nodetypes="cc" />
+ <text
+ xml:space="preserve"
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+ sodipodi:role="line"
+ id="tspan2983"
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+ id="rect2987"
+ width="424.95172"
+ height="360.29645"
+ x="25.837017"
+ y="609.39429" />
+ <path
+ style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker2993)"
+ d="m 58.889602,598.3227 c 0,0 -28.189621,-102.28804 2.747075,-169.23825"
+ id="path2989"
+ sodipodi:nodetypes="cc" />
+ <text
+ xml:space="preserve"
+ id="text3007"
+ style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;white-space:pre;shape-inside:url(#rect3009)"><tspan
+ x="27.21875"
+ y="1032.0898"><tspan
+ style="font-size:16px">Note that while drawing, you do:
+</tspan></tspan><tspan
+ x="27.21875"
+ y="1052.0898"><tspan
+ style="font-size:16px">drawEdge(oldPoint, newPoint) if the edge is top to
+</tspan></tspan><tspan
+ x="27.21875"
+ y="1072.0898"><tspan
+ style="font-size:16px">bottom or horizontal (left to right), otherwise, you'd
+</tspan></tspan><tspan
+ x="27.21875"
+ y="1092.0898"><tspan
+ style="font-size:16px">do:
+</tspan></tspan><tspan
+ x="27.21875"
+ y="1112.0898"><tspan
+ style="font-size:16px">drawEdge(newPoint, oldPoint).
+</tspan></tspan><tspan
+ x="27.21875"
+ y="1132.0898"><tspan
+ style="font-size:16px">This is to ensure, the directions remain same</tspan></tspan></text>
+ </g>
+</svg>
diff --git a/doc/livarot-images/convert-simple-high.svg b/doc/livarot-images/convert-simple-high.svg
new file mode 100644
index 0000000..ccede26
--- /dev/null
+++ b/doc/livarot-images/convert-simple-high.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+ width="486.77621"
+ height="516.31232"
+ viewBox="0 0 486.77621 516.31232"
+ version="1.1"
+ id="svg6"
+ inkscape:version="1.1-dev (1a7913d4e8, 2020-08-20, custom)"
+ sodipodi:docname="convert-simple-high.svg"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:svg="http://www.w3.org/2000/svg">
+ <defs
+ id="defs2">
+ <marker
+ style="overflow:visible"
+ id="marker1121"
+ refX="0"
+ refY="0"
+ orient="auto"
+ inkscape:stockid="Arrow1Lend"
+ inkscape:isstock="true">
+ <path
+ transform="matrix(-0.8,0,0,-0.8,-10,0)"
+ style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+ d="M 0,0 5,-5 -12.5,0 5,5 Z"
+ id="path1119" />
+ </marker>
+ </defs>
+ <sodipodi:namedview
+ id="base"
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1.0"
+ inkscape:pageopacity="0.0"
+ inkscape:pageshadow="2"
+ inkscape:zoom="0.73466529"
+ inkscape:cx="392.01525"
+ inkscape:cy="432.16959"
+ inkscape:document-units="px"
+ inkscape:current-layer="layer1"
+ showgrid="false"
+ units="px"
+ width="1000px"
+ inkscape:window-width="1920"
+ inkscape:window-height="1016"
+ inkscape:window-x="0"
+ inkscape:window-y="27"
+ inkscape:window-maximized="1"
+ fit-margin-top="10"
+ fit-margin-left="10"
+ fit-margin-right="10"
+ fit-margin-bottom="10" />
+ <g
+ inkscape:label="Layer 1"
+ inkscape:groupmode="layer"
+ id="layer1"
+ transform="translate(-31.206402,-35.657172)">
+ <path
+ style="fill:none;stroke:#000000;stroke-width:2.86674;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
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+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle833"
+ cx="121.911"
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+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle835"
+ cx="251.64296"
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+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
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+ r="6.4003329" />
+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle839"
+ cx="501.58228"
+ cy="62.199787"
+ r="6.4003329" />
+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle1025"
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+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle1027"
+ cx="166.1521"
+ cy="310.74799"
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+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle1029"
+ cx="200.8325"
+ cy="247.2348"
+ r="6.4003329" />
+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle1031"
+ cx="301.32437"
+ cy="142.98907"
+ r="6.4003329" />
+ <circle
+ style="fill:#ff0000;fill-rule:evenodd;stroke:none;stroke-width:7.33666;stroke-miterlimit:4;stroke-dasharray:none"
+ id="circle1033"
+ cx="430.7309"
+ cy="79.271164"
+ r="6.4003329" />
+ <text
+ xml:space="preserve"
+ style="font-size:15.2893px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;stroke-width:0.573347"
+ x="40.198563"
+ y="57.273457"
+ id="text1043"><tspan
+ sodipodi:role="line"
+ id="tspan1041"
+ x="40.198563"
+ y="57.273457"
+ style="stroke-width:0.573347">Smaller Threshold</tspan></text>
+ </g>
+</svg>
diff --git a/doc/livarot-images/convert-simple-low.svg b/doc/livarot-images/convert-simple-low.svg
new file mode 100644
index 0000000..5feaa53
--- /dev/null
+++ b/doc/livarot-images/convert-simple-low.svg
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+ width="396.13266"
+ height="420.10977"
+ viewBox="0 0 396.13266 420.10977"
+ version="1.1"
+ id="svg6"
+ inkscape:version="1.1-dev (1a7913d4e8, 2020-08-20, custom)"
+ sodipodi:docname="convert-simple-low.svg"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:svg="http://www.w3.org/2000/svg">
+ <defs
+ id="defs2">
+ <marker
+ style="overflow:visible"
+ id="marker1121"
+ refX="0"
+ refY="0"
+ orient="auto"
+ inkscape:stockid="Arrow1Lend"
+ inkscape:isstock="true">
+ <path
+ transform="matrix(-0.8,0,0,-0.8,-10,0)"
+ style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+ d="M 0,0 5,-5 -12.5,0 5,5 Z"
+ id="path1119" />
+ </marker>
+ </defs>
+ <sodipodi:namedview
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+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1.0"
+ inkscape:pageopacity="0.0"
+ inkscape:pageshadow="2"
+ inkscape:zoom="1"
+ inkscape:cx="351"
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+ inkscape:current-layer="layer1"
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+ id="tspan1431">Added.</tspan></text>
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+ sodipodi:role="line"
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+ id="tspan1441">or</tspan><tspan
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+ y="381.37952"
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diff --git a/doc/livarot-images/process-flat-to-convert.svg.2020_08_20_00_55_09.0.svg b/doc/livarot-images/process-flat-to-convert.svg.2020_08_20_00_55_09.0.svg
new file mode 100644
index 0000000..33c525e
--- /dev/null
+++ b/doc/livarot-images/process-flat-to-convert.svg.2020_08_20_00_55_09.0.svg
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+ y="150.03897"
+ id="text861"><tspan
+ sodipodi:role="line"
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+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="799.82977"
+ y="150.34343"
+ id="text865"><tspan
+ sodipodi:role="line"
+ id="tspan863"
+ x="799.82977"
+ y="150.34343">...</tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="438.8143"
+ y="334.28433"
+ id="text869"><tspan
+ sodipodi:role="line"
+ id="tspan867"
+ x="438.8143"
+ y="334.28433">Node B</tspan></text>
+ <path
+ style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker875)"
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+ <text
+ xml:space="preserve"
+ style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
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+ x="482.88586"
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+ <path
+ style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-start:url(#marker1235);marker-end:url(#marker1219)"
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+ sodipodi:role="line"
+ x="136.2262"
+ y="336.39407"
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+ y="356.39407"
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+ sodipodi:role="line"
+ x="650.39099"
+ y="326.96677"
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+ y="346.96677"
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+ x="406.17383"
+ y="83.143784"
+ id="text1355"><tspan
+ sodipodi:role="line"
+ id="tspan1353"
+ x="406.17383"
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+ x="163.45003"
+ y="593.651" />
+ <rect
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+ id="rect1395"
+ width="144.05873"
+ height="72.029366"
+ x="664.37152"
+ y="593.651" />
+ <path
+ style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1501)"
+ d="m 321.20528,628.87828 h 64.22195"
+ id="path1397"
+ sodipodi:nodetypes="cc" />
+ <text
+ xml:space="preserve"
+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
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+ y="639.50427"
+ id="text1401"><tspan
+ sodipodi:role="line"
+ id="tspan1399"
+ x="186.91988"
+ y="639.50427">Node A</tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="688.48956"
+ y="639.53534"
+ id="text1405"><tspan
+ sodipodi:role="line"
+ id="tspan1403"
+ x="688.48956"
+ y="639.53534">Node C</tspan></text>
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+ id="rect1407"
+ width="144.05873"
+ height="72.029366"
+ x="408.97522"
+ y="593.33228" />
+ <text
+ xml:space="preserve"
+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="106.44588"
+ y="630.61597"
+ id="text1411"><tspan
+ sodipodi:role="line"
+ id="tspan1409"
+ x="106.44588"
+ y="630.61597">...</tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="868.15045"
+ y="630.92041"
+ id="text1415"><tspan
+ sodipodi:role="line"
+ id="tspan1413"
+ x="868.15045"
+ y="630.92041">...</tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="431.77612"
+ y="638.60706"
+ id="text1419"><tspan
+ sodipodi:role="line"
+ id="tspan1417"
+ x="431.77612"
+ y="638.60706">Node B</tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="396.54059"
+ y="708.59326"
+ id="text1443"><tspan
+ sodipodi:role="line"
+ x="396.54059"
+ y="708.59326"
+ style="font-size:16px"
+ id="tspan1441">Node B is to removed!</tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-size:26.6667px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="390.60059"
+ y="554.08777"
+ id="text1447"><tspan
+ sodipodi:role="line"
+ id="tspan1445"
+ x="390.60059"
+ y="554.08777">Node Removal</tspan></text>
+ <path
+ style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#marker1603)"
+ d="m 575.83993,628.89852 h 64.22195"
+ id="path1599"
+ sodipodi:nodetypes="cc" />
+ <text
+ xml:space="preserve"
+ style="font-size:200px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="421.59924"
+ y="689.41443"
+ id="text1657"><tspan
+ sodipodi:role="line"
+ id="tspan1655"
+ x="421.59924"
+ y="689.41443"
+ style="font-size:200px;fill:#ff0000">x</tspan></text>
+ <path
+ style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-start:url(#marker1461);marker-end:url(#marker1675)"
+ d="m 235.19859,678.95928 c 0,0 261.58614,386.40472 501.64177,-0.73691"
+ id="path1659" />
+ <text
+ xml:space="preserve"
+ style="font-size:16px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px"
+ x="334.86252"
+ y="879.20044"
+ id="text1697"><tspan
+ sodipodi:role="line"
+ id="tspan1695"
+ x="334.86252"
+ y="879.20044"
+ style="font-size:16px">Test intersection of Node A and Node C</tspan></text>
+ </g>
+ </g>
+</svg>
diff --git a/doc/livarot-images/sweepline-list-node-event.svg b/doc/livarot-images/sweepline-list-node-event.svg
new file mode 100644
index 0000000..113b038
--- /dev/null
+++ b/doc/livarot-images/sweepline-list-node-event.svg
@@ -0,0 +1,749 @@
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new file mode 100644
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new file mode 100644
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