Adding upstream version 1.3+ds.upstream/1.3+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

38 files changed, 16650 insertions, 0 deletions

diff --git a/doc/livarot-images/arc-threshold.svg b/doc/livarot-images/arc-threshold.svg
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+</tspan></tspan><tspan
+         x="27.21875"
+         y="1092.0898"><tspan
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+         y="1132.0898"><tspan
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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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diff --git a/doc/livarot-images/process-flat-to-convert.svg b/doc/livarot-images/process-flat-to-convert.svg
new file mode 100644
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+         sodipodi:role="line"
+         x="29.738272"
+         y="425.5047"
+         id="tspan1431">Added.</tspan></text>
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+       id="text1437"><tspan
+         sodipodi:role="line"
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+         sodipodi:role="line"
+         x="373.73657"
+         y="417.03018"
+         id="tspan1441">or</tspan><tspan
+         sodipodi:role="line"
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+         y="450.36356"
+         id="tspan1443">Path::ConvertWithBackData</tspan></text>
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+    <text
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+       id="text1460"><tspan
+         sodipodi:role="line"
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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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diff --git a/doc/livarot-images/sweepline-list-node-add-removal.svg b/doc/livarot-images/sweepline-list-node-add-removal.svg
new file mode 100644
index 0000000..10dd86e
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+           style="font-size:16px"
+           id="tspan1285">and 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="650.39099"
+         y="326.96677"
+         id="text1291"><tspan
+           sodipodi:role="line"
+           x="650.39099"
+           y="326.96677"
+           style="font-size:16px"
+           id="tspan1295">Test interesction of Node B</tspan><tspan
+           sodipodi:role="line"
+           x="650.39099"
+           y="346.96677"
+           style="font-size:16px"
+           id="tspan1299">and Node C</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="406.17383"
+         y="83.143784"
+         id="text1355"><tspan
+           sodipodi:role="line"
+           id="tspan1353"
+           x="406.17383"
+           y="83.143784">Node Insertion</tspan></text>
+    </g>
+    <g
+       id="g1993">
+      <rect
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:5;stroke-miterlimit:4;stroke-dasharray:none"
+         id="rect1393"
+         width="144.05873"
+         height="72.029366"
+         x="163.45003"
+         y="593.651" />
+      <rect
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:5;stroke-miterlimit:4;stroke-dasharray:none"
+         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"
+         x="186.91988"
+         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>
+      <rect
+         style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:5;stroke-miterlimit:4;stroke-dasharray:none"
+         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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diff --git a/doc/livarot-images/winding-fundamental-principle.svg b/doc/livarot-images/winding-fundamental-principle.svg
new file mode 100644
index 0000000..902e780
--- /dev/null
+++ b/doc/livarot-images/winding-fundamental-principle.svg
@@ -0,0 +1,116 @@
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