Added icons for the new paint nodes.

modules/paint/icons/icon_paint_curve_2d.svg

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   height="16"
+   viewBox="0 0 16 16"
+   width="16"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="icon_paint_curve_2d.svg"
+   inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
+   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="defs8" />
+  <sodipodi:namedview
+     id="namedview6"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     showgrid="false"
+     inkscape:zoom="27.15625"
+     inkscape:cx="2.7249712"
+     inkscape:cy="9.3164557"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="3840"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4" />
+  <path
+     d="m2.9208 1046.4c-.26373.3-.4204.7296-.4204 1.2383 0 1.6277-3.1381-.1781-.33757 2.6703.88382.899 2.6544.6701 3.5382-.2288.88384-.899.88382-2.3565 0-3.2554-1.1002-1.1191-2.2001-1.0845-2.7803-.4244zm2.3802-1.6103 2.4005 2.4416 6.8014-6.9177c.66286-.6742.66286-1.7673 0-2.4415-.66288-.6741-1.7376-.6741-2.4005 0z"
+     fill="#fc9c9c"
+     id="path2"
+     style="fill:#ffcc00"
+     transform="translate(0 -1036.4)" />
+  <path
+     d="m 14.608813,2.6765285 c -2.633176,0 -4.244494,0.8187809 -5.0573057,2.2246116 -0.8128686,1.4059254 -0.7633099,3.0485698 -0.7633099,4.4867101 0,1.4381398 -0.049559,2.6717778 -0.4839695,3.4230618 -0.4344119,0.751381 -1.317627,1.370739 -3.6736553,1.370739 a 0.83160301,0.95885608 0 1 0 0,1.917522 c 2.6331736,0 4.2444936,-0.818686 5.0573044,-2.224611 0.812868,-1.405831 0.76331,-3.048572 0.76331,-4.4867118 0,-1.4381403 0.04957,-2.6716811 0.483971,-3.4230614 0.43441,-0.7512846 1.317624,-1.37074 3.673655,-1.37074 a 0.83160301,0.95885608 0 1 0 0,-1.9175203 z"
+     fill="#e0e0e0"
+     fill-rule="evenodd"
+     id="path355"
+     style="stroke-width:0.892884" />
+</svg>

modules/paint/icons/icon_paint_polygon_2d.svg

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   height="16"
+   viewBox="0 0 16 16"
+   width="16"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="icon_paint_polygon_2d.svg"
+   inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
+   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="defs8" />
+  <sodipodi:namedview
+     id="namedview6"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     showgrid="false"
+     inkscape:zoom="19.202369"
+     inkscape:cx="-4.6348449"
+     inkscape:cy="11.561074"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="3840"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4" />
+  <path
+     d="M 14.81936,14.822095 H 2.8193602 V 2.8220951 H 14.81936 l -5.9999998,6 z"
+     fill="#a5b7f3"
+     stroke="#a5b7f3"
+     stroke-linejoin="round"
+     stroke-width="2"
+     id="path233" />
+  <path
+     d="m2.9208 1046.4c-.26373.3-.4204.7296-.4204 1.2383 0 1.6277-3.1381-.1781-.33757 2.6703.88382.899 2.6544.6701 3.5382-.2288.88384-.899.88382-2.3565 0-3.2554-1.1002-1.1191-2.2001-1.0845-2.7803-.4244zm2.3802-1.6103 2.4005 2.4416 6.8014-6.9177c.66286-.6742.66286-1.7673 0-2.4415-.66288-.6741-1.7376-.6741-2.4005 0z"
+     fill="#fc9c9c"
+     transform="translate(0 -1036.4)"
+     id="path2"
+     style="fill:#ffcc00" />
+</svg>