multi zones

web/src/components/settings/PolygonCanvas.tsx

@@ -72,6 +72,7 @@ export function PolygonCanvas({
     };
     videoElement.addEventListener("load", onload);
     return () => {
+      console.log("unloading");
       videoElement.removeEventListener("load", onload);
     };
   }, [videoElement]);
@@ -112,34 +113,34 @@ export function PolygonCanvas({
   };
 
   const handleMouseDown = (e: KonvaEventObject<MouseEvent>) => {
-    if (activePolygonIndex === null || !polygons) {
+    if (!activePolygonIndex || !polygons) {
       return;
     }
     console.log("mouse down polygons", polygons);
     console.log(activePolygonIndex);
 
-    if (!polygons[activePolygonIndex].points.length) {
-      // Start a new polygon
-      const stage = e.target.getStage()!;
-      const mousePos = getMousePos(stage);
-      setPolygons([
-        ...polygons,
-        {
-          name: "foo",
-          points: [mousePos],
-          isFinished: false,
-        },
-      ]);
-      setActivePolygonIndex(polygons.length);
-    } else {
+    // if (!polygons[activePolygonIndex].points.length) {
+    //   // Start a new polygon
+    //   const stage = e.target.getStage()!;
+    //   const mousePos = getMousePos(stage);
+    //   setPolygons([
+    //     ...polygons,
+    //     {
+    //       name: "foo",
+    //       points: [mousePos],
+    //       isFinished: false,
+    //     },
+    //   ]);
+    //   setActivePolygonIndex(polygons.length);
+    // } else {
     const updatedPolygons = [...polygons];
     const activePolygon = updatedPolygons[activePolygonIndex];
     const stage = e.target.getStage()!;
     const mousePos = getMousePos(stage);
 
     if (
-        isMouseOverPoint(activePolygon, mousePos) &&
-        activePolygon.points.length >= 3
+      activePolygon.points.length >= 3 &&
+      isMouseOverPoint(activePolygon, mousePos)
     ) {
       // Close the polygon
       updatedPolygons[activePolygonIndex] = {
@@ -158,7 +159,7 @@ export function PolygonCanvas({
         setPolygons(updatedPolygons);
       }
     }
-    }
+    // }
   };
 
   const handleMouseMove = (e: KonvaEventObject<MouseEvent>) => {
@@ -177,16 +178,16 @@ export function PolygonCanvas({
   };
 
   const handleMouseOutStartPoint = (e: KonvaEventObject<MouseEvent>) => {
-    console.log("active index:", activePolygonIndex);
+    // console.log("active index:", activePolygonIndex);
     e.currentTarget.scale({ x: 1, y: 1 });
     if (activePolygonIndex !== null && polygons) {
       const activePolygon = polygons[activePolygonIndex];
-      console.log(activePolygon);
+      // console.log(activePolygon);
       if (
         (!activePolygon.isFinished && activePolygon.points.length >= 3) ||
         activePolygon.isFinished
       ) {
-        console.log(e.currentTarget);
+        // console.log(e.currentTarget);
         e.currentTarget.scale({ x: 1, y: 1 });
       }
     }
@@ -237,13 +238,14 @@ export function PolygonCanvas({
       setPolygons(updatedPolygons);
     }
   };
+  // console.log("rendering canvas", Date.now());
 
   return (
     <Stage
       ref={stageRef}
       width={width}
       height={height}
-      onMouseMove={handleMouseMove}
+      // onMouseMove={handleMouseMove}
       onMouseDown={handleMouseDown}
     >
       <Layer>
@@ -255,8 +257,7 @@ export function PolygonCanvas({
           width={width}
           height={height}
         />
-        {polygons &&
-          polygons.map((polygon, index) => (
+        {polygons?.map((polygon, index) => (
           <PolygonDrawer
             key={index}
             points={polygon.points}

web/src/components/settings/Zones.tsx

@@ -8,6 +8,14 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select";
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "@/components/ui/table";
 import { FrigateConfig } from "@/types/frigateConfig";
 import useSWR from "swr";
 import ActivityIndicator from "@/components/indicators/activity-indicator";
@@ -21,6 +29,7 @@ import { isDesktop } from "react-device-detect";
 import PolygonControls from "./PolygonControls";
 import { Skeleton } from "../ui/skeleton";
 import { useResizeObserver } from "@/hooks/resize-observer";
+import { LuPencil } from "react-icons/lu";
 
 const parseCoordinates = (coordinatesString: string) => {
   const coordinates = coordinatesString.split(",");
@@ -97,26 +106,30 @@ export default function SettingsZones() {
     }
   }, [cameraAspect]);
 
-  const [{ width: containerWidth, height: containerHeight }] =
-    useResizeObserver(containerRef);
+  // const [{ width: containerWidth, height: containerHeight }] =
+  //   useResizeObserver(containerRef);
+  const containerWidth = containerRef.current?.clientWidth;
+  const containerHeight = containerRef.current?.clientHeight;
 
   // Add scrollbar width (when visible) to the available observer width to eliminate screen juddering.
   // https://github.com/blakeblackshear/frigate/issues/1657
   let scrollBarWidth = 0;
-  if (window.innerWidth && document.body.offsetWidth) {
-    scrollBarWidth = window.innerWidth - document.body.offsetWidth;
-  }
-  const availableWidth = scrollBarWidth
-    ? containerWidth + scrollBarWidth
-    : containerWidth;
+  // if (window.innerWidth && document.body.offsetWidth) {
+  //   scrollBarWidth = window.innerWidth - document.body.offsetWidth;
+  // }
+  // const availableWidth = scrollBarWidth
+  //   ? containerWidth + scrollBarWidth
+  //   : containerWidth;
+
+  const availableWidth = containerWidth;
 
   const { width, height } = cameraConfig
     ? cameraConfig.detect
     : { width: 1, height: 1 };
   const aspectRatio = width / height;
 
-  const stretch = true;
-  const fitAspect = 1.8;
+  const stretch = false;
+  const fitAspect = 1;
   const scaledHeight = useMemo(() => {
     const scaledHeight =
       aspectRatio < (fitAspect ?? 0)
@@ -158,7 +171,9 @@ export default function SettingsZones() {
         })),
       );
     }
-  }, [cameraConfig, containerRef, scaledWidth, scaledHeight]);
+    // we know that these deps are correct
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [cameraConfig, containerRef]);
 
   // const image = useMemo(() => {
   //   if (cameraConfig && containerRef && containerRef.current) {
@@ -193,7 +208,7 @@ export default function SettingsZones() {
 
   return (
     <>
-      <Heading as="h2">Motion Detection Tuner</Heading>
+      <Heading as="h2">Zones</Heading>
       <div className="flex items-center space-x-2 mt-5">
         <Select value={selectedCamera} onValueChange={setSelectedCamera}>
           <SelectTrigger className="w-[180px]">
@@ -238,6 +253,48 @@ export default function SettingsZones() {
             </div>
           </div>
           <div className="w-[30%]">
+            <Table>
+              <TableHeader>
+                <TableRow>
+                  <TableHead className="w-[100px]">Name</TableHead>
+                  <TableHead className="max-w-[200px]">Coordinates</TableHead>
+                  <TableHead>Edit</TableHead>
+                </TableRow>
+              </TableHeader>
+              <TableBody>
+                {zonePolygons.map((polygon, index) => (
+                  <TableRow key={index}>
+                    <TableCell className="font-medium">
+                      {polygon.name}
+                    </TableCell>
+                    <TableCell className="max-w-[200px] text-wrap">
+                      <code>
+                        {JSON.stringify(
+                          interpolatePoints(
+                            polygon.points,
+                            scaledWidth,
+                            scaledHeight,
+                            cameraConfig.detect.width,
+                            cameraConfig.detect.height,
+                          ),
+                          null,
+                          0,
+                        )}
+                      </code>
+                    </TableCell>
+                    <TableCell>
+                      {" "}
+                      <div
+                        className="cursor-pointer"
+                        onClick={() => setActivePolygonIndex(index)}
+                      >
+                        <LuPencil className="size-4 text-white" />
+                      </div>
+                    </TableCell>
+                  </TableRow>
+                ))}
+              </TableBody>
+            </Table>
             <PolygonControls
               camera={cameraConfig.name}
               width={scaledWidth}
@@ -256,8 +313,8 @@ export default function SettingsZones() {
                         polygon.points,
                         scaledWidth,
                         scaledHeight,
-                        cameraConfig.detect.width,
-                        cameraConfig.detect.height,
+                        1,
+                        1,
                       ),
                     ),
                   null,

web/src/utils/canvasUtil.ts

@@ -58,7 +58,7 @@ export const interpolatePoints = (
   for (const [x, y] of points) {
     const newX = (x * newWidth) / width;
     const newY = (y * newHeight) / height;
-    newPoints.push([Math.floor(newX), Math.floor(newY)]);
+    newPoints.push([newX, newY]);
   }
 
   return newPoints;