@tldraw/editor
Version:
tldraw infinite canvas SDK (editor).
112 lines (111 loc) • 3.97 kB
JavaScript
import { jsx, jsxs } from "react/jsx-runtime";
import { track } from "@tldraw/state-react";
import { modulate } from "@tldraw/utils";
import { useEffect, useState } from "react";
import { useEditor } from "../hooks/useEditor.mjs";
import { Group2d } from "../primitives/geometry/Group2d.mjs";
function useTick(isEnabled = true) {
const [_, setTick] = useState(0);
const editor = useEditor();
useEffect(() => {
if (!isEnabled) return;
const update = () => setTick((tick) => tick + 1);
editor.on("tick", update);
return () => {
editor.off("tick", update);
};
}, [editor, isEnabled]);
}
const GeometryDebuggingView = track(function GeometryDebuggingView2({
showStroke = true,
showVertices = true,
showClosestPointOnOutline = true
}) {
const editor = useEditor();
useTick(showClosestPointOnOutline);
const zoomLevel = editor.getZoomLevel();
const renderingShapes = editor.getRenderingShapes();
const {
inputs: { currentPagePoint }
} = editor;
return /* @__PURE__ */ jsx(
"svg",
{
style: {
position: "absolute",
pointerEvents: "none",
zIndex: 999999999,
top: 0,
left: 0,
overflow: "visible"
},
children: renderingShapes.map((result) => {
const shape = editor.getShape(result.id);
if (shape.type === "group") return null;
const geometry = editor.getShapeGeometry(shape);
const pageTransform = editor.getShapePageTransform(shape);
const pointInShapeSpace = editor.getPointInShapeSpace(shape, currentPagePoint);
const nearestPointOnShape = geometry.nearestPoint(pointInShapeSpace);
const distanceToPoint = geometry.distanceToPoint(pointInShapeSpace, true);
const dist = Math.abs(distanceToPoint) * zoomLevel;
const hitInside = distanceToPoint < 0;
const { vertices } = geometry;
return /* @__PURE__ */ jsxs(
"g",
{
transform: pageTransform.toCssString(),
strokeLinecap: "round",
strokeLinejoin: "round",
children: [
showStroke && /* @__PURE__ */ jsx(
"g",
{
stroke: geometry.debugColor ?? "red",
opacity: "1",
strokeWidth: 2 / zoomLevel,
fill: "none",
children: /* @__PURE__ */ jsx(GeometryStroke, { geometry })
}
),
showVertices && vertices.map((v, i) => /* @__PURE__ */ jsx(
"circle",
{
cx: v.x,
cy: v.y,
r: 2 / zoomLevel,
fill: `hsl(${modulate(i, [0, vertices.length - 1], [120, 200])}, 100%, 50%)`,
stroke: "black",
strokeWidth: 1 / zoomLevel
},
`v${i}`
)),
showClosestPointOnOutline && dist < 150 && /* @__PURE__ */ jsx(
"line",
{
x1: nearestPointOnShape.x,
y1: nearestPointOnShape.y,
x2: pointInShapeSpace.x,
y2: pointInShapeSpace.y,
opacity: 1 - dist / 150,
stroke: hitInside ? "goldenrod" : "dodgerblue",
strokeWidth: 2 / zoomLevel
}
)
]
},
result.id + "_outline"
);
})
}
);
});
function GeometryStroke({ geometry }) {
if (geometry instanceof Group2d) {
return /* @__PURE__ */ jsx("g", { stroke: geometry.debugColor, children: [...geometry.children, ...geometry.ignoredChildren].map((child, i) => /* @__PURE__ */ jsx(GeometryStroke, { geometry: child }, i)) });
}
return /* @__PURE__ */ jsx("path", { d: geometry.toSimpleSvgPath(), stroke: geometry.debugColor });
}
export {
GeometryDebuggingView
};
//# sourceMappingURL=GeometryDebuggingView.mjs.map