feat(studio): non-destructive crop + cross-project asset view

2026-09-09 12:00:26 +00:00 · 2026-07-06 23:40:32 -04:00
parent 8c3590a90e
commit 676f461f6a
39 changed files with 1646 additions and 208 deletions
@@ -0,0 +1,68 @@
+import { useState, type RefObject } from "react";
+import { useMountEffect } from "../../hooks/useMountEffect";
+
+export interface DomEditCompositionRect {
+  left: number;
+  top: number;
+  width: number;
+  height: number;
+  scaleX: number;
+  scaleY: number;
+}
+
+function sameRect(a: DomEditCompositionRect, b: DomEditCompositionRect): boolean {
+  const d = (k: keyof DomEditCompositionRect) => Math.abs(a[k] - b[k]);
+  return (
+    d("left") < 0.5 &&
+    d("top") < 0.5 &&
+    d("width") < 0.5 &&
+    d("height") < 0.5 &&
+    d("scaleX") < 0.001 &&
+    d("scaleY") < 0.001
+  );
+}
+
+export function useDomEditCompositionRect({
+  iframeRef,
+  overlayRef,
+}: {
+  iframeRef: RefObject<HTMLIFrameElement | null>;
+  overlayRef: RefObject<HTMLDivElement | null>;
+}): DomEditCompositionRect {
+  const [compRect, setCompRect] = useState({
+    left: 0,
+    top: 0,
+    width: 0,
+    height: 0,
+    scaleX: 1,
+    scaleY: 1,
+  });
+
+  useMountEffect(() => {
+    let frame = 0;
+    // fallow-ignore-next-line complexity
+    const update = () => {
+      frame = requestAnimationFrame(update);
+      const iframe = iframeRef.current;
+      const overlayEl = overlayRef.current;
+      if (!iframe || !overlayEl) return;
+      const iRect = iframe.getBoundingClientRect();
+      const oRect = overlayEl.getBoundingClientRect();
+      const left = iRect.left - oRect.left;
+      const top = iRect.top - oRect.top;
+      if (iRect.width <= 0 || iRect.height <= 0) return;
+      const doc = iframe.contentDocument;
+      const root = doc?.querySelector<HTMLElement>("[data-composition-id]") ?? doc?.documentElement;
+      const dw = Number.parseFloat(root?.getAttribute("data-width") ?? "");
+      const dh = Number.parseFloat(root?.getAttribute("data-height") ?? "");
+      const scaleX = dw > 0 ? iRect.width / dw : 1;
+      const scaleY = dh > 0 ? iRect.height / dh : 1;
+      const next = { left, top, width: iRect.width, height: iRect.height, scaleX, scaleY };
+      setCompRect((prev) => (sameRect(prev, next) ? prev : next));
+    };
+    frame = requestAnimationFrame(update);
+    return () => cancelAnimationFrame(frame);
+  });
+
+  return compRect;
+}