init: the first public commit for AFFiNE

2026-07-22 12:36:24 +08:00 · 2022-07-22 15:49:21 +08:00
commit e3e3741393
1451 changed files with 108124 additions and 0 deletions
@@ -0,0 +1,47 @@
+import type { TLBounds, TLShape, TLTransformInfo } from '@tldraw/core';
+import Vec from '@tldraw/vec';
+
+/**
+ * Transform a rectangular shape.
+ * @param shape
+ * @param bounds
+ * @param param2
+ */
+export function transformRectangle<T extends TLShape & { size: number[] }>(
+    shape: T,
+    bounds: TLBounds,
+    { initialShape, transformOrigin, scaleX, scaleY }: TLTransformInfo<T>
+) {
+    if (shape.rotation || initialShape.isAspectRatioLocked) {
+        const size = Vec.toFixed(
+            Vec.mul(
+                initialShape.size,
+                Math.min(Math.abs(scaleX), Math.abs(scaleY))
+            )
+        );
+        const point = Vec.toFixed([
+            bounds.minX +
+                (bounds.width - shape.size[0]) *
+                    (scaleX < 0 ? 1 - transformOrigin[0] : transformOrigin[0]),
+            bounds.minY +
+                (bounds.height - shape.size[1]) *
+                    (scaleY < 0 ? 1 - transformOrigin[1] : transformOrigin[1]),
+        ]);
+        const rotation =
+            (scaleX < 0 && scaleY >= 0) || (scaleY < 0 && scaleX >= 0)
+                ? initialShape.rotation
+                    ? -initialShape.rotation
+                    : 0
+                : initialShape.rotation;
+        return {
+            size,
+            point,
+            rotation,
+        };
+    } else {
+        return {
+            point: Vec.toFixed([bounds.minX, bounds.minY]),
+            size: Vec.toFixed([bounds.width, bounds.height]),
+        };
+    }
+}