fixed invalidations to not trigger creating new refs when ref= was assigned to an anonymous function. fixed scribble erase to not delete everything it overlaps, just things it intersects with or contains. fixed ink to have a Math mode and fixed math recognition myscript calls.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/Utils.ts b/src/Utils.ts
index 724725c23..e96b8e231 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -202,6 +202,9 @@ export function aggregateBounds(boundsList: { x: number; y: number; width?: numb
 export function intersectRect(r1: { left: number; top: number; width: number; height: number }, r2: { left: number; top: number; width: number; height: number }) {
     return !(r2.left > r1.left + r1.width || r2.left + r2.width < r1.left || r2.top > r1.top + r1.height || r2.top + r2.height < r1.top);
 }
+export function rectContains(r1: { left: number; top: number; width: number; height: number }, r2: { left: number; top: number; width: number; height: number }) {
+    if (r1.left < r2.left && r1.left + r1.width > r2.left + r2.width && r1.top < r2.top && r1.top + r1.height > r2.top + r2.height) return true;
+}
 
 export function stringHash(s?: string) {
     return !s ? undefined : Math.abs(s.split('').reduce((a, b) => (n => n & n)((a << 5) - a + b.charCodeAt(0)), 0));