From c60990688215d4a9b3adbd017964bae6634b0a56 Mon Sep 17 00:00:00 2001
From: Stefan Rimaila <stefan@rimaila.fi>
Date: Sat, 5 Oct 2019 23:47:25 +0300
Subject: [PATCH] feat(shared): get imagedata function

---
 src/shared.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/shared.js b/src/shared.js
index 9ea2cfe..0a7513b 100644
--- a/src/shared.js
+++ b/src/shared.js
@@ -135,6 +135,13 @@ export const fromHex = x => {
  */
 export const getContext = U.lift(el => el.getContext('2d'));
 
+/**
+ * @type {Ary2Lift<[number, number], CanvasRenderingContext2D, ImageData>}
+ */
+export const getImageData = U.lift(([w, h], ctx) =>
+  ctx.getImageData(0, 0, w, h),
+);
+
 // ARRAYS
 
 export const fstOf = U.view(0);