Add support for negating only non-alpha channels

Fixes #1035
2025-12-19 15:25:07 +01:00 · 2021-07-22 23:27:27 +02:00
parent 21d1a7ca62
commit b7ddbe71f7
14 changed files with 122 additions and 6 deletions
--- a/lib/constructor.js
+++ b/lib/constructor.js
@@ -179,6 +179,7 @@ const Sharp = function (input, options) {
    flatten: false,
    flattenBackground: [0, 0, 0],
    negate: false,
+    negateAlpha: true,
    medianSize: 0,
    blurSigma: 0,
    sharpenSigma: 0,