From 98b5d325272bd860223731bc9c97908dfb979cf5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Katzer?= <katzer.sebastian@googlemail.com>
Date: Thu, 24 Jan 2019 12:12:50 +0100
Subject: [PATCH] Allow negative values for maxPages maxPages: -1 means to skip
 the last page

---
 src/ios/APPPrinterRenderer.m | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ios/APPPrinterRenderer.m b/src/ios/APPPrinterRenderer.m
index 8edbe8b..6e0d392 100644
--- a/src/ios/APPPrinterRenderer.m
+++ b/src/ios/APPPrinterRenderer.m
@@ -71,7 +71,12 @@
     NSInteger num = [super numberOfPages];
     id maxPages   = _settings[@"maxPages"];
 
-    return maxPages ? MIN(num, [maxPages longValue]) : num;
+    if (maxPages < 0)
+    {
+        return MAX(1, num + [maxPages longValue]);
+    }
+
+    return maxPages ? MAX(1, MIN(num, [maxPages longValue])) : num;
 }
 
 #pragma mark -