From e7e296aa93867d8e1e4b98ac55c7a6511fb32eff Mon Sep 17 00:00:00 2001
From: DarthSim <darthsim@gmail.com>
Date: Tue, 11 Sep 2018 17:22:19 +0600
Subject: [PATCH] Fix width & height checking

---
 processing_options.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/processing_options.go b/processing_options.go
index 6968ad72..db99b5e5 100644
--- a/processing_options.go
+++ b/processing_options.go
@@ -110,7 +110,7 @@ func applyWidthOption(po *processingOptions, args []string) error {
 		return fmt.Errorf("Invalid width arguments: %v", args)
 	}
 
-	if w, err := strconv.Atoi(args[0]); err == nil || w >= 0 {
+	if w, err := strconv.Atoi(args[0]); err == nil && w >= 0 {
 		po.Width = w
 	} else {
 		return fmt.Errorf("Invalid width: %s", args[0])
@@ -124,7 +124,7 @@ func applyHeightOption(po *processingOptions, args []string) error {
 		return fmt.Errorf("Invalid height arguments: %v", args)
 	}
 
-	if h, err := strconv.Atoi(args[0]); err == nil || po.Height >= 0 {
+	if h, err := strconv.Atoi(args[0]); err == nil && po.Height >= 0 {
 		po.Height = h
 	} else {
 		return fmt.Errorf("Invalid height: %s", args[0])