From a12c897435e615618b14f5cbdd50c7d01dd291fa Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sun, 29 Aug 2021 09:27:41 +0200
Subject: Allow bookmarking manga from chapters page

---
 include/Scale.hpp | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'include')

diff --git a/include/Scale.hpp b/include/Scale.hpp
index e458894..eb902cd 100644
--- a/include/Scale.hpp
+++ b/include/Scale.hpp
@@ -2,12 +2,15 @@
 
 #include <SFML/System/Vector2.hpp>
 
-// TODO: Check if size is 0 before dividing to prevent division by 0?
-
 namespace QuickMedia {
     template<typename T>
     static T wrap_to_size_x(const T &size, const T &clamp_size) {
         T new_size;
+        if(size.x == 0) {
+            new_size.x = 0;
+            new_size.y = 0;
+            return new_size;
+        }
         float size_ratio = (float)size.y / (float)size.x;
         new_size.x = clamp_size.x;
         new_size.y = new_size.x * size_ratio;
@@ -17,6 +20,11 @@ namespace QuickMedia {
     template<typename T>
     static T wrap_to_size_y(const T &size, const T &clamp_size) {
         T new_size;
+        if(size.y == 0) {
+            new_size.x = 0;
+            new_size.y = 0;
+            return new_size;
+        }
         float size_ratio = (float)size.x / (float)size.y;
         new_size.y = clamp_size.y;
         new_size.x = new_size.y * size_ratio;
@@ -50,6 +58,9 @@ namespace QuickMedia {
 
     template<typename T>
     static sf::Vector2f get_ratio(const T &original_size, const T &new_size) {
-        return sf::Vector2f((float)new_size.x / (float)original_size.x, (float)new_size.y / (float)original_size.y);
+        if(original_size.x == 0 || original_size.y == 0)
+            return sf::Vector2f(0.0f, 0.0f);
+        else
+            return sf::Vector2f((float)new_size.x / (float)original_size.x, (float)new_size.y / (float)original_size.y);
     }
 }
\ No newline at end of file
-- 
cgit v1.2.3