From e3bb0b1c453ab7b7ac0efa8a2f9ba5e3e7c7a7d4 Mon Sep 17 00:00:00 2001
From: daleclack <daleclack1@foxmail.com>
Date: Sun, 26 Dec 2021 13:40:09 +0800
Subject: [PATCH] Update gtk119

---
 Gtkmm3/gtk119_imageviewer2/src/MyImage.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Gtkmm3/gtk119_imageviewer2/src/MyImage.cc b/Gtkmm3/gtk119_imageviewer2/src/MyImage.cc
index 30dd1de..cfcab9e 100644
--- a/Gtkmm3/gtk119_imageviewer2/src/MyImage.cc
+++ b/Gtkmm3/gtk119_imageviewer2/src/MyImage.cc
@@ -16,12 +16,14 @@ bool MyImage::on_draw(const Cairo::RefPtr<Cairo::Context> &cr){
     int width = image->get_width();
     int height = image->get_height();
 
+    //Set the default size for drawing area
     set_size_request(width,height);
 
     // Draw the image in the middle of the drawing area, or (if the image is
     // larger than the drawing area) draw the middle part of the image.
     Gdk::Cairo::set_source_pixbuf(cr, image,
         (width - image->get_width())/2, (height - image->get_height())/2);
+    
     cr->paint();
 
     return true;
@@ -29,6 +31,10 @@ bool MyImage::on_draw(const Cairo::RefPtr<Cairo::Context> &cr){
 
 void MyImage::set_pixbuf(const Glib::RefPtr<Gdk::Pixbuf> &pixbuf)
 {
+    if(image){
+        image.reset();
+    }
+    
     image = pixbuf;
 
     //ReDraw the draw area