[NUI] Disable desired size when image loading fail

When ImageLoading is failed, GetOriginalImageSize() returns zero size.
In this case, Calculating for fittingMode is able to make error because it use invalid size.
To avoid this problem, i added this patch.

diff --git a/src/Tizen.NUI/src/public/BaseComponents/ImageView.cs b/src/Tizen.NUI/src/public/BaseComponents/ImageView.cs
index 565b1af..935649a 100755 (executable)
--- a/src/Tizen.NUI/src/public/BaseComponents/ImageView.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/ImageView.cs
@@ -1135,24 +1135,31 @@ namespace Tizen.NUI.BaseComponents
             {
                 if(_resourceUrl != null)
                 {
-                  Size2D imageSize = ImageLoading.GetOriginalImageSize(_resourceUrl,true);
-
-                  int adjustedDesiredWidth, adjustedDesiredHeight;
-                  float aspectOfDesiredSize = (float)_desired_height / (float)_desired_width;
-                  float aspectOfImageSize = (float)imageSize.Height / (float)imageSize.Width;
-                  if( aspectOfImageSize > aspectOfDesiredSize)
-                  {
-                    adjustedDesiredWidth = _desired_width;
-                    adjustedDesiredHeight = imageSize.Height * _desired_width / imageSize.Width;
-                  }
-                  else
-                  {
-                    adjustedDesiredWidth = imageSize.Width * _desired_height/ imageSize.Height;
-                    adjustedDesiredHeight = _desired_height;
-                  }
-                  temp.Insert(ImageVisualProperty.DesiredWidth, new PropertyValue(adjustedDesiredWidth));
-                  temp.Insert(ImageVisualProperty.DesiredHeight, new PropertyValue(adjustedDesiredHeight));
-                  temp.Insert(ImageVisualProperty.FittingMode, new PropertyValue((int) FittingModeType.ScaleToFill));
+                    Size2D imageSize = ImageLoading.GetOriginalImageSize(_resourceUrl,true);
+                    if( imageSize.Height > 0 && imageSize.Width > 0 && _desired_width > 0  && _desired_height > 0 )
+                    {
+                        int adjustedDesiredWidth, adjustedDesiredHeight;
+                        float aspectOfDesiredSize = (float)_desired_height / (float)_desired_width;
+                        float aspectOfImageSize = (float)imageSize.Height / (float)imageSize.Width;
+                        if( aspectOfImageSize > aspectOfDesiredSize)
+                        {
+                            adjustedDesiredWidth = _desired_width;
+                            adjustedDesiredHeight = imageSize.Height * _desired_width / imageSize.Width;
+                        }
+                        else
+                        {
+                            adjustedDesiredWidth = imageSize.Width * _desired_height/ imageSize.Height;
+                            adjustedDesiredHeight = _desired_height;
+                        }
+                        temp.Insert(ImageVisualProperty.DesiredWidth, new PropertyValue(adjustedDesiredWidth));
+                        temp.Insert(ImageVisualProperty.DesiredHeight, new PropertyValue(adjustedDesiredHeight));
+                        temp.Insert(ImageVisualProperty.FittingMode, new PropertyValue((int) FittingModeType.ScaleToFill));
+                    }
+                    else
+                    {
+                        Tizen.Log.Fatal("NUI", "[ERROR] Can't use DesiredSize when ImageLoading is failed.");
+                    }
+                    imageSize?.Dispose();
                 }
             }