[chronojump] LoadAndResize image should work on windows remote hard disk

[Xavier de Blas <xaviblas src gnome org>]

commit 6b469742de9eabef9d59464f5ae0d35cb1475bee
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu Feb 15 17:52:10 2018 +0100

    LoadAndResize image should work on windows remote hard disk

 src/utilMultimedia.cs |   17 +++++++++++++++--
 1 files changed, 15 insertions(+), 2 deletions(-)
---
diff --git a/src/utilMultimedia.cs b/src/utilMultimedia.cs
index 8dd7043..876e8b9 100644
--- a/src/utilMultimedia.cs
+++ b/src/utilMultimedia.cs
@@ -74,14 +74,27 @@ public class UtilMultimedia
        
        public static bool LoadAndResizeImage(string filenameOriginal, string filenameDest, int width, int 
height)
        {
+               /*
+                * to avoid problems on windows with original images on remote hard disk,
+                * 1st copy to temp and then resize
+                */
+
+               string tempfile = System.IO.Path.GetTempFileName();
                ImageSurface imgSurface;
+
                if(GetImageType(filenameOriginal) == ImageTypes.PNG)
                {
-                       imgSurface = LoadPngToCairoImageSurface(filenameOriginal);
+                       //imgSurface = LoadPngToCairoImageSurface(filenameOriginal);
+                       tempfile += ".png";
+                       File.Copy(filenameOriginal, tempfile, true);
+                       imgSurface = LoadPngToCairoImageSurface(tempfile);
                }
                else if(GetImageType(filenameOriginal) == ImageTypes.JPEG)
                {
-                       imgSurface = LoadJpegToCairoImageSurface(filenameOriginal);
+                       //imgSurface = LoadJpegToCairoImageSurface(filenameOriginal);
+                       tempfile += ".jpg";
+                       File.Copy(filenameOriginal, tempfile, true);
+                       imgSurface = LoadJpegToCairoImageSurface(tempfile);
                }
                else //(GetImageType(filenameOriginal) == ImageTypes.UNKNOWN)
                {