- Split ImageAspect into 2 types, ImageAspect for images and ImageAspectScreenFilter for screens

- Change ImageDetails into a class and add some accessors for the filtering logic for screen aspect and image aspect

src/imagestructs.cpp

@@ -0,0 +1,54 @@
+
+#include "imagestructs.h"
+#include "logger.h"
+
+ImageDetails::ImageDetails()
+{
+
+}
+
+ImageDetails::~ImageDetails()
+{
+
+}
+
+ImageAspect ImageDetails::aspect() const
+{
+  if (width > height) 
+  {
+    return ImageAspect_Landscape;
+  } 
+  else if (height > width) 
+  {
+    return ImageAspect_Portrait;
+  }
+
+  // must be square, so just pick something
+  return ImageAspect_Portrait;
+}
+
+
+bool ImageDetails::isValidForScreenAspect(const ImageAspectScreenFilter aspectScreen) const
+{
+  if(aspectScreen == ImageAspectScreenFilter_Any) 
+  {
+    return true;
+  }
+  if(aspectScreen == ImageAspectScreenFilter_Monitor) 
+  {
+    Log("Error: invalid aspect of ImageAspectScreenFilter_Monitor" );
+    return false;
+  }
+
+  if (width > height) 
+  {
+    return aspectScreen == ImageAspectScreenFilter_Landscape;
+  } 
+  else if (height > width) 
+  {
+    return aspectScreen == ImageAspectScreenFilter_Portrait;
+  } 
+
+  // must be square so let is always display
+  return true;
+}