Add bool operator

openVulkanoCpp/IO/Files/Pfm.hpp

@@ -118,6 +118,8 @@ namespace OpenVulkano
 				}
 			}
 		}
+		
+		operator bool() const { return image; }
 
 		static PfmImage ReadImage(std::istream& inStream)
 		{
@@ -125,5 +127,20 @@ namespace OpenVulkano
 			image.Read(inStream);
 			return image;
 		}
+
+		static PfmImage TryReadImage(std::istream& inStream)
+		{
+			PfmImage image;
+			try
+			{
+				image.Read(inStream);
+			}
+			catch (const std::exception& e)
+			{
+				image.header.height = image.header.width = 0;
+				image.image = nullptr;
+			}
+			return image;
+		}
 	};
-}
+}

openVulkanoCpp/IO/Files/Pnm.hpp

@@ -150,6 +150,8 @@ namespace OpenVulkano
 			image = std::make_unique<char[]>(size);
 			inStream.read(image.get(), size);
 		}
+		
+		operator bool() const { return image; }
 
 		static PnmImage ReadImage(std::istream& inStream)
 		{
@@ -157,5 +159,20 @@ namespace OpenVulkano
 			image.Read(inStream);
 			return image;
 		}
+		
+		static PfmImage TryReadImage(std::istream& inStream)
+		{
+			PfmImage image;
+			try
+			{
+				image.Read(inStream);
+			}
+			catch (const std::exception& e)
+			{
+				image.header.height = image.header.width = 0;
+				image.image = nullptr;
+			}
+			return image;
+		}
 	};
 }