Added: ImageUtil library

Author: TheNicker

.gitmodules

@@ -31,3 +31,6 @@
 [submodule "External/TinyEXIF"]
 	path = External/TinyEXIF
 	url = https://github.com/OpenImageViewer/TinyEXIF.git
+[submodule "External/ExoticNumbers"]
+	path = External/ExoticNumbers
+	url = https://github.com/OpenImageViewer/ExoticNumbers.git

CMakeLists.txt

@@ -10,6 +10,7 @@ include_directories(./External/LLUtils/Include)
 option(IMCODEC_DISABLE_WARNINGS_EXTERNAL_LIBS "Disable warnings for external libraries" TRUE)
 
 
+option(IMCODEC_BUILD_IMAGE_UTIL "Build Image util" TRUE)
 option(IMCODEC_BUILD_CODEC_PSD "Build Codec PSD" TRUE)
 option(IMCODEC_BUILD_CODEC_JPG "Build Codec JPG" TRUE)
 option(IMCODEC_BUILD_CODEC_PNG "Build Codec PNG" TRUE)
@@ -73,6 +74,11 @@ add_subdirectory(./External/TinyEXIF)
 
 add_subdirectory(ImageCodec)
 
+if (IMCODEC_BUILD_IMAGE_UTIL)
+	add_subdirectory(ImageUtil)
+endif()
+
+
 if (IMCODEC_BUILD_EXAMPLES AND IMCODEC_BUILD_CODEC_JPG AND IMCODEC_BUILD_CODEC_PNG)
   add_subdirectory(Example)
 endif()

External/ExoticNumbers

@@ -0,0 +1,11 @@
+ file(GLOB_RECURSE sourceFiles
+     "./Source/*.h"
+     "./Source/*.cpp"
+ )
+
+set(TargetName ImageUtil)
+add_library (${TargetName} STATIC ${sourceFiles})
+
+target_include_directories(${TargetName} PRIVATE ./Include)
+target_include_directories(${TargetName} PRIVATE ./Source)
+target_include_directories(${TargetName} PRIVATE ../External/ExoticNumbers/Include)

ImageUtil/CMakeLists.txt

@@ -0,0 +1,29 @@
+#pragma once
+#include <LLUtils/EnumClassBitwise.h>
+
+namespace IMUtil
+{
+    enum AxisAlignedRotation
+    {
+          None          = 0
+        , Rotate90CW    = 1
+        , Rotate180     = 2
+        , Rotate90CCW   = 3
+    };
+
+    enum class AxisAlignedFlip
+    {
+          None          = 0 << 0
+        , Horizontal    = 1 << 0
+        , Vertical      = 1 << 1
+    };
+
+
+    struct AxisAlignedTransform
+    {
+        AxisAlignedRotation rotation;
+        AxisAlignedFlip flip;
+    };
+}
+
+LLUTILS_DEFINE_ENUM_CLASS_FLAG_OPERATIONS(IMUtil::AxisAlignedFlip)