write shit

LibCmo/CK2/CKBitmapData.cpp

@@ -1,33 +1,272 @@
 #include "CKBitmapData.hpp"
+#include "CKContext.hpp"
+#include "CKStateChunk.hpp"
+#include "DataHandlers/CKBitmapHandler.hpp"
+#include "MgrImpls/CKPathManager.hpp"
+#include <memory>
 
 namespace LibCmo::CK2 {
 
 #pragma region Assist RW Functions
 
-	bool CKBitmapData::ReadSpecificFormatBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* desc) {
+	bool CKBitmapData::ReadSpecificFormatBitmap(CKStateChunk* chk, CKBitmapSlot* slot) {
 		return false;
 	}
 
-	bool CKBitmapData::ReadRawBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* desc) {
+	bool CKBitmapData::ReadRawBitmap(CKStateChunk* chk, CKBitmapSlot* slot) {
 		return false;
 	}
 
-	bool CKBitmapData::ReadOldRawBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* desc) {
+	bool CKBitmapData::ReadOldRawBitmap(CKStateChunk* chk, CKBitmapSlot* slot) {
 		return false;
 	}
 
-	void CKBitmapData::WriteSpecificFormatBitmap(CKStateChunk* chk, const VxMath::VxImageDescEx* desc) {
+	void CKBitmapData::WriteSpecificFormatBitmap(CKStateChunk* chk, CKBitmapSlot* slot) {
 
 	}
 
-	void CKBitmapData::WriteRawBitmap(CKStateChunk* chk, const VxMath::VxImageDescEx* desc) {
+	void CKBitmapData::WriteRawBitmap(CKStateChunk* chk, CKBitmapSlot* slot) {
 		
 	}
 
 #pragma endregion
 
+#pragma region Core Read / Write
 
-	CKBitmapData::CKBitmapData(CKContext* ctx) {}
+	bool CKBitmapData::ReadFromChunk(CKStateChunk* chunk, CKFileVisitor* file, const CKBitmapDataReadIdentifiers& identifiers) {
+		XContainer::XBitArray notReadSlot;
+
+		// check 3 types enbedded image
+		if (chunk->SeekIdentifierDword(identifiers.m_SpecificFormat)) {
+			// specific format
+			CKDWORD slotcount, width, height, bpp;
+			chunk->ReadStruct(slotcount);
+			chunk->ReadStruct(width);
+			chunk->ReadStruct(height);
+			chunk->ReadStruct(bpp);
+
+			SetSlotCount(slotcount);
+			notReadSlot.resize(slotcount, false);
+
+			if (width > 0 && height > 0) {
+				for (CKDWORD i = 0; i < slotcount; ++i) {
+					CreateImage(width, height, i);
+					if (ReadSpecificFormatBitmap(chunk, GetImageSlot(i))) {
+						notReadSlot[i] = true;
+					} else {
+						ReleaseImage(i);
+					}
+				}
+			}
+
+		} else if (chunk->SeekIdentifierDword(identifiers.m_RawData)) {
+			// raw data
+			CKDWORD slotcount;
+			chunk->ReadStruct(slotcount);
+			
+			SetSlotCount(slotcount);
+			notReadSlot.resize(slotcount, false);
+
+			for (CKDWORD i = 0; i < slotcount; ++i) {
+				if (ReadRawBitmap(chunk, GetImageSlot(i))) {
+					notReadSlot[i] = true;
+				} else {
+					ReleaseImage(i);
+				}
+			}
+
+		} else if (chunk->SeekIdentifierDword(identifiers.m_OldRawData)) {
+			// raw data (old format)
+			CKDWORD slotcount;
+			chunk->ReadStruct(slotcount);
+			
+			SetSlotCount(slotcount);
+			notReadSlot.resize(slotcount, false);
+
+			for (CKDWORD i = 0; i < slotcount; ++i) {
+				if (ReadOldRawBitmap(chunk, GetImageSlot(i))) {
+					notReadSlot[i] = true;
+				} else {
+					ReleaseImage(i);
+				}
+			}
+
+		}
+
+		// file name section
+		if (chunk->SeekIdentifierDword(identifiers.m_FileNames)) {
+			// read slot count
+			CKDWORD slotcount;
+			chunk->ReadStruct(slotcount);
+			SetSlotCount(slotcount);
+
+			// read string in detail
+			// and try load not loaded image.
+			for (CKDWORD i = 0; i < slotcount; ++i) {
+				std::string filename;
+				chunk->ReadString(filename);
+				if (filename.empty()) return;
+
+				// set 
+				SetSlotFileName(i, filename.c_str());
+
+				// if not loaded, and suc in resolve file path.
+				// load it
+				bool isNotLoaded = i >= notReadSlot.size() || notReadSlot[i];
+				if (isNotLoaded && m_Context->GetPathManager()->ResolveFileName(filename)) {
+					LoadImage(filename.c_str(), i);
+				}
+			}
+		}
+
+		// movie info
+		if (chunk->SeekIdentifierDword(identifiers.m_MovieFileName)) {
+			// MARK: movie is not implemented here.
+		}
+		
+	}
+
+	bool CKBitmapData::DumpToChunk(CKStateChunk* chunk, CKFileVisitor* file, const CKBitmapDataWriteIdentifiers& identifiers) {
+		return false;
+	}
+
+#pragma endregion
+
+#pragma region Misc Functions
+
+	void CKBitmapData::SetSlotCount(CKDWORD count) {
+		m_Slots.resize(count);
+
+		if (count == 0) {
+			EnumsHelper::Add(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_INVALID);
+		}
+	}
+
+	CKDWORD CKBitmapData::GetSlotCount() {
+		return static_cast<CKDWORD>(m_Slots.size());
+	}
+
+	void CKBitmapData::SetCurrentSlot(CKDWORD slot) {
+		if (slot >= m_Slots.size()) return;
+
+		m_CurrentSlot = slot;
+
+		// NOTE: idk what the fuck this is. just interpter the IDA decompiled code.
+		if (EnumsHelper::Has(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_CUBEMAP)) {
+			EnumsHelper::Add(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_FORCERESTORE);
+		}
+	}
+
+	CKDWORD CKBitmapData::GetCurrentSlot() {
+		return m_CurrentSlot;
+	}
+
+	void CKBitmapData::CreateImage(CKDWORD Width, CKDWORD Height, CKDWORD Slot) {
+		if (Slot >= m_Slots.size()) return;
+
+		CKBitmapSlot& slotdata = m_Slots[Slot];
+		slotdata.CreateImage(Width, Height);
+	}
+
+	bool CKBitmapData::LoadImage(CKSTRING filename, CKDWORD slot) {
+		if (filename == nullptr) return false;
+		if (slot >= m_Slots.size()) return false;
+
+		// get extension of file. then get corresponding reader
+		std::string ext(filename);
+		m_Context->GetPathManager()->GetExtension(ext);
+		std::unique_ptr<DataHandlers::CKBitmapHandler, DataHandlers::CKBitmapHandlerDeleter> reader(
+			DataHandlers::CKBitmapHandler::GetBitmapHandler(CKFileExtension(ext.c_str()), CKGUID())
+		);
+		if (reader == nullptr) return false;
+
+		// get desc
+		VxMath::VxImageDescEx* desc = GetImageDesc(slot);
+		if (desc == nullptr) return false;
+
+		// read data
+		if (!reader->ReadFile(filename, desc)) {
+			return false;
+		}
+
+		// free reader
+		reader.reset();
+		return true;
+	}
+
+	bool CKBitmapData::SaveImage(CKSTRING filename, CKDWORD slot) {
+		if (filename == nullptr) return false;
+		if (slot >= m_Slots.size()) return false;
+
+		return true;
+	}
+
+	VxMath::VxImageDescEx* CKBitmapData::GetImageDesc(CKDWORD slot) {
+		if (slot >= m_Slots.size()) return nullptr;
+		return m_Slots[slot].m_ImageData;
+	}
+
+	CKBitmapSlot* CKBitmapData::GetImageSlot(CKDWORD slot) {
+		if (slot >= m_Slots.size()) return nullptr;
+		return &m_Slots[slot];
+	}
+
+	void CKBitmapData::ReleaseImage(CKDWORD slot) {
+		if (slot >= m_Slots.size()) return;
+		m_Slots[slot].FreeImage();
+	}
+
+	void CKBitmapData::SetSlotFileName(CKDWORD slot, CKSTRING filename) {
+		if (slot >= m_Slots.size()) return;
+		if (filename == nullptr) return;
+		m_Slots[slot].m_FileName = filename;
+	}
+
+	CKSTRING CKBitmapData::GetSlotFileName(CKDWORD slot) {
+		if (slot >= m_Slots.size()) return nullptr;
+		return m_Slots[slot].m_FileName.c_str();
+	}
+
+	const CKBitmapProperties& CKBitmapData::GetSaveFormat() {
+		return m_SaveProperties;
+	}
+
+	void CKBitmapData::SetSaveFormat(const CKBitmapProperties& props) {
+		m_SaveProperties = props;
+	}
+
+	CK_TEXTURE_SAVEOPTIONS CKBitmapData::GetSaveOptions() {
+		return m_SaveOptions;
+	}
+
+	void CKBitmapData::SetSaveOptions(CK_TEXTURE_SAVEOPTIONS opts) {
+		m_SaveOptions = opts;
+	}
+
+	void CKBitmapData::SetTransparent(bool Transparency) {
+		EnumsHelper::Add(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_TRANSPARENT);
+	}
+
+	bool CKBitmapData::IsTransparent() {
+		return EnumsHelper::Has(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_TRANSPARENT);
+	}
+
+	void CKBitmapData::SetTransparentColor(CKDWORD col) {
+		SetTransparent(true);
+		m_TransColor = col;
+	}
+
+	CKDWORD CKBitmapData::GetTransparentColor() {
+		return m_TransColor;
+	}
+	
+#pragma endregion
+
+	CKBitmapData::CKBitmapData(CKContext* ctx) :
+		m_Context(ctx),
+		m_Slots(), m_CurrentSlot(0),
+		m_PickThreshold(0), m_BitmapFlags(CK_BITMAPDATA_FLAGS::CKBITMAPDATA_INVALID), m_TransColor(0),
+		m_SaveProperties(ctx->GetGlobalImagesSaveFormat()), m_SaveOptions(CK_TEXTURE_SAVEOPTIONS::CKTEXTURE_USEGLOBAL) {}
 
 	CKBitmapData::~CKBitmapData() {}
 

LibCmo/CK2/CKBitmapData.hpp

@@ -28,6 +28,33 @@ namespace LibCmo::CK2 {
 		~CKBitmapSlot() {
 			FreeImage();
 		}
+		CKBitmapSlot(const CKBitmapSlot& rhs) :
+			m_ImageData(nullptr), m_FileName(rhs.m_FileName) {
+			if (rhs.m_ImageData != nullptr) {
+				m_ImageData = new VxMath::VxImageDescEx(*rhs.m_ImageData);
+			}
+		}
+		CKBitmapSlot(CKBitmapSlot&& rhs) :
+			m_ImageData(rhs.m_ImageData), m_FileName(std::move(rhs.m_FileName)) {
+			rhs.m_ImageData = nullptr;
+		}
+		CKBitmapSlot& operator=(const CKBitmapSlot& rhs) {
+			m_FileName = rhs.m_FileName;
+
+			FreeImage();
+			if (rhs.m_ImageData != nullptr) {
+				m_ImageData = new VxMath::VxImageDescEx(*rhs.m_ImageData);
+			}
+
+			return *this;
+		}
+		CKBitmapSlot& operator=(CKBitmapSlot&& rhs) {
+			m_FileName = std::move(rhs.m_FileName);
+			
+			FreeImage();
+			m_ImageData = rhs.m_ImageData;
+			rhs.m_ImageData = nullptr;
+		}
 
 		void CreateImage(CKDWORD Width, CKDWORD Height) {
 			FreeImage();
@@ -50,11 +77,11 @@ namespace LibCmo::CK2 {
 		~CKBitmapData();
 		LIBCMO_DISABLE_COPY_MOVE(CKBitmapData);
 
-		static bool ReadSpecificFormatBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* desc);
-		static bool ReadRawBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* desc);
-		static bool ReadOldRawBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* desc);
-		static void WriteSpecificFormatBitmap(CKStateChunk* chk, const VxMath::VxImageDescEx* desc);
-		static void WriteRawBitmap(CKStateChunk* chk, const VxMath::VxImageDescEx* desc);
+		static bool ReadSpecificFormatBitmap(CKStateChunk* chk, CKBitmapSlot* slot);
+		static bool ReadRawBitmap(CKStateChunk* chk, CKBitmapSlot* slot);
+		static bool ReadOldRawBitmap(CKStateChunk* chk, CKBitmapSlot* slot);
+		static void WriteSpecificFormatBitmap(CKStateChunk* chk, CKBitmapSlot* slot);
+		static void WriteRawBitmap(CKStateChunk* chk, CKBitmapSlot* slot);
 
 		bool ReadFromChunk(CKStateChunk* chunk, CKFileVisitor* file, const CKBitmapDataReadIdentifiers& identifiers);
 		bool DumpToChunk(CKStateChunk* chunk, CKFileVisitor* file, const CKBitmapDataWriteIdentifiers& identifiers);
@@ -68,17 +95,16 @@ namespace LibCmo::CK2 {
 		bool LoadImage(CKSTRING filename, CKDWORD slot);
 		bool SaveImage(CKSTRING filename, CKDWORD slot);
 		VxMath::VxImageDescEx* GetImageDesc(CKDWORD slot);
+		CKBitmapSlot* GetImageSlot(CKDWORD slot);
 		void ReleaseImage(CKDWORD slot);
 
 		void SetSlotFileName(CKDWORD slot, CKSTRING filename);
 		CKSTRING GetSlotFileName(CKDWORD slot);
 
-		const CKBitmapProperties& GetSaveProperties();
-		void SetSaveProperties(const CKBitmapProperties& props);
+		const CKBitmapProperties& GetSaveFormat();
+		void SetSaveFormat(const CKBitmapProperties& props);
 		CK_TEXTURE_SAVEOPTIONS GetSaveOptions();
 		void SetSaveOptions(CK_TEXTURE_SAVEOPTIONS opts);
-		VxMath::VX_PIXELFORMAT GetDesiredVideoFormat();
-		void SetDesiredVideoFormat(VxMath::VX_PIXELFORMAT fmt);
 
 		/**
 		Summary: Enables or disables the color key transparency.
@@ -106,16 +132,6 @@ namespace LibCmo::CK2 {
 		*/
 		bool IsTransparent();
 		/**
-		Summary: Returns the transparent color.
-		Return Value:
-			Color: A 32 bit ARGB transparent color.
-		Remarks:
-			+ 0x00000000 (black) is the default transparent color.
-
-		See also: SetTranparentColor,SetTransparent
-		*/
-		CKDWORD GetTransparentColor();
-		/**
 		Summary: Sets the transparent color.
 		Arguments:
 			Color: A 32 bit ARGB transparent color.
@@ -128,18 +144,27 @@ namespace LibCmo::CK2 {
 		See also: GetTranparentColor,SetTransparent
 		*/
 		void SetTransparentColor(CKDWORD col);
+		/**
+		Summary: Returns the transparent color.
+		Return Value:
+			Color: A 32 bit ARGB transparent color.
+		Remarks:
+			+ 0x00000000 (black) is the default transparent color.
+
+		See also: SetTranparentColor,SetTransparent
+		*/
+		CKDWORD GetTransparentColor();
 
 	protected:
 		CKContext* m_Context;
 		XContainer::XArray<CKBitmapSlot> m_Slots;
 		CKDWORD m_CurrentSlot;
 		CKINT m_PickThreshold;
-		CKDWORD m_BitmapFlags;
+		CK_BITMAPDATA_FLAGS m_BitmapFlags;
 		CKDWORD m_TransColor;
 
 		CKBitmapProperties m_SaveProperties;
 		CK_TEXTURE_SAVEOPTIONS m_SaveOptions;
-		VxMath::VX_PIXELFORMAT m_DesiredVideoFormat;
 	};
 
 }

LibCmo/CK2/CKStateChunk.cpp

@@ -585,11 +585,15 @@ namespace LibCmo::CK2 {
 		}
 
 		// read data
-		strl->resize(strByteSize);
-		if (!this->ReadByteData(strl->data(), strByteSize)) {
+		std::string cache;
+		cache.resize(strByteSize);
+		if (!this->ReadByteData(cache.data(), strByteSize)) {
 			strl->clear();
 			return false;
 		}
+
+		// convert encoding
+		m_BindContext->GetUtf8String(cache, *strl);
 		return true;
 	}
 

LibCmo/CK2/CKStateChunk.hpp

@@ -156,7 +156,7 @@ namespace LibCmo::CK2 {
 		}
 
 		/// <summary>
-		/// Read string
+		/// Read string. The content of string will automatically converted into UTF8 format.
 		/// </summary>
 		/// <param name="strl"></param>
 		/// <returns></returns>

LibCmo/CK2/DataHandlers/CKBitmapHandler.hpp

@@ -79,6 +79,18 @@ namespace LibCmo::CK2::DataHandlers {
 
 	};
 
+	/**
+	 * @brief An assist class which can applied to std::unique_ptr as a custom deleter
+	 * to make sure the CKBitmapHandler* can be free correctly.
+	*/
+	struct CKBitmapHandlerDeleter {
+		CKBitmapHandlerDeleter() = default;
+		CKBitmapHandlerDeleter(const CKBitmapHandlerDeleter&) noexcept {}
+		void operator()(CKBitmapHandler* handler) {
+			CKBitmapHandler::ReleaseBitmapHandler(handler);
+		}
+	};
+
 	class CKBitmapBMPHandler : public CKBitmapHandler {
 	public:
 		CKBitmapBMPHandler();

LibCmo/CK2/MgrImpls/CKPathManager.cpp

@@ -94,5 +94,13 @@ namespace LibCmo::CK2::MgrImpls {
 		return false;
 	}
 
+	void CKPathManager::GetExtension(std::string& u8path) {
+		std::filesystem::path filepath;
+		EncodingHelper::U8PathToStdPath(filepath, u8path.c_str());
+
+		auto result = filepath.extension();
+		EncodingHelper::StdPathToU8Path(u8path, result);
+	}
+
 }
 

LibCmo/CK2/MgrImpls/CKPathManager.hpp

@@ -53,6 +53,12 @@ namespace LibCmo::CK2::MgrImpls {
 		*/
 		bool ResolveFileName(std::string& u8_filename);
 
+		/**
+		 * @brief Returns the file extension including period (.)
+		 * @param u8path[inout] The given path. overwritten by the gotten extension. set to blank when failed.
+		*/
+		void GetExtension(std::string& u8path);
+
 	protected:
 		std::filesystem::path m_TempFolder;
 		XContainer::XArray<std::filesystem::path> m_ExtraPathes;

LibCmo/CK2/ObjImpls/CKTexture.cpp

@@ -0,0 +1,24 @@
+#include "CKTexture.hpp"
+#include "../CKStateChunk.hpp"
+
+namespace LibCmo::CK2::ObjImpls {
+
+	CKTexture::CKTexture(CKContext* ctx, CK_ID ckid, CKSTRING name) {}
+
+	CKTexture::~CKTexture() {}
+
+	bool CKTexture::Save(CKStateChunk* chunk, CKFileVisitor* file, CKDWORD flags) {
+		bool suc = CKBeObject::Save(chunk, file, flags);
+		if (!suc) return false;
+
+		return true;
+	}
+
+	bool CKTexture::Load(CKStateChunk* chunk, CKFileVisitor* file) {
+		bool suc = CKBeObject::Load(chunk, file);
+		if (!suc) return false;
+
+		return true;
+	}
+
+}

LibCmo/CK2/ObjImpls/CKTexture.hpp

@@ -0,0 +1,50 @@
+#pragma once
+
+#include "../../VTAll.hpp"
+#include "../CKBitmapData.hpp"
+#include "CKBeObject.hpp"
+
+namespace LibCmo::CK2::ObjImpls {
+
+	class CKTexture : public CKBeObject {
+	public:
+		CKTexture(CKContext* ctx, CK_ID ckid, CKSTRING name);
+		virtual ~CKTexture();
+		LIBCMO_DISABLE_COPY_MOVE(CKTexture);
+
+		virtual CK_CLASSID GetClassID(void) override { 
+			return CK_CLASSID::CKCID_TEXTURE; 
+		}
+		// CKRenderObject do not implement any load/save functions
+		//virtual void PreSave(CKFileVisitor* file, CKDWORD flags) override;
+		virtual bool Save(CKStateChunk* chunk, CKFileVisitor* file, CKDWORD flags) override;
+		virtual bool Load(CKStateChunk* chunk, CKFileVisitor* file) override;
+		//virtual void PostLoad() override;
+
+	protected:
+		CKBitmapData m_ImageHost;
+		VxMath::VX_PIXELFORMAT m_VideoFormat;
+		bool m_UseMipMap;
+	};
+
+	//class CKRenderObject : public CKBeObject {
+	//public:
+	//	CKRenderObject(CKContext* ctx, CK_ID ckid, CKSTRING name) : 
+	//		CKBeObject(ctx, ckid, name)
+	//	{}
+	//	virtual ~CKRenderObject() {}
+	//	LIBCMO_DISABLE_COPY_MOVE(CKRenderObject);
+
+	//	virtual CK_CLASSID GetClassID(void) override { 
+	//		return CK_CLASSID::CKCID_RENDEROBJECT; 
+	//	}
+	//	// CKRenderObject do not implement any load/save functions
+	//	//virtual void PreSave(CKFileVisitor* file, CKDWORD flags) override;
+	//	//virtual bool Save(CKStateChunk* chunk, CKFileVisitor* file, CKDWORD flags) override;
+	//	//virtual bool Load(CKStateChunk* chunk, CKFileVisitor* file) override;
+	//	//virtual void PostLoad() override;
+	//protected:
+
+	//};
+
+}

LibCmo/LibCmo.vcxproj

@@ -190,6 +190,7 @@
     <ClCompile Include="CK2\ObjImpls\CKObject.cpp" />
     <ClCompile Include="CK2\ObjImpls\CKRenderObject.cpp" />
     <ClCompile Include="CK2\ObjImpls\CKSceneObject.cpp" />
+    <ClCompile Include="CK2\ObjImpls\CKTexture.cpp" />
     <ClCompile Include="VTEncoding.cpp" />
     <ClCompile Include="CK2\CKFileReader.cpp" />
     <ClCompile Include="CK2\CKStateChunk.cpp" />
@@ -220,6 +221,7 @@
     <ClInclude Include="CK2\ObjImpls\CKGroup.hpp" />
     <ClInclude Include="CK2\ObjImpls\CKRenderObject.hpp" />
     <ClInclude Include="CK2\ObjImpls\CKSceneObject.hpp" />
+    <ClInclude Include="CK2\ObjImpls\CKTexture.hpp" />
     <ClInclude Include="VTAll.hpp" />
     <ClInclude Include="VTEncoding.hpp" />
     <ClInclude Include="CK2\ObjImpls\CKObject.hpp" />

LibCmo/LibCmo.vcxproj.filters

@@ -120,6 +120,9 @@
     <ClCompile Include="CK2\CKBitmapData.cpp">
       <Filter>Sources\CK2</Filter>
     </ClCompile>
+    <ClCompile Include="CK2\ObjImpls\CKTexture.cpp">
+      <Filter>Sources\CK2\ObjImpls</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="VTUtils.hpp">
@@ -212,5 +215,8 @@
     <ClInclude Include="CK2\CKBitmapData.hpp">
       <Filter>Headers\CK2</Filter>
     </ClInclude>
+    <ClInclude Include="CK2\ObjImpls\CKTexture.hpp">
+      <Filter>Headers\CK2\ObjImpls</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

LibCmo/VxMath/VxTypes.hpp

@@ -79,11 +79,18 @@ namespace LibCmo::VxMath {
 	class VxImageDescEx {
 	public:
 		VxImageDescEx(CK2::CKDWORD width, CK2::CKDWORD height) :
-			m_Width(width), m_Height(height), 
+			m_Width(width), m_Height(height),
 			//m_RedMask(0), m_GreenMask(0), m_BlueMask(0), m_AlphaMask(0),
-			m_Image(nullptr){
+			m_Image(nullptr) {
 			m_Image = new CK2::CKBYTE[GetImageSize()];
 		}
+		VxImageDescEx(const VxImageDescEx& rhs) :
+			m_Width(rhs.m_Width), m_Height(rhs.m_Height),
+			m_Image(nullptr) {
+			// copy image
+			m_Image = new CK2::CKBYTE[GetImageSize()];
+			std::memcpy(m_Image, rhs.m_Image, GetImageSize());
+		}
 		~VxImageDescEx() {
 			delete[] m_Image;
 		}