fix CKContext prevobj error. finish bitmap reader / writer

2023-09-07 16:27:41 +08:00
parent 8a75eb9f21
commit f7f1478ecf
10 changed files with 655 additions and 57 deletions
--- a/LibCmo/CK2/DataHandlers/CKBitmapHandler.hpp
+++ b/LibCmo/CK2/DataHandlers/CKBitmapHandler.hpp
@ -0,0 +1,98 @@
+#pragma once
+
+#include "../../VTAll.hpp"
+
+namespace LibCmo::CK2::DataHandlers {
+
+	/**
+	 * The interface about processing bitmap data between raw data and specific data.
+	 * This interface will be capable to converting specific bitmap data into raw ARGB8888 raw data,
+	 * or convert them back.
+	*/
+	class CKBitmapHandler {
+	public:
+		CKBitmapHandler() {}
+		virtual ~CKBitmapHandler() {}
+		LIBCMO_DISABLE_COPY_MOVE(CKBitmapHandler);
+
+		/**
+		 * @brief Returns the current default bitmap options.
+		 * @return Current default bitmap options
+		*/
+		virtual const CKBitmapProperties& GetBitmapDefaultProperties() = 0;
+
+		/**
+		@brief Loads a bitmap file.
+		@return Returns true if successful.
+		@param u8filename[in] The file ready to read.
+		@param read_image[out] The pointer point to existed image desc which describe this image HW.
+		@see ReadMemory
+		*/
+		virtual bool ReadFile(CKSTRING u8filename, VxMath::VxImageDescEx* read_image) = 0;
+		/**
+		@brief Loads a bitmap file stored in memory.
+		@return Returns true if successful.
+		@param memory[in] The pointer to memory.
+		@param size[in] The size of memory.
+		@param read_image[out] The pointer point to existed image desc which describe this image HW.
+		@see ReadFile
+		*/
+		virtual bool ReadMemory(const void* memory, CKDWORD size, VxMath::VxImageDescEx* read_image) = 0;
+		/**
+		@brief Saves a image to a file 
+		@return Returns true if successful.
+		@param u8filename[in] The file ready to write.
+		@param write_image[in] The image will be written in file.
+		@param codec_param[in] The written image format parameter.
+		@see SaveMemory
+		*/
+		virtual bool SaveFile(CKSTRING u8filename, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) = 0;
+		/**
+		@brief Saves an image into a memory block.
+		@return Returns the number of written bytes if successful, 0 otherwise.
+		@param memory[in] The memory where the image will be written. nullptr if you need a dry run to get how many bytes you need to allocate.
+		@param write_image[in] The image will be written in file.
+		@param codec_param[in] The written image format parameter.
+		@remark
+			+ You should call this method first to get how much bytes will be written.
+			+ Then you allocate a proper buffer.
+			+ Finally, call this method with your allocated buffer to get the result.
+		@see SaveFile
+		*/
+		virtual CKDWORD SaveMemory(void* memory, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) = 0;
+
+	};
+
+	class CKBitmapBMPHandler : public CKBitmapHandler {
+	public:
+		CKBitmapBMPHandler();
+		virtual ~CKBitmapBMPHandler();
+		LIBCMO_DISABLE_COPY_MOVE(CKBitmapBMPHandler);
+
+		virtual const CKBitmapProperties& GetBitmapDefaultProperties() override;
+		virtual bool ReadFile(CKSTRING u8filename, VxMath::VxImageDescEx* read_image) override;
+		virtual bool ReadMemory(const void* memory, CKDWORD size, VxMath::VxImageDescEx* read_image) override;
+		virtual bool SaveFile(CKSTRING u8filename, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) override;
+		virtual CKDWORD SaveMemory(void* memory, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) override;
+
+	protected:
+		CKBitmapProperties c_DefaultProp;
+	};
+	
+	class CKBitmapTGAHandler : public CKBitmapHandler {
+	public:
+		CKBitmapTGAHandler();
+		virtual ~CKBitmapTGAHandler();
+		LIBCMO_DISABLE_COPY_MOVE(CKBitmapTGAHandler);
+
+		virtual const CKBitmapProperties& GetBitmapDefaultProperties() override;
+		virtual bool ReadFile(CKSTRING u8filename, VxMath::VxImageDescEx* read_image) override;
+		virtual bool ReadMemory(const void* memory, CKDWORD size, VxMath::VxImageDescEx* read_image) override;
+		virtual bool SaveFile(CKSTRING u8filename, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) override;
+		virtual CKDWORD SaveMemory(void* memory, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) override;
+
+	protected:
+		CKBitmapProperties c_DefaultProp;
+	};
+
+}