88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
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#ifndef HGL_VSBASE_INCLUDE
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#define HGL_VSBASE_INCLUDE
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namespace hgl
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{
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namespace vs
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{
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/**
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* 为方便程序处理，内存中仅支持以下格式
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*/
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enum class DataFormat
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{
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U8,U16,U32,
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S8,S16,S32,
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F32,F64,
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};
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struct VSDataSource
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{
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void *pixel_data=nullptr; ///<象素数据
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public:
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virtual ~VSDataSource()=0;
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};//class VSDataSource
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struct VSDataSourceRef:public VSDataSource
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{
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public:
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~VSDataSourceRef() override {}
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};//
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class VSDataSourceCreate
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/**
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* 虚拟屏幕数据源
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*/
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class VSData
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{
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protected:
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uint width,height; ///<尺寸
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uint color_component; ///<颜色成份数量(1-4)
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DataFormat data_format[4]; ///<数据格式
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uint pixel_bytes; ///<每象素字节数
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uint line_bytes; ///<每一行象素数据的字节数
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public:
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VSData()
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{
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pixel_data=nullptr;
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}
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virtual ~VSData()=0;
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void *GetPointer(){return pixel_data;}
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void *GetPointer(uint row)
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{
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if(row>=height)return(nullptr);
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return ((uint8 *)pixel_data)+row*line_bytes;
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}
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void *GetPointer(uint col,uint row)
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{
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if(col>=width)return(nullptr);
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if(row>=height)return(nullptr);
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return ((uint8 *)pixel_data)+row*line_bytes+col*pixel_bytes;
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}
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};//class VSData
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/**
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* 虚拟屏幕基类
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*/
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class VSBase
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{
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};//class VSBase
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}//namespace vs
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}//namespace hgl
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#endif//HGL_VSBASE_INCLUDE
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