lsnes/include/library/framebuffer-pixfmt.hpp
2014-05-13 13:42:07 +03:00

63 lines
1.5 KiB
C++

#ifndef _library__framebuffer_pixfmt__hpp__included__
#define _library__framebuffer_pixfmt__hpp__included__
#include <cstdint>
#include <cstdlib>
#include <stdexcept>
namespace framebuffer
{
template<bool X> class auxpalette;
/**
* Pixel format.
*/
class pixfmt
{
public:
virtual ~pixfmt() throw();
/**
* Register the pixel format.
*/
pixfmt() throw(std::bad_alloc);
/**
* Decode pixel format data into RGB data (0, R, G, B).
*/
virtual void decode(uint32_t* target, const uint8_t* src, size_t width)
throw() = 0;
/**
* Decode pixel format data into RGB (with specified byte order).
*/
virtual void decode(uint32_t* target, const uint8_t* src, size_t width,
const auxpalette<false>& auxp) throw() = 0;
/**
* Decode pixel format data into RGB (with specified byte order).
*/
virtual void decode(uint64_t* target, const uint8_t* src, size_t width,
const auxpalette<true>& auxp) throw() = 0;
/**
* Create aux palette.
*/
virtual void set_palette(auxpalette<false>& auxp, uint8_t rshift, uint8_t gshift,
uint8_t bshift) throw(std::bad_alloc) = 0;
/**
* Create aux palette.
*/
virtual void set_palette(auxpalette<true>& auxp, uint8_t rshift, uint8_t gshift,
uint8_t bshift) throw(std::bad_alloc) = 0;
/**
* Bytes per pixel in data.
*/
virtual uint8_t get_bpp() throw() = 0;
/**
* Bytes per pixel in ss data.
*/
virtual uint8_t get_ss_bpp() throw() = 0;
/**
* Screenshot magic (0 for the old format).
*/
virtual uint32_t get_magic() throw() = 0;
};
}
#endif