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#ifndef DEF_DISPLAY_PROTO_H
#define DEF_DISPLAY_PROTO_H
#include <common.h>
#include <Devices/Device.proto.h>
#include <WChar.class.h>
namespace Disp { struct mode_t; }
class Display : public Device {
public:
virtual ~Display() {}
virtual void getModes(Vector<Disp::mode_t> &to) = 0;
virtual bool setMode(Disp::mode_t& mode) = 0;
virtual void unsetMode() {} //To be overloaded if driver has to do some cleaning-up
virtual void clear() = 0;
//Text functions
virtual void putChar(u16int line, u16int col, WChar c, u8int color) = 0; //Color : <bg 4bits><fg 4bits>
virtual void moveCursor(u16int line, u16int col) = 0;
virtual bool textScroll(u16int line, u16int col, u16int height, u16int width, u8int color) { return false; }
//Graphic functions, can stay unimplemented for textual displays
virtual void putPix(u16int x, u16int y, u32int color) {}
virtual u32int getPix(u16int x, u16int y) { return 0; }
//Advanced graphic functions. These have a simple implementation in GraphicDisplay,
//and should have an optimized version in each individual driver. This is also the
//case of the graphical putChar and moveCursor.
//drawLine, drawCircle, ...
};
#endif
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