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/**
* Copyright (c) 2026 Alexey Gavrilov <alexey.gavrilov@mail.com>
*
* This file is part of ObjectiveOS.
*
* ObjectiveOS is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* ObjectiveOS is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* ObjectiveOS. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef VGAGRAPHICS_H
#define VGAGRAPHICS_H
#include "VGADisplayInfo.h"
#include <TypeConverter.h>
typedef unsigned short dchar;
class VGADisplay
{
private:
uint16 xCurr;
uint16 yCurr;
dchar *videoMem;
bool shift;
char color;
bool isBlink;
bool isBright;
void doShift();
// 0 if passed char isn't escape sequence, else 1
bool printChar(const char &c);
void goNewLine();
void goHorizontalTab();
public:
VGADisplay();
VGADisplay(uint16 x, uint16 y);
VGADisplay& operator<<(const char &c);
VGADisplay& operator<<(const char *c);
VGADisplay& operator<<(const uint32 number);
VGADisplay& operator<<(const uint64 number);
VGADisplay& operator++(int);
void setShift(bool status);
void setColor(char colorAttr);
void setBlink(bool blinkAttr);
void setBright(bool brigthAttr);
void clearScreen();
};
// Global variables
namespace out
{
extern VGADisplay display;
};
#endif
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