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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <AK/String.h>
#include <AK/Types.h>
#include <Kernel/Graphics/GraphicsDevice.h>
namespace Kernel::Graphics {
class Console : public RefCounted<Console> {
public:
// Stanadard VGA text mode colors
enum Color : u8 {
Black = 0,
Blue,
Green,
Cyan,
Red,
Magenta,
Brown,
LightGray,
DarkGray,
BrightBlue,
BrightGreen,
BrightCyan,
BrightRed,
BrightMagenta,
Yellow,
White,
};
public:
size_t width() const { return m_width; }
size_t height() const { return m_height; }
size_t pitch() const { return bytes_per_base_glyph() * width(); }
virtual size_t max_column() const { return m_width; }
virtual size_t max_row() const { return m_height; }
virtual size_t bytes_per_base_glyph() const = 0;
virtual size_t chars_per_line() const = 0;
virtual void enable() = 0;
virtual void disable() = 0;
virtual bool is_hardware_paged_capable() const = 0;
virtual bool has_hardware_cursor() const = 0;
virtual void set_cursor(size_t x, size_t y) = 0;
virtual void hide_cursor() = 0;
virtual void show_cursor() = 0;
virtual void clear(size_t x, size_t y, size_t length) = 0;
virtual void write(size_t x, size_t y, char ch, Color background, Color foreground, bool critical = false) = 0;
virtual void write(size_t x, size_t y, char ch, bool critical = false) = 0;
virtual void write(char ch, bool critical = false) = 0;
virtual ~Console() { }
protected:
Console(size_t width, size_t height)
: m_width(width)
, m_height(height)
{
m_enabled.store(true);
}
Atomic<bool> m_enabled;
Color m_default_foreground_color { Color::White };
Color m_default_background_color { Color::Black };
size_t m_width;
size_t m_height;
mutable size_t m_x { 0 };
mutable size_t m_y { 0 };
};
}
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