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sortix--sortix/sortix/vga.h
2011-11-25 13:38:31 +01:00

84 lines
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C++

/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix 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.
Sortix 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 Sortix. If not, see <http://www.gnu.org/licenses/>.
vga.h
A Video Graphics Array driver.
******************************************************************************/
#ifndef SORTIX_VGA_H
#define SORTIX_VGA_H
#include "device.h"
#include "stream.h"
namespace Sortix
{
namespace VGA
{
// TODO: Move these to a better place
#define COLOR8_BLACK 0
#define COLOR8_BLUE 1
#define COLOR8_GREEN 2
#define COLOR8_CYAN 3
#define COLOR8_RED 4
#define COLOR8_MAGENTA 5
#define COLOR8_BROWN 6
#define COLOR8_LIGHT_GREY 7
#define COLOR8_DARK_GREY 8
#define COLOR8_LIGHT_BLUE 9
#define COLOR8_LIGHT_GREEN 10
#define COLOR8_LIGHT_CYAN 11
#define COLOR8_LIGHT_RED 12
#define COLOR8_LIGHT_MAGENTA 13
#define COLOR8_LIGHT_BROWN 14
#define COLOR8_WHITE 15
void Init();
void SetCursor(nat x, nat y);
}
class DevVGA : public DevBuffer
{
public:
typedef DevBuffer BaseClass;
public:
DevVGA();
virtual ~DevVGA();
private:
size_t offset;
public:
virtual ssize_t Read(byte* dest, size_t count);
virtual ssize_t Write(const byte* src, size_t count);
virtual bool IsReadable();
virtual bool IsWritable();
virtual size_t BlockSize();
virtual uintmax_t Size();
virtual uintmax_t Position();
virtual bool Seek(uintmax_t position);
virtual bool Resize(uintmax_t size);
};
}
#endif