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/*
* Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
* This file is part of FbTerm.
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef SCREEN_H
#define SCREEN_H
#include "type.h"
#include "instance.h"
#define NR_COLORS 256
struct Color {
u8 red, green, blue;
};
typedef enum { Rotate0 = 0, Rotate90, Rotate180, Rotate270 } RotateType;
class Screen
{
DECLARE_INSTANCE(Screen)
public :
u32 width() { return mWidth; }
u32 height() { return mHeight; }
u16 cols() { return mCols; }
u16 rows() { return mRows; }
RotateType rotateType() { return mRotateType; }
void rotateRect(u32 &x, u32 &y, u32 &w, u32 &h);
void rotatePoint(u32 w, u32 h, u32 &x, u32 &y);
void drawText(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw);
void fillRect(u32 x, u32 y, u32 w, u32 h, u8 color);
bool move(u16 scol, u16 srow, u16 dcol, u16 drow, u16 w, u16 h);
void setPalette(const Color *palette);
void enableScroll(bool enable) { mScrollEnable = enable; }
void showInfo(bool verbose);
virtual void switchVc(bool enter);
protected:
u32 mWidth, mHeight;
u16 mCols, mRows;
u32 mBitsPerPixel, mBytesPerLine;
RotateType mRotateType;
typedef enum { Redraw = 0, YPan, YWrap, XPan } ScrollType;
ScrollType mScrollType;
u32 mOffsetMax;
s32 mOffsetCur;
u8 *mVMemBase;
const Color *mPalette;
private:
virtual void setupOffset() {}
virtual void setupPalette(bool restore) {}
virtual const s8 *drvId() = 0;
void eraseMargin(bool top, u16 h);
void drawGlyphs(u32 x, u32 y, u8 fc, u8 bc, u16 num, u16 *text, bool *dw);
void drawGlyph(u32 x, u32 y, u8 fc, u8 bc, u16 code, bool dw);
void adjustOffset(u32 &x, u32 &y);
void initFillDraw();
void endFillDraw();
void fillX(u32 x, u32 y, u32 w, u8 color);
void fillXBg(u32 x, u32 y, u32 w, u8 color);
void draw8(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
void draw15(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
void draw16(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
void draw32(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
void draw8Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
void draw15Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
void draw16Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
void draw32Bg(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
typedef void (Screen::*fillFun)(u32 x, u32 y, u32 w, u8 color);
typedef void (Screen::*drawFun)(u32 x, u32 y, u32 w, u8 fc, u8 bc, u8 *pixmap);
fillFun fill;
drawFun draw;
bool mScrollEnable;
};
#endif
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