| 1 | /* $Id$ |
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| 2 | * $URL$ |
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| 3 | * |
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| 4 | * generic driver helper for graphic displays |
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| 5 | * |
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| 6 | * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at> |
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| 7 | * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> |
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| 8 | * |
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| 9 | * This file is part of LCD4Linux. |
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| 10 | * |
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| 11 | * LCD4Linux is free software; you can redistribute it and/or modify |
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| 12 | * it under the terms of the GNU General Public License as published by |
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| 13 | * the Free Software Foundation; either version 2, or (at your option) |
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| 14 | * any later version. |
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| 15 | * |
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| 16 | * LCD4Linux is distributed in the hope that it will be useful, |
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 19 | * GNU General Public License for more details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU General Public License |
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| 22 | * along with this program; if not, write to the Free Software |
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| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 24 | * |
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| 25 | */ |
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| 26 | |
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| 27 | |
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| 28 | #ifndef _DRV_GENERIC_GRAPHIC_H_ |
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| 29 | #define _DRV_GENERIC_GRAPHIC_H_ |
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| 30 | |
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| 31 | #include "drv_generic.h" |
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| 32 | #include "widget.h" |
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| 33 | #include "rgb.h" |
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| 34 | |
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| 35 | extern RGBA FG_COL; /* foreground color */ |
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| 36 | extern RGBA HG_COL; /* halfground color */ |
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| 37 | extern RGBA BG_COL; /* background color */ |
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| 38 | extern RGBA BL_COL; /* backlight color */ |
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| 39 | |
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| 40 | /* these functions must be implemented by the real driver */ |
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| 41 | extern void (*drv_generic_graphic_real_blit) (const int row, const int col, const int height, const int width); |
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| 42 | |
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| 43 | /* helper function to get pixel color or gray value */ |
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| 44 | extern RGBA drv_generic_graphic_rgb(const int row, const int col); |
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| 45 | extern unsigned char drv_generic_graphic_gray(const int row, const int col); |
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| 46 | extern unsigned char drv_generic_graphic_black(const int row, const int col); |
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| 47 | |
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| 48 | |
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| 49 | /* generic functions and widget callbacks */ |
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| 50 | int drv_generic_graphic_init(const char *section, const char *driver); |
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| 51 | int drv_generic_graphic_clear(void); |
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| 52 | int drv_generic_graphic_greet(const char *msg1, const char *msg2); |
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| 53 | int drv_generic_graphic_draw(WIDGET * W); |
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| 54 | int drv_generic_graphic_icon_draw(WIDGET * W); |
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| 55 | int drv_generic_graphic_bar_draw(WIDGET * W); |
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| 56 | int drv_generic_graphic_quit(void); |
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| 57 | |
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| 58 | #endif |
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