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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Kevin Ferrare
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _SCREEN_ACCESS_H_
#define _SCREEN_ACCESS_H_
#include "lcd.h"
#include "buttonbar.h"
enum screen_type {
SCREEN_MAIN
#ifdef HAVE_REMOTE_LCD
,SCREEN_REMOTE
#endif
};
#if defined(HAVE_REMOTE_LCD) && !defined (ROCKBOX_HAS_LOGF)
#define NB_SCREENS 2
#else
#define NB_SCREENS 1
#endif
#if NB_SCREENS == 1
#define FOR_NB_SCREENS(i) i = 0;
#else
#define FOR_NB_SCREENS(i) for(i = 0; i < NB_SCREENS; i++)
#endif
#ifdef HAVE_LCD_CHARCELLS
#define MAX_LINES_ON_SCREEN 2
#endif
struct screen
{
int width, height;
int nb_lines;
enum screen_type screen_type;
int depth;
int char_width;
int char_height;
#if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
bool has_disk_led;
#endif
#ifdef HAS_BUTTONBAR
bool has_buttonbar;
#endif
#if defined(HAVE_LCD_BITMAP) || defined(HAVE_REMOTE_LCD) /* always bitmap */
void (*setmargins)(int x, int y);
int (*getxmargin)(void);
int (*getymargin)(void);
void (*setfont)(int newfont);
int (*getstringsize)(const unsigned char *str, int *w, int *h);
void (*putsxy)(int x, int y, const unsigned char *str);
void (*scroll_step)(int pixels);
void (*puts_scroll_style)(int x, int y,
const unsigned char *string, int style);
void (*mono_bitmap)(const unsigned char *src,
int x, int y, int width, int height);
void (*set_drawmode)(int mode);
#if (LCD_DEPTH > 1) || (LCD_REMOTE_DEPTH > 1)
void (*set_background)(unsigned background);
#endif /* (LCD_DEPTH > 1) || (LCD_REMOTE_DEPTH > 1) */
void (*update_rect)(int x, int y, int width, int height);
void (*fillrect)(int x, int y, int width, int height);
void (*drawrect)(int x, int y, int width, int height);
void (*drawpixel)(int x, int y);
void (*drawline)(int x1, int y1, int x2, int y2);
void (*vline)(int x, int y1, int y2);
void (*hline)(int x1, int x2, int y);
void (*invertscroll) (int x, int y);
#endif /* HAVE_LCD_BITMAP || HAVE_REMOTE_LCD */
#ifdef HAVE_LCD_CHARCELLS /* no charcell remote LCDs so far */
void (*double_height)(bool on);
void (*putc)(int x, int y, unsigned short ch);
void (*icon)(int icon, bool enable);
#endif
void (*init)(void);
void (*puts_scroll)(int x, int y, const unsigned char *string);
void (*scroll_speed)(int speed);
void (*scroll_delay)(int ms);
void (*stop_scroll)(void);
void (*clear_display)(void);
unsigned char (*get_locked_pattern)(void);
void (*define_pattern)(int pat, const char *pattern);
#if defined(HAVE_LCD_BITMAP) || defined(HAVE_REMOTE_LCD) || defined(SIMULATOR)
void (*update)(void);
#endif
void (*backlight_on)(void);
void (*backlight_off)(void);
void (*puts)(int x, int y, const unsigned char *str);
};
/*
* Initializes the given screen structure for a given display
* - screen : the screen structure
* - display_type : currently 2 possibles values : MAIN or REMOTE
*/
extern void screen_init(struct screen * screen, enum screen_type screen_type);
#ifdef HAS_BUTTONBAR
/*
* Sets if the given screen has a buttonbar or not
* - screen : the screen structure
* - has : a boolean telling wether the current screen will have a buttonbar or not
*/
#define screen_has_buttonbar(screen, has_btnb) \
(screen)->has_buttonbar=has_btnb;
#endif
/*
* Sets the x margin in pixels for the given screen
* - screen : the screen structure
* - xmargin : the number of pixels to the left of the screen
*/
#define screen_set_xmargin(screen, xmargin) \
(screen)->setmargins(xmargin, (screen)->getymargin());
/*
* Sets the y margin in pixels for the given screen
* - screen : the screen structure
* - xmargin : the number of pixels to the top of the screen
*/
#define screen_set_ymargin(screen, ymargin) \
(screen)->setmargins((screen)->getxmargin(), ymargin);
#if defined(HAVE_LCD_BITMAP) || defined(HAVE_REMOTE_LCD)
/*
* Clear only a given area of the screen
* - screen : the screen structure
* - xstart, ystart : where the area starts
* - width, height : size of the area
*/
void screen_clear_area(struct screen * display, int xstart, int ystart,
int width, int height);
#endif
/*
* Initializes the whole screen_access api
*/
extern void screen_access_init(void);
/*
* exported screens array that should be used
* by each app that wants to write to access display
*/
extern struct screen screens[NB_SCREENS];
#endif /*_SCREEN_ACCESS_H_*/
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