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Diffstat (limited to 'apps/screen_access.h')
| -rw-r--r-- | apps/screen_access.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/apps/screen_access.h b/apps/screen_access.h new file mode 100644 index 0000000000..b04cabff46 --- /dev/null +++ b/apps/screen_access.h @@ -0,0 +1,143 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2005 by Kévin 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" +enum screen_type { + SCREEN_MAIN +#ifdef HAVE_REMOTE_LCD + ,SCREEN_REMOTE +#endif +}; + +#ifdef HAVE_REMOTE_LCD +#define NB_SCREENS 2 +#else +#define NB_SCREENS 1 +#endif + +#ifndef HAVE_LCD_BITMAP +#define MAX_LINES_ON_SCREEN 2 +#endif + +struct screen +{ + int width, height; + int nb_lines; + enum screen_type screen_type; + bool is_color; + int depth; + int char_width; + int char_height; +#ifdef HAVE_LCD_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 + void (*set_background)(int brightness); +#endif /* LCD_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); +#endif /* HAVE_LCD_BITMAP */ + +#ifdef HAVE_LCD_CHARCELLS + 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); +#if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR) + void (*update)(void); +#endif + + 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); + +/* + * Compute the number of text lines the display can draw with the current font + * - screen : the screen structure + * Returns the number of text lines + */ +extern void screen_update_nblines(struct screen * screen); + +#ifdef HAVE_LCD_BITMAP +/* + * Compute the number of pixels from which text can be displayed + * - screen : the screen structure + * Returns the number of pixels + */ +extern int screen_get_text_y_start(struct screen * screen); + +/* + * Compute the number of pixels below which text can't be displayed + * - screen : the screen structure + * Returns the number of pixels + */ +extern int screen_get_text_y_end(struct screen * screen); +#endif + +/* + * Initializes the whole screen_access api + */ +extern void screen_access_init(void); + +/* + * Just recalculate the number of text lines that can be displayed + * on each screens in case of poilice change for example + */ +extern void screen_access_update_nb_lines(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_*/ |