db8415c99e
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7693 a1c6a512-1295-4272-9138-f99709370657
169 lines
4.9 KiB
C
169 lines
4.9 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 by Kevin Ferrare
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _SCREEN_ACCESS_H_
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#define _SCREEN_ACCESS_H_
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#include "lcd.h"
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#include "buttonbar.h"
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enum screen_type {
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SCREEN_MAIN
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#ifdef HAVE_REMOTE_LCD
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,SCREEN_REMOTE
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#endif
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};
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#ifdef HAVE_REMOTE_LCD
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#define NB_SCREENS 2
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#else
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#define NB_SCREENS 1
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#endif
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#ifdef HAVE_LCD_CHARCELLS
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#define MAX_LINES_ON_SCREEN 2
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#endif
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struct screen
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{
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int width, height;
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int nb_lines;
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enum screen_type screen_type;
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bool is_color;
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int depth;
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int char_width;
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int char_height;
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#ifdef HAS_BUTTONBAR
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bool has_buttonbar;
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#endif
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#ifdef HAVE_LCD_BITMAP
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void (*setmargins)(int x, int y);
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int (*getxmargin)(void);
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int (*getymargin)(void);
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void (*setfont)(int newfont);
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int (*getstringsize)(const unsigned char *str, int *w, int *h);
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void (*putsxy)(int x, int y, const unsigned char *str);
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void (*scroll_step)(int pixels);
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void (*puts_scroll_style)(int x, int y,
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const unsigned char *string, int style);
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void (*mono_bitmap)(const unsigned char *src,
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int x, int y, int width, int height);
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void (*set_drawmode)(int mode);
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#if LCD_DEPTH > 1
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void (*set_background)(int brightness);
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#endif /* LCD_DEPTH > 1 */
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void (*update_rect)(int x, int y, int width, int height);
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void (*fillrect)(int x, int y, int width, int height);
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void (*drawrect)(int x, int y, int width, int height);
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void (*drawpixel)(int x, int y);
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void (*drawline)(int x1, int y1, int x2, int y2);
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void (*vline)(int x, int y1, int y2);
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void (*hline)(int x1, int x2, int y);
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#endif /* HAVE_LCD_BITMAP */
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#ifdef HAVE_LCD_CHARCELLS
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void (*double_height)(bool on);
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void (*putc)(int x, int y, unsigned short ch);
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void (*icon)(int icon, bool enable);
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#endif
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void (*init)(void);
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void (*puts_scroll)(int x, int y, const unsigned char *string);
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void (*scroll_speed)(int speed);
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void (*scroll_delay)(int ms);
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void (*stop_scroll)(void);
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void (*clear_display)(void);
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#if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
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void (*update)(void);
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#endif
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void (*puts)(int x, int y, const unsigned char *str);
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};
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/*
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* Initializes the given screen structure for a given display
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* - screen : the screen structure
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* - display_type : currently 2 possibles values : MAIN or REMOTE
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*/
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extern void screen_init(struct screen * screen, enum screen_type screen_type);
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/*
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* Compute the number of text lines the display can draw with the current font
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* - screen : the screen structure
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* Returns the number of text lines
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*/
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extern void screen_update_nblines(struct screen * screen);
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#ifdef HAS_BUTTONBAR
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/*
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* Sets if the given screen has a buttonbar or not
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* - screen : the screen structure
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* - has : a boolean telling wether the current screen will have a buttonbar or not
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*/
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#define screen_has_buttonbar(screen, has_btnb) \
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(screen)->has_buttonbar=has_btnb;
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#endif
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#ifdef HAVE_LCD_BITMAP
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/*
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* Compute the number of pixels from which text can be displayed
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* - screen : the screen structure
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* Returns the number of pixels
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*/
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#define screen_get_text_y_start(screen) \
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( (global_settings.statusbar)? STATUSBAR_HEIGHT : 0)
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/*
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* Compute the number of pixels below which text can't be displayed
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* - screen : the screen structure
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* Returns the number of pixels
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*/
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#ifdef HAS_BUTTONBAR
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#define screen_get_text_y_end(screen) \
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( (screen)->height - ( (global_settings.buttonbar && \
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(screen)->has_buttonbar)? \
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BUTTONBAR_HEIGHT : 0) )
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#else
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#define screen_get_text_y_end(screen) \
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( (screen)->height )
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#endif /* HAS_BUTTONBAR */
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#endif /* HAVE_LCD_BITMAP */
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/*
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* Initializes the whole screen_access api
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*/
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extern void screen_access_init(void);
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/*
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* Just recalculate the number of text lines that can be displayed
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* on each screens in case of poilice change for example
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*/
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extern void screen_access_update_nb_lines(void);
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/*
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* exported screens array that should be used
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* by each app that wants to write to access display
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*/
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extern struct screen screens[NB_SCREENS];
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#endif /*_SCREEN_ACCESS_H_*/
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