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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7668 a1c6a512-1295-4272-9138-f99709370657
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Linus Nielsen Feltzing
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205
apps/screen_access.c
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205
apps/screen_access.c
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/***************************************************************************
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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 Kévin 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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#include <lcd.h>
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#include <lcd-remote.h>
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#include <font.h>
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#include <button.h>
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#include <sprintf.h>
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#include <settings.h>
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#include <kernel.h>
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#include <icons.h>
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#include "screen_access.h"
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#include "buttonbar.h"
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struct screen screens[NB_SCREENS];
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void screen_init(struct screen * screen, enum screen_type screen_type)
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{
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switch(screen_type)
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{
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#ifdef HAVE_REMOTE_LCD
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case SCREEN_REMOTE:
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screen->width=LCD_REMOTE_WIDTH;
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screen->height=LCD_REMOTE_HEIGHT;
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screen->is_color=false;
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screen->depth=1;
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#ifdef HAVE_LCD_BITMAP
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screen->setmargins=&lcd_remote_setmargins;
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screen->getymargin=&lcd_remote_getymargin;
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screen->getxmargin=&lcd_remote_getxmargin;
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screen->setfont=&lcd_remote_setfont;
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screen->getstringsize=&lcd_remote_getstringsize;
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screen->putsxy=&lcd_remote_putsxy;
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screen->mono_bitmap=&lcd_remote_mono_bitmap;
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screen->set_drawmode=&lcd_remote_set_drawmode;
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#if LCD_DEPTH > 1
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/* since lcd_remote_set_background doesn't exist yet ... */
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screen->set_background=NULL;
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#endif /* LCD_DEPTH > 1 */
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screen->update_rect=&lcd_remote_update_rect;
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screen->fillrect=&lcd_remote_fillrect;
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screen->drawrect=&lcd_remote_drawrect;
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screen->drawpixel=&lcd_remote_drawpixel;
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screen->drawline=&lcd_remote_drawline;
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screen->vline=&lcd_remote_vline;
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screen->hline=&lcd_remote_hline;
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screen->scroll_speed=&lcd_remote_scroll_speed;
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screen->scroll_delay=&lcd_remote_scroll_delay;
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screen->scroll_step=&lcd_remote_scroll_step;
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screen->puts_scroll_style=&lcd_remote_puts_scroll_style;
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#endif /* HAVE_LCD_BITMAP */
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#ifdef HAVE_LCD_CHARCELLS
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screen->double_height=&lcd_double_height;
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screen->putc=&lcd_remote_putc;
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#endif /* HAVE_LCD_CHARCELLS */
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screen->init=&lcd_remote_init;
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screen->puts_scroll=&lcd_remote_puts_scroll;
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screen->stop_scroll=&lcd_remote_stop_scroll;
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screen->clear_display=&lcd_remote_clear_display;
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screen->update=&lcd_remote_update;
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screen->puts=&lcd_remote_puts;
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break;
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#endif /* HAVE_REMOTE_LCD */
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case SCREEN_MAIN:
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default:
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#ifdef HAVE_LCD_COLOR
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screen->is_color=true;
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#else
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screen->is_color=false;
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#endif
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screen->depth=LCD_DEPTH;
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#ifdef HAVE_LCD_BITMAP
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screen->width=LCD_WIDTH;
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screen->height=LCD_HEIGHT;
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screen->setmargins=&lcd_setmargins;
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screen->getymargin=&lcd_getymargin;
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screen->getxmargin=&lcd_getxmargin;
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screen->setfont=&lcd_setfont;
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screen->getstringsize=&lcd_getstringsize;
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screen->putsxy=&lcd_putsxy;
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screen->mono_bitmap=&lcd_mono_bitmap;
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screen->set_drawmode=&lcd_set_drawmode;
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#if LCD_DEPTH > 1
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screen->set_background=&lcd_set_background;
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#endif
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screen->update_rect=&lcd_update_rect;
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screen->fillrect=&lcd_fillrect;
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screen->drawrect=&lcd_drawrect;
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screen->drawpixel=&lcd_drawpixel;
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screen->drawline=&lcd_drawline;
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screen->vline=&lcd_vline;
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screen->hline=&lcd_hline;
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screen->scroll_speed=&lcd_scroll_speed;
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screen->scroll_delay=&lcd_scroll_delay;
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screen->scroll_step=&lcd_scroll_step;
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screen->puts_scroll_style=&lcd_puts_scroll_style;
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#endif /* HAVE_LCD_BITMAP */
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#ifdef HAVE_LCD_CHARCELLS
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screen->width=11; /* width in characters instead of pixels */
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screen->height=2;
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screen->double_height=&lcd_double_height;
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screen->putc=&lcd_putc;
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#ifdef SIMULATOR
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screen->icon=&sim_lcd_icon;
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#else
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screen->icon=&lcd_icon;
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#endif
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#endif /* HAVE_LCD_CHARCELLS */
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screen->init=&lcd_init;
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screen->puts_scroll=&lcd_puts_scroll;
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screen->stop_scroll=&lcd_stop_scroll;
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screen->clear_display=&lcd_clear_display;
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#if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
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screen->update=&lcd_update;
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#endif
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screen->puts=&lcd_puts;
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break;
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}
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#ifdef HAVE_LCD_BITMAP
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screen->setfont(FONT_UI);
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#endif
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screen->screen_type=screen_type;
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screen_update_nblines(screen);
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}
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/*
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* Returns the number of text lines that can be drawn on the given screen
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* with it's current font
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*/
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void screen_update_nblines(struct screen * screen)
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{
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#ifdef HAVE_LCD_BITMAP
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int height=screen->height;
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if(global_settings.statusbar)
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height -= STATUSBAR_HEIGHT;
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#if CONFIG_KEYPAD == RECORDER_PAD
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if(global_settings.buttonbar)
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height -= BUTTONBAR_HEIGHT;
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#endif
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screen->getstringsize("A", &screen->char_width, &screen->char_height);
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screen->nb_lines = height / screen->char_height;
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#else
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screen->char_width=1;
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screen->char_height=1;
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/* default on char based player supported by rb */
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screen->nb_lines = MAX_LINES_ON_SCREEN;
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#endif
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}
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#ifdef HAVE_LCD_BITMAP
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int screen_get_text_y_start(struct screen * screen)
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{
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screen=0;/* Avoid warning, this parameter is here for api integrity */
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return(global_settings.statusbar?STATUSBAR_HEIGHT:0);
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}
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int screen_get_text_y_end(struct screen * screen)
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{
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#ifdef HAS_BUTTONBAR
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return( screen->height - (global_settings.buttonbar?BUTTONBAR_HEIGHT:0) );
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#else
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return( screen->height );
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#endif
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}
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#endif
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void screen_access_init(void)
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{
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screen_init(&screens[0], SCREEN_MAIN);
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#ifdef HAVE_REMOTE_LCD
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screen_init(&screens[1], SCREEN_REMOTE);
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#endif
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}
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void screen_access_update_nb_lines(void)
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{
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int i;
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for(i=0;i<NB_SCREENS;++i)
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screen_update_nblines(&screens[i]);
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}
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143
apps/screen_access.h
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143
apps/screen_access.h
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@ -0,0 +1,143 @@
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/***************************************************************************
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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 Kévin 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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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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#ifndef HAVE_LCD_BITMAP
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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 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 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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extern int screen_get_text_y_start(struct screen * screen);
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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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extern int screen_get_text_y_end(struct screen * screen);
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#endif
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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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