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authorLinus Nielsen Feltzing <linus@haxx.se>2005-10-28 00:17:15 +0000
committerLinus Nielsen Feltzing <linus@haxx.se>2005-10-28 00:17:15 +0000
commit530ff7de690a3df77e69008609ae308448f43a81 (patch)
treeff817adad4a63d117b2264f05fb981abcaaab77b
parentf1844c41663119b3061d8c16407cec0f300e2bbb (diff)
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7668 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r--apps/screen_access.c205
-rw-r--r--apps/screen_access.h143
2 files changed, 348 insertions, 0 deletions
diff --git a/apps/screen_access.c b/apps/screen_access.c
new file mode 100644
index 0000000000..a4f87de80e
--- /dev/null
+++ b/apps/screen_access.c
@@ -0,0 +1,205 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by KÚvin 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.
+ *
+ ****************************************************************************/
+
+#include <lcd.h>
+#include <lcd-remote.h>
+#include <font.h>
+#include <button.h>
+#include <sprintf.h>
+#include <settings.h>
+#include <kernel.h>
+#include <icons.h>
+
+#include "screen_access.h"
+#include "buttonbar.h"
+
+struct screen screens[NB_SCREENS];
+
+void screen_init(struct screen * screen, enum screen_type screen_type)
+{
+ switch(screen_type)
+ {
+#ifdef HAVE_REMOTE_LCD
+ case SCREEN_REMOTE:
+ screen->width=LCD_REMOTE_WIDTH;
+ screen->height=LCD_REMOTE_HEIGHT;
+ screen->is_color=false;
+ screen->depth=1;
+#ifdef HAVE_LCD_BITMAP
+ screen->setmargins=&lcd_remote_setmargins;
+ screen->getymargin=&lcd_remote_getymargin;
+ screen->getxmargin=&lcd_remote_getxmargin;
+ screen->setfont=&lcd_remote_setfont;
+ screen->getstringsize=&lcd_remote_getstringsize;
+ screen->putsxy=&lcd_remote_putsxy;
+ screen->mono_bitmap=&lcd_remote_mono_bitmap;
+ screen->set_drawmode=&lcd_remote_set_drawmode;
+#if LCD_DEPTH > 1
+ /* since lcd_remote_set_background doesn't exist yet ... */
+ screen->set_background=NULL;
+#endif /* LCD_DEPTH > 1 */
+ screen->update_rect=&lcd_remote_update_rect;
+ screen->fillrect=&lcd_remote_fillrect;
+ screen->drawrect=&lcd_remote_drawrect;
+ screen->drawpixel=&lcd_remote_drawpixel;
+ screen->drawline=&lcd_remote_drawline;
+ screen->vline=&lcd_remote_vline;
+ screen->hline=&lcd_remote_hline;
+ screen->scroll_speed=&lcd_remote_scroll_speed;
+ screen->scroll_delay=&lcd_remote_scroll_delay;
+ screen->scroll_step=&lcd_remote_scroll_step;
+ screen->puts_scroll_style=&lcd_remote_puts_scroll_style;
+#endif /* HAVE_LCD_BITMAP */
+
+#ifdef HAVE_LCD_CHARCELLS
+ screen->double_height=&lcd_double_height;
+ screen->putc=&lcd_remote_putc;
+#endif /* HAVE_LCD_CHARCELLS */
+ screen->init=&lcd_remote_init;
+ screen->puts_scroll=&lcd_remote_puts_scroll;
+ screen->stop_scroll=&lcd_remote_stop_scroll;
+ screen->clear_display=&lcd_remote_clear_display;
+ screen->update=&lcd_remote_update;
+ screen->puts=&lcd_remote_puts;
+
+ break;
+#endif /* HAVE_REMOTE_LCD */
+
+ case SCREEN_MAIN:
+ default:
+#ifdef HAVE_LCD_COLOR
+ screen->is_color=true;
+#else
+ screen->is_color=false;
+#endif
+ screen->depth=LCD_DEPTH;
+#ifdef HAVE_LCD_BITMAP
+ screen->width=LCD_WIDTH;
+ screen->height=LCD_HEIGHT;
+ screen->setmargins=&lcd_setmargins;
+ screen->getymargin=&lcd_getymargin;
+ screen->getxmargin=&lcd_getxmargin;
+ screen->setfont=&lcd_setfont;
+ screen->getstringsize=&lcd_getstringsize;
+ screen->putsxy=&lcd_putsxy;
+ screen->mono_bitmap=&lcd_mono_bitmap;
+ screen->set_drawmode=&lcd_set_drawmode;
+#if LCD_DEPTH > 1
+ screen->set_background=&lcd_set_background;
+#endif
+ screen->update_rect=&lcd_update_rect;
+ screen->fillrect=&lcd_fillrect;
+ screen->drawrect=&lcd_drawrect;
+ screen->drawpixel=&lcd_drawpixel;
+ screen->drawline=&lcd_drawline;
+ screen->vline=&lcd_vline;
+ screen->hline=&lcd_hline;
+ screen->scroll_speed=&lcd_scroll_speed;
+ screen->scroll_delay=&lcd_scroll_delay;
+ screen->scroll_step=&lcd_scroll_step;
+ screen->puts_scroll_style=&lcd_puts_scroll_style;
+#endif /* HAVE_LCD_BITMAP */
+
+#ifdef HAVE_LCD_CHARCELLS
+ screen->width=11; /* width in characters instead of pixels */
+ screen->height=2;
+ screen->double_height=&lcd_double_height;
+ screen->putc=&lcd_putc;
+#ifdef SIMULATOR
+ screen->icon=&sim_lcd_icon;
+#else
+ screen->icon=&lcd_icon;
+#endif
+
+#endif /* HAVE_LCD_CHARCELLS */
+ screen->init=&lcd_init;
+ screen->puts_scroll=&lcd_puts_scroll;
+ screen->stop_scroll=&lcd_stop_scroll;
+ screen->clear_display=&lcd_clear_display;
+#if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
+ screen->update=&lcd_update;
+#endif
+ screen->puts=&lcd_puts;
+ break;
+ }
+#ifdef HAVE_LCD_BITMAP
+ screen->setfont(FONT_UI);
+#endif
+ screen->screen_type=screen_type;
+ screen_update_nblines(screen);
+}
+
+
+/*
+ * Returns the number of text lines that can be drawn on the given screen
+ * with it's current font
+ */
+void screen_update_nblines(struct screen * screen)
+{
+#ifdef HAVE_LCD_BITMAP
+ int height=screen->height;
+ if(global_settings.statusbar)
+ height -= STATUSBAR_HEIGHT;
+#if CONFIG_KEYPAD == RECORDER_PAD
+ if(global_settings.buttonbar)
+ height -= BUTTONBAR_HEIGHT;
+#endif
+ screen->getstringsize("A", &screen->char_width, &screen->char_height);
+ screen->nb_lines = height / screen->char_height;
+#else
+ screen->char_width=1;
+ screen->char_height=1;
+ /* default on char based player supported by rb */
+ screen->nb_lines = MAX_LINES_ON_SCREEN;
+#endif
+
+}
+
+#ifdef HAVE_LCD_BITMAP
+int screen_get_text_y_start(struct screen * screen)
+{
+ screen=0;/* Avoid warning, this parameter is here for api integrity */
+ return(global_settings.statusbar?STATUSBAR_HEIGHT:0);
+}
+
+int screen_get_text_y_end(struct screen * screen)
+{
+#ifdef HAS_BUTTONBAR
+ return( screen->height - (global_settings.buttonbar?BUTTONBAR_HEIGHT:0) );
+#else
+ return( screen->height );
+#endif
+
+}
+#endif
+
+void screen_access_init(void)
+{
+ screen_init(&screens[0], SCREEN_MAIN);
+#ifdef HAVE_REMOTE_LCD
+ screen_init(&screens[1], SCREEN_REMOTE);
+#endif
+}
+
+void screen_access_update_nb_lines(void)
+{
+ int i;
+ for(i=0;i<NB_SCREENS;++i)
+ screen_update_nblines(&screens[i]);
+}
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 KÚvin 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_*/