rockbox/apps/screen_access.h
Karl Kurbjun 25123570c7 Fix STRIDE macro for multiscreen and add stride support for picture lib.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22615 a1c6a512-1295-4272-9138-f99709370657
2009-09-04 00:46:24 +00:00

171 lines
6.6 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Kevin Ferrare
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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"
#include "backdrop.h"
#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
typedef void screen_bitmap_part_func(const void *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
typedef void screen_bitmap_func(const void *src, int x, int y, int width,
int height);
/* if this struct is changed the plugin api may break so bump the api
versions in plugin.h */
struct screen
{
enum screen_type screen_type;
int lcdwidth, lcdheight;
int depth;
int (*getnblines)(void);
#ifdef HAVE_LCD_BITMAP
int pixel_format;
#endif
int (*getcharwidth)(void);
int (*getcharheight)(void);
bool is_color;
#if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
bool has_disk_led;
#endif
#ifdef HAVE_BUTTONBAR
bool has_buttonbar;
#endif
void (*set_viewport)(struct viewport* vp);
int (*getwidth)(void);
int (*getheight)(void);
int (*getstringsize)(const unsigned char *str, int *w, int *h);
#if defined(HAVE_LCD_BITMAP) || defined(HAVE_REMOTE_LCD) /* always bitmap */
void (*setfont)(int newfont);
int (*getfont)(void);
void (*scroll_step)(int pixels);
void (*puts_style_offset)(int x, int y, const unsigned char *str,
int style, int offset);
void (*puts_scroll_style)(int x, int y, const unsigned char *string,
int style);
void (*puts_scroll_style_offset)(int x, int y, const unsigned char *string,
int style, int offset);
void (*mono_bitmap)(const unsigned char *src,
int x, int y, int width, int height);
void (*mono_bitmap_part)(const unsigned char *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
void (*bitmap)(const void *src,
int x, int y, int width, int height);
void (*bitmap_part)(const void *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
void (*transparent_bitmap)(const void *src,
int x, int y, int width, int height);
void (*transparent_bitmap_part)(const void *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
void (*set_drawmode)(int mode);
#if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1
unsigned (*color_to_native)(unsigned color);
#endif
#if (LCD_DEPTH > 1) || (defined(LCD_REMOTE_DEPTH) && (LCD_REMOTE_DEPTH > 1))
unsigned (*get_background)(void);
unsigned (*get_foreground)(void);
void (*set_background)(unsigned background);
void (*set_foreground)(unsigned foreground);
#endif /* (LCD_DEPTH > 1) || (LCD_REMOTE_DEPTH > 1) */
#if defined(HAVE_LCD_COLOR)
void (*set_selector_start)(unsigned selector);
void (*set_selector_end)(unsigned selector);
void (*set_selector_text)(unsigned selector_text);
#endif
void (*update_rect)(int x, int y, int width, int height);
void (*update_viewport_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 || 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 long ucs);
void (*icon)(int icon, bool enable);
unsigned long (*get_locked_pattern)(void);
void (*define_pattern)(unsigned long ucs, const char *pattern);
void (*unlock_pattern)(unsigned long ucs);
#endif
void (*putsxy)(int x, int y, const unsigned char *str);
void (*puts)(int x, int y, const unsigned char *str);
void (*puts_offset)(int x, int y, const unsigned char *str, int offset);
void (*puts_scroll)(int x, int y, const unsigned char *string);
void (*puts_scroll_offset)(int x, int y, const unsigned char *string,
int offset);
void (*scroll_speed)(int speed);
void (*scroll_delay)(int ms);
void (*stop_scroll)(void);
void (*clear_display)(void);
void (*clear_viewport)(void);
void (*scroll_stop)(struct viewport* vp);
void (*scroll_stop_line)(struct viewport* vp, int y);
void (*update)(void);
void (*update_viewport)(void);
void (*backlight_on)(void);
void (*backlight_off)(void);
bool (*is_backlight_on)(bool ignore_always_off);
void (*backlight_set_timeout)(int index);
bool (*backdrop_load)(enum backdrop_type bdrop, const char* filename);
void (*backdrop_unload)(enum backdrop_type bdrop);
void (*backdrop_show)(enum backdrop_type bdrop);
};
#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
/*
* 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_*/