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rockbox/apps/gui/gwps.h
Andrew Mahone 781421afa2 resize-on-load for bitmap files on 2bpp and color targets 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19374 a1c6a512-1295-4272-9138-f99709370657
2008-12-09 23:07:59 +00:00

513 lines
14 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Nicolas Pennequin
*
* 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 _WPS_H
#define _WPS_H
#include "screen_access.h"
#include "statusbar.h"
#include "metadata.h"
/* constants used in line_type and as refresh_mode for wps_refresh */
#define WPS_REFRESH_STATIC 1 /* line doesn't change over time */
#define WPS_REFRESH_DYNAMIC 2 /* line may change (e.g. time flag) */
#define WPS_REFRESH_SCROLL 4 /* line scrolls */
#define WPS_REFRESH_PLAYER_PROGRESS 8 /* line contains a progress bar */
#define WPS_REFRESH_PEAK_METER 16 /* line contains a peak meter */
#define WPS_REFRESH_ALL 0xff /* to refresh all line types */
/* to refresh only those lines that change over time */
#define WPS_REFRESH_NON_STATIC (WPS_REFRESH_ALL & ~WPS_REFRESH_STATIC & ~WPS_REFRESH_SCROLL)
/* alignments */
#define WPS_ALIGN_RIGHT 32
#define WPS_ALIGN_CENTER 64
#define WPS_ALIGN_LEFT 128
#ifdef HAVE_ALBUMART
/* albumart definitions */
#define WPS_ALBUMART_NONE 0 /* WPS does not contain AA tag */
#define WPS_ALBUMART_CHECK 1 /* WPS contains AA conditional tag */
#define WPS_ALBUMART_LOAD 2 /* WPS contains AA tag */
#define WPS_ALBUMART_ALIGN_RIGHT 1 /* x align: right */
#define WPS_ALBUMART_ALIGN_CENTER 2 /* x/y align: center */
#define WPS_ALBUMART_ALIGN_LEFT 4 /* x align: left */
#define WPS_ALBUMART_ALIGN_TOP 1 /* y align: top */
#define WPS_ALBUMART_ALIGN_BOTTOM 4 /* y align: bottom */
#endif /* HAVE_ALBUMART */
/* wps_data*/
#ifdef HAVE_LCD_BITMAP
struct gui_img{
struct bitmap bm;
struct viewport* vp; /* The viewport to display this image in */
short int x; /* x-pos */
short int y; /* y-pos */
short int num_subimages; /* number of sub-images */
short int subimage_height; /* height of each sub-image */
short int display; /* -1 for no display, 0..n to display a subimage */
bool loaded; /* load state */
bool always_display; /* not using the preload/display mechanism */
};
struct progressbar {
/* regular pb */
short x;
short y;
short width;
short height;
/*progressbar image*/
struct bitmap bm;
bool have_bitmap_pb;
};
#endif
struct align_pos {
char* left;
char* center;
char* right;
};
#ifdef HAVE_LCD_BITMAP
#define MAX_IMAGES (26*2) /* a-z and A-Z */
#define MAX_PROGRESSBARS 3
/* The image buffer is big enough to store one full-screen native bitmap,
plus two full-screen mono bitmaps. */
#define IMG_BUFSIZE ((LCD_HEIGHT*LCD_WIDTH*LCD_DEPTH/8) \
+ (2*LCD_HEIGHT*LCD_WIDTH/8))
#define WPS_MAX_VIEWPORTS 24
#define WPS_MAX_LINES ((LCD_HEIGHT/5+1) * 2)
#define WPS_MAX_SUBLINES (WPS_MAX_LINES*3)
#define WPS_MAX_TOKENS 1024
#define WPS_MAX_STRINGS 128
#define STRING_BUFFER_SIZE 1024
#define WPS_MAX_COND_LEVEL 10
#else
#define WPS_MAX_VIEWPORTS 2
#define WPS_MAX_LINES 2
#define WPS_MAX_SUBLINES 12
#define WPS_MAX_TOKENS 64
#define WPS_MAX_STRINGS 32
#define STRING_BUFFER_SIZE 64
#define WPS_MAX_COND_LEVEL 5
#endif
#define SUBLINE_RESET -1
enum wps_parse_error {
PARSE_OK,
PARSE_FAIL_UNCLOSED_COND,
PARSE_FAIL_INVALID_CHAR,
PARSE_FAIL_COND_SYNTAX_ERROR,
PARSE_FAIL_COND_INVALID_PARAM,
PARSE_FAIL_LIMITS_EXCEEDED,
};
enum wps_token_type {
WPS_NO_TOKEN, /* for WPS tags we don't want to save as tokens */
WPS_TOKEN_UNKNOWN,
/* Markers */
WPS_TOKEN_CHARACTER,
WPS_TOKEN_STRING,
/* Alignment */
WPS_TOKEN_ALIGN_LEFT,
WPS_TOKEN_ALIGN_CENTER,
WPS_TOKEN_ALIGN_RIGHT,
/* Sublines */
WPS_TOKEN_SUBLINE_TIMEOUT,
/* Battery */
WPS_TOKEN_BATTERY_PERCENT,
WPS_TOKEN_BATTERY_VOLTS,
WPS_TOKEN_BATTERY_TIME,
WPS_TOKEN_BATTERY_CHARGER_CONNECTED,
WPS_TOKEN_BATTERY_CHARGING,
WPS_TOKEN_BATTERY_SLEEPTIME,
/* Sound */
#if (CONFIG_CODEC != MAS3507D)
WPS_TOKEN_SOUND_PITCH,
#endif
#if (CONFIG_CODEC == SWCODEC)
WPS_TOKEN_REPLAYGAIN,
WPS_TOKEN_CROSSFADE,
#endif
/* Time */
/* The begin/end values allow us to know if a token is an RTC one.
New RTC tokens should be added between the markers. */
WPS_TOKENS_RTC_BEGIN, /* just the start marker, not an actual token */
WPS_TOKEN_RTC_DAY_OF_MONTH,
WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED,
WPS_TOKEN_RTC_12HOUR_CFG,
WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED,
WPS_TOKEN_RTC_HOUR_24,
WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED,
WPS_TOKEN_RTC_HOUR_12,
WPS_TOKEN_RTC_MONTH,
WPS_TOKEN_RTC_MINUTE,
WPS_TOKEN_RTC_SECOND,
WPS_TOKEN_RTC_YEAR_2_DIGITS,
WPS_TOKEN_RTC_YEAR_4_DIGITS,
WPS_TOKEN_RTC_AM_PM_UPPER,
WPS_TOKEN_RTC_AM_PM_LOWER,
WPS_TOKEN_RTC_WEEKDAY_NAME,
WPS_TOKEN_RTC_MONTH_NAME,
WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON,
WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN,
WPS_TOKENS_RTC_END, /* just the end marker, not an actual token */
/* Conditional */
WPS_TOKEN_CONDITIONAL,
WPS_TOKEN_CONDITIONAL_START,
WPS_TOKEN_CONDITIONAL_OPTION,
WPS_TOKEN_CONDITIONAL_END,
/* Database */
#ifdef HAVE_TAGCACHE
WPS_TOKEN_DATABASE_PLAYCOUNT,
WPS_TOKEN_DATABASE_RATING,
WPS_TOKEN_DATABASE_AUTOSCORE,
#endif
/* File */
WPS_TOKEN_FILE_BITRATE,
WPS_TOKEN_FILE_CODEC,
WPS_TOKEN_FILE_FREQUENCY,
WPS_TOKEN_FILE_FREQUENCY_KHZ,
WPS_TOKEN_FILE_NAME,
WPS_TOKEN_FILE_NAME_WITH_EXTENSION,
WPS_TOKEN_FILE_PATH,
WPS_TOKEN_FILE_SIZE,
WPS_TOKEN_FILE_VBR,
WPS_TOKEN_FILE_DIRECTORY,
#ifdef HAVE_LCD_BITMAP
/* Image */
WPS_TOKEN_IMAGE_BACKDROP,
WPS_TOKEN_IMAGE_PROGRESS_BAR,
WPS_TOKEN_IMAGE_PRELOAD,
WPS_TOKEN_IMAGE_PRELOAD_DISPLAY,
WPS_TOKEN_IMAGE_DISPLAY,
#endif
#ifdef HAVE_ALBUMART
/* Albumart */
WPS_TOKEN_ALBUMART_DISPLAY,
WPS_TOKEN_ALBUMART_FOUND,
#endif
/* Metadata */
WPS_TOKEN_METADATA_ARTIST,
WPS_TOKEN_METADATA_COMPOSER,
WPS_TOKEN_METADATA_ALBUM_ARTIST,
WPS_TOKEN_METADATA_GROUPING,
WPS_TOKEN_METADATA_ALBUM,
WPS_TOKEN_METADATA_GENRE,
WPS_TOKEN_METADATA_DISC_NUMBER,
WPS_TOKEN_METADATA_TRACK_NUMBER,
WPS_TOKEN_METADATA_TRACK_TITLE,
WPS_TOKEN_METADATA_VERSION,
WPS_TOKEN_METADATA_YEAR,
WPS_TOKEN_METADATA_COMMENT,
/* Mode */
WPS_TOKEN_REPEAT_MODE,
WPS_TOKEN_PLAYBACK_STATUS,
WPS_TOKEN_MAIN_HOLD,
#ifdef HAS_REMOTE_BUTTON_HOLD
WPS_TOKEN_REMOTE_HOLD,
#endif
/* Progressbar */
WPS_TOKEN_PROGRESSBAR,
#ifdef HAVE_LCD_CHARCELLS
WPS_TOKEN_PLAYER_PROGRESSBAR,
#endif
#ifdef HAVE_LCD_BITMAP
/* Peakmeter */
WPS_TOKEN_PEAKMETER,
#endif
/* Volume level */
WPS_TOKEN_VOLUME,
/* Current track */
WPS_TOKEN_TRACK_ELAPSED_PERCENT,
WPS_TOKEN_TRACK_TIME_ELAPSED,
WPS_TOKEN_TRACK_TIME_REMAINING,
WPS_TOKEN_TRACK_LENGTH,
/* Playlist */
WPS_TOKEN_PLAYLIST_ENTRIES,
WPS_TOKEN_PLAYLIST_NAME,
WPS_TOKEN_PLAYLIST_POSITION,
WPS_TOKEN_PLAYLIST_SHUFFLE,
#if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
/* Virtual LED */
WPS_TOKEN_VLED_HDD,
#endif
/* Viewport display */
WPS_VIEWPORT_ENABLE,
/* buttons */
WPS_TOKEN_BUTTON_VOLUME,
/* Setting option */
WPS_TOKEN_SETTING,
};
struct wps_token {
unsigned char type; /* enough to store the token type */
/* Whether the tag (e.g. track name or the album) refers the
current or the next song (false=current, true=next) */
bool next;
union {
char c;
unsigned short i;
} value;
};
/* Description of a subline on the WPS */
struct wps_subline {
/* Index of the first token for this subline in the token array.
Tokens of this subline end where tokens for the next subline
begin. */
unsigned short first_token_idx;
/* Bit or'ed WPS_REFRESH_xxx */
unsigned char line_type;
/* How long the subline should be displayed, in 10ths of sec */
unsigned char time_mult;
};
/* Description of a line on the WPS. A line is a set of sublines.
A subline is displayed for a certain amount of time. After that,
the next subline of the line is displayed. And so on. */
struct wps_line {
/* Number of sublines in this line */
signed char num_sublines;
/* Number (0-based) of the subline within this line currently being displayed */
signed char curr_subline;
/* Index of the first subline of this line in the subline array.
Sublines for this line end where sublines for the next line begin. */
unsigned short first_subline_idx;
/* When the next subline of this line should be displayed
(absolute time value in ticks) */
long subline_expire_time;
};
#define VP_DRAW_HIDEABLE 0x1
#define VP_DRAW_HIDDEN 0x2
#define VP_DRAW_WASHIDDEN 0x4
struct wps_viewport {
struct viewport vp; /* The LCD viewport struct */
struct progressbar *pb;
/* Indexes of the first and last lines belonging to this viewport in the
lines[] array */
int first_line, last_line;
char hidden_flags;
char label;
};
/* wps_data
this struct holds all necessary data which describes the
viewable content of a wps */
struct wps_data
{
#ifdef HAVE_LCD_BITMAP
struct gui_img img[MAX_IMAGES];
unsigned char img_buf[IMG_BUFSIZE];
unsigned char* img_buf_ptr;
int img_buf_free;
bool wps_sb_tag;
bool show_sb_on_wps;
struct progressbar progressbar[MAX_PROGRESSBARS];
short progressbar_count;
bool peak_meter_enabled;
#ifdef HAVE_ALBUMART
/* Album art support */
unsigned char wps_uses_albumart; /* WPS_ALBUMART_NONE, _CHECK, _LOAD */
short albumart_x;
short albumart_y;
unsigned char albumart_xalign; /* WPS_ALBUMART_ALIGN_LEFT, _CENTER, _RIGHT */
unsigned char albumart_yalign; /* WPS_ALBUMART_ALIGN_TOP, _CENTER, _BOTTOM */
short albumart_max_width;
short albumart_max_height;
int albumart_cond_index;
#endif
#else /*HAVE_LCD_CHARCELLS */
unsigned short wps_progress_pat[8];
bool full_line_progressbar;
#endif
#ifdef HAVE_REMOTE_LCD
bool remote_wps;
#endif
/* Number of lines in the WPS. During WPS parsing, this is
the index of the line being parsed. */
int num_lines;
/* Number of viewports in the WPS */
int num_viewports;
struct wps_viewport viewports[WPS_MAX_VIEWPORTS];
struct wps_line lines[WPS_MAX_LINES];
/* Total number of sublines in the WPS. During WPS parsing, this is
the index of the subline where the parsed tokens are added to. */
int num_sublines;
struct wps_subline sublines[WPS_MAX_SUBLINES];
/* Total number of tokens in the WPS. During WPS parsing, this is
the index of the token being parsed. */
int num_tokens;
struct wps_token tokens[WPS_MAX_TOKENS];
char string_buffer[STRING_BUFFER_SIZE];
char *strings[WPS_MAX_STRINGS];
int num_strings;
bool wps_loaded;
/* tick the volume button was last pressed */
unsigned int button_time_volume;
};
/* initial setup of wps_data */
void wps_data_init(struct wps_data *wps_data);
/* to setup up the wps-data from a format-buffer (isfile = false)
from a (wps-)file (isfile = true)*/
bool wps_data_load(struct wps_data *wps_data,
struct screen *display,
const char *buf,
bool isfile);
/* Returns the index of the subline in the subline array
line - 0-based line number
subline - 0-based subline number within the line
*/
int wps_subline_index(struct wps_data *wps_data, int line, int subline);
/* Returns the index of the first subline's token in the token array
line - 0-based line number
subline - 0-based subline number within the line
*/
int wps_first_token_index(struct wps_data *data, int line, int subline);
/* Returns the index of the last subline's token in the token array.
line - 0-based line number
subline - 0-based subline number within the line
*/
int wps_last_token_index(struct wps_data *data, int line, int subline);
/* wps_data end */
/* wps_state
holds the data which belongs to the current played track,
the track which will be played afterwards, current path to the track
and some status infos */
struct wps_state
{
bool ff_rewind;
bool paused;
int ff_rewind_count;
bool wps_time_countup;
struct mp3entry* id3;
struct mp3entry* nid3;
char current_track_path[MAX_PATH];
};
/* change the ff/rew-status
if ff_rew = true then we are in skipping mode
else we are in normal mode */
/* void wps_state_update_ff_rew(bool ff_rew); Currently unused */
/* change the tag-information of the current played track
and the following track */
/* void wps_state_update_id3_nid3(struct mp3entry *id3, struct mp3entry *nid3); Currently unused */
/* wps_state end*/
/* gui_wps
defines a wps with its data, state,
and the screen on which the wps-content should be drawn */
struct gui_wps
{
struct screen *display;
struct wps_data *data;
struct wps_state *state;
struct gui_statusbar *statusbar;
};
/* gui_wps end */
long gui_wps_show(void);
/* currently only on wps_state is needed */
extern struct wps_state wps_state;
extern struct gui_wps gui_wps[NB_SCREENS];
void gui_sync_wps_init(void);
void gui_sync_wps_screen_init(void);
#ifdef HAVE_ALBUMART
/* gives back if WPS contains an albumart tag */
bool gui_sync_wps_uses_albumart(void);
#endif
#endif
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