1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2007 Nicolas Pennequin
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
18 ****************************************************************************/
26 #include "buffering.h"
33 /* Strip filename from a full path
35 * buf - buffer to extract directory to.
36 * buf_size - size of buffer.
37 * fullpath - fullpath to extract from.
39 * Split the directory part of the given fullpath and store it in buf
40 * (including last '/').
41 * The function return parameter is a pointer to the filename
42 * inside the given fullpath.
44 static char* strip_filename(char* buf
, int buf_size
, const char* fullpath
)
49 if (!buf
|| buf_size
<= 0 || !fullpath
)
52 /* if 'fullpath' is only a filename return immediately */
53 sep
= strrchr(fullpath
, '/');
57 return (char*)fullpath
;
60 len
= MIN(sep
- fullpath
+ 1, buf_size
- 1);
61 strncpy(buf
, fullpath
, len
);
66 /* Make sure part of path only contain chars valid for a FAT32 long name.
67 * Double quotes are replaced with single quotes, other unsupported chars
68 * are replaced with an underscore.
70 * path - path to modify.
71 * offset - where in path to start checking.
72 * count - number of chars to check.
74 static void fix_path_part(char* path
, int offset
, int count
)
76 static const char invalid_chars
[] = "*/:<>?\\|";
81 for (i
= 0; i
<= count
; i
++, path
++)
87 else if (strchr(invalid_chars
, *path
))
92 /* Look for the first matching album art bitmap in the following list:
93 * ./<trackname><size>.bmp
94 * ./<albumname><size>.bmp
96 * ../<albumname><size>.bmp
98 * ROCKBOX_DIR/albumart/<artist>-<albumname><size>.bmp
99 * <size> is the value of the size_string parameter, <trackname> and
100 * <albumname> are read from the ID3 metadata.
101 * If a matching bitmap is found, its filename is stored in buf.
102 * Return value is true if a bitmap was found, false otherwise.
104 bool search_albumart_files(const struct mp3entry
*id3
, const char *size_string
,
105 char *buf
, int buflen
)
107 char path
[MAX_PATH
+ 1];
108 char dir
[MAX_PATH
+ 1];
110 const char *trackname
;
118 trackname
= id3
->path
;
120 if (strcmp(trackname
, "No file!") == 0)
123 strip_filename(dir
, sizeof(dir
), trackname
);
124 dirlen
= strlen(dir
);
125 albumlen
= id3
->album
? strlen(id3
->album
) : 0;
127 /* the first file we look for is one specific to the track playing */
128 strip_extension(path
, sizeof(path
) - strlen(size_string
) - 4, trackname
);
129 strcat(path
, size_string
);
130 strcat(path
, ".bmp");
131 found
= file_exists(path
);
132 if (!found
&& albumlen
> 0)
134 /* if it doesn't exist,
135 * we look for a file specific to the track's album name */
136 snprintf(path
, sizeof(path
),
137 "%s%s%s.bmp", dir
, id3
->album
, size_string
);
138 fix_path_part(path
, dirlen
, albumlen
);
139 found
= file_exists(path
);
144 /* if it still doesn't exist, we look for a generic file */
145 snprintf(path
, sizeof(path
),
146 "%scover%s.bmp", dir
, size_string
);
147 found
= file_exists(path
);
150 artist
= id3
->albumartist
!= NULL
? id3
->albumartist
: id3
->artist
;
152 if (!found
&& artist
&& id3
->album
)
154 /* look in the albumart subdir of .rockbox */
155 snprintf(path
, sizeof(path
),
156 ROCKBOX_DIR
"/albumart/%s-%s%s.bmp",
160 fix_path_part(path
, strlen(ROCKBOX_DIR
"/albumart/"), MAX_PATH
);
161 found
= file_exists(path
);
166 /* if it still doesn't exist,
167 * we continue to search in the parent directory */
169 path
[dirlen
- 1] = 0;
170 strip_filename(dir
, sizeof(dir
), path
);
171 dirlen
= strlen(dir
);
174 /* only try parent if there is one */
177 if (!found
&& albumlen
> 0)
179 /* we look in the parent directory
180 * for a file specific to the track's album name */
181 snprintf(path
, sizeof(path
),
182 "%s%s%s.bmp", dir
, id3
->album
, size_string
);
183 fix_path_part(path
, dirlen
, albumlen
);
184 found
= file_exists(path
);
189 /* if it still doesn't exist, we look in the parent directory
190 * for a generic file */
191 snprintf(path
, sizeof(path
),
192 "%scover%s.bmp", dir
, size_string
);
193 found
= file_exists(path
);
200 strncpy(buf
, path
, buflen
);
201 DEBUGF("Album art found: %s\n", path
);
205 /* Look for albumart bitmap in the same dir as the track and in its parent dir.
206 * Stores the found filename in the buf parameter.
207 * Returns true if a bitmap was found, false otherwise */
208 bool find_albumart(const struct mp3entry
*id3
, char *buf
, int buflen
)
214 struct wps_data
*data
= gui_wps
[0].data
;
219 DEBUGF("Looking for album art for %s\n", id3
->path
);
221 /* Write the size string, e.g. ".100x100". */
222 snprintf(size_string
, sizeof(size_string
), ".%dx%d",
223 data
->albumart_max_width
, data
->albumart_max_height
);
225 /* First we look for a bitmap of the right size */
226 if (search_albumart_files(id3
, size_string
, buf
, buflen
))
229 /* Then we look for generic bitmaps */
231 return search_albumart_files(id3
, size_string
, buf
, buflen
);
234 /* Draw the album art bitmap from the given handle ID onto the given WPS.
235 Call with clear = true to clear the bitmap instead of drawing it. */
236 void draw_album_art(struct gui_wps
*gwps
, int handle_id
, bool clear
)
238 if (!gwps
|| !gwps
->data
|| !gwps
->display
|| handle_id
< 0)
241 struct wps_data
*data
= gwps
->data
;
243 #ifdef HAVE_REMOTE_LCD
244 /* No album art on RWPS */
245 if (data
->remote_wps
)
250 if (bufgetdata(handle_id
, 0, (void *)&bmp
) <= 0)
253 short x
= data
->albumart_x
;
254 short y
= data
->albumart_y
;
255 short width
= bmp
->width
;
256 short height
= bmp
->height
;
258 if (data
->albumart_max_width
> 0)
260 /* Crop if the bitmap is too wide */
261 width
= MIN(bmp
->width
, data
->albumart_max_width
);
264 if (data
->albumart_xalign
& WPS_ALBUMART_ALIGN_RIGHT
)
265 x
+= data
->albumart_max_width
- width
;
266 else if (data
->albumart_xalign
& WPS_ALBUMART_ALIGN_CENTER
)
267 x
+= (data
->albumart_max_width
- width
) / 2;
270 if (data
->albumart_max_height
> 0)
272 /* Crop if the bitmap is too high */
273 height
= MIN(bmp
->height
, data
->albumart_max_height
);
276 if (data
->albumart_yalign
& WPS_ALBUMART_ALIGN_BOTTOM
)
277 y
+= data
->albumart_max_height
- height
;
278 else if (data
->albumart_yalign
& WPS_ALBUMART_ALIGN_CENTER
)
279 y
+= (data
->albumart_max_height
- height
) / 2;
284 /* Draw the bitmap */
285 gwps
->display
->set_drawmode(DRMODE_FG
);
286 gwps
->display
->bitmap_part((fb_data
*)bmp
->data
, 0, 0, bmp
->width
,
287 x
, y
, width
, height
);
288 gwps
->display
->set_drawmode(DRMODE_SOLID
);
292 /* Clear the bitmap */
293 gwps
->display
->set_drawmode(DRMODE_SOLID
|DRMODE_INVERSEVID
);
294 gwps
->display
->fillrect(x
, y
, width
, height
);
295 gwps
->display
->set_drawmode(DRMODE_SOLID
);