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Reverted the wps image cache as it was causing trouble to users when

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updating the image files on disk. Better solution is to be implemented
soon.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8519 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2006-02-01 08:43:29 +00:00
parent 98c37c7f89
commit b106e010d5
3 changed files with 4 additions and 128 deletions
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124
apps/gui/gwps-common.c
View file

@ -75,22 +75,6 @@ static char* skip_utf8_bom(char* buf)
* a..z and A..Z
*/
#ifdef HAVE_LCD_BITMAP
#define BMP_CACHE_VERSION 1
struct bmp_cache_header {
int version;
};
struct bmp_cache_entry {
char filename[MAX_PATH];
int width;
int height;
int format;
int size;
};
static int bmp_cache_fd = -1;
static bool bmp_cache_write;
static int get_image_id(int c)
{
if(c >= 'a' && c <= 'z')
@ -99,80 +83,6 @@ static int get_image_id(int c)
c = c - 'A' + 26;
return c;
}
void wps_initialize_bmp_cache(const char *file)
{
struct bmp_cache_header h;
bmp_cache_fd = open(file, O_RDONLY);
bmp_cache_write = 0;
/* Check header validity. */
if (bmp_cache_fd >= 0)
{
if ((read(bmp_cache_fd, &h, sizeof(struct bmp_cache_header))
!= sizeof(struct bmp_cache_header)
) || h.version != BMP_CACHE_VERSION)
{
close(bmp_cache_fd);
bmp_cache_fd = -1;
}
}
if (bmp_cache_fd < 0)
{
bmp_cache_fd = open(file, O_WRONLY | O_CREAT);
bmp_cache_write = 1;
/* Write the header. */
h.version = BMP_CACHE_VERSION;
write(bmp_cache_fd, &h, sizeof(struct bmp_cache_header));
}
}
void wps_close_bmp_cache(const char *file)
{
if (bmp_cache_fd >= 0)
{
close(bmp_cache_fd);
bmp_cache_fd = -1;
return ;
}
/* Remove the file if cache read failed. */
remove(file);
}
static int read_bmp_from_cache(const char *filename, struct bitmap *bm,
int buflen)
{
struct bmp_cache_entry c;
int rc;
if (!bmp_cache_fd || bmp_cache_write)
return -1;
rc = read(bmp_cache_fd, &c, sizeof(struct bmp_cache_entry));
if (rc != sizeof(struct bmp_cache_entry))
return -2;
if (buflen < c.size)
return -3;
if (strcasecmp(filename, c.filename))
return -4;
bm->width = c.width;
bm->height = c.height;
#if LCD_DEPTH > 1
bm->format = c.format;
#endif
rc = read(bmp_cache_fd, bm->data, c.size);
if (rc != c.size)
return -4;
return c.size;
}
#endif
/*
@ -308,21 +218,9 @@ bool wps_data_preload_tags(struct wps_data *data, char *buf,
/* load the image */
data->img[n].bm.data = data->img_buf_ptr;
ret = read_bmp_from_cache(imgname, &data->img[n].bm,
data->img_buf_free);
if (ret < 0)
{
if (!bmp_cache_write)
{
close(bmp_cache_fd);
bmp_cache_fd = -1;
}
ret = read_bmp_file(imgname, &data->img[n].bm,
data->img_buf_free,
FORMAT_ANY|FORMAT_TRANSPARENT);
}
ret = read_bmp_file(imgname, &data->img[n].bm,
data->img_buf_free,
FORMAT_ANY|FORMAT_TRANSPARENT);
if (ret > 0)
{
@ -330,21 +228,7 @@ bool wps_data_preload_tags(struct wps_data *data, char *buf,
if (ret % 2) ret++;
/* Always consume an even number of bytes */
#endif
/* Update the image cache. */
if (bmp_cache_write && bmp_cache_fd >= 0)
{
struct bmp_cache_entry c;
strncpy(c.filename, imgname, sizeof(c.filename)-1);
c.width = data->img[n].bm.width;
c.height = data->img[n].bm.height;
#if LCD_DEPTH > 1
c.format = data->img[n].bm.format;
#endif
c.size = ret;
write(bmp_cache_fd, &c, sizeof(struct bmp_cache_entry));
write(bmp_cache_fd, data->img_buf_ptr, ret);
}
data->img_buf_ptr += ret;
data->img_buf_free -= ret;
data->img[n].loaded = true;

3
apps/gui/gwps-common.h
View file

@ -23,9 +23,6 @@
#include "gwps.h"
void wps_initialize_bmp_cache(const char *file);
void wps_close_bmp_cache(const char *file);
void gui_wps_format_time(char* buf, int buf_size, long time);
void fade(bool fade_in);
void gui_wps_format(struct wps_data *data);

5
apps/gui/gwps.c
View file

@ -862,7 +862,6 @@ bool wps_data_load(struct wps_data *wps_data,
wps_data->img_buf_ptr = wps_data->img_buf; /* where in image buffer */
wps_data->img_buf_free = IMG_BUFSIZE; /* free space in image buffer */
wps_initialize_bmp_cache(ROCKBOX_DIR "/.wpscache");
#endif
while( ( read_line(fd, &wps_data->format_buffer[start],
sizeof(wps_data->format_buffer)-start) ) > 0 )
@ -881,10 +880,6 @@ bool wps_data_load(struct wps_data *wps_data,
}
}
#ifdef HAVE_LCD_BITMAP
wps_close_bmp_cache(ROCKBOX_DIR "/.wpscache");
#endif
if (start > 0)
{
gui_wps_format(wps_data);