diff options
Diffstat (limited to 'fbi.c')
| -rw-r--r-- | fbi.c | 474 |
1 files changed, 291 insertions, 183 deletions
@@ -48,7 +48,9 @@ #define TRUE 1 #define FALSE 0 +#undef MAX #define MAX(x,y) ((x)>(y)?(x):(y)) +#undef MIN #define MIN(x,y) ((x)<(y)?(x):(y)) #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) @@ -88,24 +90,36 @@ int32_t lut_red[256], lut_green[256], lut_blue[256]; int dither = FALSE, pcd_res = 3; int v_steps = 50; int h_steps = 50; -int text_steps; int textreading = 0, redraw = 0, statusline = 1; -int new_image; -int left, top; -int show_top; -int show_bottom; int fitwidth; /* file list */ struct flist { + /* file list */ int nr; int tag; char *name; struct list_head list; + + /* image cache */ + int seen; + int top; + int left; + int text_steps; + float scale; + struct ida_image *fimg; + struct ida_image *simg; + struct list_head lru; }; static LIST_HEAD(flist); +static LIST_HEAD(flru); static int fcount; static struct flist *fcurrent; +static struct ida_image *img; + +/* accounting */ +static int img_cnt, min_cnt = 2, max_cnt = 16; +static int img_mem, max_mem_mb; /* framebuffer */ char *fbdev = NULL; @@ -120,22 +134,34 @@ static float fbgamma = 1; /* Command line options. */ int autodown; int autoup; -int autofirst; int comments; int transparency = 40; +int timeout; +int backup; +int preserve; +int read_ahead; +int editable; +int once; /* font handling */ static char *fontname = NULL; static FT_Face face; /* ---------------------------------------------------------------------- */ +/* fwd declarations */ + +static struct ida_image *flist_img_get(struct flist *f); +static void *flist_malloc(size_t size); +static void flist_img_load(struct flist *f, int prefetch); + +/* ---------------------------------------------------------------------- */ static void version(void) { fprintf(stderr, "fbi version " VERSION ", compiled on %s\n" - "(c) 1999-2004 Gerd Hoffmann <kraxel@bytesex.org> [SUSE Labs]\n", + "(c) 1999-2006 Gerd Hoffmann <kraxel@bytesex.org> [SUSE Labs]\n", __DATE__ ); } @@ -179,6 +205,7 @@ static int flist_add(char *filename) memset(f,0,sizeof(*f)); f->name = strdup(filename); list_add_tail(&f->list,&flist); + INIT_LIST_HEAD(&f->lru); return 0; } @@ -340,13 +367,14 @@ shadow_draw_image(struct ida_image *img, int xoff, int yoff, } } -static void status_prepare(struct ida_image *img) +static void status_prepare(void) { + struct ida_image *img = flist_img_get(fcurrent); int y1 = fb_var.yres - (face->size->metrics.height >> 6); int y2 = fb_var.yres - 1; if (img) { - shadow_draw_image(img, left, top, y1, y2); + shadow_draw_image(img, fcurrent->left, fcurrent->top, y1, y2); shadow_darkify(0, fb_var.xres-1, y1, y2, transparency); } else { shadow_clear_lines(y1, y2); @@ -354,14 +382,14 @@ static void status_prepare(struct ida_image *img) shadow_draw_line(0, fb_var.xres-1, y1-1, y1-1); } -static void status_update(struct ida_image *img, unsigned char *desc, char *info) +static void status_update(unsigned char *desc, char *info) { int yt = fb_var.yres + (face->size->metrics.descender >> 6); wchar_t str[128]; if (!statusline) return; - status_prepare(img); + status_prepare(); swprintf(str,sizeof(str),L"%s",desc); shadow_draw_string(face, 0, yt, str, -1); @@ -380,7 +408,7 @@ static void status_error(unsigned char *msg) int yt = fb_var.yres + (face->size->metrics.descender >> 6); wchar_t str[128]; - status_prepare(NULL); + status_prepare(); swprintf(str,sizeof(str), L"%s", msg); shadow_draw_string(face, 0, yt, str, -1); @@ -389,12 +417,12 @@ static void status_error(unsigned char *msg) sleep(2); } -static void status_edit(struct ida_image *img, unsigned char *msg, int pos) +static void status_edit(unsigned char *msg, int pos) { int yt = fb_var.yres + (face->size->metrics.descender >> 6); wchar_t str[128]; - status_prepare(img); + status_prepare(); swprintf(str,sizeof(str), L"%s", msg); shadow_draw_string_cursor(face, 0, yt, str, pos); @@ -556,7 +584,7 @@ static void debug_key(char *key) "%s%c", key[i] < 0x20 ? "^" : "", key[i] < 0x20 ? key[i] + 0x40 : key[i]); - status_update(NULL, linebuffer, NULL); + status_update(linebuffer, NULL); } static void @@ -589,8 +617,10 @@ console_switch(void) static void free_image(struct ida_image *img) { if (img) { - if (img->data) + if (img->data) { + img_mem -= img->i.width * img->i.height * 3; free(img->data); + } free(img); } } @@ -607,8 +637,6 @@ read_image(char *filename) unsigned int y; void *data; - new_image = 1; - /* open file */ if (NULL == (fp = fopen(filename, "r"))) { fprintf(stderr,"open %s: %s\n",filename,strerror(errno)); @@ -645,7 +673,8 @@ read_image(char *filename) free_image(img); return NULL; } - img->data = malloc(img->i.width * img->i.height * 3); + img->data = flist_malloc(img->i.width * img->i.height * 3); + img_mem += img->i.width * img->i.height * 3; for (y = 0; y < img->i.height; y++) { if (switch_last != fb_switch_state) console_switch(); @@ -678,7 +707,8 @@ scale_image(struct ida_image *src, float scale) p.height = 1; data = desc_resize.init(src,&rect,&dest->i,&p); - dest->data = malloc(dest->i.width * dest->i.height * 3); + dest->data = flist_malloc(dest->i.width * dest->i.height * 3); + img_mem += dest->i.width * dest->i.height * 3; for (y = 0; y < dest->i.height; y++) { if (switch_last != fb_switch_state) console_switch(); @@ -705,62 +735,54 @@ static float auto_scale(struct ida_image *img) /* ---------------------------------------------------------------------- */ static int -svga_show(struct ida_image *img, int timeout, char *desc, char *info, int *nr) +svga_show(struct flist *f, int timeout, char *desc, char *info, int *nr) { - static int paused = 0, skip = KEY_SPACE; - int exif = 0, help = 0; - int rc; - char key[11]; - fd_set set; - struct timeval limit; - char linebuffer[80]; - int fdmax; + static int paused = 0, skip = KEY_SPACE; + + struct ida_image *img = flist_img_get(f); + int exif = 0, help = 0; + int rc; + char key[11]; + fd_set set; + struct timeval limit; + char linebuffer[80]; + int fdmax; *nr = 0; if (NULL == img) return skip; - if (new_image) { - /* start with centered image, if larger than screen */ - if (img->i.width > fb_var.xres) - left = (img->i.width - fb_var.xres) / 2; - if (img->i.height > fb_var.yres) { - top = (img->i.height - fb_var.yres) / 2; - if (show_top) { - show_top = 0; - top = 0; - } - if (show_bottom) { - show_bottom = 0; - top = img->i.height - fb_var.yres; - } - } - new_image = 0; - } - redraw = 1; for (;;) { if (redraw) { redraw = 0; if (img->i.height <= fb_var.yres) { - top = 0; + f->top = 0; } else { - if (top < 0) - top = 0; - if (top + fb_var.yres > img->i.height) - top = img->i.height - fb_var.yres; + if (f->top < 0) + f->top = 0; + if (f->top + fb_var.yres > img->i.height) + f->top = img->i.height - fb_var.yres; } if (img->i.width <= fb_var.xres) { - left = 0; + f->left = 0; } else { - if (left < 0) - left = 0; - if (left + fb_var.xres > img->i.width) - left = img->i.width - fb_var.xres; + if (f->left < 0) + f->left = 0; + if (f->left + fb_var.xres > img->i.width) + f->left = img->i.width - fb_var.xres; } - shadow_draw_image(img, left, top, 0, fb_var.yres-1); - status_update(img, desc, info); + shadow_draw_image(img, f->left, f->top, 0, fb_var.yres-1); + status_update(desc, info); shadow_render(); + + if (read_ahead) { + struct flist *f = flist_next(fcurrent,1,0); + if (f && !f->fimg) + flist_img_load(f,1); + status_update(desc, info); + shadow_render(); + } } if (switch_last != fb_switch_state) { console_switch(); @@ -817,9 +839,9 @@ svga_show(struct ida_image *img, int timeout, char *desc, char *info, int *nr) return KEY_Q; } else if (0 == strcmp(key, " ")) { - if (textreading && top < (int)(img->i.height - fb_var.yres)) { + if (textreading && f->top < (int)(img->i.height - fb_var.yres)) { redraw = 1; - top += text_steps; + f->top += f->text_steps; } else { skip = KEY_SPACE; return KEY_SPACE; @@ -827,29 +849,29 @@ svga_show(struct ida_image *img, int timeout, char *desc, char *info, int *nr) } else if (0 == strcmp(key, "\x1b[A") && img->i.height > fb_var.yres) { redraw = 1; - top -= v_steps; + f->top -= v_steps; } else if (0 == strcmp(key, "\x1b[B") && img->i.height > fb_var.yres) { redraw = 1; - top += v_steps; + f->top += v_steps; } else if (0 == strcmp(key, "\x1b[1~") && img->i.height > fb_var.yres) { redraw = 1; - top = 0; + f->top = 0; } else if (0 == strcmp(key, "\x1b[4~")) { redraw = 1; - top = img->i.height - fb_var.yres; + f->top = img->i.height - fb_var.yres; } else if (0 == strcmp(key, "\x1b[D") && img->i.width > fb_var.xres) { redraw = 1; - left -= h_steps; + f->left -= h_steps; } else if (0 == strcmp(key, "\x1b[C") && img->i.width > fb_var.xres) { redraw = 1; - left += h_steps; + f->left += h_steps; } else if (0 == strcmp(key, "\x1b[5~") || 0 == strcmp(key, "j") || 0 == strcmp(key, "J")) { - if (textreading && top > 0) { + if (textreading && f->top > 0) { redraw = 1; - top -= text_steps; + f->top -= f->text_steps; } else { skip = KEY_PGUP; return KEY_PGUP; @@ -860,9 +882,9 @@ svga_show(struct ida_image *img, int timeout, char *desc, char *info, int *nr) 0 == strcmp(key, "K") || 0 == strcmp(key, "n") || 0 == strcmp(key, "N")) { - if (textreading && top < (int)(img->i.height - fb_var.yres)) { + if (textreading && f->top < (int)(img->i.height - fb_var.yres)) { redraw = 1; - top += text_steps; + f->top += f->text_steps; } else { skip = KEY_PGDN; return KEY_PGDN; @@ -880,7 +902,7 @@ svga_show(struct ida_image *img, int timeout, char *desc, char *info, int *nr) 0 == strcmp(key, "P")) { if (0 != timeout) { paused = !paused; - status_update(img, paused ? "pause on " : "pause off", NULL); + status_update(paused ? "pause on " : "pause off", NULL); } } else if (0 == strcmp(key, "D")) { @@ -931,7 +953,7 @@ svga_show(struct ida_image *img, int timeout, char *desc, char *info, int *nr) } else if (rc == 1 && *key >= '0' && *key <= '9') { *nr = *nr * 10 + (*key - '0'); snprintf(linebuffer, sizeof(linebuffer), "> %d",*nr); - status_update(img, linebuffer, NULL); + status_update(linebuffer, NULL); } else { *nr = 0; #if 0 @@ -941,18 +963,19 @@ svga_show(struct ida_image *img, int timeout, char *desc, char *info, int *nr) } } -static void scale_fix_top_left(float old, float new, struct ida_image *img) +static void scale_fix_top_left(struct flist *f, float old, float new) { + struct ida_image *img = flist_img_get(f); unsigned int width, height; float cx,cy; - cx = (float)(left + fb_var.xres/2) / (img->i.width * old); - cy = (float)(top + fb_var.yres/2) / (img->i.height * old); + cx = (float)(f->left + fb_var.xres/2) / (img->i.width * old); + cy = (float)(f->top + fb_var.yres/2) / (img->i.height * old); - width = img->i.width * new; - height = img->i.height * new; - left = cx * width - fb_var.xres/2; - top = cy * height - fb_var.yres/2; + width = img->i.width * new; + height = img->i.height * new; + f->left = cx * width - fb_var.xres/2; + f->top = cy * height - fb_var.yres/2; } /* ---------------------------------------------------------------------- */ @@ -1030,7 +1053,7 @@ static char edit_line(struct ida_image *img, char *line, int max) fd_set set; do { - status_edit(img,line,pos); + status_edit(line,pos); FD_SET(0, &set); rc = select(1, &set, NULL, NULL, NULL); @@ -1122,6 +1145,160 @@ static void edit_desc(struct ida_image *img, char *filename) /* ---------------------------------------------------------------------- */ +static struct ida_image *flist_img_get(struct flist *f) +{ + if (1 != f->scale) + return f->simg; + else + return f->fimg; +} + +static void flist_img_free(struct flist *f) +{ + if (!f->fimg) + return; + + free_image(f->fimg); + if (f->simg) + free_image(f->simg); + f->fimg = NULL; + f->simg = NULL; + list_del(&f->lru); + img_cnt--; +} + +static int flist_img_free_lru(void) +{ + struct flist *f; + + if (img_cnt <= min_cnt) + return -1; + f = list_entry(flru.next, struct flist, lru); + flist_img_free(f); + return 0; +} + +static void flist_img_release_memory(void) +{ + int try_release; + + for (;;) { + try_release = 0; + if (img_cnt > max_cnt) + try_release = 1; + if (img_mem > max_mem_mb * 1024 * 1024) + try_release = 1; + if (!try_release) + break; + if (0 != flist_img_free_lru()) + break; + } + return; +} + +static void *flist_malloc(size_t size) +{ + void *ptr; + + for (;;) { + ptr = malloc(size); + if (ptr) + return ptr; + if (0 != flist_img_free_lru()) { + status_error("Oops: out of memory, exiting"); + exit(1); + } + } +} + +static void flist_img_scale(struct flist *f, float scale, int prefetch) +{ + char linebuffer[128]; + + if (!f->fimg) + return; + if (f->simg && f->scale == scale) + return; + + if (f->simg) { + free_image(f->simg); + f->simg = NULL; + } + if (scale != 1) { + if (!prefetch) { + snprintf(linebuffer, sizeof(linebuffer), + "scaling (%.0f%%) %s ...", + scale*100, f->name); + status_update(linebuffer, NULL); + } + f->simg = scale_image(f->fimg,scale); + if (!f->simg) { + snprintf(linebuffer,sizeof(linebuffer), + "%s: scaling FAILED",f->name); + status_error(linebuffer); + } + } + f->scale = scale; +} + +static void flist_img_load(struct flist *f, int prefetch) +{ + char linebuffer[128]; + float scale = 1; + + if (f->fimg) { + /* touch */ + list_del(&f->lru); + list_add_tail(&f->lru, &flru); + return; + } + + snprintf(linebuffer,sizeof(linebuffer),"%s %s ...", + prefetch ? "prefetch" : "loading", f->name); + status_update(linebuffer, NULL); + f->fimg = read_image(f->name); + if (!f->fimg) { + snprintf(linebuffer,sizeof(linebuffer), + "%s: loading FAILED",f->name); + status_error(linebuffer); + return; + } + + if (!f->seen) { + scale = 1; + if (autoup || autodown) { + scale = auto_scale(f->fimg); + if (scale < 1 && !autodown) + scale = 1; + if (scale > 1 && !autoup) + scale = 1; + } + } else { + scale = f->scale; + } + flist_img_scale(f, scale, prefetch); + + if (!f->seen) { + struct ida_image *img = flist_img_get(f); + if (img->i.width > fb_var.xres) + f->left = (img->i.width - fb_var.xres) / 2; + if (img->i.height > fb_var.yres) { + f->top = (img->i.height - fb_var.yres) / 2; + if (textreading) { + int pages = ceil((float)img->i.height / fb_var.yres); + f->text_steps = ceil((float)img->i.height / pages); + f->top = 0; + } + } + } + + list_add_tail(&f->lru, &flru); + f->seen = 1; + img_cnt++; +} + +/* ---------------------------------------------------------------------- */ + static void cleanup_and_exit(int code) { shadow_fini(); @@ -1135,20 +1312,7 @@ static void cleanup_and_exit(int code) int main(int argc, char *argv[]) { - int timeout = 0; - int backup = 0; - int preserve = 0; - - struct ida_image *fimg = NULL; - struct ida_image *simg = NULL; - struct ida_image *img = NULL; - float scale = 1; - float newscale = 1; - - int editable = 0, once = 0; - int need_read; int i, arg, key; - char *info, *desc, *filelist; char linebuffer[128]; @@ -1185,14 +1349,15 @@ main(int argc, char *argv[]) once = GET_ONCE(); autoup = GET_AUTO_UP(); autodown = GET_AUTO_DOWN(); - autofirst = GET_AUTO_FIRST(); fitwidth = GET_FIT_WIDTH(); statusline = GET_VERBOSE(); textreading = GET_TEXT_MODE(); editable = GET_EDIT(); backup = GET_BACKUP(); preserve = GET_PRESERVE(); + read_ahead = GET_READ_AHEAD(); + max_mem_mb = GET_CACHE_MEM(); v_steps = GET_SCROLL(); h_steps = GET_SCROLL(); timeout = GET_TIMEOUT(); @@ -1217,7 +1382,6 @@ main(int argc, char *argv[]) if (GET_RANDOM()) flist_randomize(); fcurrent = flist_first(); - need_read = 1; font_init(); if (NULL == fontname) @@ -1236,61 +1400,20 @@ main(int argc, char *argv[]) shadow_set_palette(fd); signal(SIGTSTP,SIG_IGN); - if (textreading) { - show_top = 1; - text_steps = fb_var.yres - 100; - } - /* svga main loop */ tty_raw(); desc = NULL; info = NULL; - scale = 1; for (;;) { - if (need_read) { - need_read = 0; - free_image(fimg); - free_image(simg); - fimg = NULL; - simg = NULL; - img = NULL; - snprintf(linebuffer,sizeof(linebuffer),"loading %s ...",fcurrent->name); - status_update(img,linebuffer, NULL); - fimg = read_image(fcurrent->name); - if (fimg) { - if (autoup || autodown) { - scale = auto_scale(fimg); - if (scale < 1 && !autodown) - scale = 1; - if (scale > 1 && !autoup) - scale = 1; - if (autofirst) - autoup = autodown = 0; - } - if (scale != 1) { - snprintf(linebuffer, sizeof(linebuffer), - "scaling (%.0f%%) %s ...", - scale*100, fcurrent->name); - status_update(img,linebuffer, NULL); - simg = scale_image(fimg,scale); - img = simg; - } else { - img = fimg; - } - desc = make_desc(&fimg->i,fcurrent->name); - } - if (!img) { - snprintf(linebuffer,sizeof(linebuffer), - "%s: FAILED",fcurrent->name); - status_error(linebuffer); - } - } + flist_img_load(fcurrent, 0); + flist_img_release_memory(); + img = flist_img_get(fcurrent); if (img) { - int pages = ceil((float)img->i.height / fb_var.yres); - text_steps = ceil((float)img->i.height / pages); - info = make_info(fimg,scale); + desc = make_desc(&fcurrent->fimg->i, fcurrent->name); + info = make_info(fcurrent->fimg, fcurrent->scale); } - switch (key = svga_show(img, timeout, desc, info, &arg)) { + + switch (key = svga_show(fcurrent, timeout, desc, info, &arg)) { case KEY_DELETE: if (editable) { struct flist *fdel = fcurrent; @@ -1299,9 +1422,9 @@ main(int argc, char *argv[]) else fcurrent = flist_next(fcurrent,0,0); unlink(fdel->name); + flist_img_free(fdel); flist_del(fdel); flist_renumber(); - need_read = 1; if (list_empty(&flist)) { /* deleted last one */ cleanup_and_exit(0); @@ -1316,7 +1439,7 @@ main(int argc, char *argv[]) if (editable) { snprintf(linebuffer,sizeof(linebuffer), "rotating %s ...",fcurrent->name); - status_update(img, linebuffer, NULL); + status_update(linebuffer, NULL); jpeg_transform_inplace (fcurrent->name, (key == KEY_ROT_CW) ? JXFORM_ROT_90 : JXFORM_ROT_270, @@ -1327,7 +1450,7 @@ main(int argc, char *argv[]) JFLAG_TRANSFORM_IMAGE | JFLAG_TRANSFORM_THUMBNAIL | JFLAG_UPDATE_ORIENTATION); - need_read = 1; + flist_img_free(fcurrent); } else { status_error("readonly mode, sorry [start with --edit?]"); } @@ -1337,10 +1460,7 @@ main(int argc, char *argv[]) fcurrent->tag = !fcurrent->tag; /* fall throuth */ case KEY_SPACE: - need_read = 1; fcurrent = flist_next(fcurrent,1,0); - if (textreading) - show_top = 1; if (NULL != fcurrent) break; /* else fall */ @@ -1350,19 +1470,12 @@ main(int argc, char *argv[]) cleanup_and_exit(0); break; case KEY_PGDN: - need_read = 1; fcurrent = flist_next(fcurrent,0,1); - if (textreading) - show_top = 1; break; case KEY_PGUP: - need_read = 1; fcurrent = flist_prev(fcurrent,1); - if (textreading) - show_bottom = 1; break; case KEY_TIMEOUT: - need_read = 1; fcurrent = flist_next(fcurrent,once,1); if (NULL == fcurrent) { cleanup_and_exit(0); @@ -1373,34 +1486,29 @@ main(int argc, char *argv[]) case KEY_MINUS: case KEY_ASCALE: case KEY_SCALE: - if (key == KEY_PLUS) { - newscale = scale * 1.6; - } else if (key == KEY_MINUS) { - newscale = scale / 1.6; - } else if (key == KEY_ASCALE) { - newscale = auto_scale(fimg); - } else { - newscale = arg / 100.0; + { + float newscale; + + if (key == KEY_PLUS) { + newscale = fcurrent->scale * 1.6; + } else if (key == KEY_MINUS) { + newscale = fcurrent->scale / 1.6; + } else if (key == KEY_ASCALE) { + newscale = auto_scale(fcurrent->fimg); + } else { + newscale = arg / 100.0; + } + if (newscale < 0.1) + newscale = 0.1; + if (newscale > 10) + newscale = 10; + scale_fix_top_left(fcurrent, fcurrent->scale, newscale); + flist_img_scale(fcurrent, newscale, 0); + break; } - if (newscale < 0.1) - newscale = 0.1; - if (newscale > 10) - newscale = 10; - scale_fix_top_left(scale, newscale, img); - scale = newscale; - snprintf(linebuffer,sizeof(linebuffer), - "scaling (%.0f%%) %s ...", - scale*100, fcurrent->name); - status_update(NULL, linebuffer, NULL); - free_image(simg); - simg = scale_image(fimg,scale); - img = simg; - break; case KEY_GOTO: - if (arg > 0 && arg <= fcount) { - need_read = 1; + if (arg > 0 && arg <= fcount) fcurrent = flist_goto(arg); - } break; case KEY_DELAY: timeout = arg; @@ -1418,7 +1526,7 @@ main(int argc, char *argv[]) case KEY_DESC: if (!comments) { edit_desc(img, fcurrent->name); - desc = make_desc(&fimg->i,fcurrent->name); + desc = make_desc(&fcurrent->fimg->i,fcurrent->name); } break; } |