src/terminal/image.c

   1 /** Support for image rendering
   2  * @file
   3  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 #include "config.h"
   7 #endif
   8
   9 #include <fcntl.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <sys/types.h>
  13 #include <sys/stat.h>
  14 #include <unistd.h>
  15
  16 #include "elinks.h"
  17
  18 #include "cache/cache.h"
  19 #include "osdep/image.h"
  20 #include "osdep/osdep.h"
  21 #include "terminal/terminal.h"
  22 #include "terminal/image.h"
  23 #include "util/error.h"
  24 #include "util/memory.h"
  25 #include "util/string.h"
  26
  27
  28 void
  29 show_image(struct terminal *term, int imgid, struct box *box, struct cache_entry *ce)
  30 {
  31         struct string s;
  32         int fd;
  33         struct fragment *f;
  34
  35 #if 0
  36         if (!term->imgfiles[imgid]) {
  37                 /* FIXME: We hardcode /tmp here. */
  38                 term->imgfiles[imgid] = stracpy("/tmp/elinksimgXXXXXX");
  39                 fd = mkstemp(term->imgfiles[imgid]);
  40         } else {
  41                 fd = open(term->imgfiles[imgid], O_WRONLY);
  42         }
  43 #else
  44         if (term->imgfiles[imgid]) {
  45                 unlink(term->imgfiles[imgid]);
  46                 mem_free(term->imgfiles[imgid]);
  47         }
  48         /* FIXME: We hardcode /tmp here. */
  49         term->imgfiles[imgid] = stracpy("/tmp/elinksimgXXXXXX");
  50         fd = mkstemp(term->imgfiles[imgid]);
  51 #endif
  52         f = get_cache_fragment(ce);
  53         assert(f->offset == 0);
  54         safe_write(fd, f->data, f->length);
  55         close(fd);
  56
  57         if (!init_string(&s))
  58                 return;
  59         add_format_to_string(&s, "%d %d %d %s %d %d", imgid, box->x, box->y,
  60                              term->imgfiles[imgid], box->width, box->height);
  61         do_terminal_function(term, TERM_FN_IMG_DRAW, s.source);
  62         done_string(&s);
  63 }
  64
  65 void
  66 move_image(struct terminal *term, int imgid, int x, int y)
  67 {
  68         struct string s;
  69
  70         if (!init_string(&s))
  71                 return;
  72         add_format_to_string(&s, "%d %d %d", imgid, x, y);
  73         do_terminal_function(term, TERM_FN_IMG_MOVE, s.source);
  74         done_string(&s);
  75 }
  76
  77 void
  78 hide_image(struct terminal *term, int imgid)
  79 {
  80         struct string s;
  81
  82         if (!init_string(&s))
  83                 return;
  84         add_format_to_string(&s, "%d", imgid);
  85         do_terminal_function(term, TERM_FN_IMG_HIDE, s.source);
  86         done_string(&s);
  87 }
  88
  89 void
  90 sync_images(struct terminal *term)
  91 {
  92         do_terminal_function(term, TERM_FN_IMG_SYNC, "");
  93 }
  94
  95
  96
  97 void
  98 get_image_size(struct cache_entry *ce, int *w, int *h)
  99 {
 100         int fd;
 101         struct fragment *f;
 102         unsigned char tmpfile[] = "/tmp/elinksimgXXXXXX";
 103
 104         fd = mkstemp(tmpfile);
 105         f = get_cache_fragment(ce);
 106         assert(f->offset == 0);
 107         safe_write(fd, f->data, f->length);
 108         close(fd);
 109
 110         image_size(tmpfile, w, h);
 111
 112         unlink(tmpfile);
 113 }