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| author | Tomas Bzatek <tbzatek@users.sourceforge.net> | 2009-02-26 22:50:39 +0100 |
|---|---|---|
| committer | Tomas Bzatek <tbzatek@users.sourceforge.net> | 2009-02-26 22:50:39 +0100 |
| commit | 89c58dc04c264c5778ae34d1428e12483f3ac5ac (patch) | |
| tree | d5aef506841b3b0e2e91016d0c0bbb608535873c /src/generators.c | |
| parent | 10a77c7a1c4648693ded958d6ac8641afcdf1d34 (diff) | |
| download | cataract-89c58dc04c264c5778ae34d1428e12483f3ac5ac.tar.xz | |
Autotoolize
Diffstat (limited to 'src/generators.c')
| -rw-r--r-- | src/generators.c | 1037 |
1 files changed, 1037 insertions, 0 deletions
diff --git a/src/generators.c b/src/generators.c new file mode 100644 index 0000000..8a2053a --- /dev/null +++ b/src/generators.c @@ -0,0 +1,1037 @@ +/* Cataract - Static web photo gallery generator + * Copyright (C) 2008 Tomas Bzatek <tbzatek@users.sourceforge.net> + * + * 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 any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <sys/stat.h> +#include <unistd.h> + +#include <glib.h> + +#include <config.h> + +#include "cgg-config.h" +#include "setup.h" +#include "items.h" +#include "jpeg-utils.h" +#include "gallery-utils.h" +#include "generators-replace-table.h" + + +/* + * generate_image: auxiliary function for write_html_album + * - img_src and thumb should be freed afterwards + */ +void +generate_image (TGallerySetup *setup, + TAlbum *items, + TIndexItem *item, + unsigned int item_index, + const char *dst, + unsigned long *img_w, unsigned long *img_h, + char **img_src, char **thumb) +{ + unsigned long new_w, new_h; + unsigned long thumb_w, thumb_h; + char *thumb_dst; + char *big_dst; + char *big_src; + char *orig_dst; + char *img_src_full; + char *thumb_src_full; + char *s1; + int bigq; + + + *img_src = NULL; + *thumb = NULL; + *img_w = 0; + *img_h = 0; + + if (items->type == GALLERY_TYPE_INDEX) { + if (item->thumbnail == NULL || strlen (item->thumbnail) == 0) + return; + img_src_full = g_strconcat (items->base_dir, "/", item->thumbnail, NULL); + thumb_src_full = g_strconcat (items->base_dir, "/", item->thumbnail, NULL); + *img_src = g_path_get_basename (item->thumbnail); + s1 = g_path_get_basename (item->thumbnail); + *thumb = g_strdup_printf ("thn_%.3d_%s", item_index, s1); + g_free (s1); + } + else + if (items->type == GALLERY_TYPE_ALBUM) { + *img_src = (item->path == NULL && item->preview) ? item->preview : item->path; + *thumb = (item->thumbnail) ? item->thumbnail : *img_src; + img_src_full = g_strconcat (items->base_dir, "/", *img_src, NULL); + thumb_src_full = g_strconcat (items->base_dir, "/", *thumb, NULL); + *img_src = g_path_get_basename (*img_src); + s1 = g_path_get_basename (*thumb); + *thumb = g_strdup_printf ("thn_%.3d_%s", item_index, s1); + g_free (s1); + } + + get_image_sizes (img_src_full, img_w, img_h); + + if ((img_w > 0) && (img_h > 0)) { + new_w = *img_w; + new_h = *img_h; + + /* Generate thumbnail */ + get_image_sizes (thumb_src_full, &thumb_w, &thumb_h); + s1 = g_path_get_dirname (dst); + thumb_dst = g_strconcat (s1, "/", THUMBNAIL_DIR, "/", *thumb, NULL); + g_free (s1); + if (setup->verbose) printf (" Generating thumbnail of '%s' ...", *thumb); + + if ((thumb_w > 0) && (thumb_h > 0)) { + if ((thumb_w / thumb_h) >= 1) + calculate_sizes (setup->thumbnail_landscape_width, setup->thumbnail_landscape_height, &thumb_w, &thumb_h); + else + calculate_sizes (setup->thumbnail_portrait_width, setup->thumbnail_portrait_height, &thumb_w, &thumb_h); + if (! resize_image (thumb_src_full, thumb_dst, thumb_w, thumb_h, setup->thumbnail_quality, TRUE)) + fprintf (stderr, "write_html_index: error resizing thumbnail %s\n", thumb_src_full); + else + if (setup->verbose) printf (" done.\n"); + g_free (thumb_dst); + } else + printf (" failed!\n"); + + + /* Generate/copy preview and original image */ + if (items->type == GALLERY_TYPE_ALBUM) + { + s1 = g_path_get_dirname (dst); + big_dst = g_strconcat (s1, "/", IMG_BIG_DIR, "/", *img_src, NULL); + g_free (s1); + + if (item->preview == NULL) { + /* No preview image supplied, generate it from original */ + bigq = setup->preview_quality; + if ((items->quality > 0) && (items->quality <= 100)) + bigq = items->quality; + if ((item->quality > 0) && (item->quality <= 100)) + bigq = item->quality; + new_w = *img_w; + new_h = *img_h; + + if (setup->verbose) printf (" Generating preview of '%s' ...", *img_src); + if ((item->width > 0) && (item->height > 0)) { + calculate_sizes (item->width, item->height, &new_w, &new_h); + } else { + if ((*img_w / *img_h) >= 1) + { + if ((items->landscape_width > 0) && (items->landscape_height > 0)) + calculate_sizes (items->landscape_width, items->landscape_height, &new_w, &new_h); + else + calculate_sizes (setup->preview_landscape_width, setup->preview_landscape_height, &new_w, &new_h); + } + else + { + if ((items->portrait_width > 0) && (items->portrait_height > 0)) + calculate_sizes (items->portrait_width, items->portrait_height, &new_w, &new_h); + else + calculate_sizes (setup->preview_portrait_width, setup->preview_portrait_height, &new_w, &new_h); + } + } + + if (! resize_image (img_src_full, big_dst, new_w, new_h, bigq, FALSE)) + fprintf (stderr, "write_html_index: error resizing big image %s\n", img_src_full); + else + if (setup->verbose) printf (" done.\n"); + } + else + { + /* Copy the preview (big) image provided */ + big_src = g_strconcat (items->base_dir, "/", item->preview, NULL); + if (setup->verbose) printf (" Copying preview image '%s' ...", *img_src); + if (! copy_file (big_src, big_dst)) + fprintf (stderr, "write_html_index: error copying preview image %s\n", big_src); + else + if (setup->verbose) printf (" done.\n"); + g_free (big_src); + } + modify_exif (big_dst, setup->erase_exif_thumbnail, setup->add_copyright); + g_free (big_dst); + + if (item->force_fullsize || (items->fullsize && ! item->force_nofullsize) || + (! item->force_nofullsize && ! items->nofullsize && ! setup->nofullsize)) + { + s1 = g_path_get_dirname(dst); + orig_dst = g_strconcat (s1, "/", IMG_ORIG_DIR, "/", *img_src, NULL); + g_free (s1); + if (setup->verbose) printf (" Copying original image '%s' ...", *img_src); + if (! copy_file(img_src_full, orig_dst)) + fprintf (stderr, "write_html_index: error copying original image %s\n", img_src_full); + else + if (setup->verbose) printf(" done.\n"); + modify_exif (orig_dst, setup->erase_exif_thumbnail, setup->add_copyright); + g_free (orig_dst); + } + } + } + g_free (img_src_full); + g_free (thumb_src_full); +} + + + +/* + * write_html_album: process album and index template files + * + * template_src = template file of the album/index + * dst = save generated file as + * items = array of items in the album/index + * + */ +gboolean +write_html_album (TGallerySetup *setup, + const char *template_src, + const char *dst, + TAlbum *items) +{ + #define BUFFER_SIZE 65536 + FILE *fin; + FILE *fout; + char *buffer; + char *buf_img_list_landscape; + char *buf_img_list_portrait; + char *buf_img_separator; + char *buf_go_up_string; + gboolean in_img_list; + gboolean in_img_list_landscape; + gboolean in_img_list_portrait; + gboolean in_img_separator; + gboolean in_go_up_string; + char *b; + char *s1, *s2, *s3, *s4, *s5; + TAlbum *parent; + TIndexItem *item; + TIndexItem *tmp_item; + int level, old_parent_item_index; + gboolean res, bb; + int i; + unsigned long img_w, img_h; + char *img_src; + char *thumb; + unsigned int real_total_items; + ReplaceTable *global_replace_table; + ReplaceTable *local_replace_table; + + + fin = fopen (template_src, "r"); + if (fin == NULL) { + fprintf (stderr, "write_html_index: error reading file \"%s\": %s\n", template_src, strerror (errno)); + return FALSE; + } + fout = fopen (dst, "w"); + if (fout == NULL) { + fprintf (stderr, "write_html_index: error writing to file \"%s\": %s\n", dst, strerror (errno)); + fclose (fin); + return FALSE; + } + + buffer = malloc (BUFFER_SIZE); + buf_img_list_landscape = malloc (BUFFER_SIZE); + buf_img_list_portrait = malloc (BUFFER_SIZE); + buf_img_separator = malloc (BUFFER_SIZE); + buf_go_up_string = malloc (BUFFER_SIZE); + in_img_list = FALSE; + in_img_list_landscape = FALSE; + in_img_list_portrait = FALSE; + in_img_separator = FALSE; + in_go_up_string = FALSE; + res = TRUE; + + global_replace_table = replace_table_new (); + + /* Get number of real pictures in the list */ + real_total_items = 0; + for (i = 0; i < items->items->len; i++) { + tmp_item = g_ptr_array_index (items->items, i); + if (tmp_item->type == INDEX_ITEM_TYPE_PICTURE) + real_total_items++; + } + replace_table_add_key_int (global_replace_table, "TOTAL_ITEMS", real_total_items); + + /* Page title */ + if (items->parent_index == NULL || setup->site_title == NULL) + s1 = g_strdup (setup->site_title ? setup->site_title : items->ID); + else + s1 = g_strdup_printf ("%s | %s", items->title, setup->site_title); + replace_table_add_key (global_replace_table, "PAGE_TITLE", s1); + g_free (s1); + + /* Simple placeholders */ + replace_table_add_key (global_replace_table, "ID", items->ID); + replace_table_add_key (global_replace_table, "TITLE", items->title); + replace_table_add_key (global_replace_table, "DESCRIPTION", items->desc); + replace_table_add_key (global_replace_table, "FOOTNOTE", items->footnote); + replace_table_add_key (global_replace_table, "FOOTER", setup->footer); + s1 = setup->use_inpage_links ? g_strdup_printf ("../index.html#i%d", items->parent_item_index + 1) : g_strdup ("../index.html"); + replace_table_add_key (global_replace_table, "GO_UP_LINK", s1); + g_free (s1); + + /* Navigation bar */ + s1 = g_strdup (items->ID); + old_parent_item_index = items->parent_item_index + 1; + parent = items->parent_index; + level = 1; + while (parent) { + s3 = make_string ("../", level); + s4 = g_strdup (parent->ID); + s5 = setup->use_inpage_links ? g_strdup_printf ("#i%d", old_parent_item_index) : g_strdup (""); + s2 = g_strdup_printf ("<a href=\"%sindex.html%s\">%s</a> > %s", s3, s5, s4, s1); + free (s3); + g_free (s1); + g_free (s4); + g_free (s5); + s1 = s2; + old_parent_item_index = parent->parent_item_index + 1; + parent = parent->parent_index; + level++; + } + replace_table_add_key (global_replace_table, "NAV_BAR", s1); + g_free (s1); + + /* META tags */ + s1 = g_strdup_printf ("\t<meta name=\"generator\" content=\"Cataract Gallery Generator v%s\" />\n", VERSION); + if (setup->meta_author || items->meta_author) { + s3 = g_strdup (items->meta_author ? items->meta_author : setup->meta_author); + adjust_tags_parameter (&s3); + s2 = g_strdup_printf ("%s\t<meta name=\"author\" content=\"%s\" />\n", s1, s3); + g_free (s3); + g_free (s1); + s1 = s2; + } + if (setup->meta_description || items->meta_description) { + s3 = g_strdup (items->meta_description ? items->meta_description : setup->meta_description); + adjust_tags_parameter (&s3); + s2 = g_strdup_printf ("%s\t<meta name=\"description\" content=\"%s\" />\n", s1, s3); + g_free (s3); + g_free (s1); + s1 = s2; + } + if (setup->meta_keywords || items->meta_keywords) { + s3 = g_strdup (items->meta_keywords ? items->meta_keywords : setup->meta_keywords); + adjust_tags_parameter (&s3); + s2 = g_strdup_printf ("%s\t<meta name=\"keywords\" content=\"%s\" />\n", s1, s3); + g_free (s3); + g_free (s1); + s1 = s2; + } + replace_table_add_key (global_replace_table, "CGG_META_TAGS", s1); + g_free (s1); + + + /* Read through the template and replace placeholders with real data */ + while (! feof (fin)) + { + memset (buffer, 0, BUFFER_SIZE); + if (! fgets (buffer, BUFFER_SIZE, fin)) + break; + + /* Block placeholders */ + if (in_img_list && (strstr (buffer, "<!-- $(BEGIN_IMG_LIST_LANDSCAPE) -->"))) { + in_img_list_landscape = TRUE; + continue; + } + if (in_img_list && (strstr (buffer, "<!-- $(END_IMG_LIST_LANDSCAPE) -->"))) { + in_img_list_landscape = FALSE; + continue; + } + if (in_img_list && (strstr (buffer, "<!-- $(BEGIN_IMG_LIST_PORTRAIT) -->"))) { + in_img_list_portrait = TRUE; + continue; + } + if (in_img_list && (strstr (buffer, "<!-- $(END_IMG_LIST_PORTRAIT) -->"))) { + in_img_list_portrait = FALSE; + continue; + } + if (in_img_list && (strstr (buffer, "<!-- $(BEGIN_LIST_SEPARATOR) -->"))) { + in_img_separator = TRUE; + continue; + } + if (in_img_list && (strstr (buffer, "<!-- $(END_LIST_SEPARATOR) -->"))) { + in_img_separator = FALSE; + continue; + } + if (in_img_list && in_img_list_landscape) { + buf_img_list_landscape = strncat (buf_img_list_landscape, buffer, BUFFER_SIZE - strlen (buf_img_list_landscape) - 2); + continue; + } + if (in_img_list && in_img_list_portrait) { + buf_img_list_portrait = strncat (buf_img_list_portrait, buffer, BUFFER_SIZE - strlen (buf_img_list_portrait) - 2); + continue; + } + if (in_img_list && in_img_separator) { + buf_img_separator = strncat (buf_img_separator, buffer, BUFFER_SIZE - strlen (buf_img_separator) - 2); + continue; + } + + if (strstr (buffer, "<!-- $(BEGIN_GO_UP) -->")) { + memset (buf_go_up_string, 0, BUFFER_SIZE); + in_go_up_string = TRUE; + continue; + } + if (in_go_up_string && strstr (buffer, "<!-- $(END_GO_UP) -->")) { + in_go_up_string = FALSE; + if (! items->parent_index) + continue; + } + if (in_go_up_string) { + buf_go_up_string = strncat (buf_go_up_string, buffer, BUFFER_SIZE - strlen (buf_go_up_string) - 2); + continue; + } + + /* Image list, nested placeholders */ + if (strstr (buffer, "<!-- $(BEGIN_IMG_LIST) -->")) { + memset (buf_img_list_landscape, 0, BUFFER_SIZE); + memset (buf_img_list_portrait, 0, BUFFER_SIZE); + memset (buf_img_separator, 0, BUFFER_SIZE); + in_img_list = TRUE; + in_img_list_landscape = FALSE; + in_img_list_portrait = FALSE; + in_img_separator = FALSE; + continue; + } + if (in_img_list && (strstr (buffer, "<!-- $(END_IMG_LIST) -->"))) { + in_img_list = FALSE; + in_img_list_landscape = FALSE; + in_img_list_portrait = FALSE; + + /* Now we have all block placeholders read, generate the items: */ + for (i = 0; i < items->items->len; i++) + { + item = g_ptr_array_index (items->items, i); + if (item == NULL) { + fprintf (stderr, "write_html_index: error getting item %d\n", i); + continue; + } + + /* Generate the images (preview, original, thumbnail) */ + local_replace_table = replace_table_new (); + img_w = 0; + img_h = 0; + s1 = NULL; + + switch (item->type) { + case INDEX_ITEM_TYPE_PICTURE: + img_src = NULL; + thumb = NULL; + generate_image (setup, items, item, i, dst, &img_w, &img_h, &img_src, &thumb); + /* Skip HTML code generation if it's a hidden item */ + if (! item->hidden) { + if (img_w == 0 || img_h == 0 || (img_w / img_h) >= 1) + s1 = strdup (buf_img_list_landscape); + else + s1 = strdup (buf_img_list_portrait); + + replace_table_add_key_printf (local_replace_table, "ALBUM_SUBPATH", "%s/index.html", item->path); + replace_table_add_key_printf (local_replace_table, "IMG_SUBPAGE", "%s.html", img_src); + replace_table_add_key (local_replace_table, "IMG_TITLE", item->title); + replace_table_add_key (local_replace_table, "IMG_DESCRIPTION", item->title_description); + replace_table_add_key_printf (local_replace_table, "IMG_LIST_ID", "i%d", i + 1); + replace_table_add_key_printf (local_replace_table, "IMG_THUMBNAIL", "%s/%s", THUMBNAIL_DIR, thumb); + replace_table_add_key (local_replace_table, "IMG_FILENAME", img_src); + if (items->type == GALLERY_TYPE_INDEX) { + s3 = g_strconcat (items->base_dir, "/", item->path, "/index.xml", NULL); + replace_table_add_key_int (local_replace_table, "ALBUM_NUM_ITEMS", get_album_objects_count (s3)); + g_free (s3); + } + } + if (img_src) + g_free (img_src); + if (thumb) + g_free (thumb); + break; + + case INDEX_ITEM_TYPE_SEPARATOR: + s1 = strdup (buf_img_separator); + replace_table_add_key (local_replace_table, "LIST_SEPARATOR_TITLE", item->title); + break; + } + + bb = TRUE; + if (s1) { + replace_table_process (&s1, local_replace_table); + bb = fputs (s1, fout); + free (s1); + } + replace_table_free (local_replace_table); + if (! bb) { + fprintf (stderr, "write_html_index: error writing to file \"%s\": %s\n", dst, strerror (errno)); + res = FALSE; + break; + } + } + continue; /* no need to write anything */ + } + + /* Select apropriate line buffer */ + if (strstr (buffer, "<!-- $(END_GO_UP) -->") && items->parent_index) { + b = strdup (buf_go_up_string); + } else + b = strdup (buffer); + + /* Replace all known tags */ + replace_table_process (&b, global_replace_table); + + /* Write to file */ + bb = fputs (b, fout); + free (b); + if (! bb) { + fprintf (stderr, "write_html_index: error writing to file \"%s\": %s\n", dst, strerror (errno)); + res = FALSE; + break; + } + } + + fclose (fout); + fclose (fin); + replace_table_free (global_replace_table); + free (buffer); + free (buf_img_list_landscape); + free (buf_img_list_portrait); + free (buf_img_separator); + free (buf_go_up_string); + return res; +} + + +/* + * write_html_image: process single image template file + * + * template_src = template file of the album/index + * original_img = source image file (original full-size) to get EXIF data from + * dst = save generated file as + * item = data for the current item + * parent_items = array of items in the album, to determine our position and make links to previous/next image + * + */ +gboolean +write_html_image (TGallerySetup *setup, + const char *template_src, + const char *original_img, + const char *dst, + TIndexItem *item, + TAlbum *parent_items) +{ + #define BUFFER_SIZE 65536 + FILE *fin; + FILE *fout; + char *buffer; + char *big_dst; + char *orig_dst; + char *buf_img_fullsize_link; + gboolean in_img_fullsize_link; + TExifData *exif; + unsigned long img_big_w, img_big_h, img_orig_w, img_orig_h; + unsigned int item_index, real_item_index, real_total_items; + TIndexItem *previous_item; + TIndexItem *next_item; + TIndexItem *tmp_item; + TAlbum *parent; + int i; + char *s1, *s2, *s3, *s4, *s5; + char *imgname, *preload_imgname; + char *title, *title_desc; + char *b; + gboolean res, bb; + int level, old_parent_item_index; + gboolean override_title_meta; + gboolean image_fullsize; + ReplaceTable *replace_table; + + + fin = fopen (template_src, "r"); + if (fin == NULL) { + fprintf (stderr, "write_html_image: error reading file \"%s\": %s\n", template_src, strerror (errno)); + return FALSE; + } + fout = fopen (dst, "w"); + if (fout == NULL) { + fprintf (stderr, "write_html_image: error writing to file \"%s\": %s\n", dst, strerror (errno)); + fclose (fin); + return FALSE; + } + + buffer = malloc (BUFFER_SIZE); + preload_imgname = NULL; + + replace_table = replace_table_new (); + + /* Get our index in the album */ + item_index = 0; + real_item_index = 0; + real_total_items = 0; + for (i = 0; i < parent_items->items->len; i++) { + tmp_item = g_ptr_array_index (parent_items->items, i); + if (tmp_item->type == INDEX_ITEM_TYPE_PICTURE) { + if (! item_index) real_item_index++; + real_total_items++; + } + if (tmp_item == item) + item_index = i + 1; + } + + /* Get previous and next items */ + previous_item = NULL; + next_item = NULL; + for (i = item_index - 2; i >= 0 && (previous_item == NULL || previous_item->type != INDEX_ITEM_TYPE_PICTURE); i--) + previous_item = g_ptr_array_index (parent_items->items, i); + if (previous_item && previous_item->type != INDEX_ITEM_TYPE_PICTURE) + previous_item = NULL; + for (i = item_index; item_index < parent_items->items->len && (next_item == NULL || next_item->type != INDEX_ITEM_TYPE_PICTURE); i++) + next_item = g_ptr_array_index (parent_items->items, i); + if (next_item && next_item->type != INDEX_ITEM_TYPE_PICTURE) + next_item = NULL; + + /* Paths setup */ + imgname = g_path_get_basename ((item->path == NULL && item->preview) ? item->preview : item->path); + if (next_item && setup->preload) { + s1 = g_path_get_basename ((next_item->path == NULL && next_item->preview) ? next_item->preview : next_item->path); + preload_imgname = g_strconcat (IMG_BIG_DIR, "/", s1, NULL); + g_free (s1); + } + s1 = g_path_get_dirname (dst); + big_dst = g_strconcat (s1, "/", IMG_BIG_DIR, "/", imgname, NULL); + orig_dst = g_strconcat (s1, "/", IMG_ORIG_DIR, "/", imgname, NULL); + g_free (s1); + buf_img_fullsize_link = malloc (BUFFER_SIZE); + memset (buf_img_fullsize_link, 0, BUFFER_SIZE); + in_img_fullsize_link = FALSE; + res = TRUE; + + /* Get EXIF data from the original image */ + if (get_exif (original_img, &exif)) + fprintf (stderr, "write_html_image: error getting exif data from file \"%s\"\n", orig_dst); + + /* Retrieve image sizes of preview and original image */ + get_image_sizes (big_dst, &img_big_w, &img_big_h); + image_fullsize = item->force_fullsize || (parent_items->fullsize && ! item->force_nofullsize) || + (! item->force_nofullsize && ! parent_items->nofullsize && ! setup->nofullsize); + if (image_fullsize) + get_image_sizes (orig_dst, &img_orig_w, &img_orig_h); + + /* Get title and description from IPTC/EXIF/JPEG if not defined */ + title = g_strdup (item->title); + title_desc = g_strdup (item->title_description); + if (setup->use_iptc_exif && title == NULL && title_desc == NULL) { + if (exif->iptc_caption) + title = g_strdup (exif->iptc_caption); + if (exif->jpeg_comment) { + if (! title) + title = g_strdup (exif->jpeg_comment); + else + title_desc = g_strdup (exif->jpeg_comment); + } + if (exif->exif_imgdesc) { + if (! title) + title = g_strdup (exif->exif_imgdesc); +/* if (! title_desc) -- disabled + title_desc = g_strdup (exif->exif_imgdesc); */ + } + if (exif->exif_usercomment) { + if (! title) + title = g_strdup (exif->exif_usercomment); + if (! title_desc) + title_desc = g_strdup (exif->exif_usercomment); + } + /* Convert line breaks to be visible in the HTML code */ + if (title) { + str_replace (&title, "\r\n", "<br />"); + str_replace (&title, "\n", "<br />"); + } + if (title_desc) { + str_replace (&title_desc, "\r\n", "<br />"); + str_replace (&title_desc, "\n", "<br />"); + } + } + if (title) title = g_strstrip (title); + if (title_desc) title_desc = g_strstrip (title_desc); + + /* Page title */ + s1 = (title && strlen (title) > 0) ? g_strdup_printf("%s | ", title) : NULL; + s2 = g_strdup_printf ("%s [%d/%d]", parent_items->title ? parent_items->title : parent_items->ID, real_item_index, real_total_items); + s3 = setup->site_title ? g_strdup_printf(" | %s", setup->site_title) : NULL; + s4 = g_strconcat (s1 ? s1 : "", s2, s3 ? s3 : "", NULL); + replace_table_add_key (replace_table, "PAGE_TITLE", s4); + if (s1) g_free (s1); + if (s2) g_free (s2); + if (s3) g_free (s3); + g_free (s4); + + /* Simple placeholders */ + replace_table_add_key (replace_table, "FILE_NAME", imgname); + replace_table_add_key (replace_table, "TITLE", title); + replace_table_add_key (replace_table, "DESCRIPTION", title_desc); + replace_table_add_key (replace_table, "FOOTER", setup->footer); + replace_table_add_key_int (replace_table, "TOTAL_ITEMS", real_total_items); + replace_table_add_key_int (replace_table, "FILE_NO", real_item_index); + replace_table_add_key_int (replace_table, "IMG_SIZE_BIG_W", img_big_w); + replace_table_add_key_int (replace_table, "IMG_SIZE_BIG_H", img_big_h); + replace_table_add_key_int (replace_table, "IMG_SIZE_ORIG_W", img_orig_w); + replace_table_add_key_int (replace_table, "IMG_SIZE_ORIG_H", img_orig_h); + replace_table_add_key_printf (replace_table, "IMG_SRC_BIG", "%s/%s", IMG_BIG_DIR, imgname); + replace_table_add_key_printf (replace_table, "IMG_SRC_FULL", "%s/%s", IMG_ORIG_DIR, imgname); + replace_table_add_key (replace_table, "IMG_SRC_PRELOAD", preload_imgname ? preload_imgname : ""); + + /* Navigation bar */ + s1 = g_strdup (imgname); + parent = parent_items; + level = 0; + while (parent) { + s3 = make_string ("../", level); + s4 = g_strdup (parent->ID); + s5 = setup->use_inpage_links ? g_strdup_printf ("#i%d", parent == parent_items ? item_index : old_parent_item_index) : g_strdup (""); + s2 = g_strdup_printf ("<a href=\"%sindex.html%s\">%s</a> > %s", s3, s5, s4, s1); + free (s3); + g_free (s1); + g_free (s4); + g_free (s5); + s1 = s2; + old_parent_item_index = parent->parent_item_index + 1; + parent = parent->parent_index; + level++; + } + replace_table_add_key (replace_table, "NAV_BAR", s1); + g_free (s1); + + /* EXIF values */ + replace_table_add_key (replace_table, "EXIF_ISO", exif->iso ? exif->iso : "??"); + replace_table_add_key (replace_table, "EXIF_TIME", exif->exposure ? exif->exposure : "??"); + replace_table_add_key (replace_table, "EXIF_APERTURE", exif->aperture ? exif->aperture : "??"); + replace_table_add_key (replace_table, "EXIF_FOCAL_LENGTH", exif->focal_length ? exif->focal_length : "??"); + replace_table_add_key (replace_table, "EXIF_FLASH", exif->flash ? exif->flash : "??"); + replace_table_add_key (replace_table, "EXIF_DATE", exif->datetime ? exif->datetime : "??"); + replace_table_add_key (replace_table, "EXIF_CAMERA_MODEL", exif->camera_model ? exif->camera_model : "??"); + s1 = g_strdup_printf ("(%s)", exif->focal_length_35mm); + replace_table_add_key (replace_table, "EXIF_FOCAL_35", exif->focal_length_35mm ? s1 : ""); + g_free (s1); + + /* Border style */ + s1 = item->border_style; + if (s1 == NULL) + s1 = parent_items->border_style; + if (s1 == NULL) + s1 = setup->border_style; + if (s1 == NULL) + s1 = "border_single"; + replace_table_add_key (replace_table, "IMG_BORDER_STYLE", s1); + + /* Next/Previous links */ + if (next_item) { + s2 = g_path_get_basename ((next_item->path == NULL && next_item->preview) ? next_item->preview : next_item->path); + replace_table_add_key_printf (replace_table, "LINK_NEXT", "%s.html", s2); + g_free (s2); + } + else + replace_table_add_key (replace_table, "LINK_NEXT", "index.html"); + if (previous_item) { + s2 = g_path_get_basename ((previous_item->path == NULL && previous_item->preview) ? previous_item->preview : previous_item->path); + replace_table_add_key_printf (replace_table, "LINK_PREV", "%s.html", s2); + g_free (s2); + } + else + replace_table_add_key (replace_table, "LINK_PREV", "index.html"); + + /* META tags */ + override_title_meta = setup->use_title_as_meta && title && (strlen (title) > 0); + s1 = g_strdup_printf ("\t<meta name=\"generator\" content=\"Cataract Gallery Generator v%s\" />\n", VERSION); + if (setup->meta_author || parent_items->meta_author) { + s3 = g_strdup (parent_items->meta_author ? parent_items->meta_author : setup->meta_author); + adjust_tags_parameter (&s3); + s2 = g_strdup_printf ("%s\t<meta name=\"author\" content=\"%s\" />\n", s1, s3); + g_free (s3); + g_free (s1); + s1 = s2; + } + if (setup->meta_description || parent_items->meta_description || override_title_meta) { + s3 = g_strdup (override_title_meta ? title : (parent_items->meta_description ? parent_items->meta_description : setup->meta_description)); + adjust_tags_parameter (&s3); + s2 = g_strdup_printf ("%s\t<meta name=\"description\" content=\"%s\" />\n", s1, s3); + g_free (s3); + g_free (s1); + s1 = s2; + } + if ((setup->meta_keywords || parent_items->meta_keywords) && (! override_title_meta)) { + s3 = g_strdup (parent_items->meta_keywords ? parent_items->meta_keywords : setup->meta_keywords); + adjust_tags_parameter (&s3); + s2 = g_strdup_printf ("%s\t<meta name=\"keywords\" content=\"%s\" />\n", s1, s3); + g_free (s3); + g_free (s1); + s1 = s2; + } + replace_table_add_key (replace_table, "CGG_META_TAGS", s1); + g_free (s1); + + + /* Read through the template and replace placeholders with real data */ + while (! feof (fin)) { + memset (buffer, 0, BUFFER_SIZE); + if (! fgets (buffer, BUFFER_SIZE, fin)) + break; + + /* Block placeholders */ + if (strstr (buffer, "<!-- $(BEGIN_IMG_FULLSIZE_LINK) -->")) { + in_img_fullsize_link = TRUE; + continue; + } + if (strstr (buffer, "<!-- $(END_IMG_FULLSIZE_LINK) -->")) { + in_img_fullsize_link = FALSE; + if (! image_fullsize) /* write down the block later in this cycle */ + continue; + } + if (in_img_fullsize_link) { + buf_img_fullsize_link = strncat (buf_img_fullsize_link, buffer, BUFFER_SIZE - strlen (buf_img_fullsize_link) - 2); + continue; + } + + /* Select apropriate line buffer */ + if (strstr (buffer, "<!-- $(END_IMG_FULLSIZE_LINK) -->") && image_fullsize) { + b = strdup (buf_img_fullsize_link); + } else + b = strdup (buffer); + + /* Replace all known tags */ + replace_table_process (&b, replace_table); + + /* Write to file */ + bb = fputs (b, fout); + free (b); + if (! bb) { + fprintf (stderr, "write_html_image: error writing to file \"%s\": %s\n", dst, strerror (errno)); + res = FALSE; + break; + } + } + + fclose (fout); + fclose (fin); + if (title) g_free (title); + if (title_desc) g_free (title_desc); + free (buffer); + free (big_dst); + free (orig_dst); + free (buf_img_fullsize_link); + g_free (imgname); + if (preload_imgname) + g_free (preload_imgname); + free_exif_data (exif); + replace_table_free (replace_table); + return res; +} + + +/* + * build_tree: generate complete gallery tree based on source xml files + * + * src_tree = source directory of the items + * dst_dir = destination of the generated items + * parent_index = parent album to determine our descent in the tree + * + */ +gboolean +build_tree (TGallerySetup *setup, + const char *src_tree, + const char *dst_dir, + TAlbum *parent_index, + int parent_item_index) +{ + char *idx_file; + TAlbum *items; + TIndexItem *item; + char *s1, *s2, *s3; + char *thumb_dir; + char *img_big_dir; + char *img_orig_dir; + char *template; + char *imgname; + gboolean res; + int i; + + printf ("*** Entering directory '%s'\n", src_tree); + #ifdef __DEBUG_ALL__ + printf ("setup->real_templates_dir = %s\n", setup->real_templates_dir); + #endif + + /* Check access permissions */ + if (access (src_tree, R_OK)) { + fprintf (stderr, "error accessing source directory: %s\n", strerror (errno)); + return FALSE; + } + if (access (dst_dir, R_OK | W_OK | X_OK)) { + if (mkdir (dst_dir, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) { + fprintf (stderr, "error creating destination directory: %s\n", strerror (errno)); + return FALSE; + } + } + + /* Check the index file */ + idx_file = g_strconcat (src_tree, "/index.xml", NULL); + if (access (idx_file, R_OK)) { + fprintf (stderr, "error accessing index file '%s': %s\n", idx_file, strerror (errno)); + g_free (idx_file); + return FALSE; + } + + /* Read the index file and fill items array */ + items = malloc (sizeof (TAlbum)); + memset (items, 0, sizeof (TAlbum)); + if (! parse_album_xml (idx_file, items)) { + fprintf (stderr, "error reading index file '%s'\n", idx_file); + g_free (idx_file); + free_album_data (items); + return FALSE; + } + g_free (idx_file); + items->parent_index = parent_index; + items->parent_item_index = parent_item_index; + + + /* Copy support files */ + if (setup->verbose) printf ("Writing '%s' ...", setup->styles); + s1 = g_strconcat (setup->real_templates_dir, "/", setup->styles, NULL); + s2 = g_strconcat (dst_dir, "/", setup->styles, NULL); + copy_file (s1, s2); + g_free (s1); + g_free (s2); + if (setup->verbose) printf (" done.\n"); + + if (setup->verbose) printf ("Writing '%s' ...", setup->scripts); + s1 = g_strconcat (setup->real_templates_dir, "/", setup->scripts, NULL); + s2 = g_strconcat (dst_dir, "/", setup->scripts, NULL); + copy_file (s1, s2); + g_free (s1); + g_free (s2); + if (setup->verbose) printf (" done.\n"); + + + /* Prepare target thumbnail directory */ + thumb_dir = g_strconcat (dst_dir, "/", THUMBNAIL_DIR, NULL); + if (access (thumb_dir, R_OK | W_OK | X_OK)) + if (mkdir (thumb_dir, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) { + fprintf (stderr, "error making target thumbnail directory: %s\n", strerror (errno)); + g_free (thumb_dir); + free_album_data (items); + return FALSE; + } + g_free (thumb_dir); + + /* Prepare target preview and orig directories */ + if (items->type == GALLERY_TYPE_ALBUM) + { + res = TRUE; + img_big_dir = g_strconcat (dst_dir, "/", IMG_BIG_DIR, NULL); + img_orig_dir = g_strconcat (dst_dir, "/", IMG_ORIG_DIR, NULL); + if (access (img_big_dir, R_OK | W_OK | X_OK)) + if (mkdir (img_big_dir, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) { + fprintf (stderr, "error making target preview directory: %s\n", strerror (errno)); + res = FALSE; + } + if (access (img_orig_dir, R_OK | W_OK | X_OK)) + if (mkdir (img_orig_dir, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) { + fprintf (stderr, "error making target full size directory: %s\n", strerror (errno)); + res = FALSE; + } + g_free (img_big_dir); + g_free (img_orig_dir); + if (! res) { + free_album_data (items); + return FALSE; + } + } + + + /* Start generating items */ + if (items->type == GALLERY_TYPE_INDEX) + template = g_strconcat ("/", setup->template_index, NULL); + else + if (items->type == GALLERY_TYPE_ALBUM) + template = g_strconcat ("/", setup->template_album, NULL); + + if (setup->verbose) printf ("Writing 'index.html' ...\n"); + s1 = g_strconcat (setup->real_templates_dir, template, NULL); + s2 = g_strconcat (dst_dir, "/index.html", NULL); + res = write_html_album (setup, s1, s2, items); + g_free (s1); + g_free (s2); + g_free (template); + if (! res) { + fprintf (stderr, "error generating target index file\n"); + free_album_data (items); + return FALSE; + } + if (setup->verbose) printf (" done.\n"); + + + /* Recurse to sub-albums (in case of album index) */ + if (items->type == GALLERY_TYPE_INDEX) + { + if (items->items->len > 0) { + for (i = 0; i < items->items->len; i++) { + item = g_ptr_array_index (items->items, i); + if (item == NULL) { + fprintf (stderr, "build_tree: error getting item %d\n", i); + continue; + } + if (item->type == INDEX_ITEM_TYPE_PICTURE) { + s1 = g_strconcat (src_tree, "/", item->path, "/", NULL); + s2 = g_strconcat (dst_dir, "/", item->path, "/", NULL); + build_tree (setup, s1, s2, items, i); + g_free (s1); + g_free (s2); + } + } + } + } + + /* Generate separate image pages (in case of album) */ + if (items->type == GALLERY_TYPE_ALBUM) + { + if (items->items->len > 0) { + for (i = 0; i < items->items->len; i++) { + item = g_ptr_array_index (items->items, i); + if (item == NULL) { + fprintf (stderr, "build_tree: error getting item %d\n", i); + continue; + } + if (item->type == INDEX_ITEM_TYPE_PICTURE) { + imgname = g_path_get_basename ((item->path == NULL && item->preview) ? item->preview : item->path); + if (setup->verbose) printf ("Writing '%s.html' ...", imgname); + s1 = g_strconcat (setup->real_templates_dir, "/", setup->template_photo, NULL); + s2 = g_strconcat (items->base_dir, "/", (item->path == NULL && item->preview) ? item->preview : item->path, NULL); + s3 = g_strconcat (dst_dir, "/", imgname, ".html", NULL); + res = write_html_image (setup, s1, s2, s3, item, items); + g_free (s1); + g_free (s2); + g_free (s3); + g_free (imgname); + if (! res ) continue; + if (setup->verbose) printf (" done.\n"); + } + } + } + } + + printf ("*** Leaving directory '%s'\n", src_tree); + free_album_data (items); + + return TRUE; +} |
