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dashley |
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<?php |
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//------------------------------------------------------------------------------------------------- |
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dashley |
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//$Header$ |
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//------------------------------------------------------------------------------------------------- |
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dashley |
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//This source code and any program in which it is compiled/used is provided under the MIT |
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//LICENSE (full license text below). |
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dashley |
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//------------------------------------------------------------------------------------------------- |
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dashley |
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//Copyright (c) 2016 David T. Ashley |
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dashley |
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// |
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dashley |
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//Permission is hereby granted, free of charge, to any person obtaining a copy of this software and |
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//associated documentation files (the "Software"), to deal in the Software without restriction, |
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//including without limitation the rights to use, copy, modify, merge, publish, distribute, |
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//sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
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//furnished to do so, subject to the following conditions: |
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dashley |
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// |
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//The above copyright notice and this permission notice shall be included in all copies or |
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//substantial portions of the Software. |
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dashley |
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// |
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//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT |
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//NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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//NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
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//DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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dashley |
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//------------------------------------------------------------------------------------------------- |
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//-------------------------------------------------------------------------------- |
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//C O N F I G U R A T I O N |
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//-------------------------------------------------------------------------------- |
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//Configuration switch combinations were not tested. E-mail me any program |
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//corrections (dashley@gmail.com). |
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define ("CFG_PROGNAME", "indexfile_make.php"); |
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//Program name. |
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define ("CFG_CONSOLE_STD_LINE_LEN", 78); |
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//Number of characters per line preferred for console output. |
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define ("CFG_THUMBNAIL_FILENAME_SUFFIX", "_small"); |
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//String added just before the filename extension to choose thumbnail names |
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//based on name of full-sized image. |
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define ("CFG_INDEXFILE_NAME", "index2.php"); |
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//Name of the file containing the index. PHP code is assumed, but the |
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//file can be harvested for the HTML. |
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define ("CFG_INDEXFILE_PICREF_INDENT", 3); |
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//The number of spaces to indent each reference to a picture. |
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define ("CFG_FILEEXTENSIONS_PHOTO", "jpg/jpeg"); |
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//The file extensions that will be recognized as photos. |
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define ("CFG_FILEEXTENSIONS_LINK", "mov"); |
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//File extensions that will be linked to. All others will be mentioned |
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//in the generated output but not linked to. |
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//-------------------------------------------------------------------------------- |
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//Repeats a character to the console output a certain number of times. |
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function rep_char_con($c, $n) |
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{ |
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while ($n--) |
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echo $c; |
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} |
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//-------------------------------------------------------------------------------- |
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//Writes a standard thick horizontal line to the console. |
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function hor_line_thick() |
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{ |
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rep_char_con("=", CFG_CONSOLE_STD_LINE_LEN); |
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echo "\n"; |
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} |
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//-------------------------------------------------------------------------------- |
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//Writes a standard thin horizontal line to the console. |
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function hor_line_thin() |
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{ |
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rep_char_con("-", CFG_CONSOLE_STD_LINE_LEN); |
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echo "\n"; |
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} |
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//-------------------------------------------------------------------------------- |
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//Returns an array of all files in the working directory. |
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//If no files can be found, returns FALSE. |
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function get_file_names_in_dir() |
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{ |
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//Get directory list. |
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$rv = scandir ("."); |
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//If the list is empty, something went wrong. Return FALSE. |
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if ($rv === FALSE) |
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return FALSE; |
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return $rv; |
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} |
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//-------------------------------------------------------------------------------- |
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//Accepts a non-negative integer as an integer or a string. Adds commas in the |
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//right places to make it more human readable. |
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function int_nonneg_commanate($in_ui) |
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{ |
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//Ensure the integer is an integer from PHP's point of view. |
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$in_ui = (int)$in_ui; |
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//If a negative number was passed in, clip it. |
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if ($in_ui < 0) |
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$in_ui = 0; |
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//Make a proper numerical string with commas out of it. |
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$s_ui = number_format($in_ui); |
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return $s_ui; |
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} |
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//-------------------------------------------------------------------------------- |
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//Returns TRUE if a file name appears to be a valid full-sized image name, |
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//or FALSE otherwise. |
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function is_full_sized_image_file_name($in_filename) |
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{ |
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//Convert the string name to all lower case. This will do for |
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//comparisons and tests. |
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$s = strtolower($s); |
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//Attempt to split the name into a base and an extension. Any failure |
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//means it is an unsuitable name. |
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$extension_start = strrpos($in_filename, "."); |
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//Find position of last "." in string. This should precede the |
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//file extension. |
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if ($extension_start === FALSE) |
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{ |
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//Bad name. Unsuitable. |
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return FALSE; |
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} |
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//Calculate the base and extension. |
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$filename_base = substr($in_filename, 0, $extension_start); |
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$filename_extension = substr($in_filename, $extension_start + 1); |
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//If the extension is neither "jpg" nor "jpeg", it is unsuitable. |
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if (($filename_extension != "jpg") && ($filename_extension != "jpeg")) |
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return FALSE; |
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//If the filename base is empty, the filename is unsuitable. |
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if (strlen($filename_base) == 0) |
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return FALSE; |
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//If the last characters of the base are the CFG_THUMBNAIL_FILENAME_SUFFIX, |
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//the name is unsuitable. |
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if (strlen($filename_base) >= strlen(CFG_THUMBNAIL_FILENAME_SUFFIX)) |
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{ |
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if (substr($filename_base, strlen($filename_base) - strlen(CFG_THUMBNAIL_FILENAME_SUFFIX)) |
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== CFG_THUMBNAIL_FILENAME_SUFFIX) |
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return FALSE; |
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} |
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//Looks good. |
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return TRUE; |
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} |
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//-------------------------------------------------------------------------------- |
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//As a function of the file name, creates the file name for the thumbnail. |
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function file_name_to_thumbnail_name($in_filename) |
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{ |
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$extension_start = strrpos($in_filename, "."); |
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//Find position of last "." in string. This should precede the |
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//file extension. |
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if ($extension_start === FALSE) |
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{ |
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//"." not found. Should not happen. Filenames were checked in advance. |
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echo "Fatal internal error at line " . __LINE__ . "\n"; |
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exit(1); |
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} |
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$filename_prefix = substr($in_filename, 0, $extension_start); |
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$filename_extension = substr($in_filename, $extension_start); |
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$rv = $filename_prefix . CFG_THUMBNAIL_FILENAME_SUFFIX . $filename_extension; |
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return $rv; |
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} |
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//-------------------------------------------------------------------------------- |
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//Writes the index file preamble to the index file. This is very much |
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//dependent on how the thumbnails will be used. This is currently customized |
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//for what Dave Ashley does. |
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function write_index_file_preamble($handle, $idstring) |
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{ |
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fwrite($handle, "<" . "?" . "php\n"); |
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fwrite($handle, "require_once(\"style/std/stdwpstyle.inc\");\n"); |
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fwrite($handle, "?" . ">" . "\n"); |
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fwrite($handle, "<" . "?" . "php\n"); |
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fwrite($handle, " $" . "thispage = new StdWpStyle();\n"); |
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fwrite($handle, "\n"); |
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fwrite($handle, " $" . "thispage->static_page_header_title_std(\"" . $idstring . "\",\n"); |
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fwrite($handle, " \"" . $idstring . "\",\n"); |
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fwrite($handle, " \"\");\n"); |
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fwrite($handle, " $" . "thispage->static_page_photo_thumbnail_explanation(TRUE, TRUE);\n"); |
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fwrite($handle, "?" . ">" . "\n"); |
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for ($i = 0; $i < CFG_INDEX_PARAGRAPH_INDENT; $i++) |
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{ |
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fwrite($handle, " "); |
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} |
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fwrite($handle, "\n<p align=\"center\">\n"); |
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} |
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//-------------------------------------------------------------------------------- |
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//Writes the index file postamble to the index file. This is very much |
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//dependent on how the thumbnails will be used. This is currently customized |
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//for what Dave Ashley does. |
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function write_index_file_postamble($handle) |
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{ |
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for ($i = 0; $i < CFG_INDEX_PARAGRAPH_INDENT; $i++) |
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{ |
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fwrite($handle, " "); |
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} |
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fwrite($handle, "</p>\n\n"); |
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fwrite($handle, "<" . "?" . "php\n"); |
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fwrite($handle, " $" . "thispage->static_page_footer_std();\n"); |
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fwrite($handle, "?" . ">" . "\n"); |
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} |
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//-------------------------------------------------------------------------------- |
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//Writes a line to the index file corresponding to a linked larger picture |
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//reprsented by a thumbnail. |
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function write_index_line( $handle, |
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$filename, |
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$thumbnailname, |
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$filename_filesize, |
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$filename_xdim, |
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$filename_ydim, |
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$thumbnailname_filesize, |
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$thumbnailname_xdim, |
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$thumbnailname_ydim) |
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{ |
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//<a href="dscn1258.jpg"><img border="0" src="dscn1258_small.jpg" alt="dscn1258.jpg (4932338 bytes)" width="125" height="93"></a> |
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//Indent. |
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for ($i = 0; $i < CFG_INDEX_LINK_INDENT; $i++) |
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{ |
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fwrite($handle, " "); |
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} |
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fwrite($handle, "<a href=\""); |
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fwrite($handle, $filename); |
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fwrite($handle, "\"><img border=\"0\" src=\""); |
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fwrite($handle, $thumbnailname); |
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fwrite($handle, "\" alt=\""); |
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fwrite($handle, $filename); |
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fwrite($handle, " ("); |
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fwrite($handle, int_nonneg_commanate($filename_filesize)); |
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fwrite($handle, " bytes)\" "); |
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fwrite($handle, "title=\""); |
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fwrite($handle, $filename); |
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fwrite($handle, " ("); |
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fwrite($handle, int_nonneg_commanate($filename_filesize)); |
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fwrite($handle, " bytes)\" width=\""); |
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fwrite($handle, $thumbnailname_xdim); |
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fwrite($handle, "\" height=\""); |
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fwrite($handle, $thumbnailname_ydim); |
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fwrite($handle, "\"></a>"); |
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fwrite($handle, "\n"); |
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} |
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//-------------------------------------------------------------------------------- |
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//Write introductory message. |
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hor_line_thick(); |
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echo CFG_PROGNAME . " Copyright (C) 2015 David T. Ashley\n"; |
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echo "This program comes with ABSOLUTELY NO WARRANTY; and is licensed under\n"; |
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echo "the GNU General Public License, Version 3. A copy of this license is\n"; |
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echo "provided in the source code of this program.\n"; |
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hor_line_thin(); |
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//----------------------------------------------------------------------------- |
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//Get the date, time, and PID strings that will be used for the rest of the |
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//script. |
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$scr_datestring = date("Ymd_His"); |
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$scr_pid = getmypid(); |
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if ($scr_pid === FALSE) |
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$scr_pid = 0; |
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//----------------------------------------------------------------------------- |
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//If the index file exists, rename it out of the way. This is to prevent |
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//the loss of information. |
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if (file_exists(CFG_INDEXFILE_NAME)) |
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{ |
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rename(CFG_INDEXFILE_NAME, $scr_datestring . "_" . $scr_pid . ".php"); |
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} |
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//----------------------------------------------------------------------------- |
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//Open the index file and write the preamble. |
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$indexfile_handle = fopen(CFG_INDEXFILE_NAME, "w"); |
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if ($indexfile_handle === FALSE) |
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{ |
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echo "FATAL: unable to open index file.\n"; |
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exit(1); |
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} |
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write_index_file_preamble($indexfile_handle, $scr_datestring . "_" . $scr_pid); |
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//----------------------------------------------------------------------------- |
| 275 |
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//Get and emit the names of everything in the directory. |
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$file_list = get_file_names_in_dir(); |
| 277 |
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if ($file_list === FALSE) |
| 278 |
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{ |
| 279 |
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echo "List of files from PHP function scandir() is empty.\n"; |
| 280 |
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echo "Serious internal error, or nothing to do. Script cannot continue.\n"; |
| 281 |
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hor_line_thick(); |
| 282 |
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exit(1); |
| 283 |
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} |
| 284 |
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else |
| 285 |
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{ |
| 286 |
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echo "Files in working directory (unsorted, unfiltered, " |
| 287 |
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. |
| 288 |
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count($file_list) |
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. |
| 290 |
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" files):\n"; |
| 291 |
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for ($i = 0; $i < count($file_list); $i++) |
| 292 |
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echo " " . sprintf("[%5d]", $i) . " " . $file_list[$i] . "\n"; |
| 293 |
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} |
| 294 |
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hor_line_thin(); |
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//----------------------------------------------------------------------------- |
| 296 |
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//Remove the standard directory entries "." and ".." from the list, and |
| 297 |
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//remove any directories. |
| 298 |
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$temp_list = $file_list; |
| 299 |
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unset($file_list); |
| 300 |
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$n = 0; |
| 301 |
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for ($i = 0; $i < count($temp_list); $i++) |
| 302 |
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{ |
| 303 |
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//echo "Checking " . $temp_list[$i] . "\n"; |
| 304 |
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| 305 |
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if (strcmp($temp_list[$i], ".") == 0) |
| 306 |
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{ |
| 307 |
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//. entry, not a file. |
| 308 |
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} |
| 309 |
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else if (strcmp($temp_list[$i], "..") == 0) |
| 310 |
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{ |
| 311 |
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//.. entry, not a file. |
| 312 |
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} |
| 313 |
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else if (is_file($temp_list[$i])) |
| 314 |
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{ |
| 315 |
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//This is a regular file. |
| 316 |
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$file_list[] = $temp_list[$i]; |
| 317 |
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$n++; |
| 318 |
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} |
| 319 |
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} |
| 320 |
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| 321 |
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if ($n == 0) |
| 322 |
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$file_list = FALSE; |
| 323 |
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| 324 |
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unset($n); |
| 325 |
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unset($temp_list); |
| 326 |
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//----------------------------------------------------------------------------- |
| 327 |
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//If there is nothing to do, end the script. |
| 328 |
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if ($file_list === FALSE) |
| 329 |
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{ |
| 330 |
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echo "No files to process.\n"; |
| 331 |
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hor_line_thick(); |
| 332 |
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exit(0); |
| 333 |
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} |
| 334 |
|
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//----------------------------------------------------------------------------- |
| 335 |
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//Sort the list. This is a non-event. The only rationale for sorting is that |
| 336 |
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//it ensures that the same set of files will be processed in the same order, |
| 337 |
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//regardless of the order provided by the underlying OS internals. |
| 338 |
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sort($file_list); |
| 339 |
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//----------------------------------------------------------------------------- |
| 340 |
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//Emit the names we now have. |
| 341 |
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echo "Files in working directory (directory entries removed, sorted, " |
| 342 |
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. |
| 343 |
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count($file_list) |
| 344 |
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. |
| 345 |
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" files):\n"; |
| 346 |
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for ($i = 0; $i < count($file_list); $i++) |
| 347 |
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echo " " . sprintf("[%5d]", $i) . " " . $file_list[$i] . "\n"; |
| 348 |
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hor_line_thin(); |
| 349 |
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|
| 350 |
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//----------------------------------------------------------------------------- |
| 351 |
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//For each file in the list, process it. There are different processing |
| 352 |
|
|
//actions for each one. |
| 353 |
|
|
for ($i = 0; $i < count($file_list); $i++) |
| 354 |
|
|
{ |
| 355 |
|
|
if (is_full_sized_image_file_name($file_list[$i])) |
| 356 |
|
|
{ |
| 357 |
|
|
$thumbnail_name = file_name_to_thumbnail_name($file_list[$i]); |
| 358 |
|
|
|
| 359 |
|
|
$image_data = getimagesize($file_list[$i]); |
| 360 |
|
|
$thumbnail_data = getimagesize($thumbnail_name); |
| 361 |
|
|
|
| 362 |
|
|
write_index_line( $indexfile_handle, |
| 363 |
|
|
$file_list[$i], |
| 364 |
|
|
$thumbnail_name, |
| 365 |
|
|
filesize($file_list[$i]), |
| 366 |
|
|
$image_data[0], |
| 367 |
|
|
$image_data[1], |
| 368 |
|
|
filesize($thumbnail_name), |
| 369 |
|
|
$thumbnail_data[0], |
| 370 |
|
|
$thumbnail_data[1]); |
| 371 |
|
|
|
| 372 |
|
|
} |
| 373 |
|
|
} |
| 374 |
|
|
|
| 375 |
|
|
//----------------------------------------------------------------------------- |
| 376 |
|
|
//Complete and close up the index file. |
| 377 |
|
|
write_index_file_postamble($indexfile_handle); |
| 378 |
|
|
fclose($indexfile_handle); |
| 379 |
|
|
|
| 380 |
|
|
// $i = 0; |
| 381 |
|
|
// $completed = 0; |
| 382 |
|
|
// while (($completed < CFG_MAX_THUMBNAILS_PER_INVOCATION) && ($i < count($file_list))) |
| 383 |
|
|
// { |
| 384 |
|
|
// if (is_full_sized_image_file_name($file_list[$i])) |
| 385 |
|
|
// { |
| 386 |
|
|
// $thumbnail_name = file_name_to_thumbnail_name($file_list[$i]); |
| 387 |
|
|
// |
| 388 |
|
|
// if (file_exists($thumbnail_name)) |
| 389 |
|
|
// { |
| 390 |
|
|
// echo " " . sprintf("[%5d]", $i) . " " . $file_list[$i] . " : skipping because corresponding thumbnail exists.\n"; |
| 391 |
|
|
// hor_line_thin(); |
| 392 |
|
|
// } |
| 393 |
|
|
// else |
| 394 |
|
|
// { |
| 395 |
|
|
// echo " " . sprintf("[%5d]", $i) . " " . $file_list[$i] . " : creating thumbnail.\n"; |
| 396 |
|
|
// |
| 397 |
|
|
// echo "Creating thumbnail \"" . |
| 398 |
|
|
// $thumbnail_name . |
| 399 |
|
|
// "\" from image \"" . |
| 400 |
|
|
// $file_list[$i] . |
| 401 |
|
|
// "\".\n"; |
| 402 |
|
|
// |
| 403 |
|
|
// create_thumbnail($file_list[$i], |
| 404 |
|
|
// $thumbnail_name, |
| 405 |
|
|
// $filename_filesize, |
| 406 |
|
|
// $filename_xdim, |
| 407 |
|
|
// $filename_ydim, |
| 408 |
|
|
// $thumbnail_filesize, |
| 409 |
|
|
// $thumbnail_xdim, |
| 410 |
|
|
// $thumbnail_ydim); |
| 411 |
|
|
// |
| 412 |
|
|
// echo "Conversion complete.\n"; |
| 413 |
|
|
// echo " Full-sized image file size/xdim/ydim = " . |
| 414 |
|
|
// $filename_filesize . "/" . $filename_xdim . "/" . $filename_ydim . |
| 415 |
|
|
// ",\n"; |
| 416 |
|
|
// echo " Thumbnail image filesize/xdim/ydim = " . |
| 417 |
|
|
// $thumbnail_filesize . "/" . $thumbnail_xdim . "/" . $thumbnail_ydim . |
| 418 |
|
|
// ",\n"; |
| 419 |
|
|
// |
| 420 |
|
|
// hor_line_thin(); |
| 421 |
|
|
// $completed++; |
| 422 |
|
|
// } |
| 423 |
|
|
// } |
| 424 |
|
|
// else |
| 425 |
|
|
// { |
| 426 |
|
|
// //Unsuitable base name. Can't use it. |
| 427 |
|
|
// echo " " . sprintf("[%5d]", $i) . " " . $file_list[$i] . " : skipping due to unsuitable name.\n"; |
| 428 |
|
|
// hor_line_thin(); |
| 429 |
|
|
// } |
| 430 |
|
|
// |
| 431 |
|
|
// $i++; |
| 432 |
|
|
// } |
| 433 |
|
|
// |
| 434 |
|
|
// //Emit a message about whether the program should be run again. I am aware of |
| 435 |
|
|
// //the uncovered case--where the last thumbnail was made on the last iteration |
| 436 |
|
|
// //of this invocation--but I will leave it uncovered for now. All that happens |
| 437 |
|
|
// //is the user runs the program unnecessarily one more time. |
| 438 |
|
|
// if ($completed == 0) |
| 439 |
|
|
// { |
| 440 |
|
|
// echo "No thumbnails were created--this program is done creating thumbnails.\n"; |
| 441 |
|
|
// echo "It is not necessary to run this program again.\n"; |
| 442 |
|
|
// hor_line_thin(); |
| 443 |
|
|
// } |
| 444 |
|
|
// else |
| 445 |
|
|
// { |
| 446 |
|
|
// echo $completed . " thumbnail(s) were created. Please run this program repeatedly again\n"; |
| 447 |
|
|
// echo "until no more thumbnails are created.\n"; |
| 448 |
|
|
// hor_line_thin(); |
| 449 |
|
|
// } |
| 450 |
|
|
//-------------------------------------------------------------------------------- |
| 451 |
|
|
echo CFG_PROGNAME . " execution ends.\n"; |
| 452 |
|
|
hor_line_thick(); |
| 453 |
|
|
//-------------------------------------------------------------------------------- |
| 454 |
|
|
//End of File |
| 455 |
|
|
//-------------------------------------------------------------------------------- |
| 456 |
|
|
?> |
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