/[dtapublic]/projs/dtats/trunk/projs/20161008_web_page_thumbnail_make/pics_indexfile_make.php
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revision 117 by dashley, Sat Dec 31 19:45:55 2016 UTC revision 118 by dashley, Sun Jan 1 04:06:35 2017 UTC
# Line 5  Line 5 
5  //This source code and any program in which it is compiled/used is provided under the MIT  //This source code and any program in which it is compiled/used is provided under the MIT
6  //LICENSE (full license text below).  //LICENSE (full license text below).
7  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
8  //Copyright (c) 2016 David T. Ashley  //pics_indexfile_make.php, Copyright (c) 2016 David T. Ashley
9  //  //
10  //Permission is hereby granted, free of charge, to any person obtaining a copy of this software and  //Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
11  //associated documentation files (the "Software"), to deal in the Software without restriction,  //associated documentation files (the "Software"), to deal in the Software without restriction,
# Line 22  Line 22 
22  //DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  //DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23  //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
25    //This program, a PHP script, creates an index file ("index2.php") based on the contents of the
26    //working directory in which it is invoked.  The index file created is tailored to Dave Ashley's
27    //needs, but it can easily be hand-edited or this script can be modified.  This program is part
28    //of a 3-program suite designed to collectively create a web page directly from digital camera
29    //files (and of course the web page can be customized by hand-editing after it is automatically
30    //generated).
31    //
32    //The 3 programs in the 3-program suite are:
33    //
34    //   pics_filenames_canonize.php:
35    //      Converts all names of files in a directory to lower-case, and makes substitutions for any
36    //      unusual characters.
37    //
38    //   pics_thumbnails_make.php:
39    //      Creates thumbnails from recognized image types.  The thumbnails are named relative to the
40    //      original image file with the suffix "_small".  To support shared hosting environments where
41    //      CPU utilization of a script may be capped, there is a configuration constant in the script
42    //      that will perform only a fixed number of conversions per invocation.  If this configuration
43    //      option is used, the script should be run repeatedly until it indicates that it has no more
44    //      thumbnails to create.
45    //
46    //      If any full-sized photos are modified, any corresponding thumbnails should be deleted and
47    //      pics_thumbnails_make.php and pics_indexfile_make.php should be run again.
48    //
49    //   pics_indexfile_make.php (this script):
50    //      Scans a directory and makes an index file ("index2.php") displaying all the thumbnail
51    //      images, each of which link to the corresponding full-sized image.  The index file is
52    //      tailored to Dave Ashley's needs, but the created file can be edited and most of the
53    //      content pasted into an HTML file.  To avoid the accidental loss of information, any
54    //      existing "index2.php" file is renamed out of the way.
55    //
56    //This script is designed to be run manually (rather than automatically invoked as a result of a
57    //web page request).
58  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
59  //C O N F I G U R A T I O N  //C O N F I G U R A T I O N
60  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
61  //Configuration switch combinations were not tested.  E-mail me any program  //Configuration switch combinations were not tested.  E-mail me any program
62  //corrections (dashley@gmail.com).  //corrections (dashley@gmail.com).
63  define ("CFG_PROGNAME", "indexfile_make.php");  define ("CFG_PROGNAME", "pics_indexfile_make.php");
64     //Program name.     //Program name.
65  define ("CFG_CONSOLE_STD_LINE_LEN", 78);  define ("CFG_CONSOLE_STD_LINE_LEN", 78);
66     //Number of characters per line preferred for console output.     //Number of characters per line preferred for console output.
# Line 37  define ("CFG_THUMBNAIL_FILENAME_SUFFIX", Line 70  define ("CFG_THUMBNAIL_FILENAME_SUFFIX",
70  define ("CFG_INDEXFILE_NAME", "index2.php");  define ("CFG_INDEXFILE_NAME", "index2.php");
71     //Name of the file containing the index.  PHP code is assumed, but the     //Name of the file containing the index.  PHP code is assumed, but the
72     //file can be harvested for the HTML.     //file can be harvested for the HTML.
73    define ("CFG_INDEX_LINK_INDENT", 3);
74       //The number of spaces to indent each link.
75    define ("CFG_INDEX_PARAGRAPH_INDENT", 3);
76       //The number of spaces to indent each paragraph.
77  define ("CFG_INDEXFILE_PICREF_INDENT", 3);  define ("CFG_INDEXFILE_PICREF_INDENT", 3);
78     //The number of spaces to indent each reference to a picture.     //The number of spaces to indent each reference to a picture.
79  define ("CFG_FILEEXTENSIONS_PHOTO", "jpg/jpeg");  define ("CFG_FILEEXTENSIONS_PHOTO", "jpg/jpeg/png/gif");
80     //The file extensions that will be recognized as photos.     //The file extensions that will be recognized as photos.
81  define ("CFG_FILEEXTENSIONS_LINK", "mov");  define ("CFG_FILEEXTENSIONS_LINK", "mov");
82     //File extensions that will be linked to.  All others will be mentioned     //File extensions that will be linked to.  All others will be mentioned
# Line 103  function is_full_sized_image_file_name($ Line 140  function is_full_sized_image_file_name($
140  {  {
141     //Convert the string name to all lower case.  This will do for     //Convert the string name to all lower case.  This will do for
142     //comparisons and tests.     //comparisons and tests.
143     $s = strtolower($s);     $in_filename = strtolower($in_filename);
144    
145     //Attempt to split the name into a base and an extension.  Any failure     //Attempt to split the name into a base and an extension.  Any failure
146     //means it is an unsuitable name.     //means it is an unsuitable name.
# Line 213  function write_index_line(  $handle, Line 250  function write_index_line(  $handle,
250                              $thumbnailname_xdim,                              $thumbnailname_xdim,
251                              $thumbnailname_ydim)                              $thumbnailname_ydim)
252  {  {
253  //<a href="dscn1258.jpg"><img border="0" src="dscn1258_small.jpg" alt="dscn1258.jpg (4932338 bytes)" width="125" height="93"></a>     //<a href="dscn1258.jpg"><img border="0" src="dscn1258_small.jpg" alt="dscn1258.jpg (4932338 bytes)" width="125" height="93"></a>
254     //Indent.     //Indent.
255     for ($i = 0; $i < CFG_INDEX_LINK_INDENT; $i++)     for ($i = 0; $i < CFG_INDEX_LINK_INDENT; $i++)
256     {     {
# Line 243  function write_index_line(  $handle, Line 280  function write_index_line(  $handle,
280  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
281     //Write introductory message.     //Write introductory message.
282     hor_line_thick();     hor_line_thick();
283     echo CFG_PROGNAME . " Copyright (C) 2015 David T. Ashley\n";     echo CFG_PROGNAME . ", Copyright (c) 2016 David T. Ashley\n";
284     echo "This program comes with ABSOLUTELY NO WARRANTY; and is licensed under\n";     echo "This program comes with ABSOLUTELY NO WARRANTY; and is licensed under the\n";
285     echo "the GNU General Public License, Version 3.  A copy of this license is\n";     echo "MIT License.  A copy of this license is provided in the source code\n";
286     echo "provided in the source code of this program.\n";     echo "of this program.\n";
287     hor_line_thin();     hor_line_thin();
288     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
289     //Get the date, time, and PID strings that will be used for the rest of the     //Get the date, time, and PID strings that will be used for the rest of the
# Line 376  function write_index_line(  $handle, Line 413  function write_index_line(  $handle,
413     //Complete and close up the index file.     //Complete and close up the index file.
414     write_index_file_postamble($indexfile_handle);     write_index_file_postamble($indexfile_handle);
415     fclose($indexfile_handle);     fclose($indexfile_handle);
   
 //   $i         = 0;  
 //   $completed = 0;  
 //   while (($completed < CFG_MAX_THUMBNAILS_PER_INVOCATION) && ($i < count($file_list)))  
 //   {  
 //      if (is_full_sized_image_file_name($file_list[$i]))  
 //      {  
 //         $thumbnail_name = file_name_to_thumbnail_name($file_list[$i]);  
 //  
 //         if (file_exists($thumbnail_name))  
 //         {  
 //            echo "   " . sprintf("[%5d]", $i) . " " . $file_list[$i] . " : skipping because corresponding thumbnail exists.\n";  
 //            hor_line_thin();  
 //         }  
 //         else  
 //         {  
 //            echo "   " . sprintf("[%5d]", $i) . " " . $file_list[$i] . " : creating thumbnail.\n";  
 //  
 //            echo "Creating thumbnail \"" .  
 //                 $thumbnail_name .  
 //                 "\" from image \"" .  
 //                 $file_list[$i] .  
 //                 "\".\n";  
 //  
 //            create_thumbnail($file_list[$i],  
 //                             $thumbnail_name,  
 //                             $filename_filesize,  
 //                             $filename_xdim,  
 //                             $filename_ydim,  
 //                             $thumbnail_filesize,  
 //                             $thumbnail_xdim,  
 //                             $thumbnail_ydim);  
 //  
 //            echo "Conversion complete.\n";  
 //            echo "   Full-sized image file size/xdim/ydim = " .  
 //                 $filename_filesize . "/" . $filename_xdim . "/" . $filename_ydim .  
 //                 ",\n";  
 //            echo "   Thumbnail image  filesize/xdim/ydim = " .  
 //                 $thumbnail_filesize . "/" . $thumbnail_xdim . "/" . $thumbnail_ydim .  
 //                 ",\n";  
 //  
 //            hor_line_thin();  
 //            $completed++;  
 //         }  
 //      }  
 //      else  
 //      {  
 //         //Unsuitable base name.  Can't use it.  
 //         echo "   " . sprintf("[%5d]", $i) . " " . $file_list[$i] . " : skipping due to unsuitable name.\n";  
 //         hor_line_thin();  
 //      }  
 //  
 //      $i++;  
 //   }  
 //  
 //   //Emit a message about whether the program should be run again.  I am aware of  
 //   //the uncovered case--where the last thumbnail was made on the last iteration  
 //   //of this invocation--but I will leave it uncovered for now.  All that happens  
 //   //is the user runs the program unnecessarily one more time.  
 //   if ($completed == 0)  
 //   {  
 //      echo "No thumbnails were created--this program is done creating thumbnails.\n";  
 //      echo "It is not necessary to run this program again.\n";  
 //      hor_line_thin();  
 //   }  
 //   else  
 //   {  
 //      echo $completed . " thumbnail(s) were created.  Please run this program repeatedly again\n";  
 //      echo "until no more thumbnails are created.\n";  
 //      hor_line_thin();  
 //   }  
416  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
417     echo CFG_PROGNAME . " execution ends.\n";     echo CFG_PROGNAME . " execution ends.\n";
418     hor_line_thick();     hor_line_thick();
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