aboutsummaryrefslogtreecommitdiff
path: root/www/inc/exif.inc.php
blob: 7b8262d311c498de082df2413e2070055f5262af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
<?php


function formatEXIF ($k,$v) {
	// format some special cases
	// dunno if EXIF support formats it so weirdly everywhere.
	// Sure does in my php4

	switch ($k) {
		case "FocalLength":
			$out = eval("return $v;"); 
			$out .= "mm";
			return $out;
			break;
		case "FNumber":
			$out = "f/";
			$out .= eval("return $v;");
			return $out;
			break;
		case "ExposureTime":
			// numerator = cistatel; jmenovatel = denominator :)
			$x = explode("/",$v,2);
			if ($x[0]>=100) {
				$out = eval("return ${x[0]}/${x[1]};");
				$out .= "s";
				return $out;
			} else {
				return "1/".(1.0/($x[0]/$x[1]))."s";
			}
			break;
		case "Flash";
			if ($v=="0") {
				return "No Flash";
			} else {
				return $v;
			}
			break;
		case "ISOSpeedRatings":
			return "ISO" . $v;
			break;
		case "GainControl";
			return "EV" . $v;
			break;
		case "FocalLengthIn35mmFilm":
			return $v . "mm";
			break;
		case "DateTime":
			//return date("M d Y H:i:s", $v);
			ereg("^([0-9]{4}):([0-9]{1,2}):([0-9]{1,2}) (.*)",$v,$x);
			return $x[1] . "/" . $x[2] . "/" . $x[3] . " " . $x[4];
			break;
		default:
			return $v;
	}
}


if ($exif_prog=="php4") {
   // php internal handling
	 // $file is LQ image
   $exif_array = exif_read_data("$file");
	 reset($exif_array);
	 if ($exif_show) reset($exif_show);

	 if ($exif_array["Make"]) { // only render all this 
		 													// if there is EXIF header
			// fancy table look
			echo "<div id=\"exif_table\" style=\"display: none;\">\n";
			echo "<table class=\"exif\" border=\"0\">\n";
			//co ukazat (podle exif_show)
			if ($exif_show) {
				 while (list($kx,$x) = each($exif_show)) {
					 while(list($k,$v)=each($exif_array)) {
					 if ($kx==$k) {
						 echo "<tr>";
						 echo "<td align=\"right\">";
						 echo $x;
						 echo ": </td>";
						 echo "<td><b>";
						 echo formatEXIF($k,$v);
						 echo "</b></td>";
						 echo "</tr>\n";
					 }
					 }
					 reset($exif_array);
				 }
			} else {
				 //ukaze vsechno v tabulce
				 while(list($k,$v)=each($exif_array)) {
						echo "<tr>";
						echo "<td align=\"right\">";
						echo $k;
						echo ": </td>";
						echo "<td><b>";
						echo formatEXIF($k,$v);
						echo "</b></td>";
						echo "</tr>\n";
				 }
			}
			echo "<tr>\n";
			echo "<td></td>";
			echo "<td><a href=\"javascript:toggle_div('exif_table');toggle_div('exif_line');\">" . __("Less info");
			echo "</a></td>";
			echo "</tr>\n";
			echo "</table>\n";
			echo "</div>\n";





			// selected EXIF header on one line
			echo "<div id=\"exif_line\">\n";
			echo "<p class=\"exif\">";
			reset($exif_array);
			if ($exif_show) reset($exif_show);
			if ($exif_show) {
				 while (list($kx,$x) = each($exif_show)) {
					 while(list($k,$v)=each($exif_array)) {
							 if ($kx==$k) {
									echo "<span title=\"$x\">";
									echo formatEXIF($k,$v);
									echo "</span> | ";
							 }
						}
				 reset($exif_array);
				 }
			} else {
				/* vsechny exif headers inline */
				 while(list($k,$v)=each($exif_array)) {
						echo "<span title=\"";
						echo $k;
						echo "\">";
						echo formatEXIF($k,$v);
						echo "</span> | ";
				 }
			}

			echo "<a href=\"javascript:toggle_div('exif_table');toggle_div('exif_line');\">" . __("More info");
			echo "</a></p>\n";
			echo "</div>\n";
 		}








	 
} else {
   // the old code, handles e.g. metacam and jhead as EXIF extractors
   // loading lq means it won't work if the convertor doesn't copy EXIF data
   // (newer ImageMagick can)
	 // PATCHES WELCOME
   exec("$exif_prog \"$gallery_dir/$galerie/lq/img-$snimek.jpg\"", $exif_data, $exif_status);
   if ($exif_status!="2") {
      if ($exif_style=="descriptive") {
         // fancy table look
         echo "<table border=\"0\" align=\"center\" class=\"exif\">\n";
         while ($x = current($exif_data)) {
            eregi("^ *([^:]*): *(.*)", $x, $y);
            //filter according to $exif_show array
            if (!$exif_show) { //all fields shown
                     echo "<tr>";
                     echo "<td align=\"right\">$y[1] :</td>";
                     echo "<td><b>$y[2]</b></td>";
                     echo "</tr>\n";
            } else {
               reset($exif_show);
               while ($z = current($exif_show)) {
                  //echo ".$z. ::: .$y[1].<br>";
		  if (trim($z) == trim($y[1])) {
                     echo "<tr>";
                     echo "<td align=\"right\">$y[1] :</td>";
                     echo "<td><b>$y[2]</b></td>";
                     echo "</tr>\n";
                  }
               next($exif_show);
               }
            }
            next($exif_data);
         }
         echo "<tr>\n";
         echo "<td></td>";
      # only show if EXIF header exists
      if ($y[1]!="File") { // don't show when no EXIF
            echo "<td><a href=\"$ThisScript?galerie=$galerie&photo=$snimek";
            echo "&exif_style=simple&show_thumbs=$show_thumbs\">";
            echo "<b>display in-line</b></a></td>\n";
      }
         echo "</tr>\n";
         echo "</table>\n";
      } else {
         //simple plaintext look
         echo "<p class=\"exif\" align=\"center\">";
         while ($x = current($exif_data)) {
            eregi("^ *([^:]*): *(.*)", $x, $y);
            if (!$exif_show) { //all fields shown
               echo "$y[2] |";
            } else {
               reset($exif_show);
               while ($z = current($exif_show)) {
		  if (trim($z) == trim($y[1])) {
                     echo "$y[2] | ";
                  }
                  next($exif_show);
               }
            }
            next($exif_data);
         }
         # only show if EXIF header exists
         if ($y[1]!="File") {
            echo "<a href=\"$ThisScript?galerie=$galerie&photo=$snimek";
            echo "&exif_style=descriptive&show_thumbs=$show_thumbs\">";
            echo "<b>display table</b></a>\n";
            echo "</p>\n";
         }
      }
   }
}
?>