|
@@ -1,415 +0,0 @@
|
1
|
|
-<?php
|
2
|
|
-class GphpChart
|
3
|
|
- {
|
4
|
|
- var $chart;
|
5
|
|
- var $chart_url;
|
6
|
|
- var $base_url = "http://chart.apis.google.com/chart?";
|
7
|
|
- var $width = 300;
|
8
|
|
- var $height = 200;
|
9
|
|
- var $types = array ("lc","lxy","bhs","bvs","bhg","bvg","p","p3","v","s");
|
10
|
|
- var $chart_types = array('l' => 'line','b' => 'bar','p'=> 'pie','v' => 'venn','s' => 'scatter');
|
11
|
|
- var $mandatory_parameters = array('chs','chd','cht');
|
12
|
|
- var $data_prepared = false;
|
13
|
|
- var $allowed_parameters = array(
|
14
|
|
- 'l' => array('chtt','chdl','chco','chf','chxt','chg','chm','chls','chxp'),
|
15
|
|
- 'b' => array('chtt','chbh','chdl','chco','chf','chxt','chxp'),
|
16
|
|
- 'p' => array('chtt','chco','chf','chl'),
|
17
|
|
- 'v' => array('chtt','chdl','chco','chf'),
|
18
|
|
- 's' => array('chtt','chdl','chco','chf','chxt','chg','chm','chxp'),
|
19
|
|
- );
|
20
|
|
- var $range = 1;
|
21
|
|
- var $encodings = array(
|
22
|
|
- 's' => array('sep' => '','set' => ',','range' => 61,'missing' => '_'),
|
23
|
|
- 't' => array('sep' => ',','set' => '|','range' => 100,'missing' => -1),
|
24
|
|
- 'e' => array('sep' => '','set' => ',','range' => 4096,'missing' => '__'),
|
25
|
|
- );
|
26
|
|
- var $simple_encoding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
|
27
|
|
- // min and max values of horizontal axis
|
28
|
|
- var $max_xt = 0;
|
29
|
|
- var $min_xt = 100000; // fake value to be sure we got the min data value
|
30
|
|
- // min and max values for vertical axis
|
31
|
|
- var $max_yr = 0;
|
32
|
|
- var $min_yr = 100000; // fake value to be sure we got the min data value
|
33
|
|
- var $ratio = false;
|
34
|
|
- var $cached = true;
|
35
|
|
- var $prepared = false;
|
36
|
|
-
|
37
|
|
- function GphpChart($type = 'lc',$encoding = 't')
|
38
|
|
- {
|
39
|
|
- $this->chart = (object) NULL;
|
40
|
|
- // $chart = new stdClass();
|
41
|
|
-
|
42
|
|
- if(!in_array($type,$this->types)) return false;
|
43
|
|
- else $this->chart->cht = $type;
|
44
|
|
- $this->chart_type = $this->chart_types[substr($this->chart->cht,0,1)];
|
45
|
|
-
|
46
|
|
- if(!in_array($encoding,array_keys($this->encodings))) return false;
|
47
|
|
- else $this->encoding = $encoding;
|
48
|
|
-
|
49
|
|
- $this->sep = $this->encodings[$this->encoding]['sep'];
|
50
|
|
- $this->range = $this->encodings[$this->encoding]['range'];
|
51
|
|
- $this->missing = $this->encodings[$this->encoding]['missing'];
|
52
|
|
- $this->set = $this->encodings[$this->encoding]['set']; // set separator
|
53
|
|
- if($this->chart_type == 'venn') $this->set = ',';
|
54
|
|
-
|
55
|
|
-
|
56
|
|
- $string = $this->simple_encoding;
|
57
|
|
- unset($this->simple_encoding);
|
58
|
|
- for($i = 0;$i< strlen($string);$i++) $this->simple_encoding[] = $string[$i];
|
59
|
|
-
|
60
|
|
- $this->extended_encoding = $this->simple_encoding;
|
61
|
|
- $this->extended_encoding[] = '-'; $this->extended_encoding[] = '.'; $this->extended_encoding[] = '_'; $this->extended_encoding[] = ',';
|
62
|
|
- }
|
63
|
|
-
|
64
|
|
-
|
65
|
|
-/* PRE GENERATION : add labels, data, axis, etc */
|
66
|
|
-
|
67
|
|
- function add_data($values,$color = '')
|
68
|
|
- {
|
69
|
|
- $this->cached = false;
|
70
|
|
- if($color != '' && strlen($color) == 6) $this->chart->chco[] = $color;
|
71
|
|
- $this->datas[] = $values;
|
72
|
|
-
|
73
|
|
- }
|
74
|
|
-
|
75
|
|
- function add_labels($axis,$values)
|
76
|
|
- {
|
77
|
|
- $this->cached = false;
|
78
|
|
- if($values_type = $values['values_type'])
|
79
|
|
- {
|
80
|
|
- if($values_type == 'discret')
|
81
|
|
- {
|
82
|
|
- $min = $values['min']; $max = $values['max'];
|
83
|
|
- unset($values);
|
84
|
|
- for($i = $min; $i<=$max;$i++) $values[] = $i;
|
85
|
|
- }
|
86
|
|
- }
|
87
|
|
-
|
88
|
|
- // reverse order for Bar Horizontal
|
89
|
|
- if($this->chart->cht == 'bhs' && is_string($values[0])) $values = array_combine(array_keys($values),array_reverse(array_values($values)));
|
90
|
|
- $this->labels[$axis][] = $values;
|
91
|
|
-
|
92
|
|
- if($axis == 'x' || $axis == 't')
|
93
|
|
- {
|
94
|
|
- $this->max_xt = max($this->max_xt,max($values));
|
95
|
|
- $this->min_xt = min($this->min_xt,min($values));
|
96
|
|
- }
|
97
|
|
-
|
98
|
|
- // min and max values for vertical axis are calculated in prepare_data()
|
99
|
|
- }
|
100
|
|
-
|
101
|
|
- function set_bar_width($width,$space = 0)
|
102
|
|
- {
|
103
|
|
- $this->cached = false;
|
104
|
|
- $this->chart->chbh = (int) $width;
|
105
|
|
- if($space != 0) $this->chart->chbh .= ','.$space;
|
106
|
|
- }
|
107
|
|
- function fill($area,$type,$params)
|
108
|
|
- {
|
109
|
|
- $this->cached = false;
|
110
|
|
- $this->chart->chf[] = "$area,$type,$params";
|
111
|
|
- }
|
112
|
|
- function add_legend($array)
|
113
|
|
- {
|
114
|
|
- $this->cached = false;
|
115
|
|
- if($this->chart_type == 'pie') $this->chart->chl = implode('|',$array);
|
116
|
|
- else $this->chart->chdl = implode('|',$array);
|
117
|
|
- }
|
118
|
|
- function add_style($string)
|
119
|
|
- {
|
120
|
|
- $this->cached = false;
|
121
|
|
- if($this->chart_type == 'line') $this->chart->chls[] = $string;
|
122
|
|
- }
|
123
|
|
- function add_grid($string)
|
124
|
|
- {
|
125
|
|
- $this->cached = false;
|
126
|
|
- if($this->chart_type == 'line' || $this->chart_type == 'scatter') $this->chart->chg[] = $string;
|
127
|
|
- }
|
128
|
|
- function add_marker($string)
|
129
|
|
- {
|
130
|
|
- $this->cached = false;
|
131
|
|
- if($this->chart_type == 'line' || $this->chart_type == 'scatter') $this->chart->chm[] = $string;
|
132
|
|
- }
|
133
|
|
-/* END PRE GENERATION FUNCTIONS */
|
134
|
|
-
|
135
|
|
-
|
136
|
|
-
|
137
|
|
-
|
138
|
|
-
|
139
|
|
-/* GENERATE FUNCTIONS : call prepare functions, prepare url, outputs url or full image string */
|
140
|
|
- function get_Image_URL()
|
141
|
|
- {
|
142
|
|
- if($this->cached)
|
143
|
|
- {
|
144
|
|
- if(!$this->filename) $this->generate_filename();
|
145
|
|
- return $this->filename;
|
146
|
|
- }
|
147
|
|
- else
|
148
|
|
- {
|
149
|
|
- if(!$this->prepared) $this->prepare();
|
150
|
|
- return $this->chart_url;
|
151
|
|
- }
|
152
|
|
- }
|
153
|
|
- function get_Image_String()
|
154
|
|
- {
|
155
|
|
- if($this->cached)
|
156
|
|
- {
|
157
|
|
- if(!$this->filename) $this->generate_filename();
|
158
|
|
- $string = '<img alt="'.$this->title.'" src="'.$this->filename.'" />';
|
159
|
|
- }
|
160
|
|
- else
|
161
|
|
- {
|
162
|
|
- if(!$this->prepared) $this->prepare();
|
163
|
|
- $string = '<img alt="'.$this->title.'" src="'.$this->chart_url.'" />';
|
164
|
|
- }
|
165
|
|
- return $string;
|
166
|
|
- }
|
167
|
|
-
|
168
|
|
- function prepare()
|
169
|
|
- {
|
170
|
|
- if(!$this->data_prepared) $this->prepare_data();
|
171
|
|
- $this->prepare_labels();
|
172
|
|
- $this->prepare_title();
|
173
|
|
- $this->prepare_styles();
|
174
|
|
- $this->prepare_url();
|
175
|
|
- $this->prepared = true;
|
176
|
|
- }
|
177
|
|
-/* END GENERATE FUNCTIONS */
|
178
|
|
-
|
179
|
|
-
|
180
|
|
- /* CACHE FUNCTIONS */
|
181
|
|
- function generate_filename()
|
182
|
|
- {
|
183
|
|
- $this->filename = urlencode($this->title).'.png';
|
184
|
|
- }
|
185
|
|
-
|
186
|
|
- function save_Image()
|
187
|
|
- {
|
188
|
|
- if(!$this->filename) $this->generate_filename();
|
189
|
|
- /* get image file */
|
190
|
|
- //$this->chart_url = htmlspecialchars($this->chart_url);
|
191
|
|
- //$this->chart_url = urlencode($this->chart_url);
|
192
|
|
-
|
193
|
|
- if( function_exists('file_get_contents') && $this->image_content = file_get_contents($this->chart_url) )
|
194
|
|
- $this->image_fetched = true;
|
195
|
|
-
|
196
|
|
- if(!$this->image_fetched)
|
197
|
|
- {
|
198
|
|
- if($fp = fopen($this->chart_url,'r'))
|
199
|
|
- {
|
200
|
|
- $this->image_content = fread($fp);
|
201
|
|
- fclose($fp);
|
202
|
|
- $this->image_fetched = true;
|
203
|
|
- }
|
204
|
|
- }
|
205
|
|
-
|
206
|
|
- /* write image to cache */
|
207
|
|
- if($this->image_fetched)
|
208
|
|
- {
|
209
|
|
- $fp = fopen($this->filename,'w+');
|
210
|
|
- if($fp)
|
211
|
|
- {
|
212
|
|
- fwrite($fp,$this->image_content);
|
213
|
|
- fclose($fp);
|
214
|
|
- }
|
215
|
|
- else { return false; }
|
216
|
|
- }
|
217
|
|
- else { return false; }
|
218
|
|
-
|
219
|
|
- return true;
|
220
|
|
- }
|
221
|
|
-
|
222
|
|
-
|
223
|
|
-/* PREPARE FUNCTIONS : called by generate functions, these ones parse labels and data */
|
224
|
|
- function prepare_url()
|
225
|
|
- {
|
226
|
|
- $this->chart_url = $this->base_url;
|
227
|
|
- /*
|
228
|
|
- foreach($this->mandatory_parameters as $param)
|
229
|
|
- {
|
230
|
|
- if(!isset($this->chart->$param)) return false;
|
231
|
|
- $params[] = $param.'='.$this->chart->$param;
|
232
|
|
- }
|
233
|
|
- */
|
234
|
|
- foreach($this->chart as $k => $v)
|
235
|
|
- {
|
236
|
|
- if($v != '') $params[] = "$k=$v";
|
237
|
|
- }
|
238
|
|
- $this->chart_url .= implode('&',$params);
|
239
|
|
- }
|
240
|
|
- function prepare_styles()
|
241
|
|
- {
|
242
|
|
-// SIZE
|
243
|
|
-
|
244
|
|
- if(($this->width * $this->height) > 300000)
|
245
|
|
- {
|
246
|
|
-
|
247
|
|
- // reduces dimensions to match API limits ( 300mpixels )
|
248
|
|
- $size = $this->width * $this->height;
|
249
|
|
- $this->width = round($this->width * (300000 / $size),0);
|
250
|
|
- $this->height = round($this->height * (300000 / $size),0);
|
251
|
|
- }
|
252
|
|
- $this->chart->chs = $this->width.'x'.$this->height;
|
253
|
|
-
|
254
|
|
-// colors
|
255
|
|
- if(isset($this->chart->chco) && is_array($this->chart->chco)) $this->chart->chco = implode(',',$this->chart->chco);
|
256
|
|
- if(isset($this->chart->chf) && is_array($this->chart->chf)) $this->chart->chf = implode('|',$this->chart->chf);
|
257
|
|
-
|
258
|
|
-// styles
|
259
|
|
- if($this->chart_type == 'scatter' || $this->chart_type == 'line')
|
260
|
|
- {
|
261
|
|
- if($this->chart_type == 'line') if(isset($this->chart->chls) && count($this->chart->chls)) $this->chart->chls = implode('|',$this->chart->chls);
|
262
|
|
- if(isset($this->chart->chg) && count($this->chart->chg)) $this->chart->chg = implode('|',$this->chart->chg);
|
263
|
|
-// markers
|
264
|
|
- if(isset($this->chart->chm) && count($this->chart->chm)) $this->chart->chm = implode('|',$this->chart->chm);
|
265
|
|
- }
|
266
|
|
-
|
267
|
|
-
|
268
|
|
-
|
269
|
|
- }
|
270
|
|
-
|
271
|
|
- function prepare_size()
|
272
|
|
- {
|
273
|
|
- }
|
274
|
|
-
|
275
|
|
- function prepare_data()
|
276
|
|
- {
|
277
|
|
- // for lines charts, calculate ratio
|
278
|
|
- if($this->chart_type == 'line' || $this->chart_type == 'bar' || $this->chart_type == 'scatter')
|
279
|
|
- {
|
280
|
|
- $this->max_yr = 0;
|
281
|
|
- foreach($this->datas as $n => $data)
|
282
|
|
- {
|
283
|
|
- if($this->chart_type == 'scatter' && $n == 2) continue; // ignore min max values for plots sizes
|
284
|
|
- $this->max_yr = max($this->max_yr,max($data));
|
285
|
|
- $this->min_yr = min($this->min_yr,min($data));
|
286
|
|
- }
|
287
|
|
- $this->ratio = 0.9 * $this->range / $this->max_yr;
|
288
|
|
- }
|
289
|
|
-
|
290
|
|
- foreach($this->datas as $n => $data)
|
291
|
|
- {
|
292
|
|
- if($this->chart_type == 'scatter' && $n == 2) $data = $this->encode_data($data,false); // do not normalize plots sizes
|
293
|
|
- else $data = $this->encode_data($data);
|
294
|
|
-
|
295
|
|
- if($this->chart->cht == 'lxy')
|
296
|
|
- {
|
297
|
|
- $this->datas[$n] = implode($this->sep,array_keys($data)).'|'.implode($this->sep,array_values($data));
|
298
|
|
- }
|
299
|
|
- else $this->datas[$n] = implode($this->sep,$data);
|
300
|
|
- }
|
301
|
|
-
|
302
|
|
- $this->chart->chd = "$this->encoding:";
|
303
|
|
- $this->chart->chd .= implode($this->set,$this->datas);
|
304
|
|
- $this->data_prepared = true;
|
305
|
|
- }
|
306
|
|
-
|
307
|
|
-
|
308
|
|
- function prepare_labels()
|
309
|
|
- {
|
310
|
|
- //chxt= axis titles
|
311
|
|
- //chxl= set:labels
|
312
|
|
- //chxr= range
|
313
|
|
- //chxp= positions
|
314
|
|
-
|
315
|
|
- $n = 0;
|
316
|
|
- if(count($this->labels))
|
317
|
|
- foreach($this->labels as $axis => $labelles)
|
318
|
|
- {
|
319
|
|
- foreach($labelles as $pos => $labels)
|
320
|
|
- {
|
321
|
|
- // axis type
|
322
|
|
- $this->chart->chxt[$n] = $axis;
|
323
|
|
- if(!count($labels)) continue; // no values = "neither positions nor labels. The Chart API therefore assumes a range of 0 to 100 and spaces the values evenly."
|
324
|
|
- // axis range
|
325
|
|
-
|
326
|
|
- if($this->chart_type == 'line' || $this->chart_type == 'bar')
|
327
|
|
- {
|
328
|
|
- if($axis == 'x' || $axis == 't')
|
329
|
|
- {
|
330
|
|
- if($this->max_xt) $this->chart->chxr[$n] = $n.','.$this->min_xt.','.$this->max_xt;
|
331
|
|
- }
|
332
|
|
- else
|
333
|
|
- {
|
334
|
|
- if($this->max_yr) $this->chart->chxr[$n] = $n.','.$this->min_yr.','.$this->max_yr;
|
335
|
|
- }
|
336
|
|
- }
|
337
|
|
-
|
338
|
|
- // axis labels
|
339
|
|
- $this->chart->chxl[$n] = "$n:|".implode('|',$labels);
|
340
|
|
- if($this->chart_type == 'line' || $this->chart_type == 'bar' || $this->chart_type == 'scatter')
|
341
|
|
- {
|
342
|
|
- if(array_slice(array_keys($labels),0,2) != array(0,1)) $this->chart->chxp[$n] = "$n,".implode(',',array_keys($labels));
|
343
|
|
- else $this->chart->chxp[$n] = "$n,".implode(',',array_values($labels));
|
344
|
|
- }
|
345
|
|
- $n++;
|
346
|
|
- }
|
347
|
|
- }
|
348
|
|
- if(count($this->chart->chxr)) $this->chart->chxr = implode('|',$this->chart->chxr);
|
349
|
|
- if(count($this->chart->chxp)) $this->chart->chxp = implode('|',$this->chart->chxp);
|
350
|
|
- if(count($this->chart->chxt)) $this->chart->chxt = implode(',',$this->chart->chxt);
|
351
|
|
- if(count($this->chart->chxl)) $this->chart->chxl = implode('|',$this->chart->chxl);
|
352
|
|
- }
|
353
|
|
- function prepare_title()
|
354
|
|
- {
|
355
|
|
- //chtt=first+line|second+line
|
356
|
|
- $this->chart->chtt = str_replace(array("\n","\n\r",'<br />','<br>'),'|',$this->title);
|
357
|
|
- $this->chart->chtt = str_replace(' ','+',$this->chart->chtt);
|
358
|
|
- }
|
359
|
|
-
|
360
|
|
-/* END PREPARE FUNCTIONS */
|
361
|
|
-
|
362
|
|
-/* ENCODING */
|
363
|
|
- function encode_data($data,$ratio = true)
|
364
|
|
- {
|
365
|
|
- if($this->encoding == 's')
|
366
|
|
- {
|
367
|
|
- foreach($data as $n => $value)
|
368
|
|
- {
|
369
|
|
- if(empty($value) || $value == '') $data[$n] = $this->missing;
|
370
|
|
- else $data[$n] = $this->simple_encoding[$value];
|
371
|
|
- }
|
372
|
|
- }
|
373
|
|
- elseif($this->encoding == 't')
|
374
|
|
- {
|
375
|
|
- foreach($data as $n => $value)
|
376
|
|
- {
|
377
|
|
-
|
378
|
|
- if(empty($value) || $value == '') $data[$n] = $this->missing;
|
379
|
|
- elseif($ratio && $this->ratio) $data[$n] = (float) round($value * $this->ratio,1);
|
380
|
|
- else $data[$n] = (float) $value;
|
381
|
|
- }
|
382
|
|
- }
|
383
|
|
- elseif($this->encoding == 'e')
|
384
|
|
- {
|
385
|
|
- $max = 0; $min = 100000;
|
386
|
|
- foreach($data as $n => $value)
|
387
|
|
- {
|
388
|
|
- if(empty($value) || $value == '') $data[$n] = $this->missing;
|
389
|
|
- else
|
390
|
|
- {
|
391
|
|
- // normalize
|
392
|
|
- if($ratio && $this->ratio) $value = round($value * $this->ratio,0);
|
393
|
|
- // encode
|
394
|
|
- $max = max($max,$value);
|
395
|
|
- $min = min($min,$value);
|
396
|
|
- $value = $this->extended_encode($value);
|
397
|
|
- $data[$n] = $value;
|
398
|
|
- }
|
399
|
|
- }
|
400
|
|
- }
|
401
|
|
- return $data;
|
402
|
|
- }
|
403
|
|
-
|
404
|
|
- function extended_encode($value)
|
405
|
|
- {
|
406
|
|
- $first = floor($value / 64);
|
407
|
|
- $second = $value - ($first * 64);
|
408
|
|
- $first = $this->extended_encoding[$first];
|
409
|
|
- $second = $this->extended_encoding[$second];
|
410
|
|
- return $first.$second;
|
411
|
|
- }
|
412
|
|
-
|
413
|
|
- }
|
414
|
|
-
|
415
|
|
-?>
|