jpgraph_text.inc.php
10.7 KB
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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
<?php
//=======================================================================
// File: JPGRAPH_TEXT.INC.PHP
// Description: Class to handle text as object in the graph.
// The low level text layout engine is handled by the GD class
// Created: 2001-01-08 (Refactored to separate file 2008-08-01)
// Ver: $Id: jpgraph_text.inc.php 1844 2009-09-26 17:05:31Z ljp $
//
// Copyright (c) Asial Corporation. All rights reserved.
//========================================================================
//===================================================
// CLASS Text
// Description: Arbitrary text object that can be added to the graph
//===================================================
class Text {
public $t;
public $x=0,$y=0,$halign="left",$valign="top",$color=array(0,0,0);
public $hide=false, $dir=0;
public $iScalePosY=null,$iScalePosX=null;
public $iWordwrap=0;
public $font_family=FF_DEFAULT,$font_style=FS_NORMAL; // old. FF_FONT1
protected $boxed=false; // Should the text be boxed
protected $paragraph_align="left";
protected $icornerradius=0,$ishadowwidth=3;
protected $fcolor='white',$bcolor='black',$shadow=false;
protected $iCSIMarea='',$iCSIMalt='',$iCSIMtarget='',$iCSIMWinTarget='';
private $iBoxType = 1; // Which variant of filled box around text we want
// for __get, __set
private $_margin;
private $_font_size=8; // old. 12
//---------------
// CONSTRUCTOR
// Create new text at absolute pixel coordinates
function __construct($aTxt="",$aXAbsPos=0,$aYAbsPos=0) {
if( ! is_string($aTxt) ) {
JpGraphError::RaiseL(25050);//('First argument to Text::Text() must be s atring.');
}
$this->t = $aTxt;
$this->x = round($aXAbsPos);
$this->y = round($aYAbsPos);
$this->margin = 0;
}
//---------------
// PUBLIC METHODS
// Set the string in the text object
function Set($aTxt) {
$this->t = $aTxt;
}
// Alias for Pos()
function SetPos($aXAbsPos=0,$aYAbsPos=0,$aHAlign="left",$aVAlign="top") {
//$this->Pos($aXAbsPos,$aYAbsPos,$aHAlign,$aVAlign);
$this->x = $aXAbsPos;
$this->y = $aYAbsPos;
$this->halign = $aHAlign;
$this->valign = $aVAlign;
}
function SetScalePos($aX,$aY) {
$this->iScalePosX = $aX;
$this->iScalePosY = $aY;
}
// Specify alignment for the text
function Align($aHAlign,$aVAlign="top",$aParagraphAlign="") {
$this->halign = $aHAlign;
$this->valign = $aVAlign;
if( $aParagraphAlign != "" )
$this->paragraph_align = $aParagraphAlign;
}
// Alias
function SetAlign($aHAlign,$aVAlign="top",$aParagraphAlign="") {
$this->Align($aHAlign,$aVAlign,$aParagraphAlign);
}
// Specifies the alignment for a multi line text
function ParagraphAlign($aAlign) {
$this->paragraph_align = $aAlign;
}
// Specifies the alignment for a multi line text
function SetParagraphAlign($aAlign) {
$this->paragraph_align = $aAlign;
}
function SetShadow($aShadowColor='gray',$aShadowWidth=3) {
$this->ishadowwidth=$aShadowWidth;
$this->shadow=$aShadowColor;
$this->boxed=true;
}
function SetWordWrap($aCol) {
$this->iWordwrap = $aCol ;
}
// Specify that the text should be boxed. fcolor=frame color, bcolor=border color,
// $shadow=drop shadow should be added around the text.
function SetBox($aFrameColor=array(255,255,255),$aBorderColor=array(0,0,0),$aShadowColor=false,$aCornerRadius=4,$aShadowWidth=3) {
if( $aFrameColor === false ) {
$this->boxed=false;
}
else {
$this->boxed=true;
}
$this->fcolor=$aFrameColor;
$this->bcolor=$aBorderColor;
// For backwards compatibility when shadow was just true or false
if( $aShadowColor === true ) {
$aShadowColor = 'gray';
}
$this->shadow=$aShadowColor;
$this->icornerradius=$aCornerRadius;
$this->ishadowwidth=$aShadowWidth;
}
function SetBox2($aFrameColor=array(255,255,255),$aBorderColor=array(0,0,0),$aShadowColor=false,$aCornerRadius=4,$aShadowWidth=3) {
$this->iBoxType=2;
$this->SetBox($aFrameColor,$aBorderColor,$aShadowColor,$aCornerRadius,$aShadowWidth);
}
// Hide the text
function Hide($aHide=true) {
$this->hide=$aHide;
}
// This looks ugly since it's not a very orthogonal design
// but I added this "inverse" of Hide() to harmonize
// with some classes which I designed more recently (especially)
// jpgraph_gantt
function Show($aShow=true) {
$this->hide=!$aShow;
}
// Specify font
function SetFont($aFamily,$aStyle=FS_NORMAL,$aSize=10) {
$this->font_family=$aFamily;
$this->font_style=$aStyle;
$this->font_size=$aSize;
}
// Center the text between $left and $right coordinates
function Center($aLeft,$aRight,$aYAbsPos=false) {
$this->x = $aLeft + ($aRight-$aLeft )/2;
$this->halign = "center";
if( is_numeric($aYAbsPos) )
$this->y = $aYAbsPos;
}
// Set text color
function SetColor($aColor) {
$this->color = $aColor;
}
function SetAngle($aAngle) {
$this->SetOrientation($aAngle);
}
// Orientation of text. Note only TTF fonts can have an arbitrary angle
function SetOrientation($aDirection=0) {
if( is_numeric($aDirection) )
$this->dir=$aDirection;
elseif( $aDirection=="h" )
$this->dir = 0;
elseif( $aDirection=="v" )
$this->dir = 90;
else
JpGraphError::RaiseL(25051);//(" Invalid direction specified for text.");
}
// Total width of text
function GetWidth($aImg) {
$aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size);
$w = $aImg->GetTextWidth($this->t,$this->dir);
return $w;
}
// Hight of font
function GetFontHeight($aImg) {
$aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size);
$h = $aImg->GetFontHeight();
return $h;
}
function GetTextHeight($aImg) {
$aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size);
$h = $aImg->GetTextHeight($this->t,$this->dir);
return $h;
}
function GetHeight($aImg) {
// Synonym for GetTextHeight()
$aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size);
$h = $aImg->GetTextHeight($this->t,$this->dir);
return $h;
}
// Set the margin which will be interpretated differently depending
// on the context.
function SetMargin($aMarg) {
$this->margin = $aMarg;
}
function StrokeWithScale($aImg,$axscale,$ayscale) {
if( $this->iScalePosX === null || $this->iScalePosY === null ) {
$this->Stroke($aImg);
}
else {
$this->Stroke($aImg,
round($axscale->Translate($this->iScalePosX)),
round($ayscale->Translate($this->iScalePosY)));
}
}
function SetCSIMTarget($aURITarget,$aAlt='',$aWinTarget='') {
$this->iCSIMtarget = $aURITarget;
$this->iCSIMalt = $aAlt;
$this->iCSIMWinTarget = $aWinTarget;
}
function GetCSIMareas() {
if( $this->iCSIMtarget !== '' ) {
return $this->iCSIMarea;
}
else {
return '';
}
}
// Display text in image
function Stroke($aImg,$x=null,$y=null) {
if( $x !== null ) $this->x = round($x);
if( $y !== null ) $this->y = round($y);
// Insert newlines
if( $this->iWordwrap > 0 ) {
$this->t = wordwrap($this->t,$this->iWordwrap,"\n");
}
// If position been given as a fraction of the image size
// calculate the absolute position
if( $this->x < 1 && $this->x > 0 ) $this->x *= $aImg->width;
if( $this->y < 1 && $this->y > 0 ) $this->y *= $aImg->height;
$aImg->PushColor($this->color);
$aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size);
$aImg->SetTextAlign($this->halign,$this->valign);
if( $this->boxed ) {
if( $this->fcolor=="nofill" ) {
$this->fcolor=false;
}
$oldweight=$aImg->SetLineWeight(1);
if( $this->iBoxType == 2 && $this->font_family > FF_FONT2+2 ) {
$bbox = $aImg->StrokeBoxedText2($this->x, $this->y,
$this->t, $this->dir,
$this->fcolor,
$this->bcolor,
$this->shadow,
$this->paragraph_align,
2,4,
$this->icornerradius,
$this->ishadowwidth);
}
else {
$bbox = $aImg->StrokeBoxedText($this->x,$this->y,$this->t,
$this->dir,$this->fcolor,$this->bcolor,$this->shadow,
$this->paragraph_align,3,3,$this->icornerradius,
$this->ishadowwidth);
}
$aImg->SetLineWeight($oldweight);
}
else {
$debug=false;
$bbox = $aImg->StrokeText($this->x,$this->y,$this->t,$this->dir,$this->paragraph_align,$debug);
}
// Create CSIM targets
$coords = $bbox[0].','.$bbox[1].','.$bbox[2].','.$bbox[3].','.$bbox[4].','.$bbox[5].','.$bbox[6].','.$bbox[7];
$this->iCSIMarea = "<area shape=\"poly\" coords=\"$coords\" href=\"".htmlentities($this->iCSIMtarget)."\" ";
if( trim($this->iCSIMalt) != '' ) {
$this->iCSIMarea .= " alt=\"".$this->iCSIMalt."\" ";
$this->iCSIMarea .= " title=\"".$this->iCSIMalt."\" ";
}
if( trim($this->iCSIMWinTarget) != '' ) {
$this->iCSIMarea .= " target=\"".$this->iCSIMWinTarget."\" ";
}
$this->iCSIMarea .= " />\n";
$aImg->PopColor($this->color);
}
function __get($name) {
if (strpos($name, 'raw_') !== false) {
// if $name == 'raw_left_margin' , return $this->_left_margin;
$variable_name = '_' . str_replace('raw_', '', $name);
return $this->$variable_name;
}
$variable_name = '_' . $name;
if (isset($this->$variable_name)) {
return $this->$variable_name * SUPERSAMPLING_SCALE;
} else {
JpGraphError::RaiseL('25132', $name);
}
}
function __set($name, $value) {
$this->{'_'.$name} = $value;
}
} // Class
?>