[42] | 1 | <?php |
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| 2 | //======================================================================= |
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| 3 | // File: JPGRAPH_TEXT.INC.PHP |
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| 4 | // Description: Class to handle text as object in the graph. |
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| 5 | // The low level text layout engine is handled by the GD class |
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| 6 | // Created: 2001-01-08 (Refactored to separate file 2008-08-01) |
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| 7 | // Ver: $Id: jpgraph_text.inc.php 1844 2009-09-26 17:05:31Z ljp $ |
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| 8 | // |
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| 9 | // Copyright (c) Asial Corporation. All rights reserved. |
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| 10 | //======================================================================== |
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| 11 | |
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| 12 | |
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| 13 | //=================================================== |
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| 14 | // CLASS Text |
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| 15 | // Description: Arbitrary text object that can be added to the graph |
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| 16 | //=================================================== |
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| 17 | class Text { |
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| 18 | public $t; |
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| 19 | public $x=0,$y=0,$halign="left",$valign="top",$color=array(0,0,0); |
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| 20 | public $hide=false, $dir=0; |
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| 21 | public $iScalePosY=null,$iScalePosX=null; |
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| 22 | public $iWordwrap=0; |
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| 23 | public $font_family=FF_DEFAULT,$font_style=FS_NORMAL; // old. FF_FONT1 |
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| 24 | protected $boxed=false; // Should the text be boxed |
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| 25 | protected $paragraph_align="left"; |
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| 26 | protected $icornerradius=0,$ishadowwidth=3; |
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| 27 | protected $fcolor='white',$bcolor='black',$shadow=false; |
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| 28 | protected $iCSIMarea='',$iCSIMalt='',$iCSIMtarget='',$iCSIMWinTarget=''; |
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| 29 | private $iBoxType = 1; // Which variant of filled box around text we want |
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| 30 | |
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| 31 | // for __get, __set |
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| 32 | private $_margin; |
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| 33 | private $_font_size=8; // old. 12 |
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| 34 | |
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| 35 | //--------------- |
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| 36 | // CONSTRUCTOR |
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| 37 | |
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| 38 | // Create new text at absolute pixel coordinates |
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| 39 | function __construct($aTxt="",$aXAbsPos=0,$aYAbsPos=0) { |
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| 40 | if( ! is_string($aTxt) ) { |
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| 41 | JpGraphError::RaiseL(25050);//('First argument to Text::Text() must be s atring.'); |
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| 42 | } |
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| 43 | $this->t = $aTxt; |
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| 44 | $this->x = round($aXAbsPos); |
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| 45 | $this->y = round($aYAbsPos); |
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| 46 | $this->margin = 0; |
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| 47 | } |
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| 48 | //--------------- |
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| 49 | // PUBLIC METHODS |
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| 50 | // Set the string in the text object |
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| 51 | function Set($aTxt) { |
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| 52 | $this->t = $aTxt; |
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| 53 | } |
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| 54 | |
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| 55 | // Alias for Pos() |
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| 56 | function SetPos($aXAbsPos=0,$aYAbsPos=0,$aHAlign="left",$aVAlign="top") { |
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| 57 | //$this->Pos($aXAbsPos,$aYAbsPos,$aHAlign,$aVAlign); |
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| 58 | $this->x = $aXAbsPos; |
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| 59 | $this->y = $aYAbsPos; |
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| 60 | $this->halign = $aHAlign; |
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| 61 | $this->valign = $aVAlign; |
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| 62 | } |
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| 63 | |
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| 64 | function SetScalePos($aX,$aY) { |
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| 65 | $this->iScalePosX = $aX; |
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| 66 | $this->iScalePosY = $aY; |
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| 67 | } |
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| 68 | |
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| 69 | // Specify alignment for the text |
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| 70 | function Align($aHAlign,$aVAlign="top",$aParagraphAlign="") { |
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| 71 | $this->halign = $aHAlign; |
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| 72 | $this->valign = $aVAlign; |
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| 73 | if( $aParagraphAlign != "" ) |
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| 74 | $this->paragraph_align = $aParagraphAlign; |
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| 75 | } |
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| 76 | |
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| 77 | // Alias |
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| 78 | function SetAlign($aHAlign,$aVAlign="top",$aParagraphAlign="") { |
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| 79 | $this->Align($aHAlign,$aVAlign,$aParagraphAlign); |
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| 80 | } |
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| 81 | |
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| 82 | // Specifies the alignment for a multi line text |
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| 83 | function ParagraphAlign($aAlign) { |
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| 84 | $this->paragraph_align = $aAlign; |
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| 85 | } |
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| 86 | |
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| 87 | // Specifies the alignment for a multi line text |
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| 88 | function SetParagraphAlign($aAlign) { |
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| 89 | $this->paragraph_align = $aAlign; |
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| 90 | } |
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| 91 | |
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| 92 | function SetShadow($aShadowColor='gray',$aShadowWidth=3) { |
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| 93 | $this->ishadowwidth=$aShadowWidth; |
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| 94 | $this->shadow=$aShadowColor; |
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| 95 | $this->boxed=true; |
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| 96 | } |
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| 97 | |
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| 98 | function SetWordWrap($aCol) { |
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| 99 | $this->iWordwrap = $aCol ; |
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| 100 | } |
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| 101 | |
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| 102 | // Specify that the text should be boxed. fcolor=frame color, bcolor=border color, |
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| 103 | // $shadow=drop shadow should be added around the text. |
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| 104 | function SetBox($aFrameColor=array(255,255,255),$aBorderColor=array(0,0,0),$aShadowColor=false,$aCornerRadius=4,$aShadowWidth=3) { |
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| 105 | if( $aFrameColor === false ) { |
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| 106 | $this->boxed=false; |
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| 107 | } |
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| 108 | else { |
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| 109 | $this->boxed=true; |
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| 110 | } |
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| 111 | $this->fcolor=$aFrameColor; |
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| 112 | $this->bcolor=$aBorderColor; |
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| 113 | // For backwards compatibility when shadow was just true or false |
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| 114 | if( $aShadowColor === true ) { |
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| 115 | $aShadowColor = 'gray'; |
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| 116 | } |
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| 117 | $this->shadow=$aShadowColor; |
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| 118 | $this->icornerradius=$aCornerRadius; |
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| 119 | $this->ishadowwidth=$aShadowWidth; |
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| 120 | } |
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| 121 | |
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| 122 | function SetBox2($aFrameColor=array(255,255,255),$aBorderColor=array(0,0,0),$aShadowColor=false,$aCornerRadius=4,$aShadowWidth=3) { |
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| 123 | $this->iBoxType=2; |
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| 124 | $this->SetBox($aFrameColor,$aBorderColor,$aShadowColor,$aCornerRadius,$aShadowWidth); |
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| 125 | } |
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| 126 | |
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| 127 | // Hide the text |
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| 128 | function Hide($aHide=true) { |
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| 129 | $this->hide=$aHide; |
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| 130 | } |
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| 131 | |
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| 132 | // This looks ugly since it's not a very orthogonal design |
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| 133 | // but I added this "inverse" of Hide() to harmonize |
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| 134 | // with some classes which I designed more recently (especially) |
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| 135 | // jpgraph_gantt |
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| 136 | function Show($aShow=true) { |
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| 137 | $this->hide=!$aShow; |
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| 138 | } |
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| 139 | |
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| 140 | // Specify font |
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| 141 | function SetFont($aFamily,$aStyle=FS_NORMAL,$aSize=10) { |
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| 142 | $this->font_family=$aFamily; |
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| 143 | $this->font_style=$aStyle; |
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| 144 | $this->font_size=$aSize; |
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| 145 | } |
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| 146 | |
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| 147 | // Center the text between $left and $right coordinates |
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| 148 | function Center($aLeft,$aRight,$aYAbsPos=false) { |
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| 149 | $this->x = $aLeft + ($aRight-$aLeft )/2; |
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| 150 | $this->halign = "center"; |
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| 151 | if( is_numeric($aYAbsPos) ) |
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| 152 | $this->y = $aYAbsPos; |
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| 153 | } |
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| 154 | |
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| 155 | // Set text color |
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| 156 | function SetColor($aColor) { |
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| 157 | $this->color = $aColor; |
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| 158 | } |
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| 159 | |
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| 160 | function SetAngle($aAngle) { |
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| 161 | $this->SetOrientation($aAngle); |
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| 162 | } |
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| 163 | |
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| 164 | // Orientation of text. Note only TTF fonts can have an arbitrary angle |
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| 165 | function SetOrientation($aDirection=0) { |
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| 166 | if( is_numeric($aDirection) ) |
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| 167 | $this->dir=$aDirection; |
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| 168 | elseif( $aDirection=="h" ) |
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| 169 | $this->dir = 0; |
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| 170 | elseif( $aDirection=="v" ) |
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| 171 | $this->dir = 90; |
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| 172 | else |
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| 173 | JpGraphError::RaiseL(25051);//(" Invalid direction specified for text."); |
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| 174 | } |
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| 175 | |
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| 176 | // Total width of text |
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| 177 | function GetWidth($aImg) { |
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| 178 | $aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size); |
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| 179 | $w = $aImg->GetTextWidth($this->t,$this->dir); |
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| 180 | return $w; |
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| 181 | } |
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| 182 | |
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| 183 | // Hight of font |
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| 184 | function GetFontHeight($aImg) { |
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| 185 | $aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size); |
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| 186 | $h = $aImg->GetFontHeight(); |
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| 187 | return $h; |
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| 188 | |
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| 189 | } |
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| 190 | |
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| 191 | function GetTextHeight($aImg) { |
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| 192 | $aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size); |
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| 193 | $h = $aImg->GetTextHeight($this->t,$this->dir); |
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| 194 | return $h; |
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| 195 | } |
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| 196 | |
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| 197 | function GetHeight($aImg) { |
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| 198 | // Synonym for GetTextHeight() |
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| 199 | $aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size); |
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| 200 | $h = $aImg->GetTextHeight($this->t,$this->dir); |
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| 201 | return $h; |
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| 202 | } |
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| 203 | |
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| 204 | // Set the margin which will be interpretated differently depending |
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| 205 | // on the context. |
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| 206 | function SetMargin($aMarg) { |
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| 207 | $this->margin = $aMarg; |
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| 208 | } |
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| 209 | |
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| 210 | function StrokeWithScale($aImg,$axscale,$ayscale) { |
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| 211 | if( $this->iScalePosX === null || $this->iScalePosY === null ) { |
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| 212 | $this->Stroke($aImg); |
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| 213 | } |
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| 214 | else { |
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| 215 | $this->Stroke($aImg, |
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| 216 | round($axscale->Translate($this->iScalePosX)), |
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| 217 | round($ayscale->Translate($this->iScalePosY))); |
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| 218 | } |
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| 219 | } |
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| 220 | |
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| 221 | function SetCSIMTarget($aURITarget,$aAlt='',$aWinTarget='') { |
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| 222 | $this->iCSIMtarget = $aURITarget; |
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| 223 | $this->iCSIMalt = $aAlt; |
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| 224 | $this->iCSIMWinTarget = $aWinTarget; |
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| 225 | } |
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| 226 | |
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| 227 | function GetCSIMareas() { |
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| 228 | if( $this->iCSIMtarget !== '' ) { |
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| 229 | return $this->iCSIMarea; |
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| 230 | } |
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| 231 | else { |
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| 232 | return ''; |
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| 233 | } |
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| 234 | } |
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| 235 | |
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| 236 | // Display text in image |
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| 237 | function Stroke($aImg,$x=null,$y=null) { |
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| 238 | |
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| 239 | if( $x !== null ) $this->x = round($x); |
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| 240 | if( $y !== null ) $this->y = round($y); |
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| 241 | |
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| 242 | // Insert newlines |
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| 243 | if( $this->iWordwrap > 0 ) { |
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| 244 | $this->t = wordwrap($this->t,$this->iWordwrap,"\n"); |
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| 245 | } |
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| 246 | |
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| 247 | // If position been given as a fraction of the image size |
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| 248 | // calculate the absolute position |
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| 249 | if( $this->x < 1 && $this->x > 0 ) $this->x *= $aImg->width; |
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| 250 | if( $this->y < 1 && $this->y > 0 ) $this->y *= $aImg->height; |
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| 251 | |
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| 252 | $aImg->PushColor($this->color); |
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| 253 | $aImg->SetFont($this->font_family,$this->font_style,$this->raw_font_size); |
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| 254 | $aImg->SetTextAlign($this->halign,$this->valign); |
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| 255 | |
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| 256 | if( $this->boxed ) { |
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| 257 | if( $this->fcolor=="nofill" ) { |
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| 258 | $this->fcolor=false; |
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| 259 | } |
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| 260 | |
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| 261 | $oldweight=$aImg->SetLineWeight(1); |
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| 262 | |
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| 263 | if( $this->iBoxType == 2 && $this->font_family > FF_FONT2+2 ) { |
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| 264 | |
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| 265 | $bbox = $aImg->StrokeBoxedText2($this->x, $this->y, |
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| 266 | $this->t, $this->dir, |
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| 267 | $this->fcolor, |
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| 268 | $this->bcolor, |
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| 269 | $this->shadow, |
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| 270 | $this->paragraph_align, |
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| 271 | 2,4, |
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| 272 | $this->icornerradius, |
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| 273 | $this->ishadowwidth); |
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| 274 | } |
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| 275 | else { |
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| 276 | $bbox = $aImg->StrokeBoxedText($this->x,$this->y,$this->t, |
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| 277 | $this->dir,$this->fcolor,$this->bcolor,$this->shadow, |
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| 278 | $this->paragraph_align,3,3,$this->icornerradius, |
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| 279 | $this->ishadowwidth); |
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| 280 | } |
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| 281 | |
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| 282 | $aImg->SetLineWeight($oldweight); |
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| 283 | } |
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| 284 | else { |
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| 285 | $debug=false; |
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| 286 | $bbox = $aImg->StrokeText($this->x,$this->y,$this->t,$this->dir,$this->paragraph_align,$debug); |
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| 287 | } |
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| 288 | |
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| 289 | // Create CSIM targets |
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| 290 | $coords = $bbox[0].','.$bbox[1].','.$bbox[2].','.$bbox[3].','.$bbox[4].','.$bbox[5].','.$bbox[6].','.$bbox[7]; |
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| 291 | $this->iCSIMarea = "<area shape=\"poly\" coords=\"$coords\" href=\"".htmlentities($this->iCSIMtarget)."\" "; |
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| 292 | if( trim($this->iCSIMalt) != '' ) { |
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| 293 | $this->iCSIMarea .= " alt=\"".$this->iCSIMalt."\" "; |
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| 294 | $this->iCSIMarea .= " title=\"".$this->iCSIMalt."\" "; |
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| 295 | } |
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| 296 | if( trim($this->iCSIMWinTarget) != '' ) { |
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| 297 | $this->iCSIMarea .= " target=\"".$this->iCSIMWinTarget."\" "; |
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| 298 | } |
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| 299 | $this->iCSIMarea .= " />\n"; |
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| 300 | |
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| 301 | $aImg->PopColor($this->color); |
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| 302 | } |
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| 303 | |
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| 304 | function __get($name) { |
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| 305 | |
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| 306 | if (strpos($name, 'raw_') !== false) { |
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| 307 | // if $name == 'raw_left_margin' , return $this->_left_margin; |
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| 308 | $variable_name = '_' . str_replace('raw_', '', $name); |
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| 309 | return $this->$variable_name; |
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| 310 | } |
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| 311 | |
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| 312 | $variable_name = '_' . $name; |
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| 313 | |
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| 314 | if (isset($this->$variable_name)) { |
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| 315 | return $this->$variable_name * SUPERSAMPLING_SCALE; |
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| 316 | } else { |
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| 317 | JpGraphError::RaiseL('25132', $name); |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | function __set($name, $value) { |
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| 322 | $this->{'_'.$name} = $value; |
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| 323 | } |
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| 324 | } // Class |
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| 325 | |
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| 326 | |
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| 327 | ?> |
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