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Diffstat (limited to 'html/jpgraph/jpgraph_text.inc.php')
| -rw-r--r-- | html/jpgraph/jpgraph_text.inc.php | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/html/jpgraph/jpgraph_text.inc.php b/html/jpgraph/jpgraph_text.inc.php new file mode 100644 index 0000000..7d0f668 --- /dev/null +++ b/html/jpgraph/jpgraph_text.inc.php @@ -0,0 +1,327 @@ +<?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 + + +?> |