New file |
0,0 → 1,302 |
<?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) Aditus Consulting. All rights reserved. |
//======================================================================== |
|
|
//=================================================== |
// CLASS Text |
// Description: Arbitrary text object that can be added to the graph |
//=================================================== |
class Text { |
public $t,$margin=0; |
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 $font_family=FF_FONT1,$font_style=FS_NORMAL,$font_size=12; |
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 $iBoxType = 1; // Which variant of filled box around text we want |
|
//--------------- |
// CONSTRUCTOR |
|
// Create new text at absolute pixel coordinates |
function __construct($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->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->font_size); |
$h = $aImg->GetFontHeight(); |
return $h; |
|
} |
|
function GetTextHeight($aImg) { |
$aImg->SetFont($this->font_family,$this->font_style,$this->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->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->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); |
} |
} // Class |
|
|
?> |