src/text/Text.php
<?php
/**
* JPGraph v4.0.3
*/
namespace Amenadiel\JpGraph\Text;
//use Amenadiel\JpGraph\Graph\Graph;
use Amenadiel\JpGraph\Util;
/**
* 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 //extends Graph
{
public $t;
public $x = 0;
public $y = 0;
public $halign = 'left';
public $valign = 'top';
public $color = [0, 0, 0];
public $hide = false;
public $dir = 0;
public $iScalePosY;
public $iScalePosX;
public $iWordwrap = 0;
public $font_family = FF_DEFAULT;
public $font_style = FS_NORMAL; // old. FF_FONT1
public $boxed = false; // Should the text be boxed
protected $paragraph_align = 'left';
protected $icornerradius = 0;
protected $ishadowwidth = 3;
protected $fcolor = 'white';
protected $bcolor = 'black';
protected $shadow = false;
protected $iCSIMarea = '';
protected $iCSIMalt = '';
protected $iCSIMtarget = '';
protected $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.
*
* @param mixed $aTxt
* @param mixed $aXAbsPos
* @param mixed $aYAbsPos
*/
// Create new text at absolute pixel coordinates
public function __construct($aTxt = '', $aXAbsPos = 0, $aYAbsPos = 0)
{
if (!is_string($aTxt)) {
Util\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.
*
* @param mixed $aTxt
*/
// Set the string in the text object
public function Set($aTxt)
{
$this->t = $aTxt;
}
// Alias for Pos()
public function SetPos($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 = $aVAlign;
}
public function SetScalePos($aX, $aY)
{
$this->iScalePosX = $aX;
$this->iScalePosY = $aY;
}
// Specify alignment for the text
public function Align($aHAlign, $aVAlign = 'top', $aParagraphAlign = '')
{
$this->halign = $aHAlign;
$this->valign = $aVAlign;
if ($aParagraphAlign != '') {
$this->paragraph_align = $aParagraphAlign;
}
}
// Alias
public function SetAlign($aHAlign, $aVAlign = 'top', $aParagraphAlign = '')
{
$this->Align($aHAlign, $aVAlign, $aParagraphAlign);
}
// Specifies the alignment for a multi line text
public function ParagraphAlign($aAlign)
{
$this->paragraph_align = $aAlign;
}
// Specifies the alignment for a multi line text
public function SetParagraphAlign($aAlign)
{
$this->paragraph_align = $aAlign;
}
public function SetShadow($aShadowColor = 'gray', $aShadowWidth = 3)
{
$this->ishadowwidth = $aShadowWidth;
$this->shadow = $aShadowColor;
$this->boxed = true;
}
public function SetWordWrap($aCol)
{
$this->iWordwrap = $aCol;
}
// Specify that the text should be boxed. fcolor=frame color, bcolor=border color,
// $shadow=drop shadow should be added around the text.
public function SetBox($aFrameColor = [255, 255, 255], $aBorderColor = [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 = $aShadowWidth;
}
public function SetBox2($aFrameColor = [255, 255, 255], $aBorderColor = [0, 0, 0], $aShadowColor = false, $aCornerRadius = 4, $aShadowWidth = 3)
{
$this->iBoxType = 2;
$this->SetBox($aFrameColor, $aBorderColor, $aShadowColor, $aCornerRadius, $aShadowWidth);
}
// Hide the text
public function Hide($aHide = true)
{
$this->hide = $aHide;
}
// This looks ugly since it's not a very orthogonal design
// but I added this "inverse" of Hide() to harmonize
// with some classes which I designed more recently (especially)
// jpgraph_gantt
public function Show($aShow = true)
{
$this->hide = !$aShow;
}
// Specify font
public 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 $right coordinates
public function Center($aLeft, $aRight, $aYAbsPos = false)
{
$this->x = $aLeft + ($aRight - $aLeft) / 2;
$this->halign = 'center';
if (is_numeric($aYAbsPos)) {
$this->y = $aYAbsPos;
}
}
// Set text color
public function SetColor($aColor)
{
$this->color = $aColor;
}
public function SetAngle($aAngle)
{
$this->SetOrientation($aAngle);
}
// Orientation of text. Note only TTF fonts can have an arbitrary angle
public function SetOrientation($aDirection = 0)
{
if (is_numeric($aDirection)) {
$this->dir = $aDirection;
} elseif ($aDirection == 'h') {
$this->dir = 0;
} elseif ($aDirection == 'v') {
$this->dir = 90;
} else {
Util\JpGraphError::RaiseL(25051);
}
//(" Invalid direction specified for text.");
}
// Total width of text
public function GetWidth($aImg)
{
$aImg->SetFont($this->font_family, $this->font_style, $this->raw_font_size);
$w = $aImg->GetTextWidth($this->t, $this->dir);
return $w;
}
// Hight of font
public function GetFontHeight($aImg)
{
$aImg->SetFont($this->font_family, $this->font_style, $this->raw_font_size);
$h = $aImg->GetFontHeight();
return $h;
}
public function GetTextHeight($aImg)
{
$aImg->SetFont($this->font_family, $this->font_style, $this->raw_font_size);
$h = $aImg->GetTextHeight($this->t, $this->dir);
return $h;
}
public function GetHeight($aImg)
{
// Synonym for GetTextHeight()
$aImg->SetFont($this->font_family, $this->font_style, $this->raw_font_size);
$h = $aImg->GetTextHeight($this->t, $this->dir);
return $h;
}
// Set the margin which will be interpretated differently depending
// on the context.
public function SetMargin($aMarg)
{
$this->margin = $aMarg;
}
public function StrokeWithScale($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($this->iScalePosY))
);
}
}
public function SetCSIMTarget($aURITarget, $aAlt = '', $aWinTarget = '')
{
$this->iCSIMtarget = $aURITarget;
$this->iCSIMalt = $aAlt;
$this->iCSIMWinTarget = $aWinTarget;
}
public function GetCSIMareas()
{
if ($this->iCSIMtarget !== '') {
return $this->iCSIMarea;
}
return '';
}
// Display text in image
public function Stroke($aImg, $x = null, $y = null)
{
if (is_numeric($x)) {
$this->x = round($x);
}
if (is_numeric($y)) {
$this->y = round($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 = implode(',', [
$bbox[0], $bbox[1], $bbox[2], $bbox[3], $bbox[4], $bbox[5], $bbox[6], $bbox[7],
]);
$this->iCSIMarea = "<area shape=\"poly\" coords=\"${coords}\" href=\"";
$this->iCSIMarea .= htmlentities($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);
}
public 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;
}
Util\JpGraphError::RaiseL('25132', $name);
}
public function __set($name, $value)
{
$this->{'_' . $name} = $value;
}
} // @class