libreqr/barcode-generator/Generator/CINFontFile.php

211 lines
5.6 KiB
PHP

<?php
/**
*--------------------------------------------------------------------
*
* Holds font family and size.
*
*--------------------------------------------------------------------
* @author Akhtar Khan <er.akhtarkhan@gmail.com>
* @link http://www.codeitnow.in
* @package https://github.com/codeitnowin/barcode-generator
*/
namespace CodeItNow\BarcodeBundle\Generator;
use CodeItNow\BarcodeBundle\Generator\CINArgumentException;
use CodeItNow\BarcodeBundle\Generator\CINFont;
use CodeItNow\BarcodeBundle\Generator\CINColor;
class CINFontFile implements CINFont {
const PHP_BOX_FIX = 0;
private $path;
private $size;
private $text = '';
private $foregroundColor;
private $rotationAngle;
private $box;
private $boxFix;
/**
* Constructor.
*
* @param string $fontPath path to the file
* @param int $size size in point
*/
public function __construct($fontPath, $size) {
if (!file_exists($fontPath)) {
throw new CINArgumentException('The font path is incorrect.', 'fontPath');
}
$this->path = $fontPath;
$this->size = $size;
$this->foregroundColor = new CINColor('black');
$this->setRotationAngle(0);
$this->setBoxFix(self::PHP_BOX_FIX);
}
/**
* Gets the text associated to the font.
*
* @return string
*/
public function getText() {
return $this->text;
}
/**
* Sets the text associated to the font.
*
* @param string text
*/
public function setText($text) {
$this->text = $text;
$this->box = null;
}
/**
* Gets the rotation in degree.
*
* @return int
*/
public function getRotationAngle() {
return (360 - $this->rotationAngle) % 360;
}
/**
* Sets the rotation in degree.
*
* @param int
*/
public function setRotationAngle($rotationAngle) {
$this->rotationAngle = (int)$rotationAngle;
if ($this->rotationAngle !== 90 && $this->rotationAngle !== 180 && $this->rotationAngle !== 270) {
$this->rotationAngle = 0;
}
$this->rotationAngle = (360 - $this->rotationAngle) % 360;
$this->box = null;
}
/**
* Gets the background color.
*
* @return CINColor
*/
public function getBackgroundColor() {
}
/**
* Sets the background color.
*
* @param CINColor $backgroundColor
*/
public function setBackgroundColor($backgroundColor) {
}
/**
* Gets the foreground color.
*
* @return CINColor
*/
public function getForegroundColor() {
return $this->foregroundColor;
}
/**
* Sets the foreground color.
*
* @param CINColor $foregroundColor
*/
public function setForegroundColor($foregroundColor) {
$this->foregroundColor = $foregroundColor;
}
/**
* Gets the box fix information.
*
* @return int
*/
public function getBoxFix() {
return $this->boxFix;
}
/**
* Sets the box fix information.
*
* @param int $value
*/
public function setBoxFix($value) {
$this->boxFix = intval($value);
}
/**
* Returns the width and height that the text takes to be written.
*
* @return int[]
*/
public function getDimension() {
$w = 0.0;
$h = 0.0;
$box = $this->getBox();
if ($box !== null) {
$minX = min(array($box[0], $box[2], $box[4], $box[6]));
$maxX = max(array($box[0], $box[2], $box[4], $box[6]));
$minY = min(array($box[1], $box[3], $box[5], $box[7]));
$maxY = max(array($box[1], $box[3], $box[5], $box[7]));
$w = $maxX - $minX;
$h = $maxY - $minY;
}
$rotationAngle = $this->getRotationAngle();
if ($rotationAngle === 90 || $rotationAngle === 270) {
return array($h + self::PHP_BOX_FIX, $w);
} else {
return array($w + self::PHP_BOX_FIX, $h);
}
}
/**
* Draws the text on the image at a specific position.
* $x and $y represent the left bottom corner.
*
* @param resource $im
* @param int $x
* @param int $y
*/
public function draw($im, $x, $y) {
$drawingPosition = $this->getDrawingPosition($x, $y);
imagettftext($im, $this->size, $this->rotationAngle, $drawingPosition[0], $drawingPosition[1], $this->foregroundColor->allocate($im), $this->path, $this->text);
}
private function getDrawingPosition($x, $y) {
$dimension = $this->getDimension();
$box = $this->getBox();
$rotationAngle = $this->getRotationAngle();
if ($rotationAngle === 0) {
$y += abs(min($box[5], $box[7]));
} elseif ($rotationAngle === 90) {
$x += abs(min($box[5], $box[7]));
$y += $dimension[1];
} elseif ($rotationAngle === 180) {
$x += $dimension[0];
$y += abs(max($box[1], $box[3]));
} elseif ($rotationAngle === 270) {
$x += abs(max($box[1], $box[3]));
}
return array($x, $y);
}
private function getBox() {
if ($this->box === null) {
$gd = imagecreate(1, 1);
$this->box = imagettftext($gd, $this->size, 0, 0, 0, 0, $this->path, $this->text);
}
return $this->box;
}
}
?>