439 lines
15 KiB
PHP
439 lines
15 KiB
PHP
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<?php
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/**
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*--------------------------------------------------------------------
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*
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* Base class for Barcode 1D and 2D
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*
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*--------------------------------------------------------------------
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* @author Akhtar Khan <er.akhtarkhan@gmail.com>
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* @link http://www.codeitnow.in
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* @package https://github.com/codeitnowin/barcode-generator
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*/
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namespace CodeItNow\BarcodeBundle\Generator;
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use CodeItNow\BarcodeBundle\Generator\CINColor;
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use CodeItNow\BarcodeBundle\Generator\CINLabel;
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use CodeItNow\BarcodeBundle\Generator\CINArgumentException;
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use CodeItNow\BarcodeBundle\Generator\CINDrawException;
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abstract class CINBarcode {
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const COLOR_BG = 0;
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const COLOR_FG = 1;
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protected $colorFg, $colorBg; // Color Foreground, Barckground
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protected $scale; // Scale of the graphic, default: 1
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protected $offsetX, $offsetY; // Position where to start the drawing
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protected $labels = array(); // Array of CINLabel
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protected $pushLabel = array(0, 0); // Push for the label, left and top
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/**
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* Constructor.
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*/
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protected function __construct() {
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$this->setOffsetX(0);
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$this->setOffsetY(0);
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$this->setForegroundColor(0x000000);
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$this->setBackgroundColor(0xffffff);
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$this->setScale(1);
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}
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/**
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* Parses the text before displaying it.
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*
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* @param mixed $text
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*/
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public function parse($text) {
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}
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/**
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* Gets the foreground color of the barcode.
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*
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* @return CINColor
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*/
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public function getForegroundColor() {
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return $this->colorFg;
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}
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/**
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* Sets the foreground color of the barcode. It could be a CINColor
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* value or simply a language code (white, black, yellow...) or hex value.
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*
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* @param mixed $code
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*/
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public function setForegroundColor($code) {
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if ($code instanceof CINColor) {
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$this->colorFg = $code;
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} else {
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$this->colorFg = new CINColor($code);
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}
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}
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/**
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* Gets the background color of the barcode.
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*
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* @return CINColor
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*/
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public function getBackgroundColor() {
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return $this->colorBg;
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}
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/**
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* Sets the background color of the barcode. It could be a CINColor
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* value or simply a language code (white, black, yellow...) or hex value.
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*
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* @param mixed $code
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*/
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public function setBackgroundColor($code) {
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if ($code instanceof CINColor) {
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$this->colorBg = $code;
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} else {
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$this->colorBg = new CINColor($code);
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}
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foreach ($this->labels as $label) {
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$label->setBackgroundColor($this->colorBg);
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}
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}
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/**
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* Sets the color.
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*
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* @param mixed $fg
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* @param mixed $bg
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*/
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public function setColor($fg, $bg) {
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$this->setForegroundColor($fg);
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$this->setBackgroundColor($bg);
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}
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/**
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* Gets the scale of the barcode.
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*
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* @return int
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*/
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public function getScale() {
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return $this->scale;
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}
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/**
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* Sets the scale of the barcode in pixel.
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* If the scale is lower than 1, an exception is raised.
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*
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* @param int $scale
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*/
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public function setScale($scale) {
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$scale = intval($scale);
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if ($scale <= 0) {
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throw new CINArgumentException('The scale must be larger than 0.', 'scale');
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}
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$this->scale = $scale;
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}
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/**
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* Abstract method that draws the barcode on the resource.
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*
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* @param resource $im
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*/
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public abstract function draw($im);
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/**
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* Returns the maximal size of a barcode.
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* [0]->width
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* [1]->height
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*
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* @param int $w
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* @param int $h
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* @return int[]
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*/
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public function getDimension($w, $h) {
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$labels = $this->getBiggestLabels(false);
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$pixelsAround = array(0, 0, 0, 0); // TRBL
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if (isset($labels[CINLabel::POSITION_TOP])) {
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$dimension = $labels[CINLabel::POSITION_TOP]->getDimension();
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$pixelsAround[0] += $dimension[1];
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}
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if (isset($labels[CINLabel::POSITION_RIGHT])) {
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$dimension = $labels[CINLabel::POSITION_RIGHT]->getDimension();
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$pixelsAround[1] += $dimension[0];
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}
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if (isset($labels[CINLabel::POSITION_BOTTOM])) {
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$dimension = $labels[CINLabel::POSITION_BOTTOM]->getDimension();
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$pixelsAround[2] += $dimension[1];
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}
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if (isset($labels[CINLabel::POSITION_LEFT])) {
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$dimension = $labels[CINLabel::POSITION_LEFT]->getDimension();
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$pixelsAround[3] += $dimension[0];
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}
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$finalW = ($w + $this->offsetX) * $this->scale;
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$finalH = ($h + $this->offsetY) * $this->scale;
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// This section will check if a top/bottom label is too big for its width and left/right too big for its height
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$reversedLabels = $this->getBiggestLabels(true);
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foreach ($reversedLabels as $label) {
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$dimension = $label->getDimension();
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$alignment = $label->getAlignment();
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if ($label->getPosition() === CINLabel::POSITION_LEFT || $label->getPosition() === CINLabel::POSITION_RIGHT) {
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if ($alignment === CINLabel::ALIGN_TOP) {
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$pixelsAround[2] = max($pixelsAround[2], $dimension[1] - $finalH);
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} elseif ($alignment === CINLabel::ALIGN_CENTER) {
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$temp = ceil(($dimension[1] - $finalH) / 2);
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$pixelsAround[0] = max($pixelsAround[0], $temp);
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$pixelsAround[2] = max($pixelsAround[2], $temp);
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} elseif ($alignment === CINLabel::ALIGN_BOTTOM) {
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$pixelsAround[0] = max($pixelsAround[0], $dimension[1] - $finalH);
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}
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} else {
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if ($alignment === CINLabel::ALIGN_LEFT) {
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$pixelsAround[1] = max($pixelsAround[1], $dimension[0] - $finalW);
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} elseif ($alignment === CINLabel::ALIGN_CENTER) {
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$temp = ceil(($dimension[0] - $finalW) / 2);
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$pixelsAround[1] = max($pixelsAround[1], $temp);
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$pixelsAround[3] = max($pixelsAround[3], $temp);
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} elseif ($alignment === CINLabel::ALIGN_RIGHT) {
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$pixelsAround[3] = max($pixelsAround[3], $dimension[0] - $finalW);
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}
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}
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}
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$this->pushLabel[0] = $pixelsAround[3];
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$this->pushLabel[1] = $pixelsAround[0];
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$finalW = ($w + $this->offsetX) * $this->scale + $pixelsAround[1] + $pixelsAround[3];
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$finalH = ($h + $this->offsetY) * $this->scale + $pixelsAround[0] + $pixelsAround[2];
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return array($finalW, $finalH);
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}
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/**
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* Gets the X offset.
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*
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* @return int
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*/
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public function getOffsetX() {
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return $this->offsetX;
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}
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/**
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* Sets the X offset.
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*
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* @param int $offsetX
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*/
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public function setOffsetX($offsetX) {
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$offsetX = intval($offsetX);
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if ($offsetX < 0) {
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throw new CINArgumentException('The offset X must be 0 or larger.', 'offsetX');
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}
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$this->offsetX = $offsetX;
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}
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/**
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* Gets the Y offset.
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*
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* @return int
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*/
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public function getOffsetY() {
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return $this->offsetY;
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}
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/**
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* Sets the Y offset.
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*
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* @param int $offsetY
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*/
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public function setOffsetY($offsetY) {
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$offsetY = intval($offsetY);
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if ($offsetY < 0) {
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throw new CINArgumentException('The offset Y must be 0 or larger.', 'offsetY');
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}
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$this->offsetY = $offsetY;
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}
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/**
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* Adds the label to the drawing.
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*
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* @param CINLabel $label
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*/
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public function addLabel(CINLabel $label) {
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$label->setBackgroundColor($this->colorBg);
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$label->setForegroundColor($this->colorFg);
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$this->labels[] = $label;
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}
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/**
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* Removes the label from the drawing.
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*
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* @param CINLabel $label
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*/
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public function removeLabel(CINLabel $label) {
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$remove = -1;
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$c = count($this->labels);
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for ($i = 0; $i < $c; $i++) {
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if ($this->labels[$i] === $label) {
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$remove = $i;
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break;
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}
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}
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if ($remove > -1) {
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array_splice($this->labels, $remove, 1);
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}
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}
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/**
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* Clears the labels.
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*/
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public function clearLabels() {
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$this->labels = array();
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}
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/**
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* Draws the text.
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* The coordinate passed are the positions of the barcode.
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* $x1 and $y1 represent the top left corner.
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* $x2 and $y2 represent the bottom right corner.
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*
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* @param resource $im
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* @param int $x1
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* @param int $y1
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* @param int $x2
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* @param int $y2
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*/
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protected function drawText($im, $x1, $y1, $x2, $y2) {
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foreach ($this->labels as $label) {
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$label->draw($im,
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($x1 + $this->offsetX) * $this->scale + $this->pushLabel[0],
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($y1 + $this->offsetY) * $this->scale + $this->pushLabel[1],
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($x2 + $this->offsetX) * $this->scale + $this->pushLabel[0],
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($y2 + $this->offsetY) * $this->scale + $this->pushLabel[1]);
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}
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}
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/**
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* Draws 1 pixel on the resource at a specific position with a determined color.
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*
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* @param resource $im
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* @param int $x
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* @param int $y
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* @param int $color
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*/
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protected function drawPixel($im, $x, $y, $color = self::COLOR_FG) {
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$xR = ($x + $this->offsetX) * $this->scale + $this->pushLabel[0];
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$yR = ($y + $this->offsetY) * $this->scale + $this->pushLabel[1];
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// We always draw a rectangle
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imagefilledrectangle($im,
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$xR,
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$yR,
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$xR + $this->scale - 1,
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$yR + $this->scale - 1,
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$this->getColor($im, $color));
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}
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/**
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* Draws an empty rectangle on the resource at a specific position with a determined color.
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*
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* @param resource $im
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* @param int $x1
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* @param int $y1
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* @param int $x2
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* @param int $y2
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* @param int $color
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*/
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protected function drawRectangle($im, $x1, $y1, $x2, $y2, $color = self::COLOR_FG) {
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if ($this->scale === 1) {
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imagefilledrectangle($im,
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($x1 + $this->offsetX) + $this->pushLabel[0],
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($y1 + $this->offsetY) + $this->pushLabel[1],
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($x2 + $this->offsetX) + $this->pushLabel[0],
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($y2 + $this->offsetY) + $this->pushLabel[1],
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$this->getColor($im, $color));
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} else {
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imagefilledrectangle($im, ($x1 + $this->offsetX) * $this->scale + $this->pushLabel[0], ($y1 + $this->offsetY) * $this->scale + $this->pushLabel[1], ($x2 + $this->offsetX) * $this->scale + $this->pushLabel[0] + $this->scale - 1, ($y1 + $this->offsetY) * $this->scale + $this->pushLabel[1] + $this->scale - 1, $this->getColor($im, $color));
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imagefilledrectangle($im, ($x1 + $this->offsetX) * $this->scale + $this->pushLabel[0], ($y1 + $this->offsetY) * $this->scale + $this->pushLabel[1], ($x1 + $this->offsetX) * $this->scale + $this->pushLabel[0] + $this->scale - 1, ($y2 + $this->offsetY) * $this->scale + $this->pushLabel[1] + $this->scale - 1, $this->getColor($im, $color));
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imagefilledrectangle($im, ($x2 + $this->offsetX) * $this->scale + $this->pushLabel[0], ($y1 + $this->offsetY) * $this->scale + $this->pushLabel[1], ($x2 + $this->offsetX) * $this->scale + $this->pushLabel[0] + $this->scale - 1, ($y2 + $this->offsetY) * $this->scale + $this->pushLabel[1] + $this->scale - 1, $this->getColor($im, $color));
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imagefilledrectangle($im, ($x1 + $this->offsetX) * $this->scale + $this->pushLabel[0], ($y2 + $this->offsetY) * $this->scale + $this->pushLabel[1], ($x2 + $this->offsetX) * $this->scale + $this->pushLabel[0] + $this->scale - 1, ($y2 + $this->offsetY) * $this->scale + $this->pushLabel[1] + $this->scale - 1, $this->getColor($im, $color));
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}
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|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Draws a filled rectangle on the resource at a specific position with a determined color.
|
||
|
|
*
|
||
|
|
* @param resource $im
|
||
|
|
* @param int $x1
|
||
|
|
* @param int $y1
|
||
|
|
* @param int $x2
|
||
|
|
* @param int $y2
|
||
|
|
* @param int $color
|
||
|
|
*/
|
||
|
|
protected function drawFilledRectangle($im, $x1, $y1, $x2, $y2, $color = self::COLOR_FG) {
|
||
|
|
if ($x1 > $x2) { // Swap
|
||
|
|
$x1 ^= $x2 ^= $x1 ^= $x2;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($y1 > $y2) { // Swap
|
||
|
|
$y1 ^= $y2 ^= $y1 ^= $y2;
|
||
|
|
}
|
||
|
|
|
||
|
|
imagefilledrectangle($im,
|
||
|
|
($x1 + $this->offsetX) * $this->scale + $this->pushLabel[0],
|
||
|
|
($y1 + $this->offsetY) * $this->scale + $this->pushLabel[1],
|
||
|
|
($x2 + $this->offsetX) * $this->scale + $this->pushLabel[0] + $this->scale - 1,
|
||
|
|
($y2 + $this->offsetY) * $this->scale + $this->pushLabel[1] + $this->scale - 1,
|
||
|
|
$this->getColor($im, $color));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Allocates the color based on the integer.
|
||
|
|
*
|
||
|
|
* @param resource $im
|
||
|
|
* @param int $color
|
||
|
|
* @return resource
|
||
|
|
*/
|
||
|
|
protected function getColor($im, $color) {
|
||
|
|
if ($color === self::COLOR_BG) {
|
||
|
|
return $this->colorBg->allocate($im);
|
||
|
|
} else {
|
||
|
|
return $this->colorFg->allocate($im);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returning the biggest label widths for LEFT/RIGHT and heights for TOP/BOTTOM.
|
||
|
|
*
|
||
|
|
* @param bool $reversed
|
||
|
|
* @return CINLabel[]
|
||
|
|
*/
|
||
|
|
private function getBiggestLabels($reversed = false) {
|
||
|
|
$searchLR = $reversed ? 1 : 0;
|
||
|
|
$searchTB = $reversed ? 0 : 1;
|
||
|
|
|
||
|
|
$labels = array();
|
||
|
|
foreach ($this->labels as $label) {
|
||
|
|
$position = $label->getPosition();
|
||
|
|
if (isset($labels[$position])) {
|
||
|
|
$savedDimension = $labels[$position]->getDimension();
|
||
|
|
$dimension = $label->getDimension();
|
||
|
|
if ($position === CINLabel::POSITION_LEFT || $position === CINLabel::POSITION_RIGHT) {
|
||
|
|
if ($dimension[$searchLR] > $savedDimension[$searchLR]) {
|
||
|
|
$labels[$position] = $label;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if ($dimension[$searchTB] > $savedDimension[$searchTB]) {
|
||
|
|
$labels[$position] = $label;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$labels[$position] = $label;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $labels;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|