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extend/barcode/class/BCGFontPhp.php

@@ -0,0 +1,153 @@
+<?php
+/**
+ *--------------------------------------------------------------------
+ *
+ * Holds font for PHP.
+ *
+ *--------------------------------------------------------------------
+ * Copyright (C) Jean-Sebastien Goupil
+ * http://www.barcodephp.com
+ */
+include_once('BCGFont.php');
+include_once('BCGColor.php');
+
+class BCGFontPhp implements BCGFont {
+    private $font;
+    private $text;
+    private $rotationAngle;
+    private $backgroundColor;
+    private $foregroundColor;
+
+    /**
+     * Constructor.
+     *
+     * @param int $font
+     */
+    public function __construct($font) {
+        $this->font = max(0, intval($font));
+        $this->backgroundColor = new BCGColor('white');
+        $this->foregroundColor = new BCGColor('black');
+        $this->setRotationAngle(0);
+    }
+
+    /**
+     * 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;
+    }
+
+    /**
+     * 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;
+    }
+
+    /**
+     * Gets the background color.
+     *
+     * @return BCGColor
+     */
+    public function getBackgroundColor() {
+        return $this->backgroundColor;
+    }
+
+    /**
+     * Sets the background color.
+     *
+     * @param BCGColor $backgroundColor
+     */
+    public function setBackgroundColor($backgroundColor) {
+        $this->backgroundColor = $backgroundColor;
+    }
+
+    /**
+     * Gets the foreground color.
+     *
+     * @return BCGColor
+     */
+    public function getForegroundColor() {
+        return $this->foregroundColor;
+    }
+
+    /**
+     * Sets the foreground color.
+     *
+     * @param BCGColor $foregroundColor
+     */
+    public function setForegroundColor($foregroundColor) {
+        $this->foregroundColor = $foregroundColor;
+    }
+
+    /**
+     * Returns the width and height that the text takes to be written.
+     *
+     * @return int[]
+     */
+    public function getDimension() {
+        $w = imagefontwidth($this->font) * strlen($this->text);
+        $h = imagefontheight($this->font);
+
+        $rotationAngle = $this->getRotationAngle();
+        if ($rotationAngle === 90 || $rotationAngle === 270) {
+            return array($h, $w);
+        } else {
+            return array($w, $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, $y) {
+        if ($this->getRotationAngle() !== 0) {
+            if (!function_exists('imagerotate')) {
+                throw new BCGDrawException('The method imagerotate doesn\'t exist on your server. Do not use any rotation.');
+            }
+
+            $w = imagefontwidth($this->font) * strlen($this->text);
+            $h = imagefontheight($this->font);
+            $gd = imagecreatetruecolor($w, $h);
+            imagefilledrectangle($gd, 0, 0, $w - 1, $h - 1, $this->backgroundColor->allocate($gd));
+            imagestring($gd, $this->font, 0, 0, $this->text, $this->foregroundColor->allocate($gd));
+            $gd = imagerotate($gd, $this->rotationAngle, 0);
+            imagecopy($im, $gd, $x, $y, 0, 0, imagesx($gd), imagesy($gd));
+        } else {
+            imagestring($im, $this->font, $x, $y, $this->text, $this->foregroundColor->allocate($im));
+        }
+    }
+}
+?>