File Content: BCGDrawing.php <?php /** *-------------------------------------------------------------------- * * Holds the drawing $im * You can use get_im() to add other kind of form not held into these classes. * *-------------------------------------------------------------------- * Copyright (C) Jean-Sebastien Goupil * http://www.barcodephp.com */ include_once('BCGBarcode.php'); include_once('drawer/BCGDrawJPG.php'); include_once('drawer/BCGDrawPNG.php'); class BCGDrawing { const IMG_FORMAT_PNG = 1; const IMG_FORMAT_JPEG = 2; const IMG_FORMAT_GIF = 3; const IMG_FORMAT_WBMP = 4; private $w, $h; // int private $color; // BCGColor private $filename; // char * private $im; // {object} private $barcode; // BCGBarcode private $dpi; // int private $rotateDegree; // float /** * Constructor. * * @param int $w * @param int $h * @param string filename * @param BCGColor $color */ public function __construct($filename = null, BCGColor $color) { $this->im = null; $this->setFilename($filename); $this->color = $color; $this->dpi = null; $this->rotateDegree = 0.0; } /** * Destructor. */ public function __destruct() { $this->destroy(); } /** * Gets the filename. * * @return string */ public function getFilename() { return $this->filename; } /** * Sets the filename. * * @param string $filaneme */ public function setFilename($filename) { $this->filename = $filename; } /** * @return resource. */ public function get_im() { return $this->im; } /** * Sets the image. * * @param resource $im */ public function set_im($im) { $this->im = $im; } /** * Gets barcode for drawing. * * @return BCGBarcode */ public function getBarcode() { return $this->barcode; } /** * Sets barcode for drawing. * * @param BCGBarcode $barcode */ public function setBarcode(BCGBarcode $barcode) { $this->barcode = $barcode; } /** * Gets the DPI for supported filetype. * * @return int */ public function getDPI() { return $this->dpi; } /** * Sets the DPI for supported filetype. * * @param float $dpi */ public function setDPI($dpi) { $this->dpi = $dpi; } /** * Gets the rotation angle in degree. * * @return float */ public function getRotationAngle() { return $this->rotateDegree; } /** * Sets the rotation angle in degree. * * @param float $degree */ public function setRotationAngle($degree) { $this->rotateDegree = (float)$degree; } /** * Draws the barcode on the image $im. */ public function draw() { $size = $this->barcode->getDimension(0, 0); $this->w = max(1, $size[0]); $this->h = max(1, $size[1]); $this->init(); $this->barcode->draw($this->im); } /** * Saves $im into the file (many format available). * * @param int $image_style * @param int $quality */ public function finish($image_style = self::IMG_FORMAT_PNG, $quality = 100) { $drawer = null; $im = $this->im; if ($this->rotateDegree > 0.0) { if (function_exists('imagerotate')) { $im = imagerotate($this->im, $this->rotateDegree, $this->color->allocate($this->im)); } else { throw new BCGDrawException('The method imagerotate doesn\'t exist on your server. Do not use any rotation.'); } } if ($image_style === self::IMG_FORMAT_PNG) { $drawer = new BCGDrawPNG($im); $drawer->setFilename($this->filename); $drawer->setDPI($this->dpi); } elseif ($image_style === self::IMG_FORMAT_JPEG) { $drawer = new BCGDrawJPG($im); $drawer->setFilename($this->filename); $drawer->setDPI($this->dpi); $drawer->setQuality($quality); } elseif ($image_style === self::IMG_FORMAT_GIF) { // Some PHP versions have a bug if passing 2nd argument as null. if ($this->filename === null || $this->filename === '') { imagegif($im); } else { imagegif($im, $this->filename); } } elseif ($image_style === self::IMG_FORMAT_WBMP) { imagewbmp($im, $this->filename); } if ($drawer !== null) { $drawer->draw(); } } /** * Writes the Error on the picture. * * @param Exception $exception */ public function drawException($exception) { $this->w = 1; $this->h = 1; $this->init(); // Is the image big enough? $w = imagesx($this->im); $h = imagesy($this->im); $text = 'Error: ' . $exception->getMessage(); $width = imagefontwidth(2) * strlen($text); $height = imagefontheight(2); if ($width > $w || $height > $h) { $width = max($w, $width); $height = max($h, $height); // We change the size of the image $newimg = imagecreatetruecolor($width, $height); imagefill($newimg, 0, 0, imagecolorat($this->im, 0, 0)); imagecopy($newimg, $this->im, 0, 0, 0, 0, $w, $h); $this->im = $newimg; } $black = new BCGColor('black'); imagestring($this->im, 2, 0, 0, $text, $black->allocate($this->im)); } /** * Free the memory of PHP (called also by destructor). */ public function destroy() { @imagedestroy($this->im); } /** * Init Image and color background. */ private function init() { if ($this->im === null) { $this->im = imagecreatetruecolor($this->w, $this->h) or die('Can\'t Initialize the GD Libraty'); imagefilledrectangle($this->im, 0, 0, $this->w - 1, $this->h - 1, $this->color->allocate($this->im)); } } } ?> Submit