rendered paste body<?php/*** Classe GD 3** Esta classe manipula uma imagem de forma simples e descomplicada* @author Marcos Borges <contato@marcosborges.com>* @version 1.0** #$gd = new gd3("./DSC_0096.jpg");* #$gd->setFormatOutPut("jpg");* * #$gd->effectUnSharpMask();* #$gd->effectNegate();* #$gd->effectGrayscale();* #$gd->effectEdgeDetect();* #$gd->effectSelectiveBlur(); * #$gd->effectContrast(-50);* #$gd->effectBrightness(-10);* #$gd->effectGusianBlur(20);* #$gd->effectSmooth(100);* #$gd->effectEmboss();* #$gd->effectMeanRemoval();* #$gd->effectSepia();* #$gd->effectColorize(10,100,255);* #$gd->imageRotate(45);* #$gd->setTransparent("#000000");* * * $gd->resizeImage( 1000, //$newWidth, * 1000, //$newHeight, * 1000, //$canvasWidth = null, * 1000, //$canvasHeight = null , * "center", //$positionVertical = "center", * "center", //$positionHorizontal = "center", * false, //$overSizeEnable = true,* false //$deformationEnable = true* );* * #$gd->save('teste/file_name'); //sem a exteno, ela fornecida pelo metodo setFormatOutPut * #$gd->show();* */class gd3{ private $_imageHandler; # Resource da Imagem private $_bgColorRed = 255; # Quantidade de vermelho de 0 a 255 (int) private $_bgColorGreen = 255; # Quantidade de verde de 0 a 255 (int) private $_bgColorBlue = 255; # Quantidade de azul de 0 a 255 (int) private $_quality=100; # Qualidade da saida da imagem somente para jpeg de 0 a 100 (int) private $_format; # Formato da imagem gif, jpg, png (string) private $_formatAllow = array('gif','jpg','png'); # lista de extenes permitidas somente gif, jpg e png; private $_formatOutPut = null; # Formato da saida somente gif, jpg e png (string) /** * setImageHandler * * @param (resource link) $arg * @return (void) * @access public */ public function setImageHandler($arg){ $this->_imageHandler = $arg; } /** * getImageHandler * * @return (resource link) * @access public */ public function getImageHandler(){ return $this->_imageHandler; } /** * setBgColorRed * * @param (int) $arg de 0 a 255 * @return (void) * @access public */ public function setBgColorRed($arg){ $this->_bgColorRed = $arg; } /** * getBgColorRed * * @return (int) * @access public */ public function getBgColorRed(){ return $this->_bgColorRed;} /** * setBgColorGreen * * @param (int) $arg de 0 a 255 * @return (void) * @access public */ public function setBgColorGreen($arg){ $this->_bgColorGreen = $arg; } /** * getBgColorGreen * * @return (int) * @access public */ public function getBgColorGreen(){ return $this->_bgColorGreen;} /** * setBgColorGreen * * @param (int) $arg de 0 a 255 * @return (void) * @access public */ public function setBgColorBlue($arg){ $this->_bgColorBlue = $arg; } /** * getBgColorBlue * * @return (int) * @access public */ public function getBgColorBlue(){ return $this->_bgColorBlue;} /** * setQuality * * @param (int) $arg de 0 a 100 * @return (void) * @access public */ public function setQuality($arg){ $this->_quality = $arg; } /** * getQuality * * @return (int) * @access public */ public function getQuality(){ return $this->_quality;} /** * setFormat * * @param (string) $arg "jpg" * @return (void) * @access public */ public function setFormat($arg){ $this->_format = $arg; } /** * getFormat * * @return (string) * @access public */ public function getFormat(){ return $this->_format;} /** * setFormatAllow * * @param (array) $arg * @return (void) * @access public */ public function setFormatAllow($arg){ $this->_formatAllow = $arg;} /** * getFormatAllow * * @return (array) * @access public */ public function getFormatAllow(){ return $this->_formatAllow;} /** * setFormatOutPut * * @param (string) $arg "jpg" * @return (void) * @access public */ public function setFormatOutPut($arg){ $this->_formatOutPut = $arg; } /** * getFormatOutPut * * @return (string) * @access public */ public function getFormatOutPut(){ return $this->_formatOutPut;} /** * setFormatOutPut * * @param (array) $arg array("R"=>10,"G"=>10, "B"=>10); * @return (void) * @access public */ public function setbgColor($arg){ $this->setBgColorRed($arg['R']); $this->setBgColorGreen($arg['G']); $this->setBgColorBlue($arg['B']); } /** * __construct * * @param (string) $arg local do arquivo * @return (void) * @access public */ public function __construct($arg = null){ $this->init($arg); } /** * init * * @param (string) $arg local do arquivo * @return (void) * @access public */ public function init($arg = null){ # Checa a verso do php e as funes necessrias para rodar essa classe $this->checkPHPVersion(); # Inicia o bgcolor com branco $this->setbgColor(array( "R" => 255, "G" => 255, "B" => 255, )); # Define a qualidade de saida em 100% $this->setQuality(100); # Define quais as extenes permitidas $this->setFormatAllow(array("gif","jpg","png")); if(is_file($arg) && $this->IfSupportedImageTypes($arg)){ $this->loadFile($arg); } } /** * __construct * * VERIFICA SE AS FUNES ESSENCIAIS UTILIZADAS NESSA CLASSE EXISTEM * * @return (bool) * @access private */ private function checkPHPVersion () { #FUNES DE IMAGEM if(!( function_exists('imagesx') && function_exists('imagesy') && function_exists('imagefilter') && function_exists('imagecreatefromgif') && function_exists('imagecreatefromjpeg') && function_exists('imagecreatefrompng') && function_exists('imagerotate') && function_exists('imagecolorallocate') && function_exists('imagecreatetruecolor') && function_exists('imagecolortransparent') && function_exists('imagecopymerge') && function_exists('imagecopy') && function_exists('imagestring') && #FUNES GERAIS function_exists('version_compare') && function_exists('phpversion') && function_exists('is_null') && function_exists('header') && #FUNES FILE SYSTEM function_exists('is_file') && #FUNES DE ARRAY function_exists('explode') && function_exists('count') && #FUNES DE STRING function_exists('strpos') && function_exists('substr') && function_exists('strlen') && function_exists('wordwrap') && function_exists('trim') && #FUNes MATEMATICAS function_exists('ceil') && function_exists('hexdec') && function_exists('abs') && function_exists('round') && function_exists('max') && function_exists('min') ) ){ die('Alguma funo necessria para a execuo desta classe no foi encontrada. Verifique Method -> checkPHPVersion'); } if(version_compare("5.0.0", phpversion() ,"<") == 1) { return true; } else { return false; } } /** * ifSupportedImageTypes * * @param (string) $arg local do arquivo * @return (bool) * @access public */ public function ifSupportedImageTypes($file) { if(is_file($file)){ if(in_array($this->getFormatFile($file),$this->getFormatAllow())){ return true; }else{ return true; } }else{ return false; } } /** * loadFile * * carrega um arquivo de imagem para o atributo _imageHandler * * @param (string) $arg local do arquivo * @return (void) * @access public */ public function loadFile($file) { if($this->ifSupportedImageTypes($file)){ $ext = $this->getFormatFile($file); switch($ext) { case "gif": $this->setImageHandler(imagecreatefromgif($file)); break; case "jpg": $this->setImageHandler(imagecreatefromjpeg($file)); break; case "png": $this->setImageHandler(imagecreatefrompng($file)); break; default: $this->createErrorImage("formato invlido."); return false; break; } $this->setFormat($ext); return true; } } /** * createImage * * cria uma imagem para o atributo _imageHandler * * @param (int) $x largura * @param (int) $y altura * @return (void) * @access public */ public function createImage($x=0,$y=0) { $newImage = imagecreatetruecolor($x, $y); imagefill( $newImage, 0, 0, imagecolorallocate( $newImage, $this->getBgColorRed(), $this->getBgColorGreen(), $this->getBgColorBlue() ) ); $this->setImageHandler($newImage); } /** * getFormatFile * * Obtem o formato do arquivo * * @param (string) $file caminho do arquivo * @return (string) jpg ou gif ou png * @access public */ public function getFormatFile($file) { $format = ""; $ext = explode(".",$file); $ext = $ext[count($ext)-1]; switch($ext){ case "jpg": $format = 'jpg'; break; case "gif": $format = 'gif'; break; case "png": $format = 'png'; break; } return $format; } /** * show * * imprime os headers do tipo da imagem e imprime a imagem no atributo _imageHandler * * @return (void) * @access public */ public function show(){ if(!is_null($this->getFormatOutPut()) || trim($this->getFormatOutPut()) != ""){ $type = $this->getFormatOutPut(); }elseif(!is_null($this->getFormat()) || trim($this->getFormat()) != ""){ $type = $this->getFormat(); }else{ $type = "jpg"; } switch($type) { case "gif": header('Content-type: image/gif'); imagegif($this->getImageHandler()); break; case "jpg": case "jpeg": header('Content-type: image/jpeg'); imagejpeg($this->getImageHandler()); break; case "png": header('Content-type: image/png'); imagepng($this->getImageHandler()); break; } exit; } /** * save * * imprime os headers do tipo da imagem e imprime a imagem no atributo _imageHandler * * @param (string) $nome do arquivo a ser salvo sem exteno * @return (void) * @access public */ public function save($nome){ if(!is_null($this->getFormatOutPut()) || trim($this->getFormatOutPut()) != ""){ $type = $this->getFormatOutPut(); }elseif(!is_null($this->getFormat()) || trim($this->getFormat()) != ""){ $type = $this->getFormat(); }else{ $type = "jpg"; } switch($type) { case "gif": imagegif($this->getImageHandler(),$nome . "." .$this->getFormatOutPut()); break; case "jpg": case "jpeg": imagejpeg($this->getImageHandler(),$nome . "." .$this->getFormatOutPut(),$this->getQuality()); break; case "png": imagepng($this->getImageHandler(),$nome . "." .$this->getFormatOutPut()); break; } @chmod($nome . "." .$this->getFormatOutPut(),0777); return true; } /** * resizeImage * * redimensiona a imagem contida em _imageHandler, tambm fornece opes de alinhamento e crop. * * @param (int) $newWidth nova largura, * @param (int) $newHeight nova altura, * @param (int) $canvasWidth largura do palco, * @param (int) $canvasHeight largura do palco , * @param (string/int) $positionVertical posio vertical (center, top, bottom, 10) * @param (string/int) $positionHorizontal posio horizontal (left, center, right, 100) * @param (string) $overSizeEnable habilita ampliao da imagem acima de 100% de seu tamanho, * @param (string) $deformationEnable habilita a deformao da imagem (no usa proporo) * @return (void) * @access public */ public function resizeImage( $newWidth, $newHeight, $canvasWidth = null, $canvasHeight = null , $positionVertical = "center", $positionHorizontal = "center", $overSizeEnable = true, $deformationEnable = true) { $width = imagesx($this->getImageHandler()); $height = imagesy($this->getImageHandler()); if(!$overSizeEnable){ if($width < $newWidth || $height < $newHeight){ $newWidth = $width; $newHeight = $height; } } if(!$deformationEnable){ #redimensiona calcula a proporo da imagem if($newWidth >= $newHeight){ $sizePercent = (int)($width / ($newWidth / 100)); $widthAux = $width; $heightAux = ($sizePercent * ($newHeight/100)); }else{ $sizePercent = (int)($height / ($newHeight / 100)); $heightAux = $height; $widthAux = ($sizePercent * ($newWidth /100)); } #verifica se a proporo no est correta. if($widthAux == $width && $heightAux == $height){ $newWidth = $widthAux; $newHeight = $heightAux; }else{ if($width >= $height){ $sizePercent = (int)($newWidth / ($width / 100)); $heightAux = ($sizePercent * ($height/100)); $newHeight = $heightAux; }else{ //$newHeight = $height; $sizePercent = (int)($newHeight / ($height / 100)); $widthAux = ($sizePercent * ($width/100)); $newWidth = $widthAux; } } } if(is_null($canvasWidth)){ $canvasWidth = $newWidth; } if(is_null($canvasHeight)){ $canvasHeight = $newHeight; } switch($positionVertical){ case "center": $y = ($canvasHeight / 2) - ($newHeight/2); break; case "top": $y = 0; break; case "bottom": $y = $canvasHeight - $newHeight; break; default: if(is_numeric($positionVertical)){ $y = $positionVertical; }else{ $y = 0; } break; } switch($positionHorizontal){ case "center": $x = ($canvasWidth / 2) - ($newWidth/2); break; case "left": $x = 1; break; case "right": $x = $canvasWidth - $newWidth; break; default: if(is_numeric($positionHorizontal)){ $x = $positionHorizontal; }else{ $x = 0; } break; } #PARTE QUE REDIMENCIONA $newImage = imagecreatetruecolor($newWidth, $newHeight); imagefill( $newImage, 0, 0, imagecolorallocate( $newImage, $this->getBgColorRed(), $this->getBgColorGreen(), $this->getBgColorBlue() ) ); imagecopyresampled($newImage, $this->getImageHandler(), 0, 0,0,0, $newWidth, $newHeight, $width, $height); #PARTE DO PALCO $newPalco = imagecreatetruecolor($canvasWidth, $canvasHeight); imagefill( $newPalco, 0, 0, imagecolorallocate( $newPalco, $this->getBgColorRed(), $this->getBgColorGreen(), $this->getBgColorBlue() ) ); imagecopyresampled($newPalco,$newImage, $x, $y,0,0, $newWidth, $newHeight, $newWidth, $newHeight); $this->setImageHandler($newPalco); return true; } /** * effectNegate * * Aplica o efeito de negativo em _imageHandler * * @return (void) * @access public */ public function effectNegate() { imagefilter($this->_imageHandler, IMG_FILTER_NEGATE); } /** * effectGrayscale * * Aplica o efeito de negativo em _imageHandler * * @return (void) * @access public */ public function effectGrayscale() { imagefilter($this->_imageHandler, IMG_FILTER_GRAYSCALE); } /** * effectEdgeDetect * * Aplica o efeito de Edge Detect em _imageHandler * * @return (void) * @access public */ public function effectEdgeDetect() { imagefilter($this->_imageHandler, IMG_FILTER_EDGEDETECT); } /** * effectSelectiveBlur * * Aplica o efeito de Selective Blur em _imageHandler * * @return (void) * @access public */ public function effectSelectiveBlur() { imagefilter($this->_imageHandler, IMG_FILTER_SELECTIVE_BLUR); } /** * effectContrast * * Aplica o efeito de Contrast em _imageHandler * * @param (int) $val, * @return (void) * @access public */ public function effectContrast($val) { imagefilter($this->_imageHandler, IMG_FILTER_CONTRAST,$val); } /** * effectBrightness * * Aplica o efeito de Brightness em _imageHandler * * @param (int) $val, * @return (void) * @access public */ public function effectBrightness($val) { imagefilter($this->_imageHandler, IMG_FILTER_BRIGHTNESS,$val); } /** * effectGusianBlur * * Aplica o efeito de Gusian Blur em _imageHandler * * @param (int) $val, * @return (void) * @access public */ public function effectGusianBlur($val) { imagefilter($this->_imageHandler, IMG_FILTER_GAUSSIAN_BLUR,$val); } /** * effectSmooth * * Aplica o efeito de Smooth em _imageHandler * * @param (int) $val, * @return (void) * @access public */ public function effectSmooth($val) { imagefilter($this->_imageHandler, IMG_FILTER_SMOOTH,$val); } /** * effectEmboss * * Aplica o efeito de Emboss em _imageHandler * * @return (void) * @access public */ public function effectEmboss() { imagefilter($this->_imageHandler, IMG_FILTER_EMBOSS); } /** * effectMeanRemoval * * Aplica o efeito de Mean Removal em _imageHandler * * @return (void) * @access public */ public function effectMeanRemoval() { imagefilter($this->_imageHandler, IMG_FILTER_MEAN_REMOVAL); } /** * effectColorize * * Aplica o efeito de Colorize em _imageHandler * * @return (void) * @param (int) $R, * @param (int) $G, * @param (int) $B, * @access public */ public function effectColorize($R,$G,$B) { imagefilter($this->_imageHandler, IMG_FILTER_COLORIZE,$R,$G,$B); } /** * effectSepia * * Aplica o efeito de Sepia em _imageHandler * * @return (void) * @access public */ public function effectSepia() { $this->effectGrayscale(); $this->effectColorize(90, 60, 40); return true; } /** * imageRotate * * Rotaciona _imageHandler conforme o angulo * * @param (int) $degrees angulo, * @return (void) * @access public */ public function imageRotate($degrees) { $this->_imageHandler = imagerotate($this->_imageHandler, $degrees, imagecolorallocate($this->_imageHandler,$this->getBgColorRed(),$this->getBgColorGreen(),$this->getBgColorBlue())); } /** * setTransparent * * Aplica o efeito de Selective Transparent em _imageHandler * * @param (string) $val, #000000 hexadecimal da cor * @return (void) * @access public */ public function setTransparent($hexcolor){ $rgb = $this->Hex2Rgb($hexcolor); $trans = imagecolorallocate($this->_imageHandler,$rgb['R'],$rgb['G'],$rgb['B']); imagecolortransparent($this->_imageHandler,$trans); } /** * hex2Rgb * * converte hex para rgb * * @param (string) $hex, #000000 hexadecimal da cor * @return (array) * @access private */ private function hex2Rgb($hex){ if (0 === strpos($hex, '#')) { $hex = substr($hex, 1); } else if (0 === strpos($hex, '&H')) { $hex = substr($hex, 2); } else if(0 === strpos($hex, 'x')) { $hex = substr($hex, 2); } $cutpoint = ceil(strlen($hex) / 2)-1; $rgb = explode(':', wordwrap($hex, $cutpoint, ':', $cutpoint), 3); $rgb_aux['R'] = (isset($rgb[0]) ? hexdec($rgb[0]) : 0); $rgb_aux['G'] = (isset($rgb[1]) ? hexdec($rgb[1]) : 0); $rgb_aux['B'] = (isset($rgb[2]) ? hexdec($rgb[2]) : 0); return $rgb_aux; } /** * unSharpMask * * Aplica o efeito de unSharp Mask em _imageHandler -ESSE O EFEITO MAIS DEMORADO A SER APLICADO - EXIGE MAIOR PROCESSAMENTO * * @param (int) $amount, #000000 hexadecimal da cor * @param (float) $radius, #000000 hexadecimal da cor * @param (float) $threshold, #000000 hexadecimal da cor * @return (void) * @access public */ public function effectUnSharpMask($amount = "80", $radius = "0.5", $threshold = "2") { if ($amount > 500) $amount = 500; $amount = $amount * 0.016; if ($radius > 50) $radius = 50; $radius = $radius * 2; if ($threshold > 255) $threshold = 255; $radius = abs(round($radius)); // Only integers make sense. if ($radius == 0) { return false; } $w = imagesx($this->getImageHandler()); $h = imagesy($this->getImageHandler()); $imgCanvas = imagecreatetruecolor($w, $h); $imgBlur = imagecreatetruecolor($w, $h); // Gaussian blur matrix: // // 1 2 1 // 2 4 2 // 1 2 1 ////////////////////////////////////////////////// if (function_exists('imageconvolution')) { // PHP >= 5.1 $matrix = array( array( 1, 2, 1 ), array( 2, 4, 2 ), array( 1, 2, 1 ) ); imagecopy ($imgBlur, $this->getImageHandler(), 0, 0, 0, 0, $w, $h); imageconvolution($imgBlur, $matrix, 16, 0); }else{ // Move copies of the image around one pixel at the time and merge them with weight // according to the matrix. The same matrix is simply repeated for higher radii. for ($i = 0; $i < $radius; $i++) { imagecopy ($imgBlur, $this->getImageHandler(), 0, 0, 1, 0, $w - 1, $h); // left imagecopymerge ($imgBlur, $this->getImageHandler(), 1, 0, 0, 0, $w, $h, 50); // right imagecopymerge ($imgBlur, $this->getImageHandler(), 0, 0, 0, 0, $w, $h, 50); // center imagecopy ($imgCanvas, $imgBlur, 0, 0, 0, 0, $w, $h); imagecopymerge ($imgBlur, $imgCanvas, 0, 0, 0, 1, $w, $h - 1, 33.33333 ); // up imagecopymerge ($imgBlur, $imgCanvas, 0, 1, 0, 0, $w, $h, 25); // down } } if($threshold>0){ // Calculate the difference between the blurred pixels and the original // and set the pixels for ($x = 0; $x < $w-1; $x++) { // each row for ($y = 0; $y < $h; $y++) { // each pixel $rgbOrig = ImageColorAt($this->_imageHandler, $x, $y); $rOrig = (($rgbOrig >> 16) & 0xFF); $gOrig = (($rgbOrig >> 8) & 0xFF); $bOrig = ($rgbOrig & 0xFF); $rgbBlur = ImageColorAt($imgBlur, $x, $y); $rBlur = (($rgbBlur >> 16) & 0xFF); $gBlur = (($rgbBlur >> 8) & 0xFF); $bBlur = ($rgbBlur & 0xFF); // When the masked pixels differ less from the original // than the threshold specifies, they are set to their original value. $rNew = (abs($rOrig - $rBlur) >= $threshold) ? max(0, min(255, ($amount * ($rOrig - $rBlur)) + $rOrig)) : $rOrig; $gNew = (abs($gOrig - $gBlur) >= $threshold) ? max(0, min(255, ($amount * ($gOrig - $gBlur)) + $gOrig)) : $gOrig; $bNew = (abs($bOrig - $bBlur) >= $threshold) ? max(0, min(255, ($amount * ($bOrig - $bBlur)) + $bOrig)) : $bOrig; if (($rOrig != $rNew) || ($gOrig != $gNew) || ($bOrig != $bNew)){ $pixCol = ImageColorAllocate($this->_imageHandler, $rNew, $gNew, $bNew); ImageSetPixel($this->_imageHandler, $x, $y, $pixCol); } } } }else{ for ($x = 0; $x < $w; $x++) { // each row for ($y = 0; $y < $h; $y++) { // each pixel $rgbOrig = ImageColorAt($this->_imageHandler, $x, $y); $rOrig = (($rgbOrig >> 16) & 0xFF); $gOrig = (($rgbOrig >> 8) & 0xFF); $bOrig = ($rgbOrig & 0xFF); $rgbBlur = ImageColorAt($imgBlur, $x, $y); $rBlur = (($rgbBlur >> 16) & 0xFF); $gBlur = (($rgbBlur >> 8) & 0xFF); $bBlur = ($rgbBlur & 0xFF); $rNew = ($amount * ($rOrig - $rBlur)) + $rOrig; if($rNew>255){$rNew=255;} elseif($rNew<0){$rNew=0;} $gNew = ($amount * ($gOrig - $gBlur)) + $gOrig; if($gNew>255){$gNew=255;} elseif($gNew<0){$gNew=0;} $bNew = ($amount * ($bOrig - $bBlur)) + $bOrig; if($bNew>255){$bNew=255;} elseif($bNew<0){$bNew=0;} $rgbNew = ($rNew << 16) + ($gNew <<8) + $bNew; ImageSetPixel($this->_imageHandler, $x, $y, $rgbNew); } } } return true; } /** * createErrorImage * * Aplica o efeito de unSharp Mask em _imageHandler * * @param (string) $text * @return (void) * @access private */ private function createErrorImage($text) { $this->createImage(200, 30); $bg = imagecolorallocate($this->_imageHandler, 255, 255, 255); $textcolor = imagecolorallocate($this->_imageHandler, 255, 0, 0); imagestring($this->_imageHandler, 2, 0, 0, $text, $textcolor); $this->show(); exit; } /** * __destructor * * Aplica as rotinas de shutdown da classe * * @return (void) * @access public */ public function __destructor() { $this->clear(); } /** * clear(); * * Limpa todos os atributos da classe * * @return (void) * @access public */ public function clear() { @imagedestroy($this->_imageHandler); $this->_imageHandler = null; $this->_bgColorRed = null; $this->_bgColorGreen = null; $this->_bgColorBlue = null; $this->_quality = null; $this->_format = null; $this->_formatAllow = null; $this->_formatOutPut = null; }}?>