addWatermark($watermark, 'rightBottom', 50, 0, 0); * $pic->show(); //or $pic->save('path/to/new/pic/destination'); * ?> * * PHP Version 5 with GD 2.0+ * PhpThumb : PHP Thumb Library * Copyright (c) 2009, Ian Selby/Gen X Design * * Author(s): Ian Selby * * Licensed under the MIT License * Redistributions of files must retain the above copyright notice. * * @author Cameron @ e107inc * @copyright e107 Inc. * @link http://www.e107.org * @license http://www.opensource.org/licenses/mit-license.php The MIT License * @version 1.0 * @package PhpThumb * @filesource */ /** * GD Watermark Lib Plugin * * Overlays an image with another image to create a watermark-effect * * @package PhpThumb * @subpackage Plugins */ class GdWatermarkTTF { protected $parentInstance; protected $currentDimensions; protected $workingImage; protected $newImage; protected $options; protected $parms; private function DebugMessage($val) { // echo $val."
"; } private function shadow_text($im, $size, $angle, $x, $y, $font, $text,$opacity=100) { $col = $this->hex2rgb($this->parms['color']); $scol = $this->hex2rgb($this->parms['shadowcolor']); $shadowcolor = imagecolorallocatealpha($im, $scol[0], $scol[1], $scol[2], $opacity); $white = imagecolorallocatealpha($im, $col[0], $col[1], $col[2], $opacity); // imagefilter($shadowcolor, IMG_FILTER_GAUSSIAN_BLUR); imagefilter($shadowcolor, IMG_FILTER_SELECTIVE_BLUR); imagettftext($im, $size, 0, $x + 1, $y + 1, $shadowcolor, $font, $text); imagettftext($im, $size, 0, $x -1, $y + 1, $shadowcolor, $font, $text); imagettftext($im, $size, 0, $x + 0, $y + 0, $white, $font, $text); } private function hex2rgb($hex) { $hex = str_replace("#", "", $hex); if(strlen($hex) == 3) { $r = hexdec(substr($hex,0,1).substr($hex,0,1)); $g = hexdec(substr($hex,1,1).substr($hex,1,1)); $b = hexdec(substr($hex,2,1).substr($hex,2,1)); } else { $r = hexdec(substr($hex,0,2)); $g = hexdec(substr($hex,2,2)); $b = hexdec(substr($hex,4,2)); } $rgb = array($r, $g, $b); //return implode(",", $rgb); // returns the rgb values separated by commas return $rgb; // returns an array with the rgb values } // Taken from http://phpthumb.sourceforge.net/index.php?source=phpthumb.filters.php // public function WatermarkText($text, $size=12, $alignment='BR', $hex_color='000000', $ttffont='', $opacity=100, $margin=5, $angle=0, $bg_color=false, $bg_opacity=0, $fillextend='', &$that) public function WatermarkText($parms, &$that) { $this->parms = $parms; $text = $parms['text']; $size = $parms['size']; $alignment = $parms['pos']; $hex_color = $parms['color']; $ttffont = $parms['font']; $opacity = (isset($parms['opacity'])) ? $parms['opacity'] : 100; $margin = $parms['margin']; // 30; // (isset($parms[6])) ? $parms[6] : 25; $angle = 0; // $parms['angle']; $bg_color = false; $bg_opacity = 0; $fillextend = ''; $this->parentInstance = $that; $this->currentDimensions = $this->parentInstance->getCurrentDimensions(); $this->workingImage = $this->parentInstance->getWorkingImage(); $this->newImage = $this->parentInstance->getOldImage(); $this->options = $this->parentInstance->getOptions(); $gdimg = $this->workingImage; // text watermark requested if (!$text) { return false; } ImageAlphaBlending($gdimg, true); if (preg_match('#^([0-9\\.\\-]*)x([0-9\\.\\-]*)(@[LCR])?$#i', $alignment, $matches)) { $originOffsetX = intval($matches[1]); $originOffsetY = intval($matches[2]); $alignment = (@$matches[4] ? $matches[4] : 'L'); $margin = 0; } else { $originOffsetX = 0; $originOffsetY = 0; } $metaTextArray = array( '^Fb' => $this->phpThumbObject->getimagesizeinfo['filesize'], '^Fk' => round($this->phpThumbObject->getimagesizeinfo['filesize'] / 1024), '^Fm' => round($this->phpThumbObject->getimagesizeinfo['filesize'] / 1048576), '^X' => $this->currentDimensions['width'], //$this->phpThumbObject->getimagesizeinfo[0], '^Y' => $this->currentDimensions['height'], // $this->phpThumbObject->getimagesizeinfo[1], '^x' => ImageSX($gdimg), '^y' => ImageSY($gdimg), '^^' => '^', ); $this->DebugMessage("Margin: ".$margin); $this->DebugMessage("Dimensions: ".$this->currentDimensions['width']." X ".$this->currentDimensions['height']); $text = strtr($text, $metaTextArray); $text = str_replace("\r\n", "\n", $text); $text = str_replace("\r", "\n", $text); $textlines = explode("\n", $text); $this->DebugMessage('Processing '.count($textlines).' lines of text', __FILE__, __LINE__); if (@is_readable($ttffont) && is_file($ttffont)) { $opacity = 100 - intval(max(min($opacity, 100), 0)); // $letter_color_text = imagecolorallocate($gdimg,0,0,0); $letter_color_text = imagecolorallocatealpha($gdimg,0,0,0,$opacity); // $letter_color_text = ImageHexColorAllocate($gdimg, $hex_color, false, $opacity * 1.27); $this->DebugMessage('Using TTF font "'.$ttffont.'"', __FILE__, __LINE__); $TTFbox = ImageTTFbBox($size, $angle, $ttffont, $text); $min_x = min($TTFbox[0], $TTFbox[2], $TTFbox[4], $TTFbox[6]); $max_x = max($TTFbox[0], $TTFbox[2], $TTFbox[4], $TTFbox[6]); //$text_width = round($max_x - $min_x + ($size * 0.5)); $text_width = round($max_x - $min_x); $min_y = min($TTFbox[1], $TTFbox[3], $TTFbox[5], $TTFbox[7]); $max_y = max($TTFbox[1], $TTFbox[3], $TTFbox[5], $TTFbox[7]); //$text_height = round($max_y - $min_y + ($size * 0.5)); $text_height = round($max_y - $min_y); $TTFboxChar = ImageTTFbBox($size, $angle, $ttffont, 'jH'); $char_min_y = min($TTFboxChar[1], $TTFboxChar[3], $TTFboxChar[5], $TTFboxChar[7]); $char_max_y = max($TTFboxChar[1], $TTFboxChar[3], $TTFboxChar[5], $TTFboxChar[7]); $char_height = round($char_max_y - $char_min_y); if ($alignment == '*') { $text_origin_y = $char_height + $margin; while (($text_origin_y - $text_height) < ImageSY($gdimg)) { $text_origin_x = $margin; while ($text_origin_x < ImageSX($gdimg)) { ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y, $letter_color_text, $ttffont, $text); $text_origin_x += ($text_width + $margin); } $text_origin_y += ($text_height + $margin); } } else { // this block for background color only switch ($alignment) { case '*': // handled separately break; case 'T': $text_origin_x = ($originOffsetX ? $originOffsetX - round($text_width / 2) : round((ImageSX($gdimg) - $text_width) / 2)); $text_origin_y = $char_height + $margin + $originOffsetY; break; case 'B': $text_origin_x = ($originOffsetX ? $originOffsetX - round($text_width / 2) : round((ImageSX($gdimg) - $text_width) / 2)); $text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin + $originOffsetY; break; case 'L': $text_origin_x = $margin + $originOffsetX; $text_origin_y = ($originOffsetY ? $originOffsetY : round((ImageSY($gdimg) - $text_height) / 2) + $char_height); break; case 'R': $text_origin_x = ($originOffsetX ? $originOffsetX - $text_width : ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin); $text_origin_y = ($originOffsetY ? $originOffsetY : round((ImageSY($gdimg) - $text_height) / 2) + $char_height); break; case 'C': $text_origin_x = ($originOffsetX ? $originOffsetX - round($text_width / 2) : round((ImageSX($gdimg) - $text_width) / 2)); $text_origin_y = ($originOffsetY ? $originOffsetY : round((ImageSY($gdimg) - $text_height) / 2) + $char_height); break; case 'TL': $text_origin_x = $margin + $originOffsetX; $text_origin_y = $char_height + $margin + $originOffsetY; break; case 'TR': $text_origin_x = ($originOffsetX ? $originOffsetX - $text_width : ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin); $text_origin_y = $char_height + $margin + $originOffsetY; break; case 'BL': $text_origin_x = $margin + $originOffsetX; $text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin + $originOffsetY; break; case 'BR': default: $text_origin_x = ($originOffsetX ? $originOffsetX - $text_width : ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin); $text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin + $originOffsetY; break; } //ImageRectangle($gdimg, $text_origin_x + $min_x, $text_origin_y + $TTFbox[1], $text_origin_x + $min_x + $text_width, $text_origin_y + $TTFbox[1] - $text_height, $letter_color_text); /* if (phpthumb_functions::IsHexColor($bg_color)) { $text_background_alpha = round(127 * ((100 - min(max(0, $bg_opacity), 100)) / 100)); $text_color_background = phpthumb_functions::ImageHexColorAllocate($gdimg, $bg_color, false, $text_background_alpha); } else { $text_color_background = phpthumb_functions::ImageHexColorAllocate($gdimg, 'FFFFFF', false, 127); } */ $text_color_background = imagecolorallocatealpha($gdimg,0,0,0,0); $x1 = $text_origin_x + $min_x; $y1 = $text_origin_y + $TTFbox[1]; $x2 = $text_origin_x + $min_x + $text_width; $y2 = $text_origin_y + $TTFbox[1] - $text_height; $x_TL = preg_match('#x#i', $fillextend) ? 0 : min($x1, $x2); $y_TL = preg_match('#y#i', $fillextend) ? 0 : min($y1, $y2); $x_BR = preg_match('#x#i', $fillextend) ? ImageSX($gdimg) : max($x1, $x2); $y_BR = preg_match('#y#i', $fillextend) ? ImageSY($gdimg) : max($y1, $y2); //while ($y_BR > ImageSY($gdimg)) { // $y_TL--; // $y_BR--; // $text_origin_y--; //} $this->DebugMessage('WatermarkText() calling ImageFilledRectangle($gdimg, '.$x_TL.', '.$y_TL.', '.$x_BR.', '.$y_BR.', $text_color_background)', __FILE__, __LINE__); // ImageFilledRectangle($gdimg, $x_TL, $y_TL, $x_BR, $y_BR, $text_color_background); // end block for background color only $y_offset = 0; foreach ($textlines as $dummy => $line) { $TTFboxLine = ImageTTFbBox($size, $angle, $ttffont, $line); $min_x_line = min($TTFboxLine[0], $TTFboxLine[2], $TTFboxLine[4], $TTFboxLine[6]); $max_x_line = max($TTFboxLine[0], $TTFboxLine[2], $TTFboxLine[4], $TTFboxLine[6]); //$text_width = round($max_x - $min_x + ($size * 0.5)); $text_width_line = round($max_x_line - $min_x_line); $min_y_line = min($TTFboxLine[1], $TTFboxLine[3], $TTFboxLine[5], $TTFboxLine[7]); $max_y_line = max($TTFboxLine[1], $TTFboxLine[3], $TTFboxLine[5], $TTFboxLine[7]); //$text_height = round($max_y - $min_y + ($size * 0.5)); $text_height_line = round($max_y_line - $min_y_line); switch ($alignment) { // $text_origin_y set above, just re-set $text_origin_x here as needed case 'L': case 'TL': case 'BL': // no change neccesary break; case 'C': case 'T': case 'B': $text_origin_x = ($originOffsetX ? $originOffsetX - round($text_width_line / 2) : round((ImageSX($gdimg) - $text_width_line) / 2)); break; case 'R': case 'TR': case 'BR': $text_origin_x = ($originOffsetX ? $originOffsetX - $text_width_line : ImageSX($gdimg) - $text_width_line + $TTFbox[0] - $min_x + round($size * 0.25) - $margin); break; } //ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y, $letter_color_text, $ttffont, $text); $this->DebugMessage('WatermarkText() calling ImageTTFtext($gdimg, '.$size.', '.$angle.', '.$text_origin_x.', '.($text_origin_y + $y_offset).', $letter_color_text, '.$ttffont.', '.$line.')', __FILE__, __LINE__); $this->shadow_text($gdimg, $size, $angle, $text_origin_x, $text_origin_y + $y_offset, $ttffont, $line,$opacity); // ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y + $y_offset, $letter_color_text, $ttffont, $line); $y_offset += $char_height; } } return $that; // return true; } else { //TODO FIX and Test. $size = min(5, max(1, $size)); $this->DebugMessage('Using built-in font (size='.$size.') for text watermark'.($ttffont ? ' because $ttffont !is_readable('.$ttffont.')' : ''), __FILE__, __LINE__); $text_width = 0; $text_height = 0; foreach ($textlines as $dummy => $line) { $text_width = max($text_width, ImageFontWidth($size) * strlen($line)); $text_height += ImageFontHeight($size); } if ($img_watermark = phpthumb_functions::ImageCreateFunction($text_width, $text_height)) { ImageAlphaBlending($img_watermark, false); if (phpthumb_functions::IsHexColor($bg_color)) { $text_background_alpha = round(127 * ((100 - min(max(0, $bg_opacity), 100)) / 100)); $text_color_background = phpthumb_functions::ImageHexColorAllocate($img_watermark, $bg_color, false, $text_background_alpha); } else { $text_color_background = phpthumb_functions::ImageHexColorAllocate($img_watermark, 'FFFFFF', false, 127); } $this->DebugMessage('WatermarkText() calling ImageFilledRectangle($img_watermark, 0, 0, '.ImageSX($img_watermark).', '.ImageSY($img_watermark).', $text_color_background)', __FILE__, __LINE__); ImageFilledRectangle($img_watermark, 0, 0, ImageSX($img_watermark), ImageSY($img_watermark), $text_color_background); if ($angle && function_exists('ImageRotate')) { // using $img_watermark_mask is pointless if ImageRotate function isn't available if ($img_watermark_mask = phpthumb_functions::ImageCreateFunction($text_width, $text_height)) { $mask_color_background = ImageColorAllocate($img_watermark_mask, 0, 0, 0); ImageAlphaBlending($img_watermark_mask, false); ImageFilledRectangle($img_watermark_mask, 0, 0, ImageSX($img_watermark_mask), ImageSY($img_watermark_mask), $mask_color_background); $mask_color_watermark = ImageColorAllocate($img_watermark_mask, 255, 255, 255); } } $text_color_watermark = phpthumb_functions::ImageHexColorAllocate($img_watermark, $hex_color); foreach ($textlines as $key => $line) { switch ($alignment) { case 'C': $x_offset = round(($text_width - (ImageFontWidth($size) * strlen($line))) / 2); $originOffsetX = (ImageSX($gdimg) - ImageSX($img_watermark)) / 2; $originOffsetY = (ImageSY($gdimg) - ImageSY($img_watermark)) / 2; break; case 'T': $x_offset = round(($text_width - (ImageFontWidth($size) * strlen($line))) / 2); $originOffsetX = (ImageSX($gdimg) - ImageSX($img_watermark)) / 2; $originOffsetY = $margin; break; case 'B': $x_offset = round(($text_width - (ImageFontWidth($size) * strlen($line))) / 2); $originOffsetX = (ImageSX($gdimg) - ImageSX($img_watermark)) / 2; $originOffsetY = ImageSY($gdimg) - ImageSY($img_watermark) - $margin; break; case 'L': $x_offset = 0; $originOffsetX = $margin; $originOffsetY = (ImageSY($gdimg) - ImageSY($img_watermark)) / 2; break; case 'TL': $x_offset = 0; $originOffsetX = $margin; $originOffsetY = $margin; break; case 'BL': $x_offset = 0; $originOffsetX = $margin; $originOffsetY = ImageSY($gdimg) - ImageSY($img_watermark) - $margin; break; case 'R': $x_offset = $text_width - (ImageFontWidth($size) * strlen($line)); $originOffsetX = ImageSX($gdimg) - ImageSX($img_watermark) - $margin; $originOffsetY = (ImageSY($gdimg) - ImageSY($img_watermark)) / 2; break; case 'TR': $x_offset = $text_width - (ImageFontWidth($size) * strlen($line)); $originOffsetX = ImageSX($gdimg) - ImageSX($img_watermark) - $margin; $originOffsetY = $margin; break; case 'BR': default: $x_offset = $text_width - (ImageFontWidth($size) * strlen($line)); $originOffsetX = ImageSX($gdimg) - ImageSX($img_watermark) - $margin; $originOffsetY = ImageSY($gdimg) - ImageSY($img_watermark) - $margin; break; } $this->DebugMessage('WatermarkText() calling ImageString($img_watermark, '.$size.', '.$x_offset.', '.($key * ImageFontHeight($size)).', '.$line.', $text_color_watermark)', __FILE__, __LINE__); ImageString($img_watermark, $size, $x_offset, $key * ImageFontHeight($size), $line, $text_color_watermark); if ($angle && $img_watermark_mask) { $this->DebugMessage('WatermarkText() calling ImageString($img_watermark_mask, '.$size.', '.$x_offset.', '.($key * ImageFontHeight($size)).', '.$text.', $mask_color_watermark)', __FILE__, __LINE__); ImageString($img_watermark_mask, $size, $x_offset, $key * ImageFontHeight($size), $text, $mask_color_watermark); } } if ($angle && $img_watermark_mask) { $img_watermark = ImageRotate($img_watermark, $angle, $text_color_background); $img_watermark_mask = ImageRotate($img_watermark_mask, $angle, $mask_color_background); phpthumb_filters::ApplyMask($img_watermark_mask, $img_watermark); } //phpthumb_filters::WatermarkOverlay($gdimg, $img_watermark, $alignment, $opacity, $margin); $this->DebugMessage('WatermarkText() calling phpthumb_filters::WatermarkOverlay($gdimg, $img_watermark, '.($originOffsetX.'x'.$originOffsetY).', '.$opacity.', 0)', __FILE__, __LINE__); phpthumb_filters::WatermarkOverlay($gdimg, $img_watermark, $originOffsetX.'x'.$originOffsetY, $opacity, 0); ImageDestroy($img_watermark); return true; } } return false; } } $pt = PhpThumb::getInstance(); $pt->registerPlugin('GdWatermarkTTF', 'gd');