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Upgrade PHP thumb and watermarks for images added
This commit is contained in:
CaMer0n
424
e107_handlers/phpthumb/thumb_plugins/gd_watermarkttf.inc.php
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424
e107_handlers/phpthumb/thumb_plugins/gd_watermarkttf.inc.php
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@@ -0,0 +1,424 @@
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<?php
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/**
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* GD Watermark Lib Plugin Definition File
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*
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* This file contains the plugin definition for GD Watermark
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* Usage:
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* <?php
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* require_once 'path/to/ThumbLib.inc.php';
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* $pic = PhpThumbFactory::create('path/to/pic/destination');
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* $watermark = PhpThumbFactory::create('path/to/watermark/destination');
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*
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* //overlays the $pic-image with the $watermark-image on the right bottom corner, no offset
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* $pic->addWatermark($watermark, 'rightBottom', 50, 0, 0);
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* $pic->show(); //or $pic->save('path/to/new/pic/destination');
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* ?>
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*
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* PHP Version 5 with GD 2.0+
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* PhpThumb : PHP Thumb Library <http://phpthumb.gxdlabs.com>
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* Copyright (c) 2009, Ian Selby/Gen X Design
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*
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* Author(s): Ian Selby <ian@gen-x-design.com>
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*
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* Licensed under the MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @author Cameron @ e107inc
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* @copyright e107 Inc.
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* @link http://www.e107.org
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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* @version 1.0
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* @package PhpThumb
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* @filesource
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*/
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/**
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* GD Watermark Lib Plugin
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*
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* Overlays an image with another image to create a watermark-effect
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*
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* @package PhpThumb
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* @subpackage Plugins
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*/
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class GdWatermarkTTF
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{
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protected $parentInstance;
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protected $currentDimensions;
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protected $workingImage;
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protected $newImage;
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protected $options;
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private function DebugMessage($val)
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{
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// echo $val."<br />";
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}
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private function shadow_text($im, $size, $angle, $x, $y, $font, $text,$opacity=100)
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{
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$black = imagecolorallocatealpha($im, 0, 0, 0, $opacity);
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$white = imagecolorallocatealpha($im, 255, 255, 255, $opacity);
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imagettftext($im, $size, 0, $x + 1, $y + 1, $black, $font, $text);
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imagettftext($im, $size, 0, $x + 0, $y + 1, $black, $font, $text);
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imagettftext($im, $size, 0, $x + 0, $y + 0, $white, $font, $text);
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}
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// Taken from http://phpthumb.sourceforge.net/index.php?source=phpthumb.filters.php
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// public function WatermarkText($text, $size=12, $alignment='BR', $hex_color='000000', $ttffont='', $opacity=100, $margin=5, $angle=0, $bg_color=false, $bg_opacity=0, $fillextend='', &$that)
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public function WatermarkText($parms, &$that)
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{
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$text = $parms[0];
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$size = $parms[1];
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$alignment = $parms[2];
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$hex_color = $parms[3];
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$ttffont = $parms[4];
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$opacity = (isset($parms[5])) ? $parms[5] : 100;
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$margin = 30; // (isset($parms[6])) ? $parms[6] : 25;
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$angle = 0; // $parms['angle'];
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$bg_color = false;
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$bg_opacity = 0;
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$fillextend = '';
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$this->parentInstance = $that;
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$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
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$this->workingImage = $this->parentInstance->getWorkingImage();
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$this->newImage = $this->parentInstance->getOldImage();
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$this->options = $this->parentInstance->getOptions();
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$gdimg = $this->workingImage;
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// text watermark requested
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if (!$text) {
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return false;
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}
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ImageAlphaBlending($gdimg, true);
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if (preg_match('#^([0-9\\.\\-]*)x([0-9\\.\\-]*)(@[LCR])?$#i', $alignment, $matches)) {
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$originOffsetX = intval($matches[1]);
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$originOffsetY = intval($matches[2]);
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$alignment = (@$matches[4] ? $matches[4] : 'L');
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$margin = 0;
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} else {
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$originOffsetX = 0;
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$originOffsetY = 0;
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}
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$metaTextArray = array(
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'^Fb' => $this->phpThumbObject->getimagesizeinfo['filesize'],
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'^Fk' => round($this->phpThumbObject->getimagesizeinfo['filesize'] / 1024),
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'^Fm' => round($this->phpThumbObject->getimagesizeinfo['filesize'] / 1048576),
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'^X' => $this->currentDimensions['width'], //$this->phpThumbObject->getimagesizeinfo[0],
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'^Y' => $this->currentDimensions['height'], // $this->phpThumbObject->getimagesizeinfo[1],
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'^x' => ImageSX($gdimg),
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'^y' => ImageSY($gdimg),
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'^^' => '^',
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);
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$this->DebugMessage("Margin: ".$margin);
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$this->DebugMessage("Dimensions: ".$this->currentDimensions['width']." X ".$this->currentDimensions['height']);
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$text = strtr($text, $metaTextArray);
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$text = str_replace("\r\n", "\n", $text);
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$text = str_replace("\r", "\n", $text);
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$textlines = explode("\n", $text);
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$this->DebugMessage('Processing '.count($textlines).' lines of text', __FILE__, __LINE__);
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if (@is_readable($ttffont) && is_file($ttffont)) {
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$opacity = 100 - intval(max(min($opacity, 100), 0));
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// $letter_color_text = imagecolorallocate($gdimg,0,0,0);
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$letter_color_text = imagecolorallocatealpha($gdimg,0,0,0,$opacity);
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// $letter_color_text = ImageHexColorAllocate($gdimg, $hex_color, false, $opacity * 1.27);
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$this->DebugMessage('Using TTF font "'.$ttffont.'"', __FILE__, __LINE__);
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$TTFbox = ImageTTFbBox($size, $angle, $ttffont, $text);
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$min_x = min($TTFbox[0], $TTFbox[2], $TTFbox[4], $TTFbox[6]);
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$max_x = max($TTFbox[0], $TTFbox[2], $TTFbox[4], $TTFbox[6]);
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//$text_width = round($max_x - $min_x + ($size * 0.5));
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$text_width = round($max_x - $min_x);
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$min_y = min($TTFbox[1], $TTFbox[3], $TTFbox[5], $TTFbox[7]);
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$max_y = max($TTFbox[1], $TTFbox[3], $TTFbox[5], $TTFbox[7]);
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//$text_height = round($max_y - $min_y + ($size * 0.5));
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$text_height = round($max_y - $min_y);
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$TTFboxChar = ImageTTFbBox($size, $angle, $ttffont, 'jH');
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$char_min_y = min($TTFboxChar[1], $TTFboxChar[3], $TTFboxChar[5], $TTFboxChar[7]);
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$char_max_y = max($TTFboxChar[1], $TTFboxChar[3], $TTFboxChar[5], $TTFboxChar[7]);
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$char_height = round($char_max_y - $char_min_y);
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if ($alignment == '*') {
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$text_origin_y = $char_height + $margin;
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while (($text_origin_y - $text_height) < ImageSY($gdimg)) {
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$text_origin_x = $margin;
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while ($text_origin_x < ImageSX($gdimg)) {
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ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y, $letter_color_text, $ttffont, $text);
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$text_origin_x += ($text_width + $margin);
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}
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$text_origin_y += ($text_height + $margin);
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}
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} else {
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// this block for background color only
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switch ($alignment) {
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case '*':
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// handled separately
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break;
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case 'T':
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$text_origin_x = ($originOffsetX ? $originOffsetX - round($text_width / 2) : round((ImageSX($gdimg) - $text_width) / 2));
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$text_origin_y = $char_height + $margin + $originOffsetY;
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break;
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case 'B':
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$text_origin_x = ($originOffsetX ? $originOffsetX - round($text_width / 2) : round((ImageSX($gdimg) - $text_width) / 2));
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$text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin + $originOffsetY;
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break;
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case 'L':
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$text_origin_x = $margin + $originOffsetX;
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$text_origin_y = ($originOffsetY ? $originOffsetY : round((ImageSY($gdimg) - $text_height) / 2) + $char_height);
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break;
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case 'R':
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$text_origin_x = ($originOffsetX ? $originOffsetX - $text_width : ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin);
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$text_origin_y = ($originOffsetY ? $originOffsetY : round((ImageSY($gdimg) - $text_height) / 2) + $char_height);
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break;
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case 'C':
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$text_origin_x = ($originOffsetX ? $originOffsetX - round($text_width / 2) : round((ImageSX($gdimg) - $text_width) / 2));
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$text_origin_y = ($originOffsetY ? $originOffsetY : round((ImageSY($gdimg) - $text_height) / 2) + $char_height);
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break;
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case 'TL':
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$text_origin_x = $margin + $originOffsetX;
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$text_origin_y = $char_height + $margin + $originOffsetY;
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break;
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case 'TR':
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$text_origin_x = ($originOffsetX ? $originOffsetX - $text_width : ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin);
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$text_origin_y = $char_height + $margin + $originOffsetY;
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break;
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case 'BL':
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$text_origin_x = $margin + $originOffsetX;
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$text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin + $originOffsetY;
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break;
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case 'BR':
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default:
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$text_origin_x = ($originOffsetX ? $originOffsetX - $text_width : ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin);
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$text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin + $originOffsetY;
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break;
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}
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//ImageRectangle($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, $letter_color_text);
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/* if (phpthumb_functions::IsHexColor($bg_color)) {
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$text_background_alpha = round(127 * ((100 - min(max(0, $bg_opacity), 100)) / 100));
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$text_color_background = phpthumb_functions::ImageHexColorAllocate($gdimg, $bg_color, false, $text_background_alpha);
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} else {
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$text_color_background = phpthumb_functions::ImageHexColorAllocate($gdimg, 'FFFFFF', false, 127);
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}
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*/
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$text_color_background = imagecolorallocatealpha($gdimg,0,0,0,0);
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$x1 = $text_origin_x + $min_x;
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$y1 = $text_origin_y + $TTFbox[1];
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$x2 = $text_origin_x + $min_x + $text_width;
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$y2 = $text_origin_y + $TTFbox[1] - $text_height;
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$x_TL = preg_match('#x#i', $fillextend) ? 0 : min($x1, $x2);
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$y_TL = preg_match('#y#i', $fillextend) ? 0 : min($y1, $y2);
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$x_BR = preg_match('#x#i', $fillextend) ? ImageSX($gdimg) : max($x1, $x2);
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$y_BR = preg_match('#y#i', $fillextend) ? ImageSY($gdimg) : max($y1, $y2);
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//while ($y_BR > ImageSY($gdimg)) {
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// $y_TL--;
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// $y_BR--;
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// $text_origin_y--;
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//}
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$this->DebugMessage('WatermarkText() calling ImageFilledRectangle($gdimg, '.$x_TL.', '.$y_TL.', '.$x_BR.', '.$y_BR.', $text_color_background)', __FILE__, __LINE__);
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// ImageFilledRectangle($gdimg, $x_TL, $y_TL, $x_BR, $y_BR, $text_color_background);
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// end block for background color only
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|
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$y_offset = 0;
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foreach ($textlines as $dummy => $line) {
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$TTFboxLine = ImageTTFbBox($size, $angle, $ttffont, $line);
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$min_x_line = min($TTFboxLine[0], $TTFboxLine[2], $TTFboxLine[4], $TTFboxLine[6]);
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$max_x_line = max($TTFboxLine[0], $TTFboxLine[2], $TTFboxLine[4], $TTFboxLine[6]);
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||||||
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//$text_width = round($max_x - $min_x + ($size * 0.5));
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$text_width_line = round($max_x_line - $min_x_line);
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||||||
|
|
||||||
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$min_y_line = min($TTFboxLine[1], $TTFboxLine[3], $TTFboxLine[5], $TTFboxLine[7]);
|
||||||
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$max_y_line = max($TTFboxLine[1], $TTFboxLine[3], $TTFboxLine[5], $TTFboxLine[7]);
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||||||
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//$text_height = round($max_y - $min_y + ($size * 0.5));
|
||||||
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$text_height_line = round($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) - $text_width_line) / 2));
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 'R':
|
||||||
|
case 'TR':
|
||||||
|
case 'BR':
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||||||
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$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');
|
||||||
Reference in New Issue
Block a user