コード例 #1
0
ファイル: phpthumb.filters.php プロジェクト: exside/phpThumb
 public function WatermarkText(&$gdimg, $text, $size, $alignment, $hex_color = '000000', $ttffont = '', $opacity = 100, $margin = 5, $angle = 0, $bg_color = false, $bg_opacity = 0, $fillextend = '')
 {
     // text watermark requested
     if (!$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->phpThumbObject->getimagesizeinfo[0], '^Y' => $this->phpThumbObject->getimagesizeinfo[1], '^x' => ImageSX($gdimg), '^y' => ImageSY($gdimg), '^^' => '^');
     $text = strtr($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));
         $letter_color_text = phpthumb_functions::ImageHexColorAllocate($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);
             }
             $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 . ', ' . $line . ')', __FILE__, __LINE__);
                 ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y + $y_offset, $letter_color_text, $ttffont, $line);
                 $y_offset += $char_height;
             }
         }
         return true;
     } else {
         $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 = $margin;
                         break;
                     case 'BR':
                     default:
                         if (!empty($originOffsetX) || !empty($originOffsetY)) {
                             // absolute pixel positioning
                         } else {
                             $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;
 }
コード例 #2
0
 function WatermarkText(&$gdimg, $text, $size, $alignment, $hex_color = '000000', $ttffont = '', $opacity = 100, $margin = 5, $angle = 0, $bg_color = false, $bg_opacity = 0, $fillextend = '')
 {
     // text watermark requested
     if (!$text) {
         return false;
     }
     ImageAlphaBlending($gdimg, true);
     $metaTextArray = array('^Fb' => $this->phpThumbObject->getimagesizeinfo['filesize'], '^Fk' => round($this->phpThumbObject->getimagesizeinfo['filesize'] / 1024), '^Fm' => round($this->phpThumbObject->getimagesizeinfo['filesize'] / 1048576), '^X' => $this->phpThumbObject->getimagesizeinfo[0], '^Y' => $this->phpThumbObject->getimagesizeinfo[1], '^x' => ImageSX($gdimg), '^y' => ImageSY($gdimg), '^^' => '^');
     $text = strtr($text, $metaTextArray);
     $text = str_replace("\r\n", "\n", $text);
     $text = str_replace("\r", "\n", $text);
     $textlines = explode("\n", $text);
     if (@is_readable($ttffont) && is_file($ttffont)) {
         $opacity = 100 - intval(max(min($opacity, 100), 0));
         $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 - $char_min_y);
         switch ($alignment) {
             case 'T':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = $char_height + $margin;
                 break;
             case 'B':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin;
                 break;
             case 'L':
                 $text_origin_x = $margin;
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $char_height;
                 break;
             case 'R':
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $char_height;
                 break;
             case 'C':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $char_height;
                 break;
             case 'TL':
                 $text_origin_x = $margin;
                 $text_origin_y = $char_height + $margin;
                 break;
             case 'TR':
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = $char_height + $margin;
                 break;
             case 'BL':
                 $text_origin_x = $margin;
                 $text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin;
                 break;
             case 'BR':
             default:
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = ImageSY($gdimg) + $TTFbox[1] - $margin;
                 break;
         }
         $letter_color_text = phpthumb_functions::ImageHexColorAllocate($gdimg, $hex_color, false, $opacity * 1.27);
         if ($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 + $margin;
             }
         } else {
             //ImageRectangle($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);
             }
             $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 = eregi('x', $fillextend) ? 0 : min($x1, $x2);
             $y_TL = eregi('y', $fillextend) ? 0 : min($y1, $y2);
             $x_BR = eregi('x', $fillextend) ? ImageSX($gdimg) : max($x1, $x2);
             $y_BR = eregi('y', $fillextend) ? ImageSY($gdimg) : max($y1, $y2);
             //while ($y_BR > ImageSY($gdimg)) {
             //	$y_TL--;
             //	$y_BR--;
             //	$text_origin_y--;
             //}
             ImageFilledRectangle($gdimg, $x_TL, $y_TL, $x_BR, $y_BR, $text_color_background);
             ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y, $letter_color_text, $ttffont, $text);
         }
         return true;
     } else {
         $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);
             }
             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':
                     case 'T':
                     case 'B':
                         $x_offset = round(($text_width - ImageFontWidth($size) * strlen($line)) / 2);
                         break;
                     case 'L':
                     case 'TL':
                     case 'BL':
                         $x_offset = 0;
                         break;
                     case 'R':
                     case 'TR':
                     case 'BR':
                     default:
                         $x_offset = $text_width - ImageFontWidth($size) * strlen($line);
                         break;
                 }
                 ImageString($img_watermark, $size, $x_offset, $key * ImageFontHeight($size), $line, $text_color_watermark);
                 if ($angle && $img_watermark_mask) {
                     ImageString($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, $margin);
             ImageDestroy($img_watermark);
             return true;
         }
     }
     return false;
 }
コード例 #3
0
 function WatermarkText(&$gdimg, $text, $size, $alignment, $hex_color = '000000', $ttffont = '', $opacity = 100, $margin = 5, $angle = 0)
 {
     // text watermark requested
     if (!$text) {
         return false;
     }
     ImageAlphaBlending($gdimg, true);
     $text = str_replace("\r\n", "\n", $text);
     $text = str_replace("\r", "\n", $text);
     $textlines = explode("\n", $text);
     if (@is_readable($ttffont) && is_file($ttffont)) {
         $opacity = 100 - intval(max(min($opacity, 100), 0));
         $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, 'pH');
         $char_min_y = min($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 - $char_min_y);
         switch ($alignment) {
             case 'T':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = $char_height + $margin;
                 break;
             case 'B':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = ImageSY($gdimg) - $TTFbox[1] - $margin;
                 break;
             case 'L':
                 $text_origin_x = $margin;
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $char_height;
                 break;
             case 'R':
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $char_height;
                 break;
             case 'C':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $char_height;
                 break;
             case 'TL':
                 $text_origin_x = $margin;
                 $text_origin_y = $char_height + $margin;
                 break;
             case 'TR':
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = $char_height + $margin;
                 break;
             case 'BL':
                 $text_origin_x = $margin;
                 $text_origin_y = ImageSY($gdimg) - $TTFbox[1] - $margin;
                 break;
             case 'BR':
             default:
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = ImageSY($gdimg) - $TTFbox[1] - $margin;
                 break;
         }
         $letter_color_text = phpthumb_functions::ImageHexColorAllocate($gdimg, $hex_color, false, $opacity * 1.27);
         if ($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 + $margin;
             }
         } else {
             //ImageRectangle($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, $letter_color_text);
             ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y, $letter_color_text, $ttffont, $text);
         }
         return true;
         //if ($img_watermark = phpthumb_functions::ImageCreateFunction($text_width, $text_height)) {
         //	if ($img_watermark_mask = phpthumb_functions::ImageCreateFunction($text_width, $text_height)) {
         //		$letter_color_background      = phpthumb_functions::ImageColorAllocateAlphaSafe($img_watermark,      127, 127, 127, 127);
         //		$letter_color_background_mask = phpthumb_functions::ImageColorAllocateAlphaSafe($img_watermark_mask, 127, 127, 127, 127);
         //		ImageFilledRectangle($img_watermark,      0, 0, ImageSX($img_watermark),      ImageSY($img_watermark),      $letter_color_background);
         //		ImageFilledRectangle($img_watermark_mask, 0, 0, ImageSX($img_watermark_mask), ImageSY($img_watermark_mask), $letter_color_background_mask);
         //
         //		$letter_color_watermark = phpthumb_functions::ImageHexColorAllocate($img_watermark, $hex_color);
         //		$letter_color_watermark_mask = ImageColorAllocate($img_watermark_mask, 255, 255, 255);
         //
         //		ImageTTFtext($img_watermark,      $size, $angle, $TTFbox[0] - $min_x + round($size * 0.25), $TTFbox[1] - $min_y,  $letter_color_watermark,      $ttffont, $text);
         //		ImageTTFtext($img_watermark_mask, $size, $angle, $TTFbox[0] - $min_x + round($size * 0.25), $TTFbox[1] - $min_y, -$letter_color_watermark_mask, $ttffont, $text);
         //
         //		$this->ApplyMask($img_watermark_mask, $img_watermark);
         //		$this->WatermarkOverlay($gdimg, $img_watermark, $alignment, $opacity, $margin);
         //
         //		ImageDestroy($img_watermark);
         //		ImageDestroy($img_watermark_mask);
         //		return true;
         //	}
         //}
     } else {
         $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 $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);
             $text_color_background = phpthumb_functions::ImageColorAllocateAlphaSafe($img_watermark, 255, 255, 255, 127);
             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':
                     case 'T':
                     case 'B':
                         $x_offset = round(($text_width - ImageFontWidth($size) * strlen($line)) / 2);
                         break;
                     case 'L':
                     case 'TL':
                     case 'BL':
                         $x_offset = 0;
                         break;
                     case 'R':
                     case 'TR':
                     case 'BR':
                     default:
                         $x_offset = $text_width - ImageFontWidth($size) * strlen($line);
                         break;
                 }
                 ImageString($img_watermark, $size, $x_offset, $key * ImageFontHeight($size), $line, $text_color_watermark);
                 if ($angle && $img_watermark_mask) {
                     ImageString($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, $margin);
             ImageDestroy($img_watermark);
             return true;
         }
     }
     return false;
 }
コード例 #4
0
 function WatermarkText(&$gdimg, $text, $size, $alignment, $hex_color = '000000', $ttffont = '', $opacity = 100, $margin = 5, $angle = 0)
 {
     // text watermark requested
     if (!$text) {
         return false;
     }
     $opacity = max(min($opacity, 100), 0);
     if (@is_readable($ttffont) && is_file($ttffont)) {
         $TTFbox = ImageTTFbBox($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 - $min_y);
         switch ($alignment) {
             case 'T':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = $text_height + $margin;
                 break;
             case 'B':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = ImageSY($gdimg) - $text_height + $TTFbox[1] - $min_y - $margin;
                 break;
             case 'L':
                 $text_origin_x = $margin;
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $text_height;
                 break;
             case 'R':
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $text_height;
                 break;
             case 'C':
                 $text_origin_x = round((ImageSX($gdimg) - $text_width) / 2);
                 $text_origin_y = round((ImageSY($gdimg) - $text_height) / 2) + $text_height;
                 break;
             case 'TL':
                 $text_origin_x = $margin;
                 $text_origin_y = $text_height + $margin;
                 break;
             case 'TR':
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = $text_height + $margin;
                 break;
             case 'BL':
                 $text_origin_x = $margin;
                 $text_origin_y = ImageSY($gdimg) - $text_height + $TTFbox[1] - $min_y - $margin;
                 break;
             case 'BR':
             default:
                 $text_origin_x = ImageSX($gdimg) - $text_width + $TTFbox[0] - $min_x + round($size * 0.25) - $margin;
                 $text_origin_y = ImageSY($gdimg) - $text_height + $TTFbox[1] - $min_y - $margin;
                 break;
         }
         $letter_color_text = phpthumb_functions::ImageHexColorAllocate($gdimg, $hex_color, $opacity * 1.27);
         if ($alignment == '*') {
             $text_origin_y = $text_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 + $margin;
             }
         } else {
             ImageTTFtext($gdimg, $size, $angle, $text_origin_x, $text_origin_y, $letter_color_text, $ttffont, $text);
         }
         return true;
         //if ($img_watermark = phpthumb_functions::ImageCreateFunction($text_width, $text_height)) {
         //	if ($img_watermark_mask = phpthumb_functions::ImageCreateFunction($text_width, $text_height)) {
         //		$letter_color_background      = ImageColorAllocateAlpha($img_watermark,      127, 127, 127, 127);
         //		$letter_color_background_mask = ImageColorAllocateAlpha($img_watermark_mask, 127, 127, 127, 127);
         //		ImageFilledRectangle($img_watermark,      0, 0, ImageSX($img_watermark),      ImageSY($img_watermark),      $letter_color_background);
         //		ImageFilledRectangle($img_watermark_mask, 0, 0, ImageSX($img_watermark_mask), ImageSY($img_watermark_mask), $letter_color_background_mask);
         //
         //		$letter_color_watermark = phpthumb_functions::ImageHexColorAllocate($img_watermark, $hex_color);
         //		$letter_color_watermark_mask = ImageColorAllocate($img_watermark_mask, 255, 255, 255);
         //
         //		ImageTTFtext($img_watermark,      $size, $angle, $TTFbox[0] - $min_x + round($size * 0.25), $TTFbox[1] - $min_y,  $letter_color_watermark,      $ttffont, $text);
         //		ImageTTFtext($img_watermark_mask, $size, $angle, $TTFbox[0] - $min_x + round($size * 0.25), $TTFbox[1] - $min_y, -$letter_color_watermark_mask, $ttffont, $text);
         //
         //		$this->ApplyMask($img_watermark_mask, $img_watermark);
         //		$this->WatermarkOverlay($gdimg, $img_watermark, $alignment, $opacity, $margin);
         //
         //		ImageDestroy($img_watermark);
         //		ImageDestroy($img_watermark_mask);
         //		return true;
         //	}
         //}
     } else {
         if ($ttffont) {
             //$this->DebugMessage('Using built-in font for text watermark because $ttffont !is_readable('.$ttffont.')', __FILE__, __LINE__);
         }
         $size = min(5, max(1, $size));
         $text_width = ImageFontWidth($size) * strlen($text);
         $text_height = ImageFontHeight($size);
         if ($img_watermark = phpthumb_functions::ImageCreateFunction($text_width, $text_height)) {
             ImageAlphaBlending($img_watermark, false);
             $text_color_background = ImageColorAllocateAlpha($img_watermark, 255, 255, 255, 127);
             ImageFilledRectangle($img_watermark, 0, 0, ImageSX($img_watermark), ImageSY($img_watermark), $text_color_background);
             $text_color_watermark = phpthumb_functions::ImageHexColorAllocate($img_watermark, $hex_color);
             ImageString($img_watermark, $size, 0, 0, $text, $text_color_watermark);
             if ($angle) {
                 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);
                     ImageString($img_watermark_mask, $size, 0, 0, $text, $mask_color_watermark);
                     $img_watermark = ImageRotate($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, $margin);
             ImageDestroy($img_watermark);
             return true;
         }
     }
     return false;
 }