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<?php |
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function wpWaterMarkPosition($point, $imgWidth, $imgHeight, $textWidth, $textLength, $lineHeight, $margin) { |
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$pointLeft = $margin; |
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$pointTop = $margin; |
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switch ($point) { |
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case 1: |
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$pointLeft = $margin; |
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$pointTop = $margin; |
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break; |
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case 2: |
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$pointLeft = floor(($imgWidth - $textWidth) / 2); |
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$pointTop = $margin; |
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break; |
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case 3: |
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$pointLeft = $imgWidth - $textWidth - $margin; |
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$pointTop = $margin; |
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break; |
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case 4: |
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$pointLeft = $margin; |
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$pointTop = floor(($imgHeight - $textLength * $lineHeight) / 2); |
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break; |
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case 5: |
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$pointLeft = floor(($imgWidth - $textWidth) / 2); |
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$pointTop = floor(($imgHeight - $textLength * $lineHeight) / 2); |
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break; |
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case 6: |
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$pointLeft = $imgWidth - $textWidth - $margin; |
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$pointTop = floor(($imgHeight - $textLength * $lineHeight) / 2); |
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break; |
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case 7: |
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$pointLeft = $margin; |
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$pointTop = $imgHeight - $textLength * $lineHeight - $margin; |
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break; |
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case 8: |
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$pointLeft = floor(($imgWidth - $textWidth) / 2); |
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$pointTop = $imgHeight - $textLength * $lineHeight - $margin; |
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break; |
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case 9: |
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$pointLeft = $imgWidth - $textWidth - $margin; |
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$pointTop = $imgHeight - $textLength * $lineHeight - $margin; |
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break; |
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} |
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return array('pointLeft' => $pointLeft, 'pointTop' => $pointTop); |
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} |
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function wpWaterMarkSetAngle ( $angle, $point, $position, $textWidth, $imgHeight ) { |
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if ($angle < 90) { |
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$diffTop = ceil(sin(deg2rad($angle)) * $textWidth); |
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|
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if (in_array($point, array(1, 2, 3))) { |
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$position['pointTop'] += $diffTop; |
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} elseif (in_array($point, array(4, 5, 6))) { |
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if ($textWidth > ceil($imgHeight / 2)) { |
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$position['pointTop'] += ceil(($textWidth - $imgHeight / 2) / 2); |
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} |
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} |
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} elseif ($angle > 270) { |
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$diffTop = ceil(sin(deg2rad(360 - $angle)) * $textWidth); |
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|
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if (in_array($point, array(7, 8, 9))) { |
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$position['pointTop'] -= $diffTop; |
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} elseif (in_array($point, array(4, 5, 6))) { |
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if ($textWidth > ceil($imgHeight / 2)) { |
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$position['pointTop'] = ceil(($imgHeight - $diffTop) / 2); |
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} |
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} |
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} |
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return $position; |
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} |
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function wpwatermark_hex2rgb($hexColor) { |
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$color = str_replace('#', '', $hexColor); |
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if (strlen($color) > 3) { |
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$rgb = array( |
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'r' => hexdec(substr($color, 0, 2)), |
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'g' => hexdec(substr($color, 2, 2)), |
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'b' => hexdec(substr($color, 4, 2)) |
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); |
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} else { |
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$color = $hexColor; |
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$r = substr($color, 0, 1) . substr($color, 0, 1); |
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$g = substr($color, 1, 1) . substr($color, 1, 1); |
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$b = substr($color, 2, 1) . substr($color, 2, 1); |
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$rgb = array( |
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'r' => hexdec($r), |
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'g' => hexdec($g), |
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'b' => hexdec($b) |
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); |
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} |
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return $rgb['r'].','.$rgb['g'].','.$rgb['b']; |
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} |
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function wpWaterMarkCreateWordsWatermark($imgurl, $newimgurl, $text, $margin='30', $fontSize = '14', $color = '#790000', $point = '1', $font = 'simhei.ttf', $angle = '0', $watermark_margin = '80' ) |
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{ |
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$margin = intval($margin); |
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$angle = intval($angle); |
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$watermark_margin = intval($watermark_margin); |
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$imageCreateFunArr = array( |
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'image/jpeg' => 'imagecreatefromjpeg', 'image/png' => 'imagecreatefrompng', 'image/gif' => 'imagecreatefromgif' |
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); |
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$imageOutputFunArr = array('image/jpeg' => 'imagejpeg', 'image/png' => 'imagepng', 'image/gif' => 'imagegif'); |
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$imgsize = getimagesize($imgurl); |
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if (empty($imgsize)) { return false; } |
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$imgWidth = $imgsize[0]; |
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$imgHeight = $imgsize[1]; |
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$imgMime = $imgsize['mime']; |
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if (!isset($imageCreateFunArr[$imgMime])) { return false; } |
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if (!isset($imageOutputFunArr[$imgMime])) { return false; } |
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$imageCreateFun = $imageCreateFunArr[$imgMime]; |
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$imageOutputFun = $imageOutputFunArr[$imgMime]; |
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$im = $imageCreateFun($imgurl); |
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$color = explode(',', wpwatermark_hex2rgb($color)); |
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$text_color = imagecolorallocate($im, intval($color[0]), intval($color[1]), intval($color[2])); |
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$point = intval($point) >= 0 && intval($point) <= 10 ? intval($point) : 1; |
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$fontSize = intval($fontSize) > 0 ? intval($fontSize) : 14; |
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$angle = ($angle >= 0 && $angle < 90 || $angle > 270 && $angle < 360) ? $angle : 0; |
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$fontUrl = plugin_dir_path( __FILE__ ) . 'fonts/' . ($font ? $font : 'alibaba.otf'); |
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$text = explode('|', $text); |
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$textLength = count($text) - 1; |
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$maxtext = 0; |
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foreach ($text as $val) { |
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$maxtext = strlen($val) > strlen($maxtext) ? $val : $maxtext; |
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} |
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$textSize = imagettfbbox($fontSize, 0, $fontUrl, $maxtext); |
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$textWidth = $textSize[2] - $textSize[1]; |
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$textHeight = $textSize[1] - $textSize[7]; |
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$lineHeight = $textHeight + 3; |
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if ($textWidth + 40 > $imgWidth || $lineHeight * $textLength + 40 > $imgHeight) { return false; } |
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if ($point == 10) { |
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$position = array('pointLeft' => $margin, 'pointTop' => $margin); |
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if ($angle != 0) { |
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$position = wpWaterMarkSetAngle($angle, $point, $position, $textWidth, $imgHeight); |
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} |
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$x_length = $imgWidth - $margin; |
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$y_length = $imgHeight - $margin; |
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for ($x = $position['pointLeft']; $x < $x_length; $x++ ) { |
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for ($y = $position['pointTop']; $y < $y_length; $y++) { |
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foreach ($text as $key => $val) { |
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imagettftext($im, $fontSize, $angle, $x, $y + $key * $lineHeight, $text_color, $fontUrl, $val); |
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} |
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$y += ($lineHeight * count($text) + $watermark_margin); |
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} |
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$x += ($textWidth + $watermark_margin); |
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} |
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} else { |
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if ( $point == 0 ) { |
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$point = mt_rand(1, 9); |
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} |
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$position = wpWaterMarkPosition($point, $imgWidth, $imgHeight, $textWidth, $textLength, $lineHeight, $margin); |
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if ($angle != 0) { |
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$position = wpWaterMarkSetAngle($angle, $point, $position, $textWidth, $imgHeight); |
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} |
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foreach ($text as $key => $val) { |
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imagettftext($im, $fontSize, $angle, $position['pointLeft'], $position['pointTop'] + $key * $lineHeight, $text_color, $fontUrl, $val); |
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} |
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} |
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if ( $imgMime == 'image/jpeg' ) { |
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$imageOutputFun($im, $newimgurl, 100); |
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} else { |
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$imageOutputFun($im, $newimgurl); |
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} |
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imagedestroy($im); |
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return $newimgurl; |
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} |
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function wpWaterMarkImageWatermarkPosition( $point, $imgWidth, $imgHeight, $stampWidth, $stampHeight, $margin ) |
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{ |
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$pointLeft = $margin; |
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$pointTop = $margin; |
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if ( $point == 0 ) { |
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$point = mt_rand(1, 9); |
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} |
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switch ( $point ) { |
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case 1: |
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$pointLeft = $margin; |
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$pointTop = $margin; |
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break; |
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case 2: |
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$pointLeft = floor(($imgWidth - $stampWidth) / 2); |
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$pointTop = $margin; |
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break; |
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case 3: |
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$pointLeft = $imgWidth - $stampWidth - $margin; |
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$pointTop = $margin; |
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break; |
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case 4: |
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$pointLeft = $margin; |
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$pointTop = floor(($imgHeight - $stampHeight) / 2); |
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break; |
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case 5: |
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$pointLeft = floor(($imgWidth - $stampWidth) / 2); |
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$pointTop = floor(($imgHeight - $stampHeight) / 2); |
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break; |
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case 6: |
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$pointLeft = $imgWidth - $stampWidth - $margin; |
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$pointTop = floor(($imgHeight - $stampHeight) / 2); |
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break; |
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case 7: |
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$pointLeft = $margin; |
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$pointTop = $imgHeight - $stampHeight - $margin; |
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break; |
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case 8: |
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$pointLeft = floor(($imgWidth - $stampWidth) / 2); |
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$pointTop = $imgHeight - $stampHeight - $margin; |
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break; |
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case 9: |
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$pointLeft = $imgWidth - $stampWidth - $margin; |
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$pointTop = $imgHeight - $stampHeight - $margin; |
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break; |
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} |
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return array('pointLeft' => $pointLeft, 'pointTop' => $pointTop); |
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} |
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function wpWaterMarkCreateImageWatermark( $img_url, $stamp_url, $newimgurl, $point, $pct='100', $margin='30', $watermark_margin = '80' ) |
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{ |
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$pct = intval($pct); |
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$margin = intval($margin); |
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$watermark_margin = intval($watermark_margin); |
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$imageCreateFunArr = array( |
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'image/jpeg' => 'imagecreatefromjpeg', 'image/png' => 'imagecreatefrompng', 'image/gif' => 'imagecreatefromgif' |
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); |
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$imageOutputFunArr = array('image/jpeg' => 'imagejpeg', 'image/png' => 'imagepng', 'image/gif' => 'imagegif'); |
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$im_size = getimagesize($img_url); |
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$stamp_size = getimagesize($stamp_url); |
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if ( empty($im_size) or empty($stamp_size) ) {return false;} |
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$imWidth = $im_size[0]; |
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$imHeight = $im_size[1]; |
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$imMime = $im_size['mime']; |
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$stampWidth = $stamp_size[0]; |
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$stampHeight = $stamp_size[1]; |
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$stampMime = $stamp_size['mime']; |
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if ( $imWidth < $stampWidth or $imHeight < $stampHeight ) {return false;} |
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if ( !isset($imageCreateFunArr[$imMime]) or !isset($imageCreateFunArr[$stampMime]) ) {return false;} |
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if ( !isset($imageOutputFunArr[$imMime]) ) {return false;} |
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$imCreateFun = $imageCreateFunArr[$imMime]; |
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$imOutputFun = $imageOutputFunArr[$imMime]; |
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$stampCreateFun = $imageCreateFunArr[$stampMime]; |
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$im = $imCreateFun($img_url); |
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$stamp = $stampCreateFun($stamp_url); |
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$tcStamp = imagecreatetruecolor($stampWidth, $stampHeight); |
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$point = intval($point) >= 0 && intval($point) <= 10 ? intval($point) : 1; |
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if ( $point == 10 ) { |
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$x_length = $imWidth - $margin; |
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$y_length = $imHeight - $margin; |
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for ($x = $margin; $x < $x_length; $x++ ) { |
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for ($y = $margin; $y < $y_length; $y++) { |
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imagecopy($tcStamp, $im, 0, 0, $x, $y, $stampWidth, $stampHeight); |
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imagecopy($tcStamp, $stamp, 0, 0, 0, 0, $stampWidth, $stampHeight); |
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imagecopymerge($im, $tcStamp, $x, $y, 0, 0, $stampWidth, $stampHeight, $pct); |
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$y += ($stampHeight + $watermark_margin); |
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} |
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$x += ($stampWidth + $watermark_margin); |
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} |
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} else { |
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$position = wpWaterMarkImageWatermarkPosition($point, $imWidth, $imHeight, $stampWidth, $stampHeight, $margin); |
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imagecopy($tcStamp, $im, 0, 0, $position['pointLeft'], $position['pointTop'], $stampWidth, $stampHeight); |
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imagecopy($tcStamp, $stamp, 0, 0, 0, 0, $stampWidth, $stampHeight); |
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imagecopymerge($im, $tcStamp, $position['pointLeft'], $position['pointTop'], 0, 0, $stampWidth, $stampHeight, $pct); |
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} |
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if ( $imMime == 'image/jpeg' ) { $imOutputFun($im, $newimgurl, 100); } else { $imOutputFun($im, $newimgurl); } |
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imagedestroy($im); |
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imagedestroy($stamp); |
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imagedestroy($tcStamp); |
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return $newimgurl; |
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} |
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|
