帝国CMS神器文章自动生成插件：自动生成文章标题和图片

<?php function dp_textPic($file, $title, $smalltext, $config) { $path = dirname(__FILE__) . '/'; $width = (int)$config['imgWidth']; $height = (int)$config['imgHeight']; $titleFont = $path . 'font/' . $config['titleFont']; if (!file_exists($titleFont)) { return false; } $introFont = $path . 'font/' . $config['introFont']; $bg_c_r = explode('|', $config['bgColor']); $bgColor = $bg_c_r[array_rand($bg_c_r, 1)]; $c1 = dp_str2rgb($bgColor); $fontColor = $config['color']; $isBorder = $config['border']; $borderColor = $config['lineColor']; $q = $config['q']; $padding = 20; $im = imagecreatetruecolor($width, $height); imagefill($im, 0, 0, imagecolorallocate($im, $c1['red'], $c1['green'], $c1['blue'])); if ($isBorder) { $c2 = dp_str2rgb($borderColor); $colorLine = imagecolorallocate($im, $c2['red'], $c2['green'], $c2['blue']); $im = dp_writeLine($im, $width, $height, $colorLine, $padding, 2); $padding += 8; $im = dp_writeLine($im, $width, $height, $colorLine, $padding, 1); } $lineHeight = 2; $fontSize = 30; $wrapSize = 14; $paddingTop = $padding + 30; $paddingLeft = $paddingTop; $r = dp_writeText($im, $wrapSize, $paddingTop, $paddingLeft, $lineHeight, $fontSize, $fontColor, $titleFont, $title, 2); $im = $r['im']; $lineNum = $r['num']; $water_w = 0; if ($config['waterPicPath']) { $waterImage = dp_getPic($path . $config['waterPicPath']); if ($waterImage) { $posX = $paddingLeft; $posY = $paddingTop + $lineNum * $fontSize * $lineHeight + 30; $water_w = 150; dp_waterPic($im, $waterImage, $posX, $posY, $water_w); } } if (file_exists($introFont) && $smalltext) { $lineHeight = 2.2; $fontSize = 22; $wrapSize = 14; $posX = $paddingLeft + $water_w + 25; $posY = $paddingTop + $lineNum * $fontSize * $lineHeight + 30 + $fontSize; $r = dp_writeText($im, $wrapSize, $posY, $posX, $lineHeight, $fontSize, $fontColor, $introFont, $smalltext, 5); $im = $r['im']; } imagejpeg($im, $file, $q); imagedestroy($im); return true; } function dp_getPic($path) { $hand = @opendir($path); $ar = array(); while (($file = @readdir($hand)) !== false) { $sfile = strtolower($file); if (strpos($sfile, '.png') === false) { continue; } $ar[] = $path . '/' . $file; } $num = count($ar); if ($num < 1) { return ''; } $key = rand(0, ($num - 1)); return $ar[array_rand($ar, 1)]; } function dp_waterPic($im, $waterImage, $posX, $posY, $water_w = 0, $water_h = 0) { $water_info = getimagesize($waterImage); if ($water_info[2] != 3) { return $im; } $w = $water_info[0]; $h = $water_info[1]; imagealphablending($im, true); $water_im = imagecreatefrompng($waterImage); if ($water_w != $w && $w) { if ($water_w) { $water_h = ceil(($h * $water_w) / $w); } else { if ($water_h) { $water_w = ceil(($water_h * $w) / $h); } } if (!$water_h && !$water_w) { $water_w = $w; $water_h = $h; } $new_water_im = imagecreatetruecolor($water_w, $water_h); imagealphablending($new_water_im, false); $color = imagecolorallocatealpha($new_water_im, 0, 0, 0, 127); imagefill($new_water_im, 0, 0, $color); imagesavealpha($new_water_im, true); imagecopyresampled($new_water_im, $water_im, 0, 0, 0, 0, $water_w, $water_h, $w, $h); } else { $new_water_im = $water_im; } imagecopy($im, $new_water_im, $posX, $posY, 0, 0, $water_w, $water_h); return $im; } function dp_writeText($im, $wrapSize, $paddingTop, $paddingLeft, $lineHeight, $fontSize, $fontColor, $fontStyle, $text, $maxLineNum) { $cr = dp_str2rgb($fontColor); $color = imagecolorallocate($im, $cr['red'], $cr['green'], $cr['blue']); $textArr = array(); $i = 0; $arr = dp_strDiv($text, $wrapSize); foreach ($arr as $v) { $textArr[] = $v; $i += 1; if ($i >= $maxLineNum) { break; } } $height = intval($fontSize * $lineHeight); foreach ($textArr as $k => $text) { $offset = $paddingTop + $height * ($k + 1) - intval(($height - $fontSize) / 2); imagettftext($im, $fontSize, 0, $paddingLeft, $offset, $color, $fontStyle, $text); } return array('im' => $im, 'num' => $i); } function dp_strDiv($str, $width = 10) { $strArr = array(); $len = strlen($str); $count = 0; $flag = 0; while ($flag < $len) { if (ord($str[$flag]) > 128) { $count += 1; $flag += 3; } else { $count += 0.5; $flag += 1; } if ($count >= $width) { $strArr[] = substr($str, 0, $flag); $str = substr($str, $flag); $len -= $flag; $count = 0; $flag = 0; } } $strArr[] = $str; return $strArr; } function dp_str2rgb($str) { $color = array('red' => 0, 'green' => 0, 'blue' => 0); $str = str_replace('#', '', $str); $len = strlen($str); if ($len == 6) { $arr = str_split($str, 2); $color['red'] = (int)base_convert($arr[0], 16, 10); $color['green'] = (int)base_convert($arr[1], 16, 10); $color['blue'] = (int)base_convert($arr[2], 16, 10); return $color; } if ($len == 3) { $arr = str_split($str, 1); $color['red'] = (int)base_convert($arr[0] . $arr[0], 16, 10); $color['green'] = (int)base_convert($arr[1] . $arr[1], 16, 10); $color['blue'] = (int)base_convert($arr[2] . $arr[2], 16, 10); return $color; } return $color; } function dp_imagelinethick($image, $x1, $y1, $x2, $y2, $color, $thick = 1) { if ($thick == 1) { return imageline($image, $x1, $y1, $x2, $y2, $color); } $t = $thick / 2 - 0.5; if ($x1 == $x2 || $y1 == $y2) { return imagefilledrectangle($image, round(min($x1, $x2) - $t), round(min($y1, $y2) - $t), round(max($x1, $x2) + $t), round(max($y1, $y2) + $t), $color); } $k = ($y2 - $y1) / ($x2 - $x1); //y = kx + q $a = $t / sqrt(1 + pow($k, 2)); $points = array( round($x1 - (1 + $k) * $a), round($y1 + (1 - $k) * $a), round($x1 - (1 - $k) * $a), round($y1 - (1 + $k) * $a), round($x2 + (1 + $k) * $a), round($y2 - (1 - $k) * $a), round($x2 + (1 - $k) * $a), round($y2 + (1 + $k) * $a), ); imagefilledpolygon($image, $points, 4, $color); return imagepolygon($image, $points, 4, $color); } function dp_writeLine($im, $canvasWidth, $canvasHeight, $colorLine, $padding, $lineWidth) { $d1_x = $padding; $d1_y = $padding; $d2_x = $canvasWidth - $padding; $d2_y = $padding; $d3_x = $padding; $d3_y = $canvasHeight - $padding; $d4_x = $canvasWidth - $padding; $d4_y = $canvasHeight - $padding; dp_imagelinethick($im, $d1_x, $d1_y, $d2_x, $d2_y, $colorLine, $lineWidth); dp_imagelinethick($im, $d3_x, $d3_y, $d4_x, $d4_y, $colorLine, $lineWidth); dp_imagelinethick($im, $d1_x, $d1_y, $d3_x, $d3_y, $colorLine, $lineWidth); dp_imagelinethick($im, $d2_x, $d2_y, $d4_x, $d4_y, $colorLine, $lineWidth); return $im; }