<?php setWater('img/999.jpg','',"for:小梅 为什么放弃治疗!",'105,0,0',2,'FZLBJW.TTF','text',24); /* $imgSrc:目标图片,可带相对目录地址, $markImg:水印图片,可带相对目录地址,支持PNG和GIF两种格式,如水印图片在执行文件mark目录下,可写成:mark/mark.gif $markText:给图片添加的水印文字 $TextColor:水印文字的字体颜色 $markPos:图片水印添加的位置,取值范围:0~9 0:随机位置,在1~8之间随机选取一个位置 1:顶部居左 2:顶部居中 3:顶部居右 4:左边居中 5:图片中心 6:右边居中 7:底部居左 8:底部居中 9:底部居右 $fontType:具体的字体库,可带相对目录地址 $markType:图片添加水印的方式,img代表以图片方式,text代表以文字方式添加水印 $fontSize: 字体大小 */ function setWater($imgSrc,$markImg,$markText,$TextColor,$markPos,$fontType,$markType,$fontSize) { $srcInfo = @getimagesize($imgSrc); $srcImg_w = $srcInfo[0]; $srcImg_h = $srcInfo[1]; switch ($srcInfo[2]) { case 1: $srcim =imagecreatefromgif($imgSrc); break; case 2: $srcim =imagecreatefromjpeg($imgSrc); break; case 3: $srcim =imagecreatefrompng($imgSrc); break; default: die("不支持的图片文件类型"); exit; } if(!strcmp($markType,"img")) { if(!file_exists($markImg) || empty($markImg)) { return; } $markImgInfo = @getimagesize($markImg); $markImg_w = $markImgInfo[0]; $markImg_h = $markImgInfo[1]; if($srcImg_w < $markImg_w || $srcImg_h < $markImg_h) { return; } switch ($markImgInfo[2]) { case 1: $markim =imagecreatefromgif($markImg); break; case 2: $markim =imagecreatefromjpeg($markImg); break; case 3: $markim =imagecreatefrompng($markImg); break; default: die("不支持的水印图片文件类型"); exit; } $logow = $markImg_w; $logoh = $markImg_h; } if(!strcmp($markType,"text")) { // $fontSize = 16; if(!empty($markText)) { if(!file_exists($fontType)) { return; } } else { return; } $box = @imagettfbbox($fontSize, 0, $fontType,$markText); $logow = max($box[2], $box[4]) - min($box[0], $box[6]); $logoh = max($box[1], $box[3]) - min($box[5], $box[7]); } if($markPos == 0) { $markPos = rand(1, 9); } switch($markPos) { case 1: $x = +5; $y = +5; break; case 2: $x = ($srcImg_w - $logow) / 2; $y = +5+45; break; case 3: $x = $srcImg_w - $logow - 5; $y = +15; break; case 4: $x = +5; $y = ($srcImg_h - $logoh) / 2; break; case 5: $x = ($srcImg_w - $logow) / 2; $y = ($srcImg_h - $logoh) / 2; break; case 6: $x = $srcImg_w - $logow - 5; $y = ($srcImg_h - $logoh) / 2; break; case 7: $x = +5; $y = $srcImg_h - $logoh - 5; break; case 8: $x = ($srcImg_w - $logow) / 2; $y = $srcImg_h - $logoh - 5; break; case 9: $x = $srcImg_w - $logow - 5; $y = $srcImg_h - $logoh -5; break; default: echo ("此位置不支持"); exit; } $dst_img = @imagecreatetruecolor($srcImg_w, $srcImg_h); imagecopy ( $dst_img, $srcim, 0, 0, 0, 0, $srcImg_w, $srcImg_h); if(!strcmp($markType,"img")) { imagecopy($dst_img, $markim, $x, $y, 0, 0, $logow, $logoh); imagedestroy($markim); } if(!strcmp($markType,"text")) { $rgb = explode(',', $TextColor); $color = imagecolorallocate($dst_img, $rgb[0], $rgb[1], $rgb[2]); imagettftext($dst_img, $fontSize, 0, $x, $y, $color, $fontType,$markText); } switch ($srcInfo[2]) { case 1: // imagegif($dst_img, $imgSrc); header("content-type: image/gif"); imagegif($dst_img); break; case 2: // imagejpeg($dst_img, $imgSrc); header("content-type: image/jpeg"); imagejpeg($dst_img); break; case 3: // imagepng($dst_img, $imgSrc); header("content-type: image/png"); imagepng($dst_img); break; default: die("不支持的水印图片文件类型"); exit; } imagedestroy($dst_img); imagedestroy($srcim); } ?>