以下为引用的内容: <?PHP //$backFile: 背景图 //$copyFile: 待拷贝的图 //$resultFile: 生成文件保存地址 //$copyToX: 拷贝到背景图上的X坐标 //$copyToY: 拷贝到背景图上的Y坐标 //$copyToWidth: 把待拷贝的图变为多宽 //$copyToHeight: 把待拷贝的图变为多高 function ImgMerge($backFile,$copyFile,$resultFile,$copyToX,$copyToY,$copyToWidth,$copyToHeight) { //如果文件名后缀不是"PNG"则返回"" if (GetFileUpperExt($backFile) != "PNG") return ""; //如果文件名后缀不是"PNG"则返回"" if (GetFileUpperExt($copyFile) != "PNG") return ""; $backImg = ImageCreateFromPng($backFile); //如果值没有设置,则返回"" if (!isset($backImg )) { return ""; } $backImgX = ImageSX($backImg); $backImgY = ImageSX($backImg); $copyImg = ImageCreateFromPng($copyFile); //如果值没有设置,则返回"" if (!isset($copyImg )) { return ""; } $copyResizeImg = ImageResize($copyImg,$copyToHeight); $bCopy = ImageCopy($backImg,$copyResizeImg,$copyToHeight); if (!$bCopy ) { return ""; } ImageAlphaBlending($backImg,true); ImageSaveAlpha($backImg,true); if (!ImagePng($backImg,$resultFile)) return ""; return $resultFile; } //获得传入文件的文件名 function GetFileUpperExt($fullFile) { if (!File_Exists($fullFile)) return ""; $pathInfo = PathInfo($fullFile ); return StrToUpper($pathInfo['extension']); } function ImageResize($rImage,$iWidth,$iHeight) { $iCanvas = ImageCreate($iWidth,$iHeight); $iWidthX = ImageSX($rImage); $iHeightY = ImageSY($rImage); ImageCopyResampled($iCanvas,$rImage,$iHeight,$iWidthX,$iHeightY); return $iCanvas; } ImgMerge("06.png","123.png","07.png",370,285,150,15); ?> |