在线生成favicon.ico或ico图标源码

2024-05-04 23:00:21

字体：大中小

来源：转载

供稿：网友

php在线生成ico文件源代码.

favicon图标介绍

favicon.ico一般用于作为缩略的网站标志,它显示位于浏览器的地址栏或者在标签上,用于显示网站的logo,如图红圈的位置，目前主要的浏览器都支持favicon.ico图标.

以下是index.php源代码
<?php
$output = "";
if(isset($_get[’action’])&&$_get[’action’] == ’make’){
    if(isset($_files[’upimage’][’tmp_name’]) && $_files[’upimage’][’tmp_name’] && is_uploaded_file($_files[’upimage’][’tmp_name’])){
        if($_files[’upimage’][’type’]>210000){
            echo "你上传的文件体积超过了限制最大不能超过200k";
            exit();
        }
        $fileext = array("image/pjpeg","image/gif","image/x-png");
        if(!in_array($_files[’upimage’][’type’],$fileext)){
            echo "你上传的文件格式不正确仅支持 jpg，gif，png";
            exit();
        }
        if($im = @imagecreatefrompng($_files[’upimage’][’tmp_name’]) or $im = @imagecreatefromgif($_files[’upimage’][’tmp_name’]) or $im = @imagecreatefromjpeg($_files[’upimage’][’tmp_name’])){
            $imginfo = @getimagesize($_files[’upimage’][’tmp_name’]);
            if(!is_array($imginfo)){
                echo "图形格式错误！";
            }
            switch($_post[’size’]){
                case 1;
                    $resize_im = @imagecreatetruecolor(16,16);
                    $size = 16;
                    break;
                case 2;
                    $resize_im = @imagecreatetruecolor(32,32);
                    $size = 32;
                    break;
                case 3;
                    $resize_im = @imagecreatetruecolor(48,48);
                    $size = 48;
                    break;
                default;
                    $resize_im = @imagecreatetruecolor(32,32);
                    $size = 32;
                    break;
            }
            imagecopyresampled($resize_im,$im,0,0,0,0,$size,$size,$imginfo[0],$imginfo[1]);
            include "phpthumb.ico.php";
            $icon = new phpthumb_ico();
            $gd_image_array = array($resize_im);
            $icon_data = $icon->gd2icostring($gd_image_array);
            $filename = "temp/".date("ymdhis").rand(1,1000).".ico";
            if(file_put_contents($filename, $icon_data)){
                $output = "生成成功！请点右键->另存为保存到本地<br><a href=/"".$filename."/" target=/"_blank/">点击下载</a>";
            }
        }else{
            echo "生成错误请重试！";
        }
    }
}
?>
<html>
<head>
<title>ico图标在线转换</title>
<style>
body{background-color:#fff;color:#000000;font-family:arial;margin:30px;font-size:12px;}
table{border:0}
td{line-height:16px;}
label{cursor:hand;}
</style>
</head>
<body>
<h1>ico图标在线转换</h1>
<form action="?action=make" method="post" enctype=’multipart/form-data’>
<table>
    <tr>
        <td><b>请上传你要转换的图片</b><br>支持格式 png，jpg，gif</td>
    </tr>
    <tr>
        <td><input type="file" name="upimage" size="30"></td>
    </tr>
    <tr>
        <td>目标尺寸：
        <input type="radio" name="size" value="1" id="s1"><label for="s1">16*16</label>
        <input type="radio" name="size" value="2" id="s2" checked><label for="s2">32*32</label>
        <input type="radio" name="size" value="3" id="s3"><label for="s3">48*48</label>
        </td>
    </tr>
    <tr>
        <td align="right"><input type="submit" value="生　成"></td>
    </tr>
    <?php
    if($output){
        echo "<tr><td><div style=/"border:1px solid #d8d8b2;background-color:#ffffdd;padding:10px/">".$output."</div></td></tr>";
    }
    ?>
    <tr>
        <td><div >powered by <a href="http://veryim.com" >非常爱漫</a> </div></td>
    </tr>
</table>
</form>
</body>
</html>

以下是phpthumb.ico.php源代码：
<?php
//////////////////////////////////////////////////////////////
///  phpthumb() by james heinrich <[email protected]>   //
//        available at http://phpthumb.sourceforge.net     ///
//////////////////////////////////////////////////////////////
///                                                         //
// phpthumb.ico.php - .ico output format functions          //
//                                                         ///
//////////////////////////////////////////////////////////////
class phpthumb_ico {
    function phpthumb_ico() {
        return true;
    }
    function gd2icostring(&$gd_image_array) {
        foreach ($gd_image_array as $key => $gd_image) {
            $imagewidths[$key]  = imagesx($gd_image);
            $imageheights[$key] = imagesy($gd_image);
            $bpp[$key]          = imageistruecolor($gd_image) ? 32 : 24;
            $totalcolors[$key]  = imagecolorstotal($gd_image);
            $icxor[$key] = ’’;
            for ($y = $imageheights[$key] - 1; $y >= 0; $y--) {
                for ($x = 0; $x < $imagewidths[$key]; $x++) {
                    $argb = $this->getpixelcolor($gd_image, $x, $y);
                    $a = round(255 * ((127 - $argb[’alpha’]) / 127));
                    $r = $argb[’red’];
                    $g = $argb[’green’];
                    $b = $argb[’blue’];
                    if ($bpp[$key] == 32) {
                        $icxor[$key] .= chr($b).chr($g).chr($r).chr($a);
                    } elseif ($bpp[$key] == 24) {
                        $icxor[$key] .= chr($b).chr($g).chr($r);
                    }
                    if ($a < 128) {
                        @$icandmask[$key][$y] .= ’1’;
                    } else {
                        @$icandmask[$key][$y] .= ’0’;
                    }
                }
                // mask bits are 32-bit aligned per scanline
                while (strlen($icandmask[$key][$y]) % 32) {
                    $icandmask[$key][$y] .= ’0’;
                }
            }
            $icand[$key] = ’’;
            foreach ($icandmask[$key] as $y => $scanlinemaskbits) {
                for ($i = 0; $i < strlen($scanlinemaskbits); $i += 8) {
                    $icand[$key] .= chr(bindec(str_pad(substr($scanlinemaskbits, $i, 8), 8, ’0’, str_pad_left)));
                }
            }
        }
        foreach ($gd_image_array as $key => $gd_image) {
            $bisizeimage = $imagewidths[$key] * $imageheights[$key] * ($bpp[$key] / 8);
            // bitmapinfoheader - 40 bytes
            $bitmapinfoheader[$key]  = ’’;
            $bitmapinfoheader[$key] .= "/x28/x00/x00/x00";                              // dword  bisize;
            $bitmapinfoheader[$key] .= $this->littleendian2string($imagewidths[$key], 4);      // long   biwidth;
            // the biheight member specifies the combined
            // height of the xor and and masks.
            $bitmapinfoheader[$key] .= $this->littleendian2string($imageheights[$key] * 2, 4); // long   biheight;
            $bitmapinfoheader[$key] .= "/x01/x00";                                      // word   biplanes;
               $bitmapinfoheader[$key] .= chr($bpp[$key])."/x00";                          // wbitcount;
            $bitmapinfoheader[$key] .= "/x00/x00/x00/x00";                              // dword  bicompression;
            $bitmapinfoheader[$key] .= $this->littleendian2string($bisizeimage, 4);            // dword  bisizeimage;
            $bitmapinfoheader[$key] .= "/x00/x00/x00/x00";                              // long   bixpelspermeter;
            $bitmapinfoheader[$key] .= "/x00/x00/x00/x00";                              // long   biypelspermeter;
            $bitmapinfoheader[$key] .= "/x00/x00/x00/x00";                              // dword  biclrused;
            $bitmapinfoheader[$key] .= "/x00/x00/x00/x00";                              // dword  biclrimportant;
        }
        $icondata  = "/x00/x00";                                      // idreserved;   // reserved (must be 0)
        $icondata .= "/x01/x00";                                      // idtype;       // resource type (1 for icons)
        $icondata .= $this->littleendian2string(count($gd_image_array), 2);  // idcount;      // how many images?
        $dwimageoffset = 6 + (count($gd_image_array) * 16);
        foreach ($gd_image_array as $key => $gd_image) {
            // icondirentry   identries[1]; // an entry for each image (idcount of ’em)
            $icondata .= chr($imagewidths[$key]);                     // bwidth;          // width, in pixels, of the image
            $icondata .= chr($imageheights[$key]);                    // bheight;         // height, in pixels, of the image
            $icondata .= chr($totalcolors[$key]);                     // bcolorcount;     // number of colors in image (0 if >=8bpp)
            $icondata .= "/x00";                                      // breserved;       // reserved ( must be 0)
            $icondata .= "/x01/x00";                                  // wplanes;         // color planes
            $icondata .= chr($bpp[$key])."/x00";                      // wbitcount;       // bits per pixel
            $dwbytesinres = 40 + strlen($icxor[$key]) + strlen($icand[$key]);
            $icondata .= $this->littleendian2string($dwbytesinres, 4);       // dwbytesinres;    // how many bytes in this resource?
            $icondata .= $this->littleendian2string($dwimageoffset, 4);      // dwimageoffset;   // where in the file is this image?
            $dwimageoffset += strlen($bitmapinfoheader[$key]);
            $dwimageoffset += strlen($icxor[$key]);
            $dwimageoffset += strlen($icand[$key]);
        }
        foreach ($gd_image_array as $key => $gd_image) {
            $icondata .= $bitmapinfoheader[$key];
            $icondata .= $icxor[$key];
            $icondata .= $icand[$key];
        }
        return $icondata;
    }
    function littleendian2string($number, $minbytes=1) {
        $intstring = ’’;
        while ($number > 0) {
            $intstring = $intstring.chr($number & 255);
            $number >>= 8;
        }
        return str_pad($intstring, $minbytes, "/x00", str_pad_right);
    }
    function getpixelcolor(&$img, $x, $y) {
        if (!is_resource($img)) {
            return false;
        }
        return @imagecolorsforindex($img, @imagecolorat($img, $x, $y));
    }
}
?>

上一篇：一个用于网站用户管理的函数库(原作者：tim_perdue)

下一篇：PHP在类中获得当前class名称