This article mainly introduces the code for generating ICO icons in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.
1, phpthumb_ico is the class that generates ICO icons
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, $y)); } }
2, background
introduces the class:
Yii::$enableIncludePath = false; Yii::import ( 'application.extensions.ico.phpthumb_ico', 1 );
solve the problem of generating black background
imagealphablending($resize_im, false);//Do not merge colors, directly replace with $im image color, including transparent color
imagesavealpha($resize_im, true);//Don’t lose the transparent color of $resize_im image
Complete method:
/** * icoMaker 在线生成ICO图标 * @author flashalliance */ public function actionIco() { $this->breadcrumbs=array_merge($this->breadcrumbs,array( 'ICO图标制作' )); $output = ""; $errors=array(); if(isset($_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']['size']>204800){ $errors[]="你上传的文件过大,最大不能超过200K。"; } $fileext = array("image/pjpeg","image/jpeg","image/gif","image/x-png","image/png"); if(!in_array($_FILES['upimage']['type'],$fileext)){ $errors[]="你上传的文件格式不正确,仅支持 png, jpg, gif格式。"; } if($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)){ $errors[]="图像格式错误!"; } if(empty($errors)){ 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); $size = 32; break; } imagesavealpha($im, true); imagealphablending($resize_im, false);//不合并颜色,直接用$im图像颜色替换,包括透明色 imagesavealpha($resize_im, true);//不要丢了$resize_im图像的透明色,解决生成黑色背景的问题 imagecopyresampled($resize_im,$im,0,0,0,0,$size,$size,$imginfo[0],$imginfo[1]); Yii::$enableIncludePath = false; Yii::import ( 'application.extensions.ico.phpthumb_ico', 1 ); $icon = new phpthumb_ico(); $gd_image_array = array($resize_im); $icon_data = $icon->GD2ICOstring($gd_image_array); $bas_path=dirname ( Yii::app ()->BasePath ); $bas_new_path=$bas_path.'/upload/ico/'; if(!is_dir($bas_new_path)){ mkdir($bas_new_path, 0777, true); } $filePath=$bas_new_path. date("Ymdhis").uniqid(). rand(1,1000) . ".ico"; if(file_put_contents($filePath, $icon_data)){ $output = str_replace($bas_path,'',$filePath); } } }else{ $errors[]="生成错误请重试!"; } } } $this->render ( 'ico',array('output'=>$output,'errors'=>$errors)); }
3, front desk
<p class="col-md-12"> <p class="form-horizontal panel panel-default margin-t-10 b-img"> <p class="panel-heading"> <p class="pull-left"><span class="g-bg glyphicon glyphicon-wrench margin-r-2" aria-hidden="true"></span>在线制作ICO图标</p> <p class="clearfix"></p> </p> <?php $form = $this->beginWidget ( 'CActiveForm', array ( 'id' => 'ico-form', 'htmlOptions' => array ( 'id' => 'view_table', 'class' => 'add-form padding-10', 'enctype'=>'multipart/form-data' ), 'action'=>'/tool/ico?action=make', 'enableAjaxValidation' => false ) ); ?> <p class="form-group"> <label class="col-lg-2 control-label">上传文件</label> <p class="col-md-5"> <p class="col-md-6"> <input id="upimage" type="file" name="upimage" class="hidden"> <input id="tmp_file" class="form-control" type="text"> </p> <p class="col-md-6"><a class="btn btn-default" onclick="$('input[id=upimage]').click();">选择文件</a></p> </p> </p> <p class="form-group"> <label class="col-lg-2 text-right">选择尺寸</label> <p class="col-lg-5 btn-group" data-toggle="buttons"> <label class="btn btn-sm btn-default"> <input type="radio" name="size" id="s1" value="1" checked="checked"> 16*16 </label> <label class="btn btn-sm btn-default"> <input type="radio" name="size" id="s2" value="2"> 32*32 </label> <label class="btn btn-sm btn-default"> <input type="radio" name="size" id="s3" value="3"> 48*48 </label> </p> </p> <p class="form-group"> <label class="col-lg-2 text-right">支持格式</label> <p class="col-lg-5"> png,jpg,gif </p> </p> <p class="list_back"> <input type="submit" value="生 成" class="btn btn-success"> </p> </p> <?php $this->endWidget(); ?> <?php if(!empty($errors) or !empty($output)):?> <p class="form-horizontal panel panel-default margin-t-10 b-img"> <p class="panel-heading margin-b-10"> <p class="pull-left"><span class="g-bg glyphicon glyphicon-wrench margin-r-2" aria-hidden="true"></span>生成结果</p> <p class="clearfix"></p> </p> <?php if(!empty($errors)):?> <p class="form-group"> <label class="col-lg-2 text-right">生成失败</label> <p class="col-lg-5"> <?php foreach ($errors as $e):?> <?php echo $e;?><br> <?php endforeach;?> </p> </p> <?php endif;?> <?PHP if (!empty($output)):?> <?php $form = $this->beginWidget ( 'CActiveForm', array ( 'id' => 'ico-form', 'htmlOptions' => array ( 'id' => 'view_table', 'class' => 'add-form padding-10', ), 'action'=>'/tool/icoDownload', 'enableAjaxValidation' => false ) ); ?> <?php echo CHtml::hiddenField('filePath',$output);?> <p class="form-group"> <label class="col-lg-2 text-right">成功生成</label> <p class="col-lg-5"> <img src="/static/imghwm/default1.png" data-src="<?php echo $output;? alt="PHP code to generate ICO icon" >" class="lazy" alt="在线制作ICO图标_favicon.ico" class="margin-r-10"> <input type="submit" value="立即下载" class="btn btn-sm btn-success margin-l-10"> </p> </p> <?php $this->endWidget(); ?> <?php endif;?> </p> <?php endif;?> </p> <!-- form -->
I will share with you an independent class
phpthumb.ico.php
<?php ////////////////////////////////////////////////////////////// /// phpThumb() by James Heinrich <info@silisoftware.com> // // available at http://phpthumb.sourceforge.net /// ////////////////////////////////////////////////////////////// /// // // phpthumb.ico.php - .ICO output format functions // // /// ////////////////////////////////////////////////////////////// class phpthumb_ico { function phpthumb_ico() { return true; } function GD2ICOstring(&$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)); } } ?>
index .php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>ico图标</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <body> <p class="center"> <?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(); } $fileext = array("image/pjpeg","image/gif","image/x-png","image/png","image/jpeg","image/jpg"); if(!in_array($_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)){ $output = "生成成功!请点右键->另存为 保存到本地<br><a href="/" mce_href="/""".$filename."/" target=/"_blank/">点击下载</a>"; } }else{ echo "生成错误请重试!"; } } } ?> <form action="index.php?action=make" method="post" enctype='multipart/form-data'> <table width="90%" align="center"> <tr> <td height="40"><h3 id="请上传你要转换成-a-nbsp-href-http-ico-sevem-cn-nbsp-mce-href-http-ico-sevem-cn-nbsp-target-blank-ico-a-的图片">请上传你要转换成.<a href="http://ico.sevem.cn" mce_href="http://ico.sevem.cn" target="_blank">ico</a>的图片</h3> 支持格式 png、jpg、gif在线转换成.<a href="http://ico.sevem.cn" mce_href="http://ico.sevem.cn" target="_blank">ico</a>图标。如何你想制作更丰富的.<a href="http://ico.sevem.cn" mce_href="http://ico.sevem.cn" target="_blank">ico</a>图标请<a href="#ico" mce_href="#ico">下载ICO制作软件</a></td> </tr> <tr> <td height="40"><input type="file" name="upimage" size="30">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 height="40" align="center"><input type="submit" style="width:150px; height:30px;" value="在线生成favicon.ico图标"></td> </tr> <?PHP if($output){ echo "<tr><td><p style="/" mce_style="/""border:1px solid #D8D8B2;background-color:#FFFFDD;padding:10px/">".$output."</p></td></tr>"; } ?> </table> <p style="display:none" mce_style="display:none"> <?php $doc = new DOMDocument(); $doc->load( 'http://link.qim.net.cn/xml.xml' ); $links = $doc->getElementsByTagName( "link" ); foreach( $links as $link ) { $publishers = $link->getElementsByTagName( "homepage" ); $homepage = $publishers->item(0)->nodeValue; $titles = $link->getElementsByTagName( "title" ); $title = $titles->item(0)->nodeValue; $contents = $link->getElementsByTagName( "content" ); $content = $contents->item(0)->nodeValue; echo "<a href="$homepage" mce_href="$homepage" title='$content' target='_blank' ></a>$title</a><br>"; } ?> </p> </form> </body> </html>
Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.
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