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Analyse de code sur la génération d'icônes ICO à l'aide de PHP basé sur le framework yii
- 不言original
- 2018-06-19 15:08:121812parcourir
Cet article partage avec vous deux codes php pour générer des icônes ICO. Le premier est basé sur le framework YII, et le second est écrit en php pur. Ils sont tous les deux très bons. Les amis dans le besoin peuvent s'y référer. 🎜>
1. phpthumb_ico est la classe qui génère les icônes ICO. Le code source est le suivantclass 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, $y));
}
}2. 🎜>Cours d'introduction :
Yii::$enableIncludePath = false; Yii::import ( 'application.extensions.ico.phpthumb_ico', 1 );Résoudre le problème de la génération d'un fond noirimagealphablending($resize_im, false);//Do ne pas fusionner les couleurs, utilisez $im directement Remplacement de la couleur de l'image, y compris la couleur transparente
imagesavealpha($resize_im, true);//Ne perdez pas la couleur transparente de l'image $resize_im
Méthode complète :
/**
* 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. Réception
<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 alt="在线制作ICO图标_favicon.ico" src="<?php echo $output;?>" class="margin-r-10">
<input type="submit" value="立即下载" class="btn btn-sm btn-success margin-l-10">
</p>
</p>
<?php $this->endWidget(); ?>
<?php endif;?>
</p>
<?php endif;?>
</p>
<!-- form -->Je partagerai avec vous un cours indépendant phpthumb.ico.php
<?php
//////////////////////////////////////////////////////////////
/// phpThumb() by James Heinrich <info@silisoftware.com> //
// available at http://phpthumb.sourceforge.net ///
//////////////////////////////////////////////////////////////
/// //
// phpthumb.ico.php - .ICO output format functions //
// ///
//////////////////////////////////////////////////////////////
class phpthumb_ico {
function phpthumb_ico() {
return true;
}
function GD2ICOstring(&$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>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>Ce qui précède représente l'intégralité du contenu de cet article, j'espère qu'il sera utile à l'apprentissage de chacun. Pour plus de contenu connexe, veuillez faire attention au site Web PHP chinois !
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