<style>
body{}
a{display: inline-block;width:1px;height:1px;}
</style>
<?php
function createImFromFile($path){
if(!is_file($path)){
throw new Exception("File: $path not found!");
}
$info = getimagesize($path);
switch ($info[2]){
case 1:
//gif
$tim = imagecreatefromgif($path);
$w = imagesx($tim);
$h = imagesy($tim);
$im = imagecreatetruecolor( $w,$h );
imagecopy($im,$tim,0,0,0,0,$w,$h);
imagedestroy($tim);
break;
case 2:
//jpg
$im = imagecreatefromjpeg($path);
break;
case 3:
//png
$im = imagecreatefrompng($path);
break;
default:
throw new Exception("Not support file type.File:$path");
}
return $im;
}
$im = createImFromFile("d:\\aa.jpg");
$w = imagesx($im);
$h = imagesy($im);
$str = "<div>";
for($i = 0; $i < $h; $i++){
for($j = 0; $j <$w; $j++){
$rgb = str_pad(dechex(imagecolorat($im, $j, $i)), 6, "0", STR_PAD_LEFT);
$str .="<a style='background:#$rgb'></a>";
}
$str .= "</div>";
}
$str .= "</div>";
imagedestroy($im);
echo $str;
/*$rgb = ImageColorAt($im, 100, 100);
$r = ($rgb >> 16) & 0xFF;
$g = ($rgb >> 8) & 0xFF;
$b = $rgb & 0xFF;*/
?>
.NET 的：
protected string tmp = "";
protected void Page_Load(object sender , EventArgs e) {
Bitmap bm = new Bitmap("d:\\aa.jpg");
int w = bm.Width;
int h = bm.Height;
StringBuilder sb = new StringBuilder();
Color c;
sb.Append("<div>");
for( int i = 0 ; i < h ; i++ ) {
sb.Append("<div>");
for( int j = 0 ; j < w ; j++ ) {
c = bm.GetPixel(j,i);
sb.Append(string.Format("<a style='background:#{0}{1}{2}'></a>" , V(c.R) , V( c.G) , V(c.B)));
}
sb.Append("<div>");
}
sb.Append("</div>");
tmp = sb.ToString();
}
private string V( int v ) {
return string.Format("{0:X}" , v).PadLeft(2 , '0');
}
http://bugs.php.net/bug.php?id=40801
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