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showing 1-20 of 23 snipts for image
  • Hi Quality Image Resizing in C#.NET
    using System;
    using System.Drawing;
    using System.Drawing.Drawing2D;
    using System.Drawing.Imaging;
    using System.IO;
    
    public class ImageProcessing
    {
        public static Bitmap ResizeImage(Bitmap image, int pixelWidth, int pixelHeight, int compressionQuality)
        {
            // Bully compression quality in range 1 to 100
            if (compressionQuality < 1)
            {
                compressionQuality = 1;
            }
            if (compressionQuality > 100)
            {
                compressionQuality = 100;
            }
    
            Bitmap tempImage = new Bitmap(pixelWidth, pixelHeight, PixelFormat.Format32bppArgb);
            tempImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);
    
            Graphics g = Graphics.FromImage(tempImage);
            g.InterpolationMode = InterpolationMode.HighQualityBicubic;
            g.PixelOffsetMode = PixelOffsetMode.HighQuality;
            g.SmoothingMode = SmoothingMode.HighQuality;
    
            g.DrawImage(image,
                new Rectangle(0, 0, pixelWidth, pixelHeight),
                new Rectangle(0, 0, image.Width, image.Height),
                GraphicsUnit.Pixel);
            g.Dispose();
    
            ImageCodecInfo jpegCodec = null;
    
            foreach (ImageCodecInfo codec in ImageCodecInfo.GetImageEncoders())
            {
                if (codec.MimeType == "image/jpeg")
                {
                    jpegCodec = codec;
                }
            }
    
            EncoderParameters encoderParams = new EncoderParameters(1);
            EncoderParameter quality = new EncoderParameter(Encoder.Quality, (long)compressionQuality);
            encoderParams.Param[0] = quality;
    
            Stream imageStream = new MemoryStream();
            tempImage.Save(imageStream, jpegCodec, encoderParams);
    
            Bitmap finalImage = new Bitmap(imageStream);
    
            // Clean up resources
            g.Dispose();
            tempImage.Dispose();
    
            return finalImage;
        }
    }
    

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    0 comments - tagged in  posted by Sironfoot on Mar 04, 2010 at 7:52 p.m. EST
  • image link
    <? 
    $img_path = "/images/arr_leggi_blu.gif"; 
    $link_path = "node/47";
    $theme_name = 'pmsth';
    
    $img = theme('image',  drupal_get_path('theme', 'pmsth'). $img_path); 
    print l($img, $link_path, array('html' => true));
    
    ?>
    

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    0 comments - tagged in  posted by allaterza on Feb 06, 2010 at 6:24 a.m. EST
  • image
    <? 
    $path = "/images/arr_leggi_blu.gif"; 
    $theme_name = 'pmsth';
    
    print theme('image',  drupal_get_path('theme', $theme_name). $path);
    ?>
    

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    0 comments - tagged in  posted by allaterza on Feb 06, 2010 at 6:13 a.m. EST
  • ASCII image via PHP
    <?php
     
    function image2ascii( $image )
    {
        // return value
        $ret = '';
     
        // open the image
        $img = ImageCreateFromJpeg($image); 
     
        // get width and height
        $width = imagesx($img);
        $height = imagesy($img); 
     
        // loop for height
        for($h=0;$h<$height;$h++)
        {
            // loop for height
            for($w=0;$w<=$width;$w++)
            {
                // add color
                $rgb = ImageColorAt($img, $w, $h);
                $r = ($rgb >> 16) & 0xFF;
                $g = ($rgb >> <img src='http://www.sastgroup.com/wp-includes/images/smilies/icon_cool.gif' alt='8)' class='wp-smiley' /> & 0xFF;
                $b = $rgb & 0xFF;
                // create a hex value from the rgb
                $hex = '#'.str_pad(dechex($r), 2, '0', STR_PAD_LEFT).str_pad(dechex($g), 2, '0', STR_PAD_LEFT).str_pad(dechex($b), 2, '0', STR_PAD_LEFT);
     
                // now add to the return string and we are done
                if($w == $width)
                {
                    $ret .= '';
                }
                else
                {
                    $ret .= '<span style="color:'.$hex.';">#</span>';
                }
            }
        }
        return $ret;
    }
     
    //ESEMPIO APPLICATO
     
    // an image to convert
    $image = 'test.jpg';
     
    // do the conversion
    $ascii = image2ascii( $image );
     
    // and show the world
    echo $ascii; 
     
    ?>
    

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    0 comments - tagged in  posted by azote on Nov 03, 2009 at 4:24 a.m. EST
  • Random Image
    <?php
    
    $folder = 'images/';
    
    $extList = array();
    $extList['gif'] = 'image/gif';
    $extList['jpg'] = 'image/jpeg';
    $extList['jpeg'] = 'image/jpeg';
    $extList['png'] = 'image/png';
    
    $img = null;
    
    if (isset($_GET['img'])) {
    	$imageInfo = pathinfo($_GET['img']);
    
    	if (isset($extList[strtolower($imageInfo['extension'])]) && file_exists($folder.$imageInfo['basename']))
    		$img = $folder.$imageInfo['basename'];
    } else {
    	$fileList = array();
    	$handle = opendir($folder);
    
    	while (false !== ($file = readdir($handle))) {
    		$file_info = pathinfo($file);
    		if (isset( $extList[ strtolower( $file_info['extension'])])) {
    			$fileList[] = $file;
    		}
    	}
    	closedir($handle);
    
    	if (count($fileList) > 0) {
    		$imageNumber = time() % count($fileList);
    		$img = $folder.$fileList[$imageNumber];
    	}
    }
    
    if ($img!=null) {
    	$imageInfo = pathinfo($img);
    	$contentType = 'Content-type: '.$extList[ $imageInfo['extension'] ];
    	header($contentType);
    	readfile($img);
    } else {
    	if (function_exists('imagecreate')) {
    		header ("Content-type: image/png");
    		$im = @imagecreate (100, 100) or die ("Cannot initialize new GD image stream");
    		$background_color = imagecolorallocate ($im, 255, 255, 255);
    		$text_color = imagecolorallocate ($im, 0,0,0);
    		imagestring ($im, 2, 5, 5,  "IMAGE ERROR", $text_color);
    		imagepng ($im);
    		imagedestroy($im);
    	}
    }
    

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    0 comments - tagged in  posted by Sirupsen on Sep 24, 2009 at 3:13 p.m. EDT
  • Automatically resize an image to max width/height and keep aspect ratio.
            $image = "directory/imagename.ext"; // Location/name of image
            $max_width = "250"; // Max width to display image
            $max_height = "250"; // Max height to display image
             
            list($width, $height) = getimagesize($image);
            $scale = min($max_width/$width, $max_height/$height);
             
            if ($scale < '1') {
                $scale_width = floor($scale * $width);
                $scale_height = floor($scale * $height);
            } else {
                $scale_width = $width;
                $scale_height = $height;
            }
             
            echo "
            <img border=\"0\" src=\"directory/imagename.ext\" width=\"" . $scale_width . "\" height=\"" . $scale_height . "\" />";
    

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    0 comments - tagged in  posted by Webline on Aug 16, 2009 at 11:00 a.m. EDT
  • jQuery hover image swap
    <script type="text/javascript">
    $(function() {
        $("img.swap").hover(
            function () {
            	$(this).attr("src", $(this).attr("src").replace(/.jpg/, "_swap.jpg"));
    		$(this).attr("src", $(this).attr("src").replace(/.gif/, "_swap.gif"));			
            },
            function () {
            	$(this).attr("src", $(this).attr("src").replace(/_swap.jpg/, ".jpg"));
            	$(this).attr("src", $(this).attr("src").replace(/_swap.gif/, ".gif"));			
            }
        );
    });
    </script>
    

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    4 comments - tagged in  posted by 44sunsets on Jul 23, 2009 at 12:47 a.m. EDT
  • get image header information
    identify -verbose
    

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    0 comments - tagged in  posted by oz on Jun 24, 2009 at 2:14 p.m. EDT
  • Grab image files from directory
    <?php
    $files=glob("path/to/directory/*.jpg*", GLOB_NOSORT);
    
    $firstfile=reset($files);
    
    echo "<ul id=\"rotator\">\n";
    	foreach($files as $file){
    			if($firstfile==$file){
    				echo "\t<li class=\"show\"><a href=\"#\"><img src=\"".$file."\" width=\"\" height=\"\" alt=\"\" /></a></li>\n";
    			}else{
    				echo "\t<li><a href=\"#\"><img src=\"".$file."\" width=\"\" height=\"\" alt=\"\" /></a></li>\n";
    			}
    	}
    echo "</ul>\n";
    ?>
    

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    0 comments - tagged in  posted by dmoore on May 30, 2009 at 4:04 p.m. EDT
  • Fix for mir image replacement (IE6)
    .mir {letter-spacing : -1000em; text-indent : -999em; overflow : hidden;}
    

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    1 comment - tagged in  posted by nell on May 27, 2009 at 8:11 p.m. EDT
  • PNG transparent 1x1px generator
    <?php
    /*****************************************************************
     * Script for automatic generation of one pixel
     * alpha-transparent images for non-RGBA browsers.
     * @author Lea Verou
     * @version 1.0 beta
     * Licensed under a MIT license
     *****************************************************************/
    
    ######## SETTINGS ##############################################################
    
    /**
     * Enter the directory in which to store cached color images.
     * This should be relative and SHOULD contain a trailing slash.
     * The directory you specify should exist and be writeable (CHMOD 666 or 777).
     * If you want to store the pngs at the same directory, leave blank ('').
     */
    define('COLORDIR', 'rgba/');
    
    
    /**
     * If you requently use a color with varying alphas, you can name it
     * below, to save you some typing and make your CSS easier to read.
     */
    $color_names = array(
    	'white' => array(255,255,255),
    	'black' => array(0,0,0)
    	// , 'mycolor' => array(red value, green value, blue value)
    );
    
    
    /**
     * If you don't want the generated pngs to be stored in the server, set the following to
     * false. This is STRONGLY NOT RECOMMENDED. It's here only for testing/debugging purposes.
     */
    define('CACHEPNGS', true);
    
    
    
    ######## NO FURTHER EDITING, UNLESS YOU REALLY KNOW WHAT YOU'RE DOING ##########
    
    $dir = substr(COLORDIR,0,strlen(COLORDIR)-1);
    if(!is_writable($dir))
    {
    	die("The directory '$dir' either doesn't exist or isn't writable.");
    }
    
    $rgb = $color_names[$_GET['name']];
    
    $red	= is_array($rgb)? $rgb[0] : intval($_GET['r']);
    $green	= is_array($rgb)? $rgb[1] : intval($_GET['g']);
    $blue	= is_array($rgb)? $rgb[2] : intval($_GET['b']);
    $alphaurl = $_GET['a'];
    
    // "A value between 0 and 127. 0 indicates completely opaque while 127 indicates completely transparent."
    // http://www.php.net/manual/en/function.imagecolorallocatealpha.php
    $alpha = intval(127 - 127 * ($alphaurl / 100));
    
    // Does it already exist?
    $filepath = COLORDIR . "r{$red}_g{$green}_b{$blue}_a{$alphaurl}.png";
    
    if(/*CACHEPNGS and */file_exists($filepath))
    {
    $url = "http://{$_SERVER['HTTP_HOST']}/{$filepath}";
    header("Status: 301");
    die(header("Location: {$url}"));
    }
    else
    {
    	// Send headers
    header('Content-Type: image/png');
    header("Expires: ".gmdate("D, d M Y H:i:s", strtotime('+5 years'))." GMT"); 
    
    
    	$img = @imagecreatetruecolor(1,1) or die('Cannot Initialize new GD image stream');
    	
    	// This is to allow the final image to have actual transparency
    	// http://www.php.net/manual/en/function.imagesavealpha.php
    	imagealphablending($img, false);
    	imagesavealpha($img, true);
    	
    	// Allocate our requested color
    	$color = imagecolorallocatealpha($img, $red, $green, $blue, $alpha);
    	
    	// Fill the image with it
    	imagefill($img,0,0,$color);
    
        // Save the file
    	imagepng($img,$filepath,0,NULL);
    	
    	// Serve the file
    	imagepng($img);
    	flush();
    	
    	// Free up memory
    	imagedestroy($img);
    }
    ?>
    

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    0 comments - tagged in  posted by aidilfbk on May 25, 2009 at 7:49 a.m. EDT
  • Fullscreen image scaling using ActionScript 2
    import mx.transitions.Tween;
    import mx.transitions.easing.*;
    
    var stageListener:Object=new Object();
    stageListener.onResize=function(){
    	position();
    };
     
    Stage.align="TL";
    Stage.scaleMode="noScale";
    Stage.addListener(stageListener);
     
     
    function position() {
    	// Find new value of stage size
    	var W:Number = Stage.width;
    	var H:Number = Stage.height;
    	// Find center of stage  
    	var centerX:Number = W/2;
    	var centerY:Number = H/2;
    	background_mc._x = centerX;
    	background_mc._y = centerY;
    	background_mc.target_mc._x = -_global.BGW/2;
    	background_mc.target_mc._y = -_global.BGH/2;
    	var imageRatio:Number;
    	var imageXRatio = W/_global.BGW;
    	var imageYRatio = H/_global.BGH;
    	if (imageXRatio>imageYRatio) {
    		imageRatio = imageXRatio;
    	} else {
    		imageRatio = imageYRatio;
    	}
    	// Make the bg image go fullscreen
    	background_mc._xscale = background_mc._yscale=imageRatio*100;
    }
     
    // Function for smoothing resizable bitmaps
    function smoothImageLoad(imgURL, targetMovie) {
    	var i = 0;
    	do {
    		i++;
    	} while (eval("_root.smoothImageLoadTemp"+i) != undefined);
    	tmc = targetMovie.createEmptyMovieClip("smoothImageLoadTemp"+i, targetMovie.getNextHighestDepth());
    	tmc.createEmptyMovieClip("ti",tmc.getNextHighestDepth());
    	tmc.tm = targetMovie;
    	with (tmc) {
    		tmcl = new MovieClipLoader();
    		tmcl.onLoadComplete = function() {
    			var fadeBG:Tween = new Tween(targetMovie, "_alpha", None.easeOut, 0, 100, 1, true);
    			ti.onEnterFrame = function() {
    				pixelData = new flash.display.BitmapData(ti._width, ti._height);
    				_global.BGW = ti._width;
    				_global.BGH = ti._height;
    				pixelData.draw(ti);
    				tm.attachBitmap(pixelData,1,true,true);
    				tm.smoothImageLoadComplete();
    				_parent._parent._parent.position();
    				removeMovieClip(ti._parent);
    			};
    		};
    		tmcl.loadClip(imgURL,tmc.ti);
    	}
    }
    smoothImageLoad("image.jpg",background_mc.target_mc);
    

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    0 comments - tagged in  posted by abenson on Apr 03, 2009 at 11:17 a.m. EDT
  • RIMAGE - ImageMagick Hack with Mogrify
    #!/bin/bash
    #
    # /usr/bin/rimage: Cria thumbnails a partir de uma imagem png
    #
    # Criado por Lucas Salies Brum aka sistematico <sistematico@gmail.com>
    # Criado em -> 02/04/2009 @ 20:36:59 
    # Última atualização -> 02/04/2009 @ 21:12:58  
    
    if [ ! "$(ls *.png)" ]; then
    	echo "ERRO: Nenhum arquivo png encontrado!"
    	exit 0
    fi	
    
    if [ "$#" -lt 1 ]; then
        for arquivo in $( ls *.png )
        do
            let "num += 1"
            old=$arquivo
        	new=thumb-${arquivo}
        	cp $old $new
        	echo "Reduzindo $old para $new"
        	sleep 1
        	mogrify -resize 20% $new        	
        done
    elif [ "$(echo $1 | rev | cut -d . -f 1)" == "gnp" ]; then
       	if [ ! -f "$1" ]; then
        	echo "ERRO: O arquivo $1 não existe!"
       		exit 0
       	fi	
        old=$1
    	new=thumb-${1}
    	cp $old $new
    	echo "Reduzindo $old para $new"
    	sleep 1
    	mogrify -resize 20% $new
    else 
        echo "usage: rimage image.png"
        echo "or"
        echo "rimage"
        exit 0
    fi
    

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    0 comments - tagged in  posted by sistematico on Mar 26, 2009 at 10:48 p.m. EDT
  • Simple Image Loader
    var loader:MovieClipLoader = new MovieClipLoader();
    this.createEmptyMovieClip("MyImageContainer",1);
    loader.loadClip("image1.jpg",MyImageContainer);
    

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    0 comments - tagged in  posted by Pixelgroove on Mar 23, 2009 at 10:36 p.m. EDT
  • Image Rollover Borders
    /*Inner Borders*/
    #example-one a img, #example-one a { border: none; overflow: hidden; float: left; }
    #example-one a:hover { border: 3px solid black; }
    #example-one a:hover img { margin: -3px; }
    
    /*Outer Borders*/
    #example-two a img, #example-two a { border: none; float: left; }
    #example-two a { margin: 3px; }
    #example-two a:hover { outline: 3px solid black; }
    

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    0 comments - tagged in  posted by curosio on Mar 12, 2009 at 4:22 a.m. EDT
  • .Code.JavaScript.Core.Icon.Bare
    Icon=function(){
    	this.list=new Array();
    	this.root;
    	this.fold;
    	this.name;
    	this.type;
    	this.last;
    	this.load=function(){
    			for(var i=0;i<this.last;i++){
    				var j=i*6;
    				this.list[i]=new Image();
    				this.list[i].src=''+this.root+this.fold+j.toString()+this.name+'.'+this.type;
    			}
    	};
    	this.init=function(){
    		if(this.root&&this.fold&&this.name&&this.type&&this.last){
    			this.load();
    		}
    	}
    	//this.face=new Face();
    }
    

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    0 comments - tagged in  posted by a3lyphe on Mar 08, 2009 at 6:11 p.m. EDT
  • :hover background color change
    .class img
    {
    background: #ededed;
    }
    	
    .class:hover img
    {
    background: #dcdcdc;
    }
    

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    0 comments - tagged in  posted by marclarr on Feb 02, 2009 at 12:14 p.m. EST
  • nav background image
    url(images/nav/nav_bg.gif) repeat-x bottom left;
    

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    0 comments - tagged in  posted by xyc0n on Jan 25, 2009 at 3:10 a.m. EST
  • Better Image Scaling and Resampling in Internet Explorer
    /*
     * http://acidmartin.wordpress.com/2009/01/05/better-image-scaling-and-resampling-in-internet-explorer/
     */
    img {
    	-ms-interpolation-mode: bicubic;
    }
    

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    0 comments - tagged in  posted by dowon on Jan 18, 2009 at 8:12 p.m. EST
  • Proportional image resizing
    function resize_image( $file, $width = 0, $height = 0, $proportional = false, $output = 'file', $delete_original = true )
    {
    	if ( $height <= 0 && $width <= 0 ) return false;
    
    	$info = getimagesize($file);
    	$image = '';
    
    	$final_width = 0;
    	$final_height = 0;
    	list($width_old, $height_old) = $info;
    
       if ($proportional) {
    		   if ($width == 0) $factor = $height/$height_old;
    		   elseif ($height == 0) $factor = $width/$width_old;
    		   else $factor = min ( $width / $width_old, $height / $height_old);
    
    		   $final_width = round ($width_old * $factor);
    		   $final_height = round ($height_old * $factor);
       } else {
    		   $final_width = ( $width <= 0 ) ? $width_old : $width;
    		   $final_height = ( $height <= 0 ) ? $height_old : $height;
       }
    
       switch ($info[2]) {
    		   case IMAGETYPE_GIF:
    				   $image = imagecreatefromgif($file);
    		   break;
    		   case IMAGETYPE_JPEG:
    				   $image = imagecreatefromjpeg($file);
    		   break;
    		   case IMAGETYPE_PNG:
    				   $image = imagecreatefrompng($file);
    		   break;
    		   default:
    				   return false;
       }
    
       $image_resized = imagecreatetruecolor( $final_width, $final_height );
    
       if(($info[2] == IMAGETYPE_GIF) || ($info[2] == IMAGETYPE_PNG)) {
    		   $trnprt_indx = imagecolortransparent($image);
    
    		   // If we have a specific transparent color
    		   if($trnprt_indx >= 0) {
    
    				   // Get the original image's transparent color's RGB values
    				   $trnprt_color    = imagecolorsforindex($image, $trnprt_indx);
    
    				   // Allocate the same color in the new image resource
    				   $trnprt_indx    = imagecolorallocate($image_resized, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
    
    				   // Completely fill the background of the new image with allocated color.
    				   imagefill($image_resized, 0, 0, $trnprt_indx);
    
    				   // Set the background color for new image to transparent
    				   imagecolortransparent($image_resized, $trnprt_indx);
    
    
    		   }
    		   // Always make a transparent background color for PNGs that don't have one allocated already
    		   elseif ($info[2] == IMAGETYPE_PNG) {
    
    				   // Turn off transparency blending (temporarily)
    				   imagealphablending($image_resized, false);
    
    				   // Create a new transparent color for image
    				   $color = imagecolorallocatealpha($image_resized, 0, 0, 0, 127);
    
    				   // Completely fill the background of the new image with allocated color.
    				   imagefill($image_resized, 0, 0, $color);
    
    				   // Restore transparency blending
    				   imagesavealpha($image_resized, true);
    		   }
       }
    
       imagecopyresampled($image_resized, $image, 0, 0, 0, 0, $final_width, $final_height, $width_old, $height_old);
    
       if($delete_original) @unlink($file);
    
       switch (strtolower($output)) {
    		   case 'browser':
    				   $mime = image_type_to_mime_type($info[2]);
    				   header("Content-type: $mime");
    				   $output = NULL;
    		   break;
    		   case 'file':
    				   $output = $file;
    		   break;
    		   case 'return':
    				   return $image_resized;
    		   break;
    		   default:
    		   break;
       }
    
       switch ($info[2]) {
    		   case IMAGETYPE_GIF:
    				   imagegif($image_resized, $output);
    		   break;
    		   case IMAGETYPE_JPEG:
    				   imagejpeg($image_resized, $output);
    		   break;
    		   case IMAGETYPE_PNG:
    				   imagepng($image_resized, $output);
    		   break;
    		   default:
    				   return false;
       }
    
       return true;
    }
    

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    0 comments - tagged in  posted by evansims on Dec 20, 2008 at 7:39 p.m. EST
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