imageflow met youtube

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Ceasar Feijen

Ceasar Feijen

31/07/2008 13:47:00
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Hai iedereen die niet met vakantie is
Ik heb een nieuw grapje gemaakt met imageflow en de nieuwe youtube API
vb. http://www.cfcms.nl/imageflowyoutube/

gebaseerd op deze http://194.95.111.244/~countzero/scripts/_myImageFlow/

Nu zit hier een reflect.php bestand bij die zorgt voor die reflectie bij die plaatjes.
Nu wil ik dit uiteraard ook bij mijn youtube versie. Wie verveelt zich en kan het script aanpassen zodat het externe plaatjes kan inlezen zoals bijv. http://img.youtube.com/vi/9hiCyRnSXM4/0.jpg zodat je dit kunt doen reflect.php?img=http://img.youtube.com/vi/9hiCyRnSXM4/0.jpg met parameters voor de afmetingen ect. ( eventueel ook cachen en beveiligen zodat het niet misbruikt wordt )

De tool stel ik uiteraard weer beschikbaar aan de community en in dit geval aan Finn de maker van imageflow
Ik kan evt. de hele tool opsturen per mail

Hier de code van reflect.php
Code (php)
PHP script in nieuw venster Selecteer het PHP script
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<?php
    /*
        ----------------------------------------------------------------
        Easy Reflections by Richard Davey, Core PHP ([email protected])
        v2 - 2nd March 2007
        Updates include changes by Monte Ohrt ([email protected])
        ----------------------------------------------------------------
        You are free to use this in any product, or on any web site.
        Latest builds at: http://reflection.corephp.co.uk
        ----------------------------------------------------------------

        This script accepts the following $_GET parameters:

        img                required    The source image (to reflect)
        height            optional    Height of the reflection (% or pixel value)
        bgc                optional    Background colour to fade into, default = #000000
        fade_start      optional    Start the alpha fade from whch value? (% value)
        fade_end        optional    End the alpha fade from whch value? (% value)
        jpeg            optional    Output will be JPEG at 'param' quality (default 80)
        cache           optional    Save reflection image to the cache? (boolean)
    */

    // Replace special chars to be HTML-Code

    function stringToHTML($string)
    {

        $array_search = array('é', 'è', 'ë', 'ê', 'à', 'ä', 'Ä', 'â', 'ù', 'ü', 'Ü', 'û', 'ö', 'Ö', 'ô', 'ï', 'î');
        $array_replace = array('&eacute;', '&egrave;',    '&euml;', '&ecirc;', '&agrave;', '&auml;', '&Auml;', '&acirc;', '&ugrave;', '&uuml;', '&Uuml;', '&ucirc;', '&ouml;', '&Ouml;', '&ocirc;', '&iuml;', '&icirc;');
        $string_return = str_replace($array_search, $array_replace, $string);
        return $string_return;
    }


    // CACHE! EVERYTHING!
    $_GET['cache'] = 1;

    //    PHP Version sanity check
    if (version_compare('4.3.2', phpversion()) == 1)
    {

        echo 'This version of PHP is not fully supported. You need 4.3.2 or above.';
        exit();
    }


    //    GD check
    if (extension_loaded('gd') == false && !dl('gd.so'))
    {

        echo 'You are missing the GD extension for PHP, sorry but I cannot continue.';
        exit();
    }


    //    Our allowed query string parameters

    //  To cache or not to cache? that is the question

    if (isset($_GET['cache']))
    {

        if ((int) $_GET['cache'] == 1)
        {

            $cache = true;
        }

        else
        {
            $cache = false;
        }
    }

    else
    {
        $cache = false;
    }


    //    img (the image to reflect)
    if (isset($_GET['img']))
    {

        $source_image = $_GET['img'];

        //$source_image = utf8_decode($source_image);

        $source_image = str_replace('://','',$source_image);
        //$source_image = $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . $source_image;

        if (file_exists($source_image))
        {

            if ($cache)
            {

                $cache_dir = dirname($source_image);
                $cache_base = basename($source_image);
                $cache_file = 'refl_' . md5($_SERVER['REQUEST_URI']) . '_' . $cache_base;
                $cache_path = $cache_dir . DIRECTORY_SEPARATOR . $cache_file;

                if (file_exists($cache_path) && filemtime($cache_path) >= filemtime($source_image))
                {

                    // Use cached image
                    $image_info = getimagesize($cache_path);
                    header("Content-type: " . $image_info['mime']);
                    readfile($cache_path);
                    exit();
                }
            }
        }

        else
        {
          echo 'Cannot find or read source image';
          exit();
        }
    }

    else
    {
        echo 'No source image to reflect supplied';
        exit();
    }


    //    bgc (the background colour used, defaults to black if not given)
    if (isset($_GET['bgc']) == false)
    {

        $red = 0;
        $green = 0;
        $blue = 0;
    }

    else
    {
        //    Extract the hex colour
        $hex_bgc = $_GET['bgc'];

        //    Does it start with a hash? If so then strip it
        $hex_bgc = str_replace('#', '', $hex_bgc);

        switch (strlen($hex_bgc))
        {
            case
6:
                $red = hexdec(substr($hex_bgc, 0, 2));
                $green = hexdec(substr($hex_bgc, 2, 2));
                $blue = hexdec(substr($hex_bgc, 4, 2));
                break;

            case
3:
                $red = substr($hex_bgc, 0, 1);
                $green = substr($hex_bgc, 1, 1);
                $blue = substr($hex_bgc, 2, 1);
                $red = hexdec($red . $red);
                $green = hexdec($green . $green);
                $blue = hexdec($blue . $blue);
                break;

            default:

                //    Wrong values passed, default to black
                $red = 0;
                $green = 0;
                $blue = 0;
        }
    }


    //    height (how tall should the reflection be?)
    if (isset($_GET['height']))
    {

        $output_height = $_GET['height'];

        //    Have they given us a percentage?
        if (substr($output_height, -1) == '%')
        {

            //    Yes, remove the % sign
            $output_height = (int) substr($output_height, 0, -1);

            //    Gotta love auto type casting ;)
            if ($output_height < 10)
            {

                $output_height = "0.0$output_height";
            }

            else
            {
                $output_height = "0.$output_height";
            }
        }

        else
        {
            $output_height = (int) $output_height;
        }
    }

    else
    {
        //    No height was given, so default to 50% of the source images height
        $output_height = 0.50;
    }


    if (isset($_GET['fade_start']))
    {

        if (strpos($_GET['fade_start'], '%') !== false)
        {

            $alpha_start = str_replace('%', '', $_GET['fade_start']);
            $alpha_start = (int) (127 * $alpha_start / 100);
        }

        else
        {
            $alpha_start = (int) $_GET['fade_start'];

            if ($alpha_start < 1 || $alpha_start > 127)
            {

                $alpha_start = 80;
            }
        }
    }

    else
    {
        $alpha_start = 80;
    }


    if (isset($_GET['fade_end']))
    {

        if (strpos($_GET['fade_end'], '%') !== false)
        {

            $alpha_end = str_replace('%', '', $_GET['fade_end']);
            $alpha_end = (int) (127 * $alpha_end / 100);
        }

        else
        {
            $alpha_end = (int) $_GET['fade_end'];

            if ($alpha_end < 1 || $alpha_end > 0)
            {

                $alpha_end = 0;
            }
        }
    }

    else
    {
        $alpha_end = 0;
    }


    /*
        ----------------------------------------------------------------
        Ok, let's do it ...
        ----------------------------------------------------------------
    */

    //    How big is the image?

    $image_details = getimagesize($source_image);

    if ($image_details === false)
    {

        echo 'Not a valid image supplied, or this script does not have permissions to access it.';
        exit();
    }

    else
    {
        $width = $image_details[0];
        $height = $image_details[1];
        $type = $image_details[2];
        $mime = $image_details['mime'];
    }


    //    Calculate the height of the output image
    if ($output_height < 1)
    {

        //    The output height is a percentage
        $new_height = $height * $output_height;
    }

    else
    {
        //    The output height is a fixed pixel value
        $new_height = $output_height;
    }


    //    Detect the source image format - only GIF, JPEG and PNG are supported. If you need more, extend this yourself.
    switch ($type)
    {
        case
1:
            //    GIF
            $source = imagecreatefromgif($source_image);
            break;

        case
2:
            //    JPG
            $source = imagecreatefromjpeg($source_image);
            break;

        case
3:
            //    PNG
            $source = imagecreatefrompng($source_image);
            break;

        default:

            echo 'Unsupported image file format.';
            exit();
    }



    /*
        ----------------------------------------------------------------
        Build the reflection image
        ----------------------------------------------------------------
    */

    //    We'll store the final reflection in $output. $buffer is for internal use.

    $output = imagecreatetruecolor($width, $new_height);
    $buffer = imagecreatetruecolor($width, $new_height);

    //    Copy the bottom-most part of the source image into the output
    imagecopy($output, $source, 0, 0, 0, $height - $new_height, $width, $new_height);

    //    Rotate and flip it (strip flip method)
    for ($y = 0; $y < $new_height; $y++)
    {

       imagecopy($buffer, $output, 0, $y, 0, $new_height - $y - 1, $width, 1);
    }


    $output = $buffer;

    /*
        ----------------------------------------------------------------
        Apply the fade effect
        ----------------------------------------------------------------
    */

    //    This is quite simple really. There are 127 available levels of alpha, so we just
    //    step-through the reflected image, drawing a box over the top, with a set alpha level.
    //    The end result? A cool fade into the background colour given.

    //    There are a maximum of 127 alpha fade steps we can use, so work out the alpha step rate


    $alpha_length = abs($alpha_start - $alpha_end);

    for ($y = 0; $y <= $new_height; $y++)
    {

        //  Get % of reflection height
        $pct = $y / $new_height;

        //  Get % of alpha
        if ($alpha_start > $alpha_end)
        {

            $alpha = (int) ($alpha_start - ($pct * $alpha_length));
        }

        else
        {
            $alpha = (int) ($alpha_start + ($pct * $alpha_length));
        }


        imagefilledrectangle($output, 0, $y, $width, $y, imagecolorallocatealpha($output, $red, $green, $blue, $alpha));

    }



    /*
        ----------------------------------------------------------------
        HACK - Build the reflection image by combining the source
        image AND the reflection in one new image!
        ----------------------------------------------------------------
    */

        $finaloutput = imagecreatetruecolor($width, $height+$new_height);
        imagecopy($finaloutput, $source, 0, 0, 0, 0, $width, $height);
        imagecopy($finaloutput, $output, 0, $height, 0, 0, $width, $new_height);
        $output = $finaloutput;

    /*
        ----------------------------------------------------------------
        Output our final PNG
        ----------------------------------------------------------------
    */


    if (headers_sent())
    {

        echo 'Headers already sent, I cannot display an image now. Have you got an extra line-feed in this file somewhere?';
        exit();
    }

    else
    {
        //    If you'd rather output a JPEG instead of a PNG then pass the parameter 'jpeg' (no value needed) on the querystring

        if (isset($_GET['png']))
        {

            //    PNG
            header("Content-type: image/png");
            imagepng($output);

            // Save cached file
            if ($cache)
            {

                imagepng($output, $cache_path);
            }

        }

        else
        {
            if(!isset( $_GET['jpeg']))  $_GET['jpeg'] = 90;

            $quality = (int) $_GET['jpeg'];

            if ($quality < 1 || $quality > 100)
            {

                $quality = 90;
            }


            //    JPEG (the final parameter = the quality, 0 = terrible, 100 = pixel perfect)
            header("Content-type: image/jpeg");
            imagejpeg($output, '', $quality);

            // Save cached file
            if ($cache)
            {

                imagejpeg($output, $cache_path, $quality);
            }


        }


        imagedestroy($output);
        exit();
    }

?>
Gewijzigd op 01/01/1970 01:00:00 door Ceasar Feijen
 
PHP hulp

PHP hulp

28/03/2024 17:53:52
 
Ceasar Feijen

Ceasar Feijen

31/07/2008 19:12:00
Quote Anchor link
Okay. opgelost met file_get_contents, hierna de plaatjes wegzetten in een directory die vervolgens wordt uitgelezen door reflect.php
 
Ceasar Feijen

Ceasar Feijen

05/09/2008 23:16:00
Quote Anchor link
Voor de geintereseerde mensen de app is klaar en is gratis te downloaden.
Werkt nu met Youtube en Dailymotion
http://www.imageflow.nl/

nb. Dit was voor mij gewoon een hobby trajektje om de SEO te testen met content van youtube.
Gewijzigd op 01/01/1970 01:00:00 door Ceasar Feijen
 



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