Batiments semi-transparents - Version imprimable

Code :
<?php

include('../../includes/auth.inc.php');

$iMicroTime=microtime_float();



/*********************************************/

/* Fonction: ImageCreateFromBMP              */

/* Author:   DHKold                          */

/* Contact:  admin@dhkold.com                */

/* Date:     The 15th of June 2005           */

/* Version:  2.0B                            */

/*********************************************/



function ImageCreateFromBMP($filename) //utilisation idem ImageCreateFromPNG

{

 //Ouverture du fichier en mode binaire

   if (! $f1 = fopen($filename,"rb")) return FALSE;



 //1 : Chargement des ent?tes FICHIER

   $FILE = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1,14));

   if ($FILE['file_type'] != 19778) return FALSE;



 //2 : Chargement des ent?tes BMP

   $BMP = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel'.

                 '/Vcompression/Vsize_bitmap/Vhoriz_resolution'.

                 '/Vvert_resolution/Vcolors_used/Vcolors_important', fread($f1,40));

   $BMP['colors'] = pow(2,$BMP['bits_per_pixel']);

   if ($BMP['size_bitmap'] == 0) $BMP['size_bitmap'] = $FILE['file_size'] - $FILE['bitmap_offset'];

   $BMP['bytes_per_pixel'] = $BMP['bits_per_pixel']/8;

   $BMP['bytes_per_pixel2'] = ceil($BMP['bytes_per_pixel']);

   $BMP['decal'] = ($BMP['width']*$BMP['bytes_per_pixel']/4);

   $BMP['decal'] -= floor($BMP['width']*$BMP['bytes_per_pixel']/4);

   $BMP['decal'] = 4-(4*$BMP['decal']);

   if ($BMP['decal'] == 4) $BMP['decal'] = 0;



 //3 : Chargement des couleurs de la palette

   $PALETTE = array();

   if ($BMP['colors'] < 16777216)

   {

    $PALETTE = unpack('V'.$BMP['colors'], fread($f1,$BMP['colors']*4));

   }



 //4 : Cr?ation de l'image

   $IMG = fread($f1,$BMP['size_bitmap']);

   $VIDE = chr(0);



   $res = imagecreatetruecolor($BMP['width'],$BMP['height']);

   //$res = imagecreate($BMP['width'],$BMP['height']);

   $P = 0;

   $Y = $BMP['height']-1;

   while ($Y >= 0)

   {

    $X=0;

    while ($X < $BMP['width'])

    {

     if ($BMP['bits_per_pixel'] == 24)

        $COLOR = unpack("V",substr($IMG,$P,3).$VIDE);

     elseif ($BMP['bits_per_pixel'] == 16)

     {

        $COLOR = unpack("n",substr($IMG,$P,2));

        $COLOR[1] = $PALETTE[$COLOR[1]+1];

     }

     elseif ($BMP['bits_per_pixel'] == 8)

     {

        $COLOR = unpack("n",$VIDE.substr($IMG,$P,1));

        $COLOR[1] = $PALETTE[$COLOR[1]+1];

     }

     elseif ($BMP['bits_per_pixel'] == 4)

     {

        $COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));

        if (($P*2)%2 == 0) $COLOR[1] = ($COLOR[1] >> 4) ; else $COLOR[1] = ($COLOR[1] & 0x0F);

        $COLOR[1] = $PALETTE[$COLOR[1]+1];

     }

     elseif ($BMP['bits_per_pixel'] == 1)

     {

        $COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));

        if     (($P*8)%8 == 0) $COLOR[1] =  $COLOR[1]        >>7;

        elseif (($P*8)%8 == 1) $COLOR[1] = ($COLOR[1] & 0x40)>>6;

        elseif (($P*8)%8 == 2) $COLOR[1] = ($COLOR[1] & 0x20)>>5;

        elseif (($P*8)%8 == 3) $COLOR[1] = ($COLOR[1] & 0x10)>>4;

        elseif (($P*8)%8 == 4) $COLOR[1] = ($COLOR[1] & 0x8)>>3;

        elseif (($P*8)%8 == 5) $COLOR[1] = ($COLOR[1] & 0x4)>>2;

        elseif (($P*8)%8 == 6) $COLOR[1] = ($COLOR[1] & 0x2)>>1;

        elseif (($P*8)%8 == 7) $COLOR[1] = ($COLOR[1] & 0x1);

        $COLOR[1] = $PALETTE[$COLOR[1]+1];

     }

     else

        return FALSE;

     imagesetpixel($res,$X,$Y,$COLOR[1]);

     $X++;

     $P += $BMP['bytes_per_pixel'];

    }

    $Y--;

    $P+=$BMP['decal'];

   }



 //Fermeture du fichier

   fclose($f1);



 return $res;

}



//ici commence mon script



$size=getimagesize('gwendalavir.bmp');

$limb=0; //ici je définis les bornes (ligne de ... à ...), ce qui permet de limiter le chargement, et le dépassement des 30 secondes fatidiques (arret forcé du script par PHP)

$limh=$size[1];  // -> chargment en plusieurs fois



$im = ImageCreateFromBMP('gwendalavir.bmp');



$im2 = imagecreatetruecolor( $size[0],$size[1] );



//a partir d'ici je défini les couleurs que je vais utiliser (j'utilise une image en 16 couleurs ici, rien n'empeche d'en utiliser plus))

$black        = imagecolorallocate ($im, 0, 0, 0);

$ligthblue    = imagecolorallocate ($im, 0, 255, 255);



$green        = imagecolorallocate ($im, 0, 128, 0);

$ligthgreen    = imagecolorallocate ($im, 0, 255, 0);



$yellow        = imagecolorallocate ($im, 128, 128, 0);

$ligthyellow= imagecolorallocate ($im, 255, 255, 0);



$pink        = imagecolorallocate ($im, 255, 0, 255);



$grey        = imagecolorallocate ($im, 128, 128, 128);

$ligthgrey    = imagecolorallocate ($im, 192, 192, 192);

$white        = imagecolorallocate ($im, 255, 255, 255);

$blue        = imagecolorallocate ($im, 0, 0, 255);



$black2        = imagecolorallocate ($im2, 0, 0, 0);

$ligthblue2    = imagecolorallocate ($im2, 0, 255, 255);



$green2        = imagecolorallocate ($im2, 0, 128, 0);

$ligthgreen2= imagecolorallocate ($im2, 0, 255, 0);



$yellow2    = imagecolorallocate ($im2, 128, 128, 0);

$ligthyellow2=imagecolorallocate ($im2, 255, 255, 0);



$pink2        = imagecolorallocate ($im, 255, 0, 255);



$grey2        = imagecolorallocate ($im2, 128, 128, 128);

$ligthgrey2    = imagecolorallocate ($im2, 192, 192, 192);

$white2        = imagecolorallocate ($im2, 255, 255, 255);

$blue2        = imagecolorallocate ($im2, 0, 0, 255);



for($i=$limb;$i<$limh && $i<$size[0] && (microtime_float()-$iMicroTime)<57 ;$i++){

    for($j=($i%2?0:1);$j<$size[1] ;$j+=2){

        $color=imagecolorat ($im, $i, $j);

        switch($color){

            case $green: //pour chaque type de case (chaque couleur), j'associe ça à un certain terrain

                $color2=$green2;

                switch(LanceDe(1,10)){ //pour éviter les grandes zones d'un même terrain, je met au hazard quelques éléments d'autres types

                    case 1:$colorconv=2;break;

                    case 2:$colorconv=2;break;

                    case 3:$colorconv=2;break;

                    case 4:$colorconv=2;break;

                    case 5:$colorconv=2;break;

                    case 6:$colorconv=5;break;

                    case 7:$colorconv=5;break;

                    case 8:$colorconv=5;break;

                    case 9:$colorconv=5;break;

                    case 10:$colorconv=3;break;

                    default:

                        $colorconv=1;

                }

                break;

            case $ligthgreen:

                $color2=$ligthgreen2;

                switch(LanceDe(1,10)){

                    case 8:$colorconv=2;break;

                    case 9:$colorconv=2;break;

                    case 10:$colorconv=5;break;

                    default:

                        $colorconv=1;

                }

                break;

            case $ligthyellow:

                $color2=$ligthyellow2;

                switch(LanceDe(1,10)){

                    default:

                        $colorconv=211;

                }

                break;

            case $pink:

                $color2=$pink2;

                switch(LanceDe(1,10)){

                    case 10:$colorconv=80;break;

                    default:

                        $colorconv=10;

                }

                break;

            case $grey:

                $color2=$grey2;

                switch(LanceDe(1,10)){

                    case 5:$colorconv=2;break;

                    case 6:$colorconv=2;break;

                    case 7:$colorconv=5;break;

                    case 8:$colorconv=3;break;

                    case 9:$colorconv=3;break;

                    case 10:$colorconv=80;break;

                    default:

                        $colorconv=1;

                }

                break;

            case $ligthgrey:

                $color2=$ligthgrey2;

                switch(LanceDe(1,10)){

                    case 6:$colorconv=2;break;

                    case 7:$colorconv=3;break;

                    case 8:$colorconv=3;break;

                    case 9:$colorconv=80;break;

                    case 10:$colorconv=80;break;

                    default:

                        $colorconv=1;

                }

                break;

            case $blue:

            case $white:

                $color2=$white2;

                $colorconv=80;

                break;

            default:

                $color2=$blue2;

                $colorconv=6;

        }

        imagefilledrectangle($im2, $i, $j, $i, $j+2, $color2);

//ici je met ça en base de donnée

        RequestDB("INSERT monde2 (x,y,type_case) VALUES ('$i','$j','$colorconv');");

    }

}



if($_GET['img']==1){

    echo $i.'<br />';

    echo 'Fini! :-)<br />Temp total : ';

    echo (microtime_float()-$iMicroTime).'<br />';

}

else{

    header("Content-type: image/jpeg");

    imagejpeg($im2);

}

?>