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<?php

include "../gm.php";



$zoom = 13;

$sw = "67.8535266,20.2253683";

$ne = "67.8999428,20.2944176";

$srcFile = "out.png";



$srcIm = imagecreatefrompng($srcFile);



$iw = imagesx($srcIm);

$ih = imagesy($srcIm);



echo "Source file Dimensions: Width: ".$iw." Height: ".$ih."\n";



$ims = myCreateImage($iw,$ih);



imagecopy($ims, $srcIm, 0,0, 0,0, $iw,$ih);

imagedestroy($srcIm);





imagepng($ims, "imagetiles2/ims.png");



$box = array();



list($south, $west) = split(",", $sw);

$d1 = Google_RelPix($south, $west, $zoom);

$box[] = $south;

$box[] = $west;



list($north, $east) = split(",", $ne);

$d2 = Google_RelPix($north, $east, $zoom);

$box[] = $north;

$box[] = $east;



list($top, $left) = Google_RelPix($north, $west, $zoom);



$ht = abs( $d1[0] - $d2[0] );

$wd = abs( $d1[1] - $d2[1] );



$im = myCreateImage($wd, $ht, false);

echo "Source transp: ".imagecolortransparent($ims)."\n";

echo "Before Resampl transp: ".imagecolortransparent($im)."\n";



imagecopyresampled($im, $ims, 0,0, 0,0, $wd, $ht, $iw, $ih);



echo "After Resampl transp: ".imagecolortransparent($im)."\n";

 

imagepng($im, "imagetiles2/im.png");



echo "Map dimension: $wd, $ht\n";



$tiles = Google_Tiles($south, $west, $north, $east, $zoom);



$count = 0;



print_r( imagecolorsforindex($im, imagecolorat($im, 376,370) ));

print_r( imagecolorsforindex($im, imagecolorat($im, 401,370) ));



for($i = 0; $i < count($tiles); $i++){

  $tile = $tiles[$i];

  $count++;



  $fileName = "x".$tile["NAMEX"]."_y".$tile["NAMEY"].".png";



  echo "Produce tile $fileName\n";

  $imx = myCreateImage(256,256, true);



  imagecopy( $imx, $im, 0,0, $tile["PXW"] - $left, $tile["PYN"] - $top, 256,256);

    

//print_r( imagecolorsforindex($imx, imagecolorat($imx, 186,246) ));

//print_r (imagecolorsforindex($imx, imagecolorat($imx, 251,246) ));



  imagepng($imx, "imagetiles2/$zoom/".$fileName);

  imagedestroy($imx);

}



imagedestroy($im);

imagedestroy($ims);



echo "Total Tiles produced: $count\n";



function myCreateImage($w, $h, $alphaBlend = true){

  $newim = imagecreatetruecolor($w, $h);

  imagealphablending($newim, $alphaBlend);

  imagesavealpha($newim, !$alphaBlend);

  $trans_color = imagecolorallocatealpha($newim, 0,0,0,127);

  imagefill($newim, 0,0, $trans_color);



  imagecolortransparent($newim, $trans_color);

  return $newim;

}

?>