PHP/Graphics Image/imagecreatefrompng

Color and Image Fills

 
<?php
    $red = imagecolorallocate($image, 255, 0, 0);
    imagefill($image, 0, 0, $red);
    imagefilltoborder($image, 0, 0, $white, $red);

    $_GET["size"] = 44;
    $_GET["text"] = "Hello, world!";
    $size = imagettfbbox($_GET["size"], 0, "ARIAL", $_GET["text"]);
    $xsize = 50;
    $ysize = 60;
    $image = imagecreate($xsize, $ysize);
    $blue = imagecolorallocate($image, 0, 0, 255);
    $white = ImageColorAllocate($image, 255,255,255);
    imagettftext($image, $_GET["size"], 0, abs($size[0]), $ysize, $white, "ARIAL","asdfasdf");
    $bg = imagecreatefrompng("button_mini.png");
    imagesettile($image, $bg);
    imagefill($image, 0, 0, IMG_COLOR_TILED);
    header("content-type: image/png");
    imagepng($image);
    imagedestroy($image);
    imagedestroy($bg);
?>

Create image object from PNG

 
<?php
    $stars = imagecreatefrompng("stars.png");
    $gradient = imagecreatefrompng("gradient.png");
    imagecopymerge($stars, $gradient, 0, 0, 0, 0, 256, 256, 60);
    header("Content-type: image/png");
    imagepng($stars);
    imagedestroy($stars);
    imagedestroy($gradient);
?>

Loading Existing Images

 
<?php
    $_GET["size"] = 26;
    $_GET["text"] = "Button text";
    $size = imagettfbbox($_GET["size"], 0, "ARIAL", $_GET["text"]);
    $xsize = abs($size[0]) + abs($size[2]);
    $ysize = abs($size[5]) + abs($size[1]);
    $image = imagecreatefrompng("button.png");
    $imagesize = getimagesize("button.png");
    $textleftpos = round(($imagesize[0] - $xsize) / 2);
    $texttoppos = round(($imagesize[1] + $ysize) / 2);
    $white = ImageColorAllocate($image, 255,255,255);
    imagettftext($image, $_GET["size"], 0, $textleftpos, $texttoppos, $white, "ARIAL",
    $_GET["text"]);
    header("content-type: image/png");
    imagepng($image);
    imagedestroy($image);
?>