Ejemplo n.º 1
0
if ($homepageimage == "1") {
    $w = strlen($homepage);
    $wd = round($w / 4, 0, PHP_ROUND_HALF_UP);
    if ($w < 20) {
        $wd = '20';
    }
    header("Content-type: image/png");
    $size = 10;
    $width = '700';
    $height = $wd;
    $string = $homepage;
    $im = imagecreatetruecolor(400, 30);
    $image = imagecreate($width, $height);
    $background = ImageColorAllocate($image, 255, 255, 255);
    $color = imagecolorallocate($image, 0, 0, 0);
    image_create($image, $size, 3, 2, $string, $color, $width);
    imagepng($image);
    imageDestroy($image);
}
function image_create($image, $size, $x, $y, $text, $color, $maxwidth)
{
    $fontwidth = ImageFontWidth($size);
    $fontheight = ImageFontHeight($size);
    if ($maxwidth != NULL) {
        $maxchar = floor($maxwidth / $fontwidth);
        $text = wordwrap($text, $maxchar, "\n", 1);
    }
    $lines = explode("\n", $text);
    while (list($numl, $line) = each($lines)) {
        ImageString($image, $size, $x, $y, $line, $color);
        $y += $fontheight;
Ejemplo n.º 2
0
<?php

session_start();
if (isset($_GET['act'])) {
    if ($_GET['act'] == "image") {
        image_create();
    } else {
        if ($_GET['act'] == "chek") {
            if (isset($_GET['ans'])) {
                $tmp_answer = (int) $_GET['ans'];
                if ($_GET['ans'] == $_SESSION['answer']) {
                    echo "true";
                } else {
                    echo "false";
                }
            }
        }
    }
} else {
    exit;
}
function image_create()
{
    header("Content-type: image/png");
    $string = $_GET['text'];
    $font = imageloadfont("font.gdf");
    $im = imagecreatefrompng("captsource.png");
    $color[0] = imagecolorallocate($im, 0, 0, 0);
    $color[1] = imagecolorallocate($im, 192, 192, 192);
    $color[2] = imagecolorallocate($im, 255, 255, 00);
    $color[3] = imagecolorallocate($im, 00, 128, 255);
Ejemplo n.º 3
0
function image_watermark(&$p, &$error = null)
{
    if (empty($p['imgwidth'])) {
        list($p['imgwidth'], $p['imgheight'], $p['img-type']) = getimagesize($p['temp']);
        $p['img-type'] = image_type_to_mime_type($p['img-type']);
    }
    if (empty($p['watermark'])) {
        $p['watermark'] = 'images/watermark.png';
    }
    $watermark = imagecreatefrompng($p['watermark']);
    imagealphablending($watermark, true);
    $watermark_width = imagesx($watermark);
    $watermark_height = imagesy($watermark);
    $watermark_resized_width = $p['imgwidth'] * $p['watermark-ratio'];
    $watermark_resized_height = $p['imgheight'] * $p['watermark-ratio'];
    $watermark_resized = imagecreatetruecolor($watermark_resized_width, $watermark_resized_height);
    imagealphablending($watermark_resized, false);
    imagesavealpha($watermark_resized, true);
    imagecopyresampled($watermark_resized, $watermark, 0, 0, 0, 0, $watermark_resized_width, $watermark_resized_height, $watermark_width, $watermark_height);
    imagedestroy($watermark);
    $image = image_create($p);
    $dest_x = ($p['imgwidth'] - $watermark_resized_width) / 2;
    $dest_y = ($p['imgheight'] - $watermark_resized_height) / 2;
    imagecopymerge_alpha($image, $watermark_resized, $dest_x, $dest_y, 0, 0, $watermark_resized_width, $watermark_resized_height);
    $p['file'] = $p['file'] . '.' . $p['ext'];
    switch ($p['img-type']) {
        case 'image/gif':
            imagegif($image, $p['file']);
            break;
        case 'image/pjpeg':
        case 'image/jpeg':
        case 'image/jpg':
            imagejpeg($image, $p['file'], 75);
            break;
        case 'image/png':
        case 'image/x-png':
            imagealphablending($image, false);
            imagesavealpha($image, true);
            imagepng($image, $p['file']);
            break;
    }
    imagedestroy($image);
    imagedestroy($watermark_resized);
}