Exemplo n.º 1
0
 public function testImBorder()
 {
     $tests = array("100x200 -> 1 = 102x202", "100x200 -> 2 = 104x204");
     foreach ($tests as $test) {
         preg_match("~(?P<sw>\\d+)x(?P<sh>\\d+) -> (?P<border>\\S+) = (?P<dw>\\d+)x(?P<dh>\\d+)~", $test, $m);
         $im = imagecreate($m['sw'], $m['sh']);
         $backgroundColor = imagecolorallocate($im, 0, 0, 0);
         $tmp = rtrim(`mktemp`);
         imagepng($im, $tmp);
         $target = imBorder($tmp, ['border' => $m['border'], 'dir' => sys_get_temp_dir(), 'log' => true, 'overwrite' => true]);
         $this->assertTrue(is_file($target));
         list($w, $h) = getimagesize($target);
         $this->assertEquals($w, $m['dw']);
         $this->assertEquals($h, $m['dh']);
     }
 }
Exemplo n.º 2
0
Arquivo: image.php Projeto: ejz/core
function imCaptcha($settings = array())
{
    $width = isset($settings['width']) ? $settings['width'] : null;
    $height = isset($settings['height']) ? $settings['height'] : 50;
    $length = isset($settings['length']) ? $settings['length'] : 6;
    $padding = isset($settings['padding']) ? $settings['padding'] : 4;
    $padding = intval($padding) > 0 ? intval($padding) : 4;
    $length = intval($length) > 0 ? intval($length) : 6;
    $height = intval($height) > 0 ? intval($height) : 50;
    $paddingLR = $padding;
    $paddingTB = $padding;
    $size = $height - 2 * $padding;
    $fonts = glob(__DIR__ . "/fonts/*.ttf");
    if (!$fonts) {
        return array();
    }
    $font = $fonts[mt_rand(0, count($fonts) - 1)];
    $box = imagettfbbox($size, 0, $font, "H");
    $_width = abs($box[2] - $box[0]);
    $_shift = abs($box[6] - $box[0]);
    $_height = abs($box[7] - $box[1]);
    //
    if (!$width) {
        $width = $length * $_width + ($length + 1) * $padding + $_shift;
    }
    //
    $image = imagecreatetruecolor($width, $height);
    if (!$image) {
        return array();
    }
    $letters = 'ABCDEFGHJKMNPRSTUVWXYZ';
    // no "I", "L", "O", "Q"
    $backgroundColor = imagecolorallocate($image, 255, 255, 255);
    $lineColor = imagecolorallocate($image, 64, 64, 64);
    $pixelColor = imagecolorallocate($image, 0, 0, 255);
    $textColor = imagecolorallocate($image, 0, 0, 0);
    imagefilledrectangle($image, 0, 0, $width, $height, $backgroundColor);
    // 3 lines
    imageline($image, 0, mt_rand() % $height, $width, mt_rand() % $height, $lineColor);
    imageline($image, 0, mt_rand() % $height, $width, mt_rand() % $height, $lineColor);
    imageline($image, 0, mt_rand() % $height, $width, mt_rand() % $height, $lineColor);
    // add noise
    for ($i = 0; $i < 500; $i++) {
        imagesetpixel($image, mt_rand() % $width, mt_rand() % $height, $pixelColor);
    }
    $len = strlen($letters);
    $word = "";
    for ($i = 0; $i < $length; $i++) {
        $letter = $letters[mt_rand(0, $len - 1)];
        $angle = -5 + mt_rand(0, 10);
        imagettftext($image, $size, $angle, $i * ($padding + $_width) + $padding, $padding + $_height, $textColor, $font, $letter);
        $word .= $letter;
    }
    $file = rtrim(`mktemp --suffix=.png`);
    imagepng($image, $file);
    imagedestroy($image);
    $imBorder = array();
    if (isset($settings['borderColor'])) {
        $imBorder['borderColor'] = $settings['borderColor'];
    }
    if (isset($settings['border'])) {
        $imBorder['border'] = $settings['border'];
    }
    $file = imBorder($file, $imBorder);
    if (!$file) {
        return array();
    }
    return array('file' => $file, 'word' => $word);
}