- public function __construct(\Symfony\Component\DependencyInjection\ContainerInterface $container,\phpbb\di\service_collection $plugins)

-

-class char_cube3d

-{

- var $bitmap;

- var $bitmap_width;

- var $bitmap_height;

-

- var $basis_matrix = array(array(1, 0, 0), array(0, 1, 0), array(0, 0, 1));

- var $abs_x = array(1, 0);

- var $abs_y = array(0, 1);

- var $x = 0;

- var $y = 1;

- var $z = 2;

- var $letter = '';

-

- /**

- */

- function __construct(&$bitmaps, $letter)

- {

- $this->bitmap = $bitmaps['data'][$letter];

- $this->bitmap_width = $bitmaps['width'];

- $this->bitmap_height = $bitmaps['height'];

-

- $this->basis_matrix[0][0] = mt_rand(-600, 600);

- $this->basis_matrix[0][1] = mt_rand(-600, 600);

- $this->basis_matrix[0][2] = (mt_rand(0, 1) * 2000) - 1000;

- $this->basis_matrix[1][0] = mt_rand(-1000, 1000);

- $this->basis_matrix[1][1] = mt_rand(-1000, 1000);

- $this->basis_matrix[1][2] = mt_rand(-1000, 1000);

-

- $this->normalize($this->basis_matrix[0]);

- $this->normalize($this->basis_matrix[1]);

- $this->basis_matrix[2] = $this->cross_product($this->basis_matrix[0], $this->basis_matrix[1]);

- $this->normalize($this->basis_matrix[2]);

-

- // $this->basis_matrix[1] might not be (probably isn't) orthogonal to $basis_matrix[0]

- $this->basis_matrix[1] = $this->cross_product($this->basis_matrix[0], $this->basis_matrix[2]);

- $this->normalize($this->basis_matrix[1]);

-

- // Make sure our cube is facing into the canvas (assuming +z == in)

- for ($i = 0; $i < 3; ++$i)

- {

- if ($this->basis_matrix[$i][2] < 0)

- {

- $this->basis_matrix[$i][0] *= -1;

- $this->basis_matrix[$i][1] *= -1;

- $this->basis_matrix[$i][2] *= -1;

- }

- }

-

- // Force our "z" basis vector to be the one with greatest absolute z value

- $this->x = 0;

- $this->y = 1;

- $this->z = 2;

-

- // Swap "y" with "z"

- if ($this->basis_matrix[1][2] > $this->basis_matrix[2][2])

- {

- $this->z = 1;

- $this->y = 2;

- }

-

- // Swap "x" with "z"

- if ($this->basis_matrix[0][2] > $this->basis_matrix[$this->z][2])

- {

- $this->x = $this->z;

- $this->z = 0;

- }

-

- // Still need to determine which of $x,$y are which.

- // wrong orientation if y's y-component is less than it's x-component

- // likewise if x's x-component is less than it's y-component

- // if they disagree, go with the one with the greater weight difference.

- // rotate if positive

- $weight = (abs($this->basis_matrix[$this->x][1]) - abs($this->basis_matrix[$this->x][0])) + (abs($this->basis_matrix[$this->y][0]) - abs($this->basis_matrix[$this->y][1]));

-

- // Swap "x" with "y"

- if ($weight > 0)

- {

- list($this->x, $this->y) = array($this->y, $this->x);

- }

-

- $this->abs_x = array($this->basis_matrix[$this->x][0], $this->basis_matrix[$this->x][1]);

- $this->abs_y = array($this->basis_matrix[$this->y][0], $this->basis_matrix[$this->y][1]);

-

- if ($this->abs_x[0] < 0)

- {

- $this->abs_x[0] *= -1;

- $this->abs_x[1] *= -1;

- }

-

- if ($this->abs_y[1] > 0)

- {

- $this->abs_y[0] *= -1;

- $this->abs_y[1] *= -1;

- }

-

- $this->letter = $letter;

- }

-

- /**

- * Draw a character

- */

- function drawchar($scale, $xoff, $yoff, $img, $background, $colours)

- {

- $width = $this->bitmap_width;

- $height = $this->bitmap_height;

- $bitmap = $this->bitmap;

-

- $colour1 = $colours[array_rand($colours)];

- $colour2 = $colours[array_rand($colours)];

-

- $swapx = ($this->basis_matrix[$this->x][0] > 0);

- $swapy = ($this->basis_matrix[$this->y][1] < 0);

-

- for ($y = 0; $y < $height; ++$y)

- {

- for ($x = 0; $x < $width; ++$x)

- {

- $xp = ($swapx) ? ($width - $x - 1) : $x;

- $yp = ($swapy) ? ($height - $y - 1) : $y;

-

- if ($bitmap[$height - $yp - 1][$xp])

- {

- $dx = $this->scale($this->abs_x, ($xp - ($swapx ? ($width / 2) : ($width / 2) - 1)) * $scale);

- $dy = $this->scale($this->abs_y, ($yp - ($swapy ? ($height / 2) : ($height / 2) - 1)) * $scale);

- $xo = $xoff + $dx[0] + $dy[0];

- $yo = $yoff + $dx[1] + $dy[1];

-

- $origin = array(0, 0, 0);

- $xvec = $this->scale($this->basis_matrix[$this->x], $scale);

- $yvec = $this->scale($this->basis_matrix[$this->y], $scale);

- $face_corner = $this->sum2($xvec, $yvec);

-

- $zvec = $this->scale($this->basis_matrix[$this->z], $scale);

- $x_corner = $this->sum2($xvec, $zvec);

- $y_corner = $this->sum2($yvec, $zvec);

-

- imagefilledpolygon($img, $this->gen_poly($xo, $yo, $origin, $xvec, $x_corner,$zvec), 4, $colour1);

- imagefilledpolygon($img, $this->gen_poly($xo, $yo, $origin, $yvec, $y_corner,$zvec), 4, $colour2);

-

- $face = $this->gen_poly($xo, $yo, $origin, $xvec, $face_corner, $yvec);

-

- imagefilledpolygon($img, $face, 4, $background);

- imagepolygon($img, $face, 4, $colour1);

- }

- }

- }

- }

-

- /*

- * return a roughly acceptable range of sizes for rendering with this texttype

- */

- function range()

- {

- return array(3, 4);

- }

-

- /**

- * Vector length

- */

- function vectorlen($vector)

- {

- return sqrt(pow($vector[0], 2) + pow($vector[1], 2) + pow($vector[2], 2));

- }

-

- /**

- * Normalize

- */

- function normalize(&$vector, $length = 1)

- {

- $length = (( $length < 1) ? 1 : $length);

- $length /= $this->vectorlen($vector);

- $vector[0] *= $length;

- $vector[1] *= $length;

- $vector[2] *= $length;

- }

-

- /**

- */

- function cross_product($vector1, $vector2)

- {

- $retval = array(0, 0, 0);

- $retval[0] = (($vector1[1] * $vector2[2]) - ($vector1[2] * $vector2[1]));

- $retval[1] = -(($vector1[0] * $vector2[2]) - ($vector1[2] * $vector2[0]));

- $retval[2] = (($vector1[0] * $vector2[1]) - ($vector1[1] * $vector2[0]));

-

- return $retval;

- }

-

- /**

- */

- function sum($vector1, $vector2)

- {

- return array($vector1[0] + $vector2[0], $vector1[1] + $vector2[1], $vector1[2] + $vector2[2]);

- }

-

- /**

- */

- function sum2($vector1, $vector2)

- {

- return array($vector1[0] + $vector2[0], $vector1[1] + $vector2[1]);

- }

-

- /**

- */

- function scale($vector, $length)

- {

- if (sizeof($vector) == 2)

- {

- return array($vector[0] * $length, $vector[1] * $length);

- }

-

- return array($vector[0] * $length, $vector[1] * $length, $vector[2] * $length);

- }

-

- /**

- */

- function gen_poly($xoff, $yoff, &$vec1, &$vec2, &$vec3, &$vec4)

- {

- $poly = array();

- $poly[0] = $xoff + $vec1[0];

- $poly[1] = $yoff + $vec1[1];

- $poly[2] = $xoff + $vec2[0];

- $poly[3] = $yoff + $vec2[1];

- $poly[4] = $xoff + $vec3[0];

- $poly[5] = $yoff + $vec3[1];

- $poly[6] = $xoff + $vec4[0];

- $poly[7] = $yoff + $vec4[1];

-

- return $poly;

- }

-

- /**

- * dimensions

- */

- function dimensions($size)

- {

- $xn = $this->scale($this->basis_matrix[$this->x], -($this->bitmap_width / 2) * $size);

- $xp = $this->scale($this->basis_matrix[$this->x], ($this->bitmap_width / 2) * $size);

- $yn = $this->scale($this->basis_matrix[$this->y], -($this->bitmap_height / 2) * $size);

- $yp = $this->scale($this->basis_matrix[$this->y], ($this->bitmap_height / 2) * $size);

-

- $p = array();

- $p[0] = $this->sum2($xn, $yn);

- $p[1] = $this->sum2($xp, $yn);

- $p[2] = $this->sum2($xp, $yp);

- $p[3] = $this->sum2($xn, $yp);

-

- $min_x = $max_x = $p[0][0];

- $min_y = $max_y = $p[0][1];

-

- for ($i = 1; $i < 4; ++$i)

- {

- $min_x = ($min_x > $p[$i][0]) ? $p[$i][0] : $min_x;

- $min_y = ($min_y > $p[$i][1]) ? $p[$i][1] : $min_y;

- $max_x = ($max_x < $p[$i][0]) ? $p[$i][0] : $max_x;

- $max_y = ($max_y < $p[$i][1]) ? $p[$i][1] : $max_y;

- }

-

- return array($min_x, $min_y, $max_x, $max_y);

- }

-}

-

-class colour_manager

-{

- var $img;

- var $mode;

- var $colours;

- var $named_colours;

-

- /**

- * Create the colour manager, link it to the image resource

- */

- function __construct($img, $background = false, $mode = 'ahsv')

- {

- $this->img = $img;

- $this->mode = $mode;

- $this->colours = array();

- $this->named_colours = array();

-

- if ($background !== false)

- {

- $bg = $this->allocate_named('background', $background);

- imagefill($this->img, 0, 0, $bg);

- }

- }

-

- /**

- * Lookup a named colour resource

- */

- function get_resource($named_colour)

- {

- if (isset($this->named_colours[$named_colour]))

- {

- return $this->named_colours[$named_colour];

- }

-

- if (isset($this->named_rgb[$named_colour]))

- {

- return $this->allocate_named($named_colour, $this->named_rgb[$named_colour], 'rgb');

- }

-

- return false;

- }

-

- /**

- * Assign a name to a colour resource

- */

- function name_colour($name, $resource)

- {

- $this->named_colours[$name] = $resource;

- }

-

- /**

- * names and allocates a colour resource

- */

- function allocate_named($name, $colour, $mode = false)

- {

- $resource = $this->allocate($colour, $mode);

-

- if ($resource !== false)

- {

- $this->name_colour($name, $resource);

- }

- return $resource;

- }

-

- /**

- * allocates a specified colour into the image

- */

- function allocate($colour, $mode = false)

- {

- if ($mode === false)

- {

- $mode = $this->mode;

- }

-

- if (!is_array($colour))

- {

- if (isset($this->named_rgb[$colour]))

- {

- return $this->allocate_named($colour, $this->named_rgb[$colour], 'rgb');

- }

-

- if (!is_int($colour))

- {

- return false;

- }

-

- $mode = 'rgb';

- $colour = array(255 & ($colour >> 16), 255 & ($colour >> 8), 255 & $colour);

- }

-

- if (isset($colour['mode']))

- {

- $mode = $colour['mode'];

- unset($colour['mode']);

- }

-

- if (isset($colour['random']))

- {

- unset($colour['random']);

- // everything else is params

- return $this->random_colour($colour, $mode);

- }

-

- $rgb = $this->model_convert($colour, $mode, 'rgb');

- $store = ($this->mode == 'rgb') ? $rgb : $this->model_convert($colour, $mode, $this->mode);

- $resource = imagecolorallocate($this->img, $rgb[0], $rgb[1], $rgb[2]);

- $this->colours[$resource] = $store;

-

- return $resource;

- }

-

- /**

- * randomly generates a colour, with optional params

- */

- function random_colour($params = array(), $mode = false)

- {

- if ($mode === false)

- {

- $mode = $this->mode;

- }

-

- switch ($mode)

- {

- case 'rgb':

- // @TODO random rgb generation. do we intend to do this, or is it just too tedious?

- break;

-

- case 'ahsv':

- case 'hsv':

- default:

-

- $default_params = array(

- 'hue_bias' => false, // degree / 'r'/'g'/'b'/'c'/'m'/'y' /'o'

- 'hue_range' => false, // if hue bias, then difference range +/- from bias

- 'min_saturation' => 30, // 0 - 100

- 'max_saturation' => 80, // 0 - 100

- 'min_value' => 30, // 0 - 100

- 'max_value' => 80, // 0 - 100

- );

-

- $alt = ($mode == 'ahsv') ? true : false;

- $params = array_merge($default_params, $params);

-

- $min_hue = 0;

- $max_hue = 359;

- $min_saturation = max(0, $params['min_saturation']);

- $max_saturation = min(100, $params['max_saturation']);

- $min_value = max(0, $params['min_value']);

- $max_value = min(100, $params['max_value']);

-

- if ($params['hue_bias'] !== false)

- {

- if (is_numeric($params['hue_bias']))

- {

- $h = intval($params['hue_bias']) % 360;

- }

- else

- {

- switch ($params['hue_bias'])

- {

- case 'o':

- $h = $alt ? 60 : 30;

- break;

-

- case 'y':

- $h = $alt ? 120 : 60;

- break;

-

- case 'g':

- $h = $alt ? 180 : 120;

- break;

-

- case 'c':

- $h = $alt ? 210 : 180;

- break;

-

- case 'b':

- $h = 240;

- break;

-

- case 'm':

- $h = 300;

- break;

-

- case 'r':

- default:

- $h = 0;

- break;

- }

- }

-

- $min_hue = $h + 360;

- $max_hue = $h + 360;

-

- if ($params['hue_range'])

- {

- $min_hue -= min(180, $params['hue_range']);

- $max_hue += min(180, $params['hue_range']);

- }

- }

-

- $h = mt_rand($min_hue, $max_hue);

- $s = mt_rand($min_saturation, $max_saturation);

- $v = mt_rand($min_value, $max_value);

-

- return $this->allocate(array($h, $s, $v), $mode);

-

- break;

- }

- }

-

- /**

- */

- function colour_scheme($resource, $include_original = true)

- {

- $mode = 'hsv';

-

- if (($pre = $this->get_resource($resource)) !== false)

- {

- $resource = $pre;

- }

-

- $colour = $this->model_convert($this->colours[$resource], $this->mode, $mode);

- $results = ($include_original) ? array($resource) : array();

- $colour2 = $colour3 = $colour4 = $colour;

- $colour2[0] += 150;

- $colour3[0] += 180;

- $colour4[0] += 210;

-

- $results[] = $this->allocate($colour2, $mode);

- $results[] = $this->allocate($colour3, $mode);

- $results[] = $this->allocate($colour4, $mode);

-

- return $results;

- }

-

- /**

- */

- function mono_range($resource, $count = 5, $include_original = true)

- {

- if (is_array($resource))

- {

- $results = array();

- for ($i = 0, $size = sizeof($resource); $i < $size; ++$i)

- {

- $results = array_merge($results, $this->mono_range($resource[$i], $count, $include_original));

- }

- return $results;

- }

-

- $mode = (in_array($this->mode, array('hsv', 'ahsv'), true) ? $this->mode : 'ahsv');

- if (($pre = $this->get_resource($resource)) !== false)

- {

- $resource = $pre;

- }

-

- $colour = $this->model_convert($this->colours[$resource], $this->mode, $mode);

-

- $results = array();

- if ($include_original)

- {

- $results[] = $resource;

- $count--;

- }

-

- // This is a hard problem. I chicken out and try to maintain readability at the cost of less randomness.

-

- while ($count > 0)

- {

- $colour[1] = ($colour[1] + mt_rand(40,60)) % 99;

- $colour[2] = ($colour[2] + mt_rand(40,60));

- $results[] = $this->allocate($colour, $mode);

- $count--;

- }

- return $results;

- }

-

- /**

- * Convert from one colour model to another

- */

- function model_convert($colour, $from_model, $to_model)

- {

- if ($from_model == $to_model)

- {

- return $colour;

- }

-

- switch ($to_model)

- {

- case 'hsv':

-

- switch ($from_model)

- {

- case 'ahsv':

- return $this->ah2h($colour);

- break;

-

- case 'rgb':

- return $this->rgb2hsv($colour);

- break;

- }

- break;

-

- case 'ahsv':

-

- switch ($from_model)

- {

- case 'hsv':

- return $this->h2ah($colour);

- break;

-

- case 'rgb':

- return $this->h2ah($this->rgb2hsv($colour));

- break;

- }

- break;

-

- case 'rgb':

- switch ($from_model)

- {

- case 'hsv':

- return $this->hsv2rgb($colour);

- break;

-

- case 'ahsv':

- return $this->hsv2rgb($this->ah2h($colour));

- break;

- }

- break;

- }

- return false;

- }

-

- /**

- * Slightly altered from wikipedia's algorithm

- */

- function hsv2rgb($hsv)

- {

- $this->normalize_hue($hsv[0]);

-

- $h = $hsv[0];

- $s = min(1, max(0, $hsv[1] / 100));

- $v = min(1, max(0, $hsv[2] / 100));

-

- // calculate hue sector

- $hi = floor($hsv[0] / 60);

-

- // calculate opposite colour

- $p = $v * (1 - $s);

-

- // calculate distance between hex vertices

- $f = ($h / 60) - $hi;

-

- // coming in or going out?

- if (!($hi & 1))

- {

- $f = 1 - $f;

- }

-

- // calculate adjacent colour

- $q = $v * (1 - ($f * $s));

-

- switch ($hi)

- {

- case 0:

- $rgb = array($v, $q, $p);

- break;

-

- case 1:

- $rgb = array($q, $v, $p);

- break;

-

- case 2:

- $rgb = array($p, $v, $q);

- break;

-

- case 3:

- $rgb = array($p, $q, $v);

- break;

-

- case 4:

- $rgb = array($q, $p, $v);

- break;

-

- case 5:

- $rgb = array($v, $p, $q);

- break;

-

- default:

- return array(0, 0, 0);

- break;

- }

-

- return array(255 * $rgb[0], 255 * $rgb[1], 255 * $rgb[2]);

- }

-

- /**

- * (more than) Slightly altered from wikipedia's algorithm

- */

- function rgb2hsv($rgb)

- {

- $r = min(255, max(0, $rgb[0]));

- $g = min(255, max(0, $rgb[1]));

- $b = min(255, max(0, $rgb[2]));

- $max = max($r, $g, $b);

- $min = min($r, $g, $b);

-

- $v = $max / 255;

- $s = (!$max) ? 0 : 1 - ($min / $max);

-

- // if max - min is 0, we want hue to be 0 anyway.

- $h = $max - $min;

-

- if ($h)

- {

- switch ($max)

- {

- case $g:

- $h = 120 + (60 * ($b - $r) / $h);

- break;

-

- case $b:

- $h = 240 + (60 * ($r - $g) / $h);

- break;

-

- case $r:

- $h = 360 + (60 * ($g - $b) / $h);

- break;

- }

- }

- $this->normalize_hue($h);

-

- return array($h, $s * 100, $v * 100);

- }

-

- /**

- */

- function normalize_hue(&$hue)

- {

- $hue %= 360;

-

- if ($hue < 0)

- {

- $hue += 360;

- }

- }

-

- /**

- * Alternate hue to hue

- */

- function ah2h($ahue)

- {

- if (is_array($ahue))

- {

- $ahue[0] = $this->ah2h($ahue[0]);

- return $ahue;

- }

- $this->normalize_hue($ahue);

-

- // blue through red is already ok

- if ($ahue >= 240)

- {

- return $ahue;

- }

-

- // ahue green is at 180

- if ($ahue >= 180)

- {

- // return (240 - (2 * (240 - $ahue)));

- return (2 * $ahue) - 240; // equivalent

- }

-

- // ahue yellow is at 120 (RYB rather than RGB)

- if ($ahue >= 120)

- {

- return $ahue - 60;

- }

-

- return $ahue / 2;

- }

-

- /**

- * hue to Alternate hue

- */

- function h2ah($hue)

- {

- if (is_array($hue))

- {

- $hue[0] = $this->h2ah($hue[0]);

- return $hue;

- }

- $this->normalize_hue($hue);

-

- // blue through red is already ok

- if ($hue >= 240)

- {

- return $hue;

- }

- else if ($hue <= 60)

- {

- return $hue * 2;

- }

- else if ($hue <= 120)

- {

- return $hue + 60;

- }

- else

- {

- return ($hue + 240) / 2;

- }

- }

-}

-global $table_prefix;

-

-define('CAPTCHA_QUESTIONS_TABLE', $table_prefix . 'captcha_questions');

-define('CAPTCHA_ANSWERS_TABLE', $table_prefix . 'captcha_answers');

-define('CAPTCHA_QA_CONFIRM_TABLE', $table_prefix . 'qa_confirm');

-

- global $config, $db, $user;

- FROM ' . CAPTCHA_QUESTIONS_TABLE . "

- FROM ' . CAPTCHA_QUESTIONS_TABLE . "

- global $db;

- return $db_tool->sql_table_exists(CAPTCHA_QUESTIONS_TABLE);

- global $config, $db, $phpbb_root_path, $phpEx, $user;

- FROM ' . CAPTCHA_QUESTIONS_TABLE . "

- global $config, $db, $template;

- FROM ' . CAPTCHA_QUESTIONS_TABLE . "

- global $db;

- $tables = array(CAPTCHA_QUESTIONS_TABLE, CAPTCHA_ANSWERS_TABLE, CAPTCHA_QA_CONFIRM_TABLE);

- CAPTCHA_QUESTIONS_TABLE => array (

- 'question_id' => array('UINT', Null, 'auto_increment'),

- global $db, $user;

- FROM ' . CAPTCHA_QA_CONFIRM_TABLE . ' con, ' . CAPTCHA_QUESTIONS_TABLE . " qes

- global $db, $template;

- FROM ' . CAPTCHA_QUESTIONS_TABLE;

- global $db;

- FROM ' . CAPTCHA_QUESTIONS_TABLE . '

- global $db, $cache;

- $sql = 'UPDATE ' . CAPTCHA_QUESTIONS_TABLE . '

- $cache->destroy('sql', CAPTCHA_QUESTIONS_TABLE);

- global $db, $cache;

- $sql = 'INSERT INTO ' . CAPTCHA_QUESTIONS_TABLE . ' ' . $db->sql_build_array('INSERT', $question_ary);

- $cache->destroy('sql', CAPTCHA_QUESTIONS_TABLE);

- global $db, $cache;

- $tables = array(CAPTCHA_QUESTIONS_TABLE, CAPTCHA_ANSWERS_TABLE);

- global $config, $db;

- FROM ' . CAPTCHA_QUESTIONS_TABLE . "