/**
* Saves avatar to DB and outputs that as PNG
* @param int $id
*/
public function generate($id)
{
$uid = (int) $id;
$user = User::get($uid);
$initial = strtoupper($user->username[0]);
$bI = rand(0, 41);
$color = $this->BACKGROUND_COLORS[$bI];
$rgb = $this->hex2rgb($color);
// Create a 300x100 image
$im = imagecreatetruecolor(128, 128);
$red = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]);
$black = imagecolorallocate($im, 0xff, 0xff, 0xff);
// Make the background red
imagefilledrectangle($im, 0, 0, 128, 128, $red);
// Path to our ttf font file
$font_file = ASSET_DIR . 'img/general/SourceCodePro-Light.ttf';
// Draw the text 'PHP Manual' using font size 13
imagefttext($im, 80, 0, 32, 100, $black, $font_file, $initial);
// Output image to the browser
header('Content-Type: image/png');
$name = $initial . '_' . str_replace('#', '', $color) . '.png';
imagepng($im, AVATAR_PATH . $name);
$resizer = new \Ext\ImageResize();
$iconW = 36;
$iconH = 36;
$iconPath = AVATAR_PATH . 'icons/' . $name;
$success = $resizer->smart_resize_image(AVATAR_PATH . $name, NULL, $iconW, $iconH, true, $iconPath, FALSE, FALSE, 75);
if (!$success) {
@copy(AVATAR_PATH . $name, $iconPath);
}
$user->set(array('avatar' => $name));
imagepng($im);
imagedestroy($im);
}
/**
* Outputs the Captcha image.
*
* @param boolean html output
* @return mixed
*/
public function render($html)
{
// Creates a black image to start from
$this->image_create(Captcha::$config['background']);
// Add random white/gray arcs, amount depends on complexity setting
$count = (Captcha::$config['width'] + Captcha::$config['height']) / 2;
$count = $count / 5 * min(10, Captcha::$config['complexity']);
for ($i = 0; $i < $count; $i++) {
imagesetthickness($this->image, mt_rand(1, 2));
$color = imagecolorallocatealpha($this->image, 255, 255, 255, mt_rand(0, 120));
imagearc($this->image, mt_rand(-Captcha::$config['width'], Captcha::$config['width']), mt_rand(-Captcha::$config['height'], Captcha::$config['height']), mt_rand(-Captcha::$config['width'], Captcha::$config['width']), mt_rand(-Captcha::$config['height'], Captcha::$config['height']), mt_rand(0, 360), mt_rand(0, 360), $color);
}
// Use different fonts if available
$font = Captcha::$config['fontpath'] . Captcha::$config['fonts'][array_rand(Captcha::$config['fonts'])];
// Draw the character's white shadows
$size = (int) min(Captcha::$config['height'] / 2, Captcha::$config['width'] * 0.8 / strlen($this->response));
$angle = mt_rand(-15 + strlen($this->response), 15 - strlen($this->response));
$x = mt_rand(1, Captcha::$config['width'] * 0.9 - $size * strlen($this->response));
$y = (Captcha::$config['height'] - $size) / 2 + $size;
$color = imagecolorallocate($this->image, 255, 255, 255);
imagefttext($this->image, $size, $angle, $x + 1, $y + 1, $color, $font, $this->response);
// Add more shadows for lower complexities
Captcha::$config['complexity'] < 10 and imagefttext($this->image, $size, $angle, $x - 1, $y - 1, $color, $font, $this->response);
Captcha::$config['complexity'] < 8 and imagefttext($this->image, $size, $angle, $x - 2, $y + 2, $color, $font, $this->response);
Captcha::$config['complexity'] < 6 and imagefttext($this->image, $size, $angle, $x + 2, $y - 2, $color, $font, $this->response);
Captcha::$config['complexity'] < 4 and imagefttext($this->image, $size, $angle, $x + 3, $y + 3, $color, $font, $this->response);
Captcha::$config['complexity'] < 2 and imagefttext($this->image, $size, $angle, $x - 3, $y - 3, $color, $font, $this->response);
// Finally draw the foreground characters
$color = imagecolorallocate($this->image, 0, 0, 0);
imagefttext($this->image, $size, $angle, $x, $y, $color, $font, $this->response);
// Output
return $this->image_render($html);
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
$hit = "Считай детерминант!";
$a = rand(1, 9);
$b = rand(1, 9);
$c = rand(1, 9);
$d = rand(1, 9);
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imageline($canvas, 20, 10, 20, 60, $color);
imageline($canvas, 160, 10, 160, 60, $color);
$rand = " =?";
for ($i = 0; $i < strlen($rand); $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 20, rand(-45, 45), 144 + 20 * $i, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $rand[$i]);
}
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 20, rand(-5, 5), 40, 20, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $a);
imagefttext($canvas, 20, rand(-5, 5), 40, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $b);
imagefttext($canvas, 20, rand(-5, 5), 120, 20, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $c);
imagefttext($canvas, 20, rand(-5, 5), 120, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $d);
imagefttext($canvas, 11, rand(-5, 5), 15, 75, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $hit);
$nme = $this->ucaptcha->get_filename();
//imagepng($canvas,$captcha_img_path."/".$nme.".png");
imagepng($canvas);
$ans = $a * $d - $b * $c;
$captcha[0] = $nme;
$captcha[1] = $ans;
return $captcha;
}
function msg($msg)
{
$container = imagecreate(250, 170);
//SET SIZE OF IMAGE
$black = imagecolorallocate($container, 0, 0, 0);
//set RGB for black
$white = imagecolorallocate($container, 255, 255, 255);
//set RGB for white
$font = '/Library/Fonts/Arial.ttf';
//grab the font from my harddrive
imagefilledrectangle($container, 0, 0, 250, 170, $black);
// crate rectangle graphic
$px = imagesx($container) / (strlen($msg) / 1.15);
// x axis position
$py = imagesy($container) / 3.5;
// ;y axis position
// Write text to the image using fonts using FreeType 2
imagefttext($container, 28, -27, $px, $py, $white, $font, $msg);
header("Content-type: image/png");
// Change header type
imagepng($container, null);
// Output a png image to either the browser or a file
imagedestroy($container);
// Frees any memory associated with the image
}
function vCode($num = 4, $size = 20, $width = 0, $height = 0)
{
!$width && ($width = $num * $size * 4 / 5 + 5);
!$height && ($height = $size + 10);
$str = "0123456789";
//验证码字符全集
$code = '';
for ($i = 0; $i < $num; $i++) {
$code .= $str[mt_rand(0, strlen($str) - 1)];
}
// 画图像
$im = imagecreatetruecolor($width, $height);
// 定义要用到的颜色
$back_color = imagecolorallocate($im, 255, 255, 255);
// $boer_color = imagecolorallocate($im, 100, 100, 100);
$text_color = imagecolorallocate($im, 50, 50, 50);
// 画背景
imagefilledrectangle($im, 0, 0, $width, $height, $back_color);
// 画边框
// imagerectangle($im, 0, 0, $width-1, $height-1, $boer_color);
// 画干扰线
for ($i = 0; $i < 30; $i++) {
$font_color = imagecolorallocate($im, 0, 0, 0);
imagearc($im, mt_rand(-$width, $width), mt_rand(-$height, $height), mt_rand(30, $width * 2), mt_rand(20, $height * 2), mt_rand(0, 360), mt_rand(0, 360), $font_color);
}
// 画验证码
@imagefttext($im, $size, 0, 5, $size + 3, $text_color, 'images/index/Callie-Mae.ttf', $code);
$_SESSION["VerifyCode"] = $code;
header("Cache-Control: max-age=1, s-maxage=1, no-cache, must-revalidate");
header("Content-type: image/png;charset=gb2312");
imagepng($im);
imagedestroy($im);
}
public function genImage()
{
// text to be printed
if (!$this->value) {
$this->value = $this->genValue();
}
$chars = mb_strlen($this->value, "utf8");
// create canvas
$image = imagecreatetruecolor($this->config["width"], $this->config["height"]);
$bg = imagecolorallocate($image, $this->config["background"][0], $this->config["background"][1], $this->config["background"][2]);
$fg = imagecolorallocate($image, $this->config["color"][0], $this->config["color"][1], $this->config["color"][2]);
imagefill($image, $this->config["width"] / 2, $this->config["height"] / 2, $bg);
// font size
if ($this->config["minfont"] == "auto") {
$fsmin = min($this->config["width"] / ($chars + 1), $this->config["height"]);
} else {
$fsmin = $this->config["minfont"];
}
if ($this->config["maxfont"] == "auto") {
$fsmax = min($this->config["width"] / ($chars + 1), $this->config["height"]);
} else {
$fsmax = $this->config["maxfont"];
}
// Padding - offset of the text
$xStart = -$fsmax / 2;
$xEnd = $this->config["width"];
$yStart = $this->config["height"] * 0.6;
$yEnd = $this->config["height"] * 0.8;
// angle
$angle = mt_rand(-15, 15);
// print chars
for ($i = 0; $i < $chars; $i++) {
$angle += mt_rand(-3, 3);
$xStart += $fsmax;
imagefttext($image, mt_rand($fsmin, $fsmax), $angle, $xStart, mt_rand($yStart, $yEnd), $fg, $this->config["font"], mb_substr($this->value, $i, 1, "utf8"));
}
// Add some noise to the image.
if ($this->config["noise"]) {
for ($i = 0; $i < $this->config["noise"]; $i++) {
$color = imagecolorallocate($image, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
for ($j = 0; $j < $this->config["width"] * $this->config["height"] / 100; $j++) {
imagesetpixel($image, mt_rand(0, $this->config["width"]), mt_rand(0, $this->config["height"]), $color);
}
}
}
// blur image
if ($this->config["blur"]) {
imagefilter($image, IMG_FILTER_GAUSSIAN_BLUR);
}
// send image
if ($this->config["format"] == "png") {
header("Content-type: image/png");
imagepng($image);
} else {
header("Content-type: image/jpeg");
imagejpeg($image, null, 80);
}
imagedestroy($image);
//return $image;
}
function generateImage(&$captcha)
{
$width = $this->getWidth();
$height = $this->getHeight();
$length = String::strlen($captcha->getValue());
$value = $captcha->getValue();
$image = imagecreatetruecolor($width, $height);
$fg = imagecolorallocate($image, rand(128, 255), rand(128, 255), rand(128, 255));
$bg = imagecolorallocate($image, rand(0, 64), rand(0, 64), rand(0, 64));
imagefill($image, $width / 2, $height / 2, $bg);
$xStart = rand($width / 12, $width / 3);
$xEnd = rand($width * 2 / 3, $width * 11 / 12);
for ($i = 0; $i < $length; $i++) {
imagefttext($image, rand(20, 34), rand(-15, 15), $xStart + ($xEnd - $xStart) * $i / $length + rand(-5, 5), rand(40, 60), $fg, Config::getVar('captcha', 'font_location'), String::substr($value, $i, 1));
}
// Add some noise to the image.
for ($i = 0; $i < 20; $i++) {
$color = imagecolorallocate($image, rand(0, 255), rand(0, 255), rand(0, 255));
for ($j = 0; $j < 20; $j++) {
imagesetpixel($image, rand(0, $this->getWidth()), rand(0, $this->getHeight()), $color);
}
}
header('Content-type: ' . $this->getMimeType());
imagepng($image);
imagedestroy($image);
}
function generate_image($canvas)
{
/* Algorithm - Vieta's theorem: b = -(x1 + x2), c = x1 * x2 */
global $captcha_font_path, $captcha_img_path;
/* Roots */
$x1 = $this->rand_except_zero(-20, 20);
$x2 = $this->rand_except_zero(-20, 20);
/* Coefficients */
$a = $this->rand_except_zero(-5, 5);
$b = -($x1 + $x2) * $a;
$c = $x1 * $x2 * $a;
switch (rand(0, 1)) {
case 0:
$hit = "max(x1, x2)=?";
$ans = max($x1, $x2);
break;
case 1:
$hit = "min(x1, x2)=?";
$ans = min($x1, $x2);
break;
}
/* Format output */
$eq = $this->format($a, $b, $c);
for ($i = 0; $i < strlen($eq); $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 12, rand(-5, 5), 5 + 12 * $i, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $eq[$i]);
}
imagefttext($canvas, 10, rand(-5, 5), 20, 75, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $hit);
$nme = $this->ucaptcha->get_filename();
imagepng($canvas);
$captcha[0] = $nme;
$captcha[1] = (string) $ans;
return $captcha;
}
/**
* @param Thumbnail $thumbnail
* @return void
* @throws Exception\NoThumbnailAvailableException
*/
public function refresh(Thumbnail $thumbnail)
{
$temporaryPathAndFilename = null;
try {
$filename = pathinfo($thumbnail->getOriginalAsset()->getResource()->getFilename(), PATHINFO_FILENAME);
$temporaryLocalCopyFilename = $thumbnail->getOriginalAsset()->getResource()->createTemporaryLocalCopy();
$temporaryPathAndFilename = $this->environment->getPathToTemporaryDirectory() . uniqid('ProcessedFontThumbnail-') . '.' . $filename . '.jpg';
$width = 1000;
$height = 1000;
$im = imagecreate($width, $height);
$red = imagecolorallocate($im, 0xff, 0xff, 0xff);
$black = imagecolorallocate($im, 0x0, 0x0, 0x0);
imagefilledrectangle($im, 0, 0, 1000, 1000, $red);
imagefttext($im, 48, 0, 80, 150, $black, $temporaryLocalCopyFilename, 'Neos Font Preview');
imagefttext($im, 32, 0, 80, 280, $black, $temporaryLocalCopyFilename, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ');
imagefttext($im, 32, 0, 80, 360, $black, $temporaryLocalCopyFilename, 'abcdefghijklmopqrstuvwxyz');
imagefttext($im, 32, 0, 80, 440, $black, $temporaryLocalCopyFilename, '1234567890');
imagefttext($im, 32, 0, 80, 560, $black, $temporaryLocalCopyFilename, '+ " * ç % & / ( ) = ? @ €');
imagejpeg($im, $temporaryPathAndFilename);
$resource = $this->resourceManager->importResource($temporaryPathAndFilename);
$processedImageInfo = $this->resize($thumbnail, $resource);
$thumbnail->setResource($processedImageInfo['resource']);
$thumbnail->setWidth($processedImageInfo['width']);
$thumbnail->setHeight($processedImageInfo['height']);
Files::unlink($temporaryPathAndFilename);
} catch (\Exception $exception) {
Files::unlink($temporaryPathAndFilename);
$filename = $thumbnail->getOriginalAsset()->getResource()->getFilename();
$sha1 = $thumbnail->getOriginalAsset()->getResource()->getSha1();
$message = sprintf('Unable to generate thumbnail for the given font (filename: %s, SHA1: %s)', $filename, $sha1);
throw new Exception\NoThumbnailAvailableException($message, 1433109653, $exception);
}
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
$txt = $this->get_random_question();
$rand = $txt[0];
$lines = explode("\n", $rand);
for ($i = 0; $i < count($lines); $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 7 + rand(0, 3), rand(-5, 5), 5, 40 + $i * 10, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $lines[$i]);
}
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 8, rand(-5, 5), 5, 10 + $i * 10, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $txt[1]);
$nme = $this->ucaptcha->get_filename();
imagepng($canvas);
//imagepng($canvas,$captcha_img_path."/".$nme.".png");
$captcha[0] = $nme;
switch ($l) {
case 0:
$captcha[1] = 'Вюрца';
break;
case 1:
$captcha[1] = 'Вюрца-Фиттига';
break;
case 2:
$captcha[1] = 'Зинина';
break;
case 3:
$captcha[1] = 'Кучерова';
break;
case 4:
$captcha[1] = 'Коновалова';
break;
}
return $captcha;
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
imagesetthickness($canvas, 1);
//$rand = preg_replace("/([0-9])/e","chr((\\1+112))",rand(100000,999999));
$var = rand(0, 1);
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
$liney = rand(3, 6);
$linex = rand(6, 12);
for ($i = $liney; $i > 0; $i--) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
// if ($i==0)
// {
// $this->arrow($canvas,10,$i*60/$liney,200,$i*60/$liney, 5, 5, $color );
// }
// else
// {
imageline($canvas, 10, $i * 60 / $liney, 200, $i * 60 / $liney, $color);
// }
imagefttext($canvas, 8, rand(-45, 45), 3, $i * 60 / $liney, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $liney - $i);
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
}
for ($i = 0; $i < $linex; $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imageline($canvas, 30 + $i * 160 / $linex, 0, 30 + $i * 160 / $linex, 70, $color);
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 8, rand(-45, 45), 30 + $i * 160 / $linex, 80, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $i);
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
}
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagesetthickness($canvas, 1);
$x = rand(0, $linex - 1);
$y = rand(0, $liney - 1);
for ($i = -5; $i < 5; $i++) {
$xr = rand(0, $linex);
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
$yr = rand(0, $liney);
imageline($canvas, 30 + $x * 160 / $linex, ($liney - $y) * 60 / $liney, 30 + $xr * 160 / $linex, ($liney - $yr) * 60 / $liney, $color);
}
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
//echo "!".$x."===".$y."!<br>";
if ($var) {
imagefttext($canvas, 20, rand(-45, 45), 40 + 20, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", "y=?");
} else {
imagefttext($canvas, 12, rand(-45, 45), 100, 70, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", "X=?");
}
$nme = $this->ucaptcha->get_filename();
imagepng($canvas);
//imagepng($canvas,$captcha_img_path."/".$nme.".png");
$captcha[0] = $nme;
if ($var) {
$captcha[1] = $y;
$captcha[2] = "Введите координату Y точки, откуда берут начало прямые";
} else {
$captcha[1] = $x;
$captcha[2] = "Введите координату X точки, откуда берут начало прямые";
}
return $captcha;
}
private function nameToImage()
{
$fontcolor = imagecolorallocate($this->image, $this->fontcolor_red, $this->fontcolor_green, $this->fontcolor_blue);
if (preg_match("/^([0-9a-zA-Z_]|[[:punct:]])\$/", $this->name_arr, $this->matches)) {
imagefttext($this->image, $this->img_width * 0.52, 0, $this->img_width * 0.33, $this->img_width * 0.7, $fontcolor, $this->font_file, $this->matches[0]);
} else {
imagefttext($this->image, $this->img_width * 0.52, 0, $this->img_width * 0.17, $this->img_width * 0.73, $fontcolor, $this->font_file, $this->name_arr);
}
}
private function makeImage()
{
$achievement = imagecreatefrompng($this->background);
imagesavealpha($achievement, true);
imagecopyresampled($achievement, $this->iconImage, 16, 16, 0, 0, 32, 32, 32, 32);
imagefttext($achievement, 12, 0, 60, 28, imagecolorallocate($achievement, 255, 255, 0), $this->font, $this->topText);
imagefttext($achievement, 12, 0, 60, 50, imagecolorallocate($achievement, 255, 255, 255), $this->font, $this->bottomText);
//imagefttext($achievement, 6, 0, 10, 57, imagecolorallocate($achievement, 255, 255, 0), $this->font, "achievecraft.net");
return $achievement;
}
public function mkCode($num = 4, $size = 20, $width = 0, $height = 0)
{
// $num => 验证码字符数目
// $size => 字符大小(注意单位是pt不是px)
// $width这只是大概的图像宽度，因为不同字体的同样font-size所占width也是有微小差距的
!$width && ($width = $num * $size);
//根据要显示验证码字符长度设置验证码图像长度
!$height && ($height = $size + 10);
//设置图像的高度
$font_url = dirname(dirname(__FILE__)) . "/font/mywanderingheart.ttf";
//如果字体路径错误：会无法显示验证码，但是有图像（后面这一点得看情况）
// 我们要显示的验证码字符集合
$str = "23456789abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVW";
//要显示的验证码
$code = '';
for ($i = 0; $i < $num; $i++) {
$code .= $str[mt_rand(0, strlen($str) - 1)];
}
// 画图像,新建一个真彩色图像,并返回一个图像标识符赋值给 $im
$im = imagecreatetruecolor($width, $height);
// 定义要用到的颜色
$background_color = imagecolorallocate($im, 255, 255, 255);
//这里默认白色背景
$border_color = imagecolorallocate($im, 255, 255, 255);
//这里默认白色边框
$text_color = imagecolorallocate($im, 50, 50, 50);
//这里默认淡黑色字体颜色
// 画背景
imagefilledrectangle($im, 0, 0, $width, $height, $background_color);
// 画边框（该函数事实上是画一个矩形）
imagerectangle($im, 0, 0, $width - 1, $height - 1, $border_color);
// 画干扰点
for ($i = 0; $i < 10 * $num; $i++) {
$font_color = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagesetpixel($im, mt_rand(0, $width), mt_rand(0, $height), $font_color);
}
// 默认画4条干扰线
//这地方可以自己研究一下
for ($i = 0; $i < 4; $i++) {
$font_color = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagearc($im, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, 360), mt_rand(0, 360), $font_color);
// imagearc($im, 0, 0, $width*2, $height, 0, 90, $font_color);
}
//好吧，是时候把验证码字符画上去了
@imagefttext($im, $size, 0, 10, $size + 5, $text_color, $font_url, $code);
// 喂,浏览器！我给你发的这个东西不要从你的缓存中拿啊。还有啊，这是一个png图像，不要解析错了。
header("Cache-Control: max-age=1, s-maxage=1, no-cache, must-revalidate");
header("Content-type: image/png;charset=utf-8");
// imagepng 以 PNG 格式将图像输出到浏览器,如果指定了第二个参数 filename 将保存图像到文件
// 例如imagepng( $im, '1.png' ); 将图像保存到同级目录下的1.png文件(如果该文件已存在则覆盖)
imagepng($im);
imagedestroy($im);
return $code;
//把验证码字符返回
}
public function msg($msg)
{
$container = imagecreatefromjpeg('images/captcha_bg.jpg');
$black = imagecolorallocate($container, 0, 0, 0);
//$white = imagecolorallocate($container,255,255,255);
$font = 'fonts/acce.ttf';
imagerectangle($container, 0, 0, 200, 100, $black);
imagefttext($container, 24, 0, 22, 62, $black, $font, $msg);
//can make a randomizer
imagepng($container, 'images/newCaptcha.jpg');
imagedestroy($container);
}
public static function make($is_text = 'no')
{
global $uri;
// $db1=array('so','feel','catch','great','well','type','run','fast','call','like','hot','cold','cool','can','write','read','speed');
// $db2=array('me','what','baby','care','rank','park','summer','katy');
// shuffle($db1);
// shuffle($db2);
$main_img = imagecreatetruecolor(250, 78);
$bg_color = imagecolorallocate($main_img, 255, 255, 255);
imagefill($main_img, 0, 0, $bg_color);
$captcha_str = String::randNumber(6);
// $captcha_str = $db1[0] . ' ' . $db2[0];
$dbColor = array(0 => array(100, 161, 39), 1 => array(64, 64, 64), 2 => array(65, 192, 209), 3 => array(237, 89, 26), 4 => array(237, 26, 72), 5 => array(163, 39, 161), 6 => array(78, 207, 96), 7 => array(219, 24, 157));
$dbRotator = array(45, 10, 30, -5, -10, -30, -50);
$dbUpDown = array(55, 40, 50, 45, 35, 30, 65);
$font_file = ROOT_PATH . 'uploads/Eirik Raude.ttf';
$strLen = strlen($captcha_str);
$space = 20;
for ($i = 0; $i < $strLen; $i++) {
$colorRand = rand(0, 7);
$rotatorRand = rand(0, 5);
$updownRand = rand(0, 3);
$black = imagecolorallocate($main_img, $dbColor[$colorRand][0], $dbColor[$colorRand][1], $dbColor[$colorRand][2]);
imagefttext($main_img, 30, $dbRotator[$rotatorRand], $space, $dbUpDown[$updownRand], $black, $font_file, $captcha_str[$i]);
$space += 20;
}
// $colorRand = rand(0, 7);
//
// $black = imagecolorallocate($main_img, $dbColor[$colorRand][0], $dbColor[$colorRand][1], $dbColor[$colorRand][2]);
//
// imagefttext($main_img, 30, 0, 15, 55, $black, $font_file, $captcha_str);
// Create session
$hash = md5($captcha_str);
// self::$thisHash=$hash;
if (!isset($_SESSION['captcha'])) {
$_SESSION['captcha'] = array();
}
$_SESSION['captcha'][$hash] = 'OK';
// End create session
if ($is_text == 'no') {
header("Content-type: image/png");
imagepng($main_img);
} else {
$savePath = ROOT_PATH . 'uploads/' . String::randAlpha(12) . '.png';
imagepng($main_img, $savePath);
// $dataImg = ob_get_contents();
// ob_end_clean();
$dataImg = file_get_contents($savePath);
unlink($savePath);
return 'data:image/png;base64,' . base64_encode($dataImg);
}
}
/**
* @param resource &$objResource
*
* @return bool
*/
public function render(&$objResource)
{
$strFontPath = class_resourceloader::getInstance()->getPathForFile("/system/fonts/" . $this->strFont);
if ($strFontPath !== false && is_file(_realpath_ . $strFontPath)) {
$intColor = $this->allocateColor($objResource, $this->arrColor);
$strText = html_entity_decode($this->strText, ENT_COMPAT, "UTF-8");
imagealphablending($objResource, true);
imagefttext($objResource, $this->floatSize, $this->floatAngle, $this->intX, $this->intY, $intColor, _realpath_ . $strFontPath, $strText);
imagealphablending($objResource, false);
return true;
}
return false;
}
function text2image($height, $text)
{
header("Content-type: image/png");
$width = $height * strlen($text)/ 5 * 2;
$font = "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf";
$image = imageCreate($width, $height);
$backgroundColor = imageColorAllocate($image, 255, 255, 255);
$textColor = imageColorAllocate($image, 0, 0, 0);
imagefttext($image, $height/2, 0, 0, $height/10*9, $textColor, $font, $text);
imageInterlace($image, 1);
imageColorTransparent($image, $backgroundColor);
imagePNG($image);
}
private function _image($string, array $options)
{
ob_clean();
$height = !empty($options['height']) ? intval($options['height']) : $this->height;
$width = ceil($height * 13 / 24);
$text_offset = floor($height * 2 / 13);
$text_y = floor($height * 18 / 24);
$font_size_min = floor($width / 18 * 24);
$font_size_max = floor($width / 16 * 24);
$imageY = $height;
//the image height
$imageX = strlen($string) * $width;
//the image width
$im = imagecreatetruecolor($imageX, $imageY);
//背景
$bgcolor = mt_rand(0, 3);
imagefill($im, 0, 0, imagecolorallocate($im, $this->bgcolors[$bgcolor][0], $this->bgcolors[$bgcolor][1], $this->bgcolors[$bgcolor][2]));
//角度旋转写入
$color = mt_rand(0, 2);
$fontColor = imagecolorallocate($im, $this->colors[$color][0], $this->colors[$color][1], $this->colors[$color][2]);
$font = mt_rand(0, 1);
for ($i = 0; $i < strlen($string); $i++) {
$angle = mt_rand(-$this->angle, $this->angle);
//角度随机
$fontsize = mt_rand($font_size_min, $font_size_max);
//字体大小随机
imagefttext($im, $fontsize, $angle, $text_offset + $i * ($width - $text_offset), $text_y, $fontColor, $this->fonts[$font], $string[$i]);
}
//扭曲
$dstim = imagecreatetruecolor($imageX, $imageY);
imagefill($dstim, 0, 0, imagecolorallocate($dstim, 255, 255, 255));
$this->contort = mt_rand(1, $this->contort);
$funcs = array('sin', 'cos');
$func = $funcs[mt_rand(0, 1)];
for ($j = 0; $j < $imageY; $j++) {
$amend = round($func($j / $imageY * 2 * M_PI - M_PI * 0.5) * $this->contort);
for ($i = 0; $i < $imageX; $i++) {
$rgb = imagecolorat($im, $i, $j);
imagesetpixel($dstim, $i + $amend, $j, $rgb);
}
}
//边框
if (empty($options['no_border'])) {
$border = imagecolorallocate($dstim, 222, 222, 222);
imagerectangle($dstim, 0, 0, $imageX - 1, $imageY - 1, $border);
}
header("content-type:image/png\r\n");
imagepng($dstim);
imagedestroy($im);
imagedestroy($dstim);
}
/**
* {@inheritdoc}
*/
public function draw(CanvasInterface $canvas, Text $text)
{
$x = $text->getCoordinate()->getX();
$y = $text->getCoordinate()->getY();
$width = $this->getWidth();
$outlineColor = $this->getColor()->getValue();
$result = true;
for ($xc = $x - abs($width); $xc <= $x + abs($width); $xc++) {
for ($yc = $y - abs($width); $yc <= $y + abs($width); $yc++) {
$result = @imagefttext($canvas->getHandler(), $text->getFontSize(), $text->getAngle(), $xc, $yc + $text->getFontSize(), $outlineColor, $text->getFont(), $text->getString(), array('linespacing' => $text->getLineSpacing()));
}
}
return (bool) ($result && @imagefttext($canvas->getHandler(), $text->getFontSize(), $text->getAngle(), $text->getCoordinate()->getX(), $text->getCoordinate()->getY() + $text->getFontSize(), $text->getColor()->getValue(), $text->getFont(), $text->getString(), array('linespacing' => $text->getLineSpacing())));
}
public function apply($resource)
{
// Find original dimensions:
$imageWidth = imagesx($resource->image);
$imageHeight = imagesy($resource->image);
$fontbox = imageftbbox($this->settings->size, 0, realpath($this->settings->font), $this->settings->text);
$width = $fontbox[4] - $fontbox[6];
$width += $this->settings->padding * 2;
$height = $fontbox[1] - $fontbox[7];
$height += $this->settings->padding * 2;
$image = imagecreatetruecolor($width, $height);
$bg = new Colour($this->settings->bg);
$fg = new Colour($this->settings->fg);
$bg = $bg->allocate($image);
$fg = $fg->allocate($image);
imagesavealpha($image, true);
imagesavealpha($resource->image, true);
imagefill($image, 0, 0, $bg);
imagefttext($image, $this->settings->size, 0, $this->settings->padding, $this->settings->size + $this->settings->padding, $fg, realpath($this->settings->font), $this->settings->text);
$margin = $this->settings->margin;
// Calculate X alignment:
if ($this->settings->xalign == 'left') {
$offsetX = $margin;
} else {
if ($this->settings->xalign == 'right') {
$offsetX = round(max($imageWidth, $width) - min($imageWidth, $width)) - $margin;
} else {
$offsetX = 0 - round((min($imageWidth, $width) - max($imageWidth, $width)) / 2);
}
}
// Invert X:
//if ($imageWidth < $width) {
// $offsetX = 0 - $offsetX;
//}
// Calculate Y alignment:
if ($this->settings->yalign == 'top') {
$offsetY = $margin;
} else {
if ($this->settings->yalign == 'bottom') {
$offsetY = round(max($imageHeight, $height) - min($imageHeight, $height)) - $margin;
} else {
$offsetY = 0 - round((min($imageHeight, $height) - max($imageHeight, $height)) / 2);
}
}
// Invert Y:
//if ($imageHeight < $height) {
// $offsetY = 0 - $offsetY;
//}
imagecopyresampled($resource->image, $image, $offsetX, $offsetY, 0, 0, $width, $height, $width, $height);
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
$hit = "R=? (Ohms)";
$a1 = rand(0, 9);
$a2 = rand(0, 9);
$a3 = rand(0, 9);
$m = rand(0, 9);
$lcolor[0] = imagecolorallocate($canvas, 0, 0, 0);
// black
$lcolor[1] = imagecolorallocate($canvas, 150, 75, 0);
// brown
$lcolor[2] = imagecolorallocate($canvas, 255, 0, 0);
// red
$lcolor[3] = imagecolorallocate($canvas, 255, 165, 0);
// orange
$lcolor[4] = imagecolorallocate($canvas, 255, 255, 0);
// yellow
$lcolor[5] = imagecolorallocate($canvas, 0, 255, 0);
// green
$lcolor[6] = imagecolorallocate($canvas, 0, 0, 255);
// blue
$lcolor[7] = imagecolorallocate($canvas, 139, 0, 255);
// violet
$lcolor[8] = imagecolorallocate($canvas, 127, 127, 127);
// grey
$lcolor[9] = imagecolorallocate($canvas, 255, 255, 255);
// white
// выводы резистора
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefilledrectangle($canvas, 20, 33, 40, 37, $color);
imagefilledrectangle($canvas, 140, 33, 160, 37, $color);
// тело резистора
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefilledrectangle($canvas, 40, 20, 140, 50, $color);
// линии
imagefilledrectangle($canvas, 55, 20, 65, 50, $lcolor[$a1]);
imagefilledrectangle($canvas, 75, 20, 85, 50, $lcolor[$a2]);
imagefilledrectangle($canvas, 95, 20, 105, 50, $lcolor[$a3]);
imagefilledrectangle($canvas, 115, 20, 125, 50, $lcolor[$m]);
imagefttext($canvas, 11, rand(-5, 5), 15, 75, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $hit);
$nme = $this->ucaptcha->get_filename();
imagepng($canvas);
//imagepng($canvas,$captcha_img_path."/".$nme.".png");
$ans = ($a1 * 100 + $a2 * 10 + $a3 * 1) * pow(10, $m);
$captcha[0] = $nme;
$captcha[1] = $ans;
return $captcha;
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
$rand = preg_replace("/([0-9])/e", "chr((\\1+112))", rand(100000, 999999));
for ($i = 0; $i < strlen($rand); $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 20, rand(-45, 45), 40 + 20 * $i, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $rand[$i]);
}
$nme = $this->ucaptcha->get_filename();
//imagepng($canvas,$captcha_img_path."/".$nme.".png");
imagepng($canvas);
$captcha[0] = $nme;
$captcha[1] = $rand;
return $captcha;
}
function message($msg)
{
$canvas = imagecreate(270, 50);
$black = imagecolorallocate($canvas, 0, 0, 0);
$white = imagecolorallocate($canvas, 255, 255, 255);
$font = 'fonts/captcha.ttf';
// imagefilledrectangle(image, x1, y1, x2, y2, color)
imagefilledrectangle($canvas, 0, 0, 250, 150, $black);
// imagefttext(image, size, angle, x, y, color, fontfile, text)
imagefttext($canvas, 30, 0, 55, 38, $white, $font, $msg);
// imagepng(image)
imagepng($canvas, 'cap.png');
// Frees up the resources
imagedestroy($canvas);
}
/**
* Outputs the Captcha image.
*
* @param boolean html output
* @return mixed
*/
public function render()
{
// Init Challenge;
$this->initChallenge();
// Creates $this->image
$this->createImage(Captcha::$config['background']);
// Add a random gradient
if (empty(Captcha::$config['background'])) {
$color1 = imagecolorallocate($this->image, mt_rand(0, 100), mt_rand(0, 100), mt_rand(0, 100));
$color2 = imagecolorallocate($this->image, mt_rand(0, 100), mt_rand(0, 100), mt_rand(0, 100));
$this->gradientImage($color1, $color2);
}
// Add a few random circles
for ($i = 0, $count = mt_rand(10, Captcha::$config['complexity'] * 3); $i < $count; $i++) {
$color = imagecolorallocatealpha($this->image, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255), mt_rand(80, 120));
$size = mt_rand(5, Captcha::$config['height'] / 3);
imagefilledellipse($this->image, mt_rand(0, Captcha::$config['width']), mt_rand(0, Captcha::$config['height']), $size, $size, $color);
}
// Calculate character font-size and spacing
$default_size = min(Captcha::$config['width'], Captcha::$config['height'] * 2) / strlen($this->response);
$spacing = (int) (Captcha::$config['width'] * 0.9 / strlen($this->response));
// Background alphabetic character attributes
$color_limit = mt_rand(96, 160);
$chars = 'ABEFGJKLPQRTVY';
// Draw each Captcha character with varying attributes
for ($i = 0, $strlen = strlen($this->response); $i < $strlen; $i++) {
// Use different fonts if available
$font = Captcha::$config['fontpath'] . Captcha::$config['fonts'][array_rand(Captcha::$config['fonts'])];
$angle = mt_rand(-40, 20);
// Scale the character size on image height
$size = $default_size / 10 * mt_rand(8, 12);
$box = imageftbbox($size, $angle, $font, $this->response[$i]);
// Calculate character starting coordinates
$x = $spacing / 4 + $i * $spacing;
$y = Captcha::$config['height'] / 2 + ($box[2] - $box[5]) / 4;
// Draw captcha text character
// Allocate random color, size and rotation attributes to text
$color = imagecolorallocate($this->image, mt_rand(150, 255), mt_rand(200, 255), mt_rand(0, 255));
// Write text character to image
imagefttext($this->image, $size, $angle, $x, $y, $color, $font, $this->response[$i]);
// Draw "ghost" alphabetic character
$text_color = imagecolorallocatealpha($this->image, mt_rand($color_limit + 8, 255), mt_rand($color_limit + 8, 255), mt_rand($color_limit + 8, 255), mt_rand(70, 120));
$char = substr($chars, mt_rand(0, 14), 1);
imagettftext($this->image, $size * 2, mt_rand(-45, 45), $x - mt_rand(5, 10), $y + mt_rand(5, 10), $text_color, $font, $char);
}
// Output
return $this->renderImage();
}
/**
*
* @param string $text
* @param number $x
* @param number $y
* @param number $fontSize
* @param number $angle the angle in degrees
* @param number $red value of red component
* @param number $green value of green component
* @param number $blue value of blue component
*
* @return Text2Image
*/
public function pushText2Image($text, $x, $y, $fontSize, $angle = 0, $red = 255, $green = 255, $blue = 255)
{
$img = $this->getImageHandle();
if (!empty($img)) {
$color = imagecolorallocate($img, $red, $green, $blue);
imagefttext($img, $fontSize, $angle, $x, $y, $color, $this->fontFile, $text);
if ($this->imageType == IMAGETYPE_JPEG) {
@imagejpeg($img, $this->fileName, 100);
} else {
if ($this->imageType == IMAGETYPE_PNG) {
@imagepng($img, $this->fileName, 100);
}
}
imagedestroy($img);
}
return $this;
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
$txt = $this->get_random_question();
$rand = $txt[0];
$lines = explode("\n", $rand);
for ($i = 0; $i < count($lines); $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 7 + rand(0, 3), rand(-5, 5), 5, 10 + $i * 10, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $lines[$i]);
}
imagefttext($canvas, 8, rand(-5, 5), 5, 10 + $i * 10, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $txt[1]);
$nme = $this->ucaptcha->get_filename();
//imagepng($canvas,$captcha_img_path."/".$nme.".png");
imagepng($canvas);
$captcha[0] = $nme;
$captcha[1] = $txt[2];
return $captcha;
}
/**
* 生成验证码
* @param int $num:字符数
* @param int $size:大小
* @param int $width:宽度
* @param int $height:高度
*/
function vCode($num = 4, $size = 20, $width = 0, $height = 0)
{
if (empty($width)) {
$width = $num * $size * 4 / 5 + 5;
}
if (empty($height)) {
$height = $size + 10;
}
//组装随机字符
// 去掉了 0 1 o O l 等
$str = "23456789abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVW";
$code = '';
for ($i = 0; $i < $num; $i++) {
$code .= $str[mt_rand(0, strlen($str) - 1)];
}
// 画图像
$im = imagecreatetruecolor($width, $height);
// 定义要用到的颜色
$back_color = imagecolorallocate($im, 235, 236, 237);
$boer_color = imagecolorallocate($im, 118, 151, 199);
$text_color = imagecolorallocate($im, mt_rand(0, 200), mt_rand(0, 120), mt_rand(0, 120));
// 画背景
imagefilledrectangle($im, 0, 0, $width, $height, $back_color);
// 画边框
imagerectangle($im, 0, 0, $width - 1, $height - 1, $boer_color);
// 画干扰线
for ($i = 0; $i < 5; $i++) {
$font_color = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagearc($im, mt_rand(-$width, $width), mt_rand(-$height, $height), mt_rand(30, $width * 2), mt_rand(20, $height * 2), mt_rand(0, 360), mt_rand(0, 360), $font_color);
}
// 画干扰点
for ($i = 0; $i < 50; $i++) {
$font_color = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagesetpixel($im, mt_rand(0, $width), mt_rand(0, $height), $font_color);
}
// 画验证码
imagefttext($im, $size, 0, 5, $size + 3, $text_color, 'c:\\WINDOWS\\Fonts\\simsun.ttc', $code);
$_SESSION["VerifyCode"] = $code;
//用session保存$code，方便验证
header("Cache-Control: max-age=1, s-maxage=1, no-cache, must-revalidate");
header("Content-type: image/png;charset=utf8");
imagepng($im);
imagedestroy($im);
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
$rand = "X+";
$a1 = rand(0, 10);
$a2 = rand(-10, 15);
$rand .= $a1 . "=" . $a2;
$ans = $a2 - $a1;
for ($i = 0; $i < strlen($rand); $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 20, rand(-20, 20), 40 + 20 * $i, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $rand[$i]);
}
$nme = $this->ucaptcha->get_filename();
imagepng($canvas);
//imagepng($canvas,$captcha_img_path."/".$nme.".png");
$captcha[0] = $nme;
$captcha[1] = $ans;
return $captcha;
}
function generate_image($canvas)
{
global $captcha_font_path, $captcha_img_path;
$rand = "lim(";
$a1 = rand(0, 10);
$rand .= "{$a1} + (1/x))";
$ans = $a1;
$hit = "x -> ∞";
for ($i = 0; $i < strlen($rand); $i++) {
$color = imagecolorallocate($canvas, rand(100, 255), rand(100, 255), rand(100, 255));
imagefttext($canvas, 14, rand(-10, 10), 4 + 14 * $i, 50, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $rand[$i]);
}
imagefttext($canvas, 15, rand(-5, 5), 15, 75, $color, $captcha_font_path . "/LiberationMono-Bold.ttf", $hit);
//$nme=$this->ucaptcha->get_filename();
imagepng($canvas);
$captcha[0] = $nme;
$captcha[1] = $ans;
return $captcha;
}
