/**
* 以指定图片为模板,生成随机的验证码,存放在session库中
*/
public static function generate()
{
header('Content-Type:image/jpeg');
//加载画布
$captcha = TOOL_PATH . '/captcha/' . mt_rand(1, 8) . '.jpg';
$image = imagecreatefromjpeg($captcha);
//在画布设置颜色
$white = imagecolorallocate($image, 255, 255, 255);
$black = imagecolorallocate($image, 0, 0, 0);
$color = mt_rand(1, 2) == 1 ? $white : $black;
//待画的字符串
$code = self::getRandStr();
//保存在session库中
SessionTool::getInstance();
$_SESSION['code'] = $code;
//在画布中画矩形
imagerectangle($image, 0, 0, 199, 79, $white);
//在画布中写字
imagestring($image, 5, 52, 3, $code, $color);
//设置header头为图片
//输出图片
imagejpeg($image);
//销毁图片
imagedestroy($image);
}
/**
* Print the axis.
*/
protected function printAxis()
{
$minValue = $this->axis->getLowerBoundary();
$maxValue = $this->axis->getUpperBoundary();
$stepValue = $this->axis->getTics();
// Get graphical obects
$img = $this->plot->getImg();
$palette = $this->plot->getPalette();
$text = $this->plot->getText();
// Get the graph area
$graphArea = $this->plot->getGraphArea();
// Vertical axis
for ($value = $minValue; $value <= $maxValue; $value += $stepValue) {
$y = $graphArea->y2 - ($value - $minValue) * ($graphArea->y2 - $graphArea->y1) / $this->axis->displayDelta;
imagerectangle($img, $graphArea->x1 - 3, $y, $graphArea->x1 - 2, $y + 1, $palette->axisColor[0]->getColor($img));
imagerectangle($img, $graphArea->x1 - 1, $y, $graphArea->x1, $y + 1, $palette->axisColor[1]->getColor($img));
$text->printText($img, $graphArea->x1 - 5, $y, $this->plot->getTextColor(), $value, $text->fontCondensed, $text->HORIZONTAL_RIGHT_ALIGN | $text->VERTICAL_CENTER_ALIGN);
}
// Get first serie of a list
$pointList = $this->getFirstSerieOfList();
// Horizontal Axis
$pointCount = count($pointList);
reset($pointList);
$columnWidth = ($graphArea->x2 - $graphArea->x1) / ($pointCount - 1);
for ($i = 0; $i < $pointCount; $i++) {
$x = $graphArea->x1 + $i * $columnWidth;
imagerectangle($img, $x - 1, $graphArea->y2 + 2, $x, $graphArea->y2 + 3, $palette->axisColor[0]->getColor($img));
imagerectangle($img, $x - 1, $graphArea->y2, $x, $graphArea->y2 + 1, $palette->axisColor[1]->getColor($img));
$point = current($pointList);
next($pointList);
$label = $point->getX();
$text->printDiagonal($img, $x - 5, $graphArea->y2 + 10, $this->plot->getTextColor(), $label);
}
}
function getCode($num, $w, $h)
{
// 去掉了 0 1 O l 等
$str = "23456789abcdefghijkmnpqrstuvwxyz";
$code = '';
for ($i = 0; $i < $num; $i++) {
$code .= $str[mt_rand(0, strlen($str) - 1)];
}
//将生成的验证码写入session，备验证页面使用
$_SESSION["my_checkcode"] = $code;
//创建图片，定义颜色值
Header("Content-type: image/PNG");
$im = imagecreate($w, $h);
$black = imagecolorallocate($im, mt_rand(0, 200), mt_rand(0, 120), mt_rand(0, 120));
$gray = imagecolorallocate($im, 118, 151, 199);
$bgcolor = imagecolorallocate($im, 235, 236, 237);
//画背景
imagefilledrectangle($im, 0, 0, $w, $h, $bgcolor);
//画边框
imagerectangle($im, 0, 0, $w - 1, $h - 1, $gray);
//imagefill($im, 0, 0, $bgcolor);
//在画布上随机生成大量点，起干扰作用;
for ($i = 0; $i < 80; $i++) {
imagesetpixel($im, rand(0, $w), rand(0, $h), $black);
}
//将字符随机显示在画布上,字符的水平间距和位置都按一定波动范围随机生成
$strx = rand(5, 10);
for ($i = 0; $i < $num; $i++) {
$strpos = rand(1, 6);
imagestring($im, 20, $strx, $strpos, substr($code, $i, 1), $black);
$strx += $w / 5;
}
imagepng($im);
imagedestroy($im);
}
function drawGraphArea($R, $G, $B)
{
$color = imagecolorallocate($this->img, $R, $G, $B);
$x1 = $this->init['x1'];
$y1 = $this->init['y1'];
$x2 = $this->init['x2'];
$y2 = $this->init['y2'];
imagefilledrectangle($this->img, $x1, $y1, $x2, $y2, $color);
$color2 = imagecolorallocate($this->img, $R - 40, $G - 40, $B - 40);
imagerectangle($this->img, $x1, $y1, $x2, $y2, $color2);
if (!$this->init['bgStripe']) {
return;
}
$color3 = imagecolorallocate($this->img, $R - 15, $G - 15, $B - 14);
$imgH = $y2 - $y1 - 1;
for ($i = $x1 - $imgH; $i <= $x2; $i = $i + 4) {
$a1 = $i;
$b1 = $y2;
$a2 = $i + $imgH;
$b2 = $y1;
if ($a1 < $x1) {
$a1 = $x1;
$b1 = $y1 + $a2 - $x1 + 1;
}
if ($a2 >= $x2) {
$b2 = $y1 + $a2 - $x2 + 1;
$a2 = $x2 - 1;
}
imageline($this->img, $a1, $b1, $a2, $b2 + 1, $color3);
}
}
function imgcode($nums, $width, $high)
{
//去除了數字0和1 字母小寫O和L，為了避免辨識不清楚
//$str = "23456789abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMOPQRSTUBWXYZ";
$str = "0123456789";
$code = '';
for ($i = 0; $i < $nums; $i++) {
$code .= $str[mt_rand(0, strlen($str) - 1)];
}
$_SESSION['captcha'] = $code;
//建立圖示，設置寬度及高度與顏色等等條件
$image = imagecreate($width, $high);
$black = imagecolorallocate($image, mt_rand(0, 200), mt_rand(0, 200), mt_rand(0, 200));
$border_color = imagecolorallocate($image, 21, 106, 235);
$background_color = imagecolorallocate($image, 235, 236, 237);
//建立圖示背景
imagefilledrectangle($image, 0, 0, $width, $high, $background_color);
//建立圖示邊框
imagerectangle($image, 0, 0, $width - 1, $high - 1, $border_color);
//在圖示布上隨機產生大量躁點
for ($i = 0; $i < 80; $i++) {
imagesetpixel($image, rand(0, $width), rand(0, $high), $black);
}
$strx = rand(3, 8);
for ($i = 0; $i < $nums; $i++) {
$strpos = rand(1, 6);
imagestring($image, 5, $strx, $strpos, substr($code, $i, 1), $black);
$strx += rand(10, 30);
}
imagepng($image);
imagedestroy($image);
}
function createAuthNumImg($randStr, $imgW = 100, $imgH = 40, $fontName)
{
$image = imagecreate($imgW, $imgH);
$color_white = imagecolorallocate($image, 255, 255, 255);
$color_gray = imagecolorallocate($image, 228, 228, 228);
$color_black = imagecolorallocate($image, 255, 102, 204);
$color_radom = imagecolorallocate($image, rand(1, 200), rand(1, 200), rand(10, 250));
for ($i = 0; $i < 2000; $i++) {
$c = imagecolorallocate($image, rand(1, 200), rand(1, 200), rand(10, 250));
imagesetpixel($image, mt_rand(0, $imgW), mt_rand(0, $imgH), $c);
//Ìí¼ÓÔÓµã
}
imagerectangle($image, 0, 0, $imgW - 1, $imgH - 1, $color_gray);
imagettftext($image, 50, mt_rand(-2, 2), rand(0, 20), 50, $color_radom, $fontName, $randStr);
for ($i = 10; $i < $imgH; $i += 10) {
imageline($image, 0, $i, $imgW, $i, $color_gray);
}
//»ºáÏß
for ($i = 10; $i < $imgW; $i += 10) {
imageline($image, $i, 0, $i, $imgH, $color_gray);
}
//»ÊúÏß
imagepng($image);
imagedestroy($image);
}
/**
* +----------------------------------------------------------
* 图片上传的处理函数
* +----------------------------------------------------------
*/
function create_captcha()
{
$word = $this->create_word();
// 把验证码字符串写入session
$_SESSION['captcha'] = md5($word . DOU_SHELL);
// 绘制基本框架
$im = imagecreatetruecolor($this->captcha_width, $this->captcha_height);
$bg_color = imagecolorallocate($im, 235, 236, 237);
imagefilledrectangle($im, 0, 0, $this->captcha_width, $this->captcha_height, $bg_color);
$border_color = imagecolorallocate($im, 118, 151, 199);
imagerectangle($im, 0, 0, $this->captcha_width - 1, $this->captcha_height - 1, $border_color);
// 添加干扰
for ($i = 0; $i < 5; $i++) {
$rand_color = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagearc($im, mt_rand(-$this->captcha_width, $this->captcha_width), mt_rand(-$this->captcha_height, $this->captcha_height), mt_rand(30, $this->captcha_width * 2), mt_rand(20, $this->captcha_height * 2), mt_rand(0, 360), mt_rand(0, 360), $rand_color);
}
for ($i = 0; $i < 50; $i++) {
$rand_color = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagesetpixel($im, mt_rand(0, $this->captcha_width), mt_rand(0, $this->captcha_height), $rand_color);
}
// 生成验证码图片
$text_color = imagecolorallocate($im, mt_rand(0, 200), mt_rand(0, 120), mt_rand(0, 120));
imagestring($im, 6, 18, 5, $word, $text_color);
// header
header("Cache-Control: max-age=1, s-maxage=1, no-cache, must-revalidate");
header("Content-type: image/png;charset=utf-8");
/* 绘图结束 */
imagepng($im);
imagedestroy($im);
return true;
}
/**
* Draw a filled gray box with thick borders and darker corners.
*
* @param integer top left coordinate (x)
* @param integer top left coordinate (y)
* @param integer bottom right coordinate (x)
* @param integer bottom right coordinate (y)
* @param Color edge color
* @param Color corner color
*/
public function outlinedBox($x1, $y1, $x2, $y2, $color0, $color1) {
imagefilledrectangle($this->img, $x1, $y1, $x2, $y2, $color0->getColor($this->img));
imagerectangle($this->img, $x1, $y1, $x1 + 1, $y1 + 1, $color1->getColor($this->img));
imagerectangle($this->img, $x2 - 1, $y1, $x2, $y1 + 1, $color1->getColor($this->img));
imagerectangle($this->img, $x1, $y2 - 1, $x1 + 1, $y2, $color1->getColor($this->img));
imagerectangle($this->img, $x2 - 1, $y2 - 1, $x2, $y2, $color1->getColor($this->img));
}
public function checkcode($width = 60, $height = 24, $verifyName = 'checkcode')
{
if (!isset($_SESSION)) {
session_start();
}
$code = "ABCDEFGHKLMNPRSTUVWYZ23456789";
$length = 4;
$randval = '';
for ($i = 0; $i < $length; $i++) {
$char = $code[rand(0, strlen($code) - 1)];
$randval .= $char;
}
$_SESSION[$verifyName] = strtolower($randval);
$width = $length * 10 + 10 > $width ? $length * 10 + 10 : $width;
$im = imagecreate($width, $height);
$backColor = imagecolorallocate($im, 255, 255, 255);
$borderColor = imagecolorallocate($im, 255, 255, 255);
@imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor);
@imagerectangle($im, 0, 0, $width - 1, $height - 1, $borderColor);
$fontcolor = imagecolorallocate($im, rand(0, 200), rand(0, 120), rand(0, 120));
for ($i = 0; $i < $length; $i++) {
$fontsize = 5;
$x = floor($width / $length) * $i + 5;
$y = rand(0, $height - 15);
imagechar($im, $fontsize, $x, $y, $randval[$i], $fontcolor);
}
self::output($im, 'png');
}
/**
* GD Rectangle Function
*
* @param class $siggen
* @param array $data
* int x
* int y
* int x2
* int y2
* bool filled
* int radius
* string color
* int alpha
*
* @return bool
*/
function gd_rectangle($siggen, $data)
{
// Get our color index
$color = $this->set_color($data['color'], $data['alpha']);
// Make sure radius is a positive number
$data['radius'] = abs($data['radius']);
// Only do this "massive" drawing if we have rounded corners
if ($data['radius'] > 0) {
if ($data['filled'] == 1) {
imagefilledrectangle($siggen->im, $data['x'] + $data['radius'], $data['y'], $data['x2'] - $data['radius'], $data['y2'], $color);
imagefilledrectangle($siggen->im, $data['x'], $data['y'] + $data['radius'], $data['x'] + $data['radius'] - 1, $data['y2'] - $data['radius'], $color);
imagefilledrectangle($siggen->im, $data['x2'] - $data['radius'] + 1, $data['y'] + $data['radius'], $data['x2'], $data['y2'] - $data['radius'], $color);
imagefilledarc($siggen->im, $data['x'] + $data['radius'], $data['y'] + $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 180, 270, $color, IMG_ARC_PIE);
imagefilledarc($siggen->im, $data['x2'] - $data['radius'], $data['y'] + $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 270, 360, $color, IMG_ARC_PIE);
imagefilledarc($siggen->im, $data['x'] + $data['radius'], $data['y2'] - $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 90, 180, $color, IMG_ARC_PIE);
imagefilledarc($siggen->im, $data['x2'] - $data['radius'], $data['y2'] - $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 360, 90, $color, IMG_ARC_PIE);
} else {
imageline($siggen->im, $data['x'] + $data['radius'], $data['y'], $data['x2'] - $data['radius'], $data['y'], $color);
imageline($siggen->im, $data['x'] + $data['radius'], $data['y2'], $data['x2'] - $data['radius'], $data['y2'], $color);
imageline($siggen->im, $data['x'], $data['y'] + $data['radius'], $data['x'], $data['y2'] - $data['radius'], $color);
imageline($siggen->im, $data['x2'], $data['y'] + $data['radius'], $data['x2'], $data['y2'] - $data['radius'], $color);
imagearc($siggen->im, $data['x'] + $data['radius'], $data['y'] + $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 180, 270, $color);
imagearc($siggen->im, $data['x2'] - $data['radius'], $data['y'] + $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 270, 360, $color);
imagearc($siggen->im, $data['x'] + $data['radius'], $data['y2'] - $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 90, 180, $color);
imagearc($siggen->im, $data['x2'] - $data['radius'], $data['y2'] - $data['radius'], $data['radius'] * 2, $data['radius'] * 2, 360, 90, $color);
}
} else {
if ($data['filled'] == 1) {
imagefilledrectangle($siggen->im, $data['x'], $data['y'], $data['x2'], $data['y2'], $color);
} else {
imagerectangle($siggen->im, $data['x'], $data['y'], $data['x2'], $data['y2'], $color);
}
}
return TRUE;
}
function CreateImage()
{
// cria o c�digo
$md5Hash = md5(rand(0, 999));
$securityCode = substr($md5Hash, 0, 6);
// define a sess�o
$_SESSION["SecurityCode"] = $securityCode;
// dimens�es
$width = 134;
$height = 40;
// cria imagem
$image = @imagecreate($width, $height);
// cores
$white = imagecolorallocate($image, 0xff, 0xff, 0xff);
$black = imagecolorallocate($image, 0x0, 0x0, 0x0);
$grey = imagecolorallocate($image, 0x33, 0x33, 0x33);
$blue = imagecolorallocate($image, 0x0, 0x0, 0xff);
$red = imagecolorallocate($image, 0xff, 0x0, 0x0);
$yellow = imagecolorallocate($image, 0xff, 0xff, 0x0);
$arrayColors = array($grey, $black, $red, $blue);
imagefill($image, 0, 0, $white);
// escreve na imagem
$arrayFonts = array("fonts/calibri.ttf", "fonts/berlin.ttf");
for ($i = 0, $y = strlen($securityCode); $i < $y; $i++) {
imagettftext($image, rand(13, 20), rand(-30, 30), 10 + 20 * $i, 25, $arrayColors[array_rand($arrayColors)], $arrayFonts[array_rand($arrayFonts)], $securityCode[$i]);
}
// faz uma borda
imagerectangle($image, 0, 0, $width - 1, $height - 1, $grey);
// fase final
@header("Content-Type: image/jpeg");
imagejpeg($image);
imagedestroy($image);
}
protected function process(ViewBag $viewbag)
{
$movie = $this->movie;
$list = $this->list;
$im = imagecreate($this->W, $this->H);
$background_color = imagecolorallocate($im, 0xc0, 0xc0, 0xc0);
imagefilledrectangle($im, 0, 0, $this->W - 1, $this->H - 1, $background_color);
$black = imagecolorallocate($im, 0, 0, 0);
imagerectangle($im, 0, 0, $this->W - 1, $this->H - 1, $black);
$red = imagecolorallocate($im, 0xc0, 0, 0);
$max = $movie->getMaxSeek();
$scale = DoubleVal($this->W) / DoubleVal($max);
foreach ($list->getCutRegions() as $v) {
$left = $v[0];
$right = $v[1];
if ($right == -1) {
$right = $max;
}
$x1 = IntVal($left * $scale);
$x2 = min($this->W - 1, IntVal($right * $scale));
imagefilledrectangle($im, $x1, 1, $x2, $this->H - 2, $red);
}
header("Content-Type: image/png");
header("Cache-Control: must-revalidate");
imagepng($im);
exit;
}
/**
* Create verify code
*/
public function create()
{
//Image width(px)
$this->width || ($this->width = $this->length * $this->fontsize * 1.5 + $this->fontsize * 1.5);
//Image height(px)
$this->height || ($this->height = $this->fontsize * 2);
// Create $this->width x $this->height image
$this->image = imagecreate($this->width, $this->height);
//Set the background
imagecolorallocate($this->image, $this->bg[0], $this->bg[1], $this->bg[2]);
//Random font color of the verify code
$this->color = imagecolorallocate($this->image, mt_rand(156, 256), mt_rand(156, 256), mt_rand(156, 256));
//Set the border
imagerectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $this->color);
//Draw noise
$this->writeNoise();
//Drawn curve
$this->writeCurve();
//Drawn verify code
$this->writeCode();
//Save verify code
$this->saveCode();
//Output image
imagepng($this->image);
imagedestroy($this->image);
$this->ci->output->set_content_type('png')->set_output($this->image);
}
public function encodeImage(ImageCaptcha $ci)
{
$w = $ci->getCaptcha()->getWidth();
$h = $ci->getCaptcha()->getHeight();
$image = imagecreatetruecolor($w, $h);
imagefilledrectangle($image, 0, 0, $w, $h, $this->toHex($ci->getBackgroundColor()));
imagerectangle($image, 0, 0, $w - 1, $h - 1, $this->toHex($ci->getBorderColor()));
// border
$lines = $ci->getLines();
foreach ($lines as $line) {
$color = $this->toHex($line['color']);
imageline($image, $line['x1'], $line['y1'], $line['x2'], $line['y2'], $color);
}
$fontSize = $ci->getCaptcha()->getFontSize();
$box = imagettfbbox($fontSize, 0, $this->font, '0');
$spacing = $ci->getCaptcha() instanceof MathCaptcha ? 0 : 5;
$text = $ci->getText();
$x = ($w - $fontSize * strlen(str_replace(' ', '', $text))) / 2;
$y = $h / 2 - ($box[3] - $box[5]) / 2 + $fontSize;
for ($i = 0; $i < strlen($text); $i++) {
$angle = $ci->randAngle();
$color = $this->toHex($ci->randColor());
$box = imagettftext($image, $fontSize, $angle, $x, $y, $color, $this->font, $text[$i]);
$x += $spacing + ($box[2] - $box[0]);
}
$temp = tempnam(sys_get_temp_dir(), 'captcha');
imagepng($image, $temp);
$data = fread(fopen($temp, 'r'), filesize($temp));
$base64 = base64_encode($data);
imagedestroy($image);
unlink($temp);
return 'data:image/png;base64,' . $base64;
}
/**
*
* @brief 图片处理 验证码
* @param unknown_type $length
* @param unknown_type $mode
* @param unknown_type $type
* @param unknown_type $width
* @param unknown_type $height
* @param unknown_type $verifyName
*/
public static function buildImageVerify($length = 4, $mode = 1, $type = 'png', $width = 48, $height = 22, $verifyName = 'verify')
{
$randval = self::randString($length, $mode);
$_SESSION[$verifyName] = md5($randval);
$width = $length * 10 + 10 > $width ? $length * 10 + 10 : $width;
if ($type != 'gif' && function_exists('imagecreatetruecolor')) {
$im = imagecreatetruecolor($width, $height);
} else {
$im = imagecreate($width, $height);
}
$r = array(225, 255, 255, 223);
$g = array(225, 236, 237, 255);
$b = array(225, 236, 166, 125);
$key = mt_rand(0, 3);
$backColor = imagecolorallocate($im, $r[$key], $g[$key], $b[$key]);
//背景色（随机）
$borderColor = imagecolorallocate($im, 100, 100, 100);
//边框色
imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor);
imagerectangle($im, 0, 0, $width - 1, $height - 1, $borderColor);
$stringColor = imagecolorallocate($im, mt_rand(0, 200), mt_rand(0, 120), mt_rand(0, 120));
// 干扰
for ($i = 0; $i < 10; $i++) {
imagearc($im, mt_rand(-10, $width), mt_rand(-10, $height), mt_rand(200, 300), mt_rand(35, 200), 55, 44, $stringColor);
}
for ($i = 0; $i < 25; $i++) {
imagesetpixel($im, mt_rand(0, $width), mt_rand(0, $height), $stringColor);
}
for ($i = 0; $i < $length; $i++) {
imagestring($im, 5, $i * 10 + 5, mt_rand(1, 8), $randval[$i], $stringColor);
}
Image::output($im, $type);
}
function draw_bar_graph($width, $height, $data, $max_value, $filename)
{
/*1. Create the empty graph image*/
$img = imagecreatetruecolor($width, $height);
/*2. set a white background with black text and gray graphic*/
$bg_color = imagecolorallocate($img, 255, 255, 255);
//white
$text_color = imagecolorallocate($img, 255, 255, 255);
$bar_color = imagecolorallocate($img, 0, 0, 0);
//black
$border_color = imagecolorallocate($img, 192, 192, 192);
//light gray
/*3. fill the background */
imagefilledrectangle($img, 0, 0, $width, $height, $bg_color);
/*4. Draw the bars */
$bar_width = $width / (count($data) * 2 + 1);
for ($i = 0; $i < count($data); $i++) {
imagefilledrectangle($img, $i * $bar_width * 2 + $bar_width, $height, $i * $bar_width * 2 + $bar_width * 2, $height - $height / $max_value * $data[$i][1], $bar_color);
imagestringup($img, 5, $i * $bar_width * 2 + $bar_width, $height - 5, $data[$i][0], $text_color);
}
/*5. Draw a rectangle around the whole thing*/
imagerectangle($img, 0, 0, $width - 1, $height - 1, $border_color);
/*6. Draw the range up the left side of graph*/
for ($i = 1; $i <= $max_value; $i++) {
imagestring($img, 5, 0, $height - $i * ($height / $max_value), $i, $bar_color);
}
/*7. output image to a file.*/
imagepng($img, $filename, 5);
/*8. destroy image.*/
imagedestroy($img);
}
/**
* Generates image
*
* @param string $sMac verification code
*
* @return null
*/
function generateVerificationImg($sMac)
{
$iWidth = 80;
$iHeight = 18;
$iFontSize = 14;
if (function_exists('imagecreatetruecolor')) {
// GD2
$oImage = imagecreatetruecolor($iWidth, $iHeight);
} elseif (function_exists('imagecreate')) {
// GD1
$oImage = imagecreate($iWidth, $iHeight);
} else {
// GD not found
return;
}
$iTextX = ($iWidth - strlen($sMac) * imagefontwidth($iFontSize)) / 2;
$iTextY = ($iHeight - imagefontheight($iFontSize)) / 2;
$aColors = array();
$aColors["text"] = imagecolorallocate($oImage, 0, 0, 0);
$aColors["shadow1"] = imagecolorallocate($oImage, 200, 200, 200);
$aColors["shadow2"] = imagecolorallocate($oImage, 100, 100, 100);
$aColors["background"] = imagecolorallocate($oImage, 255, 255, 255);
$aColors["border"] = imagecolorallocate($oImage, 0, 0, 0);
imagefill($oImage, 0, 0, $aColors["background"]);
imagerectangle($oImage, 0, 0, $iWidth - 1, $iHeight - 1, $aColors["border"]);
imagestring($oImage, $iFontSize, $iTextX + 1, $iTextY + 0, $sMac, $aColors["shadow2"]);
imagestring($oImage, $iFontSize, $iTextX + 0, $iTextY + 1, $sMac, $aColors["shadow1"]);
imagestring($oImage, $iFontSize, $iTextX, $iTextY, $sMac, $aColors["text"]);
header('Content-type: image/png');
imagepng($oImage);
imagedestroy($oImage);
}
function getCodeImg($num, $type = 2)
{
$W = $num * 20;
$H = 30;
$code = getCode($num, $type);
$img = imagecreatetruecolor($W, $H);
$bg = imagecolorallocate($img, rand(155, 255), rand(155, 255), rand(155, 255));
$borderColor = imagecolorallocate($img, 0, 0, 0);
imagefill($img, 0, 0, $bg);
imagerectangle($img, 0, 0, $W - 1, $H - 1, $borderColor);
/*添加干扰点*/
for ($i = 0; $i < 200; $i++) {
imagesetpixel($img, rand(0, $W), rand(0, $H), imagecolorallocate($img, rand(0, 255), rand(0, 255), rand(0, 255)));
}
/*添加干扰线*/
for ($i = 0, $n = rand(2, 5); $i < $n; $i++) {
imageline($img, rand(0, $W), rand(0, $H), rand(0, $W), rand(0, $H), imagecolorallocate($img, rand(0, 255), rand(0, 255), rand(0, 255)));
}
/*绘制文字*/
for ($i = 0; $i < $num; $i++) {
$wordColor = imagecolorallocate($img, rand(0, 255), rand(0, 255), rand(0, 255));
imagettftext($img, 18, rand(-40, 40), 8 + 18 * $i, 24, $wordColor, "font\\msyh.ttc", $code[$i]);
}
return $img;
}
private function getCreateImage()
{
$this->image = imagecreate($this->width, $this->height);
$back = imagecolorallocate($this->image, 255, 255, 255);
$border = imagecolorallocate($this->image, 0, 0, 0);
imagerectangle($this->image, 0, 0, $this->width, $this->height, $border);
}
/**
* Draw a line on the image, returns the GD-handle
*
* @param GD image resource $handle Image to work on
* @param Zend_Image_Action_DrawLine $lineObject The object containing all settings needed for drawing a line.
* @return void
*/
public function perform(Zend_Image_Adapter_Gd $adapter, Zend_Image_Action_DrawLine $lineObject)
{
$handle = $adapter->getHandle();
$strokeColor = $lineObject->getStrokeColor();
$color = $strokeColor->getRgb();
$colorAlphaAlloc = imagecolorallocatealpha($handle, $color['red'], $color['green'], $color['blue'], $lineObject->getStrokeAlpha());
if ($lineObject->getStrokeWidth() == 1) {
// Simple line
imageline($handle, $lineObject->getPointStart()->getX(), $lineObject->getPointStart()->getY(), $lineObject->getPointEnd()->getX(), $lineObject->getPointEnd()->getY(), $colorAlphaAlloc);
} elseif ($lineObject->getPointStart()->getX() == $lineObject->getPointEnd()->getX() || $lineObject->getPointStart()->getY() == $lineObject->getPointEnd()->getY()) {
// Simple thick line
$x1 = round(min($lineObject->getPointStart()->getX(), $lineObject->getPointEnd()->getX()) - ($lineObject->getStrokeWidth() / 2 - 0.5));
$y1 = round(min($lineObject->getPointStart()->getY(), $lineObject->getPointEnd()->getY()) - ($lineObject->getStrokeWidth() / 2 - 0.5));
$x2 = round(max($lineObject->getPointStart()->getX(), $lineObject->getPointEnd()->getX()) + ($lineObject->getStrokeWidth() / 2 - 0.5));
$y2 = round(max($lineObject->getPointStart()->getY(), $lineObject->getPointEnd()->getY()) + ($lineObject->getStrokeWidth() / 2 - 0.5));
if ($lineObject->isFilled()) {
imagefilledrectangle($handle, $x1, $y1, $x2, $y2, $colorAlphaAlloc);
} else {
imagerectangle($handle, $x1, $y1, $x2, $y2, $colorAlphaAlloc);
}
} else {
// Not horizontal nor vertical thick line
$polygonObject = new Zend_Image_Action_DrawPolygon();
$slope = ($lineObject->getPointEnd()->getY() - $lineObject->getPointStart()->getY()) / ($lineObject->getPointEnd()->getX() - $lineObject->getPointStart()->getX());
// y = ax + b
$a = ($lineObject->getStrokeWidth() / 2 - 0.5) / sqrt(1 + pow($slope, 2));
$points = array(new Zend_Image_Point(round($lineObject->getPointStart()->getX() - (1 + $slope) * $a), round($lineObject->getPointStart()->getY() + (1 - $slope) * $a)), new Zend_Image_Point(round($lineObject->getPointStart()->getX() - (1 - $slope) * $a), round($lineObject->getPointStart()->getY() - (1 + $slope) * $a)), new Zend_Image_Point(round($lineObject->getPointEnd()->getX() + (1 + $slope) * $a), round($lineObject->getPointEnd()->getY() - (1 - $slope) * $a)), new Zend_Image_Point(round($lineObject->getPointEnd()->getX() + (1 - $slope) * $a), round($lineObject->getPointEnd()->getY() + (1 + $slope) * $a)));
//Draw polygon
$polygonObject = new Zend_Image_Action_DrawPolygon(array('points' => $points, 'strokeColor' => $strokeColor));
$handler = new Zend_Image_Adapter_Gd_Action_DrawPolygon();
$handle = $handler->perform($adapter, $polygonObject);
}
return $handle;
}
public function generate()
{
foreach ($this->__shapes as $shape) {
$type = array_shift($shape);
$color = array_shift($shape);
$color = $this->_owner->imagecolorallocate(!isset($color) || is_null($color) ? $this->__base_color : $color, $this->__base_alpha);
switch ($type) {
case self::LINE:
imageline($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::RECTANGLE:
imagerectangle($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::FILLED_RECTANGLE:
imagefilledrectangle($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::ELLIPSE:
imageellipse($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::FILLED_ELLIPSE:
imagefilledellipse($this->_owner->image, $shape[0], $shape[1], $shape[2], $shape[3], $color);
break;
case self::SPIRAL:
$angle = $r = 0;
while ($r <= $shape[2]) {
imagearc($this->_owner->image, $shape[0], $shape[1], $r, $r, $angle - $shape[3], $angle, $color);
$angle += $shape[3];
$r++;
}
break;
}
}
return true;
}
function _code($_width = 75, $_height = 25, $num = 4)
{
for ($i = 0; $i < $num; $i++) {
$_nmsg .= dechex(mt_rand(0, 15));
}
//保存到session
$_SESSION['code'] = $_nmsg;
//
//创建图像
$_img = imagecreatetruecolor($_width, $_height);
//白
$_white = imagecolorallocate($_img, 255, 255, 255);
imagefill($_img, 0, 0, $_white);
$_black = imagecolorallocate($_img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
// 花边狂
imagerectangle($_img, 0, 0, $_width - 1, $_height - 1, $_black);
for ($i = 0; $i < 3; $i++) {
$_rnd_color = imagecolorallocate($_img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imageline($_img, mt_rand(0, $_width), mt_rand(0, $_height), mt_rand(0, $_width), mt_rand(0, $_height), $_rnd_color);
}
//随即大雪花
for ($i = 0; $i < 10; $i++) {
imagestring($_img, 1, mt_rand(1, $_width), mt_rand(1, $_height), "*", imagecolorallocate($_img, mt_rand(200, 255), mt_rand(200, 255), mt_rand(200, 255)));
}
//输出验证码
for ($i = 0; $i < strlen($_SESSION['code']); $i++) {
$_rnd_color = imagecolorallocate($_img, mt_rand(0, 100), mt_rand(0, 150), mt_rand(0, 200));
imagestring($_img, 5, $i * $_width / $num + mt_rand(1, 10), mt_rand(1, $_height / 2), $_SESSION['code'][$i], $_rnd_color);
}
//输出图像
header('Content-Type:image/png');
imagepng($_img);
//销毁
imagedestroy($_img);
}
/**
* @param integer $line_no
*/
public function drawBar($line_no)
{
$arrPointList = $this->arrPointList[$line_no];
// データ数を数える
$count = count($arrPointList);
// 半目盛りの幅を求める
$half_scale = intval($this->area_width / ($count + 1) / 2);
// 目盛りの幅を求める
$scale_width = intval($this->area_width / ($count + 1));
// 棒グラフのサイズを求める
$bar_width = intval(($scale_width - BAR_PAD * 2) / $this->line_max);
// 色数の取得
$c_max = count($this->arrColor);
for ($i = 0; $i < $count; $i++) {
$left = $arrPointList[$i][0] - $half_scale + BAR_PAD + $bar_width * $line_no;
$top = $arrPointList[$i][1];
$right = $left + $bar_width;
$bottom = $this->top + $this->area_height;
// 影の描画
if ($this->shade_on) {
imagefilledrectangle($this->image, $left + 2, $top + 2, $right + 2, $bottom, $this->shade_color);
}
//imagefilledrectangle($this->image, $left, $top, $right, $bottom, $this->arrColor[($i % $c_max)]);
imagefilledrectangle($this->image, $left, $top, $right, $bottom, $this->arrColor[$line_no]);
imagerectangle($this->image, $left, $top, $right, $bottom, $this->flame_color);
}
}
/**
* 获得简单的验证码图片
* @param array $paramArr
*/
public static function getCodeSimpleImage($paramArr)
{
$options = array('width' => 80, 'height' => 20, 'numCnt' => 4, 'inCode' => 'ABCD');
if (is_array($paramArr)) {
$options = array_merge($options, $paramArr);
}
extract($options);
$text = self::getAuthCode($inCode);
$font = APP_HTML_DIR . '/include/fonts/' . rand(1, 6) . '.ttf';
$size = 14;
$image = imagecreate($width, $height);
$whiteColor = imagecolorallocate($image, 255, 255, 255);
$blackColor = imagecolorallocate($image, 0, 0, 0);
$count = $width * $height / 8;
for ($i = 0; $i < $count; $i++) {
$randomColor = imagecolorallocate($image, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagesetpixel($image, mt_rand(0, $width), mt_rand(0, $height), $randomColor);
}
$fontSize = imagettfbbox($size, 0, $font, $text);
$centerX = abs($fontSize[2] - $fontSize[0]);
$centerY = abs($fontSize[5] - $fontSize[3]);
$x = ($width - $centerX) / 2;
$y = ($height - $centerY) / 2 + $centerY;
imagettftext($image, $size, mt_rand(-2, +2), $x, $y - 2, $blackColor, $font, $text);
imagerectangle($image, 0, 0, $width - 1, $height - 1, $blackColor);
header("Content-type:image/png");
imagepng($image);
imagedestroy($image);
}
/**
* Print the axis
*
* @access private
*/
function printAxis()
{
// Check if some points were defined
if ($this->sampleCount < 2) {
return;
}
$minValue = $this->axis->getLowerBoundary();
$maxValue = $this->axis->getUpperBoundary();
$stepValue = $this->axis->getTics();
// Line axis
for ($value = $minValue; $value <= $maxValue; $value += $stepValue) {
$y = $this->graphBRY - ($value - $minValue) * ($this->graphBRY - $this->graphTLY) / $this->axis->displayDelta;
imagerectangle($this->img, $this->graphTLX - 3, $y, $this->graphTLX - 2, $y + 1, $this->axisColor1->getColor($this->img));
imagerectangle($this->img, $this->graphTLX - 1, $y, $this->graphTLX, $y + 1, $this->axisColor2->getColor($this->img));
$this->text->printText($this->img, $this->graphTLX - 5, $y, $this->textColor, $value, $this->text->fontCondensed, $this->text->HORIZONTAL_RIGHT_ALIGN | $this->text->VERTICAL_CENTER_ALIGN);
}
// Horizontal Axis
$columnWidth = ($this->graphBRX - $this->graphTLX) / ($this->sampleCount - 1);
reset($this->point);
for ($i = 0; $i < $this->sampleCount; $i++) {
$x = $this->graphTLX + $i * $columnWidth;
imagerectangle($this->img, $x - 1, $this->graphBRY + 2, $x, $this->graphBRY + 3, $this->axisColor1->getColor($this->img));
imagerectangle($this->img, $x - 1, $this->graphBRY, $x, $this->graphBRY + 1, $this->axisColor2->getColor($this->img));
$point = current($this->point);
next($this->point);
$text = $point->getX();
$this->text->printDiagonal($this->img, $x - 5, $this->graphBRY + 10, $this->textColor, $text);
}
}
public function image()
{
$code = '';
for ($i = 0; $i < $this->how; $i++) {
$code .= chr(mt_rand(65, 90));
}
$code = strtolower($code);
$this->ci->session->set_userdata(array($this->name => $code));
$len = strlen($code);
$im = imagecreate($this->w, $this->h);
imagecolorallocate($im, 255, 255, 255);
$lineColor1 = imagecolorallocate($im, 240, 220, 180);
$lineColor2 = imagecolorallocate($im, 250, 250, 170);
for ($j = 3; $j <= $this->h; $j = $j + 3) {
imageline($im, 2, $j, $this->w, $j, $lineColor1);
}
for ($j = 2; $j < $this->w; $j = $j + mt_rand(3, 6)) {
imageline($im, $j, 2, $j - 6, 18, $lineColor2);
}
$bordercolor = imagecolorallocate($im, 0x99, 0x99, 0x99);
imagerectangle($im, 0, 0, $this->w - 1, $this->h - 1, $bordercolor);
$fontColor = imagecolorallocate($im, 48, 61, 50);
for ($i = 0; $i < $len; $i++) {
$bc = mt_rand(0, 3);
$code[$i] = strtolower($code[$i]);
imagestring($im, $this->size, $i * 11 + $this->w / 4 - $this->w / 10, mt_rand($this->h / 2 - 10, $this->h / 2 - 5), $code[$i], $fontColor);
}
header("Cache-Control:max-age=1,s-maxage=1,no-cache, must-revalidate");
header("Content-type:image/png;");
imagepng($im);
imagedestroy($im);
exit;
}
public static function create()
{
$image = imagecreatetruecolor(100, 40) or die('cannot create canvas.<br>');
$red = imagecolorallocate($image, 255, 0, 0);
$green = imagecolorallocate($image, 0, 255, 0);
$blue = imagecolorallocate($image, 0, 0, 255);
$white = imagecolorallocate($image, 255, 255, 255);
$black = imagecolorallocate($image, 0, 0, 0);
imagefill($image, 0, 0, $white);
imagerectangle($image, 1, 1, 99, 39, $black);
$color = [$red, $green, $blue];
for ($i = 1; $i <= 100; $i++) {
imagesetpixel($image, mt_rand(2, 98), mt_rand(2, 38), $color[mt_rand(0, 2)]);
}
$source = "abcdefghigklmnopqrstuvwxyz0123456789ABCDEFGHIGKLMNOPQRSTUVWXYZ";
$first = $source[mt_rand(0, 61)];
$second = $source[mt_rand(0, 61)];
$third = $source[mt_rand(0, 61)];
$fourth = $source[mt_rand(0, 61)];
$_SESSION['captcha'] = $first . $second . $third . $fourth;
$font = dirname(dirname(__DIR__)) . '/../public/assets/fonts/SpicyRice.ttf';
imagettftext($image, 20, mt_rand(-20, 20), 10, 30, $blue, $font, $first);
imagettftext($image, 20, mt_rand(-20, 20), 30, 30, $blue, $font, $second);
imagettftext($image, 20, mt_rand(-20, 20), 50, 30, $blue, $font, $third);
imagettftext($image, 20, mt_rand(-20, 20), 70, 30, $blue, $font, $fourth);
return imagejpeg($image);
}
function create_image($char_value)
{
//create canvas
$img = imagecreatetruecolor($this->size_x + 10, $this->size_y);
//set colors
$background = imagecolorallocate($img, 255, 255, 255);
$border = imagecolorallocate($img, 128, 128, 128);
$colors[] = imagecolorallocate($img, 128, 64, 192);
$colors[] = imagecolorallocate($img, 192, 64, 128);
$colors[] = imagecolorallocate($img, 108, 192, 64);
// fill background
imagefilledrectangle($img, 1, 1, $this->size_x + 10 - 2, $this->size_y - 2, $background);
imagerectangle($img, 0, 0, $this->size_x + 10 - 1, $this->size_y - 1, $border);
//draw text
for ($i = 0; $i < count($char_value); $i++) {
$color = $colors[$i % count($colors)];
imagettftext($img, 28 + rand(0, 8), -20 + rand(0, 40), ($i + 0.3) * $this->space_per_char, 45 + rand(0, 10), $color, DIR_FONTS . 'luggerbu.ttf', $char_value[$i]);
}
for ($i = 0; $i < 1000; $i++) {
$x1 = rand(5, $this->size_x + 10 - 5);
$y1 = rand(5, $this->size_y - 5);
$x2 = $x1 - 4 + rand(0, 8);
$y2 = $y1 - 4 + rand(0, 8);
imageline($img, $x1, $y1, $x2, $y2, $colors[rand(0, count($colors) - 1)]);
}
return $img;
}
function draw_bar_graph($width, $height, $data, $max_value, $filename)
{
// Create the empty graph image
$img = imagecreatetruecolor($width, $height);
// Set a white background with black text and gray graphics
$bg_color = imagecolorallocate($img, 255, 255, 255);
// white
$text_color = imagecolorallocate($img, 255, 255, 255);
// white
$bar_color = imagecolorallocate($img, 0, 0, 0);
// black
$border_color = imagecolorallocate($img, 192, 192, 192);
// light gray
// Fill the background
imagefilledrectangle($img, 0, 0, $width, $height, $bg_color);
// Draw the bars
$bar_width = $width / (count($data) * 2 + 1);
for ($i = 0; $i < count($data); $i++) {
imagefilledrectangle($img, $i * $bar_width * 2 + $bar_width, $height, $i * $bar_width * 2 + $bar_width * 2, $height - $height / $max_value * $data[$i][1], $bar_color);
imagestringup($img, 5, $i * $bar_width * 2 + $bar_width, $height - 5, $data[$i][0], $text_color);
}
// Draw a rectangle around the whole thing
imagerectangle($img, 0, 0, $width - 1, $height - 1, $border_color);
// Draw the range up the left side of the graph
for ($i = 1; $i <= $max_value; $i++) {
imagestring($img, 5, 0, $height - $i * ($height / $max_value), $i, $bar_color);
}
// Write the graph image to a file
imagepng($img, $filename, 5);
imagedestroy($img);
}
public static function newVerify($width = 60, $height = 25)
{
$im = imagecreate($width, $height);
$backgroundcolor = imagecolorallocate($im, 255, 255, 255);
$mCheckCodeNum = 4;
$mCheckCode = '';
for ($i = 0; $i < $mCheckCodeNum; $i++) {
$mCheckCode .= strtoupper(chr(rand(97, 122)));
}
$session = new XF_Session('XF_ImageVerify');
$session->write(strtolower($mCheckCode));
for ($i = 0; $i <= 64; $i++) {
$pointcolor = imagecolorallocate($im, mt_rand(1, 155), mt_rand(0, 200), mt_rand(1, 155));
imagesetpixel($im, mt_rand(0, $width - 1), mt_rand(0, $height - 1), $pointcolor);
}
$snowflake_size = 5;
for ($i = 0; $i < $mCheckCodeNum; $i++) {
$font_color = imagecolorallocate($im, mt_rand(1, 155), mt_rand(1, 200), 100);
$x = floor($width / $mCheckCodeNum) * $i + 3;
$y = rand(0, $height - 15);
imagechar($im, $snowflake_size, $x, $y, $mCheckCode[$i], $font_color);
}
$bordercolor = imagecolorallocate($im, 188, 188, 188);
imagerectangle($im, 0, 0, $width - 1, $height - 1, $bordercolor);
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
}
