/** * Adds to the PNG image object, the data related to a row in the GIS dataset. * * @param string $spatial GIS POLYGON object * @param string $label Label for the GIS POLYGON object * @param string $fill_color Color for the GIS POLYGON object * @param array $scale_data Array containing data related to scaling * @param object $image Image object * * @return object the modified image object * @access public */ public function prepareRowAsPng($spatial, $label, $fill_color, $scale_data, $image) { // allocate colors $black = imagecolorallocate($image, 0, 0, 0); $red = hexdec(mb_substr($fill_color, 1, 2)); $green = hexdec(mb_substr($fill_color, 3, 2)); $blue = hexdec(mb_substr($fill_color, 4, 2)); $color = imagecolorallocate($image, $red, $green, $blue); // Trim to remove leading 'POLYGON((' and trailing '))' $polygon = mb_substr($spatial, 9, mb_strlen($spatial) - 11); // If the polygon doesn't have an inner polygon if (mb_strpos($polygon, "),(") === false) { $points_arr = $this->extractPoints($polygon, $scale_data, true); } else { // Separate outer and inner polygons $parts = explode("),(", $polygon); $outer = $parts[0]; $inner = array_slice($parts, 1); $points_arr = $this->extractPoints($outer, $scale_data, true); foreach ($inner as $inner_poly) { $points_arr = array_merge($points_arr, $this->extractPoints($inner_poly, $scale_data, true)); } } // draw polygon imagefilledpolygon($image, $points_arr, sizeof($points_arr) / 2, $color); // print label if applicable if (isset($label) && trim($label) != '') { imagestring($image, 1, $points_arr[2], $points_arr[3], trim($label), $black); } return $image; }
public function getAvatar($string, $widthHeight = 12, $theme = 'default') { $widthHeight = max($widthHeight, 12); $md5 = md5($string); $fileName = _TMP_DIR_ . '/' . $md5 . '.png'; if ($this->tmpFileExists($fileName)) { return $fileName; } // Create seed. $seed = intval(substr($md5, 0, 6), 16); mt_srand($seed); $body = array('legs' => mt_rand(0, count($this->availableParts[$theme]['legs']) - 1), 'hair' => mt_rand(0, count($this->availableParts[$theme]['hair']) - 1), 'arms' => mt_rand(0, count($this->availableParts[$theme]['arms']) - 1), 'body' => mt_rand(0, count($this->availableParts[$theme]['body']) - 1), 'eyes' => mt_rand(0, count($this->availableParts[$theme]['eyes']) - 1), 'mouth' => mt_rand(0, count($this->availableParts[$theme]['mouth']) - 1)); // Avatar random parts. $parts = array('legs' => $this->availableParts[$theme]['legs'][$body['legs']], 'hair' => $this->availableParts[$theme]['hair'][$body['hair']], 'arms' => $this->availableParts[$theme]['arms'][$body['arms']], 'body' => $this->availableParts[$theme]['body'][$body['body']], 'eyes' => $this->availableParts[$theme]['eyes'][$body['eyes']], 'mouth' => $this->availableParts[$theme]['mouth'][$body['mouth']]); $avatar = imagecreate($widthHeight, $widthHeight); imagesavealpha($avatar, true); imagealphablending($avatar, false); $background = imagecolorallocate($avatar, 0, 0, 0); $line_colour = imagecolorallocate($avatar, mt_rand(0, 200) + 55, mt_rand(0, 200) + 55, mt_rand(0, 200) + 55); imagecolortransparent($avatar, $background); imagefilledrectangle($avatar, 0, 0, $widthHeight, $widthHeight, $background); // Fill avatar with random parts. foreach ($parts as &$part) { $this->drawPart($part, $avatar, $widthHeight, $line_colour, $background); } imagepng($avatar, $fileName); imagecolordeallocate($avatar, $line_colour); imagecolordeallocate($avatar, $background); imagedestroy($avatar); return $fileName; }
static function load($filename) { $info = getimagesize($filename); list($width, $height) = $info; if (!$width || !$height) { return null; } $image = null; switch ($info['mime']) { case 'image/gif': $image = imagecreatefromgif($filename); break; case 'image/jpeg': $image = imagecreatefromjpeg($filename); break; case 'image/png': $image = imagecreatetruecolor($width, $height); $white = imagecolorallocate($image, 255, 255, 255); imagefill($image, 0, 0, $white); $png = imagecreatefrompng($filename); imagealphablending($png, true); imagesavealpha($png, true); imagecopy($image, $png, 0, 0, 0, 0, $width, $height); imagedestroy($png); break; } if ($image) { return new image($image, $width, $height); } else { return null; } }
/** * Applies the sepia filter to an image resource * * @param ImageResource $aResource */ public function applyFilter(ImageResource $aResource) { if ($this->degrees === 0) { return; } $width = $aResource->getX(); $height = $aResource->getY(); // cache calculated colors in a map... $colorMap = array(); for ($x = 0; $x < $width; ++$x) { for ($y = 0; $y < $height; ++$y) { $color = ColorUtil::getColorAt($aResource, Coordinate::create($x, $y)); if (!isset($colorMap[$color->getColorIndex()])) { // calculate the new color $hsl = ColorUtil::rgb2hsl($color->getRed(), $color->getGreen(), $color->getBlue()); $hsl[0] += $this->degrees; $rgb = ColorUtil::hsl2rgb($hsl[0], $hsl[1], $hsl[2]); $newcol = imagecolorallocate($aResource->getResource(), $rgb[0], $rgb[1], $rgb[2]); $colorMap[$color->getColorIndex()] = $newcol; } else { $newcol = $colorMap[$color->getColorIndex()]; } imagesetpixel($aResource->getResource(), $x, $y, $newcol); } } $colorMap = null; }
function hacknrollify($picfilename) { $logofilename = "logo.png"; $logoPicPath = "logopics/" . $logofilename; $originalPicPath = "originalpics/" . $picfilename; $editedfilename = "hnr_" . $picfilename; $editedPicPath = "editedpics/" . $editedfilename; // read the original image from file $profilepic = imagecreatefromjpeg($originalPicPath); $profilepicWidth = imagesx($profilepic); $profilepicHeight = imagesy($profilepic); // create the black image overlay $blackoverlay = imagecreate($profilepicWidth, $profilepicHeight); imagecolorallocate($blackoverlay, 0, 0, 0); // then merge the black and profilepic imagecopymerge($profilepic, $blackoverlay, 0, 0, 0, 0, $profilepicWidth, $profilepicHeight, 50); imagedestroy($blackoverlay); // merge the resized logo $logo = resizeImage($logoPicPath, $profilepicWidth - 80, 999999); imageAlphaBlending($logo, false); imageSaveAlpha($logo, true); $logoWidth = imagesx($logo); $logoHeight = imagesy($logo); $verticalOffset = $profilepicHeight / 2 - $logoHeight / 2; $horizontalOffset = 40; imagecopyresampled($profilepic, $logo, $horizontalOffset, $verticalOffset, 0, 0, $logoWidth, $logoHeight, $logoWidth, $logoHeight); $mergeSuccess = imagejpeg($profilepic, $editedPicPath); if (!$mergeSuccess) { echo "Image merge failed!"; } imagedestroy($profilepic); imagedestroy($logo); return $editedPicPath; }
/** * @param $text * @return resource */ private function createImage($text) { if (!is_string($text) || trim($text) == '') { $text = 'ERROR'; } // Create an image from captchaBackground.png $image = imagecreatefrompng(realpath('bundles/comun/images/captchaBackground.png')); // Set the font colour $colour = imagecolorallocate($image, 183, 178, 152); // Set the font //$font = '../fonts/Anorexia.ttf'; $font = realpath('bundles/comun/fonts/Anorexia.ttf'); // Set a random integer for the rotation between -15 and 15 degrees $rotate = rand(-15, 15); // Create an image using our original image and adding the detail imagettftext($image, 14, $rotate, 18, 30, $colour, $font, $text); // Output the image as a png //imagepng($image); /*return new Response( $captchaText, 200, array( 'Content-Type' => 'image/png', 'Cache-Control' => 'no-cache' ) );*/ return $image; }
/** * Adds to the PNG image object, the data related to a row in the GIS dataset. * * @param string $spatial GIS MULTILINESTRING object * @param string $label Label for the GIS MULTILINESTRING object * @param string $line_color Color for the GIS MULTILINESTRING object * @param array $scale_data Array containing data related to scaling * @param object $image Image object * * @return object the modified image object * @access public */ public function prepareRowAsPng($spatial, $label, $line_color, $scale_data, $image) { // allocate colors $black = imagecolorallocate($image, 0, 0, 0); $red = hexdec(mb_substr($line_color, 1, 2)); $green = hexdec(mb_substr($line_color, 3, 2)); $blue = hexdec(mb_substr($line_color, 4, 2)); $color = imagecolorallocate($image, $red, $green, $blue); // Trim to remove leading 'MULTILINESTRING((' and trailing '))' $multilinestirng = mb_substr($spatial, 17, mb_strlen($spatial) - 19); // Separate each linestring $linestirngs = explode("),(", $multilinestirng); $first_line = true; foreach ($linestirngs as $linestring) { $points_arr = $this->extractPoints($linestring, $scale_data); foreach ($points_arr as $point) { if (!isset($temp_point)) { $temp_point = $point; } else { // draw line section imageline($image, $temp_point[0], $temp_point[1], $point[0], $point[1], $color); $temp_point = $point; } } unset($temp_point); // print label if applicable if (isset($label) && trim($label) != '' && $first_line) { imagestring($image, 1, $points_arr[1][0], $points_arr[1][1], trim($label), $black); } $first_line = false; } return $image; }
static function codeimage() { $image = imagecreatetruecolor(100, 30); $bgcolor = imagecolorallocate($image, 255, 255, 255); imagefill($image, 0, 0, $bgcolor); $code = ''; for ($i = 0; $i < 4; $i++) { $fontsize = 6; $fontcolor = imagecolorallocate($image, rand(0, 120), rand(0, 120), rand(0, 120)); $data = "abcdefghjkmnpqrstuvwxy3456789"; $fontcontent = substr($data, rand(1, strlen($data) - 1), 1); $code .= $fontcontent; $x = $i * 100 / 4 + rand(5, 10); $y = rand(5, 10); imagestring($image, $fontsize, $x, $y, $fontcontent, $fontcolor); } for ($i = 0; $i < 200; $i++) { $pointcolor = imagecolorallocate($image, rand(50, 200), rand(50, 200), rand(50, 200)); imagesetpixel($image, rand(1, 99), rand(1, 29), $pointcolor); } for ($i = 0; $i < 2; $i++) { $linecolor = imagecolorallocate($image, rand(80, 220), rand(80, 220), rand(80, 220)); imageline($image, rand(1, 99), rand(1, 29), rand(1, 99), rand(1, 29), $linecolor); } $return['code'] = $code; $return['image'] = $image; return $return; // header('content-type:image/png'); // imagepng($image); }
/** * 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 resize($photo_src, $width, $name) { $parametr = getimagesize($photo_src); list($width_orig, $height_orig) = getimagesize($photo_src); $ratio_orig = $width_orig / $height_orig; $new_width = $width; $new_height = $width / $ratio_orig; $newpic = imagecreatetruecolor($new_width, $new_height); $col2 = imagecolorallocate($newpic, 255, 255, 255); imagefilledrectangle($newpic, 0, 0, $new_width, $new_width, $col2); switch ($parametr[2]) { case 1: $image = imagecreatefromgif($photo_src); break; case 2: $image = imagecreatefromjpeg($photo_src); break; case 3: $image = imagecreatefrompng($photo_src); break; } imagecopyresampled($newpic, $image, 0, 0, 0, 0, $new_width, $new_height, $width_orig, $height_orig); imagejpeg($newpic, $name, 100); return true; }
protected function createMask(sfImage $image, $w, $h) { // Create a mask png image of the area you want in the circle/ellipse (a 'magicpink' image with a black shape on it, with black set to the colour of alpha transparency) - $mask $mask = $image->getAdapter()->getTransparentImage($w, $h); // Set the masking colours if (false === $this->getColor() || 'image/png' == $image->getMIMEType()) { $mask_black = imagecolorallocate($mask, 0, 0, 0); } else { $mask_black = $image->getAdapter()->getColorByHex($mask, $this->getColor()); } // Cannot use white as transparent mask if color is set to white if ($this->getColor() === '#FFFFFF' || $this->getColor() === false) { $mask_transparent = imagecolorallocate($mask, 255, 0, 0); } else { $mask_color = imagecolorsforindex($mask, imagecolorat($image->getAdapter()->getHolder(), 0, 0)); $mask_transparent = imagecolorallocate($mask, $mask_color['red'], $mask_color['green'], $mask_color['blue']); } imagecolortransparent($mask, $mask_transparent); imagefill($mask, 0, 0, $mask_black); // Draw the rounded rectangle for the mask $this->imagefillroundedrect($mask, 0, 0, $w, $h, $this->getRadius(), $mask_transparent); $mask_image = clone $image; $mask_image->getAdapter()->setHolder($mask); return $mask_image; }
function GetPartialImage($url) { $W = 150; $H = 130; $F = 80; $STEP = 1.0 / $F; $im = imagecreatefromjpeg($url); $dest = imagecreatetruecolor($W, $H); imagecopy($dest, $im, 0, 0, 35, 40, $W, $H); $a = 1; for( $y = $H - $F; $y < $H; $y++ ) { for ( $x = 0; $x < $W; $x++ ) { $i = imagecolorat($dest, $x, $y); $c = imagecolorsforindex($dest, $i); $c = imagecolorallocate($dest, a($c['red'], $a), a($c['green'], $a), a($c['blue'], $a) ); imagesetpixel($dest, $x, $y, $c); } $a -= $STEP; } header('Content-type: image/png'); imagepng($dest); imagedestroy($dest); imagedestroy($im); }
public function testUploadFile() { $album = $this->Album->init(); $tmp_file = "/tmp/111111111.jpg"; # Generate custom image to test upload $im = imagecreatetruecolor(120, 20); $text_color = imagecolorallocate($im, 233, 14, 91); imagestring($im, 1, 5, 5, 'A Simple Text String', $text_color); imagejpeg($im, $tmp_file); # Generate path to save file $file_path = $this->Picture->generateFilePath($album['Album']['id'], 'picturetests.jpg'); $file = new File($file_path); # Get resize options $resize_attrs = $this->Picture->getResizeToSize(); # Upload and save $should_return_3 = $this->Picture->uploadFile($file_path, $album['Album']['id'], 'samplepicture.jpg', $tmp_file, $resize_attrs['width'], $resize_attrs['height'], $resize_attrs['action'], true); # File was saved? $this->assertEqual(3, $should_return_3); # File was uploaded? $this->assertTrue($file->exists()); # Should rise exception try { $this->Picture->uploadFile($file_path, null, 'samplepicture.jpg', $tmp_file, $resize_attrs['width'], $resize_attrs['height'], $resize_attrs['action'], true); } catch (ForbiddenException $e) { $this->assertEqual($e->getMessage(), "The album ID is required"); } }
/** * Processes incoming text */ public function action_index() { $this->request->headers['Content-type'] = 'image/png'; // Grab text and styles $text = arr::get($_GET, 'text'); $styles = $_GET; $hover = FALSE; try { // Create image $img = new PNGText($text, $styles); foreach ($styles as $key => $value) { if (substr($key, 0, 6) == 'hover-') { // Grab hover associated styles and override existing styles $hover = TRUE; $styles[substr($key, 6)] = $value; } } if ($hover) { // Create new hover image and stack it $hover = new PNGText($text, $styles); $img->stack($hover); } echo $img->draw(); } catch (Exception $e) { if (Kohana::config('pngtext.debug')) { // Dump error message in an image form $img = imagecreatetruecolor(strlen($e->getMessage()) * 6, 16); imagefill($img, 0, 0, imagecolorallocate($img, 255, 255, 255)); imagestring($img, 2, 0, 0, $e->getMessage(), imagecolorallocate($img, 0, 0, 0)); echo imagepng($img); } } }
function graph_error($string) { global $vars, $config, $debug, $graphfile; $vars['bg'] = 'FFBBBB'; include 'includes/graphs/common.inc.php'; $rrd_options .= ' HRULE:0#555555'; $rrd_options .= " --title='" . $string . "'"; rrdtool_graph($graphfile, $rrd_options); if ($height > '99') { shell_exec($rrd_cmd); d_echo('<pre>' . $rrd_cmd . '</pre>'); if (is_file($graphfile) && !$debug) { header('Content-type: image/png'); $fd = fopen($graphfile, 'r'); fpassthru($fd); fclose($fd); unlink($graphfile); exit; } } else { if (!$debug) { header('Content-type: image/png'); } $im = imagecreate($width, $height); $px = (imagesx($im) - 7.5 * strlen($string)) / 2; imagestring($im, 3, $px, $height / 2 - 8, $string, imagecolorallocate($im, 128, 0, 0)); imagepng($im); imagedestroy($im); exit; } }
public function index() { $code = substr(sha1(mt_rand()), 17, 6); $this->session->set_userdata('captcha_code', $code); $width = '120'; $height = '40'; $font = APPPATH . 'modules/contact/assets/fonts/monofont.ttf'; $font_size = $height * 0.75; $image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream'); /* set the colours */ $background_color = imagecolorallocate($image, 255, 255, 255); $text_color = imagecolorallocate($image, 20, 40, 100); $noise_color = imagecolorallocate($image, 100, 120, 180); /* generate random dots in background */ for ($i = 0; $i < $width * $height / 3; $i++) { imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color); } /* generate random lines in background */ for ($i = 0; $i < $width * $height / 150; $i++) { imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color); } /* create textbox and add text */ $textbox = imagettfbbox($font_size, 0, $font, $code) or die('Error in imagettfbbox function'); $x = ($width - $textbox[4]) / 2; $y = ($height - $textbox[5]) / 2; imagettftext($image, $font_size, 0, $x, $y, $text_color, $font, $code) or die('Error in imagettftext function'); /* output captcha image to browser */ header('Content-Type: image/jpeg'); imagejpeg($image); imagedestroy($image); }
/** * Adds to the PNG image object, the data related to a row in the GIS dataset. * * @param string $spatial GIS MULTIPOINT object * @param string $label Label for the GIS MULTIPOINT object * @param string $point_color Color for the GIS MULTIPOINT object * @param array $scale_data Array containing data related to scaling * @param object $image Image object * * @return object the modified image object * @access public */ public function prepareRowAsPng($spatial, $label, $point_color, $scale_data, $image) { /** @var PMA_String $pmaString */ $pmaString = $GLOBALS['PMA_String']; // allocate colors $black = imagecolorallocate($image, 0, 0, 0); $red = hexdec($pmaString->substr($point_color, 1, 2)); $green = hexdec($pmaString->substr($point_color, 3, 2)); $blue = hexdec($pmaString->substr($point_color, 4, 2)); $color = imagecolorallocate($image, $red, $green, $blue); // Trim to remove leading 'MULTIPOINT(' and trailing ')' $multipoint = $pmaString->substr($spatial, 11, $pmaString->strlen($spatial) - 12); $points_arr = $this->extractPoints($multipoint, $scale_data); foreach ($points_arr as $point) { // draw a small circle to mark the point if ($point[0] != '' && $point[1] != '') { imagearc($image, $point[0], $point[1], 7, 7, 0, 360, $color); } } // print label for each point if (isset($label) && trim($label) != '' && ($points_arr[0][0] != '' && $points_arr[0][1] != '')) { imagestring($image, 1, $points_arr[0][0], $points_arr[0][1], trim($label), $black); } return $image; }
function foundation_process_image_file($file_name, $setting_name) { if ($setting_name->domain == FOUNDATION_SETTING_DOMAIN && $setting_name->name == 'logo_image') { // Need to make sure this isn't too big if (function_exists('getimagesize') && function_exists('imagecreatefrompng') && function_exists('imagecopyresampled') && function_exists('imagepng')) { $size = getimagesize($file_name); if ($size) { $width = $size[0]; $height = $size[1]; if ($size['mime'] == 'image/png') { if ($width > FOUNDATION_MAX_LOGO_SIZE) { $new_width = FOUNDATION_MAX_LOGO_SIZE; $new_height = $height * $new_width / $width; $src_image = imagecreatefrompng($file_name); $saved_image = imagecreatetruecolor($new_width, $new_height); // Preserve Transparency imagecolortransparent($saved_image, imagecolorallocate($saved_image, 0, 0, 0)); imagecopyresampled($saved_image, $src_image, 0, 0, 0, 0, $new_width, $new_height, $width, $height); // Get rid of the old file unlink($file_name); // New image, compression level 5 (make it a bit smaller) imagepng($saved_image, $file_name, 5); } } } } } }
function CaptchaSecurityImages($width = '120', $height = '40', $characters = '6') { $code = $this->generateCode($characters); /* font size will be 75% of the image height */ $font_size = $height * 0.5; $image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream'); /* set the colours */ $background_color = imagecolorallocate($image, 20, 20, 20); $text_color = imagecolorallocate($image, 230, 197, 89); $noise_color = imagecolorallocate($image, 0, 0, 0); /* generate random dots in background */ for ($i = 0; $i < $width * $height / 3; $i++) { imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color); } /* generate random lines in background */ /*for( $i=0; $i<($width*$height)/150; $i++ ) { imageline($image, mt_rand(0,$width), mt_rand(0,$height), mt_rand(0,$width), mt_rand(0,$height), $noise_color); }*/ /* create textbox and add text */ $textbox = imagettfbbox($font_size, 0, $this->font, $code) or die('Error in imagettfbbox function'); $x = ($width - $textbox[4]) / 2; $y = ($height - $textbox[5]) / 2; imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font, $code) or die('Error in imagettftext function'); /* output captcha image to browser */ header('Content-Type: image/jpeg'); imagejpeg($image); imagedestroy($image); $_SESSION['security_code'] = $code; }
/** * Displays the captcha image * * @access public * @param int $key Captcha key * @return mixed Captcha raw image data */ function image($key) { $value = Jaws_Utils::RandomText(); $result = $this->update($key, $value); if (Jaws_Error::IsError($result)) { $value = ''; } $bg = dirname(__FILE__) . '/resources/simple.bg.png'; $im = imagecreatefrompng($bg); imagecolortransparent($im, imagecolorallocate($im, 255, 255, 255)); // Write it in a random position.. $darkgray = imagecolorallocate($im, 0x10, 0x70, 0x70); $x = 5; $y = 20; $text_length = strlen($value); for ($i = 0; $i < $text_length; $i++) { $fnt = rand(7, 10); $y = rand(6, 10); imagestring($im, $fnt, $x, $y, $value[$i], $darkgray); $x = $x + rand(15, 25); } header("Content-Type: image/png"); ob_start(); imagepng($im); $content = ob_get_contents(); ob_end_clean(); imagedestroy($im); return $content; }
public function testImage() { $size = 300; $this->image = imagecreatetruecolor($size, $size); //用白色背景,黑色边框画方框 $back = imagecolorallocate($this->image, 255, 255, 255); $border = imagecolorallocate($this->image, 0, 0, 0); imagefilledrectangle($this->image, 0, 0, $size, $size, $back); //画出白色背景 imagerectangle($this->image, 0, 0, $size - 1, $size - 1, $border); //画出黑色边框 $yellow_x = 150; $yellow_y = 75; $red_x = 100; $red_y = 160; $blue_x = 200; $blue_y = 160; $radius = 150; $yellow = imagecolorallocatealpha($this->image, 255, 255, 0, 75); //此函数将黄色的alpha值调为75,就是透明度 $red = imagecolorallocatealpha($this->image, 255, 0, 0, 75); $blue = imagecolorallocatealpha($this->image, 0, 0, 255, 75); //画三个交叠的圆 imagefilledellipse($this->image, $yellow_x, $yellow_y, $radius, $radius, $yellow); //此函数就是我要在$image上画一个圆心($yellow_x,$yellow_y)半径为$radius/2颜色为$yellow的圆 imagefilledellipse($this->image, $red_x, $red_y, $radius, $radius, $red); imagefilledellipse($this->image, $blue_x, $blue_y, $radius, $radius, $blue); //输出正确的header header("Content-type: image/png"); //输出结果 imagepng($this->image); imagedestroy($this->image); }
function draw_bar_graph($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); }
/** * * @param string $playername Minecraft player name * @param resource $avatar the rendered avatar (for example player head) * * @param string $background Image Path or Standard Value * @return resource the generated banner */ public static function player($playername, $avatar = NULL, $background = NULL) { $canvas = MinecraftBanner::getBackgroundCanvas(self::PLAYER_WIDTH, self::PLAYER_HEIGHT, $background); $head_height = self::AVATAR_SIZE; $head_width = self::AVATAR_SIZE; $avater_x = self::PLAYER_PADDING; $avater_y = self::PLAYER_HEIGHT / 2 - self::AVATAR_SIZE / 2; if ($avatar == NULL) { $avatar = imagecreatefrompng(__DIR__ . "/img/head.png"); imagesavealpha($avatar, true); imagecopy($canvas, $avatar, $avater_x, $avater_y, 0, 0, $head_width, $head_height); } else { $head_width = imagesx($avatar); $head_height = imagesy($avatar); if ($head_width > self::AVATAR_SIZE) { $head_width = self::AVATAR_SIZE; } if ($head_height > self::AVATAR_SIZE) { $head_height = self::AVATAR_SIZE; } $center_x = $avater_x + self::AVATAR_SIZE / 2 - $head_width / 2; $center_y = $avater_y + self::AVATAR_SIZE / 2 - $head_height / 2; imagecopy($canvas, $avatar, $center_x, $center_y, 0, 0, $head_width, $head_height); } $box = imagettfbbox(self::TEXT_SIZE, 0, MinecraftBanner::FONT_FILE, $playername); $text_width = abs($box[4] - $box[0]); $text_color = imagecolorallocate($canvas, 255, 255, 255); $remaining = self::PLAYER_WIDTH - self::AVATAR_SIZE - $avater_x - self::PLAYER_PADDING; $text_posX = $avater_x + self::AVATAR_SIZE + $remaining / 2 - $text_width / 2; $text_posY = $avater_y + self::AVATAR_SIZE / 2 + self::TEXT_SIZE / 2; imagettftext($canvas, self::TEXT_SIZE, 0, $text_posX, $text_posY, $text_color, MinecraftBanner::FONT_FILE, $playername); return $canvas; }
function getCode($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); }
/** * Adds to the PNG image object, the data related to a row in the GIS dataset. * * @param string $spatial GIS LINESTRING object * @param string $label Label for the GIS LINESTRING object * @param string $line_color Color for the GIS LINESTRING object * @param array $scale_data Array containing data related to scaling * @param image $image Image object * * @return the modified image object */ public function prepareRowAsPng($spatial, $label, $line_color, $scale_data, $image) { // allocate colors $black = imagecolorallocate($image, 0, 0, 0); $red = hexdec(substr($line_color, 1, 2)); $green = hexdec(substr($line_color, 3, 2)); $blue = hexdec(substr($line_color, 4, 2)); $color = imagecolorallocate($image, $red, $green, $blue); // Trim to remove leading 'LINESTRING(' and trailing ')' $linesrting = substr($spatial, 11, strlen($spatial) - 12); $points_arr = $this->extractPoints($linesrting, $scale_data); foreach ($points_arr as $point) { if (!isset($temp_point)) { $temp_point = $point; } else { // draw line section imageline($image, $temp_point[0], $temp_point[1], $point[0], $point[1], $color); $temp_point = $point; } } // print label if applicable if (isset($label) && trim($label) != '') { imagestring($image, 1, $points_arr[1][0], $points_arr[1][1], trim($label), $black); } return $image; }
function get_default_image() { $image = imagecreate(50, 50); $color = imagecolorallocate($image, 250, 50, 50); imagefill($image, 0, 0, $color); return $image; }
function embroidery2image($embroidery, $scale_post = 1, $scale_pre = false) { // Create image $im = imagecreatetruecolor(ceil($embroidery->imageWidth * $scale_post), ceil($embroidery->imageHeight * $scale_post)); imagesavealpha($im, true); imagealphablending($im, false); $color = imagecolorallocatealpha($im, 255, 255, 255, 127); imagefill($im, 0, 0, $color); // Draw stitches foreach ($embroidery->blocks as $block) { $color = imagecolorallocate($im, $block->color->r, $block->color->g, $block->color->b); $x = false; foreach ($block->stitches as $stitch) { if ($x !== false) { imageline($im, ($x - $embroidery->min->x) * $scale_post, ($y - $embroidery->min->y) * $scale_post, ($stitch->x - $embroidery->min->x) * $scale_post, ($stitch->y - $embroidery->min->y) * $scale_post, $color); } $x = $stitch->x; $y = $stitch->y; } } // Scale finished image if ($scale_pre) { $im2 = imagecreatetruecolor($embroidery->imageWidth * $scale_post * $scale_pre, $embroidery->imageHeight * $scale_post * $scale_pre); imagesavealpha($im2, true); imagealphablending($im2, false); imagecopyresized($im2, $im, 0, 0, 0, 0, $embroidery->imageWidth * $scale_post * $scale_pre, $embroidery->imageHeight * $scale_post * $scale_pre, $embroidery->imageWidth * $scale_post, $embroidery->imageHeight * $scale_post); imagedestroy($im); $im = $im2; } return $im; }
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 _qmd_img_list($pic_path = '', $user_uid = 0, $user_face = '', $topic_content = '', $topic_dateline) { header("Content-type: image/png"); $bg = imagecreatefromjpeg($pic_path); $white = imagecolorallocate($bg, 00, 00, 00); $content = str_split($topic_content, 40); $content = array_iconv($this->Config['charset'], 'utf-8', $content); $topic_url = $this->Config['site_url']; $topic_date = array_iconv($this->Config['charset'], 'utf-8', $topic_dateline . ' | ' . '记事狗微博'); imagettftext($bg, 9, 0, 130, 25, $white, "images/simsun.ttc", $content[0]); imagettftext($bg, 9, 0, 130, 45, $white, "images/simsun.ttc", $content[1]); imagettftext($bg, 9, 0, 130, 70, $white, "images/simsun.ttc", $topic_date); imagettftext($bg, 9, 0, 218, 90, $white, "images/simsun.ttc", $topic_url); $dst_im = imagecreatefromjpeg($bg); $dst_info = getimagesize($bg); $src = $user_face; $src_im = imagecreatefromjpeg($src); $src_info = getimagesize($src); $dst_x = 20; $dst_y = 12; $src_x = 0; $src_y = 0; $src_w = $src_info[0]; $src_h = $src_info[1]; $alpha = 100; imagecopymerge($bg, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $alpha); $image_path = RELATIVE_ROOT_PATH . 'images/qmd/' . face_path(MEMBER_ID); if (!is_dir($image_path)) { jio()->MakeDir($image_path); } $image_file = $image_path . MEMBER_ID . '_o.png'; imagepng($bg, $image_file); imagedestroy($bg); return $image_file; }
/** * Génère l'avatar */ public function run() { //On créer l'image avec les dimentions données $image = imagecreate($this->_size, $this->_size); //On créer la couleur en fonction du hash de la chaine de caractères $color = imagecolorallocate($image, hexdec(substr($this->_color, 0, 2)), hexdec(substr($this->_color, 2, 2)), hexdec(substr($this->_color, 4, 2))); //on défini le fond de l'image (blanc) $bg = imagecolorallocate($image, 255, 255, 255); //nombre de blocs à placer dans l'image (taille de l'image/taille des blocs) $c = $this->_size / $this->_blockSize; for ($x = 0; $x < ceil($c / 2); $x++) { for ($y = 0; $y < $c; $y++) { // Si le nombre est pair $pixel vaut true sinon $pixel vaut false $pixel = hexdec($this->_hash[(int) ($x * ceil($c / 2)) + $y]) % 2 == 0; if ($pixel) { $pixelColor = $color; } else { $pixelColor = $bg; } // On place chaque bloc de l'image //imagefilledrectangle($image, $x*$this->_blockSize, $y*$this->_blockSize, ($x+1)*$this->_blockSize, ($y+1)*$this->_blockSize, $pixelColor); //imagefilledrectangle($image, $this->_size-$x*$this->_blockSize, $y*$this->_blockSize, $this->_size-($x+1)*$this->_blockSize, ($y+1)*$this->_blockSize, $pixelColor); imagefilledrectangle($image, $x * $this->_blockSize, $y * $this->_blockSize, ($x + 1) * $this->_blockSize, ($y + 1) * $this->_blockSize, $pixelColor); imagefilledrectangle($image, $this->_size - $x * $this->_blockSize, $y * $this->_blockSize, $this->_size - ($x + 1) * $this->_blockSize, ($y + 1) * $this->_blockSize, $pixelColor); } } ob_start(); imagepng($image); //on place l'image en mémoire $this->_image = ob_get_contents(); ob_clean(); }