/**
* Create a new stacktrace instance from a backtrace.
*
* @param Bugsnag_Configuration $config the configuration instance
* @param array $backtrace the associated backtrace
* @param int $topFile the top file to use
* @param int $topLine the top line to use
*
* @return self
*/
public static function fromBacktrace($config, $backtrace, $topFile, $topLine)
{
$stacktrace = new self($config);
// PHP backtrace's are misaligned, we need to shift the file/line down a frame
foreach ($backtrace as $frame) {
if (!self::frameInsideBugsnag($frame)) {
$stacktrace->addFrame($topFile, $topLine, isset($frame['function']) ? $frame['function'] : null, isset($frame['class']) ? $frame['class'] : null);
}
if (isset($frame['file']) && isset($frame['line'])) {
$topFile = $frame['file'];
$topLine = $frame['line'];
} else {
$topFile = '[internal]';
$topLine = 0;
}
}
// Add a final stackframe for the "main" method
$stacktrace->addFrame($topFile, $topLine, '[main]');
return $stacktrace;
}
public static function initFromDecoded(Decoded $decoded)
{
$container = new self();
$container->setLoops($decoded->getLoops());
// create empty canvas
$driver = new Driver();
$canvas = $driver->newImage($decoded->getCanvasWidth(), $decoded->getCanvasHeight())->getCore();
foreach ($decoded->getFrames() as $key => $frame) {
// create resource from frame
$encoder = new GifEncoder();
$encoder->setFromDecoded($decoded, $key);
$frame_resource = imagecreatefromstring($encoder->encode());
// insert frame image data into canvas
imagecopy($canvas, $frame_resource, $frame->getOffset()->left, $frame->getOffset()->top, 0, 0, $frame->getSize()->width, $frame->getSize()->height);
// destory frame resource
imagedestroy($frame_resource);
// add frame to container
$container->addFrame(new \Intervention\Image\Frame($canvas, $frame->getDelay()));
// prepare next canvas
$canvas = Helper::cloneResource($canvas);
}
return $container;
}
/**
* Creates a new animated gif object from a selection of files.
*
* @access public
* @author Oliver Lillie
* @param string $file_paths
* @param string $frame_delay
* @param string $loop_count
* @return mixed Returns an AnimatedGif object on success, otherwise returns false.
*/
public static function createFrom(array $image_object_array, $frame_delay, $loop_count = self::UNLIMITED_LOOPS, Config $config = null)
{
if (empty($image_object_array) === true) {
throw new Exception('At least one file path must be specified when creating an animated gif from AnimatedGif::createFrom.');
}
if ($frame_delay <= 0) {
throw new Exception('The frame delay must be greater than 0.');
}
// create a new gif and add all the frames.
$gif = new self(null, $config);
foreach ($image_object_array as $key => $image) {
if (is_object($image) === false || get_class($image) !== 'PHPVideoToolkit\\Image') {
throw new Exception('The image at key ' . $key . ' is not an \\PHPVideoToolkit\\Image object. Each frame must be an Image object.');
}
$gif->addFrame($image, $frame_delay);
}
// set the loop count
$gif->setLoopCount($loop_count);
return $gif;
}
