/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * main.cpp - cam - The libcamera swiss army knife */ #include #include #include #include #include #include #include #include #include #include "buffer_writer.h" #include "event_loop.h" #include "options.h" using namespace libcamera; OptionsParser::Options options; std::shared_ptr camera; std::map streamInfo; EventLoop *loop; BufferWriter *writer; enum { OptCamera = 'c', OptCapture = 'C', OptFile = 'F', OptHelp = 'h', OptList = 'l', OptStream = 's', }; void signalHandler(int signal) { std::cout << "Exiting" << std::endl; loop->exit(); } static int parseOptions(int argc, char *argv[]) { KeyValueParser streamKeyValue; streamKeyValue.addOption("role", OptionString, "Role for the stream (viewfinder, video, still)", ArgumentRequired); streamKeyValue.addOption("width", OptionInteger, "Width in pixels", ArgumentRequired); streamKeyValue.addOption("height", OptionInteger, "Height in pixels", ArgumentRequired); streamKeyValue.addOption("pixelformat", OptionInteger, "Pixel format", ArgumentRequired); OptionsParser parser; parser.addOption(OptCamera, OptionString, "Specify which camera to operate on", "camera", ArgumentRequired, "camera"); parser.addOption(OptCapture, OptionNone, "Capture until interrupted by user", "capture"); parser.addOption(OptFile, OptionString, "Write captured frames to disk\n" "The first '#' character in the file name is expanded to the stream name and frame sequence number.\n" "The default file name is 'frame-#.bin'.", "file", ArgumentOptional, "filename"); parser.addOption(OptStream, &streamKeyValue, "Set configuration of a camera stream", "stream", true); parser.addOption(OptHelp, OptionNone, "Display this help message", "help"); parser.addOption(OptList, OptionNone, "List all cameras", "list"); options = parser.parse(argc, argv); if (!options.valid()) return -EINVAL; if (options.empty() || options.isSet(OptHelp)) { parser.usage(); return options.empty() ? -EINVAL : -EINTR; } return 0; } static int prepareCameraConfig(CameraConfiguration *config) { std::vector roles; streamInfo.clear(); /* If no configuration is provided assume a single video stream. */ if (!options.isSet(OptStream)) { *config = camera->streamConfiguration({ Stream::VideoRecording() }); streamInfo[config->front()] = "stream0"; return 0; } const std::vector &streamOptions = options[OptStream].toArray(); /* Use roles and get a default configuration. */ for (auto const &value : streamOptions) { KeyValueParser::Options conf = value.toKeyValues(); if (!conf.isSet("role")) { roles.push_back(Stream::VideoRecording()); } else if (conf["role"].toString() == "viewfinder") { roles.push_back(Stream::Viewfinder(conf["width"], conf["height"])); } else if (conf["role"].toString() == "video") { roles.push_back(Stream::VideoRecording()); } else if (conf["role"].toString() == "still") { roles.push_back(Stream::StillCapture()); } else { std::cerr << "Unknown stream role " << conf["role"].toString() << std::endl; return -EINVAL; } } *config = camera->streamConfiguration(roles); if (!config->isValid()) { std::cerr << "Failed to get default stream configuration" << std::endl; return -EINVAL; } /* Apply configuration explicitly requested. */ CameraConfiguration::iterator it = config->begin(); for (auto const &value : streamOptions) { KeyValueParser::Options conf = value.toKeyValues(); Stream *stream = *it; it++; if (conf.isSet("width")) (*config)[stream].width = conf["width"]; if (conf.isSet("height")) (*config)[stream].height = conf["height"]; /* TODO: Translate 4CC string to ID. */ if (conf.isSet("pixelformat")) (*config)[stream].pixelFormat = conf["pixelformat"]; } unsigned int index = 0; for (Stream *stream : *config) { streamInfo[stream] = "stream" + std::to_string(index); index++; } return 0; } static void requestComplete(Request *request, const std::map &buffers) { static uint64_t now, last = 0; double fps = 0.0; if (request->status() == Request::RequestCancelled) return; struct timespec time; clock_gettime(CLOCK_MONOTONIC, &time); now = time.tv_sec * 1000 + time.tv_nsec / 1000000; fps = now - last; fps = last && fps ? 1000.0 / fps : 0.0; last = now; std::stringstream info; info << "fps: " << std::fixed << std::setprecision(2) << fps; for (auto it = buffers.begin(); it != buffers.end(); ++it) { Stream *stream = it->first; Buffer *buffer = it->second; const std::string &name = streamInfo[stream]; info << " " << name << " (" << buffer->index() << ")" << " seq: " << std::setw(6) << std::setfill('0') << buffer->sequence() << " bytesused: " << buffer->bytesused(); if (writer) writer->write(buffer, name); } std::cout << info.str() << std::endl; request = camera->createRequest(); if (!request) { std::cerr << "Can't create request" << std::endl; return; } request->setBuffers(buffers); camera->queueRequest(request); } static int capture() { CameraConfiguration config; int ret; ret = prepareCameraConfig(&config); if (ret) { std::cout << "Failed to prepare camera configuration" << std::endl; return ret; } ret = camera->configureStreams(config); if (ret < 0) { std::cout << "Failed to configure camera" << std::endl; return ret; } ret = camera->allocateBuffers(); if (ret) { std::cerr << "Failed to allocate buffers" << std::endl; return ret; } camera->requestCompleted.connect(requestComplete); /* Identify the stream with the least number of buffers. */ unsigned int nbuffers = UINT_MAX; for (Stream *stream : config) nbuffers = std::min(nbuffers, stream->bufferPool().count()); /* * TODO: make cam tool smarter to support still capture by for * example pushing a button. For now run all streams all the time. */ std::vector requests; for (unsigned int i = 0; i < nbuffers; i++) { Request *request = camera->createRequest(); if (!request) { std::cerr << "Can't create request" << std::endl; ret = -ENOMEM; goto out; } std::map map; for (Stream *stream : config) map[stream] = &stream->bufferPool().buffers()[i]; ret = request->setBuffers(map); if (ret < 0) { std::cerr << "Can't set buffers for request" << std::endl; goto out; } requests.push_back(request); } ret = camera->start(); if (ret) { std::cout << "Failed to start capture" << std::endl; goto out; } for (Request *request : requests) { ret = camera->queueRequest(request); if (ret < 0) { std::cerr << "Can't queue request" << std::endl; goto out; } } std::cout << "Capture until user interrupts by SIGINT" << std::endl; ret = loop->exec(); ret = camera->stop(); if (ret) std::cout << "Failed to stop capture" << std::endl; out: camera->freeBuffers(); return ret; } int main(int argc, char **argv) { int ret; ret = parseOptions(argc, argv); if (ret < 0) return ret == -EINTR ? 0 : EXIT_FAILURE; CameraManager *cm = CameraManager::instance(); ret = cm->start(); if (ret) { std::cout << "Failed to start camera manager: " << strerror(-ret) << std::endl; return EXIT_FAILURE; } loop = new EventLoop(cm->eventDispatcher()); struct sigaction sa = {}; sa.sa_handler = &signalHandler; sigaction(SIGINT, &sa, nullptr); if (options.isSet(OptList)) { std::cout << "Available cameras:" << std::endl; for (const std::shared_ptr &cam : cm->cameras()) std::cout << "- " << cam->name() << std::endl; } if (options.isSet(OptCamera)) { camera = cm->get(options[OptCamera]); if (!camera) { std::cout << "Camera " << std::string(options[OptCamera]) << " not found" << std::endl; goto out; } if (camera->acquire()) { std::cout << "Failed to acquire camera" << std::endl; goto out; } std::cout << "Using camera " << camera->name() << std::endl; } if (options.isSet(OptCapture)) { if (!camera) { std::cout << "Can't capture without a camera" << std::endl; ret = EXIT_FAILURE; goto out; } if (options.isSet(OptFile)) { if (!options[OptFile].toString().empty()) writer = new BufferWriter(options[OptFile]); else writer = new BufferWriter(); } capture(); if (options.isSet(OptFile)) { delete writer; writer = nullptr; } } if (camera) { camera->release(); camera.reset(); } out: delete loop; cm->stop(); return ret; } /a> 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * Geometry classes tests
 */

#include <iostream>

#include <libcamera/geometry.h>

#include "test.h"

using namespace std;
using namespace libcamera;

class GeometryTest : public Test
{
protected:
	template<typename T>
	bool compare(const T &lhs, const T &rhs,
		     bool (*op)(const T &lhs, const T &rhs),
		     const char *opName, bool expect)
	{
		bool result = op(lhs, rhs);

		if (result != expect) {
			cout << lhs << opName << " " << rhs
			     << "test failed" << std::endl;
			return false;
		}

		return true;
	}

	int run()
	{
		/*
		 * Point tests
		 */

		/* Equality */
		if (!compare(Point(50, 100), Point(50, 100), &operator==, "==", true))
			return TestFail;

		if (!compare(Point(-50, 100), Point(-50, 100), &operator==, "==", true))
			return TestFail;

		if (!compare(Point(50, -100), Point(50, -100), &operator==, "==", true))
			return TestFail;

		if (!compare(Point(-50, -100), Point(-50, -100), &operator==, "==", true))
			return TestFail;

		/* Inequality */
		if (!compare(Point(50, 100), Point(50, 100), &operator!=, "!=", false))
			return TestFail;

		if (!compare(Point(-50, 100), Point(-50, 100), &operator!=, "!=", false))
			return TestFail;

		if (!compare(Point(50, -100), Point(50, -100), &operator!=, "!=", false))
			return TestFail;

		if (!compare(Point(-50, -100), Point(-50, -100), &operator!=, "!=", false))
			return TestFail;

		if (!compare(Point(-50, 100), Point(50, 100), &operator!=, "!=", true))
			return TestFail;

		if (!compare(Point(50, -100), Point(50, 100), &operator!=, "!=", true))
			return TestFail;

		if (!compare(Point(-50, -100), Point(50, 100), &operator!=, "!=", true))
			return TestFail;

		/* Negation */
		if (Point(50, 100) != -Point(-50, -100) ||
		    Point(50, 100) == -Point(50, -100) ||
		    Point(50, 100) == -Point(-50, 100)) {
			cout << "Point negation test failed" << endl;
			return TestFail;
		}

		/* Default constructor */
		if (Point() != Point(0, 0)) {
			cout << "Default constructor test failed" << endl;
			return TestFail;
		}

		/*
		 * Size tests
		 */

		if (!Size().isNull() || !Size(0, 0).isNull()) {
			cout << "Null size incorrectly reported as not null" << endl;
			return TestFail;
		}

		if (Size(0, 100).isNull() || Size(100, 0).isNull() || Size(100, 100).isNull()) {
			cout << "Non-null size incorrectly reported as null" << endl;
			return TestFail;
		}

		/*
		 * Test alignDownTo(), alignUpTo(), boundTo(), expandTo(),
		 * growBy() and shrinkBy()
		 */
		Size s(50, 50);

		s.alignDownTo(16, 16);
		if (s != Size(48, 48)) {
			cout << "Size::alignDownTo() test failed" << endl;
			return TestFail;
		}

		s.alignUpTo(32, 32);
		if (s != Size(64, 64)) {
			cout << "Size::alignUpTo() test failed" << endl;
			return TestFail;
		}

		s.boundTo({ 40, 40 });
		if (s != Size(40, 40)) {
			cout << "Size::boundTo() test failed" << endl;
			return TestFail;
		}

		s.expandTo({ 50, 50 });
		if (s != Size(50, 50)) {
			cout << "Size::expandTo() test failed" << endl;
			return TestFail;
		}

		s.growBy({ 10, 20 });
		if (s != Size(60, 70)) {
			cout << "Size::growBy() test failed" << endl;
			return TestFail;
		}

		s.shrinkBy({ 20, 10 });
		if (s != Size(40, 60)) {
			cout << "Size::shrinkBy() test failed" << endl;
			return TestFail;
		}

		s.shrinkBy({ 100, 100 });
		if (s != Size(0, 0)) {
			cout << "Size::shrinkBy() clamp test failed" << endl;
			return TestFail;
		}

		s = Size(50,50).alignDownTo(16, 16).alignUpTo(32, 32)
		  .boundTo({ 40, 80 }).expandTo({ 16, 80 })
		  .growBy({ 4, 4 }).shrinkBy({ 10, 20 });
		if (s != Size(34, 64)) {
			cout << "Size chained in-place modifiers test failed" << endl;
			return TestFail;
		}

		/*
		 * Test alignedDownTo(), alignedUpTo(), boundedTo(),
		 * expandedTo(), grownBy() and shrunkBy()
		 */
		if (Size(0, 0).alignedDownTo(16, 8) != Size(0, 0) ||
		    Size(1, 1).alignedDownTo(16, 8) != Size(0, 0) ||
		    Size(16, 8).alignedDownTo(16, 8) != Size(16, 8)) {
			cout << "Size::alignedDownTo() test failed" << endl;
			return TestFail;
		}

		if (Size(0, 0).alignedUpTo(16, 8) != Size(0, 0) ||
		    Size(1, 1).alignedUpTo(16, 8) != Size(16, 8) ||
		    Size(16, 8).alignedUpTo(16, 8) != Size(16, 8)) {
			cout << "Size::alignedUpTo() test failed" << endl;
			return TestFail;
		}

		if (Size(0, 0).boundedTo({ 100, 100 }) != Size(0, 0) ||
		    Size(200, 50).boundedTo({ 100, 100 }) != Size(100, 50) ||
		    Size(50, 200).boundedTo({ 100, 100 }) != Size(50, 100)) {
			cout << "Size::boundedTo() test failed" << endl;
			return TestFail;
		}

		if (Size(0, 0).expandedTo({ 100, 100 }) != Size(100, 100) ||
		    Size(200, 50).expandedTo({ 100, 100 }) != Size(200, 100) ||
		    Size(50, 200).expandedTo({ 100, 100 }) != Size(100, 200)) {
			cout << "Size::expandedTo() test failed" << endl;
			return TestFail;
		}

		if (Size(0, 0).grownBy({ 10, 20 }) != Size(10, 20) ||
		    Size(200, 50).grownBy({ 10, 20 }) != Size(210, 70)) {
			cout << "Size::grownBy() test failed" << endl;
			return TestFail;
		}

		if (Size(200, 50).shrunkBy({ 10, 20 }) != Size(190, 30) ||
		    Size(200, 50).shrunkBy({ 10, 100 }) != Size(190, 0) ||
		    Size(200, 50).shrunkBy({ 300, 20 }) != Size(0, 30)) {
			cout << "Size::shrunkBy() test failed" << endl;
			return TestFail;
		}

		/* Aspect ratio tests */
		if (Size(0, 0).boundedToAspectRatio(Size(4, 3)) != Size(0, 0) ||
		    Size(1920, 1440).boundedToAspectRatio(Size(16, 9)) != Size(1920, 1080) ||
		    Size(1920, 1440).boundedToAspectRatio(Size(65536, 36864)) != Size(1920, 1080) ||
		    Size(1440, 1920).boundedToAspectRatio(Size(9, 16)) != Size(1080, 1920) ||
		    Size(1920, 1080).boundedToAspectRatio(Size(4, 3)) != Size(1440, 1080) ||
		    Size(1920, 1080).boundedToAspectRatio(Size(65536, 49152)) != Size(1440, 1080) ||
		    Size(1024, 1024).boundedToAspectRatio(Size(1, 1)) != Size(1024, 1024) ||
		    Size(1920, 1080).boundedToAspectRatio(Size(16, 9)) != Size(1920, 1080) ||
		    Size(200, 100).boundedToAspectRatio(Size(16, 9)) != Size(177, 100) ||
		    Size(300, 200).boundedToAspectRatio(Size(16, 9)) != Size(300, 168)) {
			cout << "Size::boundedToAspectRatio() test failed" << endl;
			return TestFail;
		}

		if (Size(0, 0).expandedToAspectRatio(Size(4, 3)) != Size(0, 0) ||
		    Size(1920, 1440).expandedToAspectRatio(Size(16, 9)) != Size(2560, 1440) ||
		    Size(1920, 1440).expandedToAspectRatio(Size(65536, 36864)) != Size(2560, 1440) ||
		    Size(1440, 1920).expandedToAspectRatio(Size(9, 16)) != Size(1440, 2560) ||
		    Size(1920, 1080).expandedToAspectRatio(Size(4, 3)) != Size(1920, 1440) ||
		    Size(1920, 1080).expandedToAspectRatio(Size(65536, 49152)) != Size(1920, 1440) ||
		    Size(1024, 1024).expandedToAspectRatio(Size(1, 1)) != Size(1024, 1024) ||
		    Size(1920, 1080).expandedToAspectRatio(Size(16, 9)) != Size(1920, 1080) ||
		    Size(200, 100).expandedToAspectRatio(Size(16, 9)) != Size(200, 112) ||
		    Size(300, 200).expandedToAspectRatio(Size(16, 9)) != Size(355, 200)) {
			cout << "Size::expandedToAspectRatio() test failed" << endl;
			return TestFail;
		}

		/* Size::centeredTo() tests */
		if (Size(0, 0).centeredTo(Point(50, 100)) != Rectangle(50, 100, 0, 0) ||
		    Size(0, 0).centeredTo(Point(-50, -100)) != Rectangle(-50, -100, 0, 0) ||
		    Size(100, 200).centeredTo(Point(50, 100)) != Rectangle(0, 0, 100, 200) ||
		    Size(100, 200).centeredTo(Point(-50, -100)) != Rectangle(-100, -200, 100, 200) ||
		    Size(101, 201).centeredTo(Point(-50, -100)) != Rectangle(-100, -200, 101, 201) ||
		    Size(101, 201).centeredTo(Point(-51, -101)) != Rectangle(-101, -201, 101, 201)) {
			cout << "Size::centeredTo() test failed" << endl;
			return TestFail;
		}

		/* Scale a size by a float */
		if (Size(1000, 2000) * 2.0 != Size(2000, 4000) ||
		    Size(300, 100) * 0.5 != Size(150, 50) ||
		    Size(1, 2) * 1.6 != Size(1, 3)) {
			cout << "Size::operator*() failed" << endl;
			return TestFail;
		}

		if (Size(1000, 2000) / 2.0 != Size(500, 1000) ||
		    Size(300, 100) / 0.5 != Size(600, 200) ||
		    Size(1000, 2000) / 3.0 != Size(333, 666)) {
			cout << "Size::operator*() failed" << endl;
			return TestFail;
		}

		s = Size(300, 100);
		s *= 0.3333;
		if (s != Size(99, 33)) {
			cout << "Size::operator*() test failed" << endl;
			return TestFail;
		}

		s = Size(300, 100);
		s /= 3;
		if (s != Size(100, 33)) {
			cout << "Size::operator*() test failed" << endl;
			return TestFail;
		}

		/* Test Size equality and inequality. */
		if (!compare(Size(100, 100), Size(100, 100), &operator==, "==", true))
			return TestFail;
		if (!compare(Size(100, 100), Size(100, 100), &operator!=, "!=", false))
			return TestFail;

		if (!compare(Size(100, 100), Size(200, 100), &operator==, "==", false))
			return TestFail;
		if (!compare(Size(100, 100), Size(200, 100), &operator!=, "!=", true))
			return TestFail;

		if (!compare(Size(100, 100), Size(100, 200), &operator==, "==", false))
			return TestFail;
		if (!compare(Size(100, 100), Size(100, 200), &operator!=, "!=", true))
			return TestFail;

		/* Test Size ordering based on combined with and height. */
		if (!compare(Size(100, 100), Size(200, 200), &operator<, "<", true))
			return TestFail;
		if (!compare(Size(100, 100), Size(200, 200), &operator<=, "<=", true))
			return TestFail;
		if (!compare(Size(100, 100), Size(200, 200), &operator>, ">", false))
			return TestFail;
		if (!compare(Size(100, 100), Size(200, 200), &operator>=, ">=", false))
			return TestFail;

		if (!compare(Size(200, 200), Size(100, 100), &operator<, "<", false))
			return TestFail;
		if (!compare(Size(200, 200), Size(100, 100), &operator<=, "<=", false))
			return TestFail;
		if (!compare(Size(200, 200), Size(100, 100), &operator>, ">", true))
			return TestFail;
		if (!compare(Size(200, 200), Size(100, 100), &operator>=, ">=", true))
			return TestFail;

		/* Test Size ordering based on area (with overlapping sizes). */
		if (!compare(Size(200, 100), Size(100, 400), &operator<, "<", true))
			return TestFail;
		if (!compare(Size(200, 100), Size(100, 400), &operator<=, "<=", true))
			return TestFail;
		if (!compare(Size(200, 100), Size(100, 400), &operator>, ">", false))
			return TestFail;
		if (!compare(Size(200, 100), Size(100, 400), &operator>=, ">=", false))
			return TestFail;

		if (!compare(Size(100, 400), Size(200, 100), &operator<, "<", false))
			return TestFail;
		if (!compare(Size(100, 400), Size(200, 100), &operator<=, "<=", false))
			return TestFail;
		if (!compare(Size(100, 400), Size(200, 100), &operator>, ">", true))
			return TestFail;
		if (!compare(Size(100, 400), Size(200, 100), &operator>=, ">=", true))
			return TestFail;

		/* Test Size ordering based on width (with identical areas). */
		if (!compare(Size(100, 200), Size(200, 100), &operator<, "<", true))
			return TestFail;
		if (!compare(Size(100, 200), Size(200, 100), &operator<=, "<=", true))
			return TestFail;
		if (!compare(Size(100, 200), Size(200, 100), &operator>, ">", false))
			return TestFail;
		if (!compare(Size(100, 200), Size(200, 100), &operator>=, ">=", false))
			return TestFail;

		if (!compare(Size(200, 100), Size(100, 200), &operator<, "<", false))
			return TestFail;
		if (!compare(Size(200, 100), Size(100, 200), &operator<=, "<=", false))
			return TestFail;
		if (!compare(Size(200, 100), Size(100, 200), &operator>, ">", true))
			return TestFail;
		if (!compare(Size(200, 100), Size(100, 200), &operator>=, ">=", true))
			return TestFail;

		/*
		 * Rectangle tests
		 */

		/* Test Rectangle::isNull(). */
		if (!Rectangle(0, 0, 0, 0).isNull() ||
		    !Rectangle(1, 1, 0, 0).isNull()) {
			cout << "Null rectangle incorrectly reported as not null" << endl;
			return TestFail;
		}

		if (Rectangle(0, 0, 0, 1).isNull() ||
		    Rectangle(0, 0, 1, 0).isNull() ||
		    Rectangle(0, 0, 1, 1).isNull()) {
			cout << "Non-null rectangle incorrectly reported as null" << endl;
			return TestFail;
		}

		/* Rectangle::size(), Rectangle::topLeft() and Rectangle::center() tests */
		if (Rectangle(-1, -2, 3, 4).size() != Size(3, 4) ||
		    Rectangle(0, 0, 100000, 200000).size() != Size(100000, 200000)) {
			cout << "Rectangle::size() test failed" << endl;
			return TestFail;
		}

		if (Rectangle(1, 2, 3, 4).topLeft() != Point(1, 2) ||
		    Rectangle(-1, -2, 3, 4).topLeft() != Point(-1, -2)) {
			cout << "Rectangle::topLeft() test failed" << endl;
			return TestFail;
		}

		if (Rectangle(0, 0, 300, 400).center() != Point(150, 200) ||
		    Rectangle(-1000, -2000, 300, 400).center() != Point(-850, -1800) ||