LocalImageLoaderPrivate::LocalImageLoaderPrivate(LocalImageLoader *loader, QThread *thread) : QObject(0)
    , loader(loader)
{
	moveToThread(thread);
	connect(loader, SIGNAL(needToPrepare()), this, SLOT(prepareImages()));
	connect(this, SIGNAL(imageReady()), loader, SLOT(onImageReady()));
	connect(this, SIGNAL(imageFailed(quint64)), loader, SLOT(onImageFailed(quint64)));
};
void DisparityProvider::computeAndDisplayDisparityMap(
        std::string& leftImage, std::string& rightImage) noexcept
{
    prepareImages(leftImage, rightImage);
    computeDisparityMap();

    updateMapWindow();
    showOptionsWindow();

    addSliders();
    handleKeyInterruptions();
}
void LocalImageLoaderPrivate::prepareImages() {
	QString file, filename, mime, stickerMime = qsl("image/webp");
    int32 filesize = 0;
	QImage img;
	QByteArray data;
	PeerId peer;
    uint64 id, thumbId = 0;
	int32 duration = 0;
	QString thumbExt = "jpg";
	ToPrepareMediaType type;
	bool animated = false;
	bool ctrlShiftEnter = false;
	MsgId replyTo = 0;
	{
		QMutexLocker lock(loader->toPrepareMutex());
		ToPrepareMedias &list(loader->toPrepareMedias());
		if (list.isEmpty()) return;

		file = list.front().file;
		img = list.front().img;
		data = list.front().data;
		peer = list.front().peer;
		id = list.front().id;
		type = list.front().type;
		duration = list.front().duration;
		ctrlShiftEnter = list.front().ctrlShiftEnter;
		replyTo = list.front().replyTo;
	}

	if (img.isNull()) {
		if (!file.isEmpty()) {
			QFileInfo info(file);
			if (type == ToPrepareAuto) {
				QString lower(file.toLower());
				const QStringList &photoExtensions(cPhotoExtensions());
				for (QStringList::const_iterator i = photoExtensions.cbegin(), e = photoExtensions.cend(); i != e; ++i) {
					if (lower.lastIndexOf(*i) == lower.size() - i->size()) {
						if (info.size() < MaxUploadPhotoSize) {
							type = ToPreparePhoto;
							break;
						}
					}
				}
				if (type == ToPrepareAuto && info.size() < MaxUploadDocumentSize) {
					type = ToPrepareDocument;
				}
			}
			if (type == ToPrepareDocument) {
				mime = mimeTypeForFile(info).name();
			}
			if (type != ToPrepareAuto && info.size() < MaxUploadPhotoSize) {
				bool opaque = (mime != stickerMime);
				img = App::readImage(file, 0, opaque, &animated);
			}
			filename = info.fileName();
			filesize = info.size();
		} else if (!data.isEmpty()) {
			if (type != ToPrepareAudio) {
				img = App::readImage(data, 0, true, &animated);
				if (type == ToPrepareAuto) {
					if (!img.isNull() && data.size() < MaxUploadPhotoSize) {
						type = ToPreparePhoto;
					} else if (data.size() < MaxUploadDocumentSize) {
						type = ToPrepareDocument;
					} else {
						img = QImage();
					}
				}
			}
			MimeType mimeType = mimeTypeForData(data);
			if (type == ToPrepareDocument || type == ToPrepareAudio) {
				mime = mimeType.name();
			}
			if (mime == "image/jpeg") {
				filename = filedialogDefaultName(qsl("image"), qsl(".jpg"), QString(), true);
			} else if (type == ToPrepareAudio) {
				filename = filedialogDefaultName(qsl("audio"), qsl(".ogg"), QString(), true);
				mime = "audio/ogg";
			} else {
				QString ext;
				QStringList patterns = mimeType.globPatterns();
				if (!patterns.isEmpty()) {
					ext = patterns.front().replace('*', QString());
				}
				filename = filedialogDefaultName((type == ToPrepareAudio) ? qsl("audio") : qsl("doc"), ext, QString(), true);
			}
			filesize = data.size();
		}
	} else {
		if (type == ToPrepareDocument) {
			filename = filedialogDefaultName(qsl("image"), qsl(".png"), QString(), true);
			mime = mimeTypeForName("image/png").name();
			data = QByteArray();
			{
				QBuffer b(&data);
				img.save(&b, "PNG");
			}
			filesize = data.size();
		} else {
			if (img.hasAlphaChannel()) {
				QImage solid(img.width(), img.height(), QImage::Format_ARGB32_Premultiplied);
				solid.fill(st::white->c);
				{
					QPainter(&solid).drawImage(0, 0, img);
				}
				img = solid;
			}
			type = ToPreparePhoto;
			filename = qsl("Untitled.jpg");
			filesize = 0;
		}
	}

	if ((img.isNull() && ((type != ToPrepareDocument && type != ToPrepareAudio) || !filesize)) || type == ToPrepareAuto || (img.isNull() && file.isEmpty() && data.isEmpty())) { // if could not decide what type
		{
			QMutexLocker lock(loader->toPrepareMutex());
			ToPrepareMedias &list(loader->toPrepareMedias());
			list.pop_front();
		}

		QTimer::singleShot(1, this, SLOT(prepareImages()));

		emit imageFailed(id);
	} else {
		PreparedPhotoThumbs photoThumbs;
		QVector<MTPPhotoSize> photoSizes;

		QVector<MTPDocumentAttribute> attributes(1, MTP_documentAttributeFilename(MTP_string(filename)));

		MTPPhotoSize thumb(MTP_photoSizeEmpty(MTP_string("")));
		MTPPhoto photo(MTP_photoEmpty(MTP_long(0)));
		MTPDocument document(MTP_documentEmpty(MTP_long(0)));
		MTPAudio audio(MTP_audioEmpty(MTP_long(0)));

		QByteArray jpeg;
		if (type == ToPreparePhoto) {
			int32 w = img.width(), h = img.height();

			QPixmap thumb = (w > 100 || h > 100) ? QPixmap::fromImage(img.scaled(100, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation), Qt::ColorOnly) : QPixmap::fromImage(img);
			photoThumbs.insert('s', thumb);
			photoSizes.push_back(MTP_photoSize(MTP_string("s"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(thumb.width()), MTP_int(thumb.height()), MTP_int(0)));

			QPixmap medium = (w > 320 || h > 320) ? QPixmap::fromImage(img.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation), Qt::ColorOnly) : QPixmap::fromImage(img);
			photoThumbs.insert('m', medium);
			photoSizes.push_back(MTP_photoSize(MTP_string("m"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(medium.width()), MTP_int(medium.height()), MTP_int(0)));

			QPixmap full = (w > 1280 || h > 1280) ? QPixmap::fromImage(img.scaled(1280, 1280, Qt::KeepAspectRatio, Qt::SmoothTransformation), Qt::ColorOnly) : QPixmap::fromImage(img);
			photoThumbs.insert('y', full);
			photoSizes.push_back(MTP_photoSize(MTP_string("y"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0)));

			{
				QBuffer jpegBuffer(&jpeg);
				full.save(&jpegBuffer, "JPG", 77);
			}
			if (!filesize) filesize = jpeg.size();
		
			photo = MTP_photo(MTP_long(id), MTP_long(0), MTP_int(user), MTP_int(unixtime()), MTP_geoPointEmpty(), MTP_vector<MTPPhotoSize>(photoSizes));

			thumbId = id;
		} else if ((type == ToPrepareVideo || type == ToPrepareDocument) && !img.isNull()) {
			int32 w = img.width(), h = img.height();
			QByteArray thumbFormat = "JPG";
			int32 thumbQuality = 87;
			if (animated) {
				attributes.push_back(MTP_documentAttributeAnimated());
			} else if (mime == stickerMime && w > 0 && h > 0 && w <= StickerMaxSize && h <= StickerMaxSize && filesize < StickerInMemory) {
				attributes.push_back(MTP_documentAttributeSticker(MTP_string(""), MTP_inputStickerSetEmpty()));
				thumbFormat = "webp";
				thumbExt = qsl("webp");
			}
			attributes.push_back(MTP_documentAttributeImageSize(MTP_int(w), MTP_int(h)));
			if (w < 20 * h && h < 20 * w) {
				QPixmap full = (w > 90 || h > 90) ? QPixmap::fromImage(img.scaled(90, 90, Qt::KeepAspectRatio, Qt::SmoothTransformation), Qt::ColorOnly) : QPixmap::fromImage(img, Qt::ColorOnly);

				{
					QBuffer jpegBuffer(&jpeg);
					full.save(&jpegBuffer, thumbFormat, thumbQuality);
				}

				photoThumbs.insert('0', full);
				thumb = MTP_photoSize(MTP_string(""), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0));

				thumbId = MTP::nonce<uint64>();
			}
		}

		if (type == ToPrepareDocument) {
			document = MTP_document(MTP_long(id), MTP_long(0), MTP_int(unixtime()), MTP_string(mime), MTP_int(filesize), thumb, MTP_int(MTP::maindc()), MTP_vector<MTPDocumentAttribute>(attributes));
		} else if (type == ToPrepareAudio) {
			audio = MTP_audio(MTP_long(id), MTP_long(0), MTP_int(user), MTP_int(unixtime()), MTP_int(duration), MTP_string(mime), MTP_int(filesize), MTP_int(MTP::maindc()));
		}

		{
			QMutexLocker lock(loader->readyMutex());
			loader->readyList().push_back(ReadyLocalMedia(type, file, filename, filesize, data, id, thumbId, thumbExt, peer, photo, audio, photoThumbs, document, jpeg, ctrlShiftEnter, replyTo));
		}

		{
			QMutexLocker lock(loader->toPrepareMutex());
			ToPrepareMedias &list(loader->toPrepareMedias());
			list.pop_front();
		}

		QTimer::singleShot(1, this, SLOT(prepareImages()));

		emit imageReady();
	}
}
Beispiel #4
0
void LocalImageLoaderPrivate::prepareImages() {
	QString file, filename, mime;
    int32 filesize = 0;
	QImage img;
	QByteArray data;
	PeerId peer;
    uint64 id, jpeg_id = 0;
	ToPrepareMediaType type;
	{
		QMutexLocker lock(loader->toPrepareMutex());
		ToPrepareMedias &list(loader->toPrepareMedias());
		if (list.isEmpty()) return;

		file = list.front().file;
		img = list.front().img;
		data = list.front().data;
		peer = list.front().peer;
		id = list.front().id;
		type = list.front().type;
	}

	if (img.isNull()) {
		if (!file.isEmpty()) {
			QFileInfo info(file);
			if (type == ToPrepareAuto) {
				QString lower(file.toLower());
				const QStringList &photoExtensions(cPhotoExtensions());
				for (QStringList::const_iterator i = photoExtensions.cbegin(), e = photoExtensions.cend(); i != e; ++i) {
					if (lower.lastIndexOf(*i) == lower.size() - i->size()) {
						if (info.size() < MaxUploadPhotoSize) {
							type = ToPreparePhoto;
							break;
						}
					}
				}
				if (type == ToPrepareAuto && info.size() < MaxUploadDocumentSize) {
					type = ToPrepareDocument;
				}
			}
			if (type != ToPrepareAuto && info.size() < MaxUploadPhotoSize) {
				img = App::readImage(file);
			}
			if (type == ToPrepareDocument) {
				mime = QMimeDatabase().mimeTypeForFile(info).name();
			}
			filename = info.fileName();
			filesize = info.size();
		} else if (!data.isEmpty()) {
			img = App::readImage(data);
			if (type == ToPrepareAuto) {
				if (!img.isNull() && data.size() < MaxUploadPhotoSize) {
					type = ToPreparePhoto;
				} else if (data.size() < MaxUploadDocumentSize) {
					type = ToPrepareDocument;
				} else {
					img = QImage();
				}
			}
			QMimeType mimeType = QMimeDatabase().mimeTypeForData(data);
			if (type == ToPrepareDocument) {
				mime = mimeType.name();
			}
			filename = qsl("Document");
			QStringList patterns = mimeType.globPatterns();
			if (!patterns.isEmpty()) {
				filename = patterns.front().replace('*', filename);
			}
			filesize = data.size();
		}
	} else {
		if (type == ToPrepareDocument) {
			filename = filedialogDefaultName(qsl("image"), qsl(".png"), QString(), true);
			QMimeType mimeType = QMimeDatabase().mimeTypeForName("image/png");
			data = QByteArray();
			{
				QBuffer b(&data);
				img.save(&b, "PNG");
			}
			filesize = data.size();
		} else {
			type = ToPreparePhoto; // only photo from QImage
			filename = qsl("Untitled.jpg");
			filesize = 0;
		}
	}

	if ((img.isNull() && (type != ToPrepareDocument || !filesize)) || type == ToPrepareAuto || (img.isNull() && file.isEmpty() && data.isEmpty())) { // if could not decide what type
		{
			QMutexLocker lock(loader->toPrepareMutex());
			ToPrepareMedias &list(loader->toPrepareMedias());
			list.pop_front();
		}

		QTimer::singleShot(1, this, SLOT(prepareImages()));

		emit imageFailed(id);
	} else {
		PreparedPhotoThumbs photoThumbs;
		QVector<MTPPhotoSize> photoSizes;

		MTPPhotoSize thumb(MTP_photoSizeEmpty(MTP_string("")));
		MTPPhoto photo(MTP_photoEmpty(MTP_long(0)));
		MTPDocument document(MTP_documentEmpty(MTP_long(0)));

		QByteArray jpeg;
		if (type == ToPreparePhoto) {
			int32 w = img.width(), h = img.height();

			QPixmap thumb = (w > 100 || h > 100) ? QPixmap::fromImage(img.scaled(100, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation)) : QPixmap::fromImage(img);
			photoThumbs.insert('s', thumb);
			photoSizes.push_back(MTP_photoSize(MTP_string("s"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(thumb.width()), MTP_int(thumb.height()), MTP_int(0)));

			QPixmap medium = (w > 320 || h > 320) ? QPixmap::fromImage(img.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation)) : QPixmap::fromImage(img);
			photoThumbs.insert('m', medium);
			photoSizes.push_back(MTP_photoSize(MTP_string("m"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(medium.width()), MTP_int(medium.height()), MTP_int(0)));

			QPixmap full = (w > 800 || h > 800) ? QPixmap::fromImage(img.scaled(800, 800, Qt::KeepAspectRatio, Qt::SmoothTransformation)) : QPixmap::fromImage(img);
			photoThumbs.insert('x', full);
			photoSizes.push_back(MTP_photoSize(MTP_string("x"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0)));

			{
				QBuffer jpegBuffer(&jpeg);
				full.save(&jpegBuffer, "JPG", 87);
			}
			if (!filesize) filesize = jpeg.size();
		
			photo = MTP_photo(MTP_long(id), MTP_long(0), MTP_int(user), MTP_int(unixtime()), MTP_string(""), MTP_geoPointEmpty(), MTP_vector<MTPPhotoSize>(photoSizes));

			jpeg_id = id;
		} else if ((type == ToPrepareVideo || type == ToPrepareDocument) && !img.isNull()) {
			int32 w = img.width(), h = img.height();

			QPixmap full = (w > 90 || h > 90) ? QPixmap::fromImage(img.scaled(90, 90, Qt::KeepAspectRatio, Qt::SmoothTransformation)) : QPixmap::fromImage(img);

			{
				QBuffer jpegBuffer(&jpeg);
				full.save(&jpegBuffer, "JPG", 87);
			}

			photoThumbs.insert('0', full);
			thumb = MTP_photoSize(MTP_string(""), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0));

			jpeg_id = MTP::nonce<uint64>();
		}

		if (type == ToPrepareDocument) {
			document = MTP_document(MTP_long(id), MTP_long(0), MTP_int(MTP::authedId()), MTP_int(unixtime()), MTP_string(filename), MTP_string(mime), MTP_int(filesize), thumb, MTP_int(MTP::maindc()));
		}

		{
			QMutexLocker lock(loader->readyMutex());
			loader->readyList().push_back(ReadyLocalMedia(type, file, filename, filesize, data, id, jpeg_id, peer, photo, photoThumbs, document, jpeg));
		}

		{
			QMutexLocker lock(loader->toPrepareMutex());
			ToPrepareMedias &list(loader->toPrepareMedias());
			list.pop_front();
		}

		QTimer::singleShot(1, this, SLOT(prepareImages()));

		emit imageReady();
	}
}