C++ (Cpp) ConvertScale Examples

Example #1

File: history_media_video.cpp Project: Emadpres/tdesktop

QSize HistoryVideo::countCurrentSize(int newWidth) {
	int tw = ConvertScale(_data->thumb->width()), th = ConvertScale(_data->thumb->height());
	if (!tw || !th) {
		tw = th = 1;
	}
	if (tw * st::msgVideoSize.height() > th * st::msgVideoSize.width()) {
		th = qRound((st::msgVideoSize.width() / float64(tw)) * th);
		tw = st::msgVideoSize.width();
	} else {
		tw = qRound((st::msgVideoSize.height() / float64(th)) * tw);
		th = st::msgVideoSize.height();
	}

	if (newWidth < tw) {
		th = qRound((newWidth / float64(tw)) * th);
		tw = newWidth;
	}

	_thumbw = qMax(tw, 1);
	_thumbh = qMax(th, 1);
	auto minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	minWidth = qMax(minWidth, documentMaxStatusWidth(_data) + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	newWidth = qMax(_thumbw, minWidth);
	auto newHeight = qMax(th, st::minPhotoSize);
	if (_parent->hasBubble() && !_caption.isEmpty()) {
		const auto captionw = newWidth
			- st::msgPadding.left()
			- st::msgPadding.right();
		newHeight += st::mediaCaptionSkip + _caption.countHeight(captionw);
		if (isBubbleBottom()) {
			newHeight += st::msgPadding.bottom();
		}
	}
	return { newWidth, newHeight };
}

Example #2

File: history_media_photo.cpp Project: telegramdesktop/tdesktop

void HistoryPhoto::validateGroupedCache(
		const QRect &geometry,
		RectParts corners,
		not_null<uint64*> cacheKey,
		not_null<QPixmap*> cache) const {
	using Option = Images::Option;
	const auto loaded = _data->loaded();
	const auto loadLevel = loaded
		? 2
		: (_data->thumbnailInline()
			|| _data->thumbnail()->loaded()
			|| _data->thumbnailSmall()->loaded())
		? 1
		: 0;
	const auto width = geometry.width();
	const auto height = geometry.height();
	const auto options = Option::Smooth
		| Option::RoundedLarge
		| (loaded ? Option::None : Option::Blurred)
		| ((corners & RectPart::TopLeft) ? Option::RoundedTopLeft : Option::None)
		| ((corners & RectPart::TopRight) ? Option::RoundedTopRight : Option::None)
		| ((corners & RectPart::BottomLeft) ? Option::RoundedBottomLeft : Option::None)
		| ((corners & RectPart::BottomRight) ? Option::RoundedBottomRight : Option::None);
	const auto key = (uint64(width) << 48)
		| (uint64(height) << 32)
		| (uint64(options) << 16)
		| (uint64(loadLevel));
	if (*cacheKey == key) {
		return;
	}

	const auto originalWidth = ConvertScale(_data->width());
	const auto originalHeight = ConvertScale(_data->height());
	const auto pixSize = Ui::GetImageScaleSizeForGeometry(
		{ originalWidth, originalHeight },
		{ width, height });
	const auto pixWidth = pixSize.width() * cIntRetinaFactor();
	const auto pixHeight = pixSize.height() * cIntRetinaFactor();
	const auto image = loaded
		? _data->large().get()
		: _data->thumbnail()->loaded()
		? _data->thumbnail().get()
		: _data->thumbnailSmall()->loaded()
		? _data->thumbnailSmall().get()
		: _data->thumbnailInline()
		? _data->thumbnailInline()
		: Image::BlankMedia().get();

	*cacheKey = key;
	*cache = image->pixNoCache(_realParent->fullId(), pixWidth, pixHeight, options, width, height);
}

Example #3

File: history_media_video.cpp Project: Emadpres/tdesktop

void HistoryVideo::validateGroupedCache(
		const QRect &geometry,
		RectParts corners,
		not_null<uint64*> cacheKey,
		not_null<QPixmap*> cache) const {
	using Option = Images::Option;
	const auto good = _data->goodThumbnail();
	const auto useGood = (good && good->loaded());
	const auto image = useGood ? good : _data->thumb.get();
	if (good && !useGood) {
		good->load({});
	}

	const auto loaded = useGood ? true : _data->thumb->loaded();
	const auto loadLevel = loaded ? 1 : 0;
	const auto width = geometry.width();
	const auto height = geometry.height();
	const auto options = Option::Smooth
		| Option::RoundedLarge
		| (useGood ? Option(0) : Option::Blurred)
		| ((corners & RectPart::TopLeft) ? Option::RoundedTopLeft : Option::None)
		| ((corners & RectPart::TopRight) ? Option::RoundedTopRight : Option::None)
		| ((corners & RectPart::BottomLeft) ? Option::RoundedBottomLeft : Option::None)
		| ((corners & RectPart::BottomRight) ? Option::RoundedBottomRight : Option::None);
	const auto key = (uint64(width) << 48)
		| (uint64(height) << 32)
		| (uint64(options) << 16)
		| (uint64(loadLevel));
	if (*cacheKey == key) {
		return;
	}

	const auto originalWidth = ConvertScale(_data->thumb->width());
	const auto originalHeight = ConvertScale(_data->thumb->height());
	const auto pixSize = Ui::GetImageScaleSizeForGeometry(
		{ originalWidth, originalHeight },
		{ width, height });
	const auto pixWidth = pixSize.width() * cIntRetinaFactor();
	const auto pixHeight = pixSize.height() * cIntRetinaFactor();

	*cacheKey = key;
	*cache = image->pixNoCache(_realParent->fullId(), pixWidth, pixHeight, options, width, height);
}

Example #4

File: history_media_photo.cpp Project: telegramdesktop/tdesktop

QSize HistoryPhoto::countOptimalSize() {
	if (_parent->media() != this) {
		_caption = Text();
	} else if (_caption.hasSkipBlock()) {
		_caption.updateSkipBlock(
			_parent->skipBlockWidth(),
			_parent->skipBlockHeight());
	}

	auto maxWidth = 0;
	auto minHeight = 0;

	auto tw = ConvertScale(_data->width());
	auto th = ConvertScale(_data->height());
	if (!tw || !th) {
		tw = th = 1;
	}
	if (tw > st::maxMediaSize) {
		th = (st::maxMediaSize * th) / tw;
		tw = st::maxMediaSize;
	}
	if (th > st::maxMediaSize) {
		tw = (st::maxMediaSize * tw) / th;
		th = st::maxMediaSize;
	}

	if (_serviceWidth > 0) {
		return { _serviceWidth, _serviceWidth };
	}
	const auto minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	const auto maxActualWidth = qMax(tw, minWidth);
	maxWidth = qMax(maxActualWidth, th);
	minHeight = qMax(th, st::minPhotoSize);
	if (_parent->hasBubble() && !_caption.isEmpty()) {
		auto captionw = maxActualWidth - st::msgPadding.left() - st::msgPadding.right();
		minHeight += st::mediaCaptionSkip + _caption.countHeight(captionw);
		if (isBubbleBottom()) {
			minHeight += st::msgPadding.bottom();
		}
	}
	return { maxWidth, minHeight };
}

Example #5

File: ConvertScale.c Project: MJayJang/ParkCom

// define - function
int main (int argc, char argv[]) {
	char typeOfScale;
	float degree;
	float convertedDegree;
	char convertedType;

	Input(&typeOfScale, &degree);
	ConvertScale(typeOfScale, degree, &convertedType, &convertedDegree);
	Output(typeOfScale, degree, convertedType, convertedDegree);

	return 0;
}

Example #6

File: history_media_video.cpp Project: Emadpres/tdesktop

QSize HistoryVideo::countOptimalSize() {
	if (_parent->media() != this) {
		_caption = Text();
	} else if (_caption.hasSkipBlock()) {
		_caption.updateSkipBlock(
			_parent->skipBlockWidth(),
			_parent->skipBlockHeight());
	}

	auto tw = ConvertScale(_data->thumb->width());
	auto th = ConvertScale(_data->thumb->height());
	if (!tw || !th) {
		tw = th = 1;
	}
	if (tw * st::msgVideoSize.height() > th * st::msgVideoSize.width()) {
		th = qRound((st::msgVideoSize.width() / float64(tw)) * th);
		tw = st::msgVideoSize.width();
	} else {
		tw = qRound((st::msgVideoSize.height() / float64(th)) * tw);
		th = st::msgVideoSize.height();
	}

	_thumbw = qMax(tw, 1);
	_thumbh = qMax(th, 1);

	auto minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	minWidth = qMax(minWidth, documentMaxStatusWidth(_data) + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	auto maxWidth = qMax(_thumbw, minWidth);
	auto minHeight = qMax(th, st::minPhotoSize);
	if (_parent->hasBubble() && !_caption.isEmpty()) {
		const auto captionw = maxWidth
			- st::msgPadding.left()
			- st::msgPadding.right();
		minHeight += st::mediaCaptionSkip + _caption.countHeight(captionw);
		if (isBubbleBottom()) {
			minHeight += st::msgPadding.bottom();
		}
	}
	return { maxWidth, minHeight };
}

Example #7

File: history_media_photo.cpp Project: telegramdesktop/tdesktop

QSize HistoryPhoto::countCurrentSize(int newWidth) {
	int tw = ConvertScale(_data->width()), th = ConvertScale(_data->height());
	if (tw > st::maxMediaSize) {
		th = (st::maxMediaSize * th) / tw;
		tw = st::maxMediaSize;
	}
	if (th > st::maxMediaSize) {
		tw = (st::maxMediaSize * tw) / th;
		th = st::maxMediaSize;
	}

	_pixw = qMin(newWidth, maxWidth());
	_pixh = th;
	if (tw > _pixw) {
		_pixh = (_pixw * _pixh / tw);
	} else {
		_pixw = tw;
	}
	if (_pixh > newWidth) {
		_pixw = (_pixw * newWidth) / _pixh;
		_pixh = newWidth;
	}
	if (_pixw < 1) _pixw = 1;
	if (_pixh < 1) _pixh = 1;

	auto minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	newWidth = qMax(_pixw, minWidth);
	auto newHeight = qMax(_pixh, st::minPhotoSize);
	if (_parent->hasBubble() && !_caption.isEmpty()) {
		const auto captionw = newWidth
			- st::msgPadding.left()
			- st::msgPadding.right();
		newHeight += st::mediaCaptionSkip + _caption.countHeight(captionw);
		if (isBubbleBottom()) {
			newHeight += st::msgPadding.bottom();
		}
	}
	return { newWidth, newHeight };
}