Example #1
0
EngineOption* UciEngine::parseOption(const QStringRef& line)
{
	enum Keyword
	{
		OptionName,
		OptionType,
		OptionDefault,
		OptionMin,
		OptionMax,
		OptionVar
	};
	static const QString types[] =
	{
		"name",
		"type",
		"default",
		"min",
		"max",
		"var"
	};

	QString name;
	QString type;
	QString value;
	QStringList choices;
	int min = 0;
	int max = 0;
	
	int keyword = -1;
	QStringRef token(nextToken(line));
	QVarLengthArray<QStringRef> tokens;

	while (!token.isNull())
	{
		token = parseUciTokens(token, types, 6, tokens, keyword);
		if (tokens.isEmpty() || keyword == -1)
			continue;

		QString str(joinTokens(tokens).toString());

		switch (keyword)
		{
		case OptionName:
			name = str;
			break;
		case OptionType:
			type = str;
			break;
		case OptionDefault:
			value = str;
			break;
		case OptionMin:
			min = str.toInt();
			break;
		case OptionMax:
			max = str.toInt();
			break;
		case OptionVar:
			choices << str;
			break;
		}
	}
	if (name.isEmpty())
		return 0;

	if (type == "button")
		return new EngineButtonOption(name);
	else if (type == "check")
	{
		if (value == "true")
			return new EngineCheckOption(name, true, true);
		else
			return new EngineCheckOption(name, false, false);
	}
	else if (type == "combo")
		return new EngineComboOption(name, value, value, choices);
	else if (type == "spin")
		return new EngineSpinOption(name, value.toInt(), value.toInt(), min, max);
	else if (type == "string")
		return new EngineTextOption(name, value, value);

	return 0;
}
void DirectShowPlayerService::doRender(QMutexLocker *locker)
{
    m_pendingTasks |= m_executedTasks & (Play | Pause);

    if (IMediaControl *control = com_cast<IMediaControl>(m_graph, IID_IMediaControl)) {
        control->Stop();
        control->Release();
    }

    if (m_pendingTasks & SetAudioOutput) {
        m_graph->AddFilter(m_audioOutput, L"AudioOutput");

        m_pendingTasks ^= SetAudioOutput;
        m_executedTasks |= SetAudioOutput;
    }
    if (m_pendingTasks & SetVideoOutput) {
        m_graph->AddFilter(m_videoOutput, L"VideoOutput");

        m_pendingTasks ^= SetVideoOutput;
        m_executedTasks |= SetVideoOutput;
    }

    IFilterGraph2 *graph = m_graph;
    graph->AddRef();

    QVarLengthArray<IBaseFilter *, 16> filters;
    m_source->AddRef();
    filters.append(m_source);

    bool rendered = false;

    HRESULT renderHr = S_OK;

    while (!filters.isEmpty()) {
        IEnumPins *pins = 0;
        IBaseFilter *filter = filters[filters.size() - 1];
        filters.removeLast();

        if (!(m_pendingTasks & ReleaseFilters) && SUCCEEDED(filter->EnumPins(&pins))) {
            int outputs = 0;
            for (IPin *pin = 0; pins->Next(1, &pin, 0) == S_OK; pin->Release()) {
                PIN_DIRECTION direction;
                if (pin->QueryDirection(&direction) == S_OK && direction == PINDIR_OUTPUT) {
                    ++outputs;

                    IPin *peer = 0;
                    if (pin->ConnectedTo(&peer) == S_OK) {
                        PIN_INFO peerInfo;
                        if (SUCCEEDED(peer->QueryPinInfo(&peerInfo)))
                            filters.append(peerInfo.pFilter);
                        peer->Release();
                    } else {
                        locker->unlock();
                        HRESULT hr;
                        if (SUCCEEDED(hr = graph->RenderEx(
                                pin, /*AM_RENDEREX_RENDERTOEXISTINGRENDERERS*/ 1, 0))) {
                            rendered = true;
                        } else if (renderHr == S_OK || renderHr == VFW_E_NO_DECOMPRESSOR){
                            renderHr = hr;
                        }
                        locker->relock();
                    }
                }
            }

            pins->Release();

            if (outputs == 0)
                rendered = true;
        }
        filter->Release();
    }

    if (m_audioOutput && !isConnected(m_audioOutput, PINDIR_INPUT)) {
        graph->RemoveFilter(m_audioOutput);

        m_executedTasks &= ~SetAudioOutput;
    }

    if (m_videoOutput && !isConnected(m_videoOutput, PINDIR_INPUT)) {
        graph->RemoveFilter(m_videoOutput);

        m_executedTasks &= ~SetVideoOutput;
    }

    graph->Release();

    if (!(m_pendingTasks & ReleaseFilters)) {
        if (rendered) {
            if (!(m_executedTasks & FinalizeLoad))
                m_pendingTasks |= FinalizeLoad;
        } else {
            m_pendingTasks = 0;

            m_graphStatus = InvalidMedia;

            if (!m_audioOutput && !m_videoOutput) {
                m_error = QMediaPlayer::ResourceError;
                m_errorString = QString();
            } else {
                switch (renderHr) {
                case VFW_E_UNSUPPORTED_AUDIO:
                case VFW_E_UNSUPPORTED_VIDEO:
                case VFW_E_UNSUPPORTED_STREAM:
                    m_error = QMediaPlayer::FormatError;
                    m_errorString = QString();
                    break;
                default:
                    m_error = QMediaPlayer::ResourceError;
                    m_errorString = QString();
                    qWarning("DirectShowPlayerService::doRender: Unresolved error code %x",
                             uint(renderHr));
                }
            }

            QCoreApplication::postEvent(this, new QEvent(QEvent::Type(Error)));
        }

        m_executedTasks |= Render;
    }

    m_loop->wake();
}
Example #3
0
void UciEngine::parseInfo(const QVarLengthArray<QStringRef>& tokens,
			  int type)
{
	enum Keyword
	{
		InfoDepth,
		InfoSelDepth,
		InfoTime,
		InfoNodes,
		InfoPv,
		InfoMultiPv,
		InfoScore,
		InfoCurrMove,
		InfoCurrMoveNumber,
		InfoHashFull,
		InfoNps,
		InfoTbHits,
		InfoCpuLoad,
		InfoString,
		InfoRefutation,
		InfoCurrLine
	};

	if (tokens.isEmpty())
		return;
	
	switch (type)
	{
	case InfoDepth:
		m_eval.setDepth(tokens[0].toString().toInt());
		break;
	case InfoTime:
		m_eval.setTime(tokens[0].toString().toInt());
		break;
	case InfoNodes:
		m_eval.setNodeCount(tokens[0].toString().toInt());
		break;
	case InfoPv:
		m_eval.setPv(joinTokens(tokens).toString());
		break;
	case InfoScore:
		{
			int score = 0;
			for (int i = 1; i < tokens.size(); i++)
			{
				if (tokens[i - 1] == "cp")
				{
					score = tokens[i].toString().toInt();
					if (whiteEvalPov()
					&&  side() == Chess::Side::Black)
						score = -score;
				}
				else if (tokens[i - 1] == "mate")
				{
					score = tokens[i].toString().toInt();
					if (score > 0)
						score = 30001 - score * 2;
					else if (score < 0)
						score = -30000 - score * 2;
				}
				else if (tokens[i - 1] == "lowerbound"
				     ||  tokens[i - 1] == "upperbound")
					return;
				i++;
			}
			m_eval.setScore(score);
		}
		break;
	default:
		break;
	}
}
Example #4
0
void QQuickTextNodeEngine::processCurrentLine()
{
    // No glyphs, do nothing
    if (m_currentLineTree.isEmpty())
        return;

    // 1. Go through current line and get correct decoration position for each node based on
    // neighbouring decorations. Add decoration to global list
    // 2. Create clip nodes for all selected text. Try to merge as many as possible within
    // the line.
    // 3. Add QRects to a list of selection rects.
    // 4. Add all nodes to a global processed list
    QVarLengthArray<int> sortedIndexes; // Indexes in tree sorted by x position
    BinaryTreeNode::inOrder(m_currentLineTree, &sortedIndexes);

    Q_ASSERT(sortedIndexes.size() == m_currentLineTree.size());

    SelectionState currentSelectionState = Unselected;
    QRectF currentRect;

    QQuickTextNode::Decorations currentDecorations = QQuickTextNode::NoDecoration;
    qreal underlineOffset = 0.0;
    qreal underlineThickness = 0.0;

    qreal overlineOffset = 0.0;
    qreal overlineThickness = 0.0;

    qreal strikeOutOffset = 0.0;
    qreal strikeOutThickness = 0.0;

    QRectF decorationRect = currentRect;

    QColor lastColor;
    QColor lastBackgroundColor;

    QVarLengthArray<TextDecoration> pendingUnderlines;
    QVarLengthArray<TextDecoration> pendingOverlines;
    QVarLengthArray<TextDecoration> pendingStrikeOuts;
    if (!sortedIndexes.isEmpty()) {
        QQuickDefaultClipNode *currentClipNode = m_hasSelection ? new QQuickDefaultClipNode(QRectF()) : 0;
        bool currentClipNodeUsed = false;
        for (int i=0; i<=sortedIndexes.size(); ++i) {
            BinaryTreeNode *node = 0;
            if (i < sortedIndexes.size()) {
                int sortedIndex = sortedIndexes.at(i);
                Q_ASSERT(sortedIndex < m_currentLineTree.size());

                node = m_currentLineTree.data() + sortedIndex;
            }

            if (i == 0)
                currentSelectionState = node->selectionState;

            // Update decorations
            if (currentDecorations != QQuickTextNode::NoDecoration) {
                decorationRect.setY(m_position.y() + m_currentLine.y());
                decorationRect.setHeight(m_currentLine.height());

                if (node != 0)
                    decorationRect.setRight(node->boundingRect.left());

                TextDecoration textDecoration(currentSelectionState, decorationRect, lastColor);
                if (currentDecorations & QQuickTextNode::Underline)
                    pendingUnderlines.append(textDecoration);

                if (currentDecorations & QQuickTextNode::Overline)
                    pendingOverlines.append(textDecoration);

                if (currentDecorations & QQuickTextNode::StrikeOut)
                    pendingStrikeOuts.append(textDecoration);

                if (currentDecorations & QQuickTextNode::Background)
                    m_backgrounds.append(qMakePair(decorationRect, lastBackgroundColor));
            }

            // If we've reached an unselected node from a selected node, we add the
            // selection rect to the graph, and we add decoration every time the
            // selection state changes, because that means the text color changes
            if (node == 0 || node->selectionState != currentSelectionState) {
                if (node != 0)
                    currentRect.setRight(node->boundingRect.left());
                currentRect.setY(m_position.y() + m_currentLine.y());
                currentRect.setHeight(m_currentLine.height());

                // Draw selection all the way up to the left edge of the unselected item
                if (currentSelectionState == Selected)
                    m_selectionRects.append(currentRect);

                if (currentClipNode != 0) {
                    if (!currentClipNodeUsed) {
                        delete currentClipNode;
                    } else {
                        currentClipNode->setIsRectangular(true);
                        currentClipNode->setRect(currentRect);
                        currentClipNode->update();
                    }
                }

                if (node != 0 && m_hasSelection)
                    currentClipNode = new QQuickDefaultClipNode(QRectF());
                else
                    currentClipNode = 0;
                currentClipNodeUsed = false;

                if (node != 0) {
                    currentSelectionState = node->selectionState;
                    currentRect = node->boundingRect;

                    // Make sure currentRect is valid, otherwise the unite won't work
                    if (currentRect.isNull())
                        currentRect.setSize(QSizeF(1, 1));
                }
            } else {
                if (currentRect.isNull())
                    currentRect = node->boundingRect;
                else
                    currentRect = currentRect.united(node->boundingRect);
            }

            if (node != 0) {
                node->clipNode = currentClipNode;
                currentClipNodeUsed = true;

                decorationRect = node->boundingRect;

                // If previous item(s) had underline and current does not, then we add the
                // pending lines to the lists and likewise for overlines and strikeouts
                if (!pendingUnderlines.isEmpty()
                        && !(node->decorations & QQuickTextNode::Underline)) {
                    addTextDecorations(pendingUnderlines, underlineOffset, underlineThickness);

                    pendingUnderlines.clear();

                    underlineOffset = 0.0;
                    underlineThickness = 0.0;
                }

                // ### Add pending when overlineOffset/thickness changes to minimize number of
                // nodes
                if (!pendingOverlines.isEmpty()) {
                    addTextDecorations(pendingOverlines, overlineOffset, overlineThickness);

                    pendingOverlines.clear();

                    overlineOffset = 0.0;
                    overlineThickness = 0.0;
                }

                // ### Add pending when overlineOffset/thickness changes to minimize number of
                // nodes
                if (!pendingStrikeOuts.isEmpty()) {
                    addTextDecorations(pendingStrikeOuts, strikeOutOffset, strikeOutThickness);

                    pendingStrikeOuts.clear();

                    strikeOutOffset = 0.0;
                    strikeOutThickness = 0.0;
                }

                // Merge current values with previous. Prefer greatest thickness
                QRawFont rawFont = node->glyphRun.rawFont();
                if (node->decorations & QQuickTextNode::Underline) {
                    if (rawFont.lineThickness() > underlineThickness) {
                        underlineThickness = rawFont.lineThickness();
                        underlineOffset = rawFont.underlinePosition();
                    }
                }

                if (node->decorations & QQuickTextNode::Overline) {
                    overlineOffset = -rawFont.ascent();
                    overlineThickness = rawFont.lineThickness();
                }

                if (node->decorations & QQuickTextNode::StrikeOut) {
                    strikeOutThickness = rawFont.lineThickness();
                    strikeOutOffset = rawFont.ascent() / -3.0;
                }

                currentDecorations = node->decorations;
                lastColor = node->color;
                lastBackgroundColor = node->backgroundColor;
                m_processedNodes.append(*node);
            }
        }

        if (!pendingUnderlines.isEmpty())
            addTextDecorations(pendingUnderlines, underlineOffset, underlineThickness);

        if (!pendingOverlines.isEmpty())
            addTextDecorations(pendingOverlines, overlineOffset, overlineThickness);

        if (!pendingStrikeOuts.isEmpty())
            addTextDecorations(pendingStrikeOuts, strikeOutOffset, strikeOutThickness);
    }

    m_currentLineTree.clear();
    m_currentLine = QTextLine();
    m_hasSelection = false;
}