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();
}
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;
}
}
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;
}
