void PluginLayerWebKitThread::setPluginView(PluginView* pluginView)
{
m_pluginView = pluginView;
setNeedsTexture(isDrawable() && pluginView);
setLayerProgram(LayerProgramRGBA);
if (m_pluginView)
setNeedsDisplay();
else {
// We can't afford to wait until the next commit
// to set the m_pluginView to 0 in the impl, because it is
// about to be destroyed.
layerCompositingThread()->setPluginView(0);
setNeedsCommit();
}
}
void VideoLayerWebKitThread::setMediaPlayer(MediaPlayer* mediaPlayer)
{
m_mediaPlayer = mediaPlayer;
// This is a bit of a misnomer, since we don't need an actual GL texture.
// However, the LayerRenderer will only process layers that "need textures"
setNeedsTexture(isDrawable() && (contents() || drawsContent() || this->mediaPlayer()));
if (!m_mediaPlayer) {
// We can't afford to wait until the next commit to set the m_mediaPlayer
// to 0 in the impl, because it is about to be destroyed.
layerCompositingThread()->setMediaPlayer(0);
// Clear hole punch rect.
setHolePunchRect(IntRect());
}
setNeedsCommit();
}
QRegion TilePainter::computeFillRegion(const QPoint &fillOrigin) const {
//create that region that will hold the fill
QRegion fillRegion;
//silently quit if parameters are unsatisfactory
if (!isDrawable(fillOrigin.x(), fillOrigin.y()))
return fillRegion;
//cache cell that we will match other cells against
const Cell matchCell = cellAt(fillOrigin.x(), fillOrigin.y());
//grab map dimensions for later use.
const int mapWidth = mMapEditor->map()->width();
const int mapHeight = mMapEditor->map()->height();
const int mapSize = mapWidth * mapHeight;
//create a queue to hold cells that need filling
QList<QPoint> fillPositions;
fillPositions.append(fillOrigin);
qDebug() << "fix " << fillPositions.at(0).x();
qDebug() << "fiy " << fillPositions.at(0).y();
//create an array that will store which cells have been processed
//this is faster than checking if a given cell is in the region/list
QVector<quint8> processedCellsVec(mapSize);
quint8 *processedCells = processedCellsVec.data();
//loop through queued positions and fill them, while at the same time
//checking adjacent positions to see if they should be added
while (!fillPositions.isEmpty()) {
for (int i = 0; i < fillPositions.size(); ++i) {
qDebug() << "fx " << fillPositions.at(i).x();
qDebug() << "fy " << fillPositions.at(i).y();
}
const QPoint currentPoint = fillPositions.takeFirst();
//qDebug() << "cpx" << currentPoint.x();
//qDebug() << "cpy" << currentPoint.y();
const int startOfLine = currentPoint.y() * mapWidth;
//seek as far left as we can
int left = currentPoint.x();
while (cellAt(left - 1, currentPoint.y()) == matchCell &&
isDrawable(left - 1, currentPoint.y()))
--left;
//seek as far right as we can
int right = currentPoint.x();
while (cellAt(right + 1, currentPoint.y()) == matchCell &&
isDrawable(right + 1, currentPoint.y()))
++right;
qDebug() << left;
//add cells between left and right to the region
fillRegion += QRegion(left, currentPoint.y(), right - left + 1, 1);
//add cell strip to processed cells
memset(&processedCells[startOfLine + left],
1,
right - left);
//these variables cache whether the last cell was added to the queue
//or not as an optimization, since adjacent cells on the x axis
//do not need to be added to the queue.
bool lastAboveCell = false;
bool lastBelowCell = false;
//loop between left and right and check if cells above or
//below need to be added to the queue
for (int x = left; x <= right; ++x) {
const QPoint fillPoint(x, currentPoint.y());
//check cell above
if (fillPoint.y() > 0) {
QPoint aboveCell(fillPoint.x(), fillPoint.y() - 1);
if (!processedCells[aboveCell.y() * mapWidth + aboveCell.x()] &&
cellAt(aboveCell.x(), aboveCell.y()) == matchCell &&
isDrawable(aboveCell.x(), aboveCell.y()))
{
//do not add the above cell to the queue if its
//x-adjacent cell was added.
if (!lastAboveCell)
fillPositions.append(aboveCell);
lastAboveCell = true;
} else lastAboveCell = false;
processedCells[aboveCell.y() * mapWidth + aboveCell.x()] = 1;
}
//check cell below
if (fillPoint.y() + 1 < mapHeight) {
QPoint belowCell(fillPoint.x(), fillPoint.y() + 1);
if (!processedCells[belowCell.y()*mapWidth + belowCell.x()] &&
cellAt(belowCell.x(), belowCell.y()) == matchCell &&
isDrawable(belowCell.x(), belowCell.y()))
{
//do not add the below cell to the queue if its
//x-adjacent cell was added.
if (!lastBelowCell)
fillPositions.append(belowCell);
lastBelowCell = true;
} else lastBelowCell = false;
processedCells[belowCell.y() * mapWidth + belowCell.x()] = 1;
}
}
}
return fillRegion;
}
