void TiledDrawingAreaProxy::invalidate(const IntRect& contentsDirtyRect)
{
IntRect dirtyRect(mapFromContents(contentsDirtyRect));
TiledDrawingAreaTile::Coordinate topLeft = tileCoordinateForPoint(dirtyRect.topLeft());
TiledDrawingAreaTile::Coordinate bottomRight = tileCoordinateForPoint(dirtyRect.bottomRight());
IntRect coverRect = calculateCoverRect(m_previousVisibleRect);
Vector<TiledDrawingAreaTile::Coordinate> tilesToRemove;
for (unsigned yCoordinate = topLeft.y(); yCoordinate <= bottomRight.y(); ++yCoordinate) {
for (unsigned xCoordinate = topLeft.x(); xCoordinate <= bottomRight.x(); ++xCoordinate) {
RefPtr<TiledDrawingAreaTile> currentTile = tileAt(TiledDrawingAreaTile::Coordinate(xCoordinate, yCoordinate));
if (!currentTile)
continue;
if (!currentTile->rect().intersects(dirtyRect))
continue;
// If a tile outside out current cover rect gets invalidated, just drop it instead of updating.
if (!currentTile->rect().intersects(coverRect)) {
tilesToRemove.append(currentTile->coordinate());
continue;
}
currentTile->invalidate(dirtyRect);
}
}
unsigned removeCount = tilesToRemove.size();
for (unsigned n = 0; n < removeCount; ++n)
removeTile(tilesToRemove[n]);
startTileBufferUpdateTimer();
}
void TiledBackingStore::invalidate(const IntRect& contentsDirtyRect)
{
IntRect dirtyRect(mapFromContents(contentsDirtyRect));
IntRect keepRectFitToTileSize = tileRectForCoordinate(tileCoordinateForPoint(m_keepRect.location()));
keepRectFitToTileSize.unite(tileRectForCoordinate(tileCoordinateForPoint(innerBottomRight(m_keepRect))));
// Only iterate on the part of the rect that we know we might have tiles.
IntRect coveredDirtyRect = intersection(dirtyRect, keepRectFitToTileSize);
Tile::Coordinate topLeft = tileCoordinateForPoint(coveredDirtyRect.location());
Tile::Coordinate bottomRight = tileCoordinateForPoint(innerBottomRight(coveredDirtyRect));
for (int yCoordinate = topLeft.y(); yCoordinate <= bottomRight.y(); ++yCoordinate) {
for (int xCoordinate = topLeft.x(); xCoordinate <= bottomRight.x(); ++xCoordinate) {
RefPtr<Tile> currentTile = tileAt(Tile::Coordinate(xCoordinate, yCoordinate));
if (!currentTile)
continue;
// Pass the full rect to each tile as coveredDirtyRect might not
// contain them completely and we don't want partial tile redraws.
#if PLATFORM(JS)
fprintf(stderr, "WebKit: TiledBackingStore: invalidate: invalidating currentTile (x,y,w,h): %i %i %i %i\n",dirtyRect.x(),dirtyRect.y(),dirtyRect.width(),dirtyRect.height());
#endif
currentTile->invalidate(dirtyRect);
}
}
startTileBufferUpdateTimer();
}
void TiledBackingStore::invalidate(const IntRect& contentsDirtyRect)
{
IntRect dirtyRect(mapFromContents(contentsDirtyRect));
Tile::Coordinate topLeft = tileCoordinateForPoint(dirtyRect.location());
Tile::Coordinate bottomRight = tileCoordinateForPoint(innerBottomRight(dirtyRect));
for (unsigned yCoordinate = topLeft.y(); yCoordinate <= bottomRight.y(); ++yCoordinate) {
for (unsigned xCoordinate = topLeft.x(); xCoordinate <= bottomRight.x(); ++xCoordinate) {
RefPtr<Tile> currentTile = tileAt(Tile::Coordinate(xCoordinate, yCoordinate));
if (!currentTile)
continue;
currentTile->invalidate(dirtyRect);
}
}
startTileBufferUpdateTimer();
}
void TiledBackingStore::setContentsFrozen(bool freeze)
{
if (m_contentsFrozen == freeze)
return;
m_contentsFrozen = freeze;
// Restart the timers. There might be pending invalidations that
// were not painted or created because tiles are not created or
// painted when in frozen state.
if (m_contentsFrozen)
return;
if (m_pendingScale)
commitScaleChange();
else {
startTileCreationTimer();
startTileBufferUpdateTimer();
}
}
