protected unsafe override void OnFillRegionComputed(IBitVector2D stencil)
{
Document doc = PintaCore.Workspace.ActiveDocument;
ImageSurface surf = doc.ToolLayer.Surface;
using (var g = new Context(surf)) {
g.Operator = Operator.Source;
g.SetSource(doc.CurrentUserLayer.Surface);
g.Paint();
}
SimpleHistoryItem hist = new SimpleHistoryItem(Icon, Name);
hist.TakeSnapshotOfLayer(doc.CurrentUserLayer);
ColorBgra color = fill_color.ToColorBgra().ToPremultipliedAlpha();
ColorBgra *dstPtr = (ColorBgra *)surf.DataPtr;
int width = surf.Width;
surf.Flush();
// Color in any pixel that the stencil says we need to fill
Parallel.For(0, stencil.Height, y =>
{
int stencil_width = stencil.Width;
for (int x = 0; x < stencil_width; ++x)
{
if (stencil.GetUnchecked(x, y))
{
surf.SetColorBgraUnchecked(dstPtr, width, color, x, y);
}
}
});
surf.MarkDirty();
// Transfer the temp layer to the real one,
// respecting any selection area
using (var g = doc.CreateClippedContext()) {
g.Operator = Operator.Source;
g.SetSource(surf);
g.Paint();
}
doc.ToolLayer.Clear();
doc.History.PushNewItem(hist);
doc.Workspace.Invalidate();
}
