private void Render(DisplayObject obj, Matrix2D matrix = null, float alpha = 1.0f)
{
Painter painter = SparrowSharp.Painter;
RenderState state = painter.State;
bool wasCacheEnabled = painter.CacheEnabled;
FragmentFilter filter = obj.Filter;
DisplayObject mask = obj.Mask;
painter.CacheEnabled = false;
painter.PushState();
state.Alpha = obj.Alpha * alpha;
state.SetModelviewMatricesToIdentity();
state.BlendMode = obj.BlendMode == BlendMode.AUTO ?
BlendMode.NORMAL : obj.BlendMode;
if (matrix != null)
{
state.TransformModelviewMatrix(matrix);
}
else
{
state.TransformModelviewMatrix(obj.TransformationMatrix);
}
// OpenGL calculates y coordinates from the bottom, invert them here
state.ModelviewMatrix.Scale(1, -1);
state.ModelviewMatrix.Translate(0, Height);
if (mask != null)
{
painter.DrawMask(mask);
}
if (filter != null)
{
filter.Render(painter);
}
else
{
obj.Render(painter);
}
if (mask != null)
{
painter.EraseMask(mask);
}
painter.PopState();
painter.CacheEnabled = wasCacheEnabled;
}
public override void Render(Painter painter)
{
int numChildren = _children.Count;
uint frameId = painter.FrameId;
bool cacheEnabled = frameId != 0;
bool selfOrParentChanged = _lastParentOrSelfChangeFrameID == frameId;
for (int i = 0; i < numChildren; ++i)
{
DisplayObject child = _children[i];
if (child._hasVisibleArea)
{
if (selfOrParentChanged)
{
child._lastParentOrSelfChangeFrameID = frameId;
}
if (child._lastParentOrSelfChangeFrameID != frameId &&
child._lastChildChangeFrameID != frameId &&
child._tokenFrameID == frameId - 1 && cacheEnabled)
{
painter.PushState(SCacheToken);
painter.DrawFromCache(child._pushToken, child._popToken);
painter.PopState(child._popToken);
child._pushToken.CopyFrom(SCacheToken);
}
else
{
BatchToken pushToken = cacheEnabled ? child._pushToken : null;
BatchToken popToken = cacheEnabled ? child._popToken : null;
FragmentFilter filter = child._filter;
DisplayObject mask = child._mask;
painter.PushState(pushToken);
painter.SetStateTo(child.TransformationMatrix, child.Alpha, child.BlendMode);
if (mask != null)
{
painter.DrawMask(mask, child);
}
if (filter != null)
{
filter.Render(painter);
}
else
{
child.Render(painter);
}
if (mask != null)
{
painter.EraseMask(mask, child);
}
painter.PopState(popToken);
}
if (cacheEnabled)
{
child._tokenFrameID = frameId;
}
}
}
}
