override public void Draw(FairyBatch batch)
{
base.Draw(batch);
if (_paintingMode != 0 && paintingGraphics.texture != null)
{
batch.PushRenderTarget(paintingGraphics.texture,
Vector2.Transform(Vector2.Zero, _localToWorldMatrix) + new Vector2(_paintingMargin.left, _paintingMargin.top));
}
if (_clipRect != null)
{
//在这里可以直接使用 _localToWorldMatrix， 因为已经更新
Rectangle clipRect = (Rectangle)_clipRect;
Matrix mat = Matrix.Identity;
ToolSet.TransformRect(ref clipRect, ref _localToWorldMatrix, ref mat);
batch.EnterClipping(clipRect);
}
float savedAlpha = batch.alpha;
batch.alpha *= this.alpha;
bool savedGrayed = batch.grayed;
batch.grayed = batch.grayed || this.grayed;
int cnt = _children.Count;
for (int i = 0; i < cnt; i++)
{
DisplayObject child = _children[i];
if (child.visible)
{
child.Draw(batch);
}
}
if (_clipRect != null)
{
batch.LeaveClipping();
}
if (_paintingMode != 0 && paintingGraphics.texture != null)
{
batch.PopRenderTarget();
batch.Draw(paintingGraphics, 1, false, _blendMode, ref _localToWorldMatrix, _filter);
}
batch.alpha = savedAlpha;
batch.grayed = savedGrayed;
}