public void Draw(DrawInfo drawInfo)
{
if (BeginDrawing != null)
{
BeginDrawing(this, new DrawEventArgs(drawInfo));
}
rwLock.EnterWrite();
try
{
graphics.RemoveExpired();
lock (syncRoot)
{
graphics.AddPending();
}
graphics.CheckZOrder();
List <Graphic> graphics1 = graphics.Items;
for (int index = 0; index < graphics1.Count; ++index)
{
Graphic graphic = graphics1[index];
if (graphic.IsVisible)
{
graphic.Draw(drawInfo);
}
}
}
finally
{
rwLock.ExitWrite();
}
if (EndDrawing != null)
{
EndDrawing(this, new DrawEventArgs(drawInfo));
}
}
private void DrawWithChildren(DrawInfo drawInfo)
{
children.RemoveExpired();
lock (syncRoot)
{
children.AddPending();
}
children.CheckZOrder();
hasChildren = children.Items.Count > 0;
PreDraw(drawInfo);
int index = 0;
List <Graphic> children2 = children.Items;
for (; index < children2.Count && children2[index].ZOrder < this.ZOrder; ++index)
{
Gl.glPushMatrix();
children2[index].Draw(drawInfo);
Gl.glPopMatrix();
}
drawable.Draw(drawInfo, drawableState);
for (; index < children2.Count; ++index)
{
Gl.glPushMatrix();
children2[index].Draw(drawInfo);
Gl.glPopMatrix();
}
PostDraw(drawInfo);
}
void Draw(Scalar dt, Scalar trueDt)
{
rwLock.EnterWrite();
try
{
viewports.RemoveExpired();
lock (syncRoot)
{
viewports.AddPending();
}
viewports.CheckZOrder();
drawCount++;
DrawInfo drawInfo = new DrawInfo(dt, trueDt, drawCount, refreshCount);
foreach (Viewport viewport in viewports.Items)
{
viewport.Draw(drawInfo);
}
}
finally
{
rwLock.ExitWrite();
}
}