protected virtual void DrawChildren(DrawContext drawContext, float actualOpacity)
{
if (children.Count == 0)
{
return;
}
#if DEBUG
Box2?clipRegionDebug = null;
#endif
using (ClipChildren ? DrawState.Clip(Bounds, Manager.Camera) : null)
{
foreach (var child in children)
{
if (child.displayed)
{
child.Draw(drawContext, actualOpacity);
}
}
#if DEBUG
if (ClipChildren)
{
clipRegionDebug = DrawState.GetClipRegion(Manager.Camera);
}
#endif
}
#if DEBUG
if (clipRegionDebug.HasValue)
{
Manager.Skin.GetDrawable("debug_clipregion")?.Draw(drawContext, manager.Camera, clipRegionDebug.Value, 1);
}
#endif
}
public void Draw(DrawContext drawContext, Camera camera, Box2 bounds, float opacity)
{
validate();
var inverseScaling = 1 / scaling;
var color = Color.WithOpacity(opacity);
var renderer = DrawState.Prepare(drawContext.Get <SpriteRenderer>(), camera, RenderStates);
var clipRegion = DrawState.GetClipRegion(camera) ?? new Box2(camera.ExtendedViewport.Left, camera.ExtendedViewport.Top, camera.ExtendedViewport.Right, camera.ExtendedViewport.Bottom);
foreach (var layoutGlyph in textLayout.VisibleGlyphs)
{
var glyph = layoutGlyph.Glyph;
var position = layoutGlyph.Position;
var y = bounds.Top + position.Y * inverseScaling;
var height = glyph.Height * inverseScaling;
if (y > clipRegion.Bottom)// || y - height > bounds.Bottom)
{
break;
}
if (y + height < clipRegion.Top)// || y < bounds.Top)
{
continue;
}
var x = bounds.Left + position.X * inverseScaling;
var width = glyph.Width * inverseScaling;
renderer.Draw(glyph.Texture, x, y, 0, 0, inverseScaling, inverseScaling, 0, color);
}
}
