/// <summary>
/// Releases all resources used by this <see cref="CompositeGraphic"/>.
/// </summary>
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing && _cacheItem != null)
{
_cacheItem = null;
}
}
/// <summary>
/// Fires the <see cref="Graphic.Drawing"/> event. Should be called by an <see cref="IRenderer"/>
/// for each object just before it is drawn/rendered, hence the reason it is public.
/// </summary>
public override void OnDrawing()
{
base.OnDrawing();
if (_imageGraphic != null || !HasShutters)
{
return;
}
_cacheItem = GeometricShutterCache.GetCacheItem(GetAllShutters(), _imageRectangle, _fillColor);
//IMPORTANT: don't just pass the value of Raw, otherwise, memory management won't work (hard reference).
_imageGraphic = new ColorImageGraphic(_cacheItem.PixelData.Rows, _cacheItem.PixelData.Columns, () => _cacheItem.PixelData.Raw);
base.Graphics.Add(_imageGraphic);
}
private void Invalidate()
{
if (_imageGraphic != null)
{
base.Graphics.Remove(_imageGraphic);
_imageGraphic.Dispose();
_imageGraphic = null;
//don't de-allocate and reallocate unnecessarily.
if (!HasShutters)
{
_cacheItem = null;
}
}
}
private void Invalidate()
{
if (_imageGraphic != null)
{
base.Graphics.Remove(_imageGraphic);
_imageGraphic.Dispose();
_imageGraphic = null;
//don't de-allocate and reallocate unnecessarily.
if (!HasShutters)
_cacheItem = null;
}
}
/// <summary>
/// Releases all resources used by this <see cref="CompositeGraphic"/>.
/// </summary>
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing && _cacheItem != null)
_cacheItem = null;
}
/// <summary>
/// Fires the <see cref="Graphic.Drawing"/> event. Should be called by an <see cref="IRenderer"/>
/// for each object just before it is drawn/rendered, hence the reason it is public.
/// </summary>
public override void OnDrawing()
{
base.OnDrawing();
if (_imageGraphic != null || !HasShutters)
return;
_cacheItem = GeometricShutterCache.GetCacheItem(GetAllShutters(), _imageRectangle, _fillColor);
//IMPORTANT: don't just pass the value of Raw, otherwise, memory management won't work (hard reference).
_imageGraphic = new ColorImageGraphic(_cacheItem.PixelData.Rows, _cacheItem.PixelData.Columns, () => _cacheItem.PixelData.Raw);
base.Graphics.Add(_imageGraphic);
}
