private void ShowPreviewMarker(PointerEventInfo info)
{
if (ActiveObjectClass == null)
return;
if (ActiveObjectClass != _activeClass) {
HidePreviewMarker();
_previewMarker = null;
_activeClass = ActiveObjectClass;
}
if (!_previewMarkerVisible) {
if (_previewMarker == null) {
_previewMarker = new ImageAnnot() {
Image = ActiveObjectClass.Image,
BlendColor = new Color(255, 255, 255, 128),
};
}
_annots.Add(_previewMarker);
_previewMarkerVisible = true;
}
Point xlat = new Point((int)info.X - _activeClass.ImageBounds.Width / 2, (int)info.Y - _activeClass.ImageBounds.Height / 2);
if (SnapManager != null)
xlat = SnapManager.Translate(xlat, SnappingTarget);
_previewMarker.Position = xlat;
}
protected override void DisposeManaged()
{
if (_data != null) {
_data.ImageInvalidated -= HandleImageInvalidated;
_data = null;
}
if (_tex != null) {
_tex.Dispose();
_tex = null;
}
base.DisposeManaged();
}
private void ShowPreviewMarker(TileCoord location)
{
if (ActiveTile == null && _activeBrush == null)
return;
if (_selectionAnnot != null)
return;
if (_activeBrush == null && ActiveTile != _activeTile) {
ClearPreviewMarker();
_activeTile = ActiveTile;
}
if (!_previewMarkerVisible) {
if (_previewMarker == null) {
_previewMarker = new ImageAnnot();
_previewMarker.BlendColor = new Color(255, 255, 255, 128);
if (_activeBrush != null)
_previewMarker.Image = BuildBrushMarker();
else
_previewMarker.Image = BuildTileMarker();
}
_annots.Add(_previewMarker);
_previewMarkerVisible = true;
}
if (_previewMarker != null) {
int x = (int)(location.X * Layer.TileWidth);
int y = (int)(location.Y * Layer.TileHeight);
_previewMarker.Position = new Point(x, y);
//if (_activeBrush != null)
// _previewMarker.End = new Point(x + Layer.TileWidth * _activeBrush.TilesWide, y + Layer.TileHeight * _activeBrush.TilesHigh);
//else
// _previewMarker.End = new Point(x + Layer.TileWidth, y + Layer.TileHeight);
}
else {
HidePreviewMarker();
}
}
private void ClearPreviewMarker()
{
HidePreviewMarker();
_previewMarker = null;
}
public ImageAnnotRenderer(ImageAnnot data)
{
_data = data;
}
