/// <summary>
/// BMPキャッシュ機能を追加したレイヤー描画
/// </summary>
/// <param name="pane"></param>
/// <param name="layerid"></param>
/// <param name="pts"></param>
protected override void drawLayer(IRichPane pane, int layerid, IEnumerable <PartsBase> pts)
{
if (_enabledLayers.ContainsKey(layerid))
{
if (bmps.ContainKeys(pane, layerid) == false)
{
var pr = MotherPane.GetPaneRect();
bmps[pane, layerid] = new Bitmap(pr.Width, pr.Height);
}
var bmp = bmps[pane, layerid];
if (EnableShot == false)
{
var rp = RichPaneCustomGraphicsBinder.CreateCopy(MotherPane, Graphics.FromImage(bmp));
rp.SetParent(MotherPane);
rp.Graphics.Clear(Color.Transparent);
base.drawLayer(rp, layerid, pts);
var sr = pane.GetPaneRect();
MotherPane.Graphics.DrawImageUnscaledAndClipped(bmp, sr);
panebak[pane, layerid] = rp;
}
else
{
var sr = pane.GetPaneRect();
var rpbak = panebak[pane, layerid];
// pane.Graphics.SetClip(sr);
sr += ScreenPos.FromInt(pane.Scroll.X - rpbak.Scroll.X, pane.Scroll.Y - rpbak.Scroll.Y);
MotherPane.Graphics.DrawImageUnscaledAndClipped(bmp, sr);
}
}
else
{
base.drawLayer(pane, layerid, pts);
}
}
/// <summary>
/// Graphicsを指定したインスタンスを構築
/// </summary>
/// <param name="value"></param>
/// <param name="g"></param>
/// <returns></returns>
public static RichPaneCustomGraphicsBinder CreateCopy(IRichPane value, Graphics g)
{
var ret = new RichPaneCustomGraphicsBinder
{
_parent = null,
_zoom = value.Zoom,
_scroll = value.Scroll,
_idtext = value.IdText,
_graphics = g
};
return(ret);
}