private void RenderPreview()
{
var handle = SelectedWindow.Value.Handle;
var(scaleX, scaleY) = (DpiService.Instance.CurrentDpi.ScaleX, DpiService.Instance.CurrentDpi.ScaleY);
var rect = RobockUtil.AsRect(0, 0, _desktopWindowManager.Thumbnails[0].Size.Height, _desktopWindowManager.Thumbnails[0].Size.Width);
if (SelectedAreaHeight.Value != 0)
{
rect = CalcRenderingRect();
}
var left = PreviewAreaLeft.Value * scaleX;
var top = PreviewAreaTop.Value * scaleY;
var height = PreviewAreaHeight.Value * scaleY;
var width = PreviewAreaWidth.Value * scaleX;
if (_desktopWindowManager.Thumbnails[1].IsRendering)
{
_desktopWindowManager.Rerender(1, (int)left, (int)top, (int)height, (int)width, rect);
}
else
{
_desktopWindowManager.Start(1, handle, (int)left, (int)top, (int)height, (int)width, rect);
}
}
private RECT CalcRenderingRect()
{
// 描画サイズから、縮小された割合を計算
var multi = _desktopWindowManager.Thumbnails[0].Size.Height / (double)EditorAreaHeight.Value;
// Grid と Image のズレが大きいと、描画領域がずれてしまうので、補正する
var diff = new Size(EditorAreaLeft.Value - GridAreaLeft.Value, EditorAreaTop.Value - GridAreaTop.Value);
return(RobockUtil.AsRect(SelectedAreaTop.Value - diff.Height, SelectedAreaLeft.Value - diff.Width, SelectedAreaHeight.Value, SelectedAreaWidth.Value,
multi));
}
