public void Execute(object parameter)
{
_simplePaintViewModel.ImageSave.Clear();
_simplePaintViewModel.GetFirstImage().CopyPixels(_simplePaintViewModel.GetImageData(), _simplePaintViewModel.GetStride(), 0);
_simplePaintViewModel.Imagesource = _simplePaintViewModel.GetFirstImage();
_simplePaintViewModel.ImageSave.Push(new TempImage(_simplePaintViewModel.Imagesource, _simplePaintViewModel.GetStride()));
_simplePaintViewModel.Imagesource = BitmapSource.Create(_simplePaintViewModel.Imagesource.PixelWidth, _simplePaintViewModel.Imagesource.PixelHeight, _simplePaintViewModel.Imagesource.DpiX,
_simplePaintViewModel.Imagesource.DpiY, _simplePaintViewModel.Imagesource.Format, _simplePaintViewModel.Imagesource.Palette, _simplePaintViewModel.GetImageData(), _simplePaintViewModel.Imagesource.PixelWidth * (_simplePaintViewModel.Imagesource.Format.BitsPerPixel / 8));
}
public void Execute(object parameter)
{
if (_simplePaintViewModel.ImageSave.Count - 1 >= 0)
{
if (_simplePaintViewModel.ImageSave.Count - 1 == 0)
{
_simplePaintViewModel.ImageSave.Clear();
_simplePaintViewModel.GetFirstImage().CopyPixels(_simplePaintViewModel.GetImageData(), _simplePaintViewModel.GetStride(), 0);
_simplePaintViewModel.Imagesource = _simplePaintViewModel.GetFirstImage();
_simplePaintViewModel.ImageSave.Push(new TempImage(_simplePaintViewModel.Imagesource, _simplePaintViewModel.GetStride()));
return;
}
_simplePaintViewModel.ImageSave.Pop();
var tempImage = _simplePaintViewModel.ImageSave.Peek();
_simplePaintViewModel.SetImageData(tempImage.TempPixelData);
_simplePaintViewModel.Imagesource = BitmapSource.Create(tempImage.Tempbmp.PixelWidth, tempImage.Tempbmp.PixelHeight, tempImage.Tempbmp.DpiX, tempImage.Tempbmp.DpiY, tempImage.Tempbmp.Format, tempImage.Tempbmp.Palette, _simplePaintViewModel.GetImageData(), _simplePaintViewModel.GetStride());
}
}