// Refresh preview
public void RefreshFilter( )
{
// release old image
if (previewImage != null)
{
previewImage.Dispose( );
previewImage = null;
}
if ((image != null) && (filter != null))
{
Bitmap originalOverlayImage = null;
Bitmap tempOverlayImage = null;
// if the filter uses overlay image, then crop it also
if (filter is BaseInPlaceFilter2)
{
BaseInPlaceFilter2 filter2 = (BaseInPlaceFilter2)filter;
originalOverlayImage = filter2.OverlayImage;
tempOverlayImage = originalOverlayImage.Clone(new Rectangle(imageX, imageY, areaWidth, areaHeight), originalOverlayImage.PixelFormat);
filter2.OverlayImage = tempOverlayImage;
}
else if (filter is BaseFilter2)
{
BaseFilter2 filter2 = (BaseFilter2)filter;
originalOverlayImage = filter2.OverlayImage;
tempOverlayImage = originalOverlayImage.Clone(new Rectangle(imageX, imageY, areaWidth, areaHeight), originalOverlayImage.PixelFormat);
filter2.OverlayImage = tempOverlayImage;
}
Bitmap tmp = image.Clone(new Rectangle(imageX, imageY, areaWidth, areaHeight), image.PixelFormat);
try
{
previewImage = filter.Apply(tmp);
}
catch (Exception)
{
}
// restore overlay image
if (originalOverlayImage != null)
{
if (filter is BaseInPlaceFilter2)
{
((BaseInPlaceFilter2)filter).OverlayImage = originalOverlayImage;
}
else if (filter is BaseFilter2)
{
((BaseFilter2)filter).OverlayImage = originalOverlayImage;
}
}
if (tempOverlayImage != null)
{
tempOverlayImage.Dispose( );
}
// release temp image
tmp.Dispose( );
}
// repaint
Invalidate( );
}
// Refresh preview
public void RefreshFilter( )
{
// release old image
if (previewImage != null)
{
previewImage.Dispose( );
previewImage = null;
}
if ((image != null) && (filter != null))
{
Bitmap originalOverlayImage = null;
Bitmap tempOverlayImage = null;
// if the filter uses overlay image, then crop it also
if (filter is BaseInPlaceFilter2)
{
BaseInPlaceFilter2 filter2 = (BaseInPlaceFilter2)filter;
originalOverlayImage = filter2.OverlayImage;
filter2.OverlayImage = tempOverlayImage;
}
else if (filter is BaseFilter2)
{
BaseFilter2 filter2 = (BaseFilter2)filter;
originalOverlayImage = filter2.OverlayImage;
filter2.OverlayImage = tempOverlayImage;
}
try
{
}
catch (Exception)
{
}
// restore overlay image
if (originalOverlayImage != null)
{
if (filter is BaseInPlaceFilter2)
{
((BaseInPlaceFilter2)filter).OverlayImage = originalOverlayImage;
}
else if (filter is BaseFilter2)
{
((BaseFilter2)filter).OverlayImage = originalOverlayImage;
}
}
if (tempOverlayImage != null)
{
tempOverlayImage.Dispose( );
}
// release temp image
}
// repaint
Invalidate( );
}