コード例 #1
0
        // 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( );
        }
コード例 #2
0
        // 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( );
        }