public IList<Shape> Execute(StyleOption option, EffectsDesigner designer, ImageItem source,
            Shape imageShape)
        {
            designer.ApplyPseudoTextWhenNoTextShapes();

            if ((option.IsUseBannerStyle 
                || option.IsUseFrostedGlassBannerStyle)
                    && (option.GetTextBoxPosition() == Position.Left
                        || option.GetTextBoxPosition() == Position.Centre
                        || option.GetTextBoxPosition() == Position.Right))
            {
                designer.ApplyTextWrapping();
            }
            else if (option.IsUseCircleStyle
                     || option.IsUseOutlineStyle)
            {
                designer.ApplyTextWrapping();
            }
            else
            {
                designer.RecoverTextWrapping();
            }

            ApplyTextEffect(option, designer);
            designer.ApplyTextGlowEffect(option.IsUseTextGlow, option.TextGlowColor);

            return new List<Shape>();
        }

        public ImageItemCollection ParseAll(ref string html)
        {
            ImageItem item;
            ImageItemCollection list = null;
            MatchCollection mc = FirstStep(ref html);

            if (mc.Count < 1)
                return null;

            List<string> urls = SecondStep(mc);
            list = new ImageItemCollection();

            foreach(string m in urls)
            {
                item = new ImageItem(m);
                list.Add(item);
                string resized = Resize(m);
                if (resized != null)
                {
                    item = new ImageItem(resized);
                    list.Add(item);
                }
            }

            if (list.Count < 1)
                return null;

            return list;
        }

        public void ApplyStyle(ImageItem source, Slide contentSlide,
            float slideWidth, float slideHeight, StyleOptions option = null)
        {
            if (Globals.ThisAddIn != null)
            {
                Globals.ThisAddIn.Application.StartNewUndoEntry();
            }
            if (option != null)
            {
                SetStyleOptions(option);
            }

            // try to use cropped/adjusted image to apply
            var fullsizeImage = source.FullSizeImageFile;
            source.FullSizeImageFile = source.CroppedImageFile ?? source.FullSizeImageFile;
            source.OriginalImageFile = fullsizeImage;
            
            var effectsHandler = new EffectsDesigner(contentSlide, 
                slideWidth, slideHeight, source);

            ApplyStyle(effectsHandler, source, isActualSize: true);

            source.FullSizeImageFile = fullsizeImage;
            source.OriginalImageFile = null;
        }

 private void Setup(float slideWidth, float slideHeight, ImageItem source)
 {
     SlideWidth = slideWidth;
     SlideHeight = slideHeight;
     Source = source;
     PrepareShapesForPreview();
 }

        public IList<Shape> Execute(StyleOption option, EffectsDesigner designer, ImageItem source, Shape imageShape, Settings settings)
        {
            if (option.StyleName != TextCollection.PictureSlidesLabText.StyleNameDirectText
                && option.StyleName != TextCollection.PictureSlidesLabText.StyleNameBlur
                && option.StyleName != TextCollection.PictureSlidesLabText.StyleNameSpecialEffect
                && option.StyleName != TextCollection.PictureSlidesLabText.StyleNameOverlay)
            {
                designer.ApplyPseudoTextWhenNoTextShapes();
            }

            if ((option.IsUseBannerStyle 
                || option.IsUseFrostedGlassBannerStyle)
                    && (option.GetTextBoxPosition() == Position.Left
                        || (option.GetTextBoxPosition() == Position.Centre 
                            && option.GetBannerDirection() != BannerDirection.Horizontal)
                        || option.GetTextBoxPosition() == Position.Right))
            {
                designer.ApplyTextWrapping();
            }
            else if (option.IsUseCircleStyle
                     || option.IsUseOutlineStyle)
            {
                designer.ApplyTextWrapping();
            }
            else
            {
                designer.RecoverTextWrapping(option.GetTextBoxPosition(), option.GetTextAlignment());
            }

            ApplyTextEffect(option, designer);
            designer.ApplyTextGlowEffect(option.IsUseTextGlow, option.TextGlowColor);

            return new List<Shape>();
        }

 /// <summary>
 /// For `preview`
 /// </summary>
 /// <param name="slide">the temp slide to produce preview image</param>
 /// <param name="contentSlide">the slide that contains content</param>
 /// <param name="slideWidth"></param>
 /// <param name="slideHeight"></param>
 /// <param name="source"></param>
 private EffectsDesigner(PowerPoint.Slide slide, PowerPoint.Slide contentSlide, 
     float slideWidth, float slideHeight, ImageItem source)
     : base(slide)
 {
     ContentSlide = contentSlide;
     Setup(slideWidth, slideHeight, source);
 }

        public PreviewInfo PreviewApplyStyle(ImageItem source, Slide contentSlide, 
            float slideWidth, float slideHeight, StyleOption option)
        {
            SetStyleOptions(option);
            SlideWidth = slideWidth;
            SlideHeight = slideHeight;

            var previewInfo = new PreviewInfo();
            var handler = CreateEffectsHandlerForPreview(source, contentSlide);

            // use thumbnail to apply, in order to speed up
            var fullSizeImgPath = source.FullSizeImageFile;
            var originalThumbnail = source.ImageFile;
            source.FullSizeImageFile = null;
            source.ImageFile = source.CroppedThumbnailImageFile ?? source.ImageFile;

            ApplyStyle(handler, source, isActualSize: false);

            // recover the source back
            source.FullSizeImageFile = fullSizeImgPath;
            source.ImageFile = originalThumbnail;
            handler.GetNativeSlide().Export(previewInfo.PreviewApplyStyleImagePath, "JPG",
                    GetPreviewWidth(), PreviewHeight);

            handler.Delete();
            return previewInfo;
        }

        public PreviewInfo PreviewApplyStyle(ImageItem source, Slide contentSlide, 
            float slideWidth, float slideHeight, StyleOption option)
        {
            Logger.Log("PreviewApplyStyle begins");
            SetStyleOptions(option);
            SlideWidth = slideWidth;
            SlideHeight = slideHeight;

            var previewInfo = new PreviewInfo();
            EffectsDesignerForPreview.PreparePreviewing(contentSlide, slideWidth, slideHeight, source);

            // use thumbnail to apply, in order to speed up
            source.BackupFullSizeImageFile = source.FullSizeImageFile;
            var backupImageFile = source.ImageFile;
            source.FullSizeImageFile = null;
            source.ImageFile = source.CroppedThumbnailImageFile ?? source.ImageFile;

            GenerateStyle(EffectsDesignerForPreview, source, isActualSize: false);

            // recover the source back
            source.FullSizeImageFile = source.BackupFullSizeImageFile;
            source.ImageFile = backupImageFile;
            EffectsDesignerForPreview.GetNativeSlide().Export(previewInfo.PreviewApplyStyleImagePath, "JPG",
                    GetPreviewWidth(), PreviewHeight);
            Logger.Log("PreviewApplyStyle done");
            return previewInfo;
        }

 public BmtvConfig()
 {
     Username = new StringItem { Name = "Username" };
     Password = new StringItem { Name = "Password" };
     CaptchaImage = new ImageItem { Name = "Captcha Image" };
     CaptchaText = new StringItem { Name = "Captcha Text" };
 }

 private void Setup(float slideWidth, float slideHeight, ImageItem source)
 {
     SlideWidth = slideWidth;
     SlideHeight = slideHeight;
     Source = source;
     DeleteShapesWithPrefix(ShapeNamePrefix);
 }

 public IList<Shape> Execute(StyleOption option, EffectsDesigner designer, ImageItem source, Shape imageShape)
 {
     if (option.IsUseTextBoxStyle)
     {
         designer.ApplyTextboxEffect(option.TextBoxColor, option.TextBoxTransparency);
     }
     return new List<Shape>();
 }

 public ConfigurationDataCaptchaLogin()
 {
     Username = new StringItem { Name = "Username" };
     Password = new StringItem { Name = "Password" };
     CaptchaImage = new ImageItem { Name = "Captcha Image" };
     CaptchaText = new StringItem { Name = "Captcha Text" };
     CaptchaCookie = new HiddenItem("") { Name = "Captcha Cookie" };
 }

 public IList<Shape> Execute(StyleOption option, EffectsDesigner designer, ImageItem source,
     Shape imageShape)
 {
     // store style options information into original image shape
     // return original image and cropped image
     return designer.EmbedStyleOptionsInformation(
         source.OriginalImageFile, source.FullSizeImageFile,
         source.ContextLink, source.Rect, option);
 }

 public void PreparePreviewing(PowerPoint.Slide contentSlide, float slideWidth, float slideHeight, ImageItem source)
 {
     Logger.Log("PreparePreviewing begins");
     InitLayoutAndDesign(contentSlide);
     DeleteAllShapes();
     CopyShapes(contentSlide);
     Setup(slideWidth, slideHeight, source);
     Logger.Log("PreparePreviewing done");
 }

 /// <param name="instructionMessageOptional">Enter any instructions the user will need to setup the tracker</param>
 public ConfigurationDataCaptchaLogin(string instructionMessageOptional = null)
 {
     Username = new StringItem { Name = "Username" };
     Password = new StringItem { Name = "Password" };
     CaptchaImage = new ImageItem { Name = "Captcha Image" };
     CaptchaText = new StringItem { Name = "Captcha Text" };
     CaptchaCookie = new HiddenItem("") { Name = "Captcha Cookie" };
     Instructions = new DisplayItem(instructionMessageOptional) { Name = "" };
 }

 public IList<Shape> Execute(StyleOption option, EffectsDesigner designer, ImageItem source, Shape imageShape)
 {
     var result = new List<Shape>();
     if (option.IsUseCircleStyle)
     {
         var circleOverlayShape = designer.ApplyCircleRingsEffect(option.CircleColor, option.CircleTransparency);
         result.Add(circleOverlayShape);
     }
     return result;
 }

 public IList<Shape> Execute(StyleOption option, EffectsDesigner designer, ImageItem source, Shape imageShape)
 {
     var result = new List<Shape>();
     if (option.IsUseBannerStyle)
     {
         var bannerOverlayShape = ApplyBannerStyle(option, designer, imageShape);
         result.Add(bannerOverlayShape);
     }
     return result;
 }

 public ImageItemforUI(ImageItem imageitem)
 {
     imageId = imageitem.ImageId;
     path = imageitem.Path;
     // 本来ならここでDB読んでタグを収集
     tags = new List<string>();
     tags.Add("テストタグ1");
     tags.Add("テストタグ2");
     tags.Add("テストタグ3");
 }

 public static void GetMetaInfo(ref string url, ImageItem item)
 {
     if (IsValidGoogleImageLink(url))
     {
         var googleImageUri = new Uri(url);
         var parameters = HttpUtility.ParseQueryString(googleImageUri.Query);
         url = HttpUtility.UrlDecode(parameters.Get("imgurl"));
         item.ContextLink = HttpUtility.UrlDecode(parameters.Get("imgrefurl"));
     }
 }

 public void Init()
 {
     _designer = new StylesDesigner(App);
     _sourceImage = new ImageItem
     {
         ImageFile = PathUtil.GetDocTestPath() + "koala.jpg",
         Tooltip = "some tooltip"
     };
     _contentSlide = PpOperations.SelectSlide(1);
 }