コード例 #1
0
        public override bool IsEditableEmbeddedImage()
        {
            if (!IsEmbeddedImage())
            {
                return(false);
            }

            string path = _imageData.GetImageSourceFile().Uri.LocalPath;

            if (ImageHelper2.IsAnimated(path))
            {
                return(false);
            }

            return(!ImageHelper2.IsMetafile(path));
        }
コード例 #2
0
        public Bitmap ApplyImageDecorators(Bitmap bitmap)
        {
            _currImage     = bitmap;
            _originalImage = bitmap;

            bool borderNeedsReset = true;

            foreach (ImageDecorator decorator in _decoratorsList)
            {
                ApplyImageDecorator(decorator, _currImage, ref borderNeedsReset);
            }

            //update the rotation and size info in the image properties
            if (_embedType == ImageEmbedType.Embedded)
            {
//                if (borderNeedsReset)
//                    BorderMargin = ImageBorderMargin.Empty;

                if (!ImageHelper2.IsAnimated(_currImage))
                {
                    Size currImageSize = _currImage.Size;

                    //update the inline image size (don't forget to remove size added by borders)
                    ImageBorderMargin borderMargin = BorderMargin;
                    Size borderlessImageSize       = new Size(
                        currImageSize.Width - borderMargin.Width,
                        currImageSize.Height - borderMargin.Height);
                    _imageInfo.InlineImageSize = borderlessImageSize;
                }
            }
            else
            {
                _imageInfo.LinkTargetImageSize = _currImage.Size;
            }

            _originalImage = null;
            return(_currImage);
        }
コード例 #3
0
        public void Decorate(ImageDecoratorContext context)
        {
            bool useOriginalImage = true;
            HtmlImageResizeDecoratorSettings settings = new HtmlImageResizeDecoratorSettings(context.Settings, context.ImgElement);

            if (context.InvocationSource == ImageDecoratorInvocationSource.InitialInsert ||
                context.InvocationSource == ImageDecoratorInvocationSource.Reset)
            {
                // WinLive 96840 - Copying and pasting images within shared canvas should persist source
                // decorator settings.
                // If ImageSizeName is set, then use that instead of default values
                if (settings.IsImageSizeNameSet && context.InvocationSource == ImageDecoratorInvocationSource.InitialInsert)
                {
                    // We must be copying settings from another instance of the same image
                    settings.SetImageSize(settings.ImageSize, settings.ImageSizeName);

                    // WinLive 96840 - Copying and pasting images within shared canvas should persist source
                    // decorator settings.
                    // Also if we are copying settings, then use the image instance from context instead of the
                    // original image. This ensures we use the cropped image (if any) to resize.
                    useOriginalImage = false;
                }
                else
                {
                    //calculate the default image size and rotation.  If the camera has indicated that the
                    //orientation of the photo is rotated (in the EXIF data), shift the rotation appropriately
                    //to insert the image correctly.

                    //Fix the image orientation based on the Exif data (added by digital cameras).
                    RotateFlipType fixedRotation = ImageUtils.GetFixupRotateFlipFromExifOrientation(context.Image);
                    settings.Rotation = fixedRotation;

                    settings.BaseSize = context.Image.Size;

                    //the default size is a scaled version of the image based on the default inline size constraints.
                    Size defaultBoundsSize;
                    if (settings.DefaultBoundsSizeName != ImageSizeName.Full)
                    {
                        defaultBoundsSize = settings.DefaultBoundsSize;
                    }
                    else //original size is default, so we aren't going to scale
                    {
                        defaultBoundsSize = context.Image.Size;
                    }
                    //calulate the base image size to scale from.  If the image is rotated 90 degrees, then switch the height/width
                    Size baseImageSize = context.Image.Size;
                    if (ImageUtils.IsRotated90(settings.Rotation))
                    {
                        baseImageSize = new Size(baseImageSize.Height, baseImageSize.Width);
                    }

                    //calculate and set the scaled default size using the defaultSizeBounds
                    //Note: if the image dimensions are smaller than the default, don't scale that dimension (bug 419446)
                    Size defaultSize =
                        ImageUtils.GetScaledImageSize(Math.Min(baseImageSize.Width, defaultBoundsSize.Width),
                                                      Math.Min(baseImageSize.Height, defaultBoundsSize.Height),
                                                      baseImageSize);
                    if (defaultSize.Width < defaultBoundsSize.Width && defaultSize.Height < defaultBoundsSize.Height)
                    {
                        settings.SetImageSize(defaultSize, ImageSizeName.Full);
                    }
                    else
                    {
                        settings.SetImageSize(defaultSize, settings.DefaultBoundsSizeName);
                    }
                }
            }
            else if (settings.BaseSizeChanged(context.Image))
            {
                Size newBaseSize = context.Image.Size;
                settings.SetImageSize(AdjustImageSizeForNewBaseSize(true, settings, newBaseSize, settings.Rotation, context), null);
                settings.BaseSize = newBaseSize;
            }

            //this decorator only applies to embedded images.
            if (context.ImageEmbedType == ImageEmbedType.Embedded && !ImageHelper2.IsAnimated(context.Image))
            {
                Bitmap imageToResize = null;

                // To make image insertion faster, we've already created an initial resized image on a background thread.
                if (context.InvocationSource == ImageDecoratorInvocationSource.InitialInsert && useOriginalImage)
                {
                    try
                    {
                        string imageSrc = context.ImgElement.getAttribute("src", 2) as string;
                        if (!string.IsNullOrEmpty(imageSrc) && (UrlHelper.IsFileUrl(imageSrc) || File.Exists(new Uri(imageSrc).ToString())))
                        {
                            Uri imageSrcUri = new Uri(imageSrc);
                            imageToResize = (Bitmap)Image.FromFile(imageSrcUri.LocalPath);
                        }
                    }
                    catch (Exception e)
                    {
                        Debug.Write("Failed to load pre-created initial image: " + e);
                    }
                }

                if (imageToResize == null)
                {
                    imageToResize = context.Image;
                }

                // Figure the desired image size by taking the size of the img element
                // and calculate what borderless image size we'd need to start with
                // to end up at that size. This is different than simply subtracting
                // the existing border size, since borders can be relative to the
                // size of the base image.
                Size desiredImageSize = settings.BorderMargin.ReverseCalculateImageSize(settings.ImageSizeWithBorder);

                //resize the image and update the image used by the context.
                if (desiredImageSize != imageToResize.Size || settings.Rotation != RotateFlipType.RotateNoneFlipNone)
                {
                    context.Image = ResizeImage(imageToResize, desiredImageSize, settings.Rotation);
                }
                else
                {
                    context.Image = imageToResize;
                }

                if (settings.ImageSize != context.Image.Size)
                {
                    settings.SetImageSize(context.Image.Size, settings.ImageSizeName);
                }
            }
        }