예제 #1
0
        protected void SetItemThumbnail(ImageBuffer thumbnail)
        {
            if (thumbnail != null)
            {
                // Resize canvas to target as fallback
                if (thumbnail.Width < thumbWidth || thumbnail.Height < thumbHeight)
                {
                    thumbnail = ListView.ResizeCanvas(thumbnail, thumbWidth, thumbHeight);
                }
                else if (thumbnail.Width > thumbWidth || thumbnail.Height > thumbHeight)
                {
                    thumbnail = LibraryProviderHelpers.ResizeImage(thumbnail, thumbWidth, thumbHeight);
                }

                if (GuiWidget.DeviceScale != 1)
                {
                    thumbnail = thumbnail.CreateScaledImage(GuiWidget.DeviceScale);
                }

                // TODO: Resolve and implement
                // Allow the container to draw an overlay - use signal interface or add method to interface?
                //var iconWithOverlay = ActiveContainer.DrawOverlay()

                if (thumbnail != null &&
                    this.imageWidget != null &&
                    (this.imageWidget.Image == null ||
                     !thumbnail.Equals(this.imageWidget.Image, 5)))
                {
                    this.imageWidget.Image = thumbnail;
                    this.ImageSet?.Invoke(this, null);
                    this.Invalidate();
                }
            }
        }
예제 #2
0
        public Task <ImageBuffer> GetThumbnail(ILibraryItem item, int width, int height)
        {
            return(Task.Run <ImageBuffer>(async() =>
            {
                var thumbnail = await LoadImage(item);
                if (thumbnail != null)
                {
                    thumbnail = LibraryProviderHelpers.ResizeImage(thumbnail, width, height);

                    // Cache library thumbnail
                    AggContext.ImageIO.SaveImageData(
                        ApplicationController.Instance.Thumbnails.CachePath(item, width, height),
                        thumbnail);
                }

                return thumbnail;
            }));
        }