예제 #1
0
        private MLResult InternalGetThumbnail(long entryId, out Texture2D imageThumbnail)
        {
            imageThumbnail = null;

            if (!_watchHistory.ContainsKey(entryId))
            {
                return(MLResult.Create(MLResult.Code.InvalidParam, "Unknown entry Id"));
            }

            var thumbnail = new MLImageNativeBindings.MLImageNative();

            MLResult.Code resultCode = MLScreensNativeBindings.MLScreensGetWatchHistoryThumbnail(entryId, ref thumbnail);
            var           result     = MLResult.Create(resultCode);

            if (!result.IsOk)
            {
                return(result);
            }

            imageThumbnail =
                new Texture2D((int)thumbnail.Width,
                              (int)thumbnail.Height,
                              TextureFormat.RGB24,
                              false,
                              true);

            imageThumbnail.LoadRawTextureData(thumbnail.Image,
                                              (int)(thumbnail.Height * thumbnail.Width) * RGBBytesPerPixel);
            resultCode = MLScreensNativeBindings.MLScreensReleaseWatchHistoryThumbnail(ref thumbnail);
            result     = MLResult.Create(resultCode);
            return(result);
        }
예제 #2
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        private static MLImageNativeBindings.MLImageNative CreateGrayThumbnailImage()
        {
            byte[] imageData = Enumerable.Repeat(DefaultThumbnailIntensityValue, DefaultThumbnailWidth * DefaultThumbnailHeight * RGBBytesPerPixel).ToArray();
            var    thumbnail = new MLImageNativeBindings.MLImageNative
            {
                ImageType = MLImageNativeBindings.MLImageType.RGB24,
                Alignment = 1,
                Width     = DefaultThumbnailWidth,
                Height    = DefaultThumbnailHeight,
                Image     = Marshal.AllocHGlobal(imageData.Length)
            };

            Marshal.Copy(imageData, 0, thumbnail.Image, imageData.Length);
            return(thumbnail);
        }
예제 #3
0
        /// Note: this function expects thumbnailImage to be 24-bit
        private MLImageNativeBindings.MLImageNative CreateThumbnailImage(Texture2D thumbnailImage)
        {
            // TODO: Change alignment to 4 and modify ConvertToByteArray to account for that.
            byte[] imageData = MLTextureUtils.ConvertToByteArray(thumbnailImage, out int numChannels);
            var    thumbnail = new MLImageNativeBindings.MLImageNative
            {
                ImageType = MLImageNativeBindings.MLImageType.RGB24,
                Alignment = 1,
                Width     = (uint)thumbnailImage.width,
                Height    = (uint)thumbnailImage.height,
                Image     = Marshal.AllocHGlobal(imageData.Length)
            };

            Marshal.Copy(imageData, 0, thumbnail.Image, imageData.Length);
            return(thumbnail);
        }
예제 #4
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        private MLResult InternalUpdateWatchHistory(MLScreensWatchHistoryEntry entry, Texture2D thumbnailImage)
        {
            if (!entry.IsValid)
            {
                return(MLResult.Create(MLResult.Code.InvalidParam, "Invalid entry parameter"));
            }

            if (!_watchHistory.ContainsKey(entry.Id))
            {
                return(MLResult.Create(MLResult.Code.InvalidParam, "Unknown entry Id"));
            }

            if (thumbnailImage != null && thumbnailImage.format != TextureFormat.RGB24)
            {
                return(MLResult.Create(MLResult.Code.InvalidParam, "Invalid thumbnail parameter format"));
            }

            MLScreensNativeBindings.MLScreensWatchHistoryEntryNative nativeEntry = MLScreensNativeBindings.MLScreensWatchHistoryEntryNative.Create();
            nativeEntry.Data = entry;

            MLImageNativeBindings.MLImageNative thumbnail =
                thumbnailImage == null ? _defaultGrayThumbnailImage : CreateThumbnailImage(thumbnailImage);
            MLResult.Code resultCode = MLScreensNativeBindings.MLScreensUpdateWatchHistoryEntry(ref nativeEntry, ref thumbnail);

            if (thumbnail.Image != IntPtr.Zero && thumbnail.Image != _defaultGrayThumbnailImage.Image)
            {
                Marshal.FreeHGlobal(thumbnail.Image);
            }

            Marshal.FreeHGlobal(nativeEntry.Title);
            Marshal.FreeHGlobal(nativeEntry.Subtitle);
            Marshal.FreeHGlobal(nativeEntry.CustomData);

            var result = MLResult.Create(resultCode);

            if (result.IsOk)
            {
                _watchHistory[entry.Id] = entry;
            }

            return(result);
        }
예제 #5
0
        /// <summary>
        /// Starts the screens object requests, Must be called to receive screens data from
        /// the underlying system
        /// </summary>
        protected override MLResult StartAPI()
        {
            MLResult.Code resultCode = MLScreensNativeBindings.MLScreensGetWatchHistoryList(ref _watchHistoryList);
            var           result     = MLResult.Create(resultCode);

            if (!result.IsOk)
            {
                MLPluginLog.ErrorFormat("MLScreens.StartAPI failed to retrieve saved screen information. Reason: {0}", result);
                return(result);
            }

            PopulateWatchHistory();
            resultCode = MLScreensNativeBindings.MLScreensReleaseWatchHistoryList(ref _watchHistoryList);
            result     = MLResult.Create(resultCode);
            if (!result.IsOk)
            {
                MLPluginLog.ErrorFormat("MLScreens.StartAPI failed to clean screens data. Reason: {0}", result);
                return(result);
            }

            _defaultGrayThumbnailImage = CreateGrayThumbnailImage();

            return(result);
        }