Пример #1
0
        private async Task <ImageSource> LoadImageFromURL(String sUri, EventHandler <ImageSource> UpdateImageEvent)
        {
            var threadID = m_IThreading.GetCurrentThreadID().ToString();

            System.Diagnostics.Debug.WriteLine(threadID + "LoadImageFromURL");
            var source = new UriImageSource
            {
                Uri            = new Uri(sUri),
                CachingEnabled = false
            };

            //Stream imageStream = new System.IO.MemoryStream();
            var asyncUrlDownload = new AsyncUrlDownload(m_IThreading);
            var stream           = await asyncUrlDownload.DownloadHttpToArray(sUri);

            //var bmpConverter = new LoadImageFormats();
            //processImage.inputImage = bmpConverter.BMPToImage(stream);
            if (stream.Item1)
            {
                ImageProperties imgProp = await GetImageProperties(stream.Item2);

                //System.Diagnostics.Debug.WriteLine(threadID + "LoadImageFromURL - res {0}x{1} depth {2} compression {3} subComp {4} inSize {5} outSize {6}",
                //    imgProp.width, imgProp.height, imgProp.bitDepth, imgProp.compressionType, imgProp.subCompressionType, imgProp.inSize, imgProp.outRealSize);
                processImage.inputImage = new InputImage(imgProp.outBuf.pBuf, (int)(imgProp.width * imgProp.bitDepth / 8.0), imgProp.width, imgProp.height, (int)(imgProp.bitDepth / 8.0));
                CanExecuteProcess       = true;
                UpdateImageEvent(this, source);
            }
            return(source);
        }
Пример #2
0
        private async Task <ImageSource> LoadImageFromFile(String sUri)
        {
            var threadID = m_IThreading.GetCurrentThreadID().ToString();

            System.Diagnostics.Debug.WriteLine(threadID + "LoadImageFromURL");
            var fileStream = await m_IFileSupport.FileToStream(sUri);

            ImageFormat format = await m_IImageSupport.GetFormatImageFileAsync(fileStream);

            ImageSource source           = ImageSource.FromStream(() => fileStream);
            Stream      imageStream      = new System.IO.MemoryStream();
            var         asyncUrlDownload = new AsyncUrlDownload(m_IThreading);
            var         streamBMP        = await asyncUrlDownload.DownloadHttpToArray(sUri);


            if (streamBMP.Item1)
            {
                var bmpConverter = new LoadImageFormats();
                processImage.inputImage = bmpConverter.BMPToImage(streamBMP.Item2);
            }

            CanExecuteProcess = true;
            return(source);
        }