コード例 #1
0
        internal static async Task Render(CompositionEngine compositionEngine, SharpDX.Direct2D1.RenderTarget renderTarget, Jupiter.FrameworkElement rootElement, Jupiter.Controls.Image image)
        {
            var rect = image.GetBoundingRect(rootElement).ToSharpDX();
            if (rect.Width == 0 ||
                rect.Height == 0)
            {
                return;
            }

            var bitmap = await image.Source.ToSharpDX(renderTarget);

            if (bitmap == null)
            {
                return;
            }

            try
            {
                var layer = image.CreateAndPushLayerIfNecessary(renderTarget, rootElement);

                renderTarget.DrawBitmap(
                    bitmap,
                    rect,
                    (float)image.Opacity,
                    D2D.BitmapInterpolationMode.Linear);

                if (layer != null)
                {
                    renderTarget.PopLayer();
                    layer.Dispose();
                }
            }
            finally
            {
                bitmap.Dispose();
            }
        }