void ICyclicBrush.RenderForCyclicBrush(DUCE.Channel channel, bool skipChannelCheck) { Visual vVisual = Visual; // The Visual may have been registered for an asynchronous render, but may have been // disconnected from the VisualBrush since then. If so, don't bother to render here, if // the Visual is visible it will be rendered elsewhere. if (vVisual != null && vVisual.CheckFlagsAnd(VisualFlags.NodeIsCyclicBrushRoot)) { // ------------------------------------------------------------------------------------ // 1) Prepare the visual for rendering. // // Updates bounding boxes. // vVisual.Precompute(); // ------------------------------------------------------------------------------------ // 2) Prepare the render context. // RenderContext rc = new RenderContext(); rc.Initialize(channel, DUCE.ResourceHandle.Null); // ------------------------------------------------------------------------------------ // 3) Compile the scene. if (channel.IsConnected) { vVisual.Render(rc, 0); } else { // We can issue the release here instead of putting it in queue // since we are already in Render walk. ((DUCE.IResource)vVisual).ReleaseOnChannel(channel); } } _isAsyncRenderRegistered = false; }
static internal void Render( IntPtr pRenderTarget, DUCE.Channel channel, Visual visual, int width, int height, double dpiX, double dpiY, Matrix worldTransform, Rect windowClip ) { DUCE.Resource target = new DUCE.Resource(); DUCE.Resource root = new DUCE.Resource(); DUCE.ResourceHandle targetHandle = DUCE.ResourceHandle.Null; DUCE.ResourceHandle rootHandle = DUCE.ResourceHandle.Null; Matrix deviceTransform = new Matrix( dpiX * (1.0 / 96.0), 0, 0, dpiY * (1.0 / 96.0), 0, 0); deviceTransform = worldTransform * deviceTransform; MatrixTransform mtDeviceTransform = new MatrixTransform(deviceTransform); DUCE.ResourceHandle deviceTransformHandle = ((DUCE.IResource)mtDeviceTransform).AddRefOnChannel(channel); try { // ------------------------------------------------------------ // Create the composition target and root visual resources. target.CreateOrAddRefOnChannel(target, channel, DUCE.ResourceType.TYPE_GENERICRENDERTARGET); targetHandle = target.Handle; DUCE.CompositionTarget.PrintInitialize( targetHandle, pRenderTarget, width, height, channel); root.CreateOrAddRefOnChannel(root, channel, DUCE.ResourceType.TYPE_VISUAL); rootHandle = root.Handle; DUCE.CompositionNode.SetTransform( rootHandle, deviceTransformHandle, channel); DUCE.CompositionTarget.SetRoot( targetHandle, rootHandle, channel); channel.CloseBatch(); channel.Commit(); // ------------------------------------------------------------ // Render the freshly created target. RenderContext renderContext = new RenderContext(); renderContext.Initialize(channel, rootHandle); visual.Precompute(); visual.Render(renderContext, 0); // ------------------------------------------------------------ // Flush the channel and present the composition target. channel.CloseBatch(); channel.Commit(); channel.Present(); MediaContext mediaContext = MediaContext.CurrentMediaContext; mediaContext.NotifySyncChannelMessage(channel); } finally { // ------------------------------------------------------------ // Clean up and release the root visual. if (!rootHandle.IsNull) { DUCE.CompositionNode.RemoveAllChildren( rootHandle, channel); ((DUCE.IResource)visual).ReleaseOnChannel(channel); root.ReleaseOnChannel(channel); } // ------------------------------------------------------------ // Release the world transform. if (!deviceTransformHandle.IsNull) { ((DUCE.IResource)mtDeviceTransform).ReleaseOnChannel(channel); } // ------------------------------------------------------------ // Clean up and release the composition target. if (!targetHandle.IsNull) { DUCE.CompositionTarget.SetRoot( targetHandle, DUCE.ResourceHandle.Null, channel); target.ReleaseOnChannel(channel); } // ------------------------------------------------------------ // Flush the channel and present the composition target. channel.CloseBatch(); channel.Commit(); channel.Present(); MediaContext mediaContext = MediaContext.CurrentMediaContext; mediaContext.NotifySyncChannelMessage(channel); } }
static internal void Render( IntPtr pRenderTarget, DUCE.Channel channel, Visual visual, int width, int height, double dpiX, double dpiY, Matrix worldTransform, Rect windowClip ) { DUCE.Resource target = new DUCE.Resource(); DUCE.Resource root = new DUCE.Resource(); DUCE.ResourceHandle targetHandle = DUCE.ResourceHandle.Null; DUCE.ResourceHandle rootHandle = DUCE.ResourceHandle.Null; Matrix deviceTransform = new Matrix( dpiX * (1.0 / 96.0), 0, 0, dpiY * (1.0 / 96.0), 0, 0); deviceTransform = worldTransform * deviceTransform; MatrixTransform mtDeviceTransform = new MatrixTransform(deviceTransform); DUCE.ResourceHandle deviceTransformHandle = ((DUCE.IResource)mtDeviceTransform).AddRefOnChannel(channel); try { // ------------------------------------------------------------ // Create the composition target and root visual resources. target.CreateOrAddRefOnChannel(target, channel, DUCE.ResourceType.TYPE_GENERICRENDERTARGET); targetHandle = target.Handle; DUCE.CompositionTarget.PrintInitialize( targetHandle, pRenderTarget, width, height, channel); root.CreateOrAddRefOnChannel(root, channel, DUCE.ResourceType.TYPE_VISUAL); rootHandle = root.Handle; DUCE.CompositionNode.SetTransform( rootHandle, deviceTransformHandle, channel); DUCE.CompositionTarget.SetRoot( targetHandle, rootHandle, channel); channel.CloseBatch(); channel.Commit(); // ------------------------------------------------------------ // Render the freshly created target. RenderContext renderContext = new RenderContext(); renderContext.Initialize(channel, rootHandle); visual.Precompute(); visual.Render(renderContext, 0); // ------------------------------------------------------------ // Flush the channel and present the composition target. channel.CloseBatch(); channel.Commit(); channel.Present(); MediaContext mediaContext = MediaContext.CurrentMediaContext; mediaContext.NotifySyncChannelMessage(channel); } finally { // ------------------------------------------------------------ // Clean up and release the root visual. if (!rootHandle.IsNull) { DUCE.CompositionNode.RemoveAllChildren( rootHandle, channel); ((DUCE.IResource)visual).ReleaseOnChannel(channel); root.ReleaseOnChannel(channel); } // ------------------------------------------------------------ // Release the world transform. if (!deviceTransformHandle.IsNull) { ((DUCE.IResource)mtDeviceTransform).ReleaseOnChannel(channel); } // ------------------------------------------------------------ // Clean up and release the composition target. if (!targetHandle.IsNull) { DUCE.CompositionTarget.SetRoot( targetHandle, DUCE.ResourceHandle.Null, channel); target.ReleaseOnChannel(channel); } // ------------------------------------------------------------ // Flush the channel and present the composition target. channel.CloseBatch(); channel.Commit(); channel.Present(); MediaContext mediaContext = MediaContext.CurrentMediaContext; mediaContext.NotifySyncChannelMessage(channel); } }