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);
}
}
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);
}
}
