/// <summary>
/// Creates a new instance of the resource factory
/// </summary>
/// <param name="canvas">The DirectCanvasFactory this factory belongs to</param>
public ResourceFactory(DirectCanvasFactory canvas)
{
m_directCanvasFactory = canvas;
m_textureResourceOwner = new RenderTargetTexture(m_directCanvasFactory.DeviceContext.Device,
MINIMUM_RENDERTARGET_WIDTH,
MINIMUM_RENDERTARGET_HEIGHT);
m_renderTargetResourceOwner = new Direct2DRenderTarget(m_directCanvasFactory.DeviceContext,
m_textureResourceOwner.InternalDxgiSurface);
}
public virtual void Dispose()
{
if(SystemMemoryTexture != null)
{
SystemMemoryTexture.Dispose();
SystemMemoryTexture = null;
}
if(m_d2DRenderTarget != null)
{
m_d2DRenderTarget.Dispose();
m_d2DRenderTarget = null;
}
if (m_renderTargetTexture != null)
{
m_renderTargetTexture.Dispose();
m_renderTargetTexture = null;
}
if (m_textFormat != null)
{
m_textFormat.Dispose();
m_textFormat = null;
}
if(m_directWriteFactory != null)
{
m_directWriteFactory.Dispose();
m_directWriteFactory = null;
}
foreach (var stateBlock in m_stateStack)
{
stateBlock.Dispose();
}
m_stateStack.Clear();
}
/// <summary>
/// Creates a new instance of the DrawingLayer
/// </summary>
/// <param name="directCanvasFactory">The factory that the DrawingLayer belongs to</param>
/// <param name="renderTargetTexture">The Direct3D texture to use</param>
internal DrawingLayer(DirectCanvasFactory directCanvasFactory, RenderTargetTexture renderTargetTexture)
{
m_directCanvasFactory = directCanvasFactory;
m_format = renderTargetTexture.Description.Format;
m_drawStateManagement = new DrawStateManagement();
/* Set our Direct3D texture */
RenderTargetTexture = renderTargetTexture;
/* Create the Direct2D render target, using our Direct3D texture we were passed */
D2DRenderTarget = new Direct2DRenderTarget(m_directCanvasFactory.DeviceContext,
m_renderTargetTexture.InternalDxgiSurface,
m_format);
}
/// <summary>
/// Creates a new instance of the DrawingLayer
/// </summary>
/// <param name="directCanvasFactory">The factory that the DrawingLayer belongs to</param>
/// <param name="width">The pixel size in width to make the D3D texture</param>
/// <param name="height">The pixel size in height to make the D3D texture</param>
/// <param name="format">The color format to make the D3D texture</param>
/// <param name="optionFlags">Option flags to use on the creation of the D3D texture</param>
internal DrawingLayer(DirectCanvasFactory directCanvasFactory,
int width,
int height,
Format format = Format.B8G8R8A8_UNorm,
ResourceOptionFlags optionFlags = ResourceOptionFlags.None)
{
m_directCanvasFactory = directCanvasFactory;
m_format = format;
m_drawStateManagement = new DrawStateManagement();
var device = m_directCanvasFactory.DeviceContext.Device;
/* Create our Direct3D texture */
RenderTargetTexture = new RenderTargetTexture(device, width, height, m_format, optionFlags);
/* Create the Direct2D render target, using our Direct3D texture we just created */
D2DRenderTarget = new Direct2DRenderTarget(m_directCanvasFactory.DeviceContext,
m_renderTargetTexture.InternalDxgiSurface,
m_format);
}
public void Dispose()
{
if(m_renderTargetResourceOwner != null)
{
m_renderTargetResourceOwner.Dispose();
m_renderTargetResourceOwner = null;
}
if(m_textureResourceOwner != null)
{
m_textureResourceOwner.Dispose();
m_textureResourceOwner = null;
}
}
