/// <summary>
/// Gets the bitmap resource.
/// </summary>
/// <param name="resourceManager">The resource manager.</param>
/// <param name="relativeUri">The relative URI.</param>
/// <param name="assemblyName">Name of the assembly.</param>
/// <returns>The bitmap, or null if not found.</returns>
public static BitmapImage GetBitmap(this IResourceManager resourceManager, string relativeUri, string assemblyName)
{
var stream = resourceManager.GetStream(relativeUri, assemblyName);
if (stream == null)
{
return(null);
}
using (stream)
{
var bmp = new BitmapImage();
#if SILVERLIGHT
bmp.SetSource(stream);
#else
bmp.BeginInit();
bmp.StreamSource = stream;
bmp.EndInit();
bmp.Freeze();
#endif
return(bmp);
}
}
public static Effect FromResource(Device device, string resourcePath)
{
IResourceManager resourceManager = IoC.Get <IResourceManager>();
Stream effectStream = resourceManager.GetStream(resourcePath, Assembly.GetExecutingAssembly().GetAssemblyName());
return(Effect.FromStream(device, effectStream, ShaderFlags.None));
}
/// <summary>
/// Gets the resource string.
/// </summary>
/// <param name="resourceManager">The resource manager.</param>
/// <param name="relativeUri">The relative URI.</param>
/// <param name="assemblyName">Name of the assembly.</param>
/// <returns>The string, or null if not found.</returns>
public static string GetString(this IResourceManager resourceManager, string relativeUri, string assemblyName)
{
var stream = resourceManager.GetStream(relativeUri, assemblyName);
if (stream == null)
{
return(null);
}
using (var reader = new StreamReader(stream))
{
return(reader.ReadToEnd());
}
}
/// <summary>
/// Gets the font source resource.
/// </summary>
/// <param name="resourceManager">The resource manager.</param>
/// <param name="relativeUri">The relative URI.</param>
/// <param name="assemblyName">Name of the assembly.</param>
/// <returns>The FontSource, or null if not found.</returns>
public static FontSource GetFontSource(this IResourceManager resourceManager, string relativeUri, string assemblyName)
{
var stream = resourceManager.GetStream(relativeUri, assemblyName);
if (stream == null)
{
return(null);
}
using (stream)
{
return(new FontSource(stream));
}
}
/// <summary>
/// Gets the xaml object resource.
/// </summary>
/// <param name="resourceManager">The resource manager.</param>
/// <param name="relativeUri">The relative URI.</param>
/// <param name="assemblyName">Name of the assembly.</param>
/// <returns>The xaml object, or null if not found.</returns>
public static object GetXamlObject(this IResourceManager resourceManager, string relativeUri, string assemblyName)
{
#if SILVERLIGHT
string str = resourceManager.GetString(relativeUri, assemblyName);
if (string.IsNullOrEmpty(str))
{
return(null);
}
return(XamlReader.Load(str));
#else
var stream = resourceManager.GetStream(relativeUri, assemblyName);
if (stream == null)
{
return(null);
}
using (stream)
{
return(XamlReader.Load(stream));
}
#endif
}
/// <summary>
/// Gets the resource stream using the default resource assembly.
/// </summary>
/// <param name="resourceManager">The resource manager.</param>
/// <param name="relativeUri">The relative URI.</param>
/// <returns>The stream, or null if not found.</returns>
public static Stream GetStream(this IResourceManager resourceManager, string relativeUri)
{
return(resourceManager.GetStream(relativeUri, DefaultResourceAssembly.GetAssemblyName()));
}
public ImageGenerator(IResourceManager resourceLoader)
{
const int width = 400;
const int height = 400;
// Create device and swap chain.
_device = new Device();
var swapChainPresenter = new WpfSwapChainPresenter();
_swapChain = _device.CreateSwapChain(width, height, swapChainPresenter);
_outputBitmap = swapChainPresenter.Bitmap;
_deviceContext = _device.ImmediateContext;
// Create RenderTargetView from the backbuffer.
var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
_renderTargetView = _device.CreateRenderTargetView(backBuffer);
// Create the depth buffer
var depthBuffer = _device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
BindFlags = BindFlags.DepthStencil
});
// Create the depth buffer view
_depthView = _device.CreateDepthStencilView(depthBuffer);
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/TechDemos/Resources/TextureSampling/Texture.fx", "VS", "vs_4_0");
var vertexShader = _device.CreateVertexShader(vertexShaderByteCode);
var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/TechDemos/Resources/TextureSampling/Texture.fx", "PS", "ps_4_1");
var pixelShader = _device.CreatePixelShader(pixelShaderByteCode);
// Layout from VertexShader input signature
var layout = _device.CreateInputLayout(
new[]
{
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0, 16)
}, vertexShaderByteCode);
// Instantiate Vertex buiffer from vertex data
var vertices = _device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
{
// 3D coordinates UV Texture coordinates
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Front
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, // BACK
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Top
-1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Bottom
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Left
-1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Right
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f
});
// Create Constant Buffer
_constantBuffer = _device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf<Matrix>(),
BindFlags = BindFlags.ConstantBuffer
});
// Load texture and create sampler
var textureStream = resourceLoader.GetStream(
"Modules/SampleBrowser/TechDemos/Resources/TextureSampling/CorrodedTiles.png",
GetType().Assembly.FullName);
var texture = TextureLoader.CreateTextureFromStream(_device, textureStream);
var textureView = _device.CreateShaderResourceView(texture);
// Prepare all the stages
_deviceContext.InputAssembler.InputLayout = layout;
_deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
_deviceContext.InputAssembler.SetVertexBuffers(0,
new VertexBufferBinding(vertices, 0, Utilities.SizeOf<Vector4>() + Utilities.SizeOf<Vector2>()));
_deviceContext.VertexShader.SetConstantBuffers(0, _constantBuffer);
_deviceContext.VertexShader.Shader = vertexShader;
_deviceContext.PixelShader.Shader = pixelShader;
_deviceContext.PixelShader.SetShaderResources(0, textureView);
// Setup targets and viewport for rendering
_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, _outputBitmap.PixelWidth, _outputBitmap.PixelHeight, 0.0f, 1.0f));
_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);
// Prepare matrices
_view = Matrix.LookAtRH(new Vector3(0.7f, 0, -1.7f), Vector3.BackwardRH, Vector3.UnitY);
_projection = Matrix.PerspectiveFovRH(MathUtil.PiOverFour,
_outputBitmap.PixelWidth / (float) _outputBitmap.PixelHeight, 0.1f, 100.0f);
}
public override WriteableBitmap Initialize(Device device)
{
const int width = 600;
const int height = 400;
// Create device and swap chain.
var swapChainPresenter = new WpfSwapChainPresenter();
_swapChain = device.CreateSwapChain(width, height, swapChainPresenter);
_deviceContext = device.ImmediateContext;
// Create RenderTargetView from the backbuffer.
var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
_renderTargetView = device.CreateRenderTargetView(backBuffer);
// Create the depth buffer
var depthBuffer = device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
BindFlags = BindFlags.DepthStencil
});
// Create the depth buffer view
_depthView = device.CreateDepthStencilView(depthBuffer);
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/MiniCubeTexture/MiniCubeTexture.fx", "VS", "vs_4_0");
var vertexShader = device.CreateVertexShader(vertexShaderByteCode);
var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/MiniCubeTexture/MiniCubeTexture.fx", "PS", "ps_4_0");
var pixelShader = device.CreatePixelShader(pixelShaderByteCode);
// Layout from VertexShader input signature
var layout = device.CreateInputLayout(
new[]
{
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0, 16)
}, vertexShaderByteCode);
// Instantiate Vertex buiffer from vertex data
var vertices = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
{
// 3D coordinates UV Texture coordinates
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Front
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, // BACK
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Top
-1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Bottom
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Left
-1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Right
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f
});
// Create Constant Buffer
_constantBuffer = device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf <Matrix>(),
BindFlags = BindFlags.ConstantBuffer
});
// Load texture and create sampler
var textureStream = _resourceLoader.GetStream(
"Modules/SampleBrowser/Samples/MiniCubeTexture/GeneticaMortarlessBlocks.jpg",
GetType().Assembly.FullName);
var texture = TextureLoader.CreateTextureFromStream(device, textureStream);
var textureView = device.CreateShaderResourceView(texture);
var sampler = device.CreateSamplerState(new SamplerStateDescription
{
Filter = Filter.MinMagMipPoint,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
BorderColor = Color4.Black,
ComparisonFunction = Comparison.Never,
MaximumAnisotropy = 16,
MipLodBias = 0,
MinimumLod = 0,
MaximumLod = 16,
});
// Prepare all the stages
_deviceContext.InputAssembler.InputLayout = layout;
_deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
_deviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertices, 0, Utilities.SizeOf <Vector4>() + Utilities.SizeOf <Vector2>()));
_deviceContext.VertexShader.SetConstantBuffers(0, _constantBuffer);
_deviceContext.VertexShader.Shader = vertexShader;
_deviceContext.PixelShader.Shader = pixelShader;
_deviceContext.PixelShader.SetSamplers(0, sampler);
_deviceContext.PixelShader.SetShaderResources(0, textureView);
// Setup targets and viewport for rendering
_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, width, height, 0.0f, 1.0f));
_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);
// Prepare matrices
_view = Matrix.LookAtLH(new Vector3(0, 0, -5), Vector3.Zero, Vector3.UnitY);
_projection = Matrix.PerspectiveFovLH(MathUtil.PiOverFour,
width / (float)height, 0.1f, 100.0f);
return(swapChainPresenter.Bitmap);
}
public ImageGenerator(IResourceManager resourceLoader)
{
const int width = 400;
const int height = 400;
// Create device and swap chain.
_device = new Device();
var swapChainPresenter = new WpfSwapChainPresenter();
_swapChain = _device.CreateSwapChain(width, height, swapChainPresenter);
_outputBitmap = swapChainPresenter.Bitmap;
_deviceContext = _device.ImmediateContext;
// Create RenderTargetView from the backbuffer.
var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
_renderTargetView = _device.CreateRenderTargetView(backBuffer);
// Create the depth buffer
var depthBuffer = _device.CreateTexture2D(new Texture2DDescription
{
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
BindFlags = BindFlags.DepthStencil
});
// Create the depth buffer view
_depthView = _device.CreateDepthStencilView(depthBuffer);
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/TechDemos/Resources/TextureSampling/Texture.fx", "VS", "vs_4_0");
var vertexShader = _device.CreateVertexShader(vertexShaderByteCode);
var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/TechDemos/Resources/TextureSampling/Texture.fx", "PS", "ps_4_1");
var pixelShader = _device.CreatePixelShader(pixelShaderByteCode);
// Layout from VertexShader input signature
var layout = _device.CreateInputLayout(
new[]
{
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0, 16)
}, vertexShaderByteCode);
// Instantiate Vertex buiffer from vertex data
var vertices = _device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
{
// 3D coordinates UV Texture coordinates
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Front
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, // BACK
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Top
-1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Bottom
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Left
-1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Right
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f
});
// Create Constant Buffer
_constantBuffer = _device.CreateBuffer(new BufferDescription
{
SizeInBytes = Utilities.SizeOf <Matrix>(),
BindFlags = BindFlags.ConstantBuffer
});
// Load texture and create sampler
var textureStream = resourceLoader.GetStream(
"Modules/SampleBrowser/TechDemos/Resources/TextureSampling/CorrodedTiles.png",
GetType().Assembly.FullName);
var texture = TextureLoader.CreateTextureFromStream(_device, textureStream);
var textureView = _device.CreateShaderResourceView(texture);
// Prepare all the stages
_deviceContext.InputAssembler.InputLayout = layout;
_deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
_deviceContext.InputAssembler.SetVertexBuffers(0,
new VertexBufferBinding(vertices, 0, Utilities.SizeOf <Vector4>() + Utilities.SizeOf <Vector2>()));
_deviceContext.VertexShader.SetConstantBuffers(0, _constantBuffer);
_deviceContext.VertexShader.Shader = vertexShader;
_deviceContext.PixelShader.Shader = pixelShader;
_deviceContext.PixelShader.SetShaderResources(0, textureView);
// Setup targets and viewport for rendering
_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, _outputBitmap.PixelWidth, _outputBitmap.PixelHeight, 0.0f, 1.0f));
_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);
// Prepare matrices
_view = Matrix.LookAtRH(new Vector3(0.7f, 0, -1.7f), Vector3.BackwardRH, Vector3.UnitY);
_projection = Matrix.PerspectiveFovRH(MathUtil.PiOverFour,
_outputBitmap.PixelWidth / (float)_outputBitmap.PixelHeight, 0.1f, 100.0f);
}