Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Media / MILUtilities.cs / 1 / MILUtilities.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
using System;
using System.Diagnostics;
using System.Security;
using System.Windows.Media;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using MS.Internal;
using System.Runtime.InteropServices;
using Microsoft.Internal;
namespace System.Windows.Media
{
internal static class MILUtilities
{
internal static readonly D3DMATRIX D3DMATRIXIdentity =
new D3DMATRIX(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1);
///
/// Converts a System.Windows.Media.Matrix to a D3DMATRIX.
///
/// Input Matrix to convert
/// Output convered D3DMATRIX
///
/// Critical -- references and writes out to memory addresses. The
/// caller is safe if the first pointer points to a
/// constant Matrix value and the second points to a
/// D3DMATRIX value.
///
[SecurityCritical]
internal static unsafe void ConvertToD3DMATRIX(
/* in */ Matrix* matrix,
/* out */ D3DMATRIX* d3dMatrix
)
{
*d3dMatrix = D3DMATRIXIdentity;
float* pD3DMatrix = (float*)d3dMatrix;
double* pMatrix = (double*)matrix;
// m11 = m11
pD3DMatrix[0] = (float)pMatrix[0];
// m12 = m12
pD3DMatrix[1] = (float)pMatrix[1];
// m21 = m21
pD3DMatrix[4] = (float)pMatrix[2];
// m22 = m22
pD3DMatrix[5] = (float)pMatrix[3];
// m41 = offsetX
pD3DMatrix[12] = (float)pMatrix[4];
// m42 = offsetY
pD3DMatrix[13] = (float)pMatrix[5];
}
///
/// Converts a D3DMATRIX to a System.Windows.Media.Matrix.
///
/// Input D3DMATRIX to convert
/// Output converted Matrix
///
/// Critical -- references and writes out to memory addresses. The
/// caller is safe if the first pointer points to a
/// constant D3DMATRIX value and the second points to a
/// Matrix value.
///
[SecurityCritical]
internal static unsafe void ConvertFromD3DMATRIX(
/* in */ D3DMATRIX* d3dMatrix,
/* out */ Matrix* matrix
)
{
float* pD3DMatrix = (float*)d3dMatrix;
double* pMatrix = (double*)matrix;
//
// Convert first D3DMatrix Vector
//
pMatrix[0] = (double) pD3DMatrix[0]; // m11 = m11
pMatrix[1] = (double) pD3DMatrix[1]; // m12 = m12
// Assert that non-affine fields are identity or NaN
//
// Multiplication with an affine 2D matrix (i.e., a matrix
// with only _11, _12, _21, _22, _41, & _42 set to non-identity
// values) containing NaN's, can cause the NaN's to propagate to
// all other fields. Thus, we allow NaN's in addition to
// identity values.
Debug.Assert(pD3DMatrix[2] == 0.0f || Single.IsNaN(pD3DMatrix[2]));
Debug.Assert(pD3DMatrix[3] == 0.0f || Single.IsNaN(pD3DMatrix[3]));
//
// Convert second D3DMatrix Vector
//
pMatrix[2] = (double) pD3DMatrix[4]; // m21 = m21
pMatrix[3] = (double) pD3DMatrix[5]; // m22 = m22
Debug.Assert(pD3DMatrix[6] == 0.0f || Single.IsNaN(pD3DMatrix[6]));
Debug.Assert(pD3DMatrix[7] == 0.0f || Single.IsNaN(pD3DMatrix[7]));
//
// Convert third D3DMatrix Vector
//
Debug.Assert(pD3DMatrix[8] == 0.0f || Single.IsNaN(pD3DMatrix[8]));
Debug.Assert(pD3DMatrix[9] == 0.0f || Single.IsNaN(pD3DMatrix[9]));
Debug.Assert(pD3DMatrix[10] == 1.0f || Single.IsNaN(pD3DMatrix[10]));
Debug.Assert(pD3DMatrix[11] == 0.0f || Single.IsNaN(pD3DMatrix[11]));
//
// Convert fourth D3DMatrix Vector
//
pMatrix[4] = (double) pD3DMatrix[12]; // m41 = offsetX
pMatrix[5] = (double) pD3DMatrix[13]; // m42 = offsetY
Debug.Assert(pD3DMatrix[14] == 0.0f || Single.IsNaN(pD3DMatrix[14]));
Debug.Assert(pD3DMatrix[15] == 1.0f || Single.IsNaN(pD3DMatrix[15]));
*((MatrixTypes*)(pMatrix+6)) = MatrixTypes.TRANSFORM_IS_UNKNOWN;
}
[StructLayout(LayoutKind.Sequential)]
internal struct MILRect3D
{
public MILRect3D(ref Rect3D rect)
{
X = (float)rect.X;
Y = (float)rect.Y;
Z = (float)rect.Z;
LengthX = (float)rect.SizeX;
LengthY = (float)rect.SizeY;
LengthZ = (float)rect.SizeZ;
}
public float X;
public float Y;
public float Z;
public float LengthX;
public float LengthY;
public float LengthZ;
}
[StructLayout(LayoutKind.Sequential)]
internal struct MilRectF
{
public float Left;
public float Top;
public float Right;
public float Bottom;
};
///
/// Critical as this code performs an elevation.
///
/// It's safe because it's just doing matrix math.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(DllImport.MilCore)]
private extern static /*HRESULT*/ int MIL3DCalcProjected2DBounds(
ref D3DMATRIX pFullTransform3D,
ref MILRect3D pboxBounds,
out MilRectF prcDestRect);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(DllImport.MilCore)]
private extern static /*HRESULT*/ int MIL3DCalcBrushToIdealSampleSpace(
ref D3DMATRIX pDeviceTransform,
ref MILRect3D mesh3DBox,
ref MilRectF rcBrushSampleBounds,
out D3DMATRIX matBrushSpaceToSampleSpace);
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(DllImport.MilCore, EntryPoint = "MilUtility_CopyPixelBuffer", PreserveSig = false)]
internal extern static unsafe void MILCopyPixelBuffer(
byte * pOutputBuffer,
uint outputBufferSize,
uint outputBufferStride,
uint outputBufferOffsetInBits,
byte * pInputBuffer,
uint inputBufferSize,
uint inputBufferStride,
uint inputBufferOffsetInBits,
uint height,
uint copyWidthInBits
);
///
/// Critical - Calls a critical function - MIL3DCalcBrushToIdealSampleSpace.
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void CalcMesh3DBrushAndSampleSpace(
/* in */ ref Matrix3D deviceTransform, // ref for performance
/* in */ ref Rect3D mesh3DBox, // ref for performance
/* in */ ref Rect brushSampleBounds, // ref for performance
out Matrix brushSpaceToIdealSampleSpace)
{
// Do a bunch of conversions to milcore types.
D3DMATRIX world3D = CompositionResourceManager.Matrix3DToD3DMATRIX(deviceTransform);
MILRect3D mb = new MILRect3D(ref mesh3DBox);
MilRectF bsb = new MilRectF();
bsb.Left = (float)brushSampleBounds.X;
bsb.Top = (float)brushSampleBounds.Y;
bsb.Right = (float)(brushSampleBounds.X + brushSampleBounds.Width);
bsb.Bottom = (float)(brushSampleBounds.Y + brushSampleBounds.Height);
D3DMATRIX d3dbrushSpaceToIdealSampleSpace;
HRESULT.Check(
MIL3DCalcBrushToIdealSampleSpace(
ref world3D,
ref mb,
ref bsb,
out d3dbrushSpaceToIdealSampleSpace));
Debug.Assert(
(d3dbrushSpaceToIdealSampleSpace._12 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._13 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._14 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._21 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._23 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._24 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._31 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._32 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._33 == 1.0f) &&
(d3dbrushSpaceToIdealSampleSpace._34 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._41 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._42 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._43 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._44 == 1.0f),
"MIL3DCalcBrushToIdealSampleSpace must only return a 2D scale transform.");
brushSpaceToIdealSampleSpace = Matrix.CreateScaling(
d3dbrushSpaceToIdealSampleSpace._11,
d3dbrushSpaceToIdealSampleSpace._22);
}
///
/// Critical - Calls a critical function -- MilCalcProjectedBounds
/// TreatAsSafe - It only does math on the given matrices.
///
[SecurityCritical, SecurityTreatAsSafe]
internal static Rect ProjectBounds(
ref Matrix3D viewProjMatrix,
ref Rect3D originalBox)
{
D3DMATRIX viewProjFloatMatrix = CompositionResourceManager.Matrix3DToD3DMATRIX(viewProjMatrix);
MILRect3D originalBoxFloat = new MILRect3D(ref originalBox);
MilRectF outRect = new MilRectF();
HRESULT.Check(
MIL3DCalcProjected2DBounds(
ref viewProjFloatMatrix,
ref originalBoxFloat,
out outRect));
if (outRect.Left == outRect.Right ||
outRect.Top == outRect.Bottom)
{
return Rect.Empty;
}
else
{
return new Rect(
outRect.Left,
outRect.Top,
outRect.Right - outRect.Left,
outRect.Bottom - outRect.Top
);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
using System;
using System.Diagnostics;
using System.Security;
using System.Windows.Media;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using MS.Internal;
using System.Runtime.InteropServices;
using Microsoft.Internal;
namespace System.Windows.Media
{
internal static class MILUtilities
{
internal static readonly D3DMATRIX D3DMATRIXIdentity =
new D3DMATRIX(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1);
///
/// Converts a System.Windows.Media.Matrix to a D3DMATRIX.
///
/// Input Matrix to convert
/// Output convered D3DMATRIX
///
/// Critical -- references and writes out to memory addresses. The
/// caller is safe if the first pointer points to a
/// constant Matrix value and the second points to a
/// D3DMATRIX value.
///
[SecurityCritical]
internal static unsafe void ConvertToD3DMATRIX(
/* in */ Matrix* matrix,
/* out */ D3DMATRIX* d3dMatrix
)
{
*d3dMatrix = D3DMATRIXIdentity;
float* pD3DMatrix = (float*)d3dMatrix;
double* pMatrix = (double*)matrix;
// m11 = m11
pD3DMatrix[0] = (float)pMatrix[0];
// m12 = m12
pD3DMatrix[1] = (float)pMatrix[1];
// m21 = m21
pD3DMatrix[4] = (float)pMatrix[2];
// m22 = m22
pD3DMatrix[5] = (float)pMatrix[3];
// m41 = offsetX
pD3DMatrix[12] = (float)pMatrix[4];
// m42 = offsetY
pD3DMatrix[13] = (float)pMatrix[5];
}
///
/// Converts a D3DMATRIX to a System.Windows.Media.Matrix.
///
/// Input D3DMATRIX to convert
/// Output converted Matrix
///
/// Critical -- references and writes out to memory addresses. The
/// caller is safe if the first pointer points to a
/// constant D3DMATRIX value and the second points to a
/// Matrix value.
///
[SecurityCritical]
internal static unsafe void ConvertFromD3DMATRIX(
/* in */ D3DMATRIX* d3dMatrix,
/* out */ Matrix* matrix
)
{
float* pD3DMatrix = (float*)d3dMatrix;
double* pMatrix = (double*)matrix;
//
// Convert first D3DMatrix Vector
//
pMatrix[0] = (double) pD3DMatrix[0]; // m11 = m11
pMatrix[1] = (double) pD3DMatrix[1]; // m12 = m12
// Assert that non-affine fields are identity or NaN
//
// Multiplication with an affine 2D matrix (i.e., a matrix
// with only _11, _12, _21, _22, _41, & _42 set to non-identity
// values) containing NaN's, can cause the NaN's to propagate to
// all other fields. Thus, we allow NaN's in addition to
// identity values.
Debug.Assert(pD3DMatrix[2] == 0.0f || Single.IsNaN(pD3DMatrix[2]));
Debug.Assert(pD3DMatrix[3] == 0.0f || Single.IsNaN(pD3DMatrix[3]));
//
// Convert second D3DMatrix Vector
//
pMatrix[2] = (double) pD3DMatrix[4]; // m21 = m21
pMatrix[3] = (double) pD3DMatrix[5]; // m22 = m22
Debug.Assert(pD3DMatrix[6] == 0.0f || Single.IsNaN(pD3DMatrix[6]));
Debug.Assert(pD3DMatrix[7] == 0.0f || Single.IsNaN(pD3DMatrix[7]));
//
// Convert third D3DMatrix Vector
//
Debug.Assert(pD3DMatrix[8] == 0.0f || Single.IsNaN(pD3DMatrix[8]));
Debug.Assert(pD3DMatrix[9] == 0.0f || Single.IsNaN(pD3DMatrix[9]));
Debug.Assert(pD3DMatrix[10] == 1.0f || Single.IsNaN(pD3DMatrix[10]));
Debug.Assert(pD3DMatrix[11] == 0.0f || Single.IsNaN(pD3DMatrix[11]));
//
// Convert fourth D3DMatrix Vector
//
pMatrix[4] = (double) pD3DMatrix[12]; // m41 = offsetX
pMatrix[5] = (double) pD3DMatrix[13]; // m42 = offsetY
Debug.Assert(pD3DMatrix[14] == 0.0f || Single.IsNaN(pD3DMatrix[14]));
Debug.Assert(pD3DMatrix[15] == 1.0f || Single.IsNaN(pD3DMatrix[15]));
*((MatrixTypes*)(pMatrix+6)) = MatrixTypes.TRANSFORM_IS_UNKNOWN;
}
[StructLayout(LayoutKind.Sequential)]
internal struct MILRect3D
{
public MILRect3D(ref Rect3D rect)
{
X = (float)rect.X;
Y = (float)rect.Y;
Z = (float)rect.Z;
LengthX = (float)rect.SizeX;
LengthY = (float)rect.SizeY;
LengthZ = (float)rect.SizeZ;
}
public float X;
public float Y;
public float Z;
public float LengthX;
public float LengthY;
public float LengthZ;
}
[StructLayout(LayoutKind.Sequential)]
internal struct MilRectF
{
public float Left;
public float Top;
public float Right;
public float Bottom;
};
///
/// Critical as this code performs an elevation.
///
/// It's safe because it's just doing matrix math.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(DllImport.MilCore)]
private extern static /*HRESULT*/ int MIL3DCalcProjected2DBounds(
ref D3DMATRIX pFullTransform3D,
ref MILRect3D pboxBounds,
out MilRectF prcDestRect);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(DllImport.MilCore)]
private extern static /*HRESULT*/ int MIL3DCalcBrushToIdealSampleSpace(
ref D3DMATRIX pDeviceTransform,
ref MILRect3D mesh3DBox,
ref MilRectF rcBrushSampleBounds,
out D3DMATRIX matBrushSpaceToSampleSpace);
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(DllImport.MilCore, EntryPoint = "MilUtility_CopyPixelBuffer", PreserveSig = false)]
internal extern static unsafe void MILCopyPixelBuffer(
byte * pOutputBuffer,
uint outputBufferSize,
uint outputBufferStride,
uint outputBufferOffsetInBits,
byte * pInputBuffer,
uint inputBufferSize,
uint inputBufferStride,
uint inputBufferOffsetInBits,
uint height,
uint copyWidthInBits
);
///
/// Critical - Calls a critical function - MIL3DCalcBrushToIdealSampleSpace.
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void CalcMesh3DBrushAndSampleSpace(
/* in */ ref Matrix3D deviceTransform, // ref for performance
/* in */ ref Rect3D mesh3DBox, // ref for performance
/* in */ ref Rect brushSampleBounds, // ref for performance
out Matrix brushSpaceToIdealSampleSpace)
{
// Do a bunch of conversions to milcore types.
D3DMATRIX world3D = CompositionResourceManager.Matrix3DToD3DMATRIX(deviceTransform);
MILRect3D mb = new MILRect3D(ref mesh3DBox);
MilRectF bsb = new MilRectF();
bsb.Left = (float)brushSampleBounds.X;
bsb.Top = (float)brushSampleBounds.Y;
bsb.Right = (float)(brushSampleBounds.X + brushSampleBounds.Width);
bsb.Bottom = (float)(brushSampleBounds.Y + brushSampleBounds.Height);
D3DMATRIX d3dbrushSpaceToIdealSampleSpace;
HRESULT.Check(
MIL3DCalcBrushToIdealSampleSpace(
ref world3D,
ref mb,
ref bsb,
out d3dbrushSpaceToIdealSampleSpace));
Debug.Assert(
(d3dbrushSpaceToIdealSampleSpace._12 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._13 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._14 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._21 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._23 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._24 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._31 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._32 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._33 == 1.0f) &&
(d3dbrushSpaceToIdealSampleSpace._34 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._41 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._42 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._43 == 0) &&
(d3dbrushSpaceToIdealSampleSpace._44 == 1.0f),
"MIL3DCalcBrushToIdealSampleSpace must only return a 2D scale transform.");
brushSpaceToIdealSampleSpace = Matrix.CreateScaling(
d3dbrushSpaceToIdealSampleSpace._11,
d3dbrushSpaceToIdealSampleSpace._22);
}
///
/// Critical - Calls a critical function -- MilCalcProjectedBounds
/// TreatAsSafe - It only does math on the given matrices.
///
[SecurityCritical, SecurityTreatAsSafe]
internal static Rect ProjectBounds(
ref Matrix3D viewProjMatrix,
ref Rect3D originalBox)
{
D3DMATRIX viewProjFloatMatrix = CompositionResourceManager.Matrix3DToD3DMATRIX(viewProjMatrix);
MILRect3D originalBoxFloat = new MILRect3D(ref originalBox);
MilRectF outRect = new MilRectF();
HRESULT.Check(
MIL3DCalcProjected2DBounds(
ref viewProjFloatMatrix,
ref originalBoxFloat,
out outRect));
if (outRect.Left == outRect.Right ||
outRect.Top == outRect.Bottom)
{
return Rect.Empty;
}
else
{
return new Rect(
outRect.Left,
outRect.Top,
outRect.Right - outRect.Left,
outRect.Bottom - outRect.Top
);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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