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]; }
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; }
unsafe internal static extern void MilUtility_GetTileBrushMapping( D3DMATRIX* transform, D3DMATRIX* relativeTransform, Stretch stretch, AlignmentX alignmentX, AlignmentY alignmentY, BrushMappingMode viewPortUnits, BrushMappingMode viewBoxUnits, Rect* shapeFillBounds, Rect* contentBounds, ref Rect viewport, ref Rect viewbox, out D3DMATRIX contentToShape, out int brushIsEmpty );
private extern static /*HRESULT*/ int MIL3DCalcProjected2DBounds( ref D3DMATRIX pFullTransform3D, ref MILRect3D pboxBounds, out MilRectF prcDestRect);