X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2FSystem.Drawing%2FSystem.Drawing.Drawing2D%2FMatrix.cs;h=5b2472891752d3ddc42fc9cf153d73bda2c438b2;hb=3d693eeb90339833968d66c3dc9fde2fa3ba2cef;hp=dfd28afc0db0c4b69093f9d36bb5080c1617c8c6;hpb=8731c62658838bf5ef8a34fbcbc0acbf1e217e2f;p=mono.git diff --git a/mcs/class/System.Drawing/System.Drawing.Drawing2D/Matrix.cs b/mcs/class/System.Drawing/System.Drawing.Drawing2D/Matrix.cs index dfd28afc0db..5b247289175 100644 --- a/mcs/class/System.Drawing/System.Drawing.Drawing2D/Matrix.cs +++ b/mcs/class/System.Drawing/System.Drawing.Drawing2D/Matrix.cs @@ -1,268 +1,331 @@ -// -// System.Drawing.Drawing2D.Matrix.cs -// -// Author: -// Stefan Maierhofer -// Dennis Hayes (dennish@Raytek.com) -// Duncan Mak (duncan@ximian.com) -// -// (C) Ximian, Inc. http://www.ximian.com -// - -using System; -using System.Drawing; -using System.Runtime.InteropServices; - -namespace System.Drawing.Drawing2D -{ - public sealed class Matrix : MarshalByRefObject, IDisposable - { - internal IntPtr nativeMatrix; - - // constructors - internal Matrix (IntPtr ptr) - { - nativeMatrix = ptr; - } - - public Matrix () - { - Status s = GDIPlus.GdipCreateMatrix (out nativeMatrix); - } - - public Matrix (Rectangle rect , Point[] plgpts) - { - GpRect rectangle = new GpRect (rect); - - GDIPlus.GdipCreateMatrix3I (rectangle, plgpts, out nativeMatrix); - } - - public Matrix (RectangleF rect , PointF[] pa) - { - GpRectF rectangle = new GpRectF (rect); - - GDIPlus.GdipCreateMatrix3 (rectangle, pa, out nativeMatrix); - } - - public Matrix (float m11, float m12, float m21, float m22, float dx, float dy) - { - GDIPlus.GdipCreateMatrix2 (m11, m12, m21, m22, dx, dy, out nativeMatrix); - } - - // properties - public float[] Elements { - get { - IntPtr tmp = Marshal.AllocHGlobal (8 * 6); - - Status s = GDIPlus.GdipGetMatrixElements (nativeMatrix, tmp); - - float [] retval = new float [6]; - - Marshal.Copy (tmp, retval, 0, 6); - - Marshal.FreeHGlobal (tmp); - return retval; - } - } - - public bool IsIdentity { - get { - bool retval; - GDIPlus.GdipIsMatrixIdentity (nativeMatrix, out retval); - - return retval; - } - } - - public bool IsInvertible { - get { - bool retval; - GDIPlus.GdipIsMatrixInvertible (nativeMatrix, out retval); - - return retval; - } - } - - public float OffsetX { - get { - return this.Elements [4]; - } - } - - public float OffsetY { - get { - return this.Elements [5]; - } - } - - public Matrix Clone() - { - IntPtr retval; - Status s = GDIPlus.GdipCloneMatrix (nativeMatrix, out retval); - return new Matrix (retval); - } - - - public void Dispose () - { - GDIPlus.GdipDeleteMatrix (nativeMatrix); - } - - public override bool Equals (object obj) - { - Matrix m = obj as Matrix; - - if (m != null) { - bool retval; - GDIPlus.GdipIsMatrixEqual (nativeMatrix, m.nativeMatrix, out retval); - - return retval; - - } else - return false; - } - - ~Matrix() - { - Dispose (); - } - - public override int GetHashCode () - { - return base.GetHashCode (); - } - - public void Invert () - { - GDIPlus.GdipInvertMatrix (nativeMatrix); - } - - public void Multiply (Matrix matrix) - { - Multiply (matrix, MatrixOrder.Prepend); - } - - public void Multiply (Matrix matrix, MatrixOrder order) - { - GDIPlus.GdipMultiplyMatrix (nativeMatrix, matrix.nativeMatrix, order); - } - - public void Reset() - { - GDIPlus.GdipSetMatrixElements (nativeMatrix, 1, 0, 0, 1, 0, 0); - } - - public override string ToString () - { - float [] elements = this.Elements; - - System.Text.StringBuilder sb = new System.Text.StringBuilder (); - - sb.Append ("("); - sb.Append (elements [0] + " "); - sb.Append (elements [1] + " "); - sb.Append (elements [2] + " "); - sb.Append (elements [3] + " "); - sb.Append (elements [4] + " "); - sb.Append (elements [5] + ")"); - return sb.ToString (); - } - - public void Rotate (float angle) - { - Rotate (angle, MatrixOrder.Prepend); - } - - public void Rotate (float angle, MatrixOrder order) - { - GDIPlus.GdipRotateMatrix (nativeMatrix, angle, order); - } - - public void RotateAt (float angle, PointF point) - { - RotateAt (angle, point, MatrixOrder.Prepend); - } - - public void RotateAt (float angle, PointF point, MatrixOrder order) - { - angle *= (float) (Math.PI / 180.0); // degrees to radians - float cos = (float) Math.Cos (angle); - float sin = (float) Math.Sin (angle); - float e4 = -point.X * cos + point.Y * sin + point.X; - float e5 = -point.X * sin - point.Y * cos + point.Y; - float[] m = this.Elements; - - if (order == MatrixOrder.Prepend) - GDIPlus.GdipSetMatrixElements (nativeMatrix, - cos * m[0] + sin * m[2], - cos * m[1] + sin * m[3], - -sin * m[0] + cos * m[2], - -sin * m[1] + cos * m[3], - e4 * m[0] + e5 * m[2] + m[4], - e4 * m[1] + e5 * m[3] + m[5]); - else - GDIPlus.GdipSetMatrixElements (nativeMatrix, - m[0] * cos + m[1] * -sin, - m[0] * sin + m[1] * cos, - m[2] * cos + m[3] * -sin, - m[2] * sin + m[3] * cos, - m[4] * cos + m[5] * -sin + e4, - m[4] * sin + m[5] * cos + e5); - } - - public void Scale (float scaleX, float scaleY) - { - Scale (scaleX, scaleY, MatrixOrder.Prepend); - } - - public void Scale (float scaleX, float scaleY, MatrixOrder order) - { - GDIPlus.GdipScaleMatrix (nativeMatrix, scaleX, scaleY, order); - } - - public void Shear (float shearX, float shearY) - { - Shear (shearX, shearY, MatrixOrder.Prepend); - } - - public void Shear (float shearX, float shearY, MatrixOrder order) - { - GDIPlus.GdipShearMatrix (nativeMatrix, shearX, shearY, order); - } - - public void TransformPoints (Point[] pts) - { - GDIPlus.GdipTransformMatrixPointsI (nativeMatrix, pts, pts.Length); - } - - public void TransformPoints (PointF[] pts) - { - GDIPlus.GdipTransformMatrixPoints (nativeMatrix, pts, pts.Length); - } - - public void TransformVectors (Point[] pts) - { - GDIPlus.GdipVectorTransformMatrixPointsI (nativeMatrix, pts, pts.Length); - } - - public void TransformVectors (PointF[] pts) - { - GDIPlus.GdipVectorTransformMatrixPoints (nativeMatrix, pts, pts.Length); - } - - public void Translate (float offsetX, float offsetY) - { - Translate (offsetX, offsetY, MatrixOrder.Prepend); - } - - public void Translate (float offsetX, float offsetY, MatrixOrder order) - { - GDIPlus.GdipTranslateMatrix (nativeMatrix, offsetX, offsetY, order); - } - - public void VectorTransformPoints (Point[] pts) - { - TransformVectors (pts); - } - } -} +// +// System.Drawing.Drawing2D.Matrix.cs +// +// Authors: +// Stefan Maierhofer +// Dennis Hayes (dennish@Raytek.com) +// Duncan Mak (duncan@ximian.com) +// Ravindra (rkumar@novell.com) +// +// (C) Ximian, Inc. http://www.ximian.com +// Copyright (C) 2004, 2006 Novell, Inc (http://www.novell.com) +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// + +using System.Runtime.InteropServices; + +namespace System.Drawing.Drawing2D +{ + public sealed class Matrix : MarshalByRefObject, IDisposable + { + internal IntPtr nativeMatrix; + + // constructors + internal Matrix (IntPtr ptr) + { + nativeMatrix = ptr; + } + + public Matrix () + { + Status status = GDIPlus.GdipCreateMatrix (out nativeMatrix); + GDIPlus.CheckStatus (status); + } + + public Matrix (Rectangle rect, Point[] plgpts) + { + if (plgpts == null) + throw new ArgumentNullException ("plgpts"); + if (plgpts.Length != 3) + throw new ArgumentException ("plgpts"); + + Status status = GDIPlus.GdipCreateMatrix3I (ref rect, plgpts, out nativeMatrix); + GDIPlus.CheckStatus (status); + } + + public Matrix (RectangleF rect, PointF[] plgpts) + { + if (plgpts == null) + throw new ArgumentNullException ("plgpts"); + if (plgpts.Length != 3) + throw new ArgumentException ("plgpts"); + + Status status = GDIPlus.GdipCreateMatrix3 (ref rect, plgpts, out nativeMatrix); + GDIPlus.CheckStatus (status); + } + + public Matrix (float m11, float m12, float m21, float m22, float dx, float dy) + { + Status status = GDIPlus.GdipCreateMatrix2 (m11, m12, m21, m22, dx, dy, out nativeMatrix); + GDIPlus.CheckStatus (status); + } + + // properties + public float[] Elements { + get { + float [] retval = new float [6]; + IntPtr tmp = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (float)) * 6); + try { + Status status = GDIPlus.GdipGetMatrixElements (nativeMatrix, tmp); + GDIPlus.CheckStatus (status); + Marshal.Copy (tmp, retval, 0, 6); + } + finally { + Marshal.FreeHGlobal (tmp); + } + return retval; + } + } + + public bool IsIdentity { + get { + bool retval; + Status status = GDIPlus.GdipIsMatrixIdentity (nativeMatrix, out retval); + GDIPlus.CheckStatus (status); + return retval; + } + } + + public bool IsInvertible { + get { + bool retval; + Status status = GDIPlus.GdipIsMatrixInvertible (nativeMatrix, out retval); + GDIPlus.CheckStatus (status); + return retval; + } + } + + public float OffsetX { + get { + return this.Elements [4]; + } + } + + public float OffsetY { + get { + return this.Elements [5]; + } + } + + public Matrix Clone() + { + IntPtr retval; + Status status = GDIPlus.GdipCloneMatrix (nativeMatrix, out retval); + GDIPlus.CheckStatus (status); + return new Matrix (retval); + } + + + public void Dispose () + { + if (nativeMatrix != IntPtr.Zero) { + Status status = GDIPlus.GdipDeleteMatrix (nativeMatrix); + GDIPlus.CheckStatus (status); + nativeMatrix = IntPtr.Zero; + } + + GC.SuppressFinalize (this); + } + + public override bool Equals (object obj) + { + Matrix m = obj as Matrix; + + if (m != null) { + bool retval; + Status status = GDIPlus.GdipIsMatrixEqual (nativeMatrix, m.nativeMatrix, out retval); + GDIPlus.CheckStatus (status); + return retval; + + } else + return false; + } + + ~Matrix() + { + Dispose (); + } + + public override int GetHashCode () + { + return base.GetHashCode (); + } + + public void Invert () + { + Status status = GDIPlus.GdipInvertMatrix (nativeMatrix); + GDIPlus.CheckStatus (status); + } + + public void Multiply (Matrix matrix) + { + Multiply (matrix, MatrixOrder.Prepend); + } + + public void Multiply (Matrix matrix, MatrixOrder order) + { + if (matrix == null) + throw new ArgumentNullException ("matrix"); + + Status status = GDIPlus.GdipMultiplyMatrix (nativeMatrix, matrix.nativeMatrix, order); + GDIPlus.CheckStatus (status); + } + + public void Reset() + { + Status status = GDIPlus.GdipSetMatrixElements (nativeMatrix, 1, 0, 0, 1, 0, 0); + GDIPlus.CheckStatus (status); + } + + public void Rotate (float angle) + { + Rotate (angle, MatrixOrder.Prepend); + } + + public void Rotate (float angle, MatrixOrder order) + { + Status status = GDIPlus.GdipRotateMatrix (nativeMatrix, angle, order); + GDIPlus.CheckStatus (status); + } + + public void RotateAt (float angle, PointF point) + { + RotateAt (angle, point, MatrixOrder.Prepend); + } + + public void RotateAt (float angle, PointF point, MatrixOrder order) + { + if ((order < MatrixOrder.Prepend) || (order > MatrixOrder.Append)) + throw new ArgumentException ("order"); + + angle *= (float) (Math.PI / 180.0); // degrees to radians + float cos = (float) Math.Cos (angle); + float sin = (float) Math.Sin (angle); + float e4 = -point.X * cos + point.Y * sin + point.X; + float e5 = -point.X * sin - point.Y * cos + point.Y; + float[] m = this.Elements; + + Status status; + + if (order == MatrixOrder.Prepend) + status = GDIPlus.GdipSetMatrixElements (nativeMatrix, + cos * m[0] + sin * m[2], + cos * m[1] + sin * m[3], + -sin * m[0] + cos * m[2], + -sin * m[1] + cos * m[3], + e4 * m[0] + e5 * m[2] + m[4], + e4 * m[1] + e5 * m[3] + m[5]); + else + status = GDIPlus.GdipSetMatrixElements (nativeMatrix, + m[0] * cos + m[1] * -sin, + m[0] * sin + m[1] * cos, + m[2] * cos + m[3] * -sin, + m[2] * sin + m[3] * cos, + m[4] * cos + m[5] * -sin + e4, + m[4] * sin + m[5] * cos + e5); + GDIPlus.CheckStatus (status); + } + + public void Scale (float scaleX, float scaleY) + { + Scale (scaleX, scaleY, MatrixOrder.Prepend); + } + + public void Scale (float scaleX, float scaleY, MatrixOrder order) + { + Status status = GDIPlus.GdipScaleMatrix (nativeMatrix, scaleX, scaleY, order); + GDIPlus.CheckStatus (status); + } + + public void Shear (float shearX, float shearY) + { + Shear (shearX, shearY, MatrixOrder.Prepend); + } + + public void Shear (float shearX, float shearY, MatrixOrder order) + { + Status status = GDIPlus.GdipShearMatrix (nativeMatrix, shearX, shearY, order); + GDIPlus.CheckStatus (status); + } + + public void TransformPoints (Point[] pts) + { + if (pts == null) + throw new ArgumentNullException ("pts"); + + Status status = GDIPlus.GdipTransformMatrixPointsI (nativeMatrix, pts, pts.Length); + GDIPlus.CheckStatus (status); + } + + public void TransformPoints (PointF[] pts) + { + if (pts == null) + throw new ArgumentNullException ("pts"); + + Status status = GDIPlus.GdipTransformMatrixPoints (nativeMatrix, pts, pts.Length); + GDIPlus.CheckStatus (status); + } + + public void TransformVectors (Point[] pts) + { + if (pts == null) + throw new ArgumentNullException ("pts"); + + Status status = GDIPlus.GdipVectorTransformMatrixPointsI (nativeMatrix, pts, pts.Length); + GDIPlus.CheckStatus (status); + } + + public void TransformVectors (PointF[] pts) + { + if (pts == null) + throw new ArgumentNullException ("pts"); + + Status status = GDIPlus.GdipVectorTransformMatrixPoints (nativeMatrix, pts, pts.Length); + GDIPlus.CheckStatus (status); + } + + public void Translate (float offsetX, float offsetY) + { + Translate (offsetX, offsetY, MatrixOrder.Prepend); + } + + public void Translate (float offsetX, float offsetY, MatrixOrder order) + { + Status status = GDIPlus.GdipTranslateMatrix (nativeMatrix, offsetX, offsetY, order); + GDIPlus.CheckStatus (status); + } + + public void VectorTransformPoints (Point[] pts) + { + TransformVectors (pts); + } + + internal IntPtr NativeObject + { + get{ + return nativeMatrix; + } + set { + nativeMatrix = value; + } + } + } +}