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Diffstat (limited to 'mcs/class/System.Drawing/System.Drawing.Drawing2D/LinearGradientBrush.cs')
| -rw-r--r-- | mcs/class/System.Drawing/System.Drawing.Drawing2D/LinearGradientBrush.cs | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/System.Drawing.Drawing2D/LinearGradientBrush.cs b/mcs/class/System.Drawing/System.Drawing.Drawing2D/LinearGradientBrush.cs new file mode 100644 index 00000000000..88bfcc8744f --- /dev/null +++ b/mcs/class/System.Drawing/System.Drawing.Drawing2D/LinearGradientBrush.cs @@ -0,0 +1,348 @@ +// +// System.Drawing.Drawing2D.LinearGradientBrush.cs +// +// Authors: +// Dennis Hayes (dennish@Raytek.com) +// Ravindra (rkumar@novell.com) +// +// Copyright (C) 2002/3 Ximian, Inc. http://www.ximian.com +// +// Copyright (C) 2004 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.Drawing; + +namespace System.Drawing.Drawing2D +{ + /// <summary> + /// Summary description for LinearGradientBrush. + /// </summary> + public sealed class LinearGradientBrush : Brush + { + RectangleF rectangle; + + internal LinearGradientBrush (IntPtr native) : base (native) + { + } + + public LinearGradientBrush (Point point1, Point point2, Color color1, Color color2) + { + Status status = GDIPlus.GdipCreateLineBrushI (ref point1, ref point2, color1.ToArgb (), color2.ToArgb (), WrapMode.Tile, out nativeObject); + GDIPlus.CheckStatus (status); + + Rectangle rect; + status = GDIPlus.GdipGetLineRectI (nativeObject, out rect); + GDIPlus.CheckStatus (status); + rectangle = (RectangleF) rect; + } + + public LinearGradientBrush (PointF point1, PointF point2, Color color1, Color color2) + { + Status status = GDIPlus.GdipCreateLineBrush (ref point1, ref point2, color1.ToArgb (), color2.ToArgb (), WrapMode.Tile, out nativeObject); + GDIPlus.CheckStatus (status); + + status = GDIPlus.GdipGetLineRect (nativeObject, out rectangle); + GDIPlus.CheckStatus (status); + } + + public LinearGradientBrush (Rectangle rect, Color color1, Color color2, LinearGradientMode linearGradientMode) + { + Status status = GDIPlus.GdipCreateLineBrushFromRectI (ref rect, color1.ToArgb (), color2.ToArgb (), linearGradientMode, WrapMode.Tile, out nativeObject); + GDIPlus.CheckStatus (status); + + rectangle = (RectangleF) rect; + } + + public LinearGradientBrush (Rectangle rect, Color color1, Color color2, float angle) : this (rect, color1, color2, angle, false) + { + } + + public LinearGradientBrush (RectangleF rect, Color color1, Color color2, LinearGradientMode linearGradientMode) + { + Status status = GDIPlus.GdipCreateLineBrushFromRect (ref rect, color1.ToArgb (), color2.ToArgb (), linearGradientMode, WrapMode.Tile, out nativeObject); + GDIPlus.CheckStatus (status); + + rectangle = rect; + } + + public LinearGradientBrush (RectangleF rect, Color color1, Color color2, float angle) : this (rect, color1, color2, angle, false) + { + } + + public LinearGradientBrush (Rectangle rect, Color color1, Color color2, float angle, bool isAngleScaleable) + { + Status status = GDIPlus.GdipCreateLineBrushFromRectWithAngleI (ref rect, color1.ToArgb (), color2.ToArgb (), angle, isAngleScaleable, WrapMode.Tile, out nativeObject); + GDIPlus.CheckStatus (status); + + rectangle = (RectangleF) rect; + } + + public LinearGradientBrush (RectangleF rect, Color color1, Color color2, float angle, bool isAngleScaleable) + { + Status status = GDIPlus.GdipCreateLineBrushFromRectWithAngle (ref rect, color1.ToArgb (), color2.ToArgb (), angle, isAngleScaleable, WrapMode.Tile, out nativeObject); + GDIPlus.CheckStatus (status); + + rectangle = rect; + } + + // Public Properties + + public Blend Blend { + get { + int count; + Status status = GDIPlus.GdipGetLineBlendCount (nativeObject, out count); + GDIPlus.CheckStatus (status); + float [] factors = new float [count]; + float [] positions = new float [count]; + status = GDIPlus.GdipGetLineBlend (nativeObject, factors, positions, count); + GDIPlus.CheckStatus (status); + + Blend blend = new Blend (); + blend.Factors = factors; + blend.Positions = positions; + + return blend; + } + set { + int count; + float [] factors = value.Factors; + float [] positions = value.Positions; + count = factors.Length; + + if (count == 0 || positions.Length == 0) + throw new ArgumentException ("Invalid Blend object. It should have at least 2 elements in each of the factors and positions arrays."); + + if (count != positions.Length) + throw new ArgumentException ("Invalid Blend object. It should contain the same number of factors and positions values."); + + if (positions [0] != 0.0F) + throw new ArgumentException ("Invalid Blend object. The positions array must have 0.0 as its first element."); + + if (positions [count - 1] != 1.0F) + throw new ArgumentException ("Invalid Blend object. The positions array must have 1.0 as its last element."); + + Status status = GDIPlus.GdipSetLineBlend (nativeObject, factors, positions, count); + GDIPlus.CheckStatus (status); + } + } + + public bool GammaCorrection { + get { + bool gammaCorrection; + Status status = GDIPlus.GdipGetLineGammaCorrection (nativeObject, out gammaCorrection); + GDIPlus.CheckStatus (status); + return gammaCorrection; + } + set { + Status status = GDIPlus.GdipSetLineGammaCorrection (nativeObject, value); + GDIPlus.CheckStatus (status); + } + } + + public ColorBlend InterpolationColors { + get { + int count; + Status status = GDIPlus.GdipGetLinePresetBlendCount (nativeObject, out count); + GDIPlus.CheckStatus (status); + int [] intcolors = new int [count]; + float [] positions = new float [count]; + status = GDIPlus.GdipGetLinePresetBlend (nativeObject, intcolors, positions, count); + GDIPlus.CheckStatus (status); + + ColorBlend interpolationColors = new ColorBlend (); + Color [] colors = new Color [count]; + for (int i = 0; i < count; i++) + colors [i] = Color.FromArgb (intcolors [i]); + interpolationColors.Colors = colors; + interpolationColors.Positions = positions; + + return interpolationColors; + } + set { + int count; + Color [] colors = value.Colors; + float [] positions = value.Positions; + count = colors.Length; + + if (count == 0 || positions.Length == 0) + throw new ArgumentException ("Invalid ColorBlend object. It should have at least 2 elements in each of the colors and positions arrays."); + + if (count != positions.Length) + throw new ArgumentException ("Invalid ColorBlend object. It should contain the same number of positions and color values."); + + if (positions [0] != 0.0F) + throw new ArgumentException ("Invalid ColorBlend object. The positions array must have 0.0 as its first element."); + + if (positions [count - 1] != 1.0F) + throw new ArgumentException ("Invalid ColorBlend object. The positions array must have 1.0 as its last element."); + + int [] blend = new int [colors.Length]; + for (int i = 0; i < colors.Length; i++) + blend [i] = colors [i].ToArgb (); + + Status status = GDIPlus.GdipSetLinePresetBlend (nativeObject, blend, positions, count); + GDIPlus.CheckStatus (status); + } + } + + public Color [] LinearColors { + get { + int [] colors = new int [2]; + Status status = GDIPlus.GdipGetLineColors (nativeObject, colors); + GDIPlus.CheckStatus (status); + Color [] linearColors = new Color [2]; + linearColors [0] = Color.FromArgb (colors [0]); + linearColors [1] = Color.FromArgb (colors [1]); + + return linearColors; + } + set { + Status status = GDIPlus.GdipSetLineColors (nativeObject, value [0].ToArgb (), value [1].ToArgb ()); + GDIPlus.CheckStatus (status); + } + } + + public RectangleF Rectangle { + get { + return rectangle; + } + } + + public Matrix Transform { + get { + Matrix matrix = new Matrix (); + Status status = GDIPlus.GdipGetLineTransform (nativeObject, matrix.nativeMatrix); + GDIPlus.CheckStatus (status); + + return matrix; + } + set { + Status status = GDIPlus.GdipSetLineTransform (nativeObject, value.nativeMatrix); + GDIPlus.CheckStatus (status); + } + } + + public WrapMode WrapMode { + get { + WrapMode wrapMode; + Status status = GDIPlus.GdipGetLineWrapMode (nativeObject, out wrapMode); + GDIPlus.CheckStatus (status); + + return wrapMode; + } + set { + Status status = GDIPlus.GdipSetLineWrapMode (nativeObject, value); + GDIPlus.CheckStatus (status); + } + } + + // Public Methods + + public void MultiplyTransform (Matrix matrix) + { + MultiplyTransform (matrix, MatrixOrder.Prepend); + } + + public void MultiplyTransform (Matrix matrix, MatrixOrder order) + { + Status status = GDIPlus.GdipMultiplyLineTransform (nativeObject, matrix.nativeMatrix, order); + GDIPlus.CheckStatus (status); + } + + public void ResetTransform () + { + Status status = GDIPlus.GdipResetLineTransform (nativeObject); + GDIPlus.CheckStatus (status); + } + + public void RotateTransform (float angle) + { + RotateTransform (angle, MatrixOrder.Prepend); + } + + public void RotateTransform (float angle, MatrixOrder order) + { + Status status = GDIPlus.GdipRotateLineTransform (nativeObject, angle, order); + GDIPlus.CheckStatus (status); + } + + public void ScaleTransform (float sx, float sy) + { + ScaleTransform (sx, sy, MatrixOrder.Prepend); + } + + public void ScaleTransform (float sx, float sy, MatrixOrder order) + { + Status status = GDIPlus.GdipScaleLineTransform (nativeObject, sx, sy, order); + GDIPlus.CheckStatus (status); + } + + public void SetBlendTriangularShape (float focus) + { + SetBlendTriangularShape (focus, 1.0F); + } + + public void SetBlendTriangularShape (float focus, float scale) + { + if (focus < 0 || focus > 1 || scale < 0 || scale > 1) + throw new ArgumentException ("Invalid parameter passed."); + + Status status = GDIPlus.GdipSetLineLinearBlend (nativeObject, focus, scale); + GDIPlus.CheckStatus (status); + } + + public void SetSigmaBellShape (float focus) + { + SetSigmaBellShape (focus, 1.0F); + } + + public void SetSigmaBellShape (float focus, float scale) + { + if (focus < 0 || focus > 1 || scale < 0 || scale > 1) + throw new ArgumentException ("Invalid parameter passed."); + + Status status = GDIPlus.GdipSetLineSigmaBlend (nativeObject, focus, scale); + GDIPlus.CheckStatus (status); + } + + public void TranslateTransform (float dx, float dy) + { + TranslateTransform (dx, dy, MatrixOrder.Prepend); + } + + public void TranslateTransform (float dx, float dy, MatrixOrder order) + { + Status status = GDIPlus.GdipTranslateLineTransform (nativeObject, dx, dy, order); + GDIPlus.CheckStatus (status); + } + + public override object Clone () + { + IntPtr clonePtr; + Status status = GDIPlus.GdipCloneBrush (nativeObject, out clonePtr); + GDIPlus.CheckStatus (status); + + LinearGradientBrush clone = new LinearGradientBrush (clonePtr); + return clone; + } + } +} |