TextureBrush.cs :  » 2.6.4-mono-.net-core » System.Drawing » System » Drawing » C# / CSharp Open Source

//
// System.Drawing.TextureBrush.cs
//
// Authors:
//   Dennis Hayes (dennish@Raytek.com)
//   Ravindra (rkumar@novell.com)
//   Sebastien Pouliot  <sebastien@ximian.com>
//
// (C) 2002 Ximian, Inc
// Copyright (C) 2004,2006-2007 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.ComponentModel;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;

namespace System.Drawing{

  public sealed class TextureBrush : Brush {

    internal TextureBrush (IntPtr ptr) :
      base (ptr)
    {
    }

    public TextureBrush (Image bitmap) :
      this (bitmap, WrapMode.Tile)
    {
    }

    public TextureBrush (Image image, Rectangle dstRect) :
      this (image, WrapMode.Tile, dstRect)
    {
    }

    public TextureBrush (Image image, RectangleF dstRect) :
      this (image, WrapMode.Tile, dstRect)
    {
    }

    public TextureBrush (Image image, WrapMode wrapMode)
    {
      if (image == null)
        throw new ArgumentNullException ("image");
      if ((wrapMode < WrapMode.Tile) || (wrapMode > WrapMode.Clamp))
        throw new InvalidEnumArgumentException ("WrapMode");

      Status status = GDIPlus.GdipCreateTexture (image.nativeObject, wrapMode, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    [MonoLimitation ("ImageAttributes are ignored when using libgdiplus")]
    public TextureBrush (Image image, Rectangle dstRect, ImageAttributes imageAttr)
    {
      if (image == null)
        throw new ArgumentNullException ("image");

      IntPtr attr = imageAttr == null ? IntPtr.Zero : imageAttr.NativeObject;
      Status status = GDIPlus.GdipCreateTextureIAI (image.nativeObject, attr, dstRect.X, dstRect.Y, 
        dstRect.Width, dstRect.Height, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    [MonoLimitation ("ImageAttributes are ignored when using libgdiplus")]
    public TextureBrush (Image image, RectangleF dstRect, ImageAttributes imageAttr)
    {  
      if (image == null)
        throw new ArgumentNullException ("image");

      IntPtr attr = imageAttr == null ? IntPtr.Zero : imageAttr.NativeObject;
      Status status = GDIPlus.GdipCreateTextureIA (image.nativeObject, attr, dstRect.X, dstRect.Y, 
        dstRect.Width, dstRect.Height, out nativeObject);
      GDIPlus.CheckStatus (status);      
    }

    public TextureBrush (Image image, WrapMode wrapMode, Rectangle dstRect)
    {
      if (image == null)
        throw new ArgumentNullException ("image");
      if ((wrapMode < WrapMode.Tile) || (wrapMode > WrapMode.Clamp))
        throw new InvalidEnumArgumentException ("WrapMode");

      Status status = GDIPlus.GdipCreateTexture2I (image.nativeObject, wrapMode, dstRect.X, dstRect.Y, 
        dstRect.Width, dstRect.Height, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    public TextureBrush (Image image, WrapMode wrapMode, RectangleF dstRect)
    {
      if (image == null)
        throw new ArgumentNullException ("image");
      if ((wrapMode < WrapMode.Tile) || (wrapMode > WrapMode.Clamp))
        throw new InvalidEnumArgumentException ("WrapMode");

      Status status = GDIPlus.GdipCreateTexture2 (image.nativeObject, wrapMode, dstRect.X, dstRect.Y, 
        dstRect.Width, dstRect.Height, out nativeObject);
      GDIPlus.CheckStatus (status);
    }

    // properties

    public Image Image {
      get {
        // this check is required here as GDI+ doesn't check for it 
        if (nativeObject == IntPtr.Zero)
          throw new ArgumentException ("Object was disposed");

        IntPtr img;
        Status status = GDIPlus.GdipGetTextureImage (nativeObject, out img);
        GDIPlus.CheckStatus (status);
        return new Bitmap (img);
      }
    }

    public Matrix Transform {
      get {
        Matrix matrix = new Matrix ();
        Status status =  GDIPlus.GdipGetTextureTransform (nativeObject, matrix.nativeMatrix);
        GDIPlus.CheckStatus (status);

        return matrix;
      }
      set {
        if (value == null)
          throw new ArgumentNullException ("Transform");

        Status status = GDIPlus.GdipSetTextureTransform (nativeObject, value.nativeMatrix);
        GDIPlus.CheckStatus (status);
      }
    }

    public WrapMode WrapMode {
      get {
        WrapMode mode;
        Status status = GDIPlus.GdipGetTextureWrapMode (nativeObject, out mode);
        GDIPlus.CheckStatus (status);
        return mode;
      }
      set {
        if ((value < WrapMode.Tile) || (value > WrapMode.Clamp))
          throw new InvalidEnumArgumentException ("WrapMode");

        Status status = GDIPlus.GdipSetTextureWrapMode (nativeObject, value);
        GDIPlus.CheckStatus (status);
      }
    }

    // public methods

    public override object Clone ()
    {
      IntPtr clonePtr;
      Status status = GDIPlus.GdipCloneBrush (nativeObject, out clonePtr);
      GDIPlus.CheckStatus (status);

      return new TextureBrush (clonePtr);
    }

    public void MultiplyTransform (Matrix matrix)
    {
      MultiplyTransform (matrix, MatrixOrder.Prepend);
    }

    public void MultiplyTransform (Matrix matrix, MatrixOrder order)
    {
      if (matrix == null)
        throw new ArgumentNullException ("matrix");

      Status status = GDIPlus.GdipMultiplyTextureTransform (nativeObject, matrix.nativeMatrix, order);
      GDIPlus.CheckStatus (status);
    }

    public void ResetTransform ()
    {
      Status status = GDIPlus.GdipResetTextureTransform (nativeObject);
      GDIPlus.CheckStatus (status);
    }

    public void RotateTransform (float angle)
    {
      RotateTransform (angle, MatrixOrder.Prepend);
    }

    public void RotateTransform (float angle, MatrixOrder order)
    {
      Status status = GDIPlus.GdipRotateTextureTransform (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.GdipScaleTextureTransform (nativeObject, sx, sy, order);
      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.GdipTranslateTextureTransform (nativeObject, dx, dy, order);
      GDIPlus.CheckStatus (status);
    }
  }
}