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    <p>I found some help from another website. Here's what I ended up doing for those of you who want to know:</p> <pre><code>// Rotates the input image by theta degrees around center. public static Bitmap RotateImage(Bitmap bmpSrc, float theta) { Matrix mRotate = new Matrix(); mRotate.Translate(bmpSrc.Width / -2, bmpSrc.Height / -2, MatrixOrder.Append); mRotate.RotateAt(theta, new System.Drawing.Point(0, 0), MatrixOrder.Append); using (GraphicsPath gp = new GraphicsPath()) { // transform image points by rotation matrix gp.AddPolygon(new System.Drawing.Point[] { new System.Drawing.Point(0, 0), new System.Drawing.Point(bmpSrc.Width, 0), new System.Drawing.Point(0, bmpSrc.Height) }); gp.Transform(mRotate); System.Drawing.PointF[] pts = gp.PathPoints; // create destination bitmap sized to contain rotated source image Rectangle bbox = boundingBox(bmpSrc, mRotate); Bitmap bmpDest = new Bitmap(bbox.Width, bbox.Height); using (Graphics gDest = Graphics.FromImage(bmpDest)) { // draw source into dest Matrix mDest = new Matrix(); mDest.Translate(bmpDest.Width / 2, bmpDest.Height / 2, MatrixOrder.Append); gDest.Transform = mDest; gDest.DrawImage(bmpSrc, pts); return bmpDest; } } } private static Rectangle boundingBox(Image img, Matrix matrix) { GraphicsUnit gu = new GraphicsUnit(); Rectangle rImg = Rectangle.Round(img.GetBounds(ref gu)); // Transform the four points of the image, to get the resized bounding box. System.Drawing.Point topLeft = new System.Drawing.Point(rImg.Left, rImg.Top); System.Drawing.Point topRight = new System.Drawing.Point(rImg.Right, rImg.Top); System.Drawing.Point bottomRight = new System.Drawing.Point(rImg.Right, rImg.Bottom); System.Drawing.Point bottomLeft = new System.Drawing.Point(rImg.Left, rImg.Bottom); System.Drawing.Point[] points = new System.Drawing.Point[] { topLeft, topRight, bottomRight, bottomLeft }; GraphicsPath gp = new GraphicsPath(points, new byte[] { (byte)PathPointType.Start, (byte)PathPointType.Line, (byte)PathPointType.Line, (byte)PathPointType.Line }); gp.Transform(matrix); return Rectangle.Round(gp.GetBounds()); } </code></pre>
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    1. POHow do I prevent clipping when rotating an image in C#?
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    1. COIt's important to specify here that Matrix is System.Drawing.Drawing2D.Matrix, not System.Windows.Media.Matrix.
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    2. COStill (2yr+ later) the best answer to this problem by far.
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      1. USPMontgomery
    3. COMore than 3 Years later is the ONLY answer that worked right away without further modification.
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