ImageProcessor.Processors.Rotate.ProcessImage C# (CSharp) Méthode

        public Image ProcessImage(ImageFactory factory)
        {
            Image image = factory.Image;

            try
            {
                float angle = this.DynamicParameter;

                // Center of the image
                float rotateAtX = Math.Abs(image.Width / 2);
                float rotateAtY = Math.Abs(image.Height / 2);

                // Create a rotated image.
                image = this.RotateImage(image, rotateAtX, rotateAtY, angle);

                if (factory.PreserveExifData && factory.ExifPropertyItems.Any())
                {
                    // Set the width EXIF data.
                    factory.SetPropertyItem(ExifPropertyTag.ImageWidth, (ushort)image.Width);

                    // Set the height EXIF data.
                    factory.SetPropertyItem(ExifPropertyTag.ImageHeight, (ushort)image.Height);
                }

                return image;
            }
            catch (Exception ex)
            {
                throw new ImageProcessingException("Error processing image with " + this.GetType().Name, ex);
            }
        }

        /// <summary>
        /// Rotates the current image by the given angle.
        /// </summary>
        /// <param name="rotateLayer">
        /// The <see cref="T:ImageProcessor.Imaging.RotateLayer"/> containing the properties to rotate the image.
        /// </param>
        /// <returns>
        /// The current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
        /// </returns>
        public ImageFactory Rotate(RotateLayer rotateLayer)
        {
            if (this.ShouldProcess)
            {
                // Sanitize the input.
                if (rotateLayer.Angle > 360 || rotateLayer.Angle < 0)
                {
                    rotateLayer.Angle = 0;
                }

                Rotate rotate = new Rotate { DynamicParameter = rotateLayer };

                this.Image = rotate.ProcessImage(this);
            }

            return this;
        }