/// <summary>
/// Processes the image.
/// </summary>
/// <param name="factory">
/// The the current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class containing
/// the image to process.
/// </param>
/// <returns>
/// The processed image from the current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
/// </returns>
public Image ProcessImage(ImageFactory factory)
{
Bitmap newImage = null;
Image image = factory.Image;
try
{
RotateLayer rotateLayer = this.DynamicParameter;
int angle = rotateLayer.Angle;
Color backgroundColor = rotateLayer.BackgroundColor;
// Center of the image
float rotateAtX = Math.Abs(image.Width / 2);
float rotateAtY = Math.Abs(image.Height / 2);
// Create a rotated image.
newImage = this.RotateImage(image, rotateAtX, rotateAtY, angle, backgroundColor);
image.Dispose();
image = newImage;
}
catch
{
if (newImage != null)
{
newImage.Dispose();
}
}
return(image);
}
public void TestRotateRegex()
{
const string Querystring = "rotate=270";
RotateLayer expected = new RotateLayer(270, Color.Transparent);
Rotate rotate = new Rotate();
rotate.MatchRegexIndex(Querystring);
RotateLayer actual = rotate.DynamicParameter;
Assert.AreEqual(expected, actual);
}
/// <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.ApplyProcessor(rotate.ProcessImage);
}
return(this);
}
/// <summary>
/// The position in the original string where the first character of the captured substring was found.
/// </summary>
/// <param name="queryString">
/// The query string to search.
/// </param>
/// <returns>
/// The zero-based starting position in the original string where the captured substring was found.
/// </returns>
public int MatchRegexIndex(string queryString)
{
int index = 0;
// Set the sort order to max to allow filtering.
this.SortOrder = int.MaxValue;
foreach (Match match in this.RegexPattern.Matches(queryString))
{
if (match.Success)
{
if (index == 0)
{
// Set the index on the first instance only.
this.SortOrder = match.Index;
RotateLayer rotateLayer;
string toParse = match.Value;
if (toParse.Contains("bgcolor"))
{
rotateLayer = new RotateLayer(this.ParseAngle(toParse), this.ParseColor(toParse));
}
else
{
int degrees;
int.TryParse(match.Value.Split('=')[1], NumberStyles.Any, CultureInfo.InvariantCulture, out degrees);
rotateLayer = new RotateLayer(degrees);
}
this.DynamicParameter = rotateLayer;
}
index += 1;
}
}
return(this.SortOrder);
}
