/// <summary>
/// XML Deserialize
/// </summary>
/// <param name="xmlString">Set XML string</param>
/// <returns></returns>
public static ImageBlendingBitmapFilterData XmlDeserialize(string xmlString)
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(ImageBlendingBitmapFilterData));
MemoryStream memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(xmlString));
XmlReader xmlReader = XmlReader.Create(memoryStream);
ImageBlendingBitmapFilterData filterData = null;
if (xmlSerializer.CanDeserialize(xmlReader) == true)
{
xmlReader.Close();
memoryStream.Position = 0;
filterData = (ImageBlendingBitmapFilterData)xmlSerializer.Deserialize(memoryStream);
}
memoryStream.Close();
memoryStream.Dispose();
return(filterData);
}
/// <summary>
/// XML Serialization
/// </summary>
/// <param name="filterData">Set Bitmap Filter</param>
/// <returns></returns>
public static string XmlSerialize(ImageBlendingBitmapFilterData filterData)
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(ImageBlendingBitmapFilterData));
XmlWriterSettings xmlSettings = new XmlWriterSettings();
xmlSettings.Encoding = Encoding.UTF8;
xmlSettings.Indent = true;
MemoryStream memoryStream = new MemoryStream();
XmlWriter xmlWriter = XmlWriter.Create(memoryStream, xmlSettings);
xmlSerializer.Serialize(xmlWriter, filterData);
xmlWriter.Flush();
string xmlString = xmlSettings.Encoding.GetString(memoryStream.ToArray());
xmlWriter.Close();
memoryStream.Close();
memoryStream.Dispose();
return(xmlString);
}
/// <summary>
/// Blend Image
/// </summary>
/// <param name="baseImage">Set source Bitmap</param>
/// <param name="overlayImage">Set overlay Bitmap</param>
/// <param name="filterData">Set filter</param>
/// <returns></returns>
public static System.Drawing.Bitmap BlendImage(this System.Drawing.Bitmap baseImage, System.Drawing.Bitmap overlayImage, ImageBlendingBitmapFilterData filterData)
{
BitmapData baseImageData = baseImage.LockBits(new Rectangle(0, 0, baseImage.Width, baseImage.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
byte[] baseImageBuffer = new byte[baseImageData.Stride * baseImageData.Height];
Marshal.Copy(baseImageData.Scan0, baseImageBuffer, 0, baseImageBuffer.Length);
BitmapData overlayImageData = overlayImage.LockBits(new Rectangle(0, 0, overlayImage.Width, overlayImage.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
byte[] overlayImageBuffer = new byte[overlayImageData.Stride * overlayImageData.Height];
Marshal.Copy(overlayImageData.Scan0, overlayImageBuffer, 0, overlayImageBuffer.Length);
float sourceBlue = 0;
float sourceGreen = 0;
float sourceRed = 0;
float overlayBlue = 0;
float overlayGreen = 0;
float overlayRed = 0;
for (int k = 0; k < baseImageBuffer.Length && k < overlayImageBuffer.Length; k += 4)
{
sourceBlue = (filterData.SourceBlueEnabled ? baseImageBuffer[k] * filterData.SourceBlueLevel : 0);
sourceGreen = (filterData.SourceGreenEnabled ? baseImageBuffer[k + 1] * filterData.SourceGreenLevel : 0);
sourceRed = (filterData.SourceRedEnabled ? baseImageBuffer[k + 2] * filterData.SourceRedLevel : 0);
overlayBlue = (filterData.OverlayBlueEnabled ? overlayImageBuffer[k] * filterData.OverlayBlueLevel : 0);
overlayGreen = (filterData.OverlayGreenEnabled ? overlayImageBuffer[k + 1] * filterData.OverlayGreenLevel : 0);
overlayRed = (filterData.OverlayRedEnabled ? overlayImageBuffer[k + 2] * filterData.OverlayRedLevel : 0);
baseImageBuffer[k] = CalculateColorComponentBlendValue(sourceBlue, overlayBlue, filterData.BlendTypeBlue);
baseImageBuffer[k + 1] = CalculateColorComponentBlendValue(sourceGreen, overlayGreen, filterData.BlendTypeGreen);
baseImageBuffer[k + 2] = CalculateColorComponentBlendValue(sourceRed, overlayRed, filterData.BlendTypeRed);
}
System.Drawing.Bitmap bitmapResult = new System.Drawing.Bitmap(baseImage.Width, baseImage.Height, PixelFormat.Format32bppArgb);
BitmapData resultImageData = bitmapResult.LockBits(new Rectangle(0, 0, bitmapResult.Width, bitmapResult.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Marshal.Copy(baseImageBuffer, 0, resultImageData.Scan0, baseImageBuffer.Length);
bitmapResult.UnlockBits(resultImageData);
baseImage.UnlockBits(baseImageData);
overlayImage.UnlockBits(overlayImageData);
return(bitmapResult);
}