/// <summary>
/// Processes the image.
/// </summary>
/// <param name="factory">
/// 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;
Bitmap mask = null;
Bitmap maskCropped = null;
Bitmap maskPositioned = null;
Image image = factory.Image;
try
{
int width = image.Width;
int height = image.Height;
Tuple <Image, Point?> parameters = this.DynamicParameter;
mask = new Bitmap(parameters.Item1);
Point?position = parameters.Item2.HasValue ? parameters.Item2 : null;
if (mask.Size != image.Size)
{
Rectangle parent = new Rectangle(0, 0, width, height);
Rectangle child = ImageMaths.GetFilteredBoundingRectangle(mask, 0, RgbaComponent.A);
maskCropped = new Bitmap(child.Width, child.Height);
maskCropped.SetResolution(image.HorizontalResolution, image.VerticalResolution);
// First crop any bounding transparency.
using (Graphics graphics = Graphics.FromImage(maskCropped))
{
graphics.Clear(Color.Transparent);
graphics.DrawImage(
mask,
new Rectangle(0, 0, child.Width, child.Height),
child.X,
child.Y,
child.Width,
child.Height,
GraphicsUnit.Pixel);
}
// Now position the mask in an image of the same dimensions as the original.
maskPositioned = new Bitmap(width, height);
maskPositioned.SetResolution(image.HorizontalResolution, image.VerticalResolution);
using (Graphics graphics = Graphics.FromImage(maskPositioned))
{
graphics.Clear(Color.Transparent);
if (position != null)
{
// Apply the mask at the given position.
graphics.DrawImage(maskCropped, position.Value);
}
else
{
// Center it instead
RectangleF centered = ImageMaths.CenteredRectangle(parent, child);
graphics.DrawImage(maskCropped, new PointF(centered.X, centered.Y));
}
}
newImage = Effects.ApplyMask(image, maskPositioned);
maskCropped.Dispose();
maskPositioned.Dispose();
}
else
{
newImage = Effects.ApplyMask(image, mask);
mask.Dispose();
}
image.Dispose();
image = newImage;
}
catch (Exception ex)
{
if (mask != null)
{
mask.Dispose();
}
if (maskCropped != null)
{
maskCropped.Dispose();
}
if (maskPositioned != null)
{
maskPositioned.Dispose();
}
if (newImage != null)
{
newImage.Dispose();
}
throw new ImageProcessingException("Error processing image with " + this.GetType().Name, ex);
}
return(image);
}
/// <summary>
/// Processes the image.
/// </summary>
/// <param name="factory">
/// 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;
Bitmap mask = null;
Bitmap maskCropped = null;
Bitmap maskPositioned = null;
var image = factory.Image;
try
{
var width = image.Width;
var height = image.Height;
ImageLayer parameters = DynamicParameter;
mask = new Bitmap(parameters.Image);
mask.SetResolution(image.HorizontalResolution, image.VerticalResolution);
var position = parameters.Position;
if (mask.Size != image.Size)
{
var parent = new Rectangle(0, 0, width, height);
var child = ImageMaths.GetFilteredBoundingRectangle(mask, 0, RgbaComponent.A);
maskCropped = new Bitmap(child.Width, child.Height, PixelFormat.Format32bppPArgb);
maskCropped.SetResolution(image.HorizontalResolution, image.VerticalResolution);
// First crop any bounding transparency.
using (var graphics = Graphics.FromImage(maskCropped))
{
GraphicsHelper.SetGraphicsOptions(graphics);
graphics.Clear(Color.Transparent);
graphics.DrawImage(
mask,
new Rectangle(0, 0, child.Width, child.Height),
child.X,
child.Y,
child.Width,
child.Height,
GraphicsUnit.Pixel);
}
// Now position the mask in an image of the same dimensions as the original.
maskPositioned = new Bitmap(width, height, PixelFormat.Format32bppPArgb);
maskPositioned.SetResolution(image.HorizontalResolution, image.VerticalResolution);
using (var graphics = Graphics.FromImage(maskPositioned))
{
GraphicsHelper.SetGraphicsOptions(graphics, true);
graphics.Clear(Color.Transparent);
if (position != null)
{
// Apply the mask at the given position.
graphics.DrawImage(maskCropped, position.Value);
}
else
{
// Center it instead
var centered = ImageMaths.CenteredRectangle(parent, child);
graphics.DrawImage(maskCropped, new PointF(centered.X, centered.Y));
}
}
newImage = Effects.ApplyMask(image, maskPositioned);
maskCropped.Dispose();
maskPositioned.Dispose();
}
else
{
newImage = Effects.ApplyMask(image, mask);
mask.Dispose();
}
image.Dispose();
image = newImage;
}
catch (Exception ex)
{
mask?.Dispose();
maskCropped?.Dispose();
maskPositioned?.Dispose();
newImage?.Dispose();
throw new ImageProcessingException("Error processing image with " + GetType().Name, ex);
}
return(image);
}
/// <summary>
/// Processes the image.
/// </summary>
/// <param name="image">The current image to process</param>
/// <param name="newImage">The new Image to return</param>
/// <returns>
/// The processed <see cref="System.Drawing.Bitmap"/>.
/// </returns>
public override Bitmap TransformImage(Image image, Image newImage)
{
// Bitmaps for comic pattern
Bitmap highBitmap = null;
Bitmap lowBitmap = null;
Bitmap patternBitmap = null;
Bitmap edgeBitmap = null;
int width = image.Width;
int height = image.Height;
try
{
using (ImageAttributes attributes = new ImageAttributes())
{
Rectangle rectangle = new Rectangle(0, 0, image.Width, image.Height);
attributes.SetColorMatrix(ColorMatrixes.ComicHigh);
// Draw the image with the high comic colormatrix.
highBitmap = new Bitmap(rectangle.Width, rectangle.Height, PixelFormat.Format32bppPArgb);
highBitmap.SetResolution(image.HorizontalResolution, image.VerticalResolution);
// Apply a oil painting filter to the image.
highBitmap = new OilPaintingFilter(3, 5).ApplyFilter((Bitmap)image);
// Draw the edges.
edgeBitmap = new Bitmap(width, height, PixelFormat.Format32bppPArgb);
edgeBitmap.SetResolution(image.HorizontalResolution, image.VerticalResolution);
edgeBitmap = Effects.Trace(image, edgeBitmap, 120);
using (Graphics graphics = Graphics.FromImage(highBitmap))
{
graphics.DrawImage(highBitmap, rectangle, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes);
}
// Create a bitmap for overlaying.
lowBitmap = new Bitmap(rectangle.Width, rectangle.Height, PixelFormat.Format32bppPArgb);
lowBitmap.SetResolution(image.HorizontalResolution, image.VerticalResolution);
// Set the color matrix
attributes.SetColorMatrix(this.Matrix);
// Draw the image with the losatch colormatrix.
using (Graphics graphics = Graphics.FromImage(lowBitmap))
{
graphics.DrawImage(highBitmap, rectangle, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes);
}
// We need to create a new image now with a pattern mask to paint it
// onto the other image with.
patternBitmap = new Bitmap(rectangle.Width, rectangle.Height, PixelFormat.Format32bppPArgb);
patternBitmap.SetResolution(image.HorizontalResolution, image.VerticalResolution);
// Create the pattern mask.
using (Graphics graphics = Graphics.FromImage(patternBitmap))
{
graphics.Clear(Color.Transparent);
for (int y = 0; y < height; y += 8)
{
for (int x = 0; x < width; x += 4)
{
graphics.FillEllipse(Brushes.White, x, y, 3, 3);
graphics.FillEllipse(Brushes.White, x + 2, y + 4, 3, 3);
}
}
}
// Transfer the alpha channel from the mask to the low saturation image.
lowBitmap = Effects.ApplyMask(lowBitmap, patternBitmap);
using (Graphics graphics = Graphics.FromImage(newImage))
{
graphics.Clear(Color.Transparent);
// Overlay the image.
graphics.DrawImage(highBitmap, 0, 0);
graphics.DrawImage(lowBitmap, 0, 0);
graphics.DrawImage(edgeBitmap, 0, 0);
// Draw an edge around the image.
using (Pen blackPen = new Pen(Color.Black))
{
blackPen.Width = 4;
graphics.DrawRectangle(blackPen, rectangle);
}
// Dispose of the other images
highBitmap.Dispose();
lowBitmap.Dispose();
patternBitmap.Dispose();
edgeBitmap.Dispose();
}
}
// Reassign the image.
image.Dispose();
image = newImage;
}
catch
{
if (newImage != null)
{
newImage.Dispose();
}
if (highBitmap != null)
{
highBitmap.Dispose();
}
if (lowBitmap != null)
{
lowBitmap.Dispose();
}
if (patternBitmap != null)
{
patternBitmap.Dispose();
}
if (edgeBitmap != null)
{
edgeBitmap.Dispose();
}
}
return((Bitmap)image);
}
