private void Distort(IMagickImage output, PointD[] corners, MagickGeometry inputDimensions, MagickGeometry trimmedDimensions, MagickColor backgroundColor)
{
MagickGeometry outputDimensions = GetDimensions(output, corners, inputDimensions, trimmedDimensions);
double[] arguments = new double[16]
{
corners[0].X, corners[0].Y, 0, 0,
corners[1].X, corners[1].Y, 0, outputDimensions.Height,
corners[2].X, corners[2].Y, outputDimensions.Width, outputDimensions.Height,
corners[3].X, corners[3].Y, outputDimensions.Width, 0
};
output.VirtualPixelMethod = VirtualPixelMethod.Background;
output.BackgroundColor = backgroundColor;
if (!DisableViewportCrop)
{
output.SetArtifact("distort:viewport", GetViewport(arguments, corners).ToString());
}
var distortSettings = new DistortSettings()
{
Bestfit = true
};
output.Distort(DistortMethod.Perspective, distortSettings, arguments);
output.BorderColor = backgroundColor;
output.Border(2);
output.ColorFuzz = ColorFuzz;
output.Trim();
output.RePage();
}
private void DistortImageWithMagnification(IMagickImage input, IMagickImage image)
{
var delX = (input.Width - _width) / 2;
var delY = (input.Height - _height) / 2;
SetDistortViewport(image, (int)delX, (int)delY);
image.Distort(DistortMethod.ScaleRotateTranslate, Magnification.Value, 0);
}
private void DistortImageWithCoords(IMagickImage image)
{
SetDistortViewport(image, 0, 0);
var arguments = new double[16]
{
_coords[0].X, _coords[0].Y, 0, 0, _coords[1].X, _coords[1].Y, _width, 0,
_coords[2].X, _coords[2].Y, _width, _height, _coords[3].X, _coords[3].Y, 0, _height
};
image.Distort(DistortMethod.Perspective, arguments);
}
private void DistortImageWithDimensions(IMagickImage input, IMagickImage image)
{
var delX = (input.Width - _width) / 2;
var delY = (input.Height - _height) / 2;
SetDistortViewport(image, (int)delX, (int)delY);
var cX = input.Width / 2;
var cY = input.Height / 2;
var magX = _width / input.Width;
var magY = _height / input.Height;
image.Distort(DistortMethod.ScaleRotateTranslate, cX, cY, magX, magY, 0);
}