public Image2DMatrix GetImageMatrix()
{
MatrixChanged = false;
Image2DMatrix sourceMatrix = _imageLoader.GetImageMatrix();
if (OperationShouldBeExecuted())
{
if (MatrixMustBeUpdated())
{
MatrixChanged = true;
_lastDx = Dx;
_lastDy = Dy;
TransformationMatrix shiftingMatrix = TransformationMatrix.UnitMatrix3x3.Shift2D(Dx, Dy);
_cashedMatrix = Image2DMatrix.Transform(sourceMatrix,
new Image2DMatrix(sourceMatrix.Height, sourceMatrix.Width, sourceMatrix.BytePerPixel), shiftingMatrix);
}
return(_cashedMatrix);
}
else
{
MatrixChanged = true;
_lastDx = Dx;
_lastDy = Dy;
return(sourceMatrix);
}
}
private void AdjustBrightness(Image2DMatrix sourceMatrix, double brightnessFactor)
{
if (_lastBrightnessFactor != brightnessFactor || _imageLoader.MatrixChanged)
{
MatrixChanged = true;
_lastBrightnessFactor = brightnessFactor;
_cashedMatrix = sourceMatrix * brightnessFactor;
}
}
public Image2DMatrix GetImageMatrix()
{
MatrixChanged = false;
Image2DMatrix sourceMatrix = _imageLoader.GetImageMatrix();
if (UseCustomBrightness)
{
AdjustBrightness(sourceMatrix, BrightnessFactor);
}
else
{
AdjustBrightness(sourceMatrix, MetaFileBrightnessFactor);
}
return(_cashedMatrix);
}
