/// <summary>
/// Does the actual population of the Pixel Matrix
/// </summary>
private void DoPopulate()
{
Columns = new List <PixelColumn>();
Comparator = null;
if (LinkCompare)
{
Comparator = new List <PixelColumn>();
}
//set the search dimensions
if (SearchWidth <= 0)
{
SearchWidth = image2.bitmap.Width;
}
if (SearchHeight <= 0)
{
SearchHeight = image2.bitmap.Height;
}
//set thepixel scanning dimensions
if (WidthSearchOffset < 1)
{
WidthSearchOffset = 1;
}
if (HeightSearchOffset < 1)
{
HeightSearchOffset = 1;
}
if (GridSystemOn)
{
imageGrid = new ImageGrid(SearchWidth, SearchHeight);
}
//set some grid and comparator variables here, for scope reasons
GridColumn gridColumn = null;
Grid grid = null;
PixelCell comparatorCell = null;
PixelColumn comparatorColumn = null;
//look at every pixel in each image, and compare the colours
for (int i = 0; i < SearchWidth; i += WidthSearchOffset)
{
PixelColumn column = new PixelColumn();
if (LinkCompare)
{
comparatorColumn = new PixelColumn();
}
//set a new grid column, if required
if (GridSystemOn)
{
if (i == 0)
{
gridColumn = new GridColumn();
}
else if (i % imageGrid.GridWidth == 0)
{
imageGrid.Columns.Add(gridColumn); gridColumn = new GridColumn();
}
}
for (int n = 0; n < SearchHeight; n += HeightSearchOffset)
{
PixelCell cell = new PixelCell();
if (LinkCompare)
{
comparatorCell = new PixelCell();
}
//set a new grid, if required
if (GridSystemOn)
{
if (n > 0 && n % imageGrid.GridHeight == 0 && i % imageGrid.GridWidth == 0)
{
gridColumn.grids.Add(grid);
grid = new Grid();
}
else if (n == 0 && i % imageGrid.GridWidth == 0)
{
grid = new Grid();
}
}
//get the pixel colours. image 1 pixel one either comes from image1, or the comparison PixelMatrix, if it exists
Int64 image1Pixel = Comparision == null?image1.bitmap.GetPixel(i, n).Name.HexToLong() : Comparision[i].Cells[n].colour;
Int64 image2Pixel = image2.bitmap.GetPixel(i, n).Name.HexToLong();
//set the comparator
if (LinkCompare)
{
comparatorCell.colour = image2Pixel; comparatorColumn.Cells.Add(comparatorCell);
}
if (image1Pixel != image2Pixel)
{
cell.hasChanged = true;
cell.change = image1Pixel - image2Pixel;
if (GridSystemOn)
{
grid.change += cell.positiveChange;
}
}
else
{
cell.hasChanged = false;
}
column.Cells.Add(cell);
if (GridSystemOn && n + 1 == image1.bitmap.Height && i % imageGrid.GridWidth == 0)
{
gridColumn.grids.Add(grid);
}
}//height
Columns.Add(column);
if (LinkCompare)
{
Comparator.Add(comparatorColumn);
}
if (GridSystemOn && i + 1 == image1.bitmap.Width)
{
imageGrid.Columns.Add(gridColumn);
}
}//width
}
