public SliceContract GetSlice(Texture2D image, LayoutContract layoutContract)
{
var scale = GetSliceScale(image, layoutContract);
var offset = (scale - new Point(layoutContract.Width, layoutContract.Height)) / 2;
var vertexes = GetVertexes(layoutContract, offset);
var lines = GetLines(vertexes);
return new SliceContract { Vertexes = vertexes, Lines = lines, Width = scale.X, Height = scale.Y };
}
private Point GetSliceScale(Texture2D image, LayoutContract layoutContract)
{
if (image.width * layoutContract.Height > image.height * layoutContract.Width)
{
return new Point(image.width * layoutContract.Height / image.height, layoutContract.Height);
}
else
{
return new Point(layoutContract.Width, image.height * layoutContract.Width / image.width);
}
}
protected override Point[,] GetVertexes(LayoutContract layoutContract, Point offset)
{
var rows = layoutContract.Rows + 1;
var columns = layoutContract.Columns + 1;
var vertexes = new Point[rows, columns];
for (var i = 0; i < rows; i++)
{
for (var j = 0; j < columns; j++)
{
vertexes[i, j] = offset + new Point(layoutContract.Width * j / layoutContract.Columns, layoutContract.Height * i / layoutContract.Rows);
}
}
return vertexes;
}
protected override Point[,] GetVertexes(LayoutContract layoutContract, Point offset)
{
var rows = layoutContract.Rows + 1;
var columns = layoutContract.Columns + 1;
var vertexes = new Point[rows, columns];
var randomRange = layoutContract.Height / layoutContract.Rows / 10;
for (var i = 0; i < rows; i++)
{
for (var j = 0; j < columns; j++)
{
vertexes[i, j] = offset + new Point(layoutContract.Width * j / layoutContract.Columns, layoutContract.Height * i / layoutContract.Rows) + GetRandomOffset(j != 0 && j != columns - 1, i != 0 && i != rows - 1, randomRange);
}
}
return vertexes;
}
public SliceContract GetSlice(Texture2D image, LayoutContract layoutContract, SlicePattern slicePattern)
{
var sliceStrategy = _sliceStrategyFactory.Create(slicePattern);
return sliceStrategy.GetSlice(image, layoutContract);
}
protected abstract Point[,] GetVertexes(LayoutContract layoutContract, Point offset);