private static CoordinateTransformer CoordinateTransformer()
{
const double canvasMaxX = 857.8125;
const double canvasMaxY = 20;
const double canvasMinX = 20;
const double canvasMinY = 688;
const double worldMaxX = 7762;
const double worldMaxY = 5184;
const double worldMinX = 10;
const double worldMinY = 10;
var transformer = new CoordinateTransformer(worldMinX, worldMaxX, worldMinY, worldMaxY,
canvasMinX, canvasMaxX, canvasMinY, canvasMaxY);
return transformer;
}
private void InitialiseTransformer()
{
var worldMinX = _currentTspItemManager.MinXCoordinate;
var worldMinY = _currentTspItemManager.MinYCoordinate;
var worldMaxX = _currentTspItemManager.MaxXCoordinate;
var worldMaxY = _currentTspItemManager.MaxYCoordinate;
const double margin = 20;
const double canvasMinX = margin;
const double canvasMinY = margin;
var canvasMaxX = _canvas.ActualWidth - margin;
var canvasMaxY = _canvas.ActualHeight - margin;
// Order of canvas Y min and max arguments are swapped due to canvas coordinate
// system (top-left is 0,0). This "flips" the coordinate system along the Y
// axis by making the Y scale value negative so that we have bottom-left at 0,0.
_transformer = new CoordinateTransformer(worldMinX, worldMaxX, worldMinY, worldMaxY,
canvasMinX, canvasMaxX, canvasMaxY, canvasMinY);
}
