/**
* Constructor.
*
* @param drawingTools the {@link DrawingTools} of the canvas where the ruler will be drawn.
* @param rulerModel the {@link RulerModel} of the drawn ruler.
*/
public synchronized RulerDrawingResult drawWithResults(
DrawingTools drawingTools, RulerModel rulerModel) {
this.rulerModel = rulerModel;
subTicksValue = new LinkedList<Double>();
ticksValue = new LinkedList<Double>();
spritesList = new LinkedList<PositionedSprite>();
canvasProjection = drawingTools.getTransformationManager().getCanvasProjection();
Vector3d windowTicksDirection =
canvasProjection.projectDirection(rulerModel.getTicksDirection());
windowTicksDirection = windowTicksDirection.setZ(0);
Vector3d normalizedProjectedTicksDirection = windowTicksDirection.getNormalized();
windowSubTicksDelta = normalizedProjectedTicksDirection.times(rulerModel.getSubTicksLength());
windowTicksDelta = normalizedProjectedTicksDirection.times(rulerModel.getTicksLength());
DecimalFormat format;
if (rulerModel.isAutoTicks()) {
format = computeAutoGraduation();
} else {
format = computeUserGraduation();
}
computeTicksData();
draw(drawingTools);
double distRatio = computeTicksDistanceRatio(windowTicksDirection.getNorm());
return new RulerDrawingResult(
format, ticksValue, subTicksValue, density, distRatio, normalizedProjectedTicksDirection);
}
/**
* Compute different parameters on a ruler
*
* @param drawingTools the {@link DrawingTools} of the canvas where the ruler will be drawn.
* @param rulerModel the {@link RulerModel} of the drawn ruler.
* @param canvasProjection the canvas projection.
*/
public synchronized RulerDrawingResult computeRuler(
DrawingTools drawingTools, RulerModel rulerModel, Transformation canvasProjection) {
// Same code as drawWithResults (without drawing)
// Historically, computations were made when drawing and they are made before drawing.
// TODO: remove drawWithResults ??
this.canvasProjection = canvasProjection;
this.rulerModel = rulerModel;
subTicksValue = new LinkedList<Double>();
ticksValue = new LinkedList<Double>();
spritesList = new LinkedList<PositionedSprite>();
Vector3d windowTicksDirection =
canvasProjection.projectDirection(rulerModel.getTicksDirection());
windowTicksDirection = windowTicksDirection.setZ(0);
Vector3d normalizedProjectedTicksDirection = windowTicksDirection.getNormalized();
windowSubTicksDelta = normalizedProjectedTicksDirection.times(rulerModel.getSubTicksLength());
windowTicksDelta = normalizedProjectedTicksDirection.times(rulerModel.getTicksLength());
DecimalFormat format;
if (rulerModel.isAutoTicks()) {
format = computeAutoGraduation();
} else {
format = computeUserGraduation();
}
computeTicksData();
double distRatio = computeTicksDistanceRatio(windowTicksDirection.getNorm());
return new RulerDrawingResult(
format, ticksValue, subTicksValue, density, distRatio, normalizedProjectedTicksDirection);
}