arc_assistant.cpp File Reference

#include <preview_items/arc_assistant.h>
#include <preview_items/draw_context.h>
#include <preview_items/preview_utils.h>
#include <gal/graphics_abstraction_layer.h>
#include <view/view.h>
#include <base_units.h>
#include <trigo.h>

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Functions
double	getNormDeciDegFromRad (double aRadians)
	Get deci-degrees from radians, normalised to +/- 360. More...

Function Documentation

getNormDeciDegFromRad()

double getNormDeciDegFromRad

(

double

aRadians

)

Get deci-degrees from radians, normalised to +/- 360.

The normalisation is such that a negative angle will stay negative.

Definition at line 66 of file arc_assistant.cpp.

{
    double degs = RAD2DECIDEG( aRadians );

    // normalise to +/- 360
    while( degs < -3600.0 )
        degs += 3600.0;

    while( degs > 3600.0 )
        degs -= 3600.0;

    return degs;
}

References RAD2DECIDEG().

Referenced by KIGFX::PREVIEW::ARC_ASSISTANT::ViewDraw().