/*
        JSDSlider.cpp
        Dr.H.Reh
        27.11.2004
        
        Based on source code from Be Inc. RIP
        Copyright 1995 Be Incorporated, All Rights Reserved.
*/

#include "JSDSlider.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>


JSDSlider::JSDSlider(const char* name, const char* label,
        BMessage* msg, int32 min, int32 max)
        : BSlider(name, label, msg, min, max, B_HORIZONTAL)
{
}


JSDSlider::~JSDSlider()
{
}


const char*
JSDSlider::UpdateText() const
{
        // When the slider's Draw method is called, this method will also be called.
        // If its return value is non-NULL, then it will be drawn with the rest of
        // the slider
        static char string[64];
        string[0] = 0;

        if (!strcmp("gamma", Name())) {
                float gamma;
                gamma = exp((Value() * log(2.0) * 0.01) );
                sprintf(string, " %.2f", gamma);
        } else if (!strcmp("inkDensity", Name()) ) {
                float density = Value();
                density = (density / 127.0) * 100.0;
                sprintf(string," %.0f%%", density);
        }

        fResult.SetTo(string);
        return fResult.String();
}