hvirtual/cinelerra/floatauto.C

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#include "autos.h"
#include "clip.h"
#include "edl.h"
#include "filexml.h"
#include "floatauto.h"
#include "localsession.h"

FloatAuto::FloatAuto(EDL *edl, FloatAutos *autos)
 : Auto(edl, (Autos*)autos)
{
        value = 0;
        control_in_value = 0;
        control_out_value = 0;
        control_in_position = 0;
        control_out_position = 0;
}

FloatAuto::~FloatAuto()
{
}

int FloatAuto::operator==(Auto &that)
{
        return identical((FloatAuto*)&that);
}


int FloatAuto::operator==(FloatAuto &that)
{
        return identical((FloatAuto*)&that);
}


int FloatAuto::identical(FloatAuto *src)
{
        return EQUIV(value, src->value) &&
                EQUIV(control_in_value, src->control_in_value) &&
                EQUIV(control_out_value, src->control_out_value) &&
                control_in_position == src->control_in_position &&
                control_out_position == src->control_out_position;
}

float FloatAuto::value_to_percentage()
{
        if(!edl) return 0;
        float automation_min = edl->local_session->automation_mins[autos->autogrouptype];
        float automation_max = edl->local_session->automation_maxs[autos->autogrouptype];
        float automation_range = automation_max - automation_min;
        return (value - automation_min) / automation_range;
}

float FloatAuto::invalue_to_percentage()
{
        if(!edl) return 0;
        float automation_min = edl->local_session->automation_mins[autos->autogrouptype];
        float automation_max = edl->local_session->automation_maxs[autos->autogrouptype];
        float automation_range = automation_max - automation_min;
        return (value + control_in_value - automation_min) / 
                automation_range;
}

float FloatAuto::outvalue_to_percentage()
{
        if(!edl) return 0;
        float automation_min = edl->local_session->automation_mins[autos->autogrouptype];
        float automation_max = edl->local_session->automation_maxs[autos->autogrouptype];
        float automation_range = automation_max - automation_min;
        return (value + control_out_value - automation_min) / 
                automation_range;
}

// float FloatAuto::percentage_to_value(float percentage)
// {
//      return percentage * (autos->max - autos->min) + autos->min;
// }
// 
// float FloatAuto::percentage_to_invalue(float percentage)
// {
//      return percentage * (autos->max - autos->min) + autos->min - value;
// }
// 
// float FloatAuto::percentage_to_outvalue(float percentage)
// {
//      return percentage * (autos->max - autos->min) + autos->min - value;
// }

void FloatAuto::copy_from(Auto *that)
{
        copy_from((FloatAuto*)that);
}

void FloatAuto::copy_from(FloatAuto *that)
{
        Auto::copy_from(that);
        this->value = that->value;
        this->control_in_value = that->control_in_value;
        this->control_out_value = that->control_out_value;
        this->control_in_position = that->control_in_position;
        this->control_out_position = that->control_out_position;
}

int FloatAuto::value_to_str(char *string, float value)
{
        int j = 0, i = 0;
        if(value > 0) 
                sprintf(string, "+%.2f", value);
        else
                sprintf(string, "%.2f", value);

// fix number
        if(value == 0)
        {
                j = 0;
                string[1] = 0;
        }
        else
        if(value < 1 && value > -1) 
        {
                j = 1;
                string[j] = string[0];
        }
        else 
        {
                j = 0;
                string[3] = 0;
        }
        
        while(string[j] != 0) string[i++] = string[j++];
        string[i] = 0;

        return 0;
}

void FloatAuto::copy(int64_t start, int64_t end, FileXML *file, int default_auto)
{
        file->tag.set_title("AUTO");
        if(default_auto)
                file->tag.set_property("POSITION", 0);
        else
                file->tag.set_property("POSITION", position - start);
        file->tag.set_property("VALUE", value);
        file->tag.set_property("CONTROL_IN_VALUE", control_in_value);
        file->tag.set_property("CONTROL_OUT_VALUE", control_out_value);
        file->tag.set_property("CONTROL_IN_POSITION", control_in_position);
        file->tag.set_property("CONTROL_OUT_POSITION", control_out_position);
        file->append_tag();
        file->tag.set_title("/AUTO");
        file->append_tag();
        file->append_newline();
}

void FloatAuto::load(FileXML *file)
{
        value = file->tag.get_property("VALUE", value);
        control_in_value = file->tag.get_property("CONTROL_IN_VALUE", control_in_value);
        control_out_value = file->tag.get_property("CONTROL_OUT_VALUE", control_out_value);
        control_in_position = file->tag.get_property("CONTROL_IN_POSITION", control_in_position);
        control_out_position = file->tag.get_property("CONTROL_OUT_POSITION", control_out_position);
}

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