hvirtual/cinelerra/picture.C

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#include <ctype.h>
#include "bchash.h"
#include "picture.h"
#include <string.h>





PictureItem::PictureItem()
{
        name[0] = 0;
        min = 0;
        max = 0;
        default_ = 0;
        step = 0;
        type = 0;
        value = 0;
        device_id = 0;
}


PictureItem::~PictureItem()
{
}

void PictureItem::copy_from(PictureItem *src)
{
        strcpy(this->name, src->name);
        this->device_id = src->device_id;
        this->min = src->min;
        this->max = src->max;
        this->default_ = src->default_;
        this->step = src->step;
        this->type = src->type;
        this->value = src->value;
}

char* PictureItem::get_default_string(char *string)
{
        sprintf(string, "VIDEO_%s_VALUE", name);
        for(int i = 0; i < strlen(string); i++)
                string[i] = toupper(string[i]);
        return string;
}








PictureConfig::PictureConfig(BC_Hash *defaults)
{
        this->defaults = defaults;
        brightness = -1;
        hue = -1;
        color = -1;
        contrast = -1;
        whiteness = -1;

        use_brightness = 0;
        use_contrast = 0;
        use_color = 0;
        use_hue = 0;
        use_whiteness = 0;
}

PictureConfig::~PictureConfig()
{
        controls.remove_all_objects();
}

void PictureConfig::copy_settings(PictureConfig *picture)
{
        this->brightness = picture->brightness;
        this->hue = picture->hue;
        this->color = picture->color;
        this->contrast = picture->contrast;
        this->whiteness = picture->whiteness;


        for(int i = 0; i < picture->controls.total; i++)
        {
                PictureItem *src_item = picture->controls.values[i];
                PictureItem *dst_item = 0;
                for(int j = 0; j < controls.total; j++)
                {
                        if(controls.values[j]->device_id == src_item->device_id)
                        {
                                dst_item = controls.values[j];
                                break;
                        }
                }
                if(!dst_item)
                {
                        dst_item = new PictureItem;
                        controls.append(dst_item);
                }
                dst_item->copy_from(src_item);
        }
}

void PictureConfig::copy_usage(PictureConfig *picture)
{
        this->use_brightness = picture->use_brightness;
        this->use_contrast = picture->use_contrast;
        this->use_color = picture->use_color;
        this->use_hue = picture->use_hue;
        this->use_whiteness = picture->use_whiteness;

// Add the controls if they don't exists but don't replace existing values.
        for(int i = 0; i < picture->controls.total; i++)
        {
                PictureItem *src = picture->controls.values[i];
                int got_it = 0;
                for(int j = 0; j < controls.total; j++)
                {
                        if(controls.values[j]->device_id == src->device_id)
                        {
                                got_it = 1;
                                break;
                        }
                }
                if(!got_it)
                {
                        PictureItem *dst = new PictureItem;
                        controls.append(dst);
                        dst->copy_from(src);
                }
        }
}

void PictureConfig::load_defaults()
{
        if(!defaults)
        {
                printf("PictureConfig::load_defaults: no defaults pointer.\n");
                return;
        }
        brightness = defaults->get("VIDEO_BRIGHTNESS", 0);
        hue = defaults->get("VIDEO_HUE", 0);
        color = defaults->get("VIDEO_COLOR", 0);
        contrast = defaults->get("VIDEO_CONTRAST", 0);
        whiteness = defaults->get("VIDEO_WHITENESS", 0);

// The device must be probed first to keep unsupported controls from getting 
// displayed.
        for(int i = 0; i < controls.total; i++)
        {
                PictureItem *item = controls.values[i];
                char string[BCTEXTLEN];
                item->get_default_string(string);
                item->value = defaults->get(string, item->value);
//printf("PictureConfig::load_defaults %s %d %d\n", item->name, item->device_id, item->value);
        }
}

void PictureConfig::save_defaults()
{
        if(!defaults)
        {
                printf("PictureConfig::save_defaults: no defaults pointer.\n");
                return;
        }
        defaults->update("VIDEO_BRIGHTNESS", brightness);
        defaults->update("VIDEO_HUE", hue);
        defaults->update("VIDEO_COLOR", color);
        defaults->update("VIDEO_CONTRAST", contrast);
        defaults->update("VIDEO_WHITENESS", whiteness);
        for(int i = 0; i < controls.total; i++)
        {
                PictureItem *item = controls.values[i];
                char string[BCTEXTLEN];
                item->get_default_string(string);
                defaults->update(string, item->value);
//printf("PictureConfig::save_defaults %s %d %d\n", string, item->device_id, item->value);
        }
}

void PictureConfig::dump()
{
        printf("    VIDEO_BRIGHTNESS=%d\n", brightness);
        printf("    VIDEO_HUE=%d\n", hue);
        printf("    VIDEO_COLOR=%d\n", color);
        printf("    VIDEO_CONTRAST=%d\n", contrast);
        printf("    VIDEO_WHITENESS=%d\n", whiteness);
        for(int i = 0; i < controls.total; i++)
        {
                PictureItem *item = controls.values[i];
                char string[BCTEXTLEN];
                item->get_default_string(string);
                printf("    %s=%d\n", string, item->value);
        }
}

PictureItem* PictureConfig::new_item(const char *name)
{
        for(int i = 0; i < controls.total; i++)
        {
                if(!strcmp(controls.values[i]->name, name)) return controls.values[i];
        }
        PictureItem *item = new PictureItem;
        strcpy(item->name, name);
        controls.append(item);
        return item;
}

PictureItem* PictureConfig::get_item(const char *name, int id)
{
        for(int i = 0; i < controls.total; i++)
        {
                if(!strcmp(controls.values[i]->name, name) &&
                        controls.values[i]->device_id == id) return controls.values[i];
        }
        return 0;
}

void PictureConfig::set_item(int device_id, int value)
{
        for(int i = 0; i < controls.total; i++)
        {
                if(controls.values[i]->device_id == device_id)
                {
                        controls.values[i]->value = value;
                        return;
                }
        }
}

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