Subversion Repositories tpanel

/*

 * Copyright (C) 2022 by Andreas Theofilu <andreas@theosys.at>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA

 */

#include <mutex>

#include "timgcache.h"

#include "terror.h"

using std::string;

using std::vector;

using std::mutex;

vector<_IMGCACHE> TImgCache::mImgCache;

mutex _imgCache;

TImgCache::~TImgCache()

{

    DECL_TRACER("TImgCache::~TImgCache()");

    mImgCache.clear();

}

bool TImgCache::addImage(const string& name, SkBitmap& bm, _IMGCACHE_BMTYPE bmType)

{

    DECL_TRACER("TImgCache::addImage(const string& name, SkBitmap& bm, _IMGCACHE_BMTYPE bmType)");

    _imgCache.lock();

    _IMGCACHE ic;

    ic.name = name;

    ic.bmType = bmType;

    ic.bitmap = bm;

    if (mImgCache.size() == 0)

    {

        mImgCache.push_back(ic);

        MSG_DEBUG("Bitmap \"" << name << "\" was freshly added.");

        _imgCache.unlock();

        return true;

    }

    vector<_IMGCACHE>::iterator iter;

    for (iter = mImgCache.begin(); iter != mImgCache.end(); ++iter)

    {

        if (iter->name == name)

        {

            MSG_DEBUG("Bitmap \"" << name << "\" already in cache.");

            _imgCache.unlock();

            return true;

        }

    }

    // Here we know that the image is not yet in the cache. So we add it now.

    mImgCache.push_back(ic);

    MSG_DEBUG("Bitmap \"" << name << "\" was added.");

    _imgCache.unlock();

    return true;

}

bool TImgCache::getBitmap(const string& name, SkBitmap *bm, _IMGCACHE_BMTYPE bmType, int *width, int *height)

{

    DECL_TRACER("TImgCache::getBitmap(const string& name, _IMGCACHE_BMTYPE bmType, int *width, int *height)");

    if (mImgCache.size() == 0 || !bm)

        return false;

    vector<_IMGCACHE>::iterator iter;

    for (iter = mImgCache.begin(); iter != mImgCache.end(); ++iter)

    {

        if (iter->name == name && iter->bmType == bmType)

        {

            *bm = iter->bitmap;

            if (width && !iter->bitmap.empty())

                *width = iter->bitmap.info().width();

            if (height && !iter->bitmap.empty())

                *height = iter->bitmap.info().height();

            MSG_DEBUG("Bitmap \"" << iter->name << "\" was found.");

            return true;

        }

    }

    if (width)

        *width = 0;

    if (height)

        *height = 0;

    return false;

}

bool TImgCache::delBitmap(const string& name, _IMGCACHE_BMTYPE bmType)

{

    DECL_TRACER("TImgCache::delBitmap(const string& name, _IMGCACHE_BMTYPE bmType)");

    if (name.empty() || mImgCache.size() == 0)

        return false;

    _imgCache.lock();

    vector<_IMGCACHE>::iterator iter;

    for (iter = mImgCache.begin(); iter != mImgCache.end(); ++iter)

    {

        if (iter->name == name && iter->bmType == bmType)

        {

            MSG_DEBUG("Bitmap \"" << iter->name << "\" will be erased.");

            mImgCache.erase(iter);

            _imgCache.unlock();

            return true;

        }

    }

    _imgCache.unlock();

    return false;

}

bool TImgCache::existBitmap(const string& name, _IMGCACHE_BMTYPE bmType)

{

    DECL_TRACER("TImgCache::existBitmap(const string& name, _IMGCACHE_BMTYPE bmType)");

    if (mImgCache.size() == 0)

        return false;

    vector<_IMGCACHE>::iterator iter;

    for (iter = mImgCache.begin(); iter != mImgCache.end(); ++iter)

    {

        if (iter->name == name && iter->bmType == bmType)

            return true;

    }

    return false;

}