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/*
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* Copyright (C) 2022 by Andreas Theofilu <andreas@theosys.at>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <mutex>
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#include "timgcache.h"
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#include "terror.h"
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using std::string;
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using std::vector;
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using std::mutex;
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vector<_IMGCACHE> TImgCache::mImgCache;
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mutex _imgCache;
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TImgCache::~TImgCache()
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{
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DECL_TRACER("TImgCache::~TImgCache()");
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mImgCache.clear();
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}
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bool TImgCache::addImage(const string& name, SkBitmap& bm)
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{
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DECL_TRACER("TImgCache::addImage(const string& name, SkBitmap& bm)");
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_imgCache.lock();
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_IMGCACHE ic;
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ic.name = name;
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ic.bitmap = bm;
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if (mImgCache.size() == 0)
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{
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mImgCache.push_back(ic);
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MSG_DEBUG("Bitmap \"" << name << "\" was freshly added.");
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_imgCache.unlock();
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return true;
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}
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vector<_IMGCACHE>::iterator iter;
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for (iter = mImgCache.begin(); iter != mImgCache.end(); ++iter)
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{
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if (iter->name == name)
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{
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MSG_DEBUG("Bitmap \"" << name << "\" already in cache.");
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_imgCache.unlock();
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return true;
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}
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}
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// Here we know that the image is not yet in the cache. So we add it now.
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mImgCache.push_back(ic);
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MSG_DEBUG("Bitmap \"" << name << "\" was added.");
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_imgCache.unlock();
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return true;
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}
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bool TImgCache::getBitmap(const string& name, SkBitmap *bm)
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{
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DECL_TRACER("TImgCache::getBitmap(const string& name)");
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if (mImgCache.size() == 0 || !bm)
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return false;
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_imgCache.lock();
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vector<_IMGCACHE>::iterator iter;
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for (iter = mImgCache.begin(); iter != mImgCache.end(); ++iter)
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{
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if (iter->name == name)
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{
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*bm = iter->bitmap;
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MSG_DEBUG("Bitmap \"" << iter->name << "\" was found.");
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_imgCache.unlock();
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return true;
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}
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}
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_imgCache.unlock();
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return false;
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}
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bool TImgCache::delBitmap(const string& name)
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{
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DECL_TRACER("TImgCache::delBitmap(const string& name)");
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if (name.empty() || mImgCache.size() == 0)
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return false;
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_imgCache.lock();
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vector<_IMGCACHE>::iterator iter;
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for (iter = mImgCache.begin(); iter != mImgCache.end(); ++iter)
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{
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if (iter->name == name)
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{
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MSG_DEBUG("Bitmap \"" << iter->name << "\" will be erased.");
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mImgCache.erase(iter);
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_imgCache.unlock();
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return true;
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}
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}
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_imgCache.unlock();
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return false;
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}
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