mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-04 18:51:17 -06:00
0d03177d43
* Initial restructuring of the Globebrowsing branch * Update Ghoul repository Fix include guards * More cleanup * Split texttileprovider subclasses into separate files * Move TileProviders into namespace * Convert static class methods into free functions * Splitting tile subclasses into their own files Remove `using namespace` from header file * Split TileDataSet subclass into separate file Update SGCT reference * Move shader preprocessing data into internal class * More Globebrowsing cleanup * More cleanup Remove unused Convexhull class
117 lines
4.9 KiB
C++
117 lines
4.9 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2017 *
|
|
* *
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
|
|
* software and associated documentation files (the "Software"), to deal in the Software *
|
|
* without restriction, including without limitation the rights to use, copy, modify, *
|
|
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
|
|
* permit persons to whom the Software is furnished to do so, subject to the following *
|
|
* conditions: *
|
|
* *
|
|
* The above copyright notice and this permission notice shall be included in all copies *
|
|
* or substantial portions of the Software. *
|
|
* *
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
|
|
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
|
|
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
|
|
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
|
|
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
|
****************************************************************************************/
|
|
|
|
#include <modules/globebrowsing/tile/tilediskcache.h>
|
|
|
|
#include <modules/globebrowsing/tile/rawtile.h>
|
|
#include <modules/globebrowsing/tile/tile.h>
|
|
|
|
#include <ghoul/filesystem/filesystem.h>
|
|
|
|
#include <fstream>
|
|
|
|
using namespace ghoul::filesystem;
|
|
|
|
namespace openspace {
|
|
namespace globebrowsing {
|
|
|
|
const std::string TileDiskCache::CACHE_ROOT = "tilecache";
|
|
|
|
TileDiskCache::TileDiskCache(const std::string& name)
|
|
: _name(name)
|
|
{
|
|
std::string pathToCacheDir = FileSys.pathByAppendingComponent(CACHE_ROOT, name);
|
|
Directory cacheDir(pathToCacheDir, Directory::RawPath::No);
|
|
if (!FileSys.directoryExists(cacheDir)) {
|
|
FileSys.createDirectory(pathToCacheDir, FileSystem::Recursive::Yes);
|
|
}
|
|
_cacheDir = cacheDir;
|
|
}
|
|
|
|
bool TileDiskCache::has(const TileIndex& tileIndex) const {
|
|
File metaFile = getMetaDataFile(tileIndex);
|
|
return FileSys.fileExists(metaFile);
|
|
}
|
|
|
|
std::shared_ptr<RawTile> TileDiskCache::get(const TileIndex& tileIndex) {
|
|
File metaDataFile = getMetaDataFile(tileIndex);
|
|
File dataFile = getDataFile(tileIndex);
|
|
if (FileSys.fileExists(metaDataFile) && FileSys.fileExists(dataFile)) {
|
|
// read meta
|
|
std::ifstream ifsMeta;
|
|
ifsMeta.open(metaDataFile.path(), std::ifstream::in);
|
|
RawTile res = RawTile::deserializeMetaData(ifsMeta);
|
|
ifsMeta.close();
|
|
|
|
// read data
|
|
std::ifstream ifsData;
|
|
ifsData.open(dataFile.path(), std::ifstream::binary);
|
|
char * buffer = new char[res.nBytesImageData];
|
|
ifsData.read(buffer, res.nBytesImageData);
|
|
res.imageData = buffer;
|
|
|
|
return std::make_shared<RawTile>(res);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool TileDiskCache::put(const TileIndex& tileIndex, std::shared_ptr<RawTile> rawTile) {
|
|
File metaDataFile = getMetaDataFile(tileIndex);
|
|
if (!FileSys.fileExists(metaDataFile)) {
|
|
std::ofstream ofsMeta;
|
|
ofsMeta.open(metaDataFile.path());
|
|
rawTile->serializeMetaData(ofsMeta);
|
|
ofsMeta.close();
|
|
|
|
std::ofstream ofsData;
|
|
File dataFile = getDataFile(tileIndex);
|
|
ofsData.open(dataFile.path(), std::ofstream::binary);
|
|
char* data = (char*)rawTile->imageData;
|
|
ofsData.write(data, rawTile->nBytesImageData);
|
|
ofsData.close();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
std::string TileDiskCache::getFilePath(const TileIndex& tileIndex) const {
|
|
std::stringstream ss;
|
|
ss << tileIndex.level;
|
|
ss << "_" << tileIndex.x;
|
|
ss << "_" << tileIndex.y;
|
|
std::string filePath = FileSys.pathByAppendingComponent(_cacheDir.path(), ss.str());
|
|
return filePath;
|
|
}
|
|
|
|
File TileDiskCache::getMetaDataFile(const TileIndex& tileIndex) const {
|
|
return File(getFilePath(tileIndex) + ".meta");
|
|
}
|
|
|
|
File TileDiskCache::getDataFile(const TileIndex& tileIndex) const {
|
|
return File(getFilePath(tileIndex) + ".data");
|
|
}
|
|
|
|
} // namespace globebrowsing
|
|
} // namespace openspace
|