Files
OpenSpace/modules/globebrowsing/tile/tileprovider/singleimageprovider.cpp
2017-04-25 19:12:42 -04:00

100 lines
4.0 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/tileprovider/singleimageprovider.h>
#include <ghoul/io/texture/texturereader.h>
#include <ghoul/misc/dictionary.h>
#include <ghoul/opengl/texture.h>
namespace {
const char* KeyFilePath = "FilePath";
}
namespace openspace {
namespace globebrowsing {
namespace tileprovider {
SingleImageProvider::SingleImageProvider(const ghoul::Dictionary& dictionary)
: _tile(nullptr, nullptr, Tile::Status::Unavailable)
{
// Required input
if (!dictionary.getValue<std::string>(KeyFilePath, _imagePath)) {
throw std::runtime_error(std::string("Must define key '") + KeyFilePath + "'");
}
reset();
}
SingleImageProvider::SingleImageProvider(const std::string& imagePath)
: _imagePath(imagePath)
, _tile(nullptr, nullptr, Tile::Status::Unavailable)
{
reset();
}
Tile SingleImageProvider::getTile(const TileIndex& tileIndex) {
return _tile;
}
Tile SingleImageProvider::getDefaultTile() {
return _tile;
}
Tile::Status SingleImageProvider::getTileStatus(const TileIndex& index) {
return _tile.status();
}
TileDepthTransform SingleImageProvider::depthTransform() {
TileDepthTransform transform;
transform.depthOffset = 0.0f;
transform.depthScale = 1.0f;
return transform;
}
void SingleImageProvider::update() {
// nothing to be done
}
void SingleImageProvider::reset() {
auto tileTexture = std::shared_ptr<ghoul::opengl::Texture>(
ghoul::io::TextureReader::ref().loadTexture(_imagePath)
);
auto tileStatus = tileTexture != nullptr ? Tile::Status::OK : Tile::Status::IOError;
auto tileMetaData = nullptr;
tileTexture->uploadTexture();
tileTexture->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
_tile = Tile(tileTexture, tileMetaData, tileStatus);
}
int SingleImageProvider::maxLevel() {
return 1337; // unlimited
}
} // namespace tileprovider
} // namespace globebrowsing
} // namespace openspace