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107 lines
4.3 KiB
C++
107 lines
4.3 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <modules/globebrowsing/tile/tileprovider/singleimageprovider.h>
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#include <ghoul/io/texture/texturereader.h>
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#include <ghoul/misc/dictionary.h>
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#include <ghoul/opengl/texture.h>
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namespace {
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const char* KeyFilePath = "FilePath";
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static const openspace::properties::Property::PropertyInfo FilePathInfo = {
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"FilePath",
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"File Path",
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"The file path that is used for this image provider. The file must point to an "
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"image that is then loaded and used for all tiles."
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};
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} // namespace
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namespace openspace::globebrowsing::tileprovider {
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SingleImageProvider::SingleImageProvider(const ghoul::Dictionary& dictionary)
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: _tile(nullptr, nullptr, Tile::Status::Unavailable)
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, _filePath(FilePathInfo)
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{
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// Required input
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std::string filePath;
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dictionary.getValue<std::string>(KeyFilePath, filePath);
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_filePath.setValue(filePath);
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addProperty(_filePath);
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reset();
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}
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SingleImageProvider::SingleImageProvider(const std::string& imagePath)
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: _tile(nullptr, nullptr, Tile::Status::Unavailable)
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, _filePath(FilePathInfo, imagePath)
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{
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reset();
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}
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Tile SingleImageProvider::getTile(const TileIndex&) {
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return _tile;
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}
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Tile::Status SingleImageProvider::getTileStatus(const TileIndex&) {
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return _tile.status();
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}
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TileDepthTransform SingleImageProvider::depthTransform() {
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TileDepthTransform transform;
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transform.depthOffset = 0.0f;
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transform.depthScale = 1.0f;
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return transform;
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}
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void SingleImageProvider::update() {
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// nothing to be done
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}
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void SingleImageProvider::reset() {
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if (_filePath.value().empty()) {
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return;
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}
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_tileTexture = ghoul::io::TextureReader::ref().loadTexture(_filePath);
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Tile::Status tileStatus = _tileTexture ? Tile::Status::OK : Tile::Status::IOError;
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if (!_tileTexture) {
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throw std::runtime_error(std::string("Unable to load texture '")
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+ _filePath.value() + "'");
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}
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_tileTexture->uploadTexture();
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_tileTexture->setFilter(ghoul::opengl::Texture::FilterMode::AnisotropicMipMap);
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_tile = Tile(_tileTexture.get(), nullptr, tileStatus);
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}
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int SingleImageProvider::maxLevel() {
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return 1337; // unlimited
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}
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} // namespace openspace::globebrowsing::tileprovider
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