mirror of
https://github.com/OpenSpace/OpenSpace.git
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c275b2f833
* Rename OnScreenGui module to ImGui * Support multiple external module folders (closes #31) * Cleaning up CMake files * Restructure application specification * Add parameter for library mode to all modules * Add functions to handle global variable state * Misc/remove warnings (#383) * Increase build timeout and do a clean rebuild every commit
64 lines
3.4 KiB
C++
64 lines
3.4 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/tile.h>
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#include <modules/globebrowsing/tile/rawtiledatareader/rawtiledatareader.h>
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#include <modules/globebrowsing/tile/tilemetadata.h>
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namespace openspace::globebrowsing {
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const Tile Tile::TileUnavailable = Tile(nullptr, nullptr, Tile::Status::Unavailable);
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Tile::Tile(ghoul::opengl::Texture* texture,
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std::shared_ptr<TileMetaData> metaData, Status status)
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: _texture(texture)
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, _metaData(metaData)
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, _status(status)
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{ }
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glm::vec2 Tile::compensateSourceTextureSampling(glm::vec2 startOffset, glm::vec2 sizeDiff,
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glm::uvec2 resolution, glm::vec2 tileUV)
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{
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glm::vec2 sourceSize = glm::vec2(resolution) + sizeDiff;
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glm::vec2 currentSize = glm::vec2(resolution);
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glm::vec2 sourceToCurrentSize = currentSize / sourceSize;
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tileUV = sourceToCurrentSize * (tileUV - startOffset / sourceSize);
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return tileUV;
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}
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glm::vec2 Tile::TileUvToTextureSamplePosition(const TileUvTransform& uvTransform,
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glm::vec2 tileUV, glm::uvec2 resolution)
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{
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glm::vec2 uv = uvTransform.uvOffset + uvTransform.uvScale * tileUV;
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uv = compensateSourceTextureSampling(
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TileTextureInitData::tilePixelStartOffset,
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TileTextureInitData::tilePixelSizeDifference,
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resolution,
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uv);
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return uv;
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}
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} // namespace openspace::globebrowsing
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