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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
112 lines
4.4 KiB
C++
112 lines
4.4 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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#ifndef __OPENSPACE_MODULE_GLOBEBROWSING___TILE___H__
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#define __OPENSPACE_MODULE_GLOBEBROWSING___TILE___H__
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#include <modules/globebrowsing/tile/tileindex.h>
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#include <modules/globebrowsing/tile/tileuvtransform.h>
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#include <memory>
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namespace ghoul { namespace opengl {
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class Texture;
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}}
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namespace openspace {
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namespace globebrowsing {
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struct TileMetaData;
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struct TileUvTransform;
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/**
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* Defines a status and may have a Texture and TileMetaData
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*/
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struct Tile {
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std::shared_ptr<ghoul::opengl::Texture> texture;
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std::shared_ptr<TileMetaData> metaData;
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/**
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* Describe if this Tile is good for usage (OK) or otherwise
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* the reason why it is not.
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*/
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enum class Status {
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/**
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* E.g when texture data is not currently in memory.
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* texture and tileMetaData are both null
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*/
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Unavailable,
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/**
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* Can be set by <code>TileProvider</code>s if the requested
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* <code>TileIndex</code> is undefined for that particular
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* provider.
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* texture and metaData are both null
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*/
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OutOfRange,
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/**
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* An IO Error happend
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* texture and metaData are both null
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*/
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IOError,
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/**
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* The Texture is uploaded to the GPU and good for usage.
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* texture is defined. metaData may be defined.
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*/
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OK
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} status;
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/**
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* Instantiates a new tile with a single color.
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*
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* \param size The size of texture to be created
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* \param color defined RGBA values in range 0-255.
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*
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* \returns a Tile with status OK and the a texture
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* with the requested size and color
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*/
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static Tile createPlainTile(const glm::uvec2& size, const glm::uvec4& color);
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static glm::vec2 compensateSourceTextureSampling(glm::vec2 startOffset,
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glm::vec2 sizeDiff, glm::uvec2 resolution, glm::vec2 tileUV);
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static glm::vec2 TileUvToTextureSamplePosition(const TileUvTransform& uvTransform,
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glm::vec2 tileUV, glm::uvec2 resolution);
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/**
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* A tile with status unavailable that any user can return to
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* indicate that a tile was unavailable.
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*/
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static const Tile TileUnavailable;
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};
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} // namespace globebrowsing
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_GLOBEBROWSING___TILE___H__
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