diff options
author | dec05eba <dec05eba@protonmail.com> | 2020-10-01 19:12:33 +0200 |
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committer | dec05eba <dec05eba@protonmail.com> | 2020-10-01 19:12:33 +0200 |
commit | 30dbaeb2b175c1e67f57aba748ced1a2280fb56d (patch) | |
tree | b84cd3b4d2eaa94c3b91fb1f1cb75e5a8733038e /include/AsyncImageLoader.hpp | |
parent | d760a699bebd950644aa7a7aa006ce698a995e47 (diff) |
Matrix: add room name and avatar of the current room at the top
Diffstat (limited to 'include/AsyncImageLoader.hpp')
-rw-r--r-- | include/AsyncImageLoader.hpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/AsyncImageLoader.hpp b/include/AsyncImageLoader.hpp new file mode 100644 index 0000000..27e46e3 --- /dev/null +++ b/include/AsyncImageLoader.hpp @@ -0,0 +1,36 @@ +#pragma once + +#include <string> +#include <SFML/System/Vector2.hpp> +#include <SFML/Graphics/Texture.hpp> +#include <memory> +#include <future> + +namespace QuickMedia { + enum class LoadingState { + NOT_LOADED, + LOADING, + FINISHED_LOADING, + APPLIED_TO_TEXTURE + }; + + struct ThumbnailData { + bool referenced = false; + LoadingState loading_state = LoadingState::NOT_LOADED; + sf::Texture texture; + std::unique_ptr<sf::Image> image; // Set in another thread. This should be .reset after loading it into |texture|, to save memory + }; + + class AsyncImageLoader { + public: + // Returns false if the image loader is already loading an image. In that case, this function should be called again later. + // set |resize_target_size| to {0, 0} to disable resizing. + // |thumbnail_data.loading_state| has to be LoadingState::NOT_LOADED when calling this! + // Note: this method is not thread-safe + bool load_thumbnail(const std::string &url, bool local, sf::Vector2i resize_target_size, bool use_tor, std::shared_ptr<ThumbnailData> thumbnail_data); + void update(); + private: + bool loading_image = false; + std::future<void> load_image_future; + }; +}
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