forked from Green-Sky/tomato
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
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#include "./message_image_loader.hpp"
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#include "./image_loader_sdl_bmp.hpp"
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#include "./image_loader_stb.hpp"
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#include "./image_loader_webp.hpp"
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#include <solanaceae/message3/components.hpp>
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#include <iostream>
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#include <fstream>
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#include <cassert>
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#include <vector>
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MessageImageLoader::MessageImageLoader(void) {
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_image_loaders.push_back(std::make_unique<ImageLoaderSDLBMP>());
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_image_loaders.push_back(std::make_unique<ImageLoaderWebP>());
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_image_loaders.push_back(std::make_unique<ImageLoaderSTB>());
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}
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std::optional<TextureEntry> MessageImageLoader::load(TextureUploaderI& tu, Message3Handle m) {
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if (!static_cast<bool>(m)) {
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return std::nullopt;
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}
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if (m.all_of<Message::Components::Transfer::FileInfoLocal>()) {
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const auto& file_list = m.get<Message::Components::Transfer::FileInfoLocal>().file_list;
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assert(!file_list.empty());
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const auto& file_path = file_list.front();
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std::ifstream file(file_path, std::ios::binary);
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if (file.is_open()) {
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std::vector<uint8_t> tmp_buffer;
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while (file.good()) {
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auto ch = file.get();
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if (ch == EOF) {
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break;
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} else {
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tmp_buffer.push_back(ch);
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}
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}
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// try all loaders after another
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for (auto& il : _image_loaders) {
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auto res = il->loadFromMemoryRGBA(tmp_buffer.data(), tmp_buffer.size());
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if (res.frames.empty() || res.height == 0 || res.width == 0) {
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continue;
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}
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TextureEntry new_entry;
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new_entry.timestamp_last_rendered = getNowMS();
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new_entry.current_texture = 0;
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for (const auto& [ms, data] : res.frames) {
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const auto n_t = tu.uploadRGBA(data.data(), res.width, res.height);
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new_entry.textures.push_back(n_t);
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new_entry.frame_duration.push_back(ms);
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}
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new_entry.width = res.width;
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new_entry.height = res.height;
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std::cout << "MIL: loaded image file " << file_path << "\n";
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return new_entry;
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}
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}
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}
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return std::nullopt;
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}
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