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https://gitea.windcorp.ru/Wind-Corporation/Progressia.git
synced 2025-04-22 00:50:45 +03:00
OLEGSHA
a110c9de03
- Added logging - Rewrote versioning code - Refactored dependency management - STB (stb_image.h) is now included - All other dependencies now use find_package - Cross-compilation from Linux to Windows is now possible
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
#include "image.h"
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#include <cstring>
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#include <filesystem>
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#include <fstream>
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#include <iostream>
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#include <vector>
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#include "stb/stb_image.h"
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#include "../logging.h"
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using namespace progressia::main::logging;
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namespace progressia {
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namespace main {
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std::size_t Image::getSize() const { return data.size(); }
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const Image::Byte *Image::getData() const { return data.data(); }
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Image::Byte *Image::getData() { return data.data(); }
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Image loadImage(const std::filesystem::path &path) {
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std::ifstream file(path, std::ios::ate | std::ios::binary);
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if (!file.is_open()) {
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fatal() << "Could not access a PNG image in file " << path;
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// REPORT_ERROR
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exit(1);
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}
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std::size_t fileSize = static_cast<std::size_t>(file.tellg());
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std::vector<Image::Byte> png(fileSize);
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file.seekg(0);
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file.read(reinterpret_cast<char *>(png.data()), fileSize);
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file.close();
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int width;
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int height;
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int channelsInFile;
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Image::Byte *stbAllocatedData =
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stbi_load_from_memory(png.data(), png.size(), &width, &height,
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&channelsInFile, STBI_rgb_alpha);
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if (stbAllocatedData == NULL) {
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fatal() << "Could not decode a PNG image from file " << path;
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// REPORT_ERROR
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exit(1);
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}
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std::vector<Image::Byte> data(width * height * STBI_rgb_alpha);
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memcpy(data.data(), stbAllocatedData, data.size());
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stbi_image_free(stbAllocatedData);
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return {static_cast<std::size_t>(width), static_cast<std::size_t>(height),
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data};
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}
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} // namespace main
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} // namespace progressia
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