diff options
Diffstat (limited to 'src/openvic/utility')
-rw-r--r-- | src/openvic/utility/BMP.cpp | 163 | ||||
-rw-r--r-- | src/openvic/utility/BMP.hpp | 48 | ||||
-rw-r--r-- | src/openvic/utility/Logger.cpp | 20 | ||||
-rw-r--r-- | src/openvic/utility/Logger.hpp | 87 |
4 files changed, 0 insertions, 318 deletions
diff --git a/src/openvic/utility/BMP.cpp b/src/openvic/utility/BMP.cpp deleted file mode 100644 index 9a90d68..0000000 --- a/src/openvic/utility/BMP.cpp +++ /dev/null @@ -1,163 +0,0 @@ -#include "BMP.hpp" - -#include <cstring> -#include <set> - -#include "Logger.hpp" - -using namespace OpenVic; - -BMP::~BMP() { - close(); -} - -return_t BMP::open(char const* filepath) { - reset(); - errno = 0; - file = fopen(filepath, "rb"); - if (file == nullptr || errno != 0) { - Logger::error("Failed to open BMP file \"", filepath, "\" (errno = ", errno, ")"); - file = nullptr; - return FAILURE; - } - return SUCCESS; -} - -return_t BMP::read_header() { - if (header_validated) { - Logger::error("BMP header already validated!"); - return FAILURE; - } - if (file == nullptr) { - Logger::error("Cannot read BMP header before opening a file"); - return FAILURE; - } - if (fseek(file, 0, SEEK_SET) != 0) { - Logger::error("Failed to move to the beginning of the BMP file!"); - return FAILURE; - } - if (fread(&header, sizeof(header), 1, file) != 1) { - Logger::error("Failed to read BMP header!"); - return FAILURE; - } - return_t ret = SUCCESS; - - // Validate constants - static constexpr uint16_t BMP_SIGNATURE = 0x4d42; - if (header.signature != BMP_SIGNATURE) { - Logger::error("Invalid BMP signature: ", header.signature, " (must be ", BMP_SIGNATURE, ")"); - ret = FAILURE; - } - static constexpr uint32_t DIB_HEADER_SIZE = 40; - if (header.dib_header_size != DIB_HEADER_SIZE) { - Logger::error("Invalid BMP DIB header size: ", header.dib_header_size, " (must be ", DIB_HEADER_SIZE, ")"); - ret = FAILURE; - } - static constexpr uint16_t NUM_PLANES = 1; - if (header.num_planes != NUM_PLANES) { - Logger::error("Invalid BMP plane count: ", header.num_planes, " (must be ", NUM_PLANES, ")"); - ret = FAILURE; - } - static constexpr uint16_t COMPRESSION = 0; // Only support uncompressed BMPs - if (header.compression != COMPRESSION) { - Logger::error("Invalid BMP compression method: ", header.compression, " (must be ", COMPRESSION, ")"); - ret = FAILURE; - } - - // Validate sizes and dimensions - // TODO - image_size_bytes can be 0 for non-compressed BMPs - if (header.file_size != header.offset + header.image_size_bytes) { - Logger::error("Invalid BMP memory sizes: file size = ", header.file_size, " != ", header.offset + header.image_size_bytes, - " = ", header.offset, " + ", header.image_size_bytes, " = image data offset + image data size"); - ret = FAILURE; - } - // TODO - support negative widths (i.e. horizontal flip) - if (header.width_px <= 0) { - Logger::error("Invalid BMP width: ", header.width_px, " (must be positive)"); - ret = FAILURE; - } - // TODO - support negative heights (i.e. vertical flip) - if (header.height_px <= 0) { - Logger::error("Invalid BMP height: ", header.height_px, " (must be positive)"); - ret = FAILURE; - } - // TODO - validate x_resolution_ppm - // TODO - validate y_resolution_ppm - - // Validate colours -#define VALID_BITS_PER_PIXEL 1, 2, 4, 8, 16, 24, 32 -#define STR(x) #x - static const std::set<uint16_t> BITS_PER_PIXEL { VALID_BITS_PER_PIXEL }; - if (!BITS_PER_PIXEL.contains(header.bits_per_pixel)) { - Logger::error("Invalid BMP bits per pixel: ", header.bits_per_pixel, " (must be one of " STR(VALID_BITS_PER_PIXEL) ")"); - ret = FAILURE; - } -#undef VALID_BITS_PER_PIXEL -#undef STR - static constexpr uint16_t PALETTE_BITS_PER_PIXEL_LIMIT = 8; - if (header.num_colours != 0 && header.bits_per_pixel > PALETTE_BITS_PER_PIXEL_LIMIT) { - Logger::error("Invalid BMP palette size: ", header.num_colours, " (should be 0 as bits per pixel is ", header.bits_per_pixel, " > 8)"); - ret = FAILURE; - } - // TODO - validate important_colours - - palette_size = header.bits_per_pixel > PALETTE_BITS_PER_PIXEL_LIMIT ? 0 - // Use header.num_colours if it's greater than 0 and at most 1 << header.bits_per_pixel - : 0 < header.num_colours && header.num_colours - 1 >> header.bits_per_pixel == 0 ? header.num_colours - : 1 << header.bits_per_pixel; - - const uint32_t expected_offset = palette_size * PALETTE_COLOUR_SIZE + sizeof(header); - if (header.offset != expected_offset) { - Logger::error("Invalid BMP image data offset: ", header.offset, " (should be ", expected_offset, ")"); - ret = FAILURE; - } - - header_validated = ret == SUCCESS; - return ret; -} - -return_t BMP::read_palette() { - if (file == nullptr) { - Logger::error("Cannot read BMP palette before opening a file"); - return FAILURE; - } - if (!header_validated) { - Logger::error("Cannot read palette before BMP header is validated!"); - return FAILURE; - } - if (palette_size == 0) { - Logger::error("Cannot read BMP palette - header indicates this file doesn't have one"); - return FAILURE; - } - if (fseek(file, sizeof(header), SEEK_SET) != 0) { - Logger::error("Failed to move to the palette in the BMP file!"); - return FAILURE; - } - palette.resize(palette_size); - if (fread(palette.data(), palette_size * PALETTE_COLOUR_SIZE, 1, file) != 1) { - Logger::error("Failed to read BMP header!"); - palette.clear(); - return FAILURE; - } - return SUCCESS; -} - -void BMP::close() { - if (file != nullptr) { - if (fclose(file) != 0) - Logger::error("Failed to close BMP!"); - file = nullptr; - } -} - -void BMP::reset() { - close(); - memset(&header, 0, sizeof(header)); - header_validated = false; - palette_size = 0; - palette.clear(); -} - -std::vector<colour_t> const& BMP::get_palette() const { - return palette; -} diff --git a/src/openvic/utility/BMP.hpp b/src/openvic/utility/BMP.hpp deleted file mode 100644 index c6f5815..0000000 --- a/src/openvic/utility/BMP.hpp +++ /dev/null @@ -1,48 +0,0 @@ -#pragma once - -#include "../Types.hpp" - -namespace OpenVic { - class BMP { -#pragma pack(push) -#pragma pack(1) - struct header_t { - uint16_t signature; // Signature: 0x4d42 (or 'B' 'M') - uint32_t file_size; // File size in bytes - uint16_t reserved1; // Not used - uint16_t reserved2; // Not used - uint32_t offset; // Offset to image data in bytes from beginning of file - uint32_t dib_header_size; // DIB header size in bytes - int32_t width_px; // Width of the image - int32_t height_px; // Height of image - uint16_t num_planes; // Number of colour planes - uint16_t bits_per_pixel; // Bits per pixel - uint32_t compression; // Compression type - uint32_t image_size_bytes; // Image size in bytes - int32_t x_resolution_ppm; // Pixels per meter - int32_t y_resolution_ppm; // Pixels per meter - uint32_t num_colours; // Number of colours - uint32_t important_colours; // Important colours - } header; -#pragma pack(pop) - - FILE* file = nullptr; - bool header_validated = false; - uint32_t palette_size = 0; - std::vector<colour_t> palette; - - public: - static constexpr uint32_t PALETTE_COLOUR_SIZE = sizeof(colour_t); - - BMP() = default; - ~BMP(); - - return_t open(char const* filepath); - return_t read_header(); - return_t read_palette(); - void close(); - void reset(); - - std::vector<colour_t> const& get_palette() const; - }; -} diff --git a/src/openvic/utility/Logger.cpp b/src/openvic/utility/Logger.cpp deleted file mode 100644 index bf9a67c..0000000 --- a/src/openvic/utility/Logger.cpp +++ /dev/null @@ -1,20 +0,0 @@ -#include "Logger.hpp" - -#include <iostream> - -using namespace OpenVic; - -Logger::log_func_t Logger::info_func {}; -Logger::log_queue_t Logger::info_queue {}; -Logger::log_func_t Logger::error_func {}; -Logger::log_queue_t Logger::error_queue {}; - -char const* Logger::get_filename(char const* filepath) { - if (filepath == nullptr) return nullptr; - char const* last_slash = filepath; - while (*filepath != '\0') { - if (*filepath == '\\' || *filepath == '/') last_slash = filepath + 1; - filepath++; - } - return last_slash; -} diff --git a/src/openvic/utility/Logger.hpp b/src/openvic/utility/Logger.hpp deleted file mode 100644 index 417aba7..0000000 --- a/src/openvic/utility/Logger.hpp +++ /dev/null @@ -1,87 +0,0 @@ -#pragma once - -#include <functional> -#include <queue> -#include <sstream> -#ifdef __cpp_lib_source_location -#include <source_location> -#endif - -namespace OpenVic { - -#ifndef __cpp_lib_source_location -#include <string> - // Implementation of std::source_location for compilers that do not support it - // Note: uses non-standard extensions that are supported by Clang, GCC, and MSVC - // https://clang.llvm.org/docs/LanguageExtensions.html#source-location-builtins - // https://stackoverflow.com/a/67970107 - class source_location { - std::string _file; - int _line; - std::string _function; - - public: - source_location(std::string f, int l, std::string n) : _file(f), _line(l), _function(n) {} - static source_location current(std::string f = __builtin_FILE(), int l = __builtin_LINE(), std::string n = __builtin_FUNCTION()) { - return source_location(f, l, n); - } - - inline char const* file_name() const { return _file.c_str(); } - inline int line() const { return _line; } - inline char const* function_name() const { return _function.c_str(); } - }; -#endif - - class Logger { - using log_func_t = std::function<void(std::string&&)>; - using log_queue_t = std::queue<std::string>; - -#ifdef __cpp_lib_source_location - using source_location = std::source_location; -#else - using source_location = OpenVic::source_location; -#endif - - static char const* get_filename(char const* filepath); - - template<typename... Ts> - struct log { - log(log_func_t log_func, log_queue_t& log_queue, Ts&&... ts, source_location const& location) { - std::stringstream stream; - stream << "\n" << get_filename(location.file_name()) << "(" - << location.line() << ") `" << location.function_name() << "`: "; - ((stream << std::forward<Ts>(ts)), ...); - stream << std::endl; - log_queue.push(stream.str()); - if (log_func) { - do { - log_func(std::move(log_queue.front())); - log_queue.pop(); - } while (!log_queue.empty()); - } - } - }; - -#define LOG_FUNC(name) \ - private: \ - static log_func_t name##_func; \ - static log_queue_t name##_queue; \ - public: \ - static void set_##name##_func(log_func_t log_func) { \ - name##_func = log_func; \ - } \ - template <typename... Ts> \ - struct name { \ - name(Ts&&... ts, source_location const& location = source_location::current()) { \ - log<Ts...>{ name##_func, name##_queue, std::forward<Ts>(ts)..., location }; \ - } \ - }; \ - template <typename... Ts> \ - name(Ts&&...) -> name<Ts...>; - - LOG_FUNC(info) - LOG_FUNC(error) - -#undef LOG_FUNC - }; -} |