path: root/src/core/hle/service/apt/bcfnt/bcfnt.h

// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

#include "common/swap.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/service/service.h"

namespace Service {
namespace APT {
namespace BCFNT { ///< BCFNT Shared Font file structures

struct CFNT {
    u8 magic[4];
    u16_le endianness;
    u16_le header_size;
    u32_le version;
    u32_le file_size;
    u32_le num_blocks;
};

struct SectionHeader {
    u8 magic[4];
    u32_le section_size;
};

struct FINF {
    u8 magic[4];
    u32_le section_size;
    u8 font_type;
    u8 line_feed;
    u16_le alter_char_index;
    u8 default_width[3];
    u8 encoding;
    u32_le tglp_offset;
    u32_le cwdh_offset;
    u32_le cmap_offset;
    u8 height;
    u8 width;
    u8 ascent;
    u8 reserved;
};

struct TGLP {
    u8 magic[4];
    u32_le section_size;
    u8 cell_width;
    u8 cell_height;
    u8 baseline_position;
    u8 max_character_width;
    u32_le sheet_size;
    u16_le num_sheets;
    u16_le sheet_image_format;
    u16_le num_columns;
    u16_le num_rows;
    u16_le sheet_width;
    u16_le sheet_height;
    u32_le sheet_data_offset;
};

struct CMAP {
    u8 magic[4];
    u32_le section_size;
    u16_le code_begin;
    u16_le code_end;
    u16_le mapping_method;
    u16_le reserved;
    u32_le next_cmap_offset;
};

struct CWDH {
    u8 magic[4];
    u32_le section_size;
    u16_le start_index;
    u16_le end_index;
    u32_le next_cwdh_offset;
};

/**
 * Relocates the internal addresses of the BCFNT Shared Font to the new base. The current base will
 * be auto-detected based on the file headers.
 *
 * @param shared_font SharedMemory object that contains the Shared Font
 * @param new_address New base for the offsets in the structure.
 */
void RelocateSharedFont(Kernel::SharedPtr<Kernel::SharedMemory> shared_font, VAddr new_address);

} // namespace BCFNT
} // namespace APT
} // namespace Service