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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/apt/bcfnt/bcfnt.h"
#include "core/hle/service/service.h"
namespace Service {
namespace APT {
namespace BCFNT {
void RelocateSharedFont(Kernel::SharedPtr<Kernel::SharedMemory> shared_font, VAddr previous_address, VAddr new_address) {
static const u32 SharedFontStartOffset = 0x80;
u8* data = shared_font->GetPointer(SharedFontStartOffset);
CFNT cfnt;
memcpy(&cfnt, data, sizeof(cfnt));
// Advance past the header
data = shared_font->GetPointer(SharedFontStartOffset + cfnt.header_size);
for (unsigned block = 0; block < cfnt.num_blocks; ++block) {
u32 section_size = 0;
if (memcmp(data, "FINF", 4) == 0) {
BCFNT::FINF finf;
memcpy(&finf, data, sizeof(finf));
section_size = finf.section_size;
// Relocate the offsets in the FINF section
finf.cmap_offset += new_address - previous_address;
finf.cwdh_offset += new_address - previous_address;
finf.tglp_offset += new_address - previous_address;
memcpy(data, &finf, sizeof(finf));
} else if (memcmp(data, "CMAP", 4) == 0) {
BCFNT::CMAP cmap;
memcpy(&cmap, data, sizeof(cmap));
section_size = cmap.section_size;
// Relocate the offsets in the CMAP section
cmap.next_cmap_offset += new_address - previous_address;
memcpy(data, &cmap, sizeof(cmap));
} else if (memcmp(data, "CWDH", 4) == 0) {
BCFNT::CWDH cwdh;
memcpy(&cwdh, data, sizeof(cwdh));
section_size = cwdh.section_size;
// Relocate the offsets in the CWDH section
cwdh.next_cwdh_offset += new_address - previous_address;
memcpy(data, &cwdh, sizeof(cwdh));
} else if (memcmp(data, "TGLP", 4) == 0) {
BCFNT::TGLP tglp;
memcpy(&tglp, data, sizeof(tglp));
section_size = tglp.section_size;
// Relocate the offsets in the TGLP section
tglp.sheet_data_offset += new_address - previous_address;
memcpy(data, &tglp, sizeof(tglp));
}
data += section_size;
}
}
} // namespace BCFNT
} // namespace APT
} // namespace Service
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