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Fix TGLP size output #40

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Fix TGLP size output #40

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cbafa32
Fix TGLP size output
piepie62 Aug 29, 2025
0689ab3
Fix CWDH end off-by-one
piepie62 Aug 29, 2025
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6 changes: 4 additions & 2 deletions source/bcfnt.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -606,6 +606,8 @@ bool BCFNT::serialize (const std::string &path)
const std::uint32_t sheetOffset = (fileSize + MASK) & ~MASK;
fileSize = sheetOffset + sheetImages.size () * SHEET_SIZE;

const std::uint32_t totalTglpSize = fileSize - tglpOffset;

// CWDH headers + data
const std::uint32_t cwdhOffset = fileSize;
fileSize += 0x10; // CWDH header
Expand Down Expand Up @@ -676,7 +678,7 @@ bool BCFNT::serialize (const std::string &path)
// TGLP header
assert (std::distance (std::begin (output), it) == tglpOffset);
it << "TGLP" // magic
<< static_cast<std::uint32_t> (0x20) // section size
<< static_cast<std::uint32_t> (totalTglpSize) // section size
<< static_cast<std::uint8_t> (cellWidth) // cell width
<< static_cast<std::uint8_t> (cellHeight) // cell height
<< static_cast<std::uint8_t> (ascent) // cell baseline
Expand Down Expand Up @@ -715,7 +717,7 @@ bool BCFNT::serialize (const std::string &path)
it << "CWDH" // magic
<< static_cast<std::uint32_t> (0x10 + ((3 * glyphs.size () + 3) & ~3)) // section size
<< static_cast<std::uint16_t> (0) // start index
<< static_cast<std::uint16_t> (glyphs.size ()) // end index
<< static_cast<std::uint16_t> (glyphs.size () - 1) // end index
<< static_cast<std::uint32_t> (0); // next CWDH offset

for (const auto &info : glyphs)
Expand Down