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52 lines
1.4 KiB
52 lines
1.4 KiB
2 years ago
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// Emscripten wrapper
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#include <emscripten/bind.h>
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#include <stdlib.h>
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#include "./woff2/woff2_enc.h"
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using namespace emscripten;
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using std::string;
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int getSizePtr() {
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int* sizePtr = reinterpret_cast<int*>(calloc(1, sizeof(int)));
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return reinterpret_cast<int>(sizePtr);
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}
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int convert(int inputDataAddress, int inputLength, int outputSizePtrAddress) {
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int* outputSizePtr = reinterpret_cast<int*>(outputSizePtrAddress);
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char* inputData = reinterpret_cast<char*>(inputDataAddress);
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size_t outputSize = woff2::MaxWOFF2CompressedSize(
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reinterpret_cast<const uint8_t*>(inputData),
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inputLength
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);
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uint8_t* outputData = reinterpret_cast<uint8_t*>(calloc(outputSize, sizeof(uint8_t)));
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if(!woff2::ConvertTTFToWOFF2(
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reinterpret_cast<const uint8_t*>(inputData),
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inputLength,
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outputData,
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&outputSize
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)) {
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// throw an error
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}
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*outputSizePtr = outputSize;
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return reinterpret_cast<int>(outputData);
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}
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void freePtrs(int outputDataAddress, int sizePtrAddress) {
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int* sizePtr = reinterpret_cast<int*>(sizePtrAddress);
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char* outputData = reinterpret_cast<char*>(outputDataAddress);
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free(outputData);
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free(sizePtr);
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}
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EMSCRIPTEN_BINDINGS(ttf2woff2_fallback) {
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function("getSizePtr", &getSizePtr, allow_raw_pointers());
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function("convert", &convert, allow_raw_pointers());
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function("freePtrs", &freePtrs, allow_raw_pointers());
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}
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