Current Dev State

static/js/ketcher2/node_modules/ttf2woff2/csrc/fallback.cc

@@ -0,0 +1,51 @@
+// Emscripten wrapper
+#include <emscripten/bind.h>
+#include <stdlib.h>
+#include "./woff2/woff2_enc.h"
+
+using namespace emscripten;
+using std::string;
+
+int getSizePtr() {
+  int* sizePtr = reinterpret_cast<int*>(calloc(1, sizeof(int)));
+  return reinterpret_cast<int>(sizePtr);
+}
+
+int convert(int inputDataAddress, int inputLength, int outputSizePtrAddress) {
+  int* outputSizePtr = reinterpret_cast<int*>(outputSizePtrAddress);
+  char* inputData = reinterpret_cast<char*>(inputDataAddress);
+
+  size_t outputSize = woff2::MaxWOFF2CompressedSize(
+    reinterpret_cast<const uint8_t*>(inputData),
+    inputLength
+  );
+
+  uint8_t* outputData = reinterpret_cast<uint8_t*>(calloc(outputSize, sizeof(uint8_t)));
+
+
+  if(!woff2::ConvertTTFToWOFF2(
+    reinterpret_cast<const uint8_t*>(inputData),
+    inputLength,
+    outputData,
+    &outputSize
+  )) {
+    // throw an error
+  }
+
+  *outputSizePtr = outputSize;
+
+  return reinterpret_cast<int>(outputData);
+}
+
+void freePtrs(int outputDataAddress, int sizePtrAddress) {
+  int* sizePtr = reinterpret_cast<int*>(sizePtrAddress);
+  char* outputData = reinterpret_cast<char*>(outputDataAddress);
+  free(outputData);
+  free(sizePtr);
+}
+
+EMSCRIPTEN_BINDINGS(ttf2woff2_fallback) {
+    function("getSizePtr", &getSizePtr, allow_raw_pointers());
+    function("convert", &convert, allow_raw_pointers());
+    function("freePtrs", &freePtrs, allow_raw_pointers());
+}