77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <woff2/decode.h>
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#include <woff2/encode.h>
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#include <woff2/output.h>
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#include <cinttypes>
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#include <cstddef>
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#include <memory>
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extern "C" bool WOFF2_ConvertWOFF2ToTTF(const uint8_t* data, size_t length,
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uint8_t** result, size_t* result_length,
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size_t max_size) {
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if (result) {
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*result = nullptr;
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}
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if (result_length) {
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*result_length = 0;
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}
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if (!data || !length || !result || !result_length) {
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return false;
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}
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size_t final_size = ::woff2::ComputeWOFF2FinalSize(data, length);
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if (final_size > (max_size ? max_size : woff2::kDefaultMaxSize)) {
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return false;
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}
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auto buffer = std::make_unique<uint8_t[]>(final_size);
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woff2::WOFF2MemoryOut output(buffer.get(), final_size);
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if (!::woff2::ConvertWOFF2ToTTF(data, length, &output)) {
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return false;
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}
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*result = buffer.release();
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*result_length = final_size;
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return true;
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}
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extern "C" bool WOFF2_ConvertTTFToWOFF2(const uint8_t* data, size_t length,
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uint8_t** result,
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size_t* result_length) {
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if (result) {
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*result = nullptr;
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}
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if (result_length) {
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*result_length = 0;
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}
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if (!data || !length || !result || !result_length) {
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return false;
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}
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size_t size = woff2::MaxWOFF2CompressedSize(data, length);
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auto buffer = std::make_unique<uint8_t[]>(size);
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if (!buffer) {
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return false;
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}
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if (!woff2::ConvertTTFToWOFF2(data, length, buffer.get(), &size)) {
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return false;
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}
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*result = buffer.release();
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*result_length = size;
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return true;
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}
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extern "C" void WOFF2_Free(uint8_t* data) noexcept {
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std::unique_ptr<uint8_t[]> p{data};
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}
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