/*
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* Copyright 2011 Google Inc. All Rights Reserved.
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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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* http://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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*/
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#include "gtest/gtest.h"
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#include "sample/chromium/font_subsetter.h"
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#include "test/test_data.h"
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#include "test/test_font_utils.h"
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namespace {
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// Use an additional variable to easily change name for testing.
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const char* kInputFileName = sfntly::SAMPLE_TTF_FILE;
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const char* kFontName = "Tuffy";
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const char* kOutputFileName = "tuffy-s.ttf";
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// The subset we want: Hello, world!
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// The array is unsorted to verify that the subsetter gets the glyph id
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// correctly.
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const unsigned int kGlyphIds[] = { 43, 72, 79, 82, 15, 3, 90, 85, 71, 4 };
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const unsigned int kGlyphIdsCount = sizeof(kGlyphIds) / sizeof(unsigned int);
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}
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// This function is deliberately located at global namespace.
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bool TestChromeSubsetter() {
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sfntly::ByteVector input_buffer;
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sfntly::LoadFile(kInputFileName, &input_buffer);
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EXPECT_GT(input_buffer.size(), (size_t)0);
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unsigned char* output_buffer = NULL;
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int output_length =
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SfntlyWrapper::SubsetFont(kFontName,
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&(input_buffer[0]),
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input_buffer.size(),
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kGlyphIds,
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kGlyphIdsCount,
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&output_buffer);
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EXPECT_GT(output_length, 0);
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if (output_length > 0) {
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FILE* output_file = NULL;
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#if defined WIN32
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fopen_s(&output_file, kOutputFileName, "wb");
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#else
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output_file = fopen(kOutputFileName, "wb");
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#endif
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EXPECT_TRUE((output_file != NULL));
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if (output_file) {
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int byte_count = fwrite(output_buffer, 1, output_length, output_file);
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EXPECT_EQ(byte_count, output_length);
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fflush(output_file);
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fclose(output_file);
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}
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delete[] output_buffer;
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return true;
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}
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return false;
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}
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TEST(ChromeSubsetter, All) {
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EXPECT_TRUE(TestChromeSubsetter());
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}
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