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/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gtest/gtest.h"
#include "sample/chromium/font_subsetter.h"
#include "test/test_data.h"
#include "test/test_font_utils.h"
namespace {
// Use an additional variable to easily change name for testing.
const char* kInputFileName = sfntly::SAMPLE_TTF_FILE;
const char* kFontName = "Tuffy";
const char* kOutputFileName = "tuffy-s.ttf";
// The subset we want: Hello, world!
// The array is unsorted to verify that the subsetter gets the glyph id
// correctly.
const unsigned int kGlyphIds[] = { 43, 72, 79, 82, 15, 3, 90, 85, 71, 4 };
const unsigned int kGlyphIdsCount = sizeof(kGlyphIds) / sizeof(unsigned int);
}
// This function is deliberately located at global namespace.
bool TestChromeSubsetter() {
sfntly::ByteVector input_buffer;
sfntly::LoadFile(kInputFileName, &input_buffer);
EXPECT_GT(input_buffer.size(), (size_t)0);
unsigned char* output_buffer = NULL;
int output_length =
SfntlyWrapper::SubsetFont(kFontName,
&(input_buffer[0]),
input_buffer.size(),
kGlyphIds,
kGlyphIdsCount,
&output_buffer);
EXPECT_GT(output_length, 0);
if (output_length > 0) {
FILE* output_file = NULL;
#if defined WIN32
fopen_s(&output_file, kOutputFileName, "wb");
#else
output_file = fopen(kOutputFileName, "wb");
#endif
EXPECT_TRUE((output_file != NULL));
if (output_file) {
int byte_count = fwrite(output_buffer, 1, output_length, output_file);
EXPECT_EQ(byte_count, output_length);
fflush(output_file);
fclose(output_file);
}
delete[] output_buffer;
return true;
}
return false;
}
TEST(ChromeSubsetter, All) {
EXPECT_TRUE(TestChromeSubsetter());
}
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