| /* |
| * 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. |
| */ |
| // File is originally from Chromium third_party/sfntly/src/subsetter. |
| // Use as test case in sfntly so that problems can be caught in upstream early. |
| #ifndef SFNTLY_CPP_SRC_TEST_FONT_SUBSETTER_H_ |
| #define SFNTLY_CPP_SRC_TEST_FONT_SUBSETTER_H_ |
| |
| #include <cstddef> |
| |
| class SfntlyWrapper { |
| public: |
| |
| // Font subsetting API |
| // |
| // Input TTF/TTC/OTF fonts, specify the glyph IDs to subset, and the subset |
| // font is returned in |output_buffer| (caller to delete[]). Return value is |
| // the length of output_buffer allocated. |
| // |
| // If subsetting fails, a negative value is returned. If none of the glyph |
| // IDs specified is found, the function will return 0. |
| // |
| // |font_name| Font name, required for TTC files. If specified NULL, |
| // the first available font is selected. |
| // |original_font| Original font file contents. |
| // |font_size| Size of |original_font| in bytes. |
| // |glyph_ids| Glyph IDs to subset. If the specified glyph ID is not |
| // found in the font file, it will be ignored silently. |
| // |glyph_count| Number of glyph IDs in |glyph_ids| |
| // |output_buffer| Generated subset font. Caller to delete[]. |
| static int SubsetFont(const char* font_name, |
| const unsigned char* original_font, |
| size_t font_size, |
| const unsigned int* glyph_ids, |
| size_t glyph_count, |
| unsigned char** output_buffer); |
| }; |
| |
| #endif // SFNTLY_CPP_SRC_TEST_FONT_SUBSETTER_H_ |