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| 1 /* libs/graphics/ports/SkFontHost_fontconfig_direct.h |
| 2 ** |
| 3 ** Copyright 2009, Google Inc. |
| 4 ** |
| 5 ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 ** you may not use this file except in compliance with the License. |
| 7 ** You may obtain a copy of the License at |
| 8 ** |
| 9 ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 ** |
| 11 ** Unless required by applicable law or agreed to in writing, software |
| 12 ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 ** See the License for the specific language governing permissions and |
| 15 ** limitations under the License. |
| 16 */ |
| 17 |
| 18 #ifndef FontConfigIPC_DEFINED |
| 19 #define FontConfigIPC_DEFINED |
| 20 |
| 21 // http://code.google.com/p/chromium/wiki/LinuxSandboxIPC |
| 22 |
| 23 #include <map> |
| 24 #include <string> |
| 25 |
| 26 #include "SkFontHost_fontconfig_impl.h" |
| 27 |
| 28 class FontConfigIPC : public FontConfigInterface { |
| 29 public: |
| 30 FontConfigIPC(int fd); |
| 31 ~FontConfigIPC(); |
| 32 |
| 33 // FontConfigInterface implementation. |
| 34 virtual bool Match(std::string* result_family, unsigned* result_fileid, |
| 35 bool fileid_valid, unsigned fileid, |
| 36 const std::string& family, int is_bold, int is_italic); |
| 37 virtual int Open(unsigned fileid); |
| 38 |
| 39 enum Method { |
| 40 METHOD_MATCH = 0, |
| 41 METHOD_OPEN = 1, |
| 42 }; |
| 43 |
| 44 struct MatchRequest { |
| 45 uint16_t method; |
| 46 uint8_t fileid_valid; |
| 47 uint32_t fileid; |
| 48 int8_t is_bold; |
| 49 int8_t is_italic; |
| 50 uint8_t family_len; |
| 51 // char family[0] follows. |
| 52 }; |
| 53 |
| 54 struct MatchReply { |
| 55 uint8_t result; |
| 56 uint32_t result_fileid; |
| 57 uint16_t filename_len; |
| 58 // char filename[0] follows. |
| 59 }; |
| 60 |
| 61 struct OpenRequest { |
| 62 uint16_t method; |
| 63 unsigned fileid; |
| 64 }; |
| 65 |
| 66 struct OpenReply { |
| 67 uint8_t result; |
| 68 }; |
| 69 |
| 70 private: |
| 71 const int fd_; |
| 72 }; |
| 73 |
| 74 #endif // FontConfigIPC_DEFINED |
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