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Side by Side Diff: chrome/renderer/renderer_sandbox_support_linux.h

Issue 2956002: Pepper v2 Font API browser implementation. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years, 5 months ago
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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
2 // source code is governed by a BSD-style license that can be found in the 2 // source code is governed by a BSD-style license that can be found in the
3 // LICENSE file. 3 // LICENSE file.
4 4
5 #ifndef CHROME_RENDERER_RENDERER_SANDBOX_SUPPORT_LINUX_H_ 5 #ifndef CHROME_RENDERER_RENDERER_SANDBOX_SUPPORT_LINUX_H_
6 #define CHROME_RENDERER_RENDERER_SANDBOX_SUPPORT_LINUX_H_ 6 #define CHROME_RENDERER_RENDERER_SANDBOX_SUPPORT_LINUX_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <string> 10 #include <string>
11 11
12 #include "third_party/npapi/bindings/npapi_extensions.h"
13
14 namespace WebKit { 12 namespace WebKit {
15 struct WebFontRenderStyle; 13 struct WebFontRenderStyle;
16 } 14 }
17 15
18 namespace renderer_sandbox_support { 16 namespace renderer_sandbox_support {
19 17
20 // Return a font family which provides glyphs for the Unicode code points 18 // Return a font family which provides glyphs for the Unicode code points
21 // specified by |utf16| 19 // specified by |utf16|
22 // utf16: a native-endian UTF16 string 20 // utf16: a native-endian UTF16 string
23 // num_utf16: the number of 16-bit words in |utf16| 21 // num_utf16: the number of 16-bit words in |utf16|
24 // 22 //
25 // Returns: the font family or an empty string if the request could not be 23 // Returns: the font family or an empty string if the request could not be
26 // satisfied. 24 // satisfied.
27 std::string getFontFamilyForCharacters(const uint16_t* utf16, size_t num_utf16); 25 std::string getFontFamilyForCharacters(const uint16_t* utf16, size_t num_utf16);
28 26
29 void getRenderStyleForStrike(const char* family, int sizeAndStyle, 27 void getRenderStyleForStrike(const char* family, int sizeAndStyle,
30 WebKit::WebFontRenderStyle* out); 28 WebKit::WebFontRenderStyle* out);
31 29
32 // Returns a file descriptor for a shared memory segment. 30 // Returns a file descriptor for a shared memory segment.
33 int MakeSharedMemorySegmentViaIPC(size_t length); 31 int MakeSharedMemorySegmentViaIPC(size_t length);
34 32
35 // Return a read-only file descriptor to the font which best matches the given 33 // Return a read-only file descriptor to the font which best matches the given
36 // properties or -1 on failure. 34 // properties or -1 on failure.
37 // charset: specifies the language(s) that the font must cover. See 35 // charset: specifies the language(s) that the font must cover. See
38 // render_sandbox_host_linux.cc for more information. 36 // render_sandbox_host_linux.cc for more information.
39 int MatchFontWithFallback(const std::string& face, bool bold, 37 int MatchFontWithFallback(const std::string& face, bool bold,
40 bool italic, NPCharset charset); 38 bool italic, int charset);
41 39
42 // GetFontTable loads a specified font table from an open SFNT file. 40 // GetFontTable loads a specified font table from an open SFNT file.
43 // fd: a file descriptor to the SFNT file. The position doesn't matter. 41 // fd: a file descriptor to the SFNT file. The position doesn't matter.
44 // table: the table in *big-endian* format, or 0 for the whole font file. 42 // table: the table in *big-endian* format, or 0 for the whole font file.
45 // output: a buffer of size output_length that gets the data. can be 0, in 43 // output: a buffer of size output_length that gets the data. can be 0, in
46 // which case output_length will be set to the required size in bytes. 44 // which case output_length will be set to the required size in bytes.
47 // output_length: size of output, if it's not 0. 45 // output_length: size of output, if it's not 0.
48 // 46 //
49 // returns: true on success. 47 // returns: true on success.
50 bool GetFontTable(int fd, uint32_t table, uint8_t* output, 48 bool GetFontTable(int fd, uint32_t table, uint8_t* output,
51 size_t* output_length); 49 size_t* output_length);
52 50
53 }; // namespace render_sandbox_support 51 }; // namespace render_sandbox_support
54 52
55 #endif // CHROME_RENDERER_RENDERER_SANDBOX_SUPPORT_LINUX_H_ 53 #endif // CHROME_RENDERER_RENDERER_SANDBOX_SUPPORT_LINUX_H_
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