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annotate freetype2/freetype/ftbzip2.h @ 1299:f0e805c09ed6 draft

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minor fix xml_walk and pickup_float, not work yet.
author Yutaka_Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
date Sun, 04 Dec 2011 18:50:53 +0900
parents a8ab91f49cac
children
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1 /***************************************************************************/
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2 /* */
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3 /* ftbzip2.h */
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4 /* */
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5 /* Bzip2-compressed stream support. */
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6 /* */
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7 /* Copyright 2010 by */
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8 /* Joel Klinghed. */
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9 /* */
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10 /* This file is part of the FreeType project, and may only be used, */
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11 /* modified, and distributed under the terms of the FreeType project */
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12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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13 /* this file you indicate that you have read the license and */
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14 /* understand and accept it fully. */
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15 /* */
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16 /***************************************************************************/
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17
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18
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19 #ifndef __FTBZIP2_H__
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20 #define __FTBZIP2_H__
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21
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22 #include <ft2build.h>
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23 #include FT_FREETYPE_H
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24
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25 #ifdef FREETYPE_H
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26 #error "freetype.h of FreeType 1 has been loaded!"
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27 #error "Please fix the directory search order for header files"
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28 #error "so that freetype.h of FreeType 2 is found first."
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29 #endif
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30
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31
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32 FT_BEGIN_HEADER
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33
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34 /*************************************************************************/
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35 /* */
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36 /* <Section> */
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37 /* bzip2 */
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38 /* */
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39 /* <Title> */
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40 /* BZIP2 Streams */
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41 /* */
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42 /* <Abstract> */
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43 /* Using bzip2-compressed font files. */
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44 /* */
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45 /* <Description> */
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46 /* This section contains the declaration of Bzip2-specific functions. */
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47 /* */
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48 /*************************************************************************/
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49
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50
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51 /************************************************************************
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52 *
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53 * @function:
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54 * FT_Stream_OpenBzip2
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55 *
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56 * @description:
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57 * Open a new stream to parse bzip2-compressed font files. This is
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58 * mainly used to support the compressed `*.pcf.bz2' fonts that come
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59 * with XFree86.
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60 *
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61 * @input:
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62 * stream ::
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63 * The target embedding stream.
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64 *
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65 * source ::
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66 * The source stream.
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67 *
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68 * @return:
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69 * FreeType error code. 0~means success.
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70 *
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71 * @note:
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72 * The source stream must be opened _before_ calling this function.
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73 *
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74 * Calling the internal function `FT_Stream_Close' on the new stream will
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75 * *not* call `FT_Stream_Close' on the source stream. None of the stream
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76 * objects will be released to the heap.
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77 *
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78 * The stream implementation is very basic and resets the decompression
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79 * process each time seeking backwards is needed within the stream.
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80 *
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81 * In certain builds of the library, bzip2 compression recognition is
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82 * automatically handled when calling @FT_New_Face or @FT_Open_Face.
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83 * This means that if no font driver is capable of handling the raw
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84 * compressed file, the library will try to open a bzip2 compressed stream
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85 * from it and re-open the face with it.
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86 *
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87 * This function may return `FT_Err_Unimplemented_Feature' if your build
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88 * of FreeType was not compiled with bzip2 support.
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89 */
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90 FT_EXPORT( FT_Error )
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91 FT_Stream_OpenBzip2( FT_Stream stream,
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92 FT_Stream source );
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93
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94 /* */
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95
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96
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97 FT_END_HEADER
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98
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99 #endif /* __FTBZIP2_H__ */
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100
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101
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102 /* END */