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annotate freetype2/freetype/ftsynth.h @ 1206:a8ab91f49cac draft

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add freetype2,ft2build.h
author Takao YONAMINE <e095763@ie.u-ryukyu.ac.jp>
date Thu, 21 Jul 2011 19:38:12 +0900
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1 /***************************************************************************/
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2 /* */
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3 /* ftsynth.h */
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4 /* */
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5 /* FreeType synthesizing code for emboldening and slanting */
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6 /* (specification). */
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7 /* */
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8 /* Copyright 2000-2001, 2003, 2006, 2008 by */
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9 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
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10 /* */
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11 /* This file is part of the FreeType project, and may only be used, */
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12 /* modified, and distributed under the terms of the FreeType project */
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13 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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14 /* this file you indicate that you have read the license and */
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15 /* understand and accept it fully. */
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16 /* */
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17 /***************************************************************************/
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20 /*************************************************************************/
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21 /*************************************************************************/
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22 /*************************************************************************/
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23 /*************************************************************************/
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24 /*************************************************************************/
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25 /********* *********/
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26 /********* WARNING, THIS IS ALPHA CODE! THIS API *********/
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27 /********* IS DUE TO CHANGE UNTIL STRICTLY NOTIFIED BY THE *********/
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28 /********* FREETYPE DEVELOPMENT TEAM *********/
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29 /********* *********/
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30 /*************************************************************************/
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31 /*************************************************************************/
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32 /*************************************************************************/
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33 /*************************************************************************/
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34 /*************************************************************************/
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37 /* Main reason for not lifting the functions in this module to a */
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38 /* `standard' API is that the used parameters for emboldening and */
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39 /* slanting are not configurable. Consider the functions as a */
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40 /* code resource which should be copied into the application and */
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41 /* adapted to the particular needs. */
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42
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43
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44 #ifndef __FTSYNTH_H__
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45 #define __FTSYNTH_H__
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47
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48 #include <ft2build.h>
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49 #include FT_FREETYPE_H
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50
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51 #ifdef FREETYPE_H
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52 #error "freetype.h of FreeType 1 has been loaded!"
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53 #error "Please fix the directory search order for header files"
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54 #error "so that freetype.h of FreeType 2 is found first."
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55 #endif
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56
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57
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58 FT_BEGIN_HEADER
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59
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60 /* Embolden a glyph by a `reasonable' value (which is highly a matter of */
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61 /* taste). This function is actually a convenience function, providing */
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62 /* a wrapper for @FT_Outline_Embolden and @FT_Bitmap_Embolden. */
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63 /* */
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64 /* For emboldened outlines the metrics are estimates only; if you need */
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65 /* precise values you should call @FT_Outline_Get_CBox. */
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66 FT_EXPORT( void )
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67 FT_GlyphSlot_Embolden( FT_GlyphSlot slot );
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68
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69 /* Slant an outline glyph to the right by about 12 degrees. */
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70 FT_EXPORT( void )
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71 FT_GlyphSlot_Oblique( FT_GlyphSlot slot );
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72
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73 /* */
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74
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75 FT_END_HEADER
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76
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77 #endif /* __FTSYNTH_H__ */
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78
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79
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80 /* END */