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author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
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1 \section{Built-in Module \sectcode{fm}}
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2 \bimodindex{fm}
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3
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4 This module provides access to the IRIS {\em Font Manager} library.
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5 It is available only on Silicon Graphics machines.
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6 See also: 4Sight User's Guide, Section 1, Chapter 5: Using the IRIS
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7 Font Manager.
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8
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9 This is not yet a full interface to the IRIS Font Manager.
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10 Among the unsupported features are: matrix operations; cache
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11 operations; character operations (use string operations instead); some
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12 details of font info; individual glyph metrics; and printer matching.
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13
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14 It supports the following operations:
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15
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16 \renewcommand{\indexsubitem}{(in module fm)}
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17 \begin{funcdesc}{init}{}
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18 Initialization function.
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19 Calls \code{fminit()}.
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20 It is normally not necessary to call this function, since it is called
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21 automatically the first time the \code{fm} module is imported.
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22 \end{funcdesc}
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23
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24 \begin{funcdesc}{findfont}{fontname}
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25 Return a font handle object.
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26 Calls \code{fmfindfont(\var{fontname})}.
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27 \end{funcdesc}
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28
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29 \begin{funcdesc}{enumerate}{}
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30 Returns a list of available font names.
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31 This is an interface to \code{fmenumerate()}.
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32 \end{funcdesc}
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33
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34 \begin{funcdesc}{prstr}{string}
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35 Render a string using the current font (see the \code{setfont()} font
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36 handle method below).
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37 Calls \code{fmprstr(\var{string})}.
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38 \end{funcdesc}
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39
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40 \begin{funcdesc}{setpath}{string}
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41 Sets the font search path.
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42 Calls \code{fmsetpath(string)}.
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43 (XXX Does not work!?!)
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44 \end{funcdesc}
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45
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46 \begin{funcdesc}{fontpath}{}
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47 Returns the current font search path.
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48 \end{funcdesc}
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49
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50 Font handle objects support the following operations:
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51
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52 \renewcommand{\indexsubitem}{(font handle method)}
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53 \begin{funcdesc}{scalefont}{factor}
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54 Returns a handle for a scaled version of this font.
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55 Calls \code{fmscalefont(\var{fh}, \var{factor})}.
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56 \end{funcdesc}
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57
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58 \begin{funcdesc}{setfont}{}
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59 Makes this font the current font.
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60 Note: the effect is undone silently when the font handle object is
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61 deleted.
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62 Calls \code{fmsetfont(\var{fh})}.
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63 \end{funcdesc}
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64
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65 \begin{funcdesc}{getfontname}{}
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66 Returns this font's name.
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67 Calls \code{fmgetfontname(\var{fh})}.
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68 \end{funcdesc}
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69
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70 \begin{funcdesc}{getcomment}{}
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71 Returns the comment string associated with this font.
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72 Raises an exception if there is none.
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73 Calls \code{fmgetcomment(\var{fh})}.
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74 \end{funcdesc}
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75
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76 \begin{funcdesc}{getfontinfo}{}
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77 Returns a tuple giving some pertinent data about this font.
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78 This is an interface to \code{fmgetfontinfo()}.
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79 The returned tuple contains the following numbers:
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80 {\tt(\var{printermatched}, \var{fixed_width}, \var{xorig}, \var{yorig},
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81 \var{xsize}, \var{ysize}, \var{height}, \var{nglyphs})}.
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82 \end{funcdesc}
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83
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84 \begin{funcdesc}{getstrwidth}{string}
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85 Returns the width, in pixels, of the string when drawn in this font.
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86 Calls \code{fmgetstrwidth(\var{fh}, \var{string})}.
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87 \end{funcdesc}