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| 55 | <H1><A NAME="SECTION0022700000000000000000"> |
| 56 | 20.7 <tt class="module">fm</tt> -- |
| 57 | <em>Font Manager</em> interface</A> |
| 58 | </H1> |
| 59 | |
| 60 | <P> |
| 61 | <A NAME="module-fm"></A> |
| 62 | <p class="availability">Availability: <span |
| 63 | class="platform">IRIX</span>.</p> |
| 64 | |
| 65 | <P> |
| 66 | This module provides access to the IRIS <em>Font Manager</em> library. |
| 67 | <a id='l2h-5190' xml:id='l2h-5190'></a> |
| 68 | It is available only on Silicon Graphics machines. |
| 69 | See also: <em>4Sight User's Guide</em>, section 1, chapter 5: ``Using |
| 70 | the IRIS Font Manager.'' |
| 71 | |
| 72 | <P> |
| 73 | This is not yet a full interface to the IRIS Font Manager. |
| 74 | Among the unsupported features are: matrix operations; cache |
| 75 | operations; character operations (use string operations instead); some |
| 76 | details of font info; individual glyph metrics; and printer matching. |
| 77 | |
| 78 | <P> |
| 79 | It supports the following operations: |
| 80 | |
| 81 | <P> |
| 82 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 83 | <td><nobr><b><tt id='l2h-5178' xml:id='l2h-5178' class="function">init</tt></b>(</nobr></td> |
| 84 | <td><var></var>)</td></tr></table></dt> |
| 85 | <dd> |
| 86 | Initialization function. |
| 87 | Calls <tt class="cfunction">fminit()</tt>. |
| 88 | It is normally not necessary to call this function, since it is called |
| 89 | automatically the first time the <tt class="module">fm</tt> module is imported. |
| 90 | </dl> |
| 91 | |
| 92 | <P> |
| 93 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 94 | <td><nobr><b><tt id='l2h-5179' xml:id='l2h-5179' class="function">findfont</tt></b>(</nobr></td> |
| 95 | <td><var>fontname</var>)</td></tr></table></dt> |
| 96 | <dd> |
| 97 | Return a font handle object. |
| 98 | Calls <code>fmfindfont(<var>fontname</var>)</code>. |
| 99 | </dl> |
| 100 | |
| 101 | <P> |
| 102 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 103 | <td><nobr><b><tt id='l2h-5180' xml:id='l2h-5180' class="function">enumerate</tt></b>(</nobr></td> |
| 104 | <td><var></var>)</td></tr></table></dt> |
| 105 | <dd> |
| 106 | Returns a list of available font names. |
| 107 | This is an interface to <tt class="cfunction">fmenumerate()</tt>. |
| 108 | </dl> |
| 109 | |
| 110 | <P> |
| 111 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 112 | <td><nobr><b><tt id='l2h-5181' xml:id='l2h-5181' class="function">prstr</tt></b>(</nobr></td> |
| 113 | <td><var>string</var>)</td></tr></table></dt> |
| 114 | <dd> |
| 115 | Render a string using the current font (see the <tt class="function">setfont()</tt> font |
| 116 | handle method below). |
| 117 | Calls <code>fmprstr(<var>string</var>)</code>. |
| 118 | </dl> |
| 119 | |
| 120 | <P> |
| 121 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 122 | <td><nobr><b><tt id='l2h-5182' xml:id='l2h-5182' class="function">setpath</tt></b>(</nobr></td> |
| 123 | <td><var>string</var>)</td></tr></table></dt> |
| 124 | <dd> |
| 125 | Sets the font search path. |
| 126 | Calls <code>fmsetpath(<var>string</var>)</code>. |
| 127 | (XXX Does not work!?!) |
| 128 | </dl> |
| 129 | |
| 130 | <P> |
| 131 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 132 | <td><nobr><b><tt id='l2h-5183' xml:id='l2h-5183' class="function">fontpath</tt></b>(</nobr></td> |
| 133 | <td><var></var>)</td></tr></table></dt> |
| 134 | <dd> |
| 135 | Returns the current font search path. |
| 136 | </dl> |
| 137 | |
| 138 | <P> |
| 139 | Font handle objects support the following operations: |
| 140 | |
| 141 | <P> |
| 142 | |
| 143 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 144 | <td><nobr><b><tt id='l2h-5184' xml:id='l2h-5184' class="function">scalefont</tt></b>(</nobr></td> |
| 145 | <td><var>factor</var>)</td></tr></table></dt> |
| 146 | <dd> |
| 147 | Returns a handle for a scaled version of this font. |
| 148 | Calls <code>fmscalefont(<var>fh</var>, <var>factor</var>)</code>. |
| 149 | </dl> |
| 150 | |
| 151 | <P> |
| 152 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 153 | <td><nobr><b><tt id='l2h-5185' xml:id='l2h-5185' class="function">setfont</tt></b>(</nobr></td> |
| 154 | <td><var></var>)</td></tr></table></dt> |
| 155 | <dd> |
| 156 | Makes this font the current font. |
| 157 | Note: the effect is undone silently when the font handle object is |
| 158 | deleted. |
| 159 | Calls <code>fmsetfont(<var>fh</var>)</code>. |
| 160 | </dl> |
| 161 | |
| 162 | <P> |
| 163 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 164 | <td><nobr><b><tt id='l2h-5186' xml:id='l2h-5186' class="function">getfontname</tt></b>(</nobr></td> |
| 165 | <td><var></var>)</td></tr></table></dt> |
| 166 | <dd> |
| 167 | Returns this font's name. |
| 168 | Calls <code>fmgetfontname(<var>fh</var>)</code>. |
| 169 | </dl> |
| 170 | |
| 171 | <P> |
| 172 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 173 | <td><nobr><b><tt id='l2h-5187' xml:id='l2h-5187' class="function">getcomment</tt></b>(</nobr></td> |
| 174 | <td><var></var>)</td></tr></table></dt> |
| 175 | <dd> |
| 176 | Returns the comment string associated with this font. |
| 177 | Raises an exception if there is none. |
| 178 | Calls <code>fmgetcomment(<var>fh</var>)</code>. |
| 179 | </dl> |
| 180 | |
| 181 | <P> |
| 182 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 183 | <td><nobr><b><tt id='l2h-5188' xml:id='l2h-5188' class="function">getfontinfo</tt></b>(</nobr></td> |
| 184 | <td><var></var>)</td></tr></table></dt> |
| 185 | <dd> |
| 186 | Returns a tuple giving some pertinent data about this font. |
| 187 | This is an interface to <code>fmgetfontinfo()</code>. |
| 188 | The returned tuple contains the following numbers: |
| 189 | <code>(</code><var>printermatched</var>, <var>fixed_width</var>, <var>xorig</var>, |
| 190 | <var>yorig</var>, <var>xsize</var>, <var>ysize</var>, <var>height</var>, |
| 191 | <var>nglyphs</var><code>)</code>. |
| 192 | </dl> |
| 193 | |
| 194 | <P> |
| 195 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 196 | <td><nobr><b><tt id='l2h-5189' xml:id='l2h-5189' class="function">getstrwidth</tt></b>(</nobr></td> |
| 197 | <td><var>string</var>)</td></tr></table></dt> |
| 198 | <dd> |
| 199 | Returns the width, in pixels, of <var>string</var> when drawn in this font. |
| 200 | Calls <code>fmgetstrwidth(<var>fh</var>, <var>string</var>)</code>. |
| 201 | </dl> |
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