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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>FreeType-2.1.10 API Reference</title><style type="text/css"> body { font-family: Verdana, Geneva, Arial, Helvetica, serif; color: #000000; background: #FFFFFF; } p { text-align: justify; } h1 { text-align: center; } li { text-align: justify; } a:link { color: #0000EF; } a:visited { color: #51188E; } a:hover { color: #FF0000; } span.keyword { font-family: monospace; text-align: left; white-space: pre; color: darkblue; } pre.colored { color: blue; } ul.empty { list-style-type: none; }</style></head><body><center><h1>FreeType-2.1.10 API Reference</h1></center><center><h1>Multiple Masters</h1></center><h2>Synopsis</h2><table align=center cellspacing=5 cellpadding=0 border=0><tr><td></td><td><a href="#FT_MM_Axis">FT_MM_Axis</a></td><td></td><td><a href="#FT_Get_MM_Var">FT_Get_MM_Var</a></td></tr><tr><td></td><td><a href="#FT_Multi_Master">FT_Multi_Master</a></td><td></td><td><a href="#FT_Set_MM_Design_Coordinates">FT_Set_MM_Design_Coordinates</a></td></tr><tr><td></td><td><a href="#FT_Var_Axis">FT_Var_Axis</a></td><td></td><td><a href="#FT_Set_Var_Design_Coordinates">FT_Set_Var_Design_Coordinates</a></td></tr><tr><td></td><td><a href="#FT_Var_Named_Style">FT_Var_Named_Style</a></td><td></td><td><a href="#FT_Set_MM_Blend_Coordinates">FT_Set_MM_Blend_Coordinates</a></td></tr><tr><td></td><td><a href="#FT_MM_Var">FT_MM_Var</a></td><td></td><td><a href="#FT_Set_Var_Blend_Coordinates">FT_Set_Var_Blend_Coordinates</a></td></tr><tr><td></td><td><a href="#FT_Get_Multi_Master">FT_Get_Multi_Master</a></td><td></td><td></td></tr></table><br><br><table align=center width="87%"><tr><td><p>The following types and functions are used to manage Multiple Master fonts, i.e. the selection of specific design instances by setting design axis coordinates.</p><p>George Williams has extended this interface to make it work with both Type 1 Multiple Masters fonts, and GX distortable (var) fonts. Some of these routines only work with MM fonts, others will work with both types. They are similar enough that a consistent interface makes sense.</p></td></tr></table><br><table align=center width="75%"><tr><td><h4><a name="FT_MM_Axis">FT_MM_Axis</a></h4><table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> <span class="keyword">typedef</span> <span class="keyword">struct</span> FT_MM_Axis_ { <a href="ft2-basic_types.html#FT_String">FT_String</a>* name; <a href="ft2-basic_types.html#FT_Long">FT_Long</a> minimum; <a href="ft2-basic_types.html#FT_Long">FT_Long</a> maximum; } <b>FT_MM_Axis</b>;</pre></table><br><table align=center width="87%"><tr><td><p>A simple structure used to model a given axis in design space for Multiple Masters fonts.</p><p>This structure can't be used for GX var fonts.</p></td></tr></table><br><table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td><table cellpadding=3><tr valign=top><td><b>name</b></td><td><p>The axis's name.</p></td></tr><tr valign=top><td><b>minimum</b></td><td><p>The axis's minimum design coordinate.</p></td></tr><tr valign=top><td><b>maximum</b></td><td><p>The axis's maximum design coordinate.</p></td></tr></table></td></tr></table></td></tr></table><hr width="75%"><table align=center width="75%"><tr><td><h4><a name="FT_Multi_Master">FT_Multi_Master</a></h4><table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> <span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Multi_Master_ { <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_axis; <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_designs; <a href="ft2-multiple_masters.html#FT_MM_Axis">FT_MM_Axis</a> axis[T1_MAX_MM_AXIS]; } <b>FT_Multi_Master</b>;</pre></table><br><table align=center width="87%"><tr><td><p>A structure used to model the axes and space of a Multiple Masters font.</p><p>This structure can't be used for GX var fonts.</p></td></tr></table><br><table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td><table cellpadding=3><tr valign=top><td><b>num_axis</b></td><td><p>Number of axes. Cannot exceed 4.</p></td></tr><tr valign=top><td><b>num_designs</b></td><td><p>Number of designs; should ne normally 2^num_axis even though the Type 1 specification strangely allows for intermediate designs to be present. This number cannot exceed 16.</p></td></tr><tr valign=top><td><b>axis</b></td><td><p>A table of axis descriptors.</p></td></tr></table></td></tr></table></td></tr></table><hr width="75%"><table align=center width="75%"><tr><td><h4><a name="FT_Var_Axis">FT_Var_Axis</a></h4><table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> <span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Var_Axis_ { <a href="ft2-basic_types.html#FT_String">FT_String</a>* name; <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> minimum; <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> def; <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> maximum; <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> tag; <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> strid; } <b>FT_Var_Axis</b>;</pre></table><br><table align=center width="87%"><tr><td><p>A simple structure used to model a given axis in design space for Multiple Masters and GX var fonts.</p></td></tr></table><br><table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td><table cellpadding=3><tr valign=top><td><b>name</b></td><td><p>The axis's name. Not always meaningful for GX.</p></td></tr><tr valign=top><td><b>minimum</b></td><td><p>The axis's minimum design coordinate.</p></td></tr><tr valign=top><td><b>def</b></td><td><p>The axis's default design coordinate. FreeType computes meaningful default values for MM; it is then an integer value, not in 16.16 format.</p></td></tr><tr valign=top><td><b>maximum</b></td><td><p>The axis's maximum design coordinate.</p></td></tr><tr valign=top><td><b>tag</b></td><td><p>The axis's tag (the GX equivalent to `name'). FreeType provides default values for MM if possible.</p></td></tr><tr valign=top><td><b>strid</b></td><td><p>The entry in `name' table (another GX version of `name'). Not meaningful for MM.</p></td></tr></table></td></tr></table></td></tr></table><hr width="75%"><table align=center width="75%"><tr><td><h4><a name="FT_Var_Named_Style">FT_Var_Named_Style</a></h4><table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> <span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Var_Named_Style_ { <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>* coords; <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> strid; } <b>FT_Var_Named_Style</b>;</pre></table><br><table align=center width="87%"><tr><td><p>A simple structure used to model a named style in a GX var font.</p><p>This structure can't be used for MM fonts.</p></td></tr></table><br><table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td><table cellpadding=3><tr valign=top><td><b>coords</b></td><td><p>The design coordinates for this style. This is an array with one entry for each axis.</p></td></tr><tr valign=top><td><b>strid</b></td><td><p>The entry in `name' table identifying this style.</p></td></tr></table></td></tr></table></td></tr></table><hr width="75%"><table align=center width="75%"><tr><td><h4><a name="FT_MM_Var">FT_MM_Var</a></h4><table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> <span class="keyword">typedef</span> <span class="keyword">struct</span> FT_MM_Var_ { <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_axis; <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_designs; <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_namedstyles; <a href="ft2-multiple_masters.html#FT_Var_Axis">FT_Var_Axis</a>* axis; <a href="ft2-multiple_masters.html#FT_Var_Named_Style">FT_Var_Named_Style</a>* namedstyle; } <b>FT_MM_Var</b>;</pre></table><br><table align=center width="87%"><tr><td><p>A structure used to model the axes and space of a Multiple Masters or GX var distortable font.</p><p>Some fields are specific to one format and not to the other.</p></td></tr></table><br>⌨️ 快捷键说明
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