⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 ft2-module_management.html

📁 Free type 2.1.0 Documents
💻 HTML
📖 第 1 页 / 共 2 页
字号:
<!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>
Module Management
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Module_Class">FT_Module_Class</a></td><td></td><td><a href="#FT_New_Library">FT_New_Library</a></td><td></td><td><a href="#FT_Renderer_Class">FT_Renderer_Class</a></td></tr>
<tr><td></td><td><a href="#FT_Add_Module">FT_Add_Module</a></td><td></td><td><a href="#FT_Done_Library">FT_Done_Library</a></td><td></td><td><a href="#FT_Get_Renderer">FT_Get_Renderer</a></td></tr>
<tr><td></td><td><a href="#FT_Get_Module">FT_Get_Module</a></td><td></td><td><a href="#FT_Set_Debug_Hook">FT_Set_Debug_Hook</a></td><td></td><td><a href="#FT_Set_Renderer">FT_Set_Renderer</a></td></tr>
<tr><td></td><td><a href="#FT_Remove_Module">FT_Remove_Module</a></td><td></td><td><a href="#FT_Add_Default_Modules">FT_Add_Default_Modules</a></td><td></td><td></td></tr>
</table><br><br>

<table align=center width="87%"><tr><td>
<p>The definitions below are used to manage modules within FreeType. Modules can be added, upgraded, and removed at runtime.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Module_Class">FT_Module_Class</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

  <span class="keyword">typedef</span> <span class="keyword">struct</span>  FT_Module_Class_
  {
    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>               module_flags;
    <a href="ft2-basic_types.html#FT_Long">FT_Long</a>                module_size;
    <span class="keyword">const</span> <a href="ft2-basic_types.html#FT_String">FT_String</a>*       module_name;
    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>               module_version;
    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>               module_requires;

    <span class="keyword">const</span> <span class="keyword">void</span>*            module_interface;

    FT_Module_Constructor  module_init;
    FT_Module_Destructor   module_done;
    FT_Module_Requester    get_interface;

  } <b>FT_Module_Class</b>;

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The module class descriptor.</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>module_flags</b></td><td>
<p>Bit flags describing the module.</p>
</td></tr>
<tr valign=top><td><b>module_size</b></td><td>
<p>The size of one module object/instance in bytes.</p>
</td></tr>
<tr valign=top><td><b>module_name</b></td><td>
<p>The name of the module.</p>
</td></tr>
<tr valign=top><td><b>module_version</b></td><td>
<p>The version, as a 16.16 fixed number (major.minor).</p>
</td></tr>
<tr valign=top><td><b>module_requires</b></td><td>
<p>The version of FreeType this module requires (starts at version 2.0, i.e 0x20000)</p>
</td></tr>
<tr valign=top><td><b>module_init</b></td><td>
<p>A function used to initialize (not create) a new module object.</p>
</td></tr>
<tr valign=top><td><b>module_done</b></td><td>
<p>A function used to finalize (not destroy) a given module object</p>
</td></tr>
<tr valign=top><td><b>get_interface</b></td><td>
<p>Queries a given module for a specific interface by name.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table><hr width="75%">
<table align=center width="75%"><tr><td>
<h4><a name="FT_Add_Module">FT_Add_Module</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

  FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
  <b>FT_Add_Module</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a>              library,
                 <span class="keyword">const</span> <a href="ft2-module_management.html#FT_Module_Class">FT_Module_Class</a>*  clazz );

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Adds a new module to a given library instance.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<table cellpadding=3>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<table cellpadding=3>
<tr valign=top><td><b>clazz</b></td><td>
<p>A pointer to class descriptor for the module.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0 means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>An error will be returned if a module already exists by that name, or if the module requires a version of FreeType that is too great.</p>
</td></tr></table>
</td></tr></table><hr width="75%">
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Module">FT_Get_Module</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

  FT_EXPORT( <a href="ft2-base_interface.html#FT_Module">FT_Module</a> )
  <b>FT_Get_Module</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a>   library,
                 <span class="keyword">const</span> <span class="keyword">char</span>*  module_name );

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Finds a module by its name.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<table cellpadding=3>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library object.</p>
</td></tr>
<tr valign=top><td><b>module_name</b></td><td>
<p>The module's name (as an ASCII string).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>A module handle. 0 if none was found.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You should better be familiar with FreeType internals to know which module to look for :-)</p>
</td></tr></table>
</td></tr></table><hr width="75%">
<table align=center width="75%"><tr><td>
<h4><a name="FT_Remove_Module">FT_Remove_Module</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

  FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
  <b>FT_Remove_Module</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a>  library,
                    <a href="ft2-base_interface.html#FT_Module">FT_Module</a>   module );

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Removes a given module from a library instance.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<table cellpadding=3>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<table cellpadding=3>
<tr valign=top><td><b>module</b></td><td>
<p>A handle to a module object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0 means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The module object is destroyed by the function in case of success.</p>
</td></tr></table>
</td></tr></table><hr width="75%">
<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Library">FT_New_Library</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

  FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
  <b>FT_New_Library</b>( <a href="ft2-system_interface.html#FT_Memory">FT_Memory</a>    memory,
                  <a href="ft2-base_interface.html#FT_Library">FT_Library</a>  *alibrary );

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This function is used to create a new FreeType library instance from a given memory object. It is thus possible to use libraries with distinct memory allocators within the same program.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<table cellpadding=3>
<tr valign=top><td><b>memory</b></td><td>
<p>A handle to the original memory object.</p>
</td></tr>
</table>
</td></tr></table>

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -