Click here to Skip to main content
15,886,025 members
Search within:


Articles / Multimedia / OpenGL
 

OAG Library (OpenGL) Part 2.3 - Drawing 2D Textures Using the Mouse and Programatically

Rate me:
Please Sign up or sign in to vote.
4.29/5 (6 votes)
22 Oct 2010CPOL3 min read 34.1K   1.3K   17  
This tutorial shows library code for 2D Textures and how to draw them programatically using the mouse in an MFC application.
 
<!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=utf-8">
<title>FreeType-2.3.11 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; }
  td { padding: 0 0.5em 0 0.5em; }
  td.left { padding: 0 0.5em 0 0.5em;
            text-align: left; }

  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>

<table align=center><tr><td><font size=-1>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.3.11 API Reference</h1></center>

<center><h1>
Mac Specific Interface
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_New_Face_From_FOND">FT_New_Face_From_FOND</a></td><td></td><td><a href="#FT_GetFilePath_From_Mac_ATS_Name">FT_GetFilePath_From_Mac_ATS_Name</a></td></tr>
<tr><td></td><td><a href="#FT_GetFile_From_Mac_Name">FT_GetFile_From_Mac_Name</a></td><td></td><td><a href="#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a></td></tr>
<tr><td></td><td><a href="#FT_GetFile_From_Mac_ATS_Name">FT_GetFile_From_Mac_ATS_Name</a></td><td></td><td><a href="#FT_New_Face_From_FSRef">FT_New_Face_From_FSRef</a></td></tr>
</table><br><br>

<table align=center width="87%"><tr><td>
<p>The following definitions are only available if FreeType is compiled on a Macintosh.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Face_From_FOND">FT_New_Face_From_FOND</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<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_Face_From_FOND</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a>  library,
                         Handle      fond,
                         <a href="ft2-basic_types.html#FT_Long">FT_Long</a>     face_index,
                         <a href="ft2-base_interface.html#FT_Face">FT_Face</a>    *aface )
                       FT_DEPRECATED_ATTRIBUTE;

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new face object from a FOND resource.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library resource.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fond</b></td><td>
<p>A FOND resource.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Only supported for the -1 &lsquo;sanity check&rsquo; special case.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aface</b></td><td>
<p>A handle to a new face 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&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>notes</b></em></td></tr><tr><td>
<p>This function can be used to create <a href="ft2-base_interface.html#FT_Face">FT_Face</a> objects from fonts that are installed in the system as follows.</p>
<pre class="colored">
  fond = GetResource( 'FOND', fontName );                          
  error = FT_New_Face_From_FOND( library, fond, 0, &amp;face );        
</pre>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>

<table align=center width="75%"><tr><td>
<h4><a name="FT_GetFile_From_Mac_Name">FT_GetFile_From_Mac_Name</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<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_GetFile_From_Mac_Name</b>( <span class="keyword">const</span> <span class="keyword">char</span>*  fontName,
                            FSSpec*      pathSpec,
                            <a href="ft2-basic_types.html#FT_Long">FT_Long</a>*     face_index )
                          FT_DEPRECATED_ATTRIBUTE;

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return an FSSpec for the disk file containing the named font.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fontName</b></td><td>
<p>Mac OS name of the font (e.g., Times New Roman Bold).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>pathSpec</b></td><td>
<p>FSSpec to the file. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Index of the face. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</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&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>

<table align=center width="75%"><tr><td>
<h4><a name="FT_GetFile_From_Mac_ATS_Name">FT_GetFile_From_Mac_ATS_Name</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<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_GetFile_From_Mac_ATS_Name</b>( <span class="keyword">const</span> <span class="keyword">char</span>*  fontName,
                                FSSpec*      pathSpec,
                                <a href="ft2-basic_types.html#FT_Long">FT_Long</a>*     face_index )
                              FT_DEPRECATED_ATTRIBUTE;

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return an FSSpec for the disk file containing the named font.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fontName</b></td><td>
<p>Mac OS name of the font in ATS framework.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>pathSpec</b></td><td>
<p>FSSpec to the file. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Index of the face. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</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&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>

<table align=center width="75%"><tr><td>
<h4><a name="FT_GetFilePath_From_Mac_ATS_Name">FT_GetFilePath_From_Mac_ATS_Name</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<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_GetFilePath_From_Mac_ATS_Name</b>( <span class="keyword">const</span> <span class="keyword">char</span>*  fontName,
                                    UInt8*       path,
                                    UInt32       maxPathSize,
                                    <a href="ft2-basic_types.html#FT_Long">FT_Long</a>*     face_index )
                                  FT_DEPRECATED_ATTRIBUTE;

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a pathname of the disk file and face index for given font name which is handled by ATS framework.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fontName</b></td><td>
<p>Mac OS name of the font in ATS framework.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>path</b></td><td>
<p>Buffer to store pathname of the file. For passing to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a>. The client must allocate this buffer before calling this function.</p>
</td></tr>
<tr valign=top><td><b>maxPathSize</b></td><td>
<p>Lengths of the buffer &lsquo;path&rsquo; that client allocated.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Index of the face. For passing to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a>.</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&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>

<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<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_Face_From_FSSpec</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a>     library,
                           <span class="keyword">const</span> FSSpec  *spec,
                           <a href="ft2-basic_types.html#FT_Long">FT_Long</a>        face_index,
                           <a href="ft2-base_interface.html#FT_Face">FT_Face</a>       *aface )
                         FT_DEPRECATED_ATTRIBUTE;

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new face object from a given resource and typeface index using an FSSpec to the font file.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library resource.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>spec</b></td><td>
<p>FSSpec to the font file.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>The index of the face within the resource. The first face has index&nbsp;0.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aface</b></td><td>
<p>A handle to a new face 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&nbsp;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><a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a> is identical to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> except it accepts an FSSpec instead of a path.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>

<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Face_From_FSRef">FT_New_Face_From_FSRef</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<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_Face_From_FSRef</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a>    library,
                          <span class="keyword">const</span> FSRef  *ref,
                          <a href="ft2-basic_types.html#FT_Long">FT_Long</a>       face_index,
                          <a href="ft2-base_interface.html#FT_Face">FT_Face</a>      *aface )
                        FT_DEPRECATED_ATTRIBUTE;

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new face object from a given resource and typeface index using an FSRef to the font file.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library resource.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>spec</b></td><td>
<p>FSRef to the font file.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>The index of the face within the resource. The first face has index&nbsp;0.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aface</b></td><td>
<p>A handle to a new face 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&nbsp;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><a href="ft2-mac_specific.html#FT_New_Face_From_FSRef">FT_New_Face_From_FSRef</a> is identical to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> except it accepts an FSRef instead of a path.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>

</body>
</html>

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Eduardo Tucci
Software Developer
Brazil Brazil
I live in Matão, a small city in Brazil. I studied as Programmer in a College for Software Development in Database.
After finishing the College I have been working with java, c# and Computer Graphics with searches for OpenGL.

Comments and Discussions

Permalink
Advertise
Privacy
Cookies
Terms of Use
Layout: fixed | fluid

Posted 23 Jul 2010

Article Copyright 2010 by Eduardo Tucci
Everything else Copyright © CodeProject, 1999-2024

Web01 2.8:2024-04-02:1