diff options
| author | Qt by Nokia <qt-info@nokia.com> | 2011-04-27 12:05:43 +0200 |
|---|---|---|
| committer | axis <qt-info@nokia.com> | 2011-04-27 12:05:43 +0200 |
| commit | 38be0d13830efd2d98281c645c3a60afe05ffece (patch) | |
| tree | 6ea73f3ec77f7d153333779883e8120f82820abe /src/3rdparty/freetype/docs/reference/ft2-gx_validation.html | |
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
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If you have already performed the grafting and you don't see any
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
Diffstat (limited to 'src/3rdparty/freetype/docs/reference/ft2-gx_validation.html')
| -rw-r--r-- | src/3rdparty/freetype/docs/reference/ft2-gx_validation.html | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/src/3rdparty/freetype/docs/reference/ft2-gx_validation.html b/src/3rdparty/freetype/docs/reference/ft2-gx_validation.html new file mode 100644 index 0000000000..8c3a98f30d --- /dev/null +++ b/src/3rdparty/freetype/docs/reference/ft2-gx_validation.html @@ -0,0 +1,348 @@ +<!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-2.3.9 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-2.3.9 API Reference</h1></center> + +<center><h1> +TrueTypeGX/AAT Validation +</h1></center> +<h2>Synopsis</h2> +<table align=center cellspacing=5 cellpadding=0 border=0> +<tr><td></td><td><a href="#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></td><td></td><td><a href="#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></td><td></td><td><a href="#FT_ClassicKern_Free">FT_ClassicKern_Free</a></td></tr> +<tr><td></td><td><a href="#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></td><td></td><td><a href="#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></td><td></td><td></td></tr> +<tr><td></td><td><a href="#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></td><td></td><td><a href="#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></td><td></td><td></td></tr> +</table><br><br> + +<table align=center width="87%"><tr><td> +<p>This section contains the declaration of functions to validate some TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop, lcar).</p> +</td></tr></table><br> +<table align=center width="75%"><tr><td> +<h4><a name="FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></h4> +<table align=center width="87%"><tr><td> +<p>The number of tables checked in this module. Use it as a parameter for the ‘table-length’ argument of function <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p> +</td></tr></table><br> +</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_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></h4> +<table align=center width="87%"><tr><td> +Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h). +</td></tr></table><br> +<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> + +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a> FT_VALIDATE_GX_BITFIELD( feat ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a> FT_VALIDATE_GX_BITFIELD( mort ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a> FT_VALIDATE_GX_BITFIELD( morx ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a> FT_VALIDATE_GX_BITFIELD( bsln ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a> FT_VALIDATE_GX_BITFIELD( just ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a> FT_VALIDATE_GX_BITFIELD( kern ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a> FT_VALIDATE_GX_BITFIELD( opbd ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a> FT_VALIDATE_GX_BITFIELD( trak ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a> FT_VALIDATE_GX_BITFIELD( prop ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a> FT_VALIDATE_GX_BITFIELD( lcar ) + +#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GX</a> ( <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a> | \ + <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a> ) + +</pre></table><br> +<table align=center width="87%"><tr><td> +<p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> to indicate which TrueTypeGX/AAT Type tables should be validated.</p> +</td></tr></table><br> +<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td> +<p></p> +<table cellpadding=3 border=0> +<tr valign=top><td><b>FT_VALIDATE_feat</b></td><td> +<p>Validate ‘feat’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_mort</b></td><td> +<p>Validate ‘mort’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_morx</b></td><td> +<p>Validate ‘morx’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_bsln</b></td><td> +<p>Validate ‘bsln’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_just</b></td><td> +<p>Validate ‘just’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_kern</b></td><td> +<p>Validate ‘kern’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_opbd</b></td><td> +<p>Validate ‘opbd’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_trak</b></td><td> +<p>Validate ‘trak’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_prop</b></td><td> +<p>Validate ‘prop’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_lcar</b></td><td> +<p>Validate ‘lcar’ table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_GX</b></td><td> +<p>Validate all TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop and lcar).</p> +</td></tr> +</table> +</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_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></h4> +<table align=center width="87%"><tr><td> +Defined in FT_GX_VALIDATE_H (freetype/ftgxval.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_TrueTypeGX_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face, + <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> validation_flags, + <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> tables[<a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a>], + <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> table_length ); + +</pre></table><br> +<table align=center width="87%"><tr><td> +<p>Validate various TrueTypeGX tables to assure that all offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</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>face</b></td><td> +<p>A handle to the input face.</p> +</td></tr> +<tr valign=top><td><b>validation_flags</b></td><td> +<p>A bit field which specifies the tables to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a> for possible values.</p> +</td></tr> +<tr valign=top><td><b>table_length</b></td><td> +<p>The size of the ‘tables’ array. Normally, <a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a> should be passed.</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>tables</b></td><td> +<p>The array where all validated sfnt tables are stored. The array itself must be allocated by a client.</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>This function only works with TrueTypeGX fonts, returning an error otherwise.</p> +<p>After use, the application should deallocate the buffers pointed to by each ‘tables’ element, by calling <a href="ft2-gx_validation.html#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a>. A NULL value indicates that the table either doesn't exist in the font, the application hasn't asked for validation, or the validator doesn't have the ability to validate the sfnt table.</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_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></h4> +<table align=center width="87%"><tr><td> +Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h). +</td></tr></table><br> +<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> + + FT_EXPORT( <span class="keyword">void</span> ) + <b>FT_TrueTypeGX_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face, + <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> table ); + +</pre></table><br> +<table align=center width="87%"><tr><td> +<p>Free the buffer allocated by TrueTypeGX validator.</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>face</b></td><td> +<p>A handle to the input face.</p> +</td></tr> +<tr valign=top><td><b>table</b></td><td> +<p>The pointer to the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p> +</td></tr> +</table> +</td></tr></table> +<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td> +<p>This function must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> only.</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_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></h4> +<table align=center width="87%"><tr><td> +Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h). +</td></tr></table><br> +<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> + +#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a> ( FT_VALIDATE_GX_START << 0 ) +#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a> ( FT_VALIDATE_GX_START << 1 ) + +#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERN</a> ( <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a> | <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a> ) + +</pre></table><br> +<table align=center width="87%"><tr><td> +<p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> to indicate the classic kern dialect or dialects. If the selected type doesn't fit, <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> regards the table as invalid.</p> +</td></tr></table><br> +<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td> +<p></p> +<table cellpadding=3 border=0> +<tr valign=top><td><b>FT_VALIDATE_MS</b></td><td> +<p>Handle the ‘kern’ table as a classic Microsoft kern table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_APPLE</b></td><td> +<p>Handle the ‘kern’ table as a classic Apple kern table.</p> +</td></tr> +<tr valign=top><td><b>FT_VALIDATE_CKERN</b></td><td> +<p>Handle the ‘kern’ as either classic Apple or Microsoft kern table.</p> +</td></tr> +</table> +</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_ClassicKern_Validate">FT_ClassicKern_Validate</a></h4> +<table align=center width="87%"><tr><td> +Defined in FT_GX_VALIDATE_H (freetype/ftgxval.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_ClassicKern_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face, + <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> validation_flags, + <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *ckern_table ); + +</pre></table><br> +<table align=center width="87%"><tr><td> +<p>Validate classic (16-bit format) kern table to assure that the offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</p> +<p>The ‘kern’ table validator in <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> deals with both the new 32-bit format and the classic 16-bit format, while FT_ClassicKern_Validate only supports the classic 16-bit format.</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>face</b></td><td> +<p>A handle to the input face.</p> +</td></tr> +<tr valign=top><td><b>validation_flags</b></td><td> +<p>A bit field which specifies the dialect to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a> for possible values.</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>ckern_table</b></td><td> +<p>A pointer to the kern table.</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>After use, the application should deallocate the buffers pointed to by ‘ckern_table’, by calling <a href="ft2-gx_validation.html#FT_ClassicKern_Free">FT_ClassicKern_Free</a>. A NULL value indicates that the table doesn't exist in the font.</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_ClassicKern_Free">FT_ClassicKern_Free</a></h4> +<table align=center width="87%"><tr><td> +Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h). +</td></tr></table><br> +<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> + + FT_EXPORT( <span class="keyword">void</span> ) + <b>FT_ClassicKern_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face, + <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> table ); + +</pre></table><br> +<table align=center width="87%"><tr><td> +<p>Free the buffer allocated by classic Kern validator.</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>face</b></td><td> +<p>A handle to the input face.</p> +</td></tr> +<tr valign=top><td><b>table</b></td><td> +<p>The pointer to the buffer that is allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a>.</p> +</td></tr> +</table> +</td></tr></table> +<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td> +<p>This function must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> only.</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> |