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<title>Camstream: CamStream API documentation</title>
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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> </center>
<hr><h1>CCamTile Struct Reference</h1><code>#include <<a class="el" href="camtile_h-source.html">CamTile.h</a>></code>
<p>
<a href="struct_ccamtile-members.html">List of all members.</a><h2>Public Methods</h2>
<ul>
<li>void <a class="el" href="struct_ccamtile.html#a0">CalculateForward</a> (uchar *dst, uchar *src)
<li>void <a class="el" href="struct_ccamtile.html#a1">CalculateInverse</a> (uchar *dst, uchar *src)
<li>void <a class="el" href="struct_ccamtile.html#a2">CalcDiffValue</a> (const uchar *src)
<li>void <a class="el" href="struct_ccamtile.html#a3">CopyTile</a> (uchar *dst, const uchar *src)
<li>void <a class="el" href="struct_ccamtile.html#a4">ClearInTile</a> (uchar *dst)
<li>void <a class="el" href="struct_ccamtile.html#a5">ClearOutTile</a> (uchar *dst)
</ul>
<h2>Public Attributes</h2>
<ul>
<li>int <a class="el" href="struct_ccamtile.html#m0">x</a>
<li>int <a class="el" href="struct_ccamtile.html#m1">y</a>
<li>int <a class="el" href="struct_ccamtile.html#m2">in_offsets</a> [8][8]
<li>int <a class="el" href="struct_ccamtile.html#m3">out_offsets</a> [8][8]
<li>int <a class="el" href="struct_ccamtile.html#m4">abs_value</a>
<li>int <a class="el" href="struct_ccamtile.html#m5">nb_value</a>
<li>int <a class="el" href="struct_ccamtile.html#m6">PCount</a>
<li>CCamTile* <a class="el" href="struct_ccamtile.html#m7">Left</a>
<li>CCamTile * <a class="el" href="struct_ccamtile.html#m8">Top</a>
<li>CCamTile * <a class="el" href="struct_ccamtile.html#m9">Right</a>
<li>CCamTile * <a class="el" href="struct_ccamtile.html#m10">Bottom</a>
<li>CCamTile* <a class="el" href="struct_ccamtile.html#m11">NextZag</a>
<li>CCamTile* <a class="el" href="struct_ccamtile.html#m12">pUsedPrev</a>
<li>CCamTile * <a class="el" href="struct_ccamtile.html#m13">pUsedNext</a>
</ul>
<h2>Static Public Methods</h2>
<ul>
<li>int <a class="el" href="struct_ccamtile.html#d0">CompareTile</a> (const void *t1, const void *t2)
</ul>
<hr><h2>Member Function Documentation</h2>
<a name="a2" doxytag="CCamTile::CalcDiffValue"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void CCamTile::CalcDiffValue (
</b></td>
<td valign="bottom"><b>
const uchar * <em>src</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Calculate absolute value of difference.
<p>
<p>
Assuming 'src' refers to a Delta panel, calculate the sum of the absolute difference. </td>
</tr>
</table>
<a name="a0" doxytag="CCamTile::CalculateForward"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void CCamTile::CalculateForward (
</b></td>
<td valign="bottom"><b>
uchar * <em>dst</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
uchar * <em>src</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Perform forward DCT calculation.
<p>
<dl compact><dt>
<b>Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>dst</em>
</td><td>
Destination buffer; uses out_offsets </td></tr>
<tr><td valign=top><em>src</em>
</td><td>
Source buffer; used in_offsets </td></tr>
</table>
</dl> </td>
</tr>
</table>
<a name="a1" doxytag="CCamTile::CalculateInverse"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void CCamTile::CalculateInverse (
</b></td>
<td valign="bottom"><b>
uchar * <em>dst</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
uchar * <em>src</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Perform inverse DCT calculation.
<p>
<dl compact><dt>
<b>Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>dst</em>
</td><td>
Destination buffer; uses in_offsets </td></tr>
<tr><td valign=top><em>src</em>
</td><td>
Source buffer; used out_offsets
<p>
</td></tr>
</table>
</dl>Performs reverse DCT operation; note that the in/out_offsets are also swapped. </td>
</tr>
</table>
<a name="a4" doxytag="CCamTile::ClearInTile"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void CCamTile::ClearInTile (
</b></td>
<td valign="bottom"><b>
uchar * <em>dst</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Clear tile.
<p>
<p>
This sets the 64 pixels of the input tile to a value of 128. </td>
</tr>
</table>
<a name="a5" doxytag="CCamTile::ClearOutTile"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void CCamTile::ClearOutTile (
</b></td>
<td valign="bottom"><b>
uchar * <em>dst</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Clear tile.
<p>
<p>
This sets the 64 pixels of the output tile to a value of 128. </td>
</tr>
</table>
<a name="d0" doxytag="CCamTile::CompareTile"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::CompareTile (
</b></td>
<td valign="bottom"><b>
const void * <em>t1</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
const void * <em>t2</em> )<code> [static]</code>
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="a3" doxytag="CCamTile::CopyTile"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void CCamTile::CopyTile (
</b></td>
<td valign="bottom"><b>
uchar * <em>dst</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
const uchar * <em>src</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<hr><h2>Member Data Documentation</h2>
<a name="m10" doxytag="CCamTile::Bottom"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
CCamTile * CCamTile::Bottom
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="m7" doxytag="CCamTile::Left"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
CCamTile* CCamTile::Left
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="m11" doxytag="CCamTile::NextZag"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
CCamTile * CCamTile::NextZag
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Neighbours </td>
</tr>
</table>
<a name="m6" doxytag="CCamTile::PCount"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::PCount
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="m9" doxytag="CCamTile::Right"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
CCamTile * CCamTile::Right
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="m8" doxytag="CCamTile::Top"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
CCamTile * CCamTile::Top
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="m4" doxytag="CCamTile::abs_value"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::abs_value
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
offsets within output image buffer </td>
</tr>
</table>
<a name="m2" doxytag="CCamTile::in_offsets"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::in_offsets
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Location </td>
</tr>
</table>
<a name="m5" doxytag="CCamTile::nb_value"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::nb_value
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
offsets within output image buffer </td>
</tr>
</table>
<a name="m3" doxytag="CCamTile::out_offsets"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::out_offsets
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
offsets within input image buffer </td>
</tr>
</table>
<a name="m13" doxytag="CCamTile::pUsedNext"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
CCamTile * CCamTile::pUsedNext
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
For zig-zag scanning </td>
</tr>
</table>
<a name="m12" doxytag="CCamTile::pUsedPrev"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
CCamTile * CCamTile::pUsedPrev
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
For zig-zag scanning </td>
</tr>
</table>
<a name="m0" doxytag="CCamTile::x"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::x
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="m1" doxytag="CCamTile::y"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
int CCamTile::y
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<hr>The documentation for this struct was generated from the following files:<ul>
<li><a class="el" href="camtile_h-source.html">CamTile.h</a><li><a class="el" href="camtile_cc.html">CamTile.cc</a></ul>
<hr><address><small>Generated at Sat May 18 02:56:55 2002 for Camstream by
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width=110 height=53></a>1.2.6 written by <a href="mailto:dimitri@stack.nl">Dimitri van Heesch</a>,
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