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10
11<h1>DSP Graphics Component Macros <IMG src="../../image/TWL.gif" align="middle"></H1>
12<H2>Definition</H2>
13
14<pre><code>
15#define DSP_CALC_SCALING_SIZE(value, ratio) ((u32)(value * (u32)(ratio * 1000) / 1000))
16#define DSP_CALC_SCALING_SIZE_FX(value, ratio) ((u32)( value * (u32)(ratio * 1000 / 4096.0f) / 1000))
17</code></pre>
18
19<h2>Description</h2>
20<table style="width:100%">
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23<td style="width:13%"><em><strong>DSP_CALC_SCALING_SIZE(value, ratio)</strong></em></td>
24<td style="width:87%">Uses the <code><a href="DSP_Scaling.html">DSP_Scaling*</a></code> functions to calculate the results of scaling an image with width or height of size <SPAN class="argument">value</SPAN> by a factor of <SPAN class="argument">ratio</SPAN> (<CODE>f32</CODE> value).</td>
25</tr>
26<tr>
27<td style="width:13%"><em><strong>DSP_CALC_SCALING_SIZE_FX(value, ratio)</strong></em></td>
28<td style="width:87%">Uses the <code><a href="DSP_Scaling.html">DSP_ScalingFx*</a></code> functions to calculate the results of scaling an image with width or height of size <SPAN class="argument">value</SPAN> by a factor of <SPAN class="argument">ratio</SPAN> (<CODE>fx32</CODE> value).</td>
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31</table>
32
33<h2>See Also</h2>
34<p><code><a href="DSP_Scaling.html">DSP_Scaling*</a>, <a href="DSP_ScalingFx.html">DSP_ScalingFx*</a></code></p>
35
36<h2>Revision History</h2>
37<p>
382008/08/28 Added the <CODE>fx32</CODE> versions and revised <B>See Also</B>. <BR>2008/05/22 Initial version.
39</p>
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