cpl__port_8h.html

gdal库的学习文档

          <td class="memname">#define CPL_CVSID          </td>
          <td>(</td>
          <td class="paramtype">string&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
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<b>Value:</b><div class="fragment"><pre class="fragment"><span class="keyword">static</span> <span class="keywordtype">char</span> cpl_cvsid[] = string; \
<span class="keyword">static</span> <span class="keywordtype">char</span> *cvsid_aw() { <span class="keywordflow">return</span>( cvsid_aw() ? ((<span class="keywordtype">char</span> *) NULL) : cpl_cvsid ); }
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<a class="anchor" name="89aa1f2fe53343bac285d174cdb01fcf"></a><!-- doxytag: member="cpl_port.h::CPL_SWAP16" ref="89aa1f2fe53343bac285d174cdb01fcf" args="(x)" -->
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          <td class="memname">#define CPL_SWAP16          </td>
          <td>(</td>
          <td class="paramtype">x&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
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<b>Value:</b><div class="fragment"><pre class="fragment">((GUInt16)( \
            (((GUInt16)(x) &amp; 0x00ffU) &lt;&lt; 8) | \
            (((GUInt16)(x) &amp; 0xff00U) &gt;&gt; 8) ))
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<a class="anchor" name="e258b3cb94fca3ab38f5c7e2d4f235e2"></a><!-- doxytag: member="cpl_port.h::CPL_SWAP16PTR" ref="e258b3cb94fca3ab38f5c7e2d4f235e2" args="(x)" -->
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          <td class="memname">#define CPL_SWAP16PTR          </td>
          <td>(</td>
          <td class="paramtype">x&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
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<b>Value:</b><div class="fragment"><pre class="fragment">{                                                                 \
    GByte       byTemp, *_pabyDataT = (GByte *) (x);              \
                                                                  \
    byTemp = _pabyDataT[0];                                       \
    _pabyDataT[0] = _pabyDataT[1];                                \
    _pabyDataT[1] = byTemp;                                       \
}
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<a class="anchor" name="9566d5e15283625250737afde23eb993"></a><!-- doxytag: member="cpl_port.h::CPL_SWAP32" ref="9566d5e15283625250737afde23eb993" args="(x)" -->
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          <td class="memname">#define CPL_SWAP32          </td>
          <td>(</td>
          <td class="paramtype">x&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
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<b>Value:</b><div class="fragment"><pre class="fragment">((GUInt32)( \
            (((GUInt32)(x) &amp; (GUInt32)0x000000ffUL) &lt;&lt; 24) | \
            (((GUInt32)(x) &amp; (GUInt32)0x0000ff00UL) &lt;&lt;  8) | \
            (((GUInt32)(x) &amp; (GUInt32)0x00ff0000UL) &gt;&gt;  8) | \
            (((GUInt32)(x) &amp; (GUInt32)0xff000000UL) &gt;&gt; 24) ))
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<a class="anchor" name="4833afef89c20664ee490ac98d4f13a4"></a><!-- doxytag: member="cpl_port.h::CPL_SWAP32PTR" ref="4833afef89c20664ee490ac98d4f13a4" args="(x)" -->
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          <td class="memname">#define CPL_SWAP32PTR          </td>
          <td>(</td>
          <td class="paramtype">x&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
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<b>Value:</b><div class="fragment"><pre class="fragment">{                                                                 \
    GByte       byTemp, *_pabyDataT = (GByte *) (x);              \
                                                                  \
    byTemp = _pabyDataT[0];                                       \
    _pabyDataT[0] = _pabyDataT[3];                                \
    _pabyDataT[3] = byTemp;                                       \
    byTemp = _pabyDataT[1];                                       \
    _pabyDataT[1] = _pabyDataT[2];                                \
    _pabyDataT[2] = byTemp;                                       \
}
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<a class="anchor" name="449e7c6a7346a23690fcaa1391d1ae2f"></a><!-- doxytag: member="cpl_port.h::CPL_SWAP64PTR" ref="449e7c6a7346a23690fcaa1391d1ae2f" args="(x)" -->
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          <td class="memname">#define CPL_SWAP64PTR          </td>
          <td>(</td>
          <td class="paramtype">x&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
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<b>Value:</b><div class="fragment"><pre class="fragment">{                                                                 \
    GByte       byTemp, *_pabyDataT = (GByte *) (x);              \
                                                                  \
    byTemp = _pabyDataT[0];                                       \
    _pabyDataT[0] = _pabyDataT[7];                                \
    _pabyDataT[7] = byTemp;                                       \
    byTemp = _pabyDataT[1];                                       \
    _pabyDataT[1] = _pabyDataT[6];                                \
    _pabyDataT[6] = byTemp;                                       \
    byTemp = _pabyDataT[2];                                       \
    _pabyDataT[2] = _pabyDataT[5];                                \
    _pabyDataT[5] = byTemp;                                       \
    byTemp = _pabyDataT[3];                                       \
    _pabyDataT[3] = _pabyDataT[4];                                \
    _pabyDataT[4] = byTemp;                                       \
}
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