interfacegnome_1_1magnifier_1_1zoomregion.html

在Linux下实现magnification功能

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Remove the specified zoom region from the magnifier and destroy it. 
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<a class="anchor" name="0b2d34b4bd973daca9ff4fd1a4b62446"></a><!-- doxytag: member="GNOME::Magnifier::ZoomRegion::setPointerPos" ref="0b2d34b4bd973daca9ff4fd1a4b62446" args="(in long mouse_x, in long mouse_y)" -->
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          <td class="memname">oneway void GNOME::Magnifier::ZoomRegion::setPointerPos           </td>
          <td>(</td>
          <td class="paramtype">in long&nbsp;</td>
          <td class="paramname"> <em>mouse_x</em>, </td>
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          <td class="paramtype">in long&nbsp;</td>
          <td class="paramname"> <em>mouse_y</em></td><td>&nbsp;</td>
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Set the position where the mouse pointer is to be drawn in this zoom-region, in screen coordinates. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>mouse_x,:</em>&nbsp;</td><td>the x screen coordinate of the pointer hotspot </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>mouse_y,:</em>&nbsp;</td><td>the y screen coordinate of the pointer hotspot </td></tr>
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<a class="anchor" name="848936d1f243837109bc8852a2105da6"></a><!-- doxytag: member="GNOME::Magnifier::ZoomRegion::setContrast" ref="848936d1f243837109bc8852a2105da6" args="(in float R, in float G, in float B)" -->
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          <td class="memname">void GNOME::Magnifier::ZoomRegion::setContrast           </td>
          <td>(</td>
          <td class="paramtype">in float&nbsp;</td>
          <td class="paramname"> <em>R</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">in float&nbsp;</td>
          <td class="paramname"> <em>G</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">in float&nbsp;</td>
          <td class="paramname"> <em>B</em></td><td>&nbsp;</td>
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Set the zoom region image contrast. 
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Set the contrast applied to each image component (red, green and blue). The input for each component must be in the range -1 and 1, otherwise they will be clamped to this interval. The value -1 means reduce 100% the contrast, resulting in a gray image. The value 1 means increase 100% the contrast, resulting in the R, G and B values being black or white. The value 0 means no change in contrast. <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>R</em>&nbsp;</td><td>the amount of red in the contrasted image. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>G</em>&nbsp;</td><td>the amount of green in the contrasted image. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>B</em>&nbsp;</td><td>the amount of green in the contrasted image. </td></tr>
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<a class="anchor" name="78d631a8f63634abce6f9cd1d2839876"></a><!-- doxytag: member="GNOME::Magnifier::ZoomRegion::getContrast" ref="78d631a8f63634abce6f9cd1d2839876" args="(out float R, out float G, out float B)" -->
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          <td class="memname">void GNOME::Magnifier::ZoomRegion::getContrast           </td>
          <td>(</td>
          <td class="paramtype">out float&nbsp;</td>
          <td class="paramname"> <em>R</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">out float&nbsp;</td>
          <td class="paramname"> <em>G</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">out float&nbsp;</td>
          <td class="paramname"> <em>B</em></td><td>&nbsp;</td>
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          <td>)</td>
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Get the zoom region image contrast. 
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Get the contrast applied to each image component (red, green and blue). <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>R</em>&nbsp;</td><td>the amount of red in the contrasted image. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>G</em>&nbsp;</td><td>the amount of green in the contrasted image. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>B</em>&nbsp;</td><td>the amount of green in the contrasted image. </td></tr>
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</dl>

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<a class="anchor" name="1a5259eea23c00b09f1f38ea2d2ace58"></a><!-- doxytag: member="GNOME::Magnifier::ZoomRegion::setBrightness" ref="1a5259eea23c00b09f1f38ea2d2ace58" args="(in float R, in float G, in float B)" -->
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          <td class="memname">void GNOME::Magnifier::ZoomRegion::setBrightness           </td>
          <td>(</td>
          <td class="paramtype">in float&nbsp;</td>
          <td class="paramname"> <em>R</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">in float&nbsp;</td>
          <td class="paramname"> <em>G</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">in float&nbsp;</td>
          <td class="paramname"> <em>B</em></td><td>&nbsp;</td>
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<p>
Set the zoom region image brightness. 
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Set the brightness applied to each image component (reg, green and blue). The input for each component must be in the range between -1 and 1, if the are bigger or lower then this range, the value will be clamped to the interval. The value -1 means reduce 100% the brightness, resulting in a black image. The value 1 means increase 100% the brightness, resulting in a white image. <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>R</em>&nbsp;</td><td>the brightness applied to the red component. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>G</em>&nbsp;</td><td>the brightness applied to the green component. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>B</em>&nbsp;</td><td>the brightness applied to the blue component. </td></tr>
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</dl>

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<a class="anchor" name="92684a5126287abae4187ae3f84b845f"></a><!-- doxytag: member="GNOME::Magnifier::ZoomRegion::getBrightness" ref="92684a5126287abae4187ae3f84b845f" args="(out float R, out float G, out float B)" -->
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          <td class="memname">void GNOME::Magnifier::ZoomRegion::getBrightness           </td>
          <td>(</td>
          <td class="paramtype">out float&nbsp;</td>
          <td class="paramname"> <em>R</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">out float&nbsp;</td>
          <td class="paramname"> <em>G</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">out float&nbsp;</td>
          <td class="paramname"> <em>B</em></td><td>&nbsp;</td>
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          <td>)</td>
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<p>
Get the zoom region image brightness. 
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Get the brightness applied to each image component (red, green and blue). <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>R</em>&nbsp;</td><td>the brightness applied to the red component. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>G</em>&nbsp;</td><td>the brightness applied to the green component. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>B</em>&nbsp;</td><td>the brightness applied to the blue component. </td></tr>
  </table>
</dl>

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<hr>The documentation for this interface was generated from the following file:<ul>
<li><a class="el" href="GNOME__Magnifier_8idl-source.html">GNOME_Magnifier.idl</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Fri Mar 9 14:08:10 2007 for gnome-mag by&nbsp;
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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