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  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2009-09-23 09:50:04 UTC
  • mfrom: (1.5.3 upstream)
  • mto: This revision was merged to the branch mainline in revision 129.
  • Revision ID: james.westby@ubuntu.com-20090923095004-e9xauadn4bjs5n7m
Tags: upstream-2.18.0
Import upstream version 2.18.0

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docs/reference/gdk-pixbuf/html/apas03.html
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</tr></table>
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<div class="sect1" title="Converting Applications to gdk-pixbuf">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="id423337"></a>Converting Applications to <span class="application">gdk-pixbuf</span>
 
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<a name="id592231"></a>Converting Applications to <span class="application">gdk-pixbuf</span>
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</h2></div></div></div>
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<p>
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        This sections describes the actual changes you need to make in
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      </p>
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<div class="sect2" title="Image loading and creation">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="id423366"></a>Image loading and creation</h3></div></div></div>
 
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<a name="id592260"></a>Image loading and creation</h3></div></div></div>
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<p>
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          The <span class="application">gdk-pixbuf</span> library can load image files synchronously
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          (i.e. with a single function call), create images from RGB
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</div>
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<div class="sect2" title="Rendering Images">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="id422186"></a>Rendering Images</h3></div></div></div>
 
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<a name="id594915"></a>Rendering Images</h3></div></div></div>
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<p>
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          Applications that use <span class="application">Imlib</span> must first call
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          <code class="function">gdk_imlib_render()</code> to render the whole
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</div>
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<div class="sect2" title="Scaling Images">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="id422254"></a>Scaling Images</h3></div></div></div>
 
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<a name="id596560"></a>Scaling Images</h3></div></div></div>
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<p>
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          <span class="application">Imlib</span> lets you render scaled image data at the time you
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          call <code class="function">gdk_imlib_render()</code>.  Again, this
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          one.  These functions can also perform compositing
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          operations against the data in the destination pixbuf or
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          against a solid color or a colored checkerboard.
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          <sup>[<a name="id419949" href="#ftn.id419949" class="footnote">1</a>]</sup>
 
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          <sup>[<a name="id596593" href="#ftn.id596593" class="footnote">1</a>]</sup>
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        </p>
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<p>
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          Very simple applications may find it sufficient to use
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</div>
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<div class="sect2" title="Getting Image Data from a Drawable">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="id420008"></a>Getting Image Data from a Drawable</h3></div></div></div>
 
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<a name="id596652"></a>Getting Image Data from a Drawable</h3></div></div></div>
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<p>
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          <span class="application">Imlib</span> lets you create an image by fetching a drawable's
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          contents from the X server and converting those into RGB
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<div class="footnotes">
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<br><hr width="100" align="left">
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<div class="footnote">
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<p><sup>[<a name="ftn.id419949" href="#id419949" class="para">1</a>] </sup>
 
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<p><sup>[<a name="ftn.id596593" href="#id596593" class="para">1</a>] </sup>
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              You can use a colored checkerboard as the background for
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              compositing when you want to provide a visual indication
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              that the image has partially opaque areas.  This is