gdk-drawing-primitives.html

最新gtk中文资料集

<div class="refsect2" lang="en">
<a name="id3102646"></a><h3>
<a name="GdkDrawable-struct"></a>GdkDrawable</h3>
<a class="indexterm" name="id3102658"></a><pre class="programlisting">typedef struct _GdkDrawable GdkDrawable;</pre>
<p>
An opaque structure representing an object that can be
drawn onto. This can be a <a class="link" href="gdk-Bitmaps-and-Pixmaps.html#GdkPixmap"><span class="type">GdkPixmap</span></a>, a <a class="link" href="gdk-Bitmaps-and-Pixmaps.html#GdkBitmap"><span class="type">GdkBitmap</span></a>,
or a <a class="link" href="gdk-Windows.html#GdkWindow"><span class="type">GdkWindow</span></a>.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102699"></a><h3>
<a name="gdk-drawable-ref"></a>gdk_drawable_ref ()</h3>
<a class="indexterm" name="id3102713"></a><pre class="programlisting"><a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a>*        gdk_drawable_ref                    (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gdk_drawable_ref</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Deprecated equivalent of calling <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-ref"
><code class="function">g_object_ref()</code></a> on <em class="parameter"><code>drawable</code></em>.
(Drawables were not objects in previous versions of GDK.)</p>
<p>

</p>
<div class="variablelist"><table border="0">
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<tbody>
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<td><p><span class="term"><em class="parameter"><code>drawable</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the same <em class="parameter"><code>drawable</code></em> passed in
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102817"></a><h3>
<a name="gdk-drawable-unref"></a>gdk_drawable_unref ()</h3>
<a class="indexterm" name="id3102833"></a><pre class="programlisting">void                gdk_drawable_unref                  (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gdk_drawable_unref</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Deprecated equivalent of calling <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-unref"
><code class="function">g_object_unref()</code></a> on <em class="parameter"><code>drawable</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102919"></a><h3>
<a name="gdk-drawable-set-data"></a>gdk_drawable_set_data ()</h3>
<a class="indexterm" name="id3102935"></a><pre class="programlisting">void                gdk_drawable_set_data               (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *key,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a> data,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"
>GDestroyNotify</a> destroy_func);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gdk_drawable_set_data</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
This function is equivalent to <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-set-data"
><code class="function">g_object_set_data()</code></a>,
the <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"
><span class="type">GObject</span></a> variant should be used instead.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em>&#160;:</span></p></td>
<td> name to store the data under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em>&#160;:</span></p></td>
<td> arbitrary data
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>destroy_func</code></em>&#160;:</span></p></td>
<td> function to free <em class="parameter"><code>data</code></em>, or <a
href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"
><code class="literal">NULL</code></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103108"></a><h3>
<a name="gdk-drawable-get-data"></a>gdk_drawable_get_data ()</h3>
<a class="indexterm" name="id3103123"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a>            gdk_drawable_get_data               (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *key);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gdk_drawable_get_data</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Equivalent to <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-get-data"
><code class="function">g_object_get_data()</code></a>; the <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"
><span class="type">GObject</span></a> variant should be
used instead.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em>&#160;:</span></p></td>
<td> name the data was stored under
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the data stored at <em class="parameter"><code>key</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103252"></a><h3>
<a name="gdk-drawable-get-display"></a>gdk_drawable_get_display ()</h3>
<a class="indexterm" name="id3103268"></a><pre class="programlisting"><a class="link" href="GdkDisplay.html" title="GdkDisplay">GdkDisplay</a>*         gdk_drawable_get_display            (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);</pre>
<p>
Gets the <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> associated with a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> associated with <em class="parameter"><code>drawable</code></em>

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  2.2
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103372"></a><h3>
<a name="gdk-drawable-get-screen"></a>gdk_drawable_get_screen ()</h3>
<a class="indexterm" name="id3103387"></a><pre class="programlisting"><a class="link" href="GdkScreen.html" title="GdkScreen">GdkScreen</a>*          gdk_drawable_get_screen             (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);</pre>
<p>
Gets the <a class="link" href="GdkScreen.html" title="GdkScreen"><span class="type">GdkScreen</span></a> associated with a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable"><span class="type">GdkDrawable</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the <a class="link" href="GdkScreen.html" title="GdkScreen"><span class="type">GdkScreen</span></a> associated with <em class="parameter"><code>drawable</code></em>

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since  2.2
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103492"></a><h3>
<a name="gdk-drawable-get-visual"></a>gdk_drawable_get_visual ()</h3>
<a class="indexterm" name="id3103504"></a><pre class="programlisting"><a class="link" href="gdk-Visuals.html#GdkVisual">GdkVisual</a>*          gdk_drawable_get_visual             (<a class="link" href="gdk-Drawing-Primitives.html#GdkDrawable">GdkDrawable</a> *drawable);</pre>
<p>
Gets the <a class="link" href="gdk-Visuals.html#GdkVisual"><span class="type">GdkVisual</span></a> describing the pixel format of <em class="parameter"><code>drawable</code></em>.</p>