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KDE 4.4 PyKDE API Reference
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<h1>KPixmapRegionSelectorWidget Class Reference</h1>
<code>from PyKDE4.kdeui import *</code>
<p>
Inherits: <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qwidget.html">QWidget</a> → <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qobject.html">QObject</a><br />
<h2>Detailed Description</h2>
<p>KPixmapRegionSelectorWidget is a widget that shows a picture and provides the
user with a friendly way to select a rectangular subregion of the pixmap.
</p>
<p>
NOTE: There are two copies of this .h and the .cpp file, with subtle differences.
One copy is in kdelibs/kdeui, and the other copy is in kdepim/libkdepim
This is because kdepim has to remain backwards compatible. Any changes
to either file should be made to the other.
</p>
<p>
<div align="center"><img src="../images/kpixmapregionselectorwidget.png" /><p><strong> "KDE Pixmap Region Selector" </strong></p></div>
</p>
<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd> Antonio Larrosa <larrosa@kde.org> </dd></dl>
</p>
<table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Enumerations</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="#RotateDirection">RotateDirection</a> </td><td class="memItemRight" valign="bottom">{ Rotate90, Rotate180, Rotate270 }</td></tr>
<tr><td colspan="2"><br><h2>Methods</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#KPixmapRegionSelectorWidget">__init__</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qwidget.html">QWidget</a> parent=0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#KPixmapRegionSelectorWidget">__init__</a> (self, <a href="../kdeui/KPixmapRegionSelectorWidget.html">KPixmapRegionSelectorWidget</a> a0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../kdeui/KMenu.html">KMenu</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#createPopupMenu">createPopupMenu</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qpixmap.html">QPixmap</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#pixmap">pixmap</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#resetSelection">resetSelection</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#rotate">rotate</a> (self, <a href="../kdeui/KPixmapRegionSelectorWidget.html#RotateDirection">KPixmapRegionSelectorWidget.RotateDirection</a> direction)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#rotateClockwise">rotateClockwise</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#rotateCounterclockwise">rotateCounterclockwise</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qimage.html">QImage</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#selectedImage">selectedImage</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qrect.html">QRect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#selectedRegion">selectedRegion</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setFreeSelectionAspectRatio">setFreeSelectionAspectRatio</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setMaximumWidgetSize">setMaximumWidgetSize</a> (self, int width, int height)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setPixmap">setPixmap</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qpixmap.html">QPixmap</a> pixmap)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setSelectedRegion">setSelectedRegion</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qrect.html">QRect</a> rect)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setSelectionAspectRatio">setSelectionAspectRatio</a> (self, int width, int height)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qrect.html">QRect</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#unzoomedSelectedRegion">unzoomedSelectedRegion</a> (self)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="KPixmapRegionSelectorWidget"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qwidget.html">QWidget</a> </td>
<td class="paramname"><em>parent=0</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Constructor for a KPixmapRegionSelectorWidget.
</p></div></div><a class="anchor" name="KPixmapRegionSelectorWidget"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../kdeui/KPixmapRegionSelectorWidget.html">KPixmapRegionSelectorWidget</a> </td>
<td class="paramname"><em>a0</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="createPopupMenu"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../kdeui/KMenu.html">KMenu</a> createPopupMenu</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Creates a KMenu with the menu that appears when clicking with the right button on the label
</p></div></div><a class="anchor" name="pixmap"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qpixmap.html">QPixmap</a> pixmap</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p><dl class="return" compact><dt><b>Returns:</b></dt><dd> the original whole pixmap that we're using in this widget as the
pixmap the user is selecting a region from.
</dd></dl>
</p></div></div><a class="anchor" name="resetSelection"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> resetSelection</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Resets the selection to use the whole image
</p></div></div><a class="anchor" name="rotate"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> rotate</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../kdeui/KPixmapRegionSelectorWidget.html#RotateDirection">KPixmapRegionSelectorWidget.RotateDirection</a> </td>
<td class="paramname"><em>direction</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Rotates the image as specified by the <b>direction</b> parameter, also tries
to rotate the selected region so that it doesn't change, as long as the
forced aspect ratio setting is respected, in other case, the selected region
is reset.
</p></div></div><a class="anchor" name="rotateClockwise"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> rotateClockwise</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Rotates the current image 90º clockwise
</p></div></div><a class="anchor" name="rotateCounterclockwise"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> rotateCounterclockwise</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Rotates the current image 90º counterclockwise
</p></div></div><a class="anchor" name="selectedImage"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qimage.html">QImage</a> selectedImage</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p><dl class="return" compact><dt><b>Returns:</b></dt><dd> a QImage object with just the region the user selected from the
image
</dd></dl>
</p></div></div><a class="anchor" name="selectedRegion"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qrect.html">QRect</a> selectedRegion</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Returns the selected region ( in zoomed pixmap coordinates )
</p></div></div><a class="anchor" name="setFreeSelectionAspectRatio"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setFreeSelectionAspectRatio</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Allows the user to do a selection which has any aspect ratio. This is
the default.
<dl class="see" compact><dt><b>See also:</b></dt><dd> setSelectionAspectRatio()
</dd></dl>
</p></div></div><a class="anchor" name="setMaximumWidgetSize"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setMaximumWidgetSize</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>width</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>height</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Sets the maximum size for the widget. If the image is larger than this
(either horizontally or vertically), it's scaled to adjust to the maximum
size (preserving the aspect ratio)
</p></div></div><a class="anchor" name="setPixmap"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setPixmap</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qpixmap.html">QPixmap</a> </td>
<td class="paramname"><em>pixmap</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Sets the pixmap which will be shown for the user to select a region from.
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>pixmap</em> </td><td> The pixmap. Must be non-null.
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="setSelectedRegion"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setSelectedRegion</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qrect.html">QRect</a> </td>
<td class="paramname"><em>rect</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Sets the selected region to be <b>rect</b> (in zoomed pixmap coordinates)
</p></div></div><a class="anchor" name="setSelectionAspectRatio"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setSelectionAspectRatio</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>width</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>height</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Sets the aspect ration that the selected subimage should have. The way to
select it, is specifying an example valid <b>width</b> and <b>height.</b>
<dl class="see" compact><dt><b>See also:</b></dt><dd> setFreeSelectionAspectRatio()
</dd></dl>
</p></div></div><a class="anchor" name="unzoomedSelectedRegion"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qrect.html">QRect</a> unzoomedSelectedRegion</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Returns the selected region ( in unzoomed, original pixmap coordinates )
</p></div></div><hr><h2>Enumeration Documentation</h2><a class="anchor" name="RotateDirection"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr><td class="memname">RotateDirection</td>
</tr>
</table>
</div>
<div class="memdoc"><p>This enum provides a rotation direction.
<dl class="see" compact><dt><b>See also:</b></dt><dd> KPixmapRegionSelectorWidget.rotate()
</dd></dl>
</p><dl compact><dt><b>Enumerator: </b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0"><tr><td valign="top"><em>Rotate90</em> </td><td><tr><td valign="top"><em>Rotate180</em> </td><td><tr><td valign="top"><em>Rotate270</em> </td><td></table>
</dl>
</div></div><p>
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