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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#goffice-0.8-GOGeometry.description" class="shortcut">Description</a>
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<div class="refentry" title="GOGeometry">
<a name="goffice-0.8-GOGeometry"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="goffice-0.8-GOGeometry.top_of_page"></a>GOGeometry</span></h2>
<p>GOGeometry</p>
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<td valign="top" align="right"></td>
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<div class="refsynopsisdiv" title="Synopsis">
<a name="goffice-0.8-GOGeometry.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <goffice/graph/go-geometry.h>
#define <a class="link" href="goffice-0.8-GOGeometry.html#GO-GEOMETRY-ANGLE-TOLERANCE:CAPS" title="GO_GEOMETRY_ANGLE_TOLERANCE">GO_GEOMETRY_ANGLE_TOLERANCE</a>
enum <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide">GOGeometrySide</a>;
enum <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryRotationType" title="enum GOGeometryRotationType">GOGeometryRotationType</a>;
<a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR">GOGeometryOBR</a>;
typedef <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR">GOGeometryAABR</a>;
<span class="returnvalue">void</span> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-cartesian-to-polar" title="go_geometry_cartesian_to_polar ()">go_geometry_cartesian_to_polar</a> (<em class="parameter"><code><span class="type">double</span> x</code></em>,
<em class="parameter"><code><span class="type">double</span> y</code></em>,
<em class="parameter"><code><span class="type">double</span> *rho</code></em>,
<em class="parameter"><code><span class="type">double</span> *theta</code></em>);
<span class="returnvalue">double</span> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-point-to-segment" title="go_geometry_point_to_segment ()">go_geometry_point_to_segment</a> (<em class="parameter"><code><span class="type">double</span> xp</code></em>,
<em class="parameter"><code><span class="type">double</span> yp</code></em>,
<em class="parameter"><code><span class="type">double</span> xs</code></em>,
<em class="parameter"><code><span class="type">double</span> ys</code></em>,
<em class="parameter"><code><span class="type">double</span> w</code></em>,
<em class="parameter"><code><span class="type">double</span> h</code></em>);
<span class="returnvalue">void</span> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-AABR-add" title="go_geometry_AABR_add ()">go_geometry_AABR_add</a> (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a> *aabr0</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a> const *aabr1</code></em>);
<span class="returnvalue">void</span> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-OBR-to-AABR" title="go_geometry_OBR_to_AABR ()">go_geometry_OBR_to_AABR</a> (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> const *obr</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a> *aabr</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-test-OBR-overlap" title="go_geometry_test_OBR_overlap ()">go_geometry_test_OBR_overlap</a> (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> const *obr0</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> const *obr1</code></em>);
<a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryRotationType" title="enum GOGeometryRotationType"><span class="returnvalue">GOGeometryRotationType</span></a> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-get-rotation-type" title="go_geometry_get_rotation_type ()">go_geometry_get_rotation_type</a> (<em class="parameter"><code><span class="type">double</span> alpha</code></em>);
<a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="returnvalue">GOGeometrySide</span></a> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-calc-label-position" title="go_geometry_calc_label_position ()">go_geometry_calc_label_position</a> (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> *obr</code></em>,
<em class="parameter"><code><span class="type">double</span> alpha</code></em>,
<em class="parameter"><code><span class="type">double</span> offset</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="type">GOGeometrySide</span></a> side</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="type">GOGeometrySide</span></a> anchor</code></em>);
<a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="returnvalue">GOGeometrySide</span></a> <a class="link" href="goffice-0.8-GOGeometry.html#go-geometry-calc-label-anchor" title="go_geometry_calc_label_anchor ()">go_geometry_calc_label_anchor</a> (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> *obr</code></em>,
<em class="parameter"><code><span class="type">double</span> alpha</code></em>);
enum <a class="link" href="goffice-0.8-GOGeometry.html#GODirection" title="enum GODirection">GODirection</a>;
<a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> <a class="link" href="goffice-0.8-GOGeometry.html#go-direction-get-type" title="go_direction_get_type ()">go_direction_get_type</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="goffice-0.8-GOGeometry.html#go-direction-is-forward" title="go_direction_is_forward ()">go_direction_is_forward</a> (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GODirection" title="enum GODirection"><span class="type">GODirection</span></a> d</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="goffice-0.8-GOGeometry.html#go-direction-is-horizontal" title="go_direction_is_horizontal ()">go_direction_is_horizontal</a> (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GODirection" title="enum GODirection"><span class="type">GODirection</span></a> d</code></em>);
</pre>
</div>
<div class="refsect1" title="Description">
<a name="goffice-0.8-GOGeometry.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1" title="Details">
<a name="goffice-0.8-GOGeometry.details"></a><h2>Details</h2>
<div class="refsect2" title="GO_GEOMETRY_ANGLE_TOLERANCE">
<a name="GO-GEOMETRY-ANGLE-TOLERANCE:CAPS"></a><h3>GO_GEOMETRY_ANGLE_TOLERANCE</h3>
<pre class="programlisting">#define GO_GEOMETRY_ANGLE_TOLERANCE 1E-3
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="enum GOGeometrySide">
<a name="GOGeometrySide"></a><h3>enum GOGeometrySide</h3>
<pre class="programlisting">typedef enum {
GO_SIDE_LEFT = 1 << 0,
GO_SIDE_RIGHT = 1 << 1,
GO_SIDE_LEFT_RIGHT = 3 << 0,
GO_SIDE_TOP = 1 << 2,
GO_SIDE_BOTTOM = 1 << 3,
GO_SIDE_TOP_BOTTOM = 3 << 2,
GO_SIDE_AUTO = 15
} GOGeometrySide;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="enum GOGeometryRotationType">
<a name="GOGeometryRotationType"></a><h3>enum GOGeometryRotationType</h3>
<pre class="programlisting">typedef enum {
GO_ROTATE_NONE = 0,
GO_ROTATE_COUNTERCLOCKWISE = 1,
GO_ROTATE_UPSIDEDOWN = 2,
GO_ROTATE_CLOCKWISE = 3,
GO_ROTATE_FREE = 4
} GOGeometryRotationType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="GOGeometryOBR">
<a name="GOGeometryOBR"></a><h3>GOGeometryOBR</h3>
<pre class="programlisting">typedef struct {
double x,y; /* Center */
double w,h; /* Edges */
double alpha; /* Angle from x axis to w edge, in radians */
} GOGeometryOBR;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="GOGeometryAABR">
<a name="GOGeometryAABR"></a><h3>GOGeometryAABR</h3>
<pre class="programlisting">typedef struct _GogViewAllocation GOGeometryAABR;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="go_geometry_cartesian_to_polar ()">
<a name="go-geometry-cartesian-to-polar"></a><h3>go_geometry_cartesian_to_polar ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> go_geometry_cartesian_to_polar (<em class="parameter"><code><span class="type">double</span> x</code></em>,
<em class="parameter"><code><span class="type">double</span> y</code></em>,
<em class="parameter"><code><span class="type">double</span> *rho</code></em>,
<em class="parameter"><code><span class="type">double</span> *theta</code></em>);</pre>
<p>
Converts cartesion coordinates to polar coordinates.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>cartesian coordinate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>cartesian coordinate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>rho</code></em> :</span></p></td>
<td>polar coordinate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>theta</code></em> :</span></p></td>
<td>polar coordinate
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_geometry_point_to_segment ()">
<a name="go-geometry-point-to-segment"></a><h3>go_geometry_point_to_segment ()</h3>
<pre class="programlisting"><span class="returnvalue">double</span> go_geometry_point_to_segment (<em class="parameter"><code><span class="type">double</span> xp</code></em>,
<em class="parameter"><code><span class="type">double</span> yp</code></em>,
<em class="parameter"><code><span class="type">double</span> xs</code></em>,
<em class="parameter"><code><span class="type">double</span> ys</code></em>,
<em class="parameter"><code><span class="type">double</span> w</code></em>,
<em class="parameter"><code><span class="type">double</span> h</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>xp</code></em> :</span></p></td>
<td>point coordinate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>yp</code></em> :</span></p></td>
<td>point coordinate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>xs</code></em> :</span></p></td>
<td>segment start coordinate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ys</code></em> :</span></p></td>
<td>segment start coordinate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>w</code></em> :</span></p></td>
<td>extent of segment
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>h</code></em> :</span></p></td>
<td>extent of segment
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the distance between a point and a segment.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_geometry_AABR_add ()">
<a name="go-geometry-AABR-add"></a><h3>go_geometry_AABR_add ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> go_geometry_AABR_add (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a> *aabr0</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a> const *aabr1</code></em>);</pre>
<p>
Computes the Axis Aligned Bounding Rectangle of aabr0 and aabr1,
and stores result in aabr0.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>aabr0</code></em> :</span></p></td>
<td>a <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>aabr1</code></em> :</span></p></td>
<td>a <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_geometry_OBR_to_AABR ()">
<a name="go-geometry-OBR-to-AABR"></a><h3>go_geometry_OBR_to_AABR ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> go_geometry_OBR_to_AABR (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> const *obr</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a> *aabr</code></em>);</pre>
<p>
Stores Axis Aligned Bouding Rectangle of <em class="parameter"><code>obr</code></em> in <em class="parameter"><code>aabr</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>obr</code></em> :</span></p></td>
<td>a <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>aabr</code></em> :</span></p></td>
<td>a <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryAABR" title="GOGeometryAABR"><span class="type">GOGeometryAABR</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_geometry_test_OBR_overlap ()">
<a name="go-geometry-test-OBR-overlap"></a><h3>go_geometry_test_OBR_overlap ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> go_geometry_test_OBR_overlap (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> const *obr0</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> const *obr1</code></em>);</pre>
<p>
Overlap test of Oriented Bounding Rectangles by the separating axis method.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>obr0</code></em> :</span></p></td>
<td>a <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>obr1</code></em> :</span></p></td>
<td>a <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if OOBRs overlap
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_geometry_get_rotation_type ()">
<a name="go-geometry-get-rotation-type"></a><h3>go_geometry_get_rotation_type ()</h3>
<pre class="programlisting"><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryRotationType" title="enum GOGeometryRotationType"><span class="returnvalue">GOGeometryRotationType</span></a> go_geometry_get_rotation_type (<em class="parameter"><code><span class="type">double</span> alpha</code></em>);</pre>
<p>
Calculates rotation type for handling of special angles (alpha = n * pi / 2)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
<td>angle in radians
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a <a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryRotationType" title="enum GOGeometryRotationType"><span class="type">GOGeometryRotationType</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_geometry_calc_label_position ()">
<a name="go-geometry-calc-label-position"></a><h3>go_geometry_calc_label_position ()</h3>
<pre class="programlisting"><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="returnvalue">GOGeometrySide</span></a> go_geometry_calc_label_position (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> *obr</code></em>,
<em class="parameter"><code><span class="type">double</span> alpha</code></em>,
<em class="parameter"><code><span class="type">double</span> offset</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="type">GOGeometrySide</span></a> side</code></em>,
<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="type">GOGeometrySide</span></a> anchor</code></em>);</pre>
<p>
Convenience routine that computes position of a label relative to an axis.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>obr</code></em> :</span></p></td>
<td>bounding rectangle of label
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
<td>angle of axis
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>minimum distance between label and axis
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>side</code></em> :</span></p></td>
<td>side of label with respect to axis
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>anchor</code></em> :</span></p></td>
<td>where to anchor the label
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the computed anchor if <em class="parameter"><code>anchor</code></em> == GO_SIDE_AUTO, or <em class="parameter"><code>anchor</code></em> value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_geometry_calc_label_anchor ()">
<a name="go-geometry-calc-label-anchor"></a><h3>go_geometry_calc_label_anchor ()</h3>
<pre class="programlisting"><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometrySide" title="enum GOGeometrySide"><span class="returnvalue">GOGeometrySide</span></a> go_geometry_calc_label_anchor (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GOGeometryOBR" title="GOGeometryOBR"><span class="type">GOGeometryOBR</span></a> *obr</code></em>,
<em class="parameter"><code><span class="type">double</span> alpha</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>obr</code></em> :</span></p></td>
<td>bounding rectangle of label
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
<td>angle of axis
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> computed label anchor, to be used by go_geometry_calc_label_position.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum GODirection">
<a name="GODirection"></a><h3>enum GODirection</h3>
<pre class="programlisting">typedef enum {
GO_DIRECTION_UP = 0,
GO_DIRECTION_DOWN = 1,
GO_DIRECTION_LEFT = 2,
GO_DIRECTION_RIGHT = 3,
GO_DIRECTION_NONE = 4
} GODirection;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" title="go_direction_get_type ()">
<a name="go-direction-get-type"></a><h3>go_direction_get_type ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> go_direction_get_type (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_direction_is_forward ()">
<a name="go-direction-is-forward"></a><h3>go_direction_is_forward ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> go_direction_is_forward (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GODirection" title="enum GODirection"><span class="type">GODirection</span></a> d</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>d</code></em> :</span></p></td>
<td>
<a class="link" href="goffice-0.8-GOGeometry.html#GODirection" title="enum GODirection"><span class="type">GODirection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> TRUE for GO_DIRECTION_DOWN or GO_DIRECTION_RIGHT.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="go_direction_is_horizontal ()">
<a name="go-direction-is-horizontal"></a><h3>go_direction_is_horizontal ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> go_direction_is_horizontal (<em class="parameter"><code><a class="link" href="goffice-0.8-GOGeometry.html#GODirection" title="enum GODirection"><span class="type">GODirection</span></a> d</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>d</code></em> :</span></p></td>
<td>
<a class="link" href="goffice-0.8-GOGeometry.html#GODirection" title="enum GODirection"><span class="type">GODirection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> TRUE for GO_DIRECTION_LEFT and GO_DIRECTION_RIGHT.
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
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