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examples: gst-camera: add zoom property to UI

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Add a slider to modify the zoom in camerabin
This commit is contained in:
Thiago Santos 2015-04-27 19:28:57 -03:00
parent 31b1348559
commit cb56a6b32b
3 changed files with 46 additions and 0 deletions
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7
tests/examples/camerabin2/gst-camera2.c
View file

@ -203,6 +203,13 @@ on_formatComboBox_changed (GtkWidget * widget, gpointer data)
}
}
void
on_zoomScale_value_changed (GtkWidget * widget, gpointer data)
{
g_object_set (camera, "zoom",
(gfloat) gtk_range_get_value (GTK_RANGE (widget)), NULL);
}
static GstBusSyncReply
bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data)
{

3
tests/examples/camerabin2/gst-camera2.h
View file

@ -48,4 +48,7 @@ on_viewfinderArea_realize (GtkWidget * widget, gpointer data);
void
on_formatComboBox_changed (GtkWidget * widget, gpointer data);
void
on_zoomScale_value_changed (GtkWidget * widget, gpointer data);
#endif /* __GST_CAMERA_BIN_H__ */

36
tests/examples/camerabin2/gst-camera2.ui
View file

@ -2,6 +2,13 @@
<!-- Generated with glade 3.18.3 -->
<interface>
<requires lib="gtk+" version="3.0"/>
<object class="GtkAdjustment" id="zoomadjustment">
<property name="lower">1</property>
<property name="upper">10</property>
<property name="value">1</property>
<property name="step_increment">0.10000000000000001</property>
<property name="page_increment">1</property>
</object>
<object class="GtkWindow" id="mainWindow">
<property name="can_focus">False</property>
<property name="default_width">800</property>
@ -44,6 +51,7 @@
<property name="xalign">0</property>
<property name="active">True</property>
<property name="draw_indicator">True</property>
<property name="group">imageRButton</property>
<signal name="toggled" handler="on_videoRButton_toggled" swapped="no"/>
</object>
<packing>
@ -147,6 +155,34 @@
<property name="position">4</property>
</packing>
</child>
<child>
<object class="GtkLabel" id="label1">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="label" translatable="yes">Zoom</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">5</property>
</packing>
</child>
<child>
<object class="GtkScale" id="zoomScale">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="adjustment">zoomadjustment</property>
<property name="fill_level">10</property>
<property name="round_digits">1</property>
<property name="value_pos">right</property>
<signal name="value-changed" handler="on_zoomScale_value_changed" swapped="no"/>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">6</property>
</packing>
</child>
</object>
<packing>
<property name="expand">False</property>