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authorMatthias Vogelgesang <matthias.vogelgesang@kit.edu>2012-03-01 12:32:10 +0100
committerMatthias Vogelgesang <matthias.vogelgesang@kit.edu>2012-03-01 12:32:10 +0100
commitb29c78f818ac92f42621c69c29736fe5c8e32c6f (patch)
treefcafd885b20775ee329ad1f02cce8cce9c557cf6 /src/cameras/uca-mock-camera.c
parent13b9b1492cb8aadef6c2905e48cbde93a7135cc0 (diff)
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Initial prototype of GObject-based libuca
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+/* Copyright (C) 2011, 2012 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
+ (Karlsruhe Institute of Technology)
+
+ This library is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation; either version 2.1 of the License, or (at your
+ option) any later version.
+
+ This library is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ details.
+
+ You should have received a copy of the GNU Lesser General Public License along
+ with this library; if not, write to the Free Software Foundation, Inc., 51
+ Franklin St, Fifth Floor, Boston, MA 02110, USA */
+
+#include "uca-camera.h"
+#include "uca-mock-camera.h"
+
+#define UCA_MOCK_CAMERA_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), UCA_TYPE_MOCK_CAMERA, UcaMockCameraPrivate))
+
+static void uca_mock_camera_interface_init(UcaCameraInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE(UcaMockCamera, uca_mock_camera, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE(UCA_TYPE_CAMERA,
+ uca_mock_camera_interface_init));
+
+enum {
+ PROP_0,
+ PROP_SENSOR_WIDTH,
+ PROP_SENSOR_HEIGHT,
+ N_PROPERTIES
+};
+
+static const gchar *mock_overrideables[N_PROPERTIES] = {
+ "sensor-width",
+ "sensor-height"
+};
+
+struct _UcaMockCameraPrivate {
+ guint width;
+ guint height;
+ guint16 *dummy_data;
+};
+
+static void uca_mock_camera_start_recording(UcaCamera *camera)
+{
+ g_return_if_fail(UCA_IS_MOCK_CAMERA(camera));
+ g_print("start recording\n");
+}
+
+static void uca_mock_camera_stop_recording(UcaCamera *camera)
+{
+ g_return_if_fail(UCA_IS_MOCK_CAMERA(camera));
+ g_print("stop recording\n");
+}
+
+static void uca_mock_camera_grab(UcaCamera *camera, gchar *data)
+{
+ g_return_if_fail(UCA_IS_MOCK_CAMERA(camera));
+ /* g_memmove(data, camera->priv->dummy_data, camera->priv->width * camera->priv->height * 2); */
+}
+
+static void uca_mock_camera_set_property(GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
+{
+ UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(object);
+
+ switch (property_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+ break;
+ }
+}
+
+static void uca_mock_camera_get_property(GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
+{
+ UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(object);
+
+ switch (property_id) {
+ case PROP_SENSOR_WIDTH:
+ g_value_set_uint(value, 1024);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+ break;
+ }
+}
+
+static void uca_mock_camera_finalize(GObject *object)
+{
+ UcaMockCameraPrivate *priv = UCA_MOCK_CAMERA_GET_PRIVATE(object);
+
+ g_free(priv->dummy_data);
+
+ G_OBJECT_CLASS(uca_mock_camera_parent_class)->finalize(object);
+}
+
+static void uca_mock_camera_interface_init(UcaCameraInterface *iface)
+{
+ iface->start_recording = uca_mock_camera_start_recording;
+ iface->stop_recording = uca_mock_camera_stop_recording;
+ iface->grab = uca_mock_camera_grab;
+}
+
+static void uca_mock_camera_class_init(UcaMockCameraClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ gobject_class->set_property = uca_mock_camera_set_property;
+ gobject_class->get_property = uca_mock_camera_get_property;
+ gobject_class->finalize = uca_mock_camera_finalize;
+
+ for (guint property_id = PROP_0+1; property_id < N_PROPERTIES; property_id++)
+ g_object_class_override_property(gobject_class, property_id, mock_overrideables[property_id-1]);
+
+ g_type_class_add_private(klass, sizeof(UcaMockCameraPrivate));
+}
+
+static void uca_mock_camera_init(UcaMockCamera *self)
+{
+ self->priv = UCA_MOCK_CAMERA_GET_PRIVATE(self);
+ self->priv->width = 1024;
+ self->priv->height = 768;
+ self->priv->dummy_data = (guint16 *) g_malloc0(self->priv->width * self->priv->height * 2);
+}