[aravis] camera: don't apply workarounds in arv_camera_new

[John Stowers <jstowers src gnome org>]

commit 198ddf8bfae3485b9a56465497c5d2e068c1c9d9
Author: John Stowers <john stowers gmail com>
Date:   Thu Oct 31 09:12:39 2013 +0100

    camera: don't apply workarounds in arv_camera_new
    
    It breaks users who construct camera objects using g_object_new,
    which includes but is not limited to introspection users. Move
    use_gain_raw to arv_camera_constructor
    
    https://bugzilla.gnome.org/show_bug.cgi?id=711192

 src/arvcamera.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/src/arvcamera.c b/src/arvcamera.c
index cbe64a1..726216e 100644
--- a/src/arvcamera.c
+++ b/src/arvcamera.c
@@ -1304,9 +1304,10 @@ arv_camera_new (const char *name)
 
        camera = g_object_new (ARV_TYPE_CAMERA, "device", device, NULL);
 
-       camera->priv->use_gain_raw = !ARV_IS_GC_FLOAT (arv_device_get_feature (device, "Gain"));
-       camera->priv->use_exposure_time_abs = !ARV_IS_GC_FLOAT (arv_device_get_feature (device, 
"ExposureTime"));
-       camera->priv->use_acquisition_frame_rate_abs = !ARV_IS_GC_FLOAT (arv_device_get_feature (device, 
"AcquisitionFrameRate"));
+    /* if you need to apply or test for fixups based on the camera model
+       please do so in arv_camera_constructor and not here, as this breaks
+       objects created with g_object_new, which includes but is not limited to
+       introspection users */
 
        return camera;
 }
@@ -1378,6 +1379,10 @@ arv_camera_constructor (GType gtype, guint n_properties, GObjectConstructParam *
        camera->priv->vendor = vendor;
        camera->priv->series = series;
 
+       camera->priv->use_gain_raw = !ARV_IS_GC_FLOAT (arv_device_get_feature (camera->priv->device, "Gain"));
+       camera->priv->use_exposure_time_abs = !ARV_IS_GC_FLOAT (arv_device_get_feature (camera->priv->device, 
"ExposureTime"));
+       camera->priv->use_acquisition_frame_rate_abs = !ARV_IS_GC_FLOAT (arv_device_get_feature 
(camera->priv->device, "AcquisitionFrameRate"));
+
     return object;
 }