sustaining_gazes/lib/local/CamCom/camera_helper.cpp

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2016-05-20 22:48:43 +02:00
#include "stdafx.h"
#include "camera_helper.h"
//#include <format.h>
namespace {
namespace internal {
template<camera::Property property> struct property_traits {};
template<long Id>
struct camera_control_property_traits
{
typedef IAMCameraControl Interface;
static long id() { return Id; }
};
template<long Id>
struct video_proc_amp_property_traits
{
typedef IAMVideoProcAmp Interface;
static long id() { return Id; }
};
template<> struct property_traits < camera::Exposure > : public camera_control_property_traits<CameraControl_Exposure> {};
template<> struct property_traits < camera::Focus > : public camera_control_property_traits<CameraControl_Focus>{};
template<> struct property_traits < camera::Zoom > : public camera_control_property_traits<CameraControl_Zoom>{};
template<> struct property_traits < camera::Pan > : public camera_control_property_traits<CameraControl_Pan>{};
template<> struct property_traits < camera::Tilt > : public camera_control_property_traits<CameraControl_Tilt>{};
template<> struct property_traits < camera::Roll > : public camera_control_property_traits<CameraControl_Roll>{};
template<> struct property_traits < camera::Iris > : public camera_control_property_traits<CameraControl_Iris>{};
template<> struct property_traits < camera::Brightness > : public video_proc_amp_property_traits<VideoProcAmp_Brightness>{};
template<> struct property_traits < camera::Contrast > : public video_proc_amp_property_traits<VideoProcAmp_Contrast>{};
template<> struct property_traits < camera::Hue > : public video_proc_amp_property_traits<VideoProcAmp_Hue>{};
template<> struct property_traits < camera::Saturation > : public video_proc_amp_property_traits<VideoProcAmp_Saturation>{};
template<> struct property_traits < camera::Sharpness > : public video_proc_amp_property_traits<VideoProcAmp_Sharpness>{};
template<> struct property_traits < camera::Gamma > : public video_proc_amp_property_traits<VideoProcAmp_Gamma>{};
template<> struct property_traits < camera::ColorEnable > : public video_proc_amp_property_traits<VideoProcAmp_ColorEnable>{};
template<> struct property_traits < camera::WhiteBalance > : public video_proc_amp_property_traits<VideoProcAmp_WhiteBalance>{};
template<> struct property_traits < camera::BacklightCompensation > : public video_proc_amp_property_traits<VideoProcAmp_BacklightCompensation>{};
template<> struct property_traits < camera::Gain > : public video_proc_amp_property_traits < VideoProcAmp_Gain > {};
template<typename Interface> struct interface_traits {};
template<> struct interface_traits < IAMCameraControl >
{
static long auto_flag() { return CameraControl_Flags_Auto; }
static long manual_flag() { return CameraControl_Flags_Manual; }
};
template<> struct interface_traits<IAMVideoProcAmp>
{
static long auto_flag() { return VideoProcAmp_Flags_Auto; }
static long manual_flag() { return VideoProcAmp_Flags_Manual; }
};
template<typename Interface, typename SourcePtr>
bool has(long id, const SourcePtr& source_ptr) {
comet::com_ptr<Interface> pInterface = comet::com_cast(source_ptr);
if (!pInterface) return false;
long value, flags;
HRESULT hr = pInterface->Get(id, &value, &flags);
return SUCCEEDED(hr);
}
template<typename Interface, typename SourcePtr>
cam_prop_range get_range(long id, const SourcePtr& source_ptr) {
comet::com_ptr<Interface> pInterface = comet::try_cast(source_ptr);
cam_prop_range range;
long flags;
pInterface->GetRange(id, &range.min, &range.max, &range.step, &range.defaultValue, &flags) | comet::raise_exception;
range.canBeAuto = (flags & interface_traits<Interface>::auto_flag()) != 0;
range.canBeManual = (flags & interface_traits<Interface>::manual_flag()) != 0;
return range;
}
template<typename Interface, typename SourcePtr>
cam_prop_value get(long id, const SourcePtr& source_ptr) {
comet::com_ptr<Interface> pInterface = comet::try_cast(source_ptr);
cam_prop_value value;
long flags;
pInterface->Get(id, &value.value, &flags) | comet::raise_exception;
value.isAuto = (flags & interface_traits<Interface>::auto_flag()) != 0 || (flags & interface_traits<Interface>::manual_flag()) == 0;
return value;
}
template<typename Interface, typename SourcePtr>
void set(long id, const cam_prop_value& value, const SourcePtr& source_ptr) {
comet::com_ptr<Interface> pInterface = comet::try_cast(source_ptr);
long flags = value.isAuto ? interface_traits<Interface>::auto_flag() : interface_traits<Interface>::manual_flag();
pInterface->Set(id, value.value, flags) | comet::raise_exception;
}
}
}
#define MAP_OVER_CAMERA_PROPERTIES(FUNC) \
FUNC(::camera::Exposure, Exposure) \
FUNC(::camera::Focus, Focus) \
FUNC(::camera::Zoom, Zoom) \
FUNC(::camera::Pan, Pan) \
FUNC(::camera::Tilt, Tilt) \
FUNC(::camera::Roll, Roll) \
FUNC(::camera::Iris, Iris) \
FUNC(::camera::Brightness, Brightness) \
FUNC(::camera::Contrast, Contrast) \
FUNC(::camera::Hue, Hue) \
FUNC(::camera::Saturation, Saturation) \
FUNC(::camera::Sharpness, Sharpness) \
FUNC(::camera::Gamma, Gamma) \
FUNC(::camera::ColorEnable, Color Enable) \
FUNC(::camera::WhiteBalance, White Balance) \
FUNC(::camera::BacklightCompensation, Backlight Compensation) \
FUNC(::camera::Gain, Gain)
bool camera::has(Property property) const
{
switch (property) {
#define CASE(PROP, NAME) case PROP: return ::internal::has<::internal::property_traits<PROP>::Interface>(::internal::property_traits<PROP>::id(), source_ptr);
MAP_OVER_CAMERA_PROPERTIES(CASE)
#undef CASE
default:
return false;
}
}
cam_prop_range camera::get_range(Property property) const
{
switch (property) {
#define CASE(PROP, NAME) case PROP: return ::internal::get_range<::internal::property_traits<PROP>::Interface>(::internal::property_traits<PROP>::id(), source_ptr);
MAP_OVER_CAMERA_PROPERTIES(CASE)
#undef CASE
default:
throw std::runtime_error("No such property: " + std::string(camera::property_name(property)));
}
}
cam_prop_value camera::get(Property property) const
{
switch (property) {
#define CASE(PROP, NAME) case PROP: return ::internal::get<::internal::property_traits<PROP>::Interface>(::internal::property_traits<PROP>::id(), source_ptr);
MAP_OVER_CAMERA_PROPERTIES(CASE)
#undef CASE
default:
throw std::runtime_error("No such property: " + std::string(camera::property_name(property)));
}
}
void camera::set(Property property, const cam_prop_value& value)
{
switch (property) {
#define CASE(PROP, NAME) case PROP: ::internal::set<::internal::property_traits<PROP>::Interface>(::internal::property_traits<PROP>::id(), value, source_ptr); break;
MAP_OVER_CAMERA_PROPERTIES(CASE)
#undef CASE
}
}
std::vector<camera::Property> camera::list_properties()
{
std::vector<camera::Property> properties;
properties.push_back(Exposure); // CameraControl
properties.push_back(Focus);
properties.push_back(Zoom);
properties.push_back(Pan);
properties.push_back(Tilt);
properties.push_back(Roll);
properties.push_back(Iris);
properties.push_back(Brightness);
properties.push_back(Contrast);
properties.push_back(Hue);
properties.push_back(Saturation);
properties.push_back(Sharpness);
properties.push_back(Gamma);
properties.push_back(ColorEnable);
properties.push_back(WhiteBalance);
properties.push_back(BacklightCompensation);
properties.push_back(Gain);
return properties;
//#define PROPENTRY(PROP, NAME) PROP,
// MAP_OVER_CAMERA_PROPERTIES(PROPENTRY)
//#undef PROPENTRY
// };
}
const char* camera::property_name(Property property)
{
switch (property) {
#define CASE(PROP, NAME) case PROP: return #NAME;
MAP_OVER_CAMERA_PROPERTIES(CASE)
#undef CASE
default:
return "UNKNOWN";
}
}