lens.h-Dateireferenz

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Funktionen
long	lens_get_zoom_pos ()
long	lens_get_zoom_point ()
void	lens_set_zoom_point (long newpt)
void	lens_set_zoom_speed (long newspd)
long	lens_get_focus_pos ()
long	lens_get_focus_pos_from_lens ()
void	lens_set_focus_pos (long newpos)
long	lens_get_target_distance ()
void	DoAFLock (void)
void	UnlockAF (void)
int	DoMFLock (void)
int	UnlockMF (void)
int	sd_over_modes (void)

Dokumentation der Funktionen

void DoAFLock

(

void

)

Definiert in Zeile 1253 der Datei wrappers.c.

{
  if (!camera_info.state.mode_play)
  {
     int af_lock=1;
     _DoAFLock();
     set_property_case(PROPCASE_AF_LOCK,&af_lock,sizeof(af_lock));
  }
}

int DoMFLock

(

void

)

Definiert in Zeile 23 der Datei wrappers.c.

{
  if (!camera_info.state.mode_play) {
     _PT_MFOn();
     return(1);
  }
  return(0);
}

long lens_get_focus_pos

(

)

Definiert in Zeile 3 der Datei wrappers.c.

{
    return _GetFocusLensSubjectDistance();
}

long lens_get_focus_pos_from_lens

(

)

Definiert in Zeile 8 der Datei wrappers.c.

{
    return _GetFocusLensSubjectDistanceFromLens(); 
}

long lens_get_target_distance

(

)

Definiert in Zeile 14 der Datei wrappers.c.

{
    return _GetCurrentTargetDistance();
}

long lens_get_zoom_point

(

)

Definiert in Zeile 191 der Datei wrappers.c.

{
    return _GetZoomLensCurrentPoint();
}

long lens_get_zoom_pos

(

)

Definiert in Zeile 186 der Datei wrappers.c.

{
    return _GetZoomLensCurrentPosition();
}

void lens_set_focus_pos

(

long

newpos)

Definiert in Zeile 281 der Datei wrappers.c.

{
    if (newpos >= CAMERA_MAX_DIST) newpos = INFINITY_DIST; // Set to infinity value that will work on all cameras
    _MoveFocusLensToDistance((short*)&newpos);
    while ((shooting_is_flash_ready()!=1) || (focus_busy)) msleep(10);
    newpos = _GetFocusLensSubjectDistance();
    _SetPropertyCase(PROPCASE_SUBJECT_DIST1, &newpos, sizeof(newpos));
    _SetPropertyCase(PROPCASE_SUBJECT_DIST2, &newpos, sizeof(newpos));
}

void lens_set_zoom_point

(

long

newpt)

Definiert in Zeile 205 der Datei wrappers.c.

{
    if (newpt < 0) {
        newpt = 0;
    } else if (newpt >= zoom_points) {
        newpt = zoom_points-1;
    }

#if defined(CAM_USE_ALT_SET_ZOOM_POINT)

    if (lens_get_zoom_point() != newpt)
    {
        int digizoom_pos;
        get_property_case(PROPCASE_DIGITAL_ZOOM_POSITION,&digizoom_pos,sizeof(digizoom_pos));
        // check current digital zoom mode & state
        // state == 1 && mode == 0 --> Digital Zoom Standard
        if ((shooting_get_digital_zoom_state() == 1) && (shooting_get_digital_zoom_mode() == 0) && (digizoom_pos != 0))
        {
            // reset digital zoom in case camera is in this zoom range
            extern void _PT_MoveDigitalZoomToWide();
            _PT_MoveDigitalZoomToWide();
        }

        // starting around digic 4 - _MoveZoomLensWithPoint crashes many cameras
        // _PT_MoveOpticalZoomAt works, and updates PROPCASE_OPTICAL_ZOOM_POSITION; but doesn't wait for zoom to finish
        // _MoveOpticalZoom at is underlying function that accepts speed
        // updates jpeg engine distortion correction setting, maintains focus position
        extern void _MoveOpticalZoomAt(long pt,int speed);
        _MoveOpticalZoomAt(newpt,mz_speed);

        // have to sleep here, zoom_busy set in another task, without sleep this will hang
        while (zoom_busy) msleep(10);

        // g10,g12 & sx30 only use this value for optical zoom
        zoom_status=ZOOM_OPTICAL_MAX;
    }
#else   // !(CAM_USE_ALT_SET_ZOOM_POINT)
    _MoveZoomLensWithPoint((short*)&newpt);

    // tight loop here hangs some cameras (the task that clears zoom_busy
    // is starved; seen at least on S95 and IXUS 220), so stick in a sleep
    while (zoom_busy) msleep(10);

    if (newpt==0) zoom_status=ZOOM_OPTICAL_MIN;
    else if (newpt >= zoom_points) zoom_status=ZOOM_OPTICAL_MAX;
    else zoom_status=ZOOM_OPTICAL_MEDIUM;
    _SetPropertyCase(PROPCASE_OPTICAL_ZOOM_POSITION, &newpt, sizeof(newpt));
#endif  // !(CAM_USE_ALT_SET_ZOOM_POINT)
}

void lens_set_zoom_speed

(

long

newspd)

Definiert in Zeile 255 der Datei wrappers.c.

{
// translate % to speed values for _MoveOpticalZoomAt
// which correspond to different speeds varies by camera
#if defined(CAM_USE_ALT_SET_ZOOM_POINT)
    if (newspd < 25) {
        mz_speed = 0;
    } else if (newspd < 50) {
        mz_speed = 1;
    } else if (newspd < 75) {
        mz_speed = 2;
    } else {
        mz_speed = 3;
    }
#else  // !CAM_USE_ALT_SET_ZOOM_POINT
    // a few old cameras support setting by %
    if (newspd < 5) {
        newspd = 5;
    } else if (newspd > 100) {
        newspd = 100;
    }
    _SetZoomActuatorSpeedPercent((short*)&newspd);
#endif // !CAM_USE_ALT_SET_ZOOM_POINT
}

int sd_over_modes

(

void

)

Definiert in Zeile 1135 der Datei shooting.c.

{  return ( 0
#ifdef CAM_SD_OVER_IN_AF 
          + 1
#endif
#ifdef CAM_SD_OVER_IN_AFL
          + 2 
#endif
#ifdef CAM_SD_OVER_IN_MF
          + 4
#endif
);  }

void UnlockAF

(

void

)

Definiert in Zeile 1263 der Datei wrappers.c.

{
  if (!camera_info.state.mode_play)
  {
     int af_lock=0;
     _UnlockAF();
     set_property_case(PROPCASE_AF_LOCK,&af_lock,sizeof(af_lock));
  }
}

int UnlockMF

(

void

)

Definiert in Zeile 32 der Datei wrappers.c.

{
  if (!camera_info.state.mode_play) {
     _PT_MFOff();
     return(1);
  }
  return(0);
}