K4AViewer: drop 'auto exposure priority' color control (#273)

The device firmware doesn't support modifying the auto exposure priority, so remove the UI control from the viewer.

tools/k4aviewer/k4adevicedockcontrol.cpp

@@ -204,9 +204,6 @@ void K4ADeviceDockControl::ApplyDefaultColorSettings()
     m_colorSettingsCache.WhiteBalance = { K4A_COLOR_CONTROL_MODE_AUTO, 4500 };
     ApplyColorSetting(K4A_COLOR_CONTROL_WHITEBALANCE, &m_colorSettingsCache.WhiteBalance);
 
-    m_colorSettingsCache.AutoExposurePriority = { K4A_COLOR_CONTROL_MODE_MANUAL, 1 };
-    ApplyColorSetting(K4A_COLOR_CONTROL_AUTO_EXPOSURE_PRIORITY, &m_colorSettingsCache.AutoExposurePriority);
-
     m_colorSettingsCache.Brightness = { K4A_COLOR_CONTROL_MODE_MANUAL, 128 };
     ApplyColorSetting(K4A_COLOR_CONTROL_BRIGHTNESS, &m_colorSettingsCache.Brightness);
 
@@ -245,12 +242,11 @@ void K4ADeviceDockControl::LoadColorSettingsCache()
 {
     // If more color controls are added, they need to be initialized here
     //
-    static_assert(sizeof(m_colorSettingsCache) == sizeof(ColorSetting) * 10,
+    static_assert(sizeof(m_colorSettingsCache) == sizeof(ColorSetting) * 9,
                   "Missing color setting in LoadColorSettingsCache()");
 
     ReadColorSetting(K4A_COLOR_CONTROL_EXPOSURE_TIME_ABSOLUTE, &m_colorSettingsCache.ExposureTimeUs);
     ReadColorSetting(K4A_COLOR_CONTROL_WHITEBALANCE, &m_colorSettingsCache.WhiteBalance);
-    ReadColorSetting(K4A_COLOR_CONTROL_AUTO_EXPOSURE_PRIORITY, &m_colorSettingsCache.AutoExposurePriority);
     ReadColorSetting(K4A_COLOR_CONTROL_BRIGHTNESS, &m_colorSettingsCache.Brightness);
     ReadColorSetting(K4A_COLOR_CONTROL_CONTRAST, &m_colorSettingsCache.Contrast);
     ReadColorSetting(K4A_COLOR_CONTROL_SATURATION, &m_colorSettingsCache.Saturation);
@@ -572,13 +568,6 @@ K4ADockControlStatus K4ADeviceDockControl::Show()
 
         ImGui::PopItemWidth();
 
-        ShowColorControl(K4A_COLOR_CONTROL_AUTO_EXPOSURE_PRIORITY, &m_colorSettingsCache.AutoExposurePriority,
-            [](ColorSetting *cacheEntry) {
-                return ImGui::Checkbox("Auto Exposure Priority", reinterpret_cast<bool *>(&cacheEntry->Value)) ?
-                    ColorControlAction::SetManual :
-                    ColorControlAction::None;
-         });
-
         ShowColorControl(K4A_COLOR_CONTROL_BACKLIGHT_COMPENSATION, &m_colorSettingsCache.BacklightCompensation,
             [](ColorSetting *cacheEntry) {
                 return ImGui::Checkbox("Backlight Compensation", reinterpret_cast<bool *>(&cacheEntry->Value)) ?

tools/k4aviewer/k4adevicedockcontrol.h

@@ -47,7 +47,6 @@ private:
     {
         ColorSetting ExposureTimeUs;
         ColorSetting WhiteBalance;
-        ColorSetting AutoExposurePriority;
         ColorSetting Brightness;
         ColorSetting Contrast;
         ColorSetting Saturation;

tools/k4aviewer/k4atypeoperators.cpp

@@ -72,8 +72,6 @@ std::ostream &operator<<(std::ostream &s, const k4a_color_control_command_t &val
     {
     case K4A_COLOR_CONTROL_EXPOSURE_TIME_ABSOLUTE:
         return s << "EXPOSURE_TIME_ABSOLUTE";
-    case K4A_COLOR_CONTROL_AUTO_EXPOSURE_PRIORITY:
-        return s << "AUTO_EXPOSURE_PRIORITY";
     case K4A_COLOR_CONTROL_BRIGHTNESS:
         return s << "BRIGHTNESS";
     case K4A_COLOR_CONTROL_CONTRAST: