1 files changed, 104 insertions, 0 deletions
diff --git a/indra/newview/lldensityctrl.h b/indra/newview/lldensityctrl.h
new file mode 100644
index 0000000000..789022803c
--- /dev/null
+++ b/indra/newview/lldensityctrl.h
@@ -0,0 +1,104 @@
+/**
+* @file lldensityctrl.h
+* @brief Control for specifying density over a height range for sky settings.
+*
+* $LicenseInfo:firstyear=2011&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2011, Linden Research, Inc.
+*
+* 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;
+* version 2.1 of the License only.
+*
+* 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 Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#ifndef LLDENSITY_CTRL_H
+#define LLDENSITY_CTRL_H
+
+#include "lluictrl.h"
+#include "llsettingssky.h"
+#include "lltextbox.h"
+#include "llsliderctrl.h"
+
+class LLDensityCtrl : public LLUICtrl
+{
+public:
+    static const std::string DENSITY_RAYLEIGH;
+    static const std::string DENSITY_MIE;
+    static const std::string DENSITY_ABSORPTION;
+
+    // Type of density profile this tab is updating
+    enum DensityProfileType
+    {
+        Rayleigh,
+        Mie,
+        Absorption
+    };
+
+    static const std::string& NameForDensityProfileType(DensityProfileType t);
+
+    struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
+    {
+        Optional<LLTextBox::Params>         lbl_exponential,
+            lbl_exponential_scale,
+            lbl_linear,
+            lbl_constant,
+            lbl_max_altitude,
+            lbl_aniso_factor;
+
+        Optional<LLSliderCtrl::Params> exponential_slider,
+        exponential_scale_slider,
+        linear_slider,
+        constant_slider,
+        aniso_factor_slider;
+
+        Optional<LLUIImage*> image_density_feedback;
+
+        DensityProfileType profile_type;
+        Params();
+    };
+
+    virtual BOOL	        postBuild() override;
+    virtual void	        setEnabled(BOOL enabled) override;
+
+    void setProfileType(DensityProfileType t) { mProfileType = t; }
+
+    void refresh();
+    void updateProfile();
+
+    LLSettingsSky::ptr_t    getSky() const                                          { return mSkySettings; }
+    void                    setSky(const LLSettingsSky::ptr_t &sky)                 { mSkySettings = sky; refresh(); }
+
+protected:
+    friend class LLUICtrlFactory;
+    LLDensityCtrl(const Params&);
+
+    LLSD getProfileConfig();
+    void updatePreview();
+
+private:
+    void onExponentialChanged();
+    void onExponentialScaleFactorChanged();
+    void onLinearChanged();
+    void onConstantChanged();
+    void onMaxAltitudeChanged();
+    void onAnisoFactorChanged();
+
+    DensityProfileType    mProfileType = Rayleigh;
+    LLUIImage*            mImgDensityFeedback = nullptr;
+    LLSettingsSky::ptr_t  mSkySettings;
+};
+
+#endif LLDENSITY_CTRL_H