added wrapper classes for lensfun types

rtengine/rtlensfun.h

@@ -0,0 +1,85 @@
+/* -*- C++ -*-
+ *  
+ *  This file is part of RawTherapee.
+ *
+ *  Copyright (c) 2017 Alberto Griggio <alberto.griggio@gmail.com>
+ *
+ *  RawTherapee is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  RawTherapee 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <lensfun.h>
+#include <glibmm.h>
+#include <memory>
+
+namespace rtengine {
+
+class LFModifier {
+public:
+    bool ok() const;
+    
+    void correctDistortion(double &x, double &y);
+    void processVignetteLine(int width, int y, float *line);
+    void processVignetteLine3Channels(int width, int y, float *line);
+    
+private:
+    friend class LFDatabase;
+    std::shared_ptr<lfModifier> data_;
+};
+
+class LFCamera {
+public:
+    bool ok() const;
+    
+    Glib::ustring getMake() const;
+    Glib::ustring getModel() const;
+    float getCropFactor() const;
+
+    Glib::ustring getDisplayString() const;
+
+private:
+    friend class LFDatabase;
+    std::shared_ptr<lfCamera> data_;
+};
+
+class LFLens {
+public:
+    bool ok() const;
+    
+    Glib::ustring getDisplayString() const;
+private:
+    friend class LFDatabase;
+    std::shared_ptr<lfLens> data_;
+};
+
+class LFDatabase {
+public:
+    static bool init();
+    static LFDatabase *getInstance();
+
+    std::vector<LFCamera> getCameras();
+    std::vector<LFLens> getLenses(const LFCamera &camera);
+    LFCamera findCamera(const Glib::ustring &make, const Glib::ustring &model);
+    LFLens findLens(const LFCamera &camera, const Glib::ustring &name);
+    LFModifier getModifier(const LFCamera &camera, const LFLens &lens,
+                           int width, int height,
+                           float focalLen, float aperture);
+
+private:
+    static LFDatabase instance_;
+    std::shared_ptr<lfDatabase> data_;
+};
+
+} // namespace rtengine