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apps/Viewer/Camera.h

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+/*
+ * Camera.h
+ *
+ * Copyright (c) 2014-2015 SEACAVE
+ *
+ * Author(s):
+ *
+ *      cDc <cdc.seacave@gmail.com>
+ *
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ * Additional Terms:
+ *
+ *      You are required to preserve legal notices and author attributions in
+ *      that material or in the Appropriate Legal Notices displayed by works
+ *      containing it.
+ */
+
+#ifndef _VIEWER_CAMERA_H_
+#define _VIEWER_CAMERA_H_
+
+
+// I N C L U D E S /////////////////////////////////////////////////
+
+
+// D E F I N E S ///////////////////////////////////////////////////
+
+
+// S T R U C T S ///////////////////////////////////////////////////
+
+namespace VIEWER {
+
+class Camera
+{
+public:
+	EIGEN_MAKE_ALIGNED_OPERATOR_NEW
+
+	cv::Size size;
+	AABB3d boxScene;
+	Eigen::Vector3d centerScene;
+	Eigen::Quaterniond rotation;
+	Eigen::Vector3d center;
+	double dist, radius;
+	float fov, fovDef;
+	float scaleF, scaleFDef;
+	MVS::IIndex prevCamID, currentCamID, maxCamID;
+
+public:
+	Camera(const AABB3d& _box=AABB3d(true), const Point3d& _center=Point3d::ZERO, float _scaleF=1, float _fov=40);
+
+	void Reset();
+	void Resize(const cv::Size&);
+	void SetFOV(float _fov);
+
+	const cv::Size& GetSize() const { return size; }
+
+	Eigen::Vector3d GetPosition() const;
+	Eigen::Matrix3d GetRotation() const;
+	Eigen::Matrix4d GetLookAt() const;
+
+	void GetLookAt(Eigen::Vector3d& eye, Eigen::Vector3d& center, Eigen::Vector3d& up) const;
+	void Rotate(const Eigen::Vector2d& pos, const Eigen::Vector2d& prevPos);
+	void Translate(const Eigen::Vector2d& pos, const Eigen::Vector2d& prevPos);
+
+	bool IsCameraViewMode() const { return prevCamID != currentCamID && currentCamID != NO_ID; }
+
+protected:
+	void ProjectOnSphere(double radius, Eigen::Vector3d& p) const;
+};
+/*----------------------------------------------------------------*/
+
+} // namespace VIEWER
+
+#endif // _VIEWER_CAMERA_H_