ImageSource.h

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// Copyright 2015 Sensics, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef INCLUDED_ImageSource_h_GUID_C1B68116_0322_4DBD_2360_EF4E6A81D5F4
#define INCLUDED_ImageSource_h_GUID_C1B68116_0322_4DBD_2360_EF4E6A81D5F4

// Internal Includes
// - none

// Library/third-party includes
#include <opencv2/core/core.hpp>

// Standard includes
#include <memory>

namespace osvr {
namespace vbtracker {
    class ImageSource {
      public:
        virtual ~ImageSource();

        virtual bool ok() const = 0;

        virtual bool grab() = 0;

        virtual void retrieve(cv::Mat &color, cv::Mat &gray);

        virtual cv::Size resolution() const = 0;

        virtual void retrieveColor(cv::Mat &color) = 0;

      protected:
        ImageSource() = default;
    };

    using ImageSourcePtr = std::unique_ptr<ImageSource>;
} // namespace vbtracker
} // namespace osvr
#endif // INCLUDED_ImageSource_h_GUID_C1B68116_0322_4DBD_2360_EF4E6A81D5F4