ImagePanel.h

/* Copyright 2017 Kristofer Björnson
 *
 * 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 COM_DAFER45_TBTK_IMAGE_PANEL
#define COM_DAFER45_TBTK_IMAGE_PANEL
 
#include <wx/wx.h>
#include <wx/sizer.h>
 
#include <opencv2/core/core.hpp>
 
namespace TBTK{
 
class ImagePanel : public wxPanel{
public:
    ImagePanel(wxWindow *parent);
 
    ~ImagePanel();
 
    void setImage(wxString file, wxBitmapType format);
 
    void setImage(const cv::Mat &image);
 
    void onPaintEvent(wxPaintEvent &event);
 
    void onSizeEvent(wxSizeEvent &event);
 
    void paintNow();
 
    void render(wxDC &dc);
protected:
    DECLARE_EVENT_TABLE();
private:
    wxImage image;
 
    wxBitmap resizedImage;
 
    int width;
 
    int height;
};
 
inline void ImagePanel::setImage(const cv::Mat &image){
    unsigned char *data = new unsigned char[image.elemSize()*image.cols*image.rows];
    for(unsigned int n = 0; n < image.elemSize()*image.cols*image.rows; n++)
        data[n] = image.data[n];
 
    this->image = wxImage(image.cols, image.rows, data, false);
    width = -1;
    height = -1;
}
 
};  //End namespace TBTK
 
#endif