/******************************************************************************
*
* Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* VideoCaptureView.cpp
*
*****************************************************************************/
//
#include <es++/gtkmm-3.0/Application.h>
#include <es++/gtkmm-3.0/FileOpenDialog.h>
#include <es++/opencv-4.0/OpenCVVideoCaptureView.h>
#include <es++/opencv-4.0/OpenCVScrolledImageView.h>
using namespace Gtk;
namespace Es {
class MainView :public Es::OpenCVVideoCaptureView {
private:
Es::OpenCVScrolledImageView image_view;
int scaling_ratio;
Es::FileOpenDialog file_dialog;
public:
//////////////////////////////////////////////
//Constructor
//
MainView(Es::Application& applet,
std::string& name,
Es::Args& args)
:OpenCVVideoCaptureView(applet, name, args)
,scaling_ratio(100)
,file_dialog(*this, Es::FileOpenDialog::VIDEO_FILES)
{
int w = (int)args.get(XmNwidth);
int h = (int)args.get(XmNheight);
if(args.has(XmNscalingRatio)) {
scaling_ratio = (int)args.get(XmNscalingRatio);
}
Es::MainLayout& main_layout = get_main_layout();
main_layout.set_size_request(w, h);
main_layout.pack_start(image_view);
show_all();
}
void file_open()
{
int rc = file_dialog.popup();
if (rc == Gtk::RESPONSE_OK) {
const std::string& filename = file_dialog.get_filename();
set_filenamed_title(filename);
open_video_device(filename);
}
}
virtual bool render()
{
try {
cv::Mat frame;
if (read_video_frame(frame)) {
image_view.scaleImage(frame, scaling_ratio);
}
} catch (...) {
//Ignore
}
return true;
}
};
}
int main(int argc, char** argv)
{
Es::Environment env;
try {
std::string name = argv[0];
Es::Application applet(argc, argv);
Es::Args args;
args.set(XmNx, 20);
args.set(XmNy, 40);
args.set(XmNwidth, 640);
args.set(XmNheight, 480);
args.set(XmNscalingRatio, 80);
args.set(XmNcaptureAutoStart, false);
Es::MainView mainv(applet, name, args);
mainv.show();
applet.run(mainv);
} catch (Es::Exception& ex) {
caught(ex);
} catch (...) {
printf("Get exception \n");
}
return 0;
}