| Es++ Sample: ImageFlipping |

/******************************************************************************
*
* 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.
*
*
* OpenCVMultipleScrolledImageView.cpp
*
*****************************************************************************/
//
#include <es++/gtkmm-3.0/Application.h>
#include <es++/gtkmm-3.0/Label.h>
#include <es++/opencv-4.0/OpenCVMainView.h>
#include <es++/opencv-4.0/OpenCVScrolledImageView.h>
using namespace Gtk;
namespace Es {
class MainView :public Es::OpenCVMainView {
private:
//////////////////////////////////////////////////////
//Inner class starts.
class FlippedImageView :public Es::OpenCVScrolledImageView {
private:
cv::Mat flipped;
public:
FlippedImageView()
{
}
void loadImage(const std::string& filename, int loading_flag)
{
OpenCVScrolledImageView::loadImage(filename, loading_flag);
cv::Mat& original_image = getOriginalImage();
}
void flip(int flip_mode, int scaling_ratio)
{
cv::Mat& original_image = getOriginalImage();
cv::flip(original_image, flipped, flip_mode);
scaleImage(flipped, scaling_ratio);
}
};
//Inner class ends.
//////////////////////////////////////////////////////
private:
Es::Label filepath;
Es::HorizontalLayout horiz_layout;
static int const VIEW_COUNT = 3;
FlippedImageView image_view[VIEW_COUNT];
static const int FILEPATH_HEIGHT = 30;
int scale;
std::string filename;
static const int loadingFlag = IMREAD_COLOR;
public:
//////////////////////////////////////////////
//Constructor
//
MainView(Es::Application& applet,
std::string& title,
Es::Args& args)
:OpenCVMainView(applet, title, args)
,scale(100)
{
int w = (int)args.get(XmNwidth);
int h = (int)args.get(XmNheight);
int ww = w /3;
Es::MainLayout& main_layout = get_main_layout();
filepath.set_size_request(w, FILEPATH_HEIGHT);
filepath.set_alignment(Gtk::ALIGN_START);
main_layout.pack_start(filepath, FALSE,FALSE, 0);
main_layout.pack_start(horiz_layout, FALSE, FALSE, 0);
filename = "../../images/cat.jpg";
int flip = -1;
for (size_t i = 0; i<VIEW_COUNT; i++) {
image_view[i].set_size_request(ww, h);
image_view[i].loadImage(filename, loadingFlag);
image_view[i].flip(flip++, scale);
horiz_layout.pack_start(image_view[i]);
}
update_filepath();
show_all();
}
bool on_configure_event(GdkEventConfigure* configure_event)
{
Window::on_configure_event(configure_event);
//Do nothing here.
return true;
}
void update_filepath()
{
filepath.set_label(filename);
}
};
}
int main(int argc, char** argv)
{
Es::Environment env;
try {
Es::Application applet(argc, argv);
std::string title(argv[0]);
Es::Args args;
args.set(XmNx, 20);
args.set(XmNy, 20);
args.set(XmNwidth, 900);
args.set(XmNheight,400);
Es::MainView mainv(applet, title, args);
mainv.show();
applet.run(mainv);
} catch (Es::Exception& ex) {
caught(ex);
} catch (...) {
printf("Get exception \n");
}
return 0;
}