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2 Source code
/*
* TextDrawing.cpp
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*/
//2017/03/30
#define _CONSOLE_
#include <sol/ModuleFileName.h>
#include <sol/opencv/OpenCVApplicationView.h>
#include <sol/opencv/OpenCVNamedWindow.h>
#include <sol/PushButton.h>
#include <sol/opencv/OpenCVInnerView.h>
namespace SOL {
class MainView :public OpenCVApplicationView {
private:
//Inner class starts.
class SimpleView :public OpenCVNamedWindow {
private:
cv::Mat image;
void display()
{
show(image);
}
void drawText(cv::Mat image, const char* string)
{
std::string text = string;
int fontFace = CV_FONT_HERSHEY_COMPLEX ;//FONT_HERSHEY_SCRIPT_SIMPLEX;
double fontScale = 2;
int thickness = 2;
int baseline = 0;
cv::Size textSize = getTextSize(text, fontFace,
fontScale, thickness, &baseline);
baseline += thickness;
cv::Point textOrg((image.cols - textSize.width)/2,
(image.rows + textSize.height)/2);
putText(image, text, textOrg, fontFace, fontScale,
Scalar::all(255), thickness, 8);
}
public:
SimpleView(View* parent, const TCHAR* name, Args& args)
:OpenCVNamedWindow(parent, name, args)
{
try {
const char* filename = (const char*)args.get(XmNimageFileName);
int imageLoadingFlag = args.get(XmNimageLoadingFlag);
image = readImage(filename, imageLoadingFlag);
drawText(image, "Hello world.");
} catch (SOL::Exception ex) {
caught(ex);
}
}
~SimpleView()
{
}
};
//Inner class ends.
SmartPtr<SimpleView> view;
SmartPtr<PushButton> quit;
void resize(int w, int h)
{
if (view && quit) {
view -> reshape(0, 0, w-100, h);
quit -> reshape(w-100 + 10, 10, 80, 30);
}
}
void confirm(Action& action)
{
int rc = MessageBox(NULL, "Are you sure to close this window?", "Confirmation",
MB_OKCANCEL|MB_ICONEXCLAMATION);
if (rc == IDOK) {
exit(action);
}
}
public:
MainView(OpenCVApplication& applet, const TCHAR* name, Args& args)
:OpenCVApplicationView(applet, name, args)
{
try {
Args ar;
ar.set(XmNimageFileName, "..\\images\\earth.png");
ar.set(XmNimageLoadingFlag, CV_LOAD_IMAGE_COLOR);
view = new SimpleView(this, "cvwindow", ar);
ar.reset();
quit = new PushButton(this, "Quit", ar);
quit -> addCallback(XmNactivateCallback, this,
(Callback)&MainView::confirm, NULL);
addCallback(XmNmenuCallback, IDM_EXIT, this,
(Callback)&MainView::confirm, NULL);
} catch (Exception& ex) {
caught(ex);
}
}
~MainView()
{
}
};
}
//
void main(int argc, TCHAR** argv)
{
try {
ModuleFileName module(argv[0]);
const char* name = module.getAppName();
OpenCVApplication applet(name, argc, argv);
Args args;
args.set(XmNwidth, 640);
args.set(XmNheight, 560);
MainView view(applet, name, args);
view.realize();
applet.run();
} catch (SOL::Exception& ex) {
caught(ex);
}
}
Last modified: 2 Dec. 2017
Copyright (c) 2017 Antillia.com ALL RIGHTS RESERVED.