SOL9 Sample: ScrolledImageViewer
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1 Screenshot
2 Source code
/*
* ScrolledImageViewer.cpp
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*/
#define _CONSOLE_
#include <sol/ModuleFileName.h>
#include <sol/DropFiles.h>
#include <sol/FileDialog.h>
#include <sol/opencv/OpenCVApplicationView.h>
#include <sol/opencv/OpenCVScrolledImageView.h>
#include <sol/opencv/OpenCVMat.h>
namespace SOL {
class MainView :public OpenCVApplicationView {
private:
////////////////////////////////////////////////////////////////////////////////////////
//Inner class startss
class SimpleView :public OpenCVScrolledImageView {
public:
SimpleView(View* parent, const TCHAR* name, Args& args)
:OpenCVScrolledImageView(parent, name, args)
{
//1 Let this view accept WM_DROPFILES message.
dragAcceptFiles(TRUE);
//2 DropFiles event hanlder.
//When this view gets WM_DROPFILES event, then dropFiles method in parent will be called
addEventHandler(WM_DROPFILES, parent,
(Handler)&MainView::dropFiles, NULL);
try {
loadImage("..\\images\\flower.png");
} catch (SOL::Exception ex) {
caught(ex);
}
}
~SimpleView()
{
}
};
//Inner class ends.
////////////////////////////////////////////////////////////////////////////////////////
SmartPtr<SimpleView> view;
FileDialog filedlg;
void resize(int w, int h)
{
if (view) {
view -> reshape(0, 0, w, h);
// view -> postResizeRequest(w, h);
}
}
void openFile(const char* filename)
{
try {
view -> loadImage(filename);
char title[MAX_PATH];
sprintf_s(title, CountOf(title), "%s - %s", filename, getAppName());
setText(title);
} catch (Exception& ex) {
caught(ex);
}
}
long dropFiles(Event& event)
{
char fileName[MAX_PATH] = { 0 };
DropFiles drop((HDROP)event.getWParam());
//fileName[0] = ZERO;
int num = drop.queryFile(0, fileName, CountOf(fileName));
if(num > 0) {
if (filedlg.isImageFileName(fileName)) {
openFile(fileName);
bringUp();
} else {
bringUp(); //Activate and raise this view
showErrorDialog("Invalid image filename", fileName, MB_OK);
}
}
return 0;
}
void confirm(Action& action)
{
int rc = MessageBox(NULL, "Are you sure to close this window?", "Confirmation",
MB_OKCANCEL|MB_ICONEXCLAMATION);
if (rc == IDOK) {
savePlacement();
exit(action);
}
}
public:
MainView(OpenCVApplication& applet, const char* name, Args& args)
:OpenCVApplicationView(applet, name, args)
{
try {
Args ar;
view = new SimpleView(this, "sview", ar);
ar.reset();
ar.set(XmNfilter, FileDialog::getImageFilesFilter());
filedlg.create(this, "OpenFile", ar);
} catch (Exception& ex) {
caught(ex);
}
addCallback(XmNmenuCallback, IDM_EXIT, this,
(Callback)&MainView::confirm, NULL);
restorePlacement();
}
~MainView()
{
}
void open(Action& action)
{
Args ar;
char dir[MAX_PATH];
memset(dir, (TCHAR)0, CountOf(dir));
//Restore previously select folder from a registry(profile of this application) for fileDialog
if (restoreFileFolder(dir, CountOf(dir))) {
ar.set(XmNdirectory, dir);
filedlg.setValues(ar);
}
try {
if(filedlg.open()) {
const char* filename = filedlg.getFileName();
saveFileFolder(filename);
openFile(filename);
}
} catch (Exception& ex) {
caught(ex);
}
}
};
}
//
void main(int argc, char** argv)
{
try {
ModuleFileName module(argv[0]);
const char* name = module.getAppName();
OpenCVApplication applet(name, argc, argv);
Args args;
args.set(XmNwidth, 500);
args.set(XmNheight, 300);
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.