SOL9 2.0 Samples

1 Screenshot

2 Source code

/*
 * WICImageViewer.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// 2015/10/01 This is a simple ImageViewer sample program based on WIC and DirectX APIs. 
// 2015/10/10 Modified to use WICBitmapFileReader.

#define COMMONCONTROLS_V6

#include <sol/COMInitializer.h>
#include <sol/StringConverter.h>
#include <sol/FileDialog.h>

#include <sol/wic/WICImagingFactory.h>
#include <sol/wic/WICFormatConverter.h>
#include <sol/wic/WICBitmapDecoder.h>
#include <sol/wic/WICBitmapFrameDecode.h>
#include <sol/wic/WICBitmapFileReader.h>
#include <sol/directx/DirectXView.h>
#include <sol/directx/DirectXMainView.h>

#include <sol/directx/Direct2D1Factory.h>
#include <sol/directx/Direct2D1HwndRenderTarget.h>
#include <sol/directx/Direct2D1Bitmap.h>

#include "resource.h"

namespace SOL {
class MainView :public DirectXMainView {

private:
  //Inner class starts.
  class SimpleView : public DirectXView {
  private:
    SmartPtr<Direct2D1HwndRenderTarget>  renderTarget;
    SmartPtr<Direct2D1Bitmap>       bitmap;
    StringT<wchar_t>       url;    //Url for an image file

  private:
   void resize(int w, int h)
   {
     try {
       auto size = D2D1::SizeU(w, h);
       renderTarget ->resize(size);
     } catch (Exception& ex) {
       ex.display();
     }
   }

    
   void display()
   {
     if (bitmap == NULL) {
       return;
     }
     try {
        if (!(renderTarget -> checkWindowState() & D2D1_WINDOW_STATE_OCCLUDED)){
          renderTarget -> beginDraw();

          renderTarget -> setTransform(D2D1::Matrix3x2F::Identity());
          renderTarget -> clear(D2D1::ColorF(D2D1::ColorF::White));

          auto size = renderTarget->getSize();
          auto rectangle = D2D1::RectF(0.0f, 0.0f, size.width, size.height);
          renderTarget -> drawBitmap(*bitmap, rectangle);
          renderTarget->endDraw();
        }
      } catch (Exception& ex) {
        ex.display();
      }
    }
    
  public:
    SimpleView(MainView* parent, const TCHAR* name, Args& args)
    :DirectXView(parent, name, args)
    {
      try {
        Direct2D1Factory* d2d1Factory = parent -> getD2D1Factory();
        renderTarget   = new Direct2D1HwndRenderTarget(*d2d1Factory, getWindow());
      } catch (Exception& ex) {
        ex.display();
      }
    }

    ~SimpleView()
    {
    }
    
    void loadBitmap(const TCHAR* filename)
    {
      try {
        StringConverter converter;
        wchar_t* url = converter.toWideChar(filename);
        WICImagingFactory* imagingFactory = getImagingFactory();

        WICBitmapFileReader reader(*imagingFactory, url);
        delete[] url;
        //2015/10/10
          Direct2D1Bitmap* tbitmap = reader.read(*renderTarget);
          if (tbitmap) {
            bitmap = tbitmap;
          }
          
        invalidateAll();
      } catch (Exception& ex) {
        ex.display();
      }
    }
    
  };
  // Inner class ends.

private:
  SmartPtr<SimpleView> view;
  FileDialog  fileDialog;
    
public:
  // Constructor
  MainView(Application& applet, const TCHAR* name, Args& args)
  :DirectXMainView(applet, name,
                 args.set(XmNstyle, (ulong)WS_CLIPCHILDREN) )
  {
    try {
      Args ar;
      view = new SimpleView(this, _T(""), ar);
 
      addEventHandler(WM_SIZE, this, 
        (Handler)&MainView::size, NULL);

    } catch (Exception& ex) {
      ex.display();
    }

    Args ar;
    ar.set(XmNfilter, 
      _T("Image File(*.bmp,*.jpg,*.png,*.tif,*.ico,*.gif)\0*.bmp;*.jpg;*.png;*.tif;*.ico;*.gif\0JPEG File*.jpg)\0*.jpg\0PNG File(*.png)\0*.png\0Tiff File(*.tif)\0*.tif\0Icon File(*.ico)\0*.ico;\0GIF File(*.gif)\0*.gif;\0"));

    fileDialog.create(this, _T(""), ar);
    restorePlacement();
  }

public:
  ~MainView()
  {
  }

private:
  void  open(Action& action)
  {
    Args ar;
    
    TCHAR dir[MAX_PATH];
    memset(dir, (TCHAR)0, CountOf(dir));
    //Call getFileFolder method in SOL::ApplicationView.
    //This gets a previously select folder from a registry(profile of this application) for fileDialog
    if (restoreFileFolder(dir, CountOf(dir))) {
      ar.set(XmNdirectory, dir);
      fileDialog.setValues(ar);
    }
  
    if(fileDialog.open()){

      TCHAR* filename = fileDialog.getFileName();

      TCHAR* ftitle = fileDialog.getFileTitle();
      File file;
      if (file.isExistent(filename)) {
        //Call saveFileFolder method in SOL::ApplicationView.
        saveFileFolder(filename);
        view -> loadBitmap(filename);
        TCHAR caption[MAX_PATH];
        _stprintf_s(caption, CountOf(caption), _T("%s - %s"), filename, getAppName());
        setText(caption);
      }
    } 
  }

private:
  long size(Event& event)
  { 
    int w, h;
    event.getSize(w, h);
    if (view.notNull()) {
      view -> reshape(10, 10, w-20, h-20);
    }
    return 0;
  }
};

}


//////////////////////////////////////////////
//
void  Main(int argc, TCHAR** argv)
{
  const TCHAR* appClass = appName(argv[0]);
  try {
    HeapSetInformation(nullptr, HeapEnableTerminationOnCorruption, nullptr, 0);

    COMInitializer initializer( COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
    
    Application applet(appClass, argc, argv);

    Args args; 
    MainView view(applet, appClass, args);
    view.realize();

    applet.run();
  } catch (Exception& ex) {
    ex.display();
  }
}