SOL9 2.0 Samples

1 Screenshot

2 Source code

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


//2017/08/30

// We have used 'world.topo.bathy.200412.3x5400x2700.jpg' file in the following page.
//
//http://visibleearth.nasa.gov/view.php?id=73909
//
//December, Blue Marble Next Generation w/ Topography and Bathymetry
//Credit: Reto St?ckli, NASA Earth Observatory


#include <sol/ModuleFileName.h>
#include <sol/opengl/OpenGLMainView.h>
#include <sol/opengl/OpenGLView.h>
#include <sol/opengl/OpenGLGC.h>
#include <sol/opengl/OpenGLLight.h>
#include <sol/opengl/OpenGLMaterial.h>
#include <sol/opengl/OpenGLTexturedSphere.h>
#include <sol/opengl/OpenGLImageInfo.h>
#include <sol/opencv/OpenCVImageInfo.h>
#include <sol/opencv/OpenCVImageFileReader.h>

namespace SOL {

class MainView :public OpenGLMainView {

private:
  //Inner class starts
  class SimpleView: public OpenGLView {
  private:
    SmartPtr<OpenGLGC>          gc;
    SmartPtr<OpenGLTexturedSphere> texture;
    float                       angle;
    Vertex3                     axis;
    
  public:
    virtual void display()
    {
      if (gc == NULL) {
        return;
      }
      
      if (texture) {
        gc->matrixMode(GL_PROJECTION);
        gc->loadIdentity();
        gc->perspective(16.0, (double)width() / (double)height(), 0.5, 100.0);
        gc->matrixMode(GL_MODELVIEW);

        gc->clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        gc->loadIdentity();

        gc->clearColor(0.1, 0.1, 0.2, 1.0);
        gc->enable(GL_CULL_FACE); 
        gc->enable(GL_LIGHTING);

        gc->enable(GL_DEPTH_TEST);
        gc->color(1.0f, 1.0f, 1.0f);
        gc->lookAt(0.0, 18.0, 4.0, 0.0, 0.0, 0.0, 0.0, 100.0, 0.0);

        gc->translate(0.0f, 0.0f, 0.0f);

        gc->rotate(angle, axis.x, axis.y, axis.z);

        OpenGLLight light(GL_LIGHT0);
        GLfloat lightPosition[] = {10, 20, 0, 1.0}; 
        light.position(lightPosition);
    
        GLfloat white[] = {1.0f, 1.0f, 1.0f, 1.0f};
        GLfloat blue[]  = {0.0f, 0.0f, 1.0f, 1.0f};
        GLfloat shininess[] = {100.0};
        OpenGLMaterial material(GL_FRONT);
        material.diffuse(blue);
        material.specular(white);
        material.shininess(shininess);
            
        texture -> draw(gc);
      }
    }
  
    virtual void resize(int w, int h)
    {
      if (w == 0 || h == 0) {
        return;
      }
      if (gc) {
        gc->matrixMode(GL_PROJECTION);
        gc->loadIdentity();
        gc->perspective(16.0, (double)w/(double)h, 0.5, 100.0);

        gc->matrixMode(GL_MODELVIEW);
      }
    }

    cv::Mat convert(cv::Mat& originalImage)
    {
      cv::Mat convertedImage;
      int alpha = 2;
      int beta  = 10; 
      originalImage.convertTo( convertedImage, -1, (double)alpha, (double)beta );
      return convertedImage; 
    }

    virtual void initialize()
    {
      axis.x = 20.0f;
      axis.y = -30.0f;
      axis.z = 40.0f;
      gc = new OpenGLGC();
      
      gc->enable(GL_DEPTH_TEST);
      gc-> enable(GL_TEXTURE_2D);
      try {
        const char* imageFileName = "..\\..\\images\\world.topo.bathy.200412.3x860x430.jpg";

        ModuleFileName module;
        char fullpath[MAX_PATH];
        sprintf_s(fullpath, CountOf(fullpath), "%s/%s", module.getDir(), imageFileName);
        OpenCVImageFileReader reader;
        cv::Mat mat = reader.load(fullpath);
        
        cv::Mat flipped;
        cv::flip(mat, flipped, 1);
        //2017/09/15 Use flipped image.
        cv::Mat convertedImage = convert(flipped);
        OpenGLImageInfo imageInfo;
        OpenCVImageInfo cvImageInfo;
        cvImageInfo.getImageInfo(convertedImage, imageInfo);        
        
        texture = new OpenGLTexturedSphere(imageInfo, 2.5f, 40, 40);
        
      } catch (SOL::Exception& ex) {
        caught(ex);
      }
      
    }
    
    
    virtual void keyDown(Event& event)
    {
      WPARAM vkey = event.getWParam();
      switch (vkey) {
      case VK_LEFT:
        angle -= 2.0;
        postRenderRequest();
        break;
      case VK_RIGHT:
        angle += 2.0;
        postRenderRequest();
        break;
      default:
        break;
      }
    }
    
  public:
    SimpleView(OpenGLMainView* parent, const char* name, Args& args)
    :OpenGLView(parent, name, args),
    angle(120.0f)
    {
    } 

    ~SimpleView()
    {
    }
  };
  //Inner class ends.
  
private:
  SmartPtr<SimpleView>  view;

  void resize(int w, int h)
  {
    if (view) {
      view -> reshape(0, 0, w, h);
      view -> postResizeRequest(w, h);
    }
  }

  virtual long keyDown(Event& event)
  {
    if (view) {
      view -> keyDown(event);
    }
    return 0;
  }
  
public:
  MainView(Application& applet, const char* name, Args& args)
  :OpenGLMainView(applet, name, args)
  {
    Args ar;
    view = new SimpleView(this, "", ar);
   
    addEventHandler(WM_KEYDOWN, this,
              (Handler)&MainView::keyDown, NULL);
  }

  ~MainView()
  {
  }
};
}

//
void Main(int argc, char** argv) 
{
  try {
    const char*  name = appName(argv[0]);
    Application applet(name, argc, argv);

    Args args;
    args.set(XmNwidth,  400);
    args.set(XmNheight, 400);

    MainView view(applet, name, args);
    view.realize();

    applet.run();
    
  } catch (SOL::Exception& ex) {
    caught(ex);
  }
}