| Es++ Sample: BufferedColoredRegularIcosahedron |

/******************************************************************************
*
* 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
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*
* BufferedColoredRegularIcosahedron.cpp
*
*****************************************************************************/
//
#include <es++/opengl/OpenGLApplication.h>
#include <es++/opengl/OpenGLMainView.h>
#include <es++/opengl/OpenGLView.h>
#include <es++/opengl/OpenGLGC.h>
#include <es++/opengl/OpenGLColoredRegularIcosahedron.h>
#include <es++/openglarb/OpenGLBufferedShape.h>
#include <es++/gtkmm-3.0/FileOpenDialog.h>
using namespace Gtk;
namespace Es {
class MainView :public Es::OpenGLMainView {
private:
///////////////////////////////////////////////////////
//Inner classes start.
class SimpleView :public Es::OpenGLView {
private:
OpenGLGC gc;
SmartPtr<OpenGLColoredRegularIcosahedron> hedron;
SmartPtr<OpenGLBufferedShape> shape;
public:
SimpleView()
:OpenGLView()
{
}
virtual void display()
{
if (shape) {
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(0.8, 0.8, 0.8, 1.0);
try {
//Draw the first shape1.
gc.pushMatrix();
gc.translate(0.0f,0.0f,1.0f);
gc.lookAt(4.0, 12.0, 15.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
shape->draw(&gc);
gc.popMatrix();
} catch (Exception& ex) {
caught(ex);
}
}
}
virtual void resize(int w, int h)
{
if (w == 0 || h == 0) {
return;
}
gc.matrixMode(GL_PROJECTION);
gc.loadIdentity();
gc.perspective(16.0, (double)w / (double)h, 0.5, 40.0);
gc.matrixMode(GL_MODELVIEW);
}
virtual void initialize()
{
gc.enable( GL_DEPTH_TEST);
try {
Color3<GLfloat> vertexColors[] = {
{ 1.0f, 0.0f, 0.0f},
{ 0.0f, 1.0f, 0.0f},
{ 0.0f, 0.0f, 1.0f},
{ 1.0f, 1.0f, 0.0f},
{ 0.0f, 1.0f, 1.0f},
{ 1.0f, 0.0f, 1.0f},
{ 1.0f, 0.0f, 0.0f},
{ 0.0f, 1.0f, 0.0f},
{ 0.0f, 0.0f, 1.0f},
{ 1.0f, 1.0f, 0.0f},
{ 0.0f, 1.0f, 1.0f},
{ 1.0f, 0.0f, 1.0f},
};
hedron = new OpenGLColoredRegularIcosahedron(vertexColors, SizeOf(vertexColors));
shape = new OpenGLBufferedShape(hedron);
} catch (Exception& ex) {
caught(ex);
}
}
};
// Inner classes end.
///////////////////////////////////////////////////////
Es::HorizontalLayout horiz_layout;
Es::VerticalLayout control_pane;
SimpleView simple_view;
Es::FileOpenDialog file_dialog;
public:
//////////////////////////////////////////////
//Constructor
//
MainView(Es::OpenGLApplication& applet, std::string& name, Es::Args& args)
:OpenGLMainView(applet, name, args)
,file_dialog(*this, Es::FileOpenDialog::IMAGE_FILES)
{
int w = (int)args.get(XmNwidth);
int h = (int)args.get(XmNheight);
Es::MainLayout& main_layout = get_main_layout();
main_layout.pack_start(horiz_layout);
horiz_layout.pack_start(simple_view);
OpenGLContext* context = applet.getOpenGLContext();
simple_view.set_opacity (0.5);
simple_view.set_opengl_context(context);
simple_view.set_size_request(400, 400);
show_all_children();
}
void render()
{
simple_view.render();
}
void file_open()
{
int rc = file_dialog.popup();
if (rc == Gtk::RESPONSE_OK) {
const std::string filename = file_dialog.get_filename();
}
}
};
}
int main(int argc, char** argv)
{
Es::Environment env;
try {
std::string name = argv[0];
Es::OpenGLApplication applet(argc, argv);
Es::Args args;
args.set(XmNx, 20);
args.set(XmNy, 40);
args.set(XmNwidth, 500);
args.set(XmNheight,400);
Es::MainView mainv(applet, name, args);
mainv.show();
applet.run(mainv);
} catch (Es::Exception& ex) {
caught(ex);
} catch (...) {
printf("Get exception \n");
}
return 0;
}