/******************************************************************************
*
* Copyright (c) 2015 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
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Polygon.cpp
*
*****************************************************************************/
#include <es++/opengl/OpenGLApplication.h>
#include <es++/opengl/OpenGLMainView.h>
#include <es++/opengl/OpenGLView.h>
#include <es++/opengl/OpenGLGC.h>
#include <es++/opengl/OpenGLLight.h>
#include <es++/opengl/OpenGLMaterial.h>
namespace Es {
class MainView :public OpenGLMainView {
private:
//Inner class starts.
class SimpleView: public OpenGLView {
private:
OpenGLGC gc;
public:
SimpleView()
:OpenGLView()
{
}
virtual void display()
{
const GLfloat lightPosition[] = { 5.0 , 0.0 , -8.0 , 1.0 };
const GLfloat lightColor[] = { 0.5 , 1 , 0.5 , 1 };
const GLfloat materialColor[] = { 0.2 , 0.6 , 0.2 , 1};
OpenGLLight light(GL_LIGHT0);
light.position(lightPosition);
light.diffuse(lightColor);
light.enable();
OpenGLMaterial material(GL_FRONT_AND_BACK );
material.diffuse(materialColor);
gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc.begin(GL_POLYGON);
gc.normal(3.0 , 0.0 , -2.0);
gc.vertex(0.0 , -0.9 , -2.0);
gc.vertex(3.0 , -0.9 , -7.0);
gc.vertex(0.0 , 0.9 , -2.0 );
gc.normal(-3.0 , 0.0 , -2.0);
gc.vertex(0.0 , -0.9 , -2.0);
gc.vertex(-3.0, -0.9 , -7.0);
gc.vertex(0.0, 0.9 , -2.0);
gc.end();
}
virtual void resize(int widht, int height)
{
//Write your own resize procedure.
}
virtual void initialize()
{
gc.enable(GL_LIGHTING);
gc.matrixMode(GL_PROJECTION);
gc.loadIdentity();
gc.frustum(1, -1, -1, 1, 2, 10);
}
};
//Inner class ends.
private:
Es::HorizontalLayout horiz_layout;
SimpleView simple_view;
public:
MainView(Es::OpenGLApplication& applet, std::string& name, Es::Args& args)
:OpenGLMainView(applet, name, args)
{
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_opengl_context(context);
show_all_children();
}
void render()
{
simple_view.render();
}
};
}
//
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, 400);
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;
}