OZ++ Sample: BlurredMaterializedSpheres |
/******************************************************************************
*
* Copyright (c) 2019 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.
*
*
* BlurredMaterializedSpheres.cpp
*
*****************************************************************************/
//2019/01/03
#include <opencv2/stitching.hpp>
#define String _XtString
#include <oz++/StringT.h>
#include <oz++/motif/RowColumn.h>
#include <oz++/motif/PushButton.h>
#include <oz++/opengl/OpenGLApplication.h>
#include <oz++/opengl/OpenGLMainView.h>
#include <oz++/opengl/OpenGLView.h>
#include <oz++/opengl/OpenGLGC.h>
#include <oz++/opengl/OpenGLTexture2D.h>
#include <oz++/opengl/OpenGLBulletinBoard.h>
#include <oz++/opengl/OpenGLLight.h>
#include <oz++/opengl/OpenGLMaterial.h>
#include <oz++/opengl/OpenGLSolidSphere.h>
#include <oz++/opengl/OpenGLWireSphere.h>
#undef String
#include <oz++/opencv/OpenCVImageInfo.h>
#include <oz++/opencv/OpenCVImageView.h>
#include <oz++/opencv/OpenCVImageFileReader.h>
namespace OZ {
class MainView :public OpenGLMainView {
public:
private:
//Inner OpenGLView class starts.
class SimpleGLView: public OpenGLView {
private:
static const int SPHERES=4;
OpenGLGC gc;
SmartPtr<OpenGLGeometry> sphere[SPHERES];
float angle;
public:
virtual void display()
{
if (sphere[0]) {
setPerspective();
gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc.lookAt(4.0, 8.0, 12.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
gc.clearColor(0.0, 0.0, 0.0, 1.0);
gc.enable(GL_CULL_FACE);
gc.enable(GL_LIGHTING);
OpenGLLight light(GL_LIGHT0);
GLfloat lightPosition[] = {10, 10, 10, 1.0};
light.position(lightPosition);
for (int i = 0; i<SPHERES; i++) {
gc.pushMatrix();
gc.rotate(angle, 0.0f, 1.0f, 0.0f);
sphere[i]->draw(&gc, -2.0f+1.3f*i, 0.5f, 0.0f+ 0.3f*i);
gc.popMatrix();
}
}
}
cv::Mat capture()
{
Dimension w = width();
Dimension h = height();
/*
get(XmNwidth, (XtArgVal)&w);
get(XmNheight, (XtArgVal)&h);
*/
w = (w/8)*8;
glReadBuffer(GL_FRONT);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
unsigned char* pixels = new unsigned char[3 * w * h];
glReadPixels(0, 0, w, h, GL_BGR, GL_UNSIGNED_BYTE, pixels);
return cv::Mat(h, w, CV_8UC3, pixels);
}
virtual void resize(int w, int h)
{
if (w == 0 || h == 0) {
return;
}
setPerspective();
}
virtual void initialize()
{
Color4 black = { 0.0, 0.0, 0.0, 1.0 };
Color4 ambient = { 0.5, 0.5, 0.5, 1.0 };
Color4 diffuse = { 0.2, 0.4, 0.8, 1.0 };
Color4 specular = { 1.0, 1.0, 1.0, 1.0 };
Color4 emission = { 0.8, 0.0, 0.0, 0.0 };
GLfloat lowShining = { 10.0 };
GLfloat highShining = {100.0 };
OpenGLMateria mat1(GL_FRONT, ambient, diffuse, specular, emission, lowShining);
OpenGLMateria mat2(GL_FRONT, black, diffuse, specular, emission, lowShining);
OpenGLMateria mat3(GL_FRONT, black, diffuse, black, emission, highShining);
OpenGLMateria mat4(GL_FRONT, ambient, diffuse, specular, black, highShining);
OpenGLMateria materias[] = {mat1, mat2, mat3, mat4};
for (int i = 0; i<SPHERES; i++) {
if (i%2 ==0) {
sphere[i] = new OpenGLWireSphere(materias[i], 0.5f, 40, 40);
} else {
sphere[i] = new OpenGLSolidSphere(materias[i], 0.5f, 40, 40);
}
}
}
public:
SimpleGLView(OpenGLBulletinBoard* parent, const char* name, Args& args)
:OpenGLView(parent, name, args),
angle(100.0f)
{
}
};
//Inner OpenCVImageView class start
class SimpleCVView: public OpenCVImageView {
private:
cv::Mat originalImage;
cv::Mat blurredImage;
cv::Mat scaledImage;
public:
virtual void display()
{
show(scaledImage);
}
public:
SimpleCVView(OpenGLBulletinBoard* parent, const char* name, Args& args)
:OpenCVImageView(parent, name, args)
{
}
void blur(cv::Mat& originalImage)
{
int ksize = 13;
int sigma = 10;
ksize = (ksize/2)*2 + 1;
blurredImage = cv::Mat::zeros(originalImage.size(),
originalImage.type() );
//Blur operation is applied to the original image.
cv::GaussianBlur(originalImage, blurredImage, cv::Size(ksize, ksize),
(double)sigma, //sigmaX,
(double)sigma); //sigmaY
}
void setImage(cv::Mat mat, bool flip=false)
{
try {
cv::Mat flipped = mat;
if (flip) {;
cv::flip(mat, flipped, 0);
originalImage = flipped;
}
originalImage = flipped;
blur(originalImage);
scaleImage(blurredImage, scaledImage, 80);
invalidate();
refresh();
} catch (OZ::Exception& ex) {
caught(ex);
}
}
};
//Inner class ends.
private:
SmartPtr<OpenGLBulletinBoard> bboard;
SmartPtr<RowColumn> controlPane;
SmartPtr<SimpleGLView> glView;
SmartPtr<SimpleCVView> cvView;
SmartPtr<PushButton> captureButton;
void resize(Dimension w, Dimension h)
{
int CP_WIDTH = 100;
int ww = (w - CP_WIDTH)/2;
if (glView && cvView && controlPane) {
glView -> reshape(0, 0, ww-1, h);
cvView -> reshape(ww+1, 0, ww-2, h);
controlPane -> reshape(w-CP_WIDTH, 0,CP_WIDTH-2, h);
}
}
void captureImage(Action& action)
{
cv::Mat image = glView->capture();
cvView->setImage(image, true);
}
public:
MainView(OpenGLApplication& applet, const char* name, Args& args)
:OpenGLMainView(applet, name,
args.set(XmNopenGLBufferType, OpenGL_DOUBLE_BUFFER))
{
Args ar;
bboard = new OpenGLBulletinBoard(this, "", ar);
ar.reset();
ar.set(XmNopenGLBufferType, (XtArgVal)getBufferType());
glView = new SimpleGLView(bboard, "", ar);
ar.reset();
cvView = new SimpleCVView(bboard, "", ar);
ar.reset();
controlPane = new RowColumn(bboard, "", ar);
ar.reset();
captureButton = new PushButton(controlPane, "Capture", ar);
captureButton->addCallback(XmNactivateCallback, this,
(Callback)&MainView::captureImage, NULL);
sendConfigureEvent();
}
~MainView()
{
}
};
}
//
int main(int argc, char** argv)
{
try {
glutInit(&argc, argv);
const char* appclass = argv[0];
OpenGLApplication applet(appclass, argc, argv);
Args args;
args.set(XmNwidth, 900);
args.set(XmNheight, 400);
MainView view(applet, argv[0], args);
view.realize();
applet.run();
} catch (OZ::Exception& ex) {
caught(ex);
}
return 0;
}