OZ++ Sample: SharpenedImageTexturedCylinder |
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* TexturedCyinderRotationByKeyInput.cpp
*
*****************************************************************************/
//2017/08/30
//2019/01/03
#include <opencv2/stitching.hpp>
#include <oz++/ModuleFileName.h>
#include <oz++/opengl/OpenGLMainView.h>
#include <oz++/opengl/OpenGLView.h>
#include <oz++/opengl/OpenGLGC.h>
#include <oz++/opengl/OpenGLLight.h>
#include <oz++/opengl/OpenGLMaterial.h>
#include <oz++/opengl/OpenGLTexturedCylinder.h>
#include <oz++/opengl/OpenGLImageInfo.h>
#include <oz++/opencv/OpenCVImageInfo.h>
#include <oz++/opencv/OpenCVImageFileReader.h>
namespace OZ {
class MainView :public OpenGLMainView {
private:
//Inner class starts
class SimpleView: public OpenGLView {
private:
OpenGLGC gc;
SmartPtr<OpenGLTexturedCylinder> texture;
float angle;
Vertex3 axis;
public:
virtual void display()
{
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(6.0, 16.0, 6.0, 0.0, 0.0, 0.0, 0.0, 100.0, 0.0);
//gc->scale(1.0, 1.0, 1.0);
gc.translate(0.0f, 0.0f, 0.0f);
// gc -> rotate(angle, 0.0, 1.0, 0.0);
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);
gc.translate(0.5f, -1.5f, -0.5f);
texture -> draw(&gc);
}
}
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, 100.0);
gc. matrixMode(GL_MODELVIEW);
gc.loadIdentity() ;
}
cv::Mat sharpen(cv::Mat& originalImage)
{
int ksize = 13;
int sigma = 10;
ksize = (ksize/2)*2 + 1;
cv::Mat sharpenedImage = cv::Mat::zeros(originalImage.size(),
originalImage.type() );
cv::GaussianBlur(originalImage, sharpenedImage, cv::Size(ksize, ksize),
(double)sigma, //sigmaX,
(double)sigma, //sigmaY
BORDER_DEFAULT);
double alpha = 2.5;
double beta = 1.0 - alpha;
cv::addWeighted(originalImage, alpha, sharpenedImage, beta, 0.0,
sharpenedImage);
return sharpenedImage;
}
virtual void initialize()
{
axis.x = 60.0f;
axis.y = 10.0f;
axis.z = 60.0f;
gc. enable(GL_DEPTH_TEST);
gc. enable(GL_TEXTURE_2D);
try {
const char* imageFileName ="../../images/TokyoTower.png";
ModuleFileName module;
char fullpath[PATH_MAX];
sprintf(fullpath, "%s/%s", module.getPath(), imageFileName);
OpenCVImageFileReader reader;
cv::Mat mat = reader.load(fullpath);
//Sharpen the mat image
cv::Mat sharpenedImage = sharpen(mat);
OpenGLImageInfo imageInfo;
OpenCVImageInfo cvImageInfo;
cvImageInfo.getImageInfo(sharpenedImage, imageInfo);
texture = new OpenGLTexturedCylinder(imageInfo, 1.0, 2.0, 6.0, 40, 40);
} catch (OZ::Exception& ex) {
caught(ex);
}
}
virtual void keyPress(Event& event)
{
KeySym k = event.getKeySym();
if (k == XK_Left) {
angle -= 1.0f;
sendExposeEvent();
}
if (k == XK_Right) {
angle += 1.0f;
sendExposeEvent();
}
}
public:
SimpleView(OpenGLMainView* parent, const char* name, Args& args)
:OpenGLView(parent, name, args),
angle(200.0f)
{
}
~SimpleView()
{
}
};
//Inner class ends.
private:
SmartPtr<SimpleView> view;
public:
MainView(OpenGLApplication& applet, const char* name, Args& args)
:OpenGLMainView(applet, name, args)
{
Args ar;
view = new SimpleView(this, "", ar);
}
~MainView()
{
}
};
}
//
int main(int argc, char** argv)
{
try {
const char* name = argv[0];
OpenGLApplication applet(name, argc, argv);
Args args;
args.set(XmNwidth, 400);
args.set(XmNheight, 400);
MainView view(applet, name, args);
view.realize();
applet.run();
} catch (OZ::Exception& ex) {
caught(ex);
}
return 0;
}