Zadanie3.cpp

#include <GL\glut.h>
#include <iostream>
#include <SOIL.h>

GLUquadricObj* obj;

GLuint texture;

enum{
	SWITCH_TO_NEAREST,
	SWITCH_TO_LINEAR
};

void Init()
{
	glClearColor(0.7f, 0.2f, 0.3f, 1.0f);
	glEnable(GL_TEXTURE_2D);

	obj = gluNewQuadric();
	gluQuadricDrawStyle(obj, GLU_FILL);
	gluQuadricNormals(obj, GLU_SMOOTH);
	gluQuadricTexture(obj, GL_TRUE);


	int width, height, channels;
	const char* str = "C:\\Users\\ntlone\\Desktop\\123.jpg";
	unsigned char* data = SOIL_load_image(str, &width, &height, &channels, SOIL_LOAD_AUTO);

	if (data == nullptr)
	{
		std::cout << "Nie udalo sie zaladowac tekstury." << std::endl;
		exit(0);
	}

	glGenTextures(1, &texture);
	glBindTexture(GL_TEXTURE_2D, texture);
	gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGB, width, height, GL_RGB, GL_UNSIGNED_BYTE, data);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}

void Display()
{
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	glBindTexture(GL_TEXTURE_2D, texture);

	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();
	glRotatef(90, 1.0f, 0.0f, 0.0f);


	gluSphere(obj, 1.0f, 100, 100);


	glutSwapBuffers();
}

void Menu(int value)
{

	glutPostRedisplay();
}

int main(int argc, char** argv)
{
	glutInit(&argc, argv);
	glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
	glutCreateWindow("Zadanie 3");

	Init();

	glutCreateMenu(Menu);
	glutAddMenuEntry("GL_LINEAR", SWITCH_TO_LINEAR);
	glutAddMenuEntry("GL_NEAREST", SWITCH_TO_NEAREST);
	glutAttachMenu(GLUT_RIGHT_BUTTON);

	glutDisplayFunc(Display);

	glutMainLoop();

	return 0;
}